LCOV - differential code coverage report
Current view: top level - pageserver/src - config.rs (source / functions) Coverage Total Hit UBC GIC CBC ECB
Current: f6946e90941b557c917ac98cd5a7e9506d180f3e.info Lines: 94.0 % 951 894 57 894
Current Date: 2023-10-19 02:04:12 Functions: 80.0 % 120 96 24 3 93 3
Baseline: c8637f37369098875162f194f92736355783b050.info
Baseline Date: 2023-10-18 20:25:20

           TLA  Line data    Source code
       1                 : //! Functions for handling page server configuration options
       2                 : //!
       3                 : //! Configuration options can be set in the pageserver.toml configuration
       4                 : //! file, or on the command line.
       5                 : //! See also `settings.md` for better description on every parameter.
       6                 : 
       7                 : use anyhow::{anyhow, bail, ensure, Context, Result};
       8                 : use remote_storage::{RemotePath, RemoteStorageConfig};
       9                 : use serde::de::IntoDeserializer;
      10                 : use std::env;
      11                 : use storage_broker::Uri;
      12                 : use utils::crashsafe::path_with_suffix_extension;
      13                 : use utils::id::ConnectionId;
      14                 : use utils::logging::SecretString;
      15                 : 
      16                 : use once_cell::sync::OnceCell;
      17                 : use reqwest::Url;
      18                 : use std::num::NonZeroUsize;
      19                 : use std::str::FromStr;
      20                 : use std::sync::Arc;
      21                 : use std::time::Duration;
      22                 : use toml_edit;
      23                 : use toml_edit::{Document, Item};
      24                 : 
      25                 : use camino::{Utf8Path, Utf8PathBuf};
      26                 : use postgres_backend::AuthType;
      27                 : use utils::{
      28                 :     id::{NodeId, TenantId, TimelineId},
      29                 :     logging::LogFormat,
      30                 : };
      31                 : 
      32                 : use crate::disk_usage_eviction_task::DiskUsageEvictionTaskConfig;
      33                 : use crate::tenant::config::TenantConf;
      34                 : use crate::tenant::config::TenantConfOpt;
      35                 : use crate::tenant::{
      36                 :     TENANTS_SEGMENT_NAME, TENANT_ATTACHING_MARKER_FILENAME, TENANT_DELETED_MARKER_FILE_NAME,
      37                 :     TIMELINES_SEGMENT_NAME,
      38                 : };
      39                 : use crate::{
      40                 :     IGNORED_TENANT_FILE_NAME, METADATA_FILE_NAME, TENANT_CONFIG_NAME, TENANT_LOCATION_CONFIG_NAME,
      41                 :     TIMELINE_DELETE_MARK_SUFFIX, TIMELINE_UNINIT_MARK_SUFFIX,
      42                 : };
      43                 : 
      44                 : pub mod defaults {
      45                 :     use crate::tenant::config::defaults::*;
      46                 :     use const_format::formatcp;
      47                 : 
      48                 :     pub use pageserver_api::{
      49                 :         DEFAULT_HTTP_LISTEN_ADDR, DEFAULT_HTTP_LISTEN_PORT, DEFAULT_PG_LISTEN_ADDR,
      50                 :         DEFAULT_PG_LISTEN_PORT,
      51                 :     };
      52                 :     pub use storage_broker::DEFAULT_ENDPOINT as BROKER_DEFAULT_ENDPOINT;
      53                 : 
      54                 :     pub const DEFAULT_WAIT_LSN_TIMEOUT: &str = "60 s";
      55                 :     pub const DEFAULT_WAL_REDO_TIMEOUT: &str = "60 s";
      56                 : 
      57                 :     pub const DEFAULT_SUPERUSER: &str = "cloud_admin";
      58                 : 
      59                 :     pub const DEFAULT_PAGE_CACHE_SIZE: usize = 8192;
      60                 :     pub const DEFAULT_MAX_FILE_DESCRIPTORS: usize = 100;
      61                 : 
      62                 :     pub const DEFAULT_LOG_FORMAT: &str = "plain";
      63                 : 
      64                 :     pub const DEFAULT_CONCURRENT_TENANT_SIZE_LOGICAL_SIZE_QUERIES: usize =
      65                 :         super::ConfigurableSemaphore::DEFAULT_INITIAL.get();
      66                 : 
      67                 :     pub const DEFAULT_METRIC_COLLECTION_INTERVAL: &str = "10 min";
      68                 :     pub const DEFAULT_CACHED_METRIC_COLLECTION_INTERVAL: &str = "0s";
      69                 :     pub const DEFAULT_METRIC_COLLECTION_ENDPOINT: Option<reqwest::Url> = None;
      70                 :     pub const DEFAULT_SYNTHETIC_SIZE_CALCULATION_INTERVAL: &str = "10 min";
      71                 :     pub const DEFAULT_BACKGROUND_TASK_MAXIMUM_DELAY: &str = "10s";
      72                 : 
      73                 :     ///
      74                 :     /// Default built-in configuration file.
      75                 :     ///
      76                 :     pub const DEFAULT_CONFIG_FILE: &str = formatcp!(
      77                 :         r#"
      78                 : # Initial configuration file created by 'pageserver --init'
      79                 : #listen_pg_addr = '{DEFAULT_PG_LISTEN_ADDR}'
      80                 : #listen_http_addr = '{DEFAULT_HTTP_LISTEN_ADDR}'
      81                 : 
      82                 : #wait_lsn_timeout = '{DEFAULT_WAIT_LSN_TIMEOUT}'
      83                 : #wal_redo_timeout = '{DEFAULT_WAL_REDO_TIMEOUT}'
      84                 : 
      85                 : #max_file_descriptors = {DEFAULT_MAX_FILE_DESCRIPTORS}
      86                 : 
      87                 : # initial superuser role name to use when creating a new tenant
      88                 : #initial_superuser_name = '{DEFAULT_SUPERUSER}'
      89                 : 
      90                 : #broker_endpoint = '{BROKER_DEFAULT_ENDPOINT}'
      91                 : 
      92                 : #log_format = '{DEFAULT_LOG_FORMAT}'
      93                 : 
      94                 : #concurrent_tenant_size_logical_size_queries = '{DEFAULT_CONCURRENT_TENANT_SIZE_LOGICAL_SIZE_QUERIES}'
      95                 : 
      96                 : #metric_collection_interval = '{DEFAULT_METRIC_COLLECTION_INTERVAL}'
      97                 : #cached_metric_collection_interval = '{DEFAULT_CACHED_METRIC_COLLECTION_INTERVAL}'
      98                 : #synthetic_size_calculation_interval = '{DEFAULT_SYNTHETIC_SIZE_CALCULATION_INTERVAL}'
      99                 : 
     100                 : #disk_usage_based_eviction = {{ max_usage_pct = .., min_avail_bytes = .., period = "10s"}}
     101                 : 
     102                 : #background_task_maximum_delay = '{DEFAULT_BACKGROUND_TASK_MAXIMUM_DELAY}'
     103                 : 
     104                 : [tenant_config]
     105                 : #checkpoint_distance = {DEFAULT_CHECKPOINT_DISTANCE} # in bytes
     106                 : #checkpoint_timeout = {DEFAULT_CHECKPOINT_TIMEOUT}
     107                 : #compaction_target_size = {DEFAULT_COMPACTION_TARGET_SIZE} # in bytes
     108                 : #compaction_period = '{DEFAULT_COMPACTION_PERIOD}'
     109                 : #compaction_threshold = {DEFAULT_COMPACTION_THRESHOLD}
     110                 : 
     111                 : #gc_period = '{DEFAULT_GC_PERIOD}'
     112                 : #gc_horizon = {DEFAULT_GC_HORIZON}
     113                 : #image_creation_threshold = {DEFAULT_IMAGE_CREATION_THRESHOLD}
     114                 : #pitr_interval = '{DEFAULT_PITR_INTERVAL}'
     115                 : 
     116                 : #min_resident_size_override = .. # in bytes
     117                 : #evictions_low_residence_duration_metric_threshold = '{DEFAULT_EVICTIONS_LOW_RESIDENCE_DURATION_METRIC_THRESHOLD}'
     118                 : #gc_feedback = false
     119                 : 
     120                 : [remote_storage]
     121                 : 
     122                 : "#
     123                 :     );
     124                 : }
     125                 : 
     126 CBC           2 : #[derive(Debug, Clone, PartialEq, Eq)]
     127                 : pub struct PageServerConf {
     128                 :     // Identifier of that particular pageserver so e g safekeepers
     129                 :     // can safely distinguish different pageservers
     130                 :     pub id: NodeId,
     131                 : 
     132                 :     /// Example (default): 127.0.0.1:64000
     133                 :     pub listen_pg_addr: String,
     134                 :     /// Example (default): 127.0.0.1:9898
     135                 :     pub listen_http_addr: String,
     136                 : 
     137                 :     /// Current availability zone. Used for traffic metrics.
     138                 :     pub availability_zone: Option<String>,
     139                 : 
     140                 :     // Timeout when waiting for WAL receiver to catch up to an LSN given in a GetPage@LSN call.
     141                 :     pub wait_lsn_timeout: Duration,
     142                 :     // How long to wait for WAL redo to complete.
     143                 :     pub wal_redo_timeout: Duration,
     144                 : 
     145                 :     pub superuser: String,
     146                 : 
     147                 :     pub page_cache_size: usize,
     148                 :     pub max_file_descriptors: usize,
     149                 : 
     150                 :     // Repository directory, relative to current working directory.
     151                 :     // Normally, the page server changes the current working directory
     152                 :     // to the repository, and 'workdir' is always '.'. But we don't do
     153                 :     // that during unit testing, because the current directory is global
     154                 :     // to the process but different unit tests work on different
     155                 :     // repositories.
     156                 :     pub workdir: Utf8PathBuf,
     157                 : 
     158                 :     pub pg_distrib_dir: Utf8PathBuf,
     159                 : 
     160                 :     // Authentication
     161                 :     /// authentication method for the HTTP mgmt API
     162                 :     pub http_auth_type: AuthType,
     163                 :     /// authentication method for libpq connections from compute
     164                 :     pub pg_auth_type: AuthType,
     165                 :     /// Path to a file containing public key for verifying JWT tokens.
     166                 :     /// Used for both mgmt and compute auth, if enabled.
     167                 :     pub auth_validation_public_key_path: Option<Utf8PathBuf>,
     168                 : 
     169                 :     pub remote_storage_config: Option<RemoteStorageConfig>,
     170                 : 
     171                 :     pub default_tenant_conf: TenantConf,
     172                 : 
     173                 :     /// Storage broker endpoints to connect to.
     174                 :     pub broker_endpoint: Uri,
     175                 :     pub broker_keepalive_interval: Duration,
     176                 : 
     177                 :     pub log_format: LogFormat,
     178                 : 
     179                 :     /// Number of concurrent [`Tenant::gather_size_inputs`](crate::tenant::Tenant::gather_size_inputs) allowed.
     180                 :     pub concurrent_tenant_size_logical_size_queries: ConfigurableSemaphore,
     181                 :     /// Limit of concurrent [`Tenant::gather_size_inputs`] issued by module `eviction_task`.
     182                 :     /// The number of permits is the same as `concurrent_tenant_size_logical_size_queries`.
     183                 :     /// See the comment in `eviction_task` for details.
     184                 :     ///
     185                 :     /// [`Tenant::gather_size_inputs`]: crate::tenant::Tenant::gather_size_inputs
     186                 :     pub eviction_task_immitated_concurrent_logical_size_queries: ConfigurableSemaphore,
     187                 : 
     188                 :     // How often to collect metrics and send them to the metrics endpoint.
     189                 :     pub metric_collection_interval: Duration,
     190                 :     // How often to send unchanged cached metrics to the metrics endpoint.
     191                 :     pub cached_metric_collection_interval: Duration,
     192                 :     pub metric_collection_endpoint: Option<Url>,
     193                 :     pub synthetic_size_calculation_interval: Duration,
     194                 : 
     195                 :     pub disk_usage_based_eviction: Option<DiskUsageEvictionTaskConfig>,
     196                 : 
     197                 :     pub test_remote_failures: u64,
     198                 : 
     199                 :     pub ondemand_download_behavior_treat_error_as_warn: bool,
     200                 : 
     201                 :     /// How long will background tasks be delayed at most after initial load of tenants.
     202                 :     ///
     203                 :     /// Our largest initialization completions are in the range of 100-200s, so perhaps 10s works
     204                 :     /// as we now isolate initial loading, initial logical size calculation and background tasks.
     205                 :     /// Smaller nodes will have background tasks "not running" for this long unless every timeline
     206                 :     /// has it's initial logical size calculated. Not running background tasks for some seconds is
     207                 :     /// not terrible.
     208                 :     pub background_task_maximum_delay: Duration,
     209                 : 
     210                 :     pub control_plane_api: Option<Url>,
     211                 : 
     212                 :     /// JWT token for use with the control plane API.
     213                 :     pub control_plane_api_token: Option<SecretString>,
     214                 : 
     215                 :     /// If true, pageserver will make best-effort to operate without a control plane: only
     216                 :     /// for use in major incidents.
     217                 :     pub control_plane_emergency_mode: bool,
     218                 : }
     219                 : 
     220                 : /// We do not want to store this in a PageServerConf because the latter may be logged
     221                 : /// and/or serialized at a whim, while the token is secret. Currently this token is the
     222                 : /// same for accessing all tenants/timelines, but may become per-tenant/per-timeline in
     223                 : /// the future, more tokens and auth may arrive for storage broker, completely changing the logic.
     224                 : /// Hence, we resort to a global variable for now instead of passing the token from the
     225                 : /// startup code to the connection code through a dozen layers.
     226                 : pub static SAFEKEEPER_AUTH_TOKEN: OnceCell<Arc<String>> = OnceCell::new();
     227                 : 
     228                 : // use dedicated enum for builder to better indicate the intention
     229                 : // and avoid possible confusion with nested options
     230                 : pub enum BuilderValue<T> {
     231                 :     Set(T),
     232                 :     NotSet,
     233                 : }
     234                 : 
     235                 : impl<T> BuilderValue<T> {
     236           27556 :     pub fn ok_or<E>(self, err: E) -> Result<T, E> {
     237           27556 :         match self {
     238           27555 :             Self::Set(v) => Ok(v),
     239               1 :             Self::NotSet => Err(err),
     240                 :         }
     241           27556 :     }
     242                 : }
     243                 : 
     244                 : // needed to simplify config construction
     245                 : struct PageServerConfigBuilder {
     246                 :     listen_pg_addr: BuilderValue<String>,
     247                 : 
     248                 :     listen_http_addr: BuilderValue<String>,
     249                 : 
     250                 :     availability_zone: BuilderValue<Option<String>>,
     251                 : 
     252                 :     wait_lsn_timeout: BuilderValue<Duration>,
     253                 :     wal_redo_timeout: BuilderValue<Duration>,
     254                 : 
     255                 :     superuser: BuilderValue<String>,
     256                 : 
     257                 :     page_cache_size: BuilderValue<usize>,
     258                 :     max_file_descriptors: BuilderValue<usize>,
     259                 : 
     260                 :     workdir: BuilderValue<Utf8PathBuf>,
     261                 : 
     262                 :     pg_distrib_dir: BuilderValue<Utf8PathBuf>,
     263                 : 
     264                 :     http_auth_type: BuilderValue<AuthType>,
     265                 :     pg_auth_type: BuilderValue<AuthType>,
     266                 : 
     267                 :     //
     268                 :     auth_validation_public_key_path: BuilderValue<Option<Utf8PathBuf>>,
     269                 :     remote_storage_config: BuilderValue<Option<RemoteStorageConfig>>,
     270                 : 
     271                 :     id: BuilderValue<NodeId>,
     272                 : 
     273                 :     broker_endpoint: BuilderValue<Uri>,
     274                 :     broker_keepalive_interval: BuilderValue<Duration>,
     275                 : 
     276                 :     log_format: BuilderValue<LogFormat>,
     277                 : 
     278                 :     concurrent_tenant_size_logical_size_queries: BuilderValue<NonZeroUsize>,
     279                 : 
     280                 :     metric_collection_interval: BuilderValue<Duration>,
     281                 :     cached_metric_collection_interval: BuilderValue<Duration>,
     282                 :     metric_collection_endpoint: BuilderValue<Option<Url>>,
     283                 :     synthetic_size_calculation_interval: BuilderValue<Duration>,
     284                 : 
     285                 :     disk_usage_based_eviction: BuilderValue<Option<DiskUsageEvictionTaskConfig>>,
     286                 : 
     287                 :     test_remote_failures: BuilderValue<u64>,
     288                 : 
     289                 :     ondemand_download_behavior_treat_error_as_warn: BuilderValue<bool>,
     290                 : 
     291                 :     background_task_maximum_delay: BuilderValue<Duration>,
     292                 : 
     293                 :     control_plane_api: BuilderValue<Option<Url>>,
     294                 :     control_plane_api_token: BuilderValue<Option<SecretString>>,
     295                 :     control_plane_emergency_mode: BuilderValue<bool>,
     296                 : }
     297                 : 
     298                 : impl Default for PageServerConfigBuilder {
     299             919 :     fn default() -> Self {
     300             919 :         use self::BuilderValue::*;
     301             919 :         use defaults::*;
     302             919 :         Self {
     303             919 :             listen_pg_addr: Set(DEFAULT_PG_LISTEN_ADDR.to_string()),
     304             919 :             listen_http_addr: Set(DEFAULT_HTTP_LISTEN_ADDR.to_string()),
     305             919 :             availability_zone: Set(None),
     306             919 :             wait_lsn_timeout: Set(humantime::parse_duration(DEFAULT_WAIT_LSN_TIMEOUT)
     307             919 :                 .expect("cannot parse default wait lsn timeout")),
     308             919 :             wal_redo_timeout: Set(humantime::parse_duration(DEFAULT_WAL_REDO_TIMEOUT)
     309             919 :                 .expect("cannot parse default wal redo timeout")),
     310             919 :             superuser: Set(DEFAULT_SUPERUSER.to_string()),
     311             919 :             page_cache_size: Set(DEFAULT_PAGE_CACHE_SIZE),
     312             919 :             max_file_descriptors: Set(DEFAULT_MAX_FILE_DESCRIPTORS),
     313             919 :             workdir: Set(Utf8PathBuf::new()),
     314             919 :             pg_distrib_dir: Set(Utf8PathBuf::from_path_buf(
     315             919 :                 env::current_dir().expect("cannot access current directory"),
     316             919 :             )
     317             919 :             .expect("non-Unicode path")
     318             919 :             .join("pg_install")),
     319             919 :             http_auth_type: Set(AuthType::Trust),
     320             919 :             pg_auth_type: Set(AuthType::Trust),
     321             919 :             auth_validation_public_key_path: Set(None),
     322             919 :             remote_storage_config: Set(None),
     323             919 :             id: NotSet,
     324             919 :             broker_endpoint: Set(storage_broker::DEFAULT_ENDPOINT
     325             919 :                 .parse()
     326             919 :                 .expect("failed to parse default broker endpoint")),
     327             919 :             broker_keepalive_interval: Set(humantime::parse_duration(
     328             919 :                 storage_broker::DEFAULT_KEEPALIVE_INTERVAL,
     329             919 :             )
     330             919 :             .expect("cannot parse default keepalive interval")),
     331             919 :             log_format: Set(LogFormat::from_str(DEFAULT_LOG_FORMAT).unwrap()),
     332             919 : 
     333             919 :             concurrent_tenant_size_logical_size_queries: Set(
     334             919 :                 ConfigurableSemaphore::DEFAULT_INITIAL,
     335             919 :             ),
     336             919 :             metric_collection_interval: Set(humantime::parse_duration(
     337             919 :                 DEFAULT_METRIC_COLLECTION_INTERVAL,
     338             919 :             )
     339             919 :             .expect("cannot parse default metric collection interval")),
     340             919 :             cached_metric_collection_interval: Set(humantime::parse_duration(
     341             919 :                 DEFAULT_CACHED_METRIC_COLLECTION_INTERVAL,
     342             919 :             )
     343             919 :             .expect("cannot parse default cached_metric_collection_interval")),
     344             919 :             synthetic_size_calculation_interval: Set(humantime::parse_duration(
     345             919 :                 DEFAULT_SYNTHETIC_SIZE_CALCULATION_INTERVAL,
     346             919 :             )
     347             919 :             .expect("cannot parse default synthetic size calculation interval")),
     348             919 :             metric_collection_endpoint: Set(DEFAULT_METRIC_COLLECTION_ENDPOINT),
     349             919 : 
     350             919 :             disk_usage_based_eviction: Set(None),
     351             919 : 
     352             919 :             test_remote_failures: Set(0),
     353             919 : 
     354             919 :             ondemand_download_behavior_treat_error_as_warn: Set(false),
     355             919 : 
     356             919 :             background_task_maximum_delay: Set(humantime::parse_duration(
     357             919 :                 DEFAULT_BACKGROUND_TASK_MAXIMUM_DELAY,
     358             919 :             )
     359             919 :             .unwrap()),
     360             919 : 
     361             919 :             control_plane_api: Set(None),
     362             919 :             control_plane_api_token: Set(None),
     363             919 :             control_plane_emergency_mode: Set(false),
     364             919 :         }
     365             919 :     }
     366                 : }
     367                 : 
     368                 : impl PageServerConfigBuilder {
     369             915 :     pub fn listen_pg_addr(&mut self, listen_pg_addr: String) {
     370             915 :         self.listen_pg_addr = BuilderValue::Set(listen_pg_addr)
     371             915 :     }
     372                 : 
     373             915 :     pub fn listen_http_addr(&mut self, listen_http_addr: String) {
     374             915 :         self.listen_http_addr = BuilderValue::Set(listen_http_addr)
     375             915 :     }
     376                 : 
     377               2 :     pub fn availability_zone(&mut self, availability_zone: Option<String>) {
     378               2 :         self.availability_zone = BuilderValue::Set(availability_zone)
     379               2 :     }
     380                 : 
     381              14 :     pub fn wait_lsn_timeout(&mut self, wait_lsn_timeout: Duration) {
     382              14 :         self.wait_lsn_timeout = BuilderValue::Set(wait_lsn_timeout)
     383              14 :     }
     384                 : 
     385               6 :     pub fn wal_redo_timeout(&mut self, wal_redo_timeout: Duration) {
     386               6 :         self.wal_redo_timeout = BuilderValue::Set(wal_redo_timeout)
     387               6 :     }
     388                 : 
     389               6 :     pub fn superuser(&mut self, superuser: String) {
     390               6 :         self.superuser = BuilderValue::Set(superuser)
     391               6 :     }
     392                 : 
     393              10 :     pub fn page_cache_size(&mut self, page_cache_size: usize) {
     394              10 :         self.page_cache_size = BuilderValue::Set(page_cache_size)
     395              10 :     }
     396                 : 
     397               6 :     pub fn max_file_descriptors(&mut self, max_file_descriptors: usize) {
     398               6 :         self.max_file_descriptors = BuilderValue::Set(max_file_descriptors)
     399               6 :     }
     400                 : 
     401             919 :     pub fn workdir(&mut self, workdir: Utf8PathBuf) {
     402             919 :         self.workdir = BuilderValue::Set(workdir)
     403             919 :     }
     404                 : 
     405             919 :     pub fn pg_distrib_dir(&mut self, pg_distrib_dir: Utf8PathBuf) {
     406             919 :         self.pg_distrib_dir = BuilderValue::Set(pg_distrib_dir)
     407             919 :     }
     408                 : 
     409             909 :     pub fn http_auth_type(&mut self, auth_type: AuthType) {
     410             909 :         self.http_auth_type = BuilderValue::Set(auth_type)
     411             909 :     }
     412                 : 
     413             909 :     pub fn pg_auth_type(&mut self, auth_type: AuthType) {
     414             909 :         self.pg_auth_type = BuilderValue::Set(auth_type)
     415             909 :     }
     416                 : 
     417              18 :     pub fn auth_validation_public_key_path(
     418              18 :         &mut self,
     419              18 :         auth_validation_public_key_path: Option<Utf8PathBuf>,
     420              18 :     ) {
     421              18 :         self.auth_validation_public_key_path = BuilderValue::Set(auth_validation_public_key_path)
     422              18 :     }
     423                 : 
     424             915 :     pub fn remote_storage_config(&mut self, remote_storage_config: Option<RemoteStorageConfig>) {
     425             915 :         self.remote_storage_config = BuilderValue::Set(remote_storage_config)
     426             915 :     }
     427                 : 
     428             916 :     pub fn broker_endpoint(&mut self, broker_endpoint: Uri) {
     429             916 :         self.broker_endpoint = BuilderValue::Set(broker_endpoint)
     430             916 :     }
     431                 : 
     432 UBC           0 :     pub fn broker_keepalive_interval(&mut self, broker_keepalive_interval: Duration) {
     433               0 :         self.broker_keepalive_interval = BuilderValue::Set(broker_keepalive_interval)
     434               0 :     }
     435                 : 
     436 CBC         918 :     pub fn id(&mut self, node_id: NodeId) {
     437             918 :         self.id = BuilderValue::Set(node_id)
     438             918 :     }
     439                 : 
     440               6 :     pub fn log_format(&mut self, log_format: LogFormat) {
     441               6 :         self.log_format = BuilderValue::Set(log_format)
     442               6 :     }
     443                 : 
     444 UBC           0 :     pub fn concurrent_tenant_size_logical_size_queries(&mut self, u: NonZeroUsize) {
     445               0 :         self.concurrent_tenant_size_logical_size_queries = BuilderValue::Set(u);
     446               0 :     }
     447                 : 
     448 CBC          16 :     pub fn metric_collection_interval(&mut self, metric_collection_interval: Duration) {
     449              16 :         self.metric_collection_interval = BuilderValue::Set(metric_collection_interval)
     450              16 :     }
     451                 : 
     452              12 :     pub fn cached_metric_collection_interval(
     453              12 :         &mut self,
     454              12 :         cached_metric_collection_interval: Duration,
     455              12 :     ) {
     456              12 :         self.cached_metric_collection_interval =
     457              12 :             BuilderValue::Set(cached_metric_collection_interval)
     458              12 :     }
     459                 : 
     460              16 :     pub fn metric_collection_endpoint(&mut self, metric_collection_endpoint: Option<Url>) {
     461              16 :         self.metric_collection_endpoint = BuilderValue::Set(metric_collection_endpoint)
     462              16 :     }
     463                 : 
     464              15 :     pub fn synthetic_size_calculation_interval(
     465              15 :         &mut self,
     466              15 :         synthetic_size_calculation_interval: Duration,
     467              15 :     ) {
     468              15 :         self.synthetic_size_calculation_interval =
     469              15 :             BuilderValue::Set(synthetic_size_calculation_interval)
     470              15 :     }
     471                 : 
     472             104 :     pub fn test_remote_failures(&mut self, fail_first: u64) {
     473             104 :         self.test_remote_failures = BuilderValue::Set(fail_first);
     474             104 :     }
     475                 : 
     476               4 :     pub fn disk_usage_based_eviction(&mut self, value: Option<DiskUsageEvictionTaskConfig>) {
     477               4 :         self.disk_usage_based_eviction = BuilderValue::Set(value);
     478               4 :     }
     479                 : 
     480 UBC           0 :     pub fn ondemand_download_behavior_treat_error_as_warn(
     481               0 :         &mut self,
     482               0 :         ondemand_download_behavior_treat_error_as_warn: bool,
     483               0 :     ) {
     484               0 :         self.ondemand_download_behavior_treat_error_as_warn =
     485               0 :             BuilderValue::Set(ondemand_download_behavior_treat_error_as_warn);
     486               0 :     }
     487                 : 
     488 CBC           9 :     pub fn background_task_maximum_delay(&mut self, delay: Duration) {
     489               9 :         self.background_task_maximum_delay = BuilderValue::Set(delay);
     490               9 :     }
     491                 : 
     492              44 :     pub fn control_plane_api(&mut self, api: Option<Url>) {
     493              44 :         self.control_plane_api = BuilderValue::Set(api)
     494              44 :     }
     495                 : 
     496 UBC           0 :     pub fn control_plane_api_token(&mut self, token: Option<SecretString>) {
     497               0 :         self.control_plane_api_token = BuilderValue::Set(token)
     498               0 :     }
     499                 : 
     500 CBC           1 :     pub fn control_plane_emergency_mode(&mut self, enabled: bool) {
     501               1 :         self.control_plane_emergency_mode = BuilderValue::Set(enabled)
     502               1 :     }
     503                 : 
     504             919 :     pub fn build(self) -> anyhow::Result<PageServerConf> {
     505             919 :         let concurrent_tenant_size_logical_size_queries = self
     506             919 :             .concurrent_tenant_size_logical_size_queries
     507             919 :             .ok_or(anyhow!(
     508             919 :                 "missing concurrent_tenant_size_logical_size_queries"
     509             919 :             ))?;
     510                 :         Ok(PageServerConf {
     511             919 :             listen_pg_addr: self
     512             919 :                 .listen_pg_addr
     513             919 :                 .ok_or(anyhow!("missing listen_pg_addr"))?,
     514             919 :             listen_http_addr: self
     515             919 :                 .listen_http_addr
     516             919 :                 .ok_or(anyhow!("missing listen_http_addr"))?,
     517             919 :             availability_zone: self
     518             919 :                 .availability_zone
     519             919 :                 .ok_or(anyhow!("missing availability_zone"))?,
     520             919 :             wait_lsn_timeout: self
     521             919 :                 .wait_lsn_timeout
     522             919 :                 .ok_or(anyhow!("missing wait_lsn_timeout"))?,
     523             919 :             wal_redo_timeout: self
     524             919 :                 .wal_redo_timeout
     525             919 :                 .ok_or(anyhow!("missing wal_redo_timeout"))?,
     526             919 :             superuser: self.superuser.ok_or(anyhow!("missing superuser"))?,
     527             919 :             page_cache_size: self
     528             919 :                 .page_cache_size
     529             919 :                 .ok_or(anyhow!("missing page_cache_size"))?,
     530             919 :             max_file_descriptors: self
     531             919 :                 .max_file_descriptors
     532             919 :                 .ok_or(anyhow!("missing max_file_descriptors"))?,
     533             919 :             workdir: self.workdir.ok_or(anyhow!("missing workdir"))?,
     534             919 :             pg_distrib_dir: self
     535             919 :                 .pg_distrib_dir
     536             919 :                 .ok_or(anyhow!("missing pg_distrib_dir"))?,
     537             919 :             http_auth_type: self
     538             919 :                 .http_auth_type
     539             919 :                 .ok_or(anyhow!("missing http_auth_type"))?,
     540             919 :             pg_auth_type: self.pg_auth_type.ok_or(anyhow!("missing pg_auth_type"))?,
     541             919 :             auth_validation_public_key_path: self
     542             919 :                 .auth_validation_public_key_path
     543             919 :                 .ok_or(anyhow!("missing auth_validation_public_key_path"))?,
     544             919 :             remote_storage_config: self
     545             919 :                 .remote_storage_config
     546             919 :                 .ok_or(anyhow!("missing remote_storage_config"))?,
     547             919 :             id: self.id.ok_or(anyhow!("missing id"))?,
     548                 :             // TenantConf is handled separately
     549             918 :             default_tenant_conf: TenantConf::default(),
     550             918 :             broker_endpoint: self
     551             918 :                 .broker_endpoint
     552             918 :                 .ok_or(anyhow!("No broker endpoints provided"))?,
     553             918 :             broker_keepalive_interval: self
     554             918 :                 .broker_keepalive_interval
     555             918 :                 .ok_or(anyhow!("No broker keepalive interval provided"))?,
     556             918 :             log_format: self.log_format.ok_or(anyhow!("missing log_format"))?,
     557             918 :             concurrent_tenant_size_logical_size_queries: ConfigurableSemaphore::new(
     558             918 :                 concurrent_tenant_size_logical_size_queries,
     559             918 :             ),
     560             918 :             eviction_task_immitated_concurrent_logical_size_queries: ConfigurableSemaphore::new(
     561             918 :                 concurrent_tenant_size_logical_size_queries,
     562             918 :             ),
     563             918 :             metric_collection_interval: self
     564             918 :                 .metric_collection_interval
     565             918 :                 .ok_or(anyhow!("missing metric_collection_interval"))?,
     566             918 :             cached_metric_collection_interval: self
     567             918 :                 .cached_metric_collection_interval
     568             918 :                 .ok_or(anyhow!("missing cached_metric_collection_interval"))?,
     569             918 :             metric_collection_endpoint: self
     570             918 :                 .metric_collection_endpoint
     571             918 :                 .ok_or(anyhow!("missing metric_collection_endpoint"))?,
     572             918 :             synthetic_size_calculation_interval: self
     573             918 :                 .synthetic_size_calculation_interval
     574             918 :                 .ok_or(anyhow!("missing synthetic_size_calculation_interval"))?,
     575             918 :             disk_usage_based_eviction: self
     576             918 :                 .disk_usage_based_eviction
     577             918 :                 .ok_or(anyhow!("missing disk_usage_based_eviction"))?,
     578             918 :             test_remote_failures: self
     579             918 :                 .test_remote_failures
     580             918 :                 .ok_or(anyhow!("missing test_remote_failuers"))?,
     581             918 :             ondemand_download_behavior_treat_error_as_warn: self
     582             918 :                 .ondemand_download_behavior_treat_error_as_warn
     583             918 :                 .ok_or(anyhow!(
     584             918 :                     "missing ondemand_download_behavior_treat_error_as_warn"
     585             918 :                 ))?,
     586             918 :             background_task_maximum_delay: self
     587             918 :                 .background_task_maximum_delay
     588             918 :                 .ok_or(anyhow!("missing background_task_maximum_delay"))?,
     589             918 :             control_plane_api: self
     590             918 :                 .control_plane_api
     591             918 :                 .ok_or(anyhow!("missing control_plane_api"))?,
     592             918 :             control_plane_api_token: self
     593             918 :                 .control_plane_api_token
     594             918 :                 .ok_or(anyhow!("missing control_plane_api_token"))?,
     595             918 :             control_plane_emergency_mode: self
     596             918 :                 .control_plane_emergency_mode
     597             918 :                 .ok_or(anyhow!("missing control_plane_emergency_mode"))?,
     598                 :         })
     599             919 :     }
     600                 : }
     601                 : 
     602                 : impl PageServerConf {
     603                 :     //
     604                 :     // Repository paths, relative to workdir.
     605                 :     //
     606                 : 
     607          147424 :     pub fn tenants_path(&self) -> Utf8PathBuf {
     608          147424 :         self.workdir.join(TENANTS_SEGMENT_NAME)
     609          147424 :     }
     610                 : 
     611             727 :     pub fn deletion_prefix(&self) -> Utf8PathBuf {
     612             727 :         self.workdir.join("deletion")
     613             727 :     }
     614                 : 
     615              43 :     pub fn deletion_list_path(&self, sequence: u64) -> Utf8PathBuf {
     616              43 :         // Encode a version in the filename, so that if we ever switch away from JSON we can
     617              43 :         // increment this.
     618              43 :         const VERSION: u8 = 1;
     619              43 : 
     620              43 :         self.deletion_prefix()
     621              43 :             .join(format!("{sequence:016x}-{VERSION:02x}.list"))
     622              43 :     }
     623                 : 
     624              83 :     pub fn deletion_header_path(&self) -> Utf8PathBuf {
     625              83 :         // Encode a version in the filename, so that if we ever switch away from JSON we can
     626              83 :         // increment this.
     627              83 :         const VERSION: u8 = 1;
     628              83 : 
     629              83 :         self.deletion_prefix().join(format!("header-{VERSION:02x}"))
     630              83 :     }
     631                 : 
     632          145952 :     pub fn tenant_path(&self, tenant_id: &TenantId) -> Utf8PathBuf {
     633          145952 :         self.tenants_path().join(tenant_id.to_string())
     634          145952 :     }
     635                 : 
     636             796 :     pub fn tenant_attaching_mark_file_path(&self, tenant_id: &TenantId) -> Utf8PathBuf {
     637             796 :         self.tenant_path(tenant_id)
     638             796 :             .join(TENANT_ATTACHING_MARKER_FILENAME)
     639             796 :     }
     640                 : 
     641            1425 :     pub fn tenant_ignore_mark_file_path(&self, tenant_id: &TenantId) -> Utf8PathBuf {
     642            1425 :         self.tenant_path(tenant_id).join(IGNORED_TENANT_FILE_NAME)
     643            1425 :     }
     644                 : 
     645                 :     /// Points to a place in pageserver's local directory,
     646                 :     /// where certain tenant's tenantconf file should be located.
     647                 :     ///
     648                 :     /// Legacy: superseded by tenant_location_config_path.  Eventually
     649                 :     /// remove this function.
     650            1019 :     pub fn tenant_config_path(&self, tenant_id: &TenantId) -> Utf8PathBuf {
     651            1019 :         self.tenant_path(tenant_id).join(TENANT_CONFIG_NAME)
     652            1019 :     }
     653                 : 
     654            1019 :     pub fn tenant_location_config_path(&self, tenant_id: &TenantId) -> Utf8PathBuf {
     655            1019 :         self.tenant_path(tenant_id)
     656            1019 :             .join(TENANT_LOCATION_CONFIG_NAME)
     657            1019 :     }
     658                 : 
     659          139048 :     pub fn timelines_path(&self, tenant_id: &TenantId) -> Utf8PathBuf {
     660          139048 :         self.tenant_path(tenant_id).join(TIMELINES_SEGMENT_NAME)
     661          139048 :     }
     662                 : 
     663          136892 :     pub fn timeline_path(&self, tenant_id: &TenantId, timeline_id: &TimelineId) -> Utf8PathBuf {
     664          136892 :         self.timelines_path(tenant_id).join(timeline_id.to_string())
     665          136892 :     }
     666                 : 
     667            1263 :     pub fn timeline_uninit_mark_file_path(
     668            1263 :         &self,
     669            1263 :         tenant_id: TenantId,
     670            1263 :         timeline_id: TimelineId,
     671            1263 :     ) -> Utf8PathBuf {
     672            1263 :         path_with_suffix_extension(
     673            1263 :             self.timeline_path(&tenant_id, &timeline_id),
     674            1263 :             TIMELINE_UNINIT_MARK_SUFFIX,
     675            1263 :         )
     676            1263 :     }
     677                 : 
     678             719 :     pub fn timeline_delete_mark_file_path(
     679             719 :         &self,
     680             719 :         tenant_id: TenantId,
     681             719 :         timeline_id: TimelineId,
     682             719 :     ) -> Utf8PathBuf {
     683             719 :         path_with_suffix_extension(
     684             719 :             self.timeline_path(&tenant_id, &timeline_id),
     685             719 :             TIMELINE_DELETE_MARK_SUFFIX,
     686             719 :         )
     687             719 :     }
     688                 : 
     689             842 :     pub fn tenant_deleted_mark_file_path(&self, tenant_id: &TenantId) -> Utf8PathBuf {
     690             842 :         self.tenant_path(tenant_id)
     691             842 :             .join(TENANT_DELETED_MARKER_FILE_NAME)
     692             842 :     }
     693                 : 
     694               4 :     pub fn traces_path(&self) -> Utf8PathBuf {
     695               4 :         self.workdir.join("traces")
     696               4 :     }
     697                 : 
     698               4 :     pub fn trace_path(
     699               4 :         &self,
     700               4 :         tenant_id: &TenantId,
     701               4 :         timeline_id: &TimelineId,
     702               4 :         connection_id: &ConnectionId,
     703               4 :     ) -> Utf8PathBuf {
     704               4 :         self.traces_path()
     705               4 :             .join(tenant_id.to_string())
     706               4 :             .join(timeline_id.to_string())
     707               4 :             .join(connection_id.to_string())
     708               4 :     }
     709                 : 
     710                 :     /// Points to a place in pageserver's local directory,
     711                 :     /// where certain timeline's metadata file should be located.
     712            7362 :     pub fn metadata_path(&self, tenant_id: &TenantId, timeline_id: &TimelineId) -> Utf8PathBuf {
     713            7362 :         self.timeline_path(tenant_id, timeline_id)
     714            7362 :             .join(METADATA_FILE_NAME)
     715            7362 :     }
     716                 : 
     717                 :     /// Turns storage remote path of a file into its local path.
     718 UBC           0 :     pub fn local_path(&self, remote_path: &RemotePath) -> Utf8PathBuf {
     719               0 :         remote_path.with_base(&self.workdir)
     720               0 :     }
     721                 : 
     722                 :     //
     723                 :     // Postgres distribution paths
     724                 :     //
     725 CBC        1922 :     pub fn pg_distrib_dir(&self, pg_version: u32) -> anyhow::Result<Utf8PathBuf> {
     726            1922 :         let path = self.pg_distrib_dir.clone();
     727            1922 : 
     728            1922 :         #[allow(clippy::manual_range_patterns)]
     729            1922 :         match pg_version {
     730            1922 :             14 | 15 | 16 => Ok(path.join(format!("v{pg_version}"))),
     731 UBC           0 :             _ => bail!("Unsupported postgres version: {}", pg_version),
     732                 :         }
     733 CBC        1922 :     }
     734                 : 
     735             961 :     pub fn pg_bin_dir(&self, pg_version: u32) -> anyhow::Result<Utf8PathBuf> {
     736             961 :         Ok(self.pg_distrib_dir(pg_version)?.join("bin"))
     737             961 :     }
     738             961 :     pub fn pg_lib_dir(&self, pg_version: u32) -> anyhow::Result<Utf8PathBuf> {
     739             961 :         Ok(self.pg_distrib_dir(pg_version)?.join("lib"))
     740             961 :     }
     741                 : 
     742                 :     /// Parse a configuration file (pageserver.toml) into a PageServerConf struct,
     743                 :     /// validating the input and failing on errors.
     744                 :     ///
     745                 :     /// This leaves any options not present in the file in the built-in defaults.
     746             919 :     pub fn parse_and_validate(toml: &Document, workdir: &Utf8Path) -> anyhow::Result<Self> {
     747             919 :         let mut builder = PageServerConfigBuilder::default();
     748             919 :         builder.workdir(workdir.to_owned());
     749             919 : 
     750             919 :         let mut t_conf = TenantConfOpt::default();
     751                 : 
     752            8518 :         for (key, item) in toml.iter() {
     753            8518 :             match key {
     754            8518 :                 "listen_pg_addr" => builder.listen_pg_addr(parse_toml_string(key, item)?),
     755            7603 :                 "listen_http_addr" => builder.listen_http_addr(parse_toml_string(key, item)?),
     756            6688 :                 "availability_zone" => builder.availability_zone(Some(parse_toml_string(key, item)?)),
     757            6686 :                 "wait_lsn_timeout" => builder.wait_lsn_timeout(parse_toml_duration(key, item)?),
     758            6672 :                 "wal_redo_timeout" => builder.wal_redo_timeout(parse_toml_duration(key, item)?),
     759            6666 :                 "initial_superuser_name" => builder.superuser(parse_toml_string(key, item)?),
     760            6660 :                 "page_cache_size" => builder.page_cache_size(parse_toml_u64(key, item)? as usize),
     761            6650 :                 "max_file_descriptors" => {
     762               6 :                     builder.max_file_descriptors(parse_toml_u64(key, item)? as usize)
     763                 :                 }
     764            6644 :                 "pg_distrib_dir" => {
     765             919 :                     builder.pg_distrib_dir(Utf8PathBuf::from(parse_toml_string(key, item)?))
     766                 :                 }
     767            5725 :                 "auth_validation_public_key_path" => builder.auth_validation_public_key_path(Some(
     768              18 :                     Utf8PathBuf::from(parse_toml_string(key, item)?),
     769                 :                 )),
     770            5707 :                 "http_auth_type" => builder.http_auth_type(parse_toml_from_str(key, item)?),
     771            4798 :                 "pg_auth_type" => builder.pg_auth_type(parse_toml_from_str(key, item)?),
     772            3889 :                 "remote_storage" => {
     773             915 :                     builder.remote_storage_config(RemoteStorageConfig::from_toml(item)?)
     774                 :                 }
     775            2974 :                 "tenant_config" => {
     776             913 :                     t_conf = Self::parse_toml_tenant_conf(item)?;
     777                 :                 }
     778            2061 :                 "id" => builder.id(NodeId(parse_toml_u64(key, item)?)),
     779            1143 :                 "broker_endpoint" => builder.broker_endpoint(parse_toml_string(key, item)?.parse().context("failed to parse broker endpoint")?),
     780             227 :                 "broker_keepalive_interval" => builder.broker_keepalive_interval(parse_toml_duration(key, item)?),
     781             227 :                 "log_format" => builder.log_format(
     782               6 :                     LogFormat::from_config(&parse_toml_string(key, item)?)?
     783                 :                 ),
     784             221 :                 "concurrent_tenant_size_logical_size_queries" => builder.concurrent_tenant_size_logical_size_queries({
     785 UBC           0 :                     let input = parse_toml_string(key, item)?;
     786               0 :                     let permits = input.parse::<usize>().context("expected a number of initial permits, not {s:?}")?;
     787               0 :                     NonZeroUsize::new(permits).context("initial semaphore permits out of range: 0, use other configuration to disable a feature")?
     788                 :                 }),
     789 CBC         221 :                 "metric_collection_interval" => builder.metric_collection_interval(parse_toml_duration(key, item)?),
     790             205 :                 "cached_metric_collection_interval" => builder.cached_metric_collection_interval(parse_toml_duration(key, item)?),
     791             193 :                 "metric_collection_endpoint" => {
     792              16 :                     let endpoint = parse_toml_string(key, item)?.parse().context("failed to parse metric_collection_endpoint")?;
     793              16 :                     builder.metric_collection_endpoint(Some(endpoint));
     794                 :                 },
     795             177 :                 "synthetic_size_calculation_interval" =>
     796              15 :                     builder.synthetic_size_calculation_interval(parse_toml_duration(key, item)?),
     797             162 :                 "test_remote_failures" => builder.test_remote_failures(parse_toml_u64(key, item)?),
     798              58 :                 "disk_usage_based_eviction" => {
     799               4 :                     tracing::info!("disk_usage_based_eviction: {:#?}", &item);
     800               4 :                     builder.disk_usage_based_eviction(
     801               4 :                         deserialize_from_item("disk_usage_based_eviction", item)
     802               4 :                             .context("parse disk_usage_based_eviction")?
     803                 :                     )
     804                 :                 },
     805              54 :                 "ondemand_download_behavior_treat_error_as_warn" => builder.ondemand_download_behavior_treat_error_as_warn(parse_toml_bool(key, item)?),
     806              54 :                 "background_task_maximum_delay" => builder.background_task_maximum_delay(parse_toml_duration(key, item)?),
     807              45 :                 "control_plane_api" => {
     808              44 :                     let parsed = parse_toml_string(key, item)?;
     809              44 :                     if parsed.is_empty() {
     810               1 :                         builder.control_plane_api(None)
     811                 :                     } else {
     812              43 :                         builder.control_plane_api(Some(parsed.parse().context("failed to parse control plane URL")?))
     813                 :                     }
     814                 :                 },
     815               1 :                 "control_plane_api_token" => {
     816 UBC           0 :                     let parsed = parse_toml_string(key, item)?;
     817               0 :                     if parsed.is_empty() {
     818               0 :                         builder.control_plane_api_token(None)
     819                 :                     } else {
     820               0 :                         builder.control_plane_api_token(Some(parsed.into()))
     821                 :                     }
     822                 :                 },
     823 CBC           1 :                 "control_plane_emergency_mode" => {
     824               1 :                     builder.control_plane_emergency_mode(parse_toml_bool(key, item)?)
     825                 : 
     826                 :                 },
     827 UBC           0 :                 _ => bail!("unrecognized pageserver option '{key}'"),
     828                 :             }
     829                 :         }
     830                 : 
     831 CBC         919 :         let mut conf = builder.build().context("invalid config")?;
     832                 : 
     833             918 :         if conf.http_auth_type == AuthType::NeonJWT || conf.pg_auth_type == AuthType::NeonJWT {
     834              18 :             let auth_validation_public_key_path = conf
     835              18 :                 .auth_validation_public_key_path
     836              18 :                 .get_or_insert_with(|| workdir.join("auth_public_key.pem"));
     837              18 :             ensure!(
     838              18 :                 auth_validation_public_key_path.exists(),
     839 UBC           0 :                 format!(
     840               0 :                     "Can't find auth_validation_public_key at '{auth_validation_public_key_path}'",
     841               0 :                 )
     842                 :             );
     843 CBC         900 :         }
     844                 : 
     845             918 :         conf.default_tenant_conf = t_conf.merge(TenantConf::default());
     846             918 : 
     847             918 :         Ok(conf)
     848             919 :     }
     849                 : 
     850                 :     // subroutine of parse_and_validate to parse `[tenant_conf]` section
     851                 : 
     852            1112 :     pub fn parse_toml_tenant_conf(item: &toml_edit::Item) -> Result<TenantConfOpt> {
     853            1112 :         let mut t_conf: TenantConfOpt = Default::default();
     854            1112 :         if let Some(checkpoint_distance) = item.get("checkpoint_distance") {
     855                 :             t_conf.checkpoint_distance =
     856              84 :                 Some(parse_toml_u64("checkpoint_distance", checkpoint_distance)?);
     857            1028 :         }
     858                 : 
     859            1112 :         if let Some(checkpoint_timeout) = item.get("checkpoint_timeout") {
     860 UBC           0 :             t_conf.checkpoint_timeout = Some(parse_toml_duration(
     861               0 :                 "checkpoint_timeout",
     862               0 :                 checkpoint_timeout,
     863               0 :             )?);
     864 CBC        1112 :         }
     865                 : 
     866            1112 :         if let Some(compaction_target_size) = item.get("compaction_target_size") {
     867              19 :             t_conf.compaction_target_size = Some(parse_toml_u64(
     868              19 :                 "compaction_target_size",
     869              19 :                 compaction_target_size,
     870              19 :             )?);
     871            1093 :         }
     872                 : 
     873            1112 :         if let Some(compaction_period) = item.get("compaction_period") {
     874                 :             t_conf.compaction_period =
     875              71 :                 Some(parse_toml_duration("compaction_period", compaction_period)?);
     876            1041 :         }
     877                 : 
     878            1112 :         if let Some(compaction_threshold) = item.get("compaction_threshold") {
     879                 :             t_conf.compaction_threshold =
     880              14 :                 Some(parse_toml_u64("compaction_threshold", compaction_threshold)?.try_into()?);
     881            1098 :         }
     882                 : 
     883            1112 :         if let Some(image_creation_threshold) = item.get("image_creation_threshold") {
     884                 :             t_conf.image_creation_threshold = Some(
     885              55 :                 parse_toml_u64("image_creation_threshold", image_creation_threshold)?.try_into()?,
     886                 :             );
     887            1057 :         }
     888                 : 
     889            1112 :         if let Some(gc_horizon) = item.get("gc_horizon") {
     890              16 :             t_conf.gc_horizon = Some(parse_toml_u64("gc_horizon", gc_horizon)?);
     891            1096 :         }
     892                 : 
     893            1112 :         if let Some(gc_period) = item.get("gc_period") {
     894              68 :             t_conf.gc_period = Some(parse_toml_duration("gc_period", gc_period)?);
     895            1044 :         }
     896                 : 
     897            1112 :         if let Some(pitr_interval) = item.get("pitr_interval") {
     898              27 :             t_conf.pitr_interval = Some(parse_toml_duration("pitr_interval", pitr_interval)?);
     899            1085 :         }
     900            1112 :         if let Some(walreceiver_connect_timeout) = item.get("walreceiver_connect_timeout") {
     901               2 :             t_conf.walreceiver_connect_timeout = Some(parse_toml_duration(
     902               2 :                 "walreceiver_connect_timeout",
     903               2 :                 walreceiver_connect_timeout,
     904               2 :             )?);
     905            1110 :         }
     906            1112 :         if let Some(lagging_wal_timeout) = item.get("lagging_wal_timeout") {
     907               2 :             t_conf.lagging_wal_timeout = Some(parse_toml_duration(
     908               2 :                 "lagging_wal_timeout",
     909               2 :                 lagging_wal_timeout,
     910               2 :             )?);
     911            1110 :         }
     912            1112 :         if let Some(max_lsn_wal_lag) = item.get("max_lsn_wal_lag") {
     913                 :             t_conf.max_lsn_wal_lag =
     914               1 :                 Some(deserialize_from_item("max_lsn_wal_lag", max_lsn_wal_lag)?);
     915            1111 :         }
     916            1112 :         if let Some(trace_read_requests) = item.get("trace_read_requests") {
     917                 :             t_conf.trace_read_requests =
     918               1 :                 Some(trace_read_requests.as_bool().with_context(|| {
     919 UBC           0 :                     "configure option trace_read_requests is not a bool".to_string()
     920 CBC           1 :                 })?);
     921            1111 :         }
     922                 : 
     923            1112 :         if let Some(eviction_policy) = item.get("eviction_policy") {
     924                 :             t_conf.eviction_policy = Some(
     925               7 :                 deserialize_from_item("eviction_policy", eviction_policy)
     926               7 :                     .context("parse eviction_policy")?,
     927                 :             );
     928            1105 :         }
     929                 : 
     930            1112 :         if let Some(item) = item.get("min_resident_size_override") {
     931                 :             t_conf.min_resident_size_override = Some(
     932               1 :                 deserialize_from_item("min_resident_size_override", item)
     933               1 :                     .context("parse min_resident_size_override")?,
     934                 :             );
     935            1111 :         }
     936                 : 
     937            1112 :         if let Some(item) = item.get("evictions_low_residence_duration_metric_threshold") {
     938               6 :             t_conf.evictions_low_residence_duration_metric_threshold = Some(parse_toml_duration(
     939               6 :                 "evictions_low_residence_duration_metric_threshold",
     940               6 :                 item,
     941               6 :             )?);
     942            1106 :         }
     943                 : 
     944            1112 :         if let Some(gc_feedback) = item.get("gc_feedback") {
     945                 :             t_conf.gc_feedback = Some(
     946 UBC           0 :                 gc_feedback
     947               0 :                     .as_bool()
     948               0 :                     .with_context(|| "configure option gc_feedback is not a bool".to_string())?,
     949                 :             );
     950 CBC        1112 :         }
     951                 : 
     952            1112 :         Ok(t_conf)
     953            1112 :     }
     954                 : 
     955                 :     #[cfg(test)]
     956              47 :     pub fn test_repo_dir(test_name: &str) -> Utf8PathBuf {
     957              47 :         Utf8PathBuf::from(format!("../tmp_check/test_{test_name}"))
     958              47 :     }
     959                 : 
     960              44 :     pub fn dummy_conf(repo_dir: Utf8PathBuf) -> Self {
     961              44 :         let pg_distrib_dir = Utf8PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../pg_install");
     962              44 : 
     963              44 :         PageServerConf {
     964              44 :             id: NodeId(0),
     965              44 :             wait_lsn_timeout: Duration::from_secs(60),
     966              44 :             wal_redo_timeout: Duration::from_secs(60),
     967              44 :             page_cache_size: defaults::DEFAULT_PAGE_CACHE_SIZE,
     968              44 :             max_file_descriptors: defaults::DEFAULT_MAX_FILE_DESCRIPTORS,
     969              44 :             listen_pg_addr: defaults::DEFAULT_PG_LISTEN_ADDR.to_string(),
     970              44 :             listen_http_addr: defaults::DEFAULT_HTTP_LISTEN_ADDR.to_string(),
     971              44 :             availability_zone: None,
     972              44 :             superuser: "cloud_admin".to_string(),
     973              44 :             workdir: repo_dir,
     974              44 :             pg_distrib_dir,
     975              44 :             http_auth_type: AuthType::Trust,
     976              44 :             pg_auth_type: AuthType::Trust,
     977              44 :             auth_validation_public_key_path: None,
     978              44 :             remote_storage_config: None,
     979              44 :             default_tenant_conf: TenantConf::default(),
     980              44 :             broker_endpoint: storage_broker::DEFAULT_ENDPOINT.parse().unwrap(),
     981              44 :             broker_keepalive_interval: Duration::from_secs(5000),
     982              44 :             log_format: LogFormat::from_str(defaults::DEFAULT_LOG_FORMAT).unwrap(),
     983              44 :             concurrent_tenant_size_logical_size_queries: ConfigurableSemaphore::default(),
     984              44 :             eviction_task_immitated_concurrent_logical_size_queries: ConfigurableSemaphore::default(
     985              44 :             ),
     986              44 :             metric_collection_interval: Duration::from_secs(60),
     987              44 :             cached_metric_collection_interval: Duration::from_secs(60 * 60),
     988              44 :             metric_collection_endpoint: defaults::DEFAULT_METRIC_COLLECTION_ENDPOINT,
     989              44 :             synthetic_size_calculation_interval: Duration::from_secs(60),
     990              44 :             disk_usage_based_eviction: None,
     991              44 :             test_remote_failures: 0,
     992              44 :             ondemand_download_behavior_treat_error_as_warn: false,
     993              44 :             background_task_maximum_delay: Duration::ZERO,
     994              44 :             control_plane_api: None,
     995              44 :             control_plane_api_token: None,
     996              44 :             control_plane_emergency_mode: false,
     997              44 :         }
     998              44 :     }
     999                 : }
    1000                 : 
    1001                 : // Helper functions to parse a toml Item
    1002                 : 
    1003            3757 : fn parse_toml_string(name: &str, item: &Item) -> Result<String> {
    1004            3757 :     let s = item
    1005            3757 :         .as_str()
    1006            3757 :         .with_context(|| format!("configure option {name} is not a string"))?;
    1007            3757 :     Ok(s.to_string())
    1008            3757 : }
    1009                 : 
    1010            1226 : fn parse_toml_u64(name: &str, item: &Item) -> Result<u64> {
    1011                 :     // A toml integer is signed, so it cannot represent the full range of an u64. That's OK
    1012                 :     // for our use, though.
    1013            1226 :     let i: i64 = item
    1014            1226 :         .as_integer()
    1015            1226 :         .with_context(|| format!("configure option {name} is not an integer"))?;
    1016            1226 :     if i < 0 {
    1017 UBC           0 :         bail!("configure option {name} cannot be negative");
    1018 CBC        1226 :     }
    1019            1226 :     Ok(i as u64)
    1020            1226 : }
    1021                 : 
    1022               1 : fn parse_toml_bool(name: &str, item: &Item) -> Result<bool> {
    1023               1 :     item.as_bool()
    1024               1 :         .with_context(|| format!("configure option {name} is not a bool"))
    1025               1 : }
    1026                 : 
    1027             248 : fn parse_toml_duration(name: &str, item: &Item) -> Result<Duration> {
    1028             248 :     let s = item
    1029             248 :         .as_str()
    1030             248 :         .with_context(|| format!("configure option {name} is not a string"))?;
    1031                 : 
    1032             248 :     Ok(humantime::parse_duration(s)?)
    1033             248 : }
    1034                 : 
    1035            1818 : fn parse_toml_from_str<T>(name: &str, item: &Item) -> anyhow::Result<T>
    1036            1818 : where
    1037            1818 :     T: FromStr,
    1038            1818 :     <T as FromStr>::Err: std::fmt::Display,
    1039            1818 : {
    1040            1818 :     let v = item
    1041            1818 :         .as_str()
    1042            1818 :         .with_context(|| format!("configure option {name} is not a string"))?;
    1043            1818 :     T::from_str(v).map_err(|e| {
    1044 UBC           0 :         anyhow!(
    1045               0 :             "Failed to parse string as {parse_type} for configure option {name}: {e}",
    1046               0 :             parse_type = stringify!(T)
    1047               0 :         )
    1048 CBC        1818 :     })
    1049            1818 : }
    1050                 : 
    1051              13 : fn deserialize_from_item<T>(name: &str, item: &Item) -> anyhow::Result<T>
    1052              13 : where
    1053              13 :     T: serde::de::DeserializeOwned,
    1054              13 : {
    1055                 :     // ValueDeserializer::new is not public, so use the ValueDeserializer's documented way
    1056              13 :     let deserializer = match item.clone().into_value() {
    1057              13 :         Ok(value) => value.into_deserializer(),
    1058 UBC           0 :         Err(item) => anyhow::bail!("toml_edit::Item '{item}' is not a toml_edit::Value"),
    1059                 :     };
    1060 CBC          13 :     T::deserialize(deserializer).with_context(|| format!("deserializing item for node {name}"))
    1061              13 : }
    1062                 : 
    1063                 : /// Configurable semaphore permits setting.
    1064                 : ///
    1065                 : /// Does not allow semaphore permits to be zero, because at runtime initially zero permits and empty
    1066                 : /// semaphore cannot be distinguished, leading any feature using these to await forever (or until
    1067                 : /// new permits are added).
    1068 UBC           0 : #[derive(Debug, Clone)]
    1069                 : pub struct ConfigurableSemaphore {
    1070                 :     initial_permits: NonZeroUsize,
    1071                 :     inner: std::sync::Arc<tokio::sync::Semaphore>,
    1072                 : }
    1073                 : 
    1074                 : impl ConfigurableSemaphore {
    1075                 :     pub const DEFAULT_INITIAL: NonZeroUsize = match NonZeroUsize::new(1) {
    1076                 :         Some(x) => x,
    1077                 :         None => panic!("const unwrap is not yet stable"),
    1078                 :     };
    1079                 : 
    1080                 :     /// Initializse using a non-zero amount of permits.
    1081                 :     ///
    1082                 :     /// Require a non-zero initial permits, because using permits == 0 is a crude way to disable a
    1083                 :     /// feature such as [`Tenant::gather_size_inputs`]. Otherwise any semaphore using future will
    1084                 :     /// behave like [`futures::future::pending`], just waiting until new permits are added.
    1085                 :     ///
    1086                 :     /// [`Tenant::gather_size_inputs`]: crate::tenant::Tenant::gather_size_inputs
    1087 CBC        1928 :     pub fn new(initial_permits: NonZeroUsize) -> Self {
    1088            1928 :         ConfigurableSemaphore {
    1089            1928 :             initial_permits,
    1090            1928 :             inner: std::sync::Arc::new(tokio::sync::Semaphore::new(initial_permits.get())),
    1091            1928 :         }
    1092            1928 :     }
    1093                 : 
    1094                 :     /// Returns the configured amount of permits.
    1095 UBC           0 :     pub fn initial_permits(&self) -> NonZeroUsize {
    1096               0 :         self.initial_permits
    1097               0 :     }
    1098                 : }
    1099                 : 
    1100                 : impl Default for ConfigurableSemaphore {
    1101 CBC          92 :     fn default() -> Self {
    1102              92 :         Self::new(Self::DEFAULT_INITIAL)
    1103              92 :     }
    1104                 : }
    1105                 : 
    1106                 : impl PartialEq for ConfigurableSemaphore {
    1107               4 :     fn eq(&self, other: &Self) -> bool {
    1108               4 :         // the number of permits can be increased at runtime, so we cannot really fulfill the
    1109               4 :         // PartialEq value equality otherwise
    1110               4 :         self.initial_permits == other.initial_permits
    1111               4 :     }
    1112                 : }
    1113                 : 
    1114                 : impl Eq for ConfigurableSemaphore {}
    1115                 : 
    1116                 : impl ConfigurableSemaphore {
    1117              78 :     pub fn inner(&self) -> &std::sync::Arc<tokio::sync::Semaphore> {
    1118              78 :         &self.inner
    1119              78 :     }
    1120                 : }
    1121                 : 
    1122                 : #[cfg(test)]
    1123                 : mod tests {
    1124                 :     use std::{
    1125                 :         fs,
    1126                 :         num::{NonZeroU32, NonZeroUsize},
    1127                 :     };
    1128                 : 
    1129                 :     use camino_tempfile::{tempdir, Utf8TempDir};
    1130                 :     use remote_storage::{RemoteStorageKind, S3Config};
    1131                 :     use utils::serde_percent::Percent;
    1132                 : 
    1133                 :     use super::*;
    1134                 :     use crate::{tenant::config::EvictionPolicy, DEFAULT_PG_VERSION};
    1135                 : 
    1136                 :     const ALL_BASE_VALUES_TOML: &str = r#"
    1137                 : # Initial configuration file created by 'pageserver --init'
    1138                 : 
    1139                 : listen_pg_addr = '127.0.0.1:64000'
    1140                 : listen_http_addr = '127.0.0.1:9898'
    1141                 : 
    1142                 : wait_lsn_timeout = '111 s'
    1143                 : wal_redo_timeout = '111 s'
    1144                 : 
    1145                 : page_cache_size = 444
    1146                 : max_file_descriptors = 333
    1147                 : 
    1148                 : # initial superuser role name to use when creating a new tenant
    1149                 : initial_superuser_name = 'zzzz'
    1150                 : id = 10
    1151                 : 
    1152                 : metric_collection_interval = '222 s'
    1153                 : cached_metric_collection_interval = '22200 s'
    1154                 : metric_collection_endpoint = 'http://localhost:80/metrics'
    1155                 : synthetic_size_calculation_interval = '333 s'
    1156                 : 
    1157                 : log_format = 'json'
    1158                 : background_task_maximum_delay = '334 s'
    1159                 : 
    1160                 : "#;
    1161                 : 
    1162               1 :     #[test]
    1163               1 :     fn parse_defaults() -> anyhow::Result<()> {
    1164               1 :         let tempdir = tempdir()?;
    1165               1 :         let (workdir, pg_distrib_dir) = prepare_fs(&tempdir)?;
    1166               1 :         let broker_endpoint = storage_broker::DEFAULT_ENDPOINT;
    1167               1 :         // we have to create dummy values to overcome the validation errors
    1168               1 :         let config_string = format!(
    1169               1 :             "pg_distrib_dir='{pg_distrib_dir}'\nid=10\nbroker_endpoint = '{broker_endpoint}'",
    1170               1 :         );
    1171               1 :         let toml = config_string.parse()?;
    1172                 : 
    1173               1 :         let parsed_config = PageServerConf::parse_and_validate(&toml, &workdir)
    1174               1 :             .unwrap_or_else(|e| panic!("Failed to parse config '{config_string}', reason: {e:?}"));
    1175               1 : 
    1176               1 :         assert_eq!(
    1177               1 :             parsed_config,
    1178               1 :             PageServerConf {
    1179               1 :                 id: NodeId(10),
    1180               1 :                 listen_pg_addr: defaults::DEFAULT_PG_LISTEN_ADDR.to_string(),
    1181               1 :                 listen_http_addr: defaults::DEFAULT_HTTP_LISTEN_ADDR.to_string(),
    1182               1 :                 availability_zone: None,
    1183               1 :                 wait_lsn_timeout: humantime::parse_duration(defaults::DEFAULT_WAIT_LSN_TIMEOUT)?,
    1184               1 :                 wal_redo_timeout: humantime::parse_duration(defaults::DEFAULT_WAL_REDO_TIMEOUT)?,
    1185               1 :                 superuser: defaults::DEFAULT_SUPERUSER.to_string(),
    1186               1 :                 page_cache_size: defaults::DEFAULT_PAGE_CACHE_SIZE,
    1187               1 :                 max_file_descriptors: defaults::DEFAULT_MAX_FILE_DESCRIPTORS,
    1188               1 :                 workdir,
    1189               1 :                 pg_distrib_dir,
    1190               1 :                 http_auth_type: AuthType::Trust,
    1191               1 :                 pg_auth_type: AuthType::Trust,
    1192               1 :                 auth_validation_public_key_path: None,
    1193               1 :                 remote_storage_config: None,
    1194               1 :                 default_tenant_conf: TenantConf::default(),
    1195               1 :                 broker_endpoint: storage_broker::DEFAULT_ENDPOINT.parse().unwrap(),
    1196               1 :                 broker_keepalive_interval: humantime::parse_duration(
    1197               1 :                     storage_broker::DEFAULT_KEEPALIVE_INTERVAL
    1198               1 :                 )?,
    1199               1 :                 log_format: LogFormat::from_str(defaults::DEFAULT_LOG_FORMAT).unwrap(),
    1200               1 :                 concurrent_tenant_size_logical_size_queries: ConfigurableSemaphore::default(),
    1201               1 :                 eviction_task_immitated_concurrent_logical_size_queries:
    1202               1 :                     ConfigurableSemaphore::default(),
    1203               1 :                 metric_collection_interval: humantime::parse_duration(
    1204               1 :                     defaults::DEFAULT_METRIC_COLLECTION_INTERVAL
    1205               1 :                 )?,
    1206               1 :                 cached_metric_collection_interval: humantime::parse_duration(
    1207               1 :                     defaults::DEFAULT_CACHED_METRIC_COLLECTION_INTERVAL
    1208               1 :                 )?,
    1209               1 :                 metric_collection_endpoint: defaults::DEFAULT_METRIC_COLLECTION_ENDPOINT,
    1210               1 :                 synthetic_size_calculation_interval: humantime::parse_duration(
    1211               1 :                     defaults::DEFAULT_SYNTHETIC_SIZE_CALCULATION_INTERVAL
    1212               1 :                 )?,
    1213               1 :                 disk_usage_based_eviction: None,
    1214               1 :                 test_remote_failures: 0,
    1215               1 :                 ondemand_download_behavior_treat_error_as_warn: false,
    1216               1 :                 background_task_maximum_delay: humantime::parse_duration(
    1217               1 :                     defaults::DEFAULT_BACKGROUND_TASK_MAXIMUM_DELAY
    1218               1 :                 )?,
    1219               1 :                 control_plane_api: None,
    1220               1 :                 control_plane_api_token: None,
    1221                 :                 control_plane_emergency_mode: false
    1222                 :             },
    1223 UBC           0 :             "Correct defaults should be used when no config values are provided"
    1224                 :         );
    1225                 : 
    1226 CBC           1 :         Ok(())
    1227               1 :     }
    1228                 : 
    1229               1 :     #[test]
    1230               1 :     fn parse_basic_config() -> anyhow::Result<()> {
    1231               1 :         let tempdir = tempdir()?;
    1232               1 :         let (workdir, pg_distrib_dir) = prepare_fs(&tempdir)?;
    1233               1 :         let broker_endpoint = storage_broker::DEFAULT_ENDPOINT;
    1234               1 : 
    1235               1 :         let config_string = format!(
    1236               1 :             "{ALL_BASE_VALUES_TOML}pg_distrib_dir='{pg_distrib_dir}'\nbroker_endpoint = '{broker_endpoint}'",
    1237               1 :         );
    1238               1 :         let toml = config_string.parse()?;
    1239                 : 
    1240               1 :         let parsed_config = PageServerConf::parse_and_validate(&toml, &workdir)
    1241               1 :             .unwrap_or_else(|e| panic!("Failed to parse config '{config_string}', reason: {e:?}"));
    1242               1 : 
    1243               1 :         assert_eq!(
    1244               1 :             parsed_config,
    1245               1 :             PageServerConf {
    1246               1 :                 id: NodeId(10),
    1247               1 :                 listen_pg_addr: "127.0.0.1:64000".to_string(),
    1248               1 :                 listen_http_addr: "127.0.0.1:9898".to_string(),
    1249               1 :                 availability_zone: None,
    1250               1 :                 wait_lsn_timeout: Duration::from_secs(111),
    1251               1 :                 wal_redo_timeout: Duration::from_secs(111),
    1252               1 :                 superuser: "zzzz".to_string(),
    1253               1 :                 page_cache_size: 444,
    1254               1 :                 max_file_descriptors: 333,
    1255               1 :                 workdir,
    1256               1 :                 pg_distrib_dir,
    1257               1 :                 http_auth_type: AuthType::Trust,
    1258               1 :                 pg_auth_type: AuthType::Trust,
    1259               1 :                 auth_validation_public_key_path: None,
    1260               1 :                 remote_storage_config: None,
    1261               1 :                 default_tenant_conf: TenantConf::default(),
    1262               1 :                 broker_endpoint: storage_broker::DEFAULT_ENDPOINT.parse().unwrap(),
    1263               1 :                 broker_keepalive_interval: Duration::from_secs(5),
    1264               1 :                 log_format: LogFormat::Json,
    1265               1 :                 concurrent_tenant_size_logical_size_queries: ConfigurableSemaphore::default(),
    1266               1 :                 eviction_task_immitated_concurrent_logical_size_queries:
    1267               1 :                     ConfigurableSemaphore::default(),
    1268               1 :                 metric_collection_interval: Duration::from_secs(222),
    1269               1 :                 cached_metric_collection_interval: Duration::from_secs(22200),
    1270               1 :                 metric_collection_endpoint: Some(Url::parse("http://localhost:80/metrics")?),
    1271               1 :                 synthetic_size_calculation_interval: Duration::from_secs(333),
    1272               1 :                 disk_usage_based_eviction: None,
    1273               1 :                 test_remote_failures: 0,
    1274               1 :                 ondemand_download_behavior_treat_error_as_warn: false,
    1275               1 :                 background_task_maximum_delay: Duration::from_secs(334),
    1276               1 :                 control_plane_api: None,
    1277               1 :                 control_plane_api_token: None,
    1278                 :                 control_plane_emergency_mode: false
    1279                 :             },
    1280 UBC           0 :             "Should be able to parse all basic config values correctly"
    1281                 :         );
    1282                 : 
    1283 CBC           1 :         Ok(())
    1284               1 :     }
    1285                 : 
    1286               1 :     #[test]
    1287               1 :     fn parse_remote_fs_storage_config() -> anyhow::Result<()> {
    1288               1 :         let tempdir = tempdir()?;
    1289               1 :         let (workdir, pg_distrib_dir) = prepare_fs(&tempdir)?;
    1290               1 :         let broker_endpoint = "http://127.0.0.1:7777";
    1291               1 : 
    1292               1 :         let local_storage_path = tempdir.path().join("local_remote_storage");
    1293               1 : 
    1294               1 :         let identical_toml_declarations = &[
    1295               1 :             format!(
    1296               1 :                 r#"[remote_storage]
    1297               1 : local_path = '{local_storage_path}'"#,
    1298               1 :             ),
    1299               1 :             format!("remote_storage={{local_path='{local_storage_path}'}}"),
    1300               1 :         ];
    1301                 : 
    1302               3 :         for remote_storage_config_str in identical_toml_declarations {
    1303               2 :             let config_string = format!(
    1304               2 :                 r#"{ALL_BASE_VALUES_TOML}
    1305               2 : pg_distrib_dir='{pg_distrib_dir}'
    1306               2 : broker_endpoint = '{broker_endpoint}'
    1307               2 : 
    1308               2 : {remote_storage_config_str}"#,
    1309               2 :             );
    1310                 : 
    1311               2 :             let toml = config_string.parse()?;
    1312                 : 
    1313               2 :             let parsed_remote_storage_config = PageServerConf::parse_and_validate(&toml, &workdir)
    1314               2 :                 .unwrap_or_else(|e| {
    1315 UBC           0 :                     panic!("Failed to parse config '{config_string}', reason: {e:?}")
    1316 CBC           2 :                 })
    1317               2 :                 .remote_storage_config
    1318               2 :                 .expect("Should have remote storage config for the local FS");
    1319               2 : 
    1320               2 :             assert_eq!(
    1321               2 :                 parsed_remote_storage_config,
    1322               2 :                 RemoteStorageConfig {
    1323               2 :                     max_concurrent_syncs: NonZeroUsize::new(
    1324               2 :                         remote_storage::DEFAULT_REMOTE_STORAGE_MAX_CONCURRENT_SYNCS
    1325               2 :                     )
    1326               2 :                         .unwrap(),
    1327               2 :                     max_sync_errors: NonZeroU32::new(remote_storage::DEFAULT_REMOTE_STORAGE_MAX_SYNC_ERRORS)
    1328               2 :                         .unwrap(),
    1329               2 :                     storage: RemoteStorageKind::LocalFs(local_storage_path.clone()),
    1330               2 :                 },
    1331 UBC           0 :                 "Remote storage config should correctly parse the local FS config and fill other storage defaults"
    1332                 :             );
    1333                 :         }
    1334 CBC           1 :         Ok(())
    1335               1 :     }
    1336                 : 
    1337               1 :     #[test]
    1338               1 :     fn parse_remote_s3_storage_config() -> anyhow::Result<()> {
    1339               1 :         let tempdir = tempdir()?;
    1340               1 :         let (workdir, pg_distrib_dir) = prepare_fs(&tempdir)?;
    1341                 : 
    1342               1 :         let bucket_name = "some-sample-bucket".to_string();
    1343               1 :         let bucket_region = "eu-north-1".to_string();
    1344               1 :         let prefix_in_bucket = "test_prefix".to_string();
    1345               1 :         let endpoint = "http://localhost:5000".to_string();
    1346               1 :         let max_concurrent_syncs = NonZeroUsize::new(111).unwrap();
    1347               1 :         let max_sync_errors = NonZeroU32::new(222).unwrap();
    1348               1 :         let s3_concurrency_limit = NonZeroUsize::new(333).unwrap();
    1349               1 :         let broker_endpoint = "http://127.0.0.1:7777";
    1350               1 : 
    1351               1 :         let identical_toml_declarations = &[
    1352               1 :             format!(
    1353               1 :                 r#"[remote_storage]
    1354               1 : max_concurrent_syncs = {max_concurrent_syncs}
    1355               1 : max_sync_errors = {max_sync_errors}
    1356               1 : bucket_name = '{bucket_name}'
    1357               1 : bucket_region = '{bucket_region}'
    1358               1 : prefix_in_bucket = '{prefix_in_bucket}'
    1359               1 : endpoint = '{endpoint}'
    1360               1 : concurrency_limit = {s3_concurrency_limit}"#
    1361               1 :             ),
    1362               1 :             format!(
    1363               1 :                 "remote_storage={{max_concurrent_syncs={max_concurrent_syncs}, max_sync_errors={max_sync_errors}, bucket_name='{bucket_name}',\
    1364               1 :                 bucket_region='{bucket_region}', prefix_in_bucket='{prefix_in_bucket}', endpoint='{endpoint}', concurrency_limit={s3_concurrency_limit}}}",
    1365               1 :             ),
    1366               1 :         ];
    1367                 : 
    1368               3 :         for remote_storage_config_str in identical_toml_declarations {
    1369               2 :             let config_string = format!(
    1370               2 :                 r#"{ALL_BASE_VALUES_TOML}
    1371               2 : pg_distrib_dir='{pg_distrib_dir}'
    1372               2 : broker_endpoint = '{broker_endpoint}'
    1373               2 : 
    1374               2 : {remote_storage_config_str}"#,
    1375               2 :             );
    1376                 : 
    1377               2 :             let toml = config_string.parse()?;
    1378                 : 
    1379               2 :             let parsed_remote_storage_config = PageServerConf::parse_and_validate(&toml, &workdir)
    1380               2 :                 .unwrap_or_else(|e| {
    1381 UBC           0 :                     panic!("Failed to parse config '{config_string}', reason: {e:?}")
    1382 CBC           2 :                 })
    1383               2 :                 .remote_storage_config
    1384               2 :                 .expect("Should have remote storage config for S3");
    1385               2 : 
    1386               2 :             assert_eq!(
    1387               2 :                 parsed_remote_storage_config,
    1388               2 :                 RemoteStorageConfig {
    1389               2 :                     max_concurrent_syncs,
    1390               2 :                     max_sync_errors,
    1391               2 :                     storage: RemoteStorageKind::AwsS3(S3Config {
    1392               2 :                         bucket_name: bucket_name.clone(),
    1393               2 :                         bucket_region: bucket_region.clone(),
    1394               2 :                         prefix_in_bucket: Some(prefix_in_bucket.clone()),
    1395               2 :                         endpoint: Some(endpoint.clone()),
    1396               2 :                         concurrency_limit: s3_concurrency_limit,
    1397               2 :                         max_keys_per_list_response: None,
    1398               2 :                     }),
    1399               2 :                 },
    1400 UBC           0 :                 "Remote storage config should correctly parse the S3 config"
    1401                 :             );
    1402                 :         }
    1403 CBC           1 :         Ok(())
    1404               1 :     }
    1405                 : 
    1406               1 :     #[test]
    1407               1 :     fn parse_tenant_config() -> anyhow::Result<()> {
    1408               1 :         let tempdir = tempdir()?;
    1409               1 :         let (workdir, pg_distrib_dir) = prepare_fs(&tempdir)?;
    1410                 : 
    1411               1 :         let broker_endpoint = "http://127.0.0.1:7777";
    1412               1 :         let trace_read_requests = true;
    1413               1 : 
    1414               1 :         let config_string = format!(
    1415               1 :             r#"{ALL_BASE_VALUES_TOML}
    1416               1 : pg_distrib_dir='{pg_distrib_dir}'
    1417               1 : broker_endpoint = '{broker_endpoint}'
    1418               1 : 
    1419               1 : [tenant_config]
    1420               1 : trace_read_requests = {trace_read_requests}"#,
    1421               1 :         );
    1422                 : 
    1423               1 :         let toml = config_string.parse()?;
    1424                 : 
    1425               1 :         let conf = PageServerConf::parse_and_validate(&toml, &workdir)?;
    1426               1 :         assert_eq!(
    1427                 :             conf.default_tenant_conf.trace_read_requests, trace_read_requests,
    1428 UBC           0 :             "Tenant config from pageserver config file should be parsed and udpated values used as defaults for all tenants",
    1429                 :         );
    1430                 : 
    1431 CBC           1 :         Ok(())
    1432               1 :     }
    1433                 : 
    1434               1 :     #[test]
    1435               1 :     fn eviction_pageserver_config_parse() -> anyhow::Result<()> {
    1436               1 :         let tempdir = tempdir()?;
    1437               1 :         let (workdir, pg_distrib_dir) = prepare_fs(&tempdir)?;
    1438                 : 
    1439               1 :         let pageserver_conf_toml = format!(
    1440               1 :             r#"pg_distrib_dir = "{pg_distrib_dir}"
    1441               1 : metric_collection_endpoint = "http://sample.url"
    1442               1 : metric_collection_interval = "10min"
    1443               1 : id = 222
    1444               1 : 
    1445               1 : [disk_usage_based_eviction]
    1446               1 : max_usage_pct = 80
    1447               1 : min_avail_bytes = 0
    1448               1 : period = "10s"
    1449               1 : 
    1450               1 : [tenant_config]
    1451               1 : evictions_low_residence_duration_metric_threshold = "20m"
    1452               1 : 
    1453               1 : [tenant_config.eviction_policy]
    1454               1 : kind = "LayerAccessThreshold"
    1455               1 : period = "20m"
    1456               1 : threshold = "20m"
    1457               1 : "#,
    1458               1 :         );
    1459               1 :         let toml: Document = pageserver_conf_toml.parse()?;
    1460               1 :         let conf = PageServerConf::parse_and_validate(&toml, &workdir)?;
    1461                 : 
    1462               1 :         assert_eq!(conf.pg_distrib_dir, pg_distrib_dir);
    1463               1 :         assert_eq!(
    1464               1 :             conf.metric_collection_endpoint,
    1465               1 :             Some("http://sample.url".parse().unwrap())
    1466               1 :         );
    1467               1 :         assert_eq!(
    1468               1 :             conf.metric_collection_interval,
    1469               1 :             Duration::from_secs(10 * 60)
    1470               1 :         );
    1471               1 :         assert_eq!(
    1472               1 :             conf.default_tenant_conf
    1473               1 :                 .evictions_low_residence_duration_metric_threshold,
    1474               1 :             Duration::from_secs(20 * 60)
    1475               1 :         );
    1476               1 :         assert_eq!(conf.id, NodeId(222));
    1477               1 :         assert_eq!(
    1478               1 :             conf.disk_usage_based_eviction,
    1479               1 :             Some(DiskUsageEvictionTaskConfig {
    1480               1 :                 max_usage_pct: Percent::new(80).unwrap(),
    1481               1 :                 min_avail_bytes: 0,
    1482               1 :                 period: Duration::from_secs(10),
    1483               1 :                 #[cfg(feature = "testing")]
    1484               1 :                 mock_statvfs: None,
    1485               1 :             })
    1486               1 :         );
    1487               1 :         match &conf.default_tenant_conf.eviction_policy {
    1488 UBC           0 :             EvictionPolicy::NoEviction => panic!("Unexpected eviction opolicy tenant settings"),
    1489 CBC           1 :             EvictionPolicy::LayerAccessThreshold(eviction_thresold) => {
    1490               1 :                 assert_eq!(eviction_thresold.period, Duration::from_secs(20 * 60));
    1491               1 :                 assert_eq!(eviction_thresold.threshold, Duration::from_secs(20 * 60));
    1492                 :             }
    1493                 :         }
    1494                 : 
    1495               1 :         Ok(())
    1496               1 :     }
    1497                 : 
    1498               6 :     fn prepare_fs(tempdir: &Utf8TempDir) -> anyhow::Result<(Utf8PathBuf, Utf8PathBuf)> {
    1499               6 :         let tempdir_path = tempdir.path();
    1500               6 : 
    1501               6 :         let workdir = tempdir_path.join("workdir");
    1502               6 :         fs::create_dir_all(&workdir)?;
    1503                 : 
    1504               6 :         let pg_distrib_dir = tempdir_path.join("pg_distrib");
    1505               6 :         let pg_distrib_dir_versioned = pg_distrib_dir.join(format!("v{DEFAULT_PG_VERSION}"));
    1506               6 :         fs::create_dir_all(&pg_distrib_dir_versioned)?;
    1507               6 :         let postgres_bin_dir = pg_distrib_dir_versioned.join("bin");
    1508               6 :         fs::create_dir_all(&postgres_bin_dir)?;
    1509               6 :         fs::write(postgres_bin_dir.join("postgres"), "I'm postgres, trust me")?;
    1510                 : 
    1511               6 :         Ok((workdir, pg_distrib_dir))
    1512               6 :     }
    1513                 : }
        

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