LCOV - code coverage report
Current view: top level - storage_controller/src - http.rs (source / functions) Coverage Total Hit
Test: 691a4c28fe7169edd60b367c52d448a0a6605f1f.info Lines: 0.0 % 709 0
Test Date: 2024-05-10 13:18:37 Functions: 0.0 % 255 0

            Line data    Source code
       1              : use crate::metrics::{
       2              :     HttpRequestLatencyLabelGroup, HttpRequestStatusLabelGroup, PageserverRequestLabelGroup,
       3              :     METRICS_REGISTRY,
       4              : };
       5              : use crate::reconciler::ReconcileError;
       6              : use crate::service::{Service, STARTUP_RECONCILE_TIMEOUT};
       7              : use anyhow::Context;
       8              : use futures::Future;
       9              : use hyper::header::CONTENT_TYPE;
      10              : use hyper::{Body, Request, Response};
      11              : use hyper::{StatusCode, Uri};
      12              : use metrics::{BuildInfo, NeonMetrics};
      13              : use pageserver_api::models::{
      14              :     TenantConfigRequest, TenantCreateRequest, TenantLocationConfigRequest, TenantShardSplitRequest,
      15              :     TenantTimeTravelRequest, TimelineCreateRequest,
      16              : };
      17              : use pageserver_api::shard::TenantShardId;
      18              : use pageserver_client::mgmt_api;
      19              : use std::sync::Arc;
      20              : use std::time::{Duration, Instant};
      21              : use tokio_util::sync::CancellationToken;
      22              : use utils::auth::{Scope, SwappableJwtAuth};
      23              : use utils::failpoint_support::failpoints_handler;
      24              : use utils::http::endpoint::{auth_middleware, check_permission_with, request_span};
      25              : use utils::http::request::{must_get_query_param, parse_query_param, parse_request_param};
      26              : use utils::id::{TenantId, TimelineId};
      27              : 
      28              : use utils::{
      29              :     http::{
      30              :         endpoint::{self},
      31              :         error::ApiError,
      32              :         json::{json_request, json_response},
      33              :         RequestExt, RouterBuilder,
      34              :     },
      35              :     id::NodeId,
      36              : };
      37              : 
      38              : use pageserver_api::controller_api::{
      39              :     NodeAvailability, NodeConfigureRequest, NodeRegisterRequest, TenantPolicyRequest,
      40              :     TenantShardMigrateRequest,
      41              : };
      42              : use pageserver_api::upcall_api::{ReAttachRequest, ValidateRequest};
      43              : 
      44              : use control_plane::storage_controller::{AttachHookRequest, InspectRequest};
      45              : 
      46              : use routerify::Middleware;
      47              : 
      48              : /// State available to HTTP request handlers
      49              : pub struct HttpState {
      50              :     service: Arc<crate::service::Service>,
      51              :     auth: Option<Arc<SwappableJwtAuth>>,
      52              :     neon_metrics: NeonMetrics,
      53              :     allowlist_routes: Vec<Uri>,
      54              : }
      55              : 
      56              : impl HttpState {
      57            0 :     pub fn new(
      58            0 :         service: Arc<crate::service::Service>,
      59            0 :         auth: Option<Arc<SwappableJwtAuth>>,
      60            0 :         build_info: BuildInfo,
      61            0 :     ) -> Self {
      62            0 :         let allowlist_routes = ["/status", "/ready", "/metrics"]
      63            0 :             .iter()
      64            0 :             .map(|v| v.parse().unwrap())
      65            0 :             .collect::<Vec<_>>();
      66            0 :         Self {
      67            0 :             service,
      68            0 :             auth,
      69            0 :             neon_metrics: NeonMetrics::new(build_info),
      70            0 :             allowlist_routes,
      71            0 :         }
      72            0 :     }
      73              : }
      74              : 
      75              : #[inline(always)]
      76            0 : fn get_state(request: &Request<Body>) -> &HttpState {
      77            0 :     request
      78            0 :         .data::<Arc<HttpState>>()
      79            0 :         .expect("unknown state type")
      80            0 :         .as_ref()
      81            0 : }
      82              : 
      83              : /// Pageserver calls into this on startup, to learn which tenants it should attach
      84            0 : async fn handle_re_attach(mut req: Request<Body>) -> Result<Response<Body>, ApiError> {
      85            0 :     check_permissions(&req, Scope::GenerationsApi)?;
      86              : 
      87            0 :     let reattach_req = json_request::<ReAttachRequest>(&mut req).await?;
      88            0 :     let state = get_state(&req);
      89            0 :     json_response(StatusCode::OK, state.service.re_attach(reattach_req).await?)
      90            0 : }
      91              : 
      92              : /// Pageserver calls into this before doing deletions, to confirm that it still
      93              : /// holds the latest generation for the tenants with deletions enqueued
      94            0 : async fn handle_validate(mut req: Request<Body>) -> Result<Response<Body>, ApiError> {
      95            0 :     check_permissions(&req, Scope::GenerationsApi)?;
      96              : 
      97            0 :     let validate_req = json_request::<ValidateRequest>(&mut req).await?;
      98            0 :     let state = get_state(&req);
      99            0 :     json_response(StatusCode::OK, state.service.validate(validate_req))
     100            0 : }
     101              : 
     102              : /// Call into this before attaching a tenant to a pageserver, to acquire a generation number
     103              : /// (in the real control plane this is unnecessary, because the same program is managing
     104              : ///  generation numbers and doing attachments).
     105            0 : async fn handle_attach_hook(mut req: Request<Body>) -> Result<Response<Body>, ApiError> {
     106            0 :     check_permissions(&req, Scope::Admin)?;
     107              : 
     108            0 :     let attach_req = json_request::<AttachHookRequest>(&mut req).await?;
     109            0 :     let state = get_state(&req);
     110            0 : 
     111            0 :     json_response(
     112            0 :         StatusCode::OK,
     113            0 :         state
     114            0 :             .service
     115            0 :             .attach_hook(attach_req)
     116            0 :             .await
     117            0 :             .map_err(ApiError::InternalServerError)?,
     118              :     )
     119            0 : }
     120              : 
     121            0 : async fn handle_inspect(mut req: Request<Body>) -> Result<Response<Body>, ApiError> {
     122            0 :     check_permissions(&req, Scope::Admin)?;
     123              : 
     124            0 :     let inspect_req = json_request::<InspectRequest>(&mut req).await?;
     125              : 
     126            0 :     let state = get_state(&req);
     127            0 : 
     128            0 :     json_response(StatusCode::OK, state.service.inspect(inspect_req))
     129            0 : }
     130              : 
     131            0 : async fn handle_tenant_create(
     132            0 :     service: Arc<Service>,
     133            0 :     mut req: Request<Body>,
     134            0 : ) -> Result<Response<Body>, ApiError> {
     135            0 :     check_permissions(&req, Scope::PageServerApi)?;
     136              : 
     137            0 :     let create_req = json_request::<TenantCreateRequest>(&mut req).await?;
     138              : 
     139              :     json_response(
     140              :         StatusCode::CREATED,
     141            0 :         service.tenant_create(create_req).await?,
     142              :     )
     143            0 : }
     144              : 
     145              : // For tenant and timeline deletions, which both implement an "initially return 202, then 404 once
     146              : // we're done" semantic, we wrap with a retry loop to expose a simpler API upstream.  This avoids
     147              : // needing to track a "deleting" state for tenants.
     148            0 : async fn deletion_wrapper<R, F>(service: Arc<Service>, f: F) -> Result<Response<Body>, ApiError>
     149            0 : where
     150            0 :     R: std::future::Future<Output = Result<StatusCode, ApiError>> + Send + 'static,
     151            0 :     F: Fn(Arc<Service>) -> R + Send + Sync + 'static,
     152            0 : {
     153            0 :     let started_at = Instant::now();
     154            0 :     // To keep deletion reasonably snappy for small tenants, initially check after 1 second if deletion
     155            0 :     // completed.
     156            0 :     let mut retry_period = Duration::from_secs(1);
     157            0 :     // On subsequent retries, wait longer.
     158            0 :     let max_retry_period = Duration::from_secs(5);
     159            0 :     // Enable callers with a 30 second request timeout to reliably get a response
     160            0 :     let max_wait = Duration::from_secs(25);
     161              : 
     162              :     loop {
     163            0 :         let status = f(service.clone()).await?;
     164            0 :         match status {
     165              :             StatusCode::ACCEPTED => {
     166            0 :                 tracing::info!("Deletion accepted, waiting to try again...");
     167            0 :                 tokio::time::sleep(retry_period).await;
     168            0 :                 retry_period = max_retry_period;
     169              :             }
     170              :             StatusCode::NOT_FOUND => {
     171            0 :                 tracing::info!("Deletion complete");
     172            0 :                 return json_response(StatusCode::OK, ());
     173              :             }
     174              :             _ => {
     175            0 :                 tracing::warn!("Unexpected status {status}");
     176            0 :                 return json_response(status, ());
     177              :             }
     178              :         }
     179              : 
     180            0 :         let now = Instant::now();
     181            0 :         if now + retry_period > started_at + max_wait {
     182            0 :             tracing::info!("Deletion timed out waiting for 404");
     183              :             // REQUEST_TIMEOUT would be more appropriate, but CONFLICT is already part of
     184              :             // the pageserver's swagger definition for this endpoint, and has the same desired
     185              :             // effect of causing the control plane to retry later.
     186            0 :             return json_response(StatusCode::CONFLICT, ());
     187            0 :         }
     188              :     }
     189            0 : }
     190              : 
     191            0 : async fn handle_tenant_location_config(
     192            0 :     service: Arc<Service>,
     193            0 :     mut req: Request<Body>,
     194            0 : ) -> Result<Response<Body>, ApiError> {
     195            0 :     let tenant_shard_id: TenantShardId = parse_request_param(&req, "tenant_shard_id")?;
     196            0 :     check_permissions(&req, Scope::PageServerApi)?;
     197              : 
     198            0 :     let config_req = json_request::<TenantLocationConfigRequest>(&mut req).await?;
     199              :     json_response(
     200              :         StatusCode::OK,
     201            0 :         service
     202            0 :             .tenant_location_config(tenant_shard_id, config_req)
     203            0 :             .await?,
     204              :     )
     205            0 : }
     206              : 
     207            0 : async fn handle_tenant_config_set(
     208            0 :     service: Arc<Service>,
     209            0 :     mut req: Request<Body>,
     210            0 : ) -> Result<Response<Body>, ApiError> {
     211            0 :     check_permissions(&req, Scope::PageServerApi)?;
     212              : 
     213            0 :     let config_req = json_request::<TenantConfigRequest>(&mut req).await?;
     214              : 
     215            0 :     json_response(StatusCode::OK, service.tenant_config_set(config_req).await?)
     216            0 : }
     217              : 
     218            0 : async fn handle_tenant_config_get(
     219            0 :     service: Arc<Service>,
     220            0 :     req: Request<Body>,
     221            0 : ) -> Result<Response<Body>, ApiError> {
     222            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     223            0 :     check_permissions(&req, Scope::PageServerApi)?;
     224              : 
     225            0 :     json_response(StatusCode::OK, service.tenant_config_get(tenant_id)?)
     226            0 : }
     227              : 
     228            0 : async fn handle_tenant_time_travel_remote_storage(
     229            0 :     service: Arc<Service>,
     230            0 :     mut req: Request<Body>,
     231            0 : ) -> Result<Response<Body>, ApiError> {
     232            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     233            0 :     check_permissions(&req, Scope::PageServerApi)?;
     234              : 
     235            0 :     let time_travel_req = json_request::<TenantTimeTravelRequest>(&mut req).await?;
     236              : 
     237            0 :     let timestamp_raw = must_get_query_param(&req, "travel_to")?;
     238            0 :     let _timestamp = humantime::parse_rfc3339(&timestamp_raw).map_err(|_e| {
     239            0 :         ApiError::BadRequest(anyhow::anyhow!(
     240            0 :             "Invalid time for travel_to: {timestamp_raw:?}"
     241            0 :         ))
     242            0 :     })?;
     243              : 
     244            0 :     let done_if_after_raw = must_get_query_param(&req, "done_if_after")?;
     245            0 :     let _done_if_after = humantime::parse_rfc3339(&done_if_after_raw).map_err(|_e| {
     246            0 :         ApiError::BadRequest(anyhow::anyhow!(
     247            0 :             "Invalid time for done_if_after: {done_if_after_raw:?}"
     248            0 :         ))
     249            0 :     })?;
     250              : 
     251            0 :     service
     252            0 :         .tenant_time_travel_remote_storage(
     253            0 :             &time_travel_req,
     254            0 :             tenant_id,
     255            0 :             timestamp_raw,
     256            0 :             done_if_after_raw,
     257            0 :         )
     258            0 :         .await?;
     259            0 :     json_response(StatusCode::OK, ())
     260            0 : }
     261              : 
     262            0 : fn map_reqwest_hyper_status(status: reqwest::StatusCode) -> Result<hyper::StatusCode, ApiError> {
     263            0 :     hyper::StatusCode::from_u16(status.as_u16())
     264            0 :         .context("invalid status code")
     265            0 :         .map_err(ApiError::InternalServerError)
     266            0 : }
     267              : 
     268            0 : async fn handle_tenant_secondary_download(
     269            0 :     service: Arc<Service>,
     270            0 :     req: Request<Body>,
     271            0 : ) -> Result<Response<Body>, ApiError> {
     272            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     273            0 :     let wait = parse_query_param(&req, "wait_ms")?.map(Duration::from_millis);
     274              : 
     275            0 :     let (status, progress) = service.tenant_secondary_download(tenant_id, wait).await?;
     276            0 :     json_response(map_reqwest_hyper_status(status)?, progress)
     277            0 : }
     278              : 
     279            0 : async fn handle_tenant_delete(
     280            0 :     service: Arc<Service>,
     281            0 :     req: Request<Body>,
     282            0 : ) -> Result<Response<Body>, ApiError> {
     283            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     284            0 :     check_permissions(&req, Scope::PageServerApi)?;
     285              : 
     286            0 :     deletion_wrapper(service, move |service| async move {
     287            0 :         service
     288            0 :             .tenant_delete(tenant_id)
     289            0 :             .await
     290            0 :             .and_then(map_reqwest_hyper_status)
     291            0 :     })
     292            0 :     .await
     293            0 : }
     294              : 
     295            0 : async fn handle_tenant_timeline_create(
     296            0 :     service: Arc<Service>,
     297            0 :     mut req: Request<Body>,
     298            0 : ) -> Result<Response<Body>, ApiError> {
     299            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     300            0 :     check_permissions(&req, Scope::PageServerApi)?;
     301              : 
     302            0 :     let create_req = json_request::<TimelineCreateRequest>(&mut req).await?;
     303              :     json_response(
     304              :         StatusCode::CREATED,
     305            0 :         service
     306            0 :             .tenant_timeline_create(tenant_id, create_req)
     307            0 :             .await?,
     308              :     )
     309            0 : }
     310              : 
     311            0 : async fn handle_tenant_timeline_delete(
     312            0 :     service: Arc<Service>,
     313            0 :     req: Request<Body>,
     314            0 : ) -> Result<Response<Body>, ApiError> {
     315            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     316            0 :     check_permissions(&req, Scope::PageServerApi)?;
     317              : 
     318            0 :     let timeline_id: TimelineId = parse_request_param(&req, "timeline_id")?;
     319              : 
     320            0 :     deletion_wrapper(service, move |service| async move {
     321            0 :         service
     322            0 :             .tenant_timeline_delete(tenant_id, timeline_id)
     323            0 :             .await
     324            0 :             .and_then(map_reqwest_hyper_status)
     325            0 :     })
     326            0 :     .await
     327            0 : }
     328              : 
     329            0 : async fn handle_tenant_timeline_passthrough(
     330            0 :     service: Arc<Service>,
     331            0 :     req: Request<Body>,
     332            0 : ) -> Result<Response<Body>, ApiError> {
     333            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     334            0 :     check_permissions(&req, Scope::PageServerApi)?;
     335              : 
     336            0 :     let Some(path) = req.uri().path_and_query() else {
     337              :         // This should never happen, our request router only calls us if there is a path
     338            0 :         return Err(ApiError::BadRequest(anyhow::anyhow!("Missing path")));
     339              :     };
     340              : 
     341            0 :     tracing::info!("Proxying request for tenant {} ({})", tenant_id, path);
     342              : 
     343              :     // Find the node that holds shard zero
     344            0 :     let (node, tenant_shard_id) = service.tenant_shard0_node(tenant_id)?;
     345              : 
     346              :     // Callers will always pass an unsharded tenant ID.  Before proxying, we must
     347              :     // rewrite this to a shard-aware shard zero ID.
     348            0 :     let path = format!("{}", path);
     349            0 :     let tenant_str = tenant_id.to_string();
     350            0 :     let tenant_shard_str = format!("{}", tenant_shard_id);
     351            0 :     let path = path.replace(&tenant_str, &tenant_shard_str);
     352            0 : 
     353            0 :     let latency = &METRICS_REGISTRY
     354            0 :         .metrics_group
     355            0 :         .storage_controller_passthrough_request_latency;
     356            0 : 
     357            0 :     // This is a bit awkward. We remove the param from the request
     358            0 :     // and join the words by '_' to get a label for the request.
     359            0 :     let just_path = path.replace(&tenant_shard_str, "");
     360            0 :     let path_label = just_path
     361            0 :         .split('/')
     362            0 :         .filter(|token| !token.is_empty())
     363            0 :         .collect::<Vec<_>>()
     364            0 :         .join("_");
     365            0 :     let labels = PageserverRequestLabelGroup {
     366            0 :         pageserver_id: &node.get_id().to_string(),
     367            0 :         path: &path_label,
     368            0 :         method: crate::metrics::Method::Get,
     369            0 :     };
     370            0 : 
     371            0 :     let _timer = latency.start_timer(labels.clone());
     372            0 : 
     373            0 :     let client = mgmt_api::Client::new(node.base_url(), service.get_config().jwt_token.as_deref());
     374            0 :     let resp = client.get_raw(path).await.map_err(|_e|
     375              :         // FIXME: give APiError a proper Unavailable variant.  We return 503 here because
     376              :         // if we can't successfully send a request to the pageserver, we aren't available.
     377            0 :         ApiError::ShuttingDown)?;
     378              : 
     379            0 :     if !resp.status().is_success() {
     380            0 :         let error_counter = &METRICS_REGISTRY
     381            0 :             .metrics_group
     382            0 :             .storage_controller_passthrough_request_error;
     383            0 :         error_counter.inc(labels);
     384            0 :     }
     385              : 
     386              :     // We have a reqest::Response, would like a http::Response
     387            0 :     let mut builder = hyper::Response::builder().status(map_reqwest_hyper_status(resp.status())?);
     388            0 :     for (k, v) in resp.headers() {
     389            0 :         builder = builder.header(k.as_str(), v.as_bytes());
     390            0 :     }
     391              : 
     392            0 :     let response = builder
     393            0 :         .body(Body::wrap_stream(resp.bytes_stream()))
     394            0 :         .map_err(|e| ApiError::InternalServerError(e.into()))?;
     395              : 
     396            0 :     Ok(response)
     397            0 : }
     398              : 
     399            0 : async fn handle_tenant_locate(
     400            0 :     service: Arc<Service>,
     401            0 :     req: Request<Body>,
     402            0 : ) -> Result<Response<Body>, ApiError> {
     403            0 :     check_permissions(&req, Scope::Admin)?;
     404              : 
     405            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     406            0 :     json_response(StatusCode::OK, service.tenant_locate(tenant_id)?)
     407            0 : }
     408              : 
     409            0 : async fn handle_tenant_describe(
     410            0 :     service: Arc<Service>,
     411            0 :     req: Request<Body>,
     412            0 : ) -> Result<Response<Body>, ApiError> {
     413            0 :     check_permissions(&req, Scope::Admin)?;
     414              : 
     415            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     416            0 :     json_response(StatusCode::OK, service.tenant_describe(tenant_id)?)
     417            0 : }
     418              : 
     419            0 : async fn handle_tenant_list(
     420            0 :     service: Arc<Service>,
     421            0 :     req: Request<Body>,
     422            0 : ) -> Result<Response<Body>, ApiError> {
     423            0 :     check_permissions(&req, Scope::Admin)?;
     424              : 
     425            0 :     json_response(StatusCode::OK, service.tenant_list())
     426            0 : }
     427              : 
     428            0 : async fn handle_node_register(mut req: Request<Body>) -> Result<Response<Body>, ApiError> {
     429            0 :     check_permissions(&req, Scope::Admin)?;
     430              : 
     431            0 :     let register_req = json_request::<NodeRegisterRequest>(&mut req).await?;
     432            0 :     let state = get_state(&req);
     433            0 :     state.service.node_register(register_req).await?;
     434            0 :     json_response(StatusCode::OK, ())
     435            0 : }
     436              : 
     437            0 : async fn handle_node_list(req: Request<Body>) -> Result<Response<Body>, ApiError> {
     438            0 :     check_permissions(&req, Scope::Admin)?;
     439              : 
     440            0 :     let state = get_state(&req);
     441            0 :     let nodes = state.service.node_list().await?;
     442            0 :     let api_nodes = nodes.into_iter().map(|n| n.describe()).collect::<Vec<_>>();
     443            0 : 
     444            0 :     json_response(StatusCode::OK, api_nodes)
     445            0 : }
     446              : 
     447            0 : async fn handle_node_drop(req: Request<Body>) -> Result<Response<Body>, ApiError> {
     448            0 :     check_permissions(&req, Scope::Admin)?;
     449              : 
     450            0 :     let state = get_state(&req);
     451            0 :     let node_id: NodeId = parse_request_param(&req, "node_id")?;
     452            0 :     json_response(StatusCode::OK, state.service.node_drop(node_id).await?)
     453            0 : }
     454              : 
     455            0 : async fn handle_node_configure(mut req: Request<Body>) -> Result<Response<Body>, ApiError> {
     456            0 :     check_permissions(&req, Scope::Admin)?;
     457              : 
     458            0 :     let node_id: NodeId = parse_request_param(&req, "node_id")?;
     459            0 :     let config_req = json_request::<NodeConfigureRequest>(&mut req).await?;
     460            0 :     if node_id != config_req.node_id {
     461            0 :         return Err(ApiError::BadRequest(anyhow::anyhow!(
     462            0 :             "Path and body node_id differ"
     463            0 :         )));
     464            0 :     }
     465            0 :     let state = get_state(&req);
     466            0 : 
     467            0 :     json_response(
     468            0 :         StatusCode::OK,
     469            0 :         state
     470            0 :             .service
     471            0 :             .node_configure(
     472            0 :                 config_req.node_id,
     473            0 :                 config_req.availability.map(NodeAvailability::from),
     474            0 :                 config_req.scheduling,
     475            0 :             )
     476            0 :             .await?,
     477              :     )
     478            0 : }
     479              : 
     480            0 : async fn handle_tenant_shard_split(
     481            0 :     service: Arc<Service>,
     482            0 :     mut req: Request<Body>,
     483            0 : ) -> Result<Response<Body>, ApiError> {
     484            0 :     check_permissions(&req, Scope::Admin)?;
     485              : 
     486            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     487            0 :     let split_req = json_request::<TenantShardSplitRequest>(&mut req).await?;
     488              : 
     489              :     json_response(
     490              :         StatusCode::OK,
     491            0 :         service.tenant_shard_split(tenant_id, split_req).await?,
     492              :     )
     493            0 : }
     494              : 
     495            0 : async fn handle_tenant_shard_migrate(
     496            0 :     service: Arc<Service>,
     497            0 :     mut req: Request<Body>,
     498            0 : ) -> Result<Response<Body>, ApiError> {
     499            0 :     check_permissions(&req, Scope::Admin)?;
     500              : 
     501            0 :     let tenant_shard_id: TenantShardId = parse_request_param(&req, "tenant_shard_id")?;
     502            0 :     let migrate_req = json_request::<TenantShardMigrateRequest>(&mut req).await?;
     503              :     json_response(
     504              :         StatusCode::OK,
     505            0 :         service
     506            0 :             .tenant_shard_migrate(tenant_shard_id, migrate_req)
     507            0 :             .await?,
     508              :     )
     509            0 : }
     510              : 
     511            0 : async fn handle_tenant_update_policy(mut req: Request<Body>) -> Result<Response<Body>, ApiError> {
     512            0 :     check_permissions(&req, Scope::Admin)?;
     513              : 
     514            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     515            0 :     let update_req = json_request::<TenantPolicyRequest>(&mut req).await?;
     516            0 :     let state = get_state(&req);
     517            0 : 
     518            0 :     json_response(
     519            0 :         StatusCode::OK,
     520            0 :         state
     521            0 :             .service
     522            0 :             .tenant_update_policy(tenant_id, update_req)
     523            0 :             .await?,
     524              :     )
     525            0 : }
     526              : 
     527            0 : async fn handle_tenant_drop(req: Request<Body>) -> Result<Response<Body>, ApiError> {
     528            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     529            0 :     check_permissions(&req, Scope::PageServerApi)?;
     530              : 
     531            0 :     let state = get_state(&req);
     532            0 : 
     533            0 :     json_response(StatusCode::OK, state.service.tenant_drop(tenant_id).await?)
     534            0 : }
     535              : 
     536            0 : async fn handle_tenant_import(req: Request<Body>) -> Result<Response<Body>, ApiError> {
     537            0 :     let tenant_id: TenantId = parse_request_param(&req, "tenant_id")?;
     538            0 :     check_permissions(&req, Scope::PageServerApi)?;
     539              : 
     540            0 :     let state = get_state(&req);
     541            0 : 
     542            0 :     json_response(
     543            0 :         StatusCode::OK,
     544            0 :         state.service.tenant_import(tenant_id).await?,
     545              :     )
     546            0 : }
     547              : 
     548            0 : async fn handle_tenants_dump(req: Request<Body>) -> Result<Response<Body>, ApiError> {
     549            0 :     check_permissions(&req, Scope::Admin)?;
     550              : 
     551            0 :     let state = get_state(&req);
     552            0 :     state.service.tenants_dump()
     553            0 : }
     554              : 
     555            0 : async fn handle_scheduler_dump(req: Request<Body>) -> Result<Response<Body>, ApiError> {
     556            0 :     check_permissions(&req, Scope::Admin)?;
     557              : 
     558            0 :     let state = get_state(&req);
     559            0 :     state.service.scheduler_dump()
     560            0 : }
     561              : 
     562            0 : async fn handle_consistency_check(req: Request<Body>) -> Result<Response<Body>, ApiError> {
     563            0 :     check_permissions(&req, Scope::Admin)?;
     564              : 
     565            0 :     let state = get_state(&req);
     566            0 : 
     567            0 :     json_response(StatusCode::OK, state.service.consistency_check().await?)
     568            0 : }
     569              : 
     570            0 : async fn handle_reconcile_all(req: Request<Body>) -> Result<Response<Body>, ApiError> {
     571            0 :     check_permissions(&req, Scope::Admin)?;
     572              : 
     573            0 :     let state = get_state(&req);
     574            0 : 
     575            0 :     json_response(StatusCode::OK, state.service.reconcile_all_now().await?)
     576            0 : }
     577              : 
     578              : /// Status endpoint is just used for checking that our HTTP listener is up
     579            0 : async fn handle_status(_req: Request<Body>) -> Result<Response<Body>, ApiError> {
     580            0 :     json_response(StatusCode::OK, ())
     581            0 : }
     582              : 
     583              : /// Readiness endpoint indicates when we're done doing startup I/O (e.g. reconciling
     584              : /// with remote pageserver nodes).  This is intended for use as a kubernetes readiness probe.
     585            0 : async fn handle_ready(req: Request<Body>) -> Result<Response<Body>, ApiError> {
     586            0 :     let state = get_state(&req);
     587            0 :     if state.service.startup_complete.is_ready() {
     588            0 :         json_response(StatusCode::OK, ())
     589              :     } else {
     590            0 :         json_response(StatusCode::SERVICE_UNAVAILABLE, ())
     591              :     }
     592            0 : }
     593              : 
     594              : impl From<ReconcileError> for ApiError {
     595            0 :     fn from(value: ReconcileError) -> Self {
     596            0 :         ApiError::Conflict(format!("Reconciliation error: {}", value))
     597            0 :     }
     598              : }
     599              : 
     600              : /// Common wrapper for request handlers that call into Service and will operate on tenants: they must only
     601              : /// be allowed to run if Service has finished its initial reconciliation.
     602            0 : async fn tenant_service_handler<R, H>(
     603            0 :     request: Request<Body>,
     604            0 :     handler: H,
     605            0 :     request_name: RequestName,
     606            0 : ) -> R::Output
     607            0 : where
     608            0 :     R: std::future::Future<Output = Result<Response<Body>, ApiError>> + Send + 'static,
     609            0 :     H: FnOnce(Arc<Service>, Request<Body>) -> R + Send + Sync + 'static,
     610            0 : {
     611            0 :     let state = get_state(&request);
     612            0 :     let service = state.service.clone();
     613            0 : 
     614            0 :     let startup_complete = service.startup_complete.clone();
     615            0 :     if tokio::time::timeout(STARTUP_RECONCILE_TIMEOUT, startup_complete.wait())
     616            0 :         .await
     617            0 :         .is_err()
     618              :     {
     619              :         // This shouldn't happen: it is the responsibilty of [`Service::startup_reconcile`] to use appropriate
     620              :         // timeouts around its remote calls, to bound its runtime.
     621            0 :         return Err(ApiError::Timeout(
     622            0 :             "Timed out waiting for service readiness".into(),
     623            0 :         ));
     624            0 :     }
     625            0 : 
     626            0 :     named_request_span(
     627            0 :         request,
     628            0 :         |request| async move { handler(service, request).await },
     629            0 :         request_name,
     630            0 :     )
     631            0 :     .await
     632            0 : }
     633              : 
     634              : /// Check if the required scope is held in the request's token, or if the request has
     635              : /// a token with 'admin' scope then always permit it.
     636            0 : fn check_permissions(request: &Request<Body>, required_scope: Scope) -> Result<(), ApiError> {
     637            0 :     check_permission_with(request, |claims| {
     638            0 :         match crate::auth::check_permission(claims, required_scope) {
     639            0 :             Err(e) => match crate::auth::check_permission(claims, Scope::Admin) {
     640            0 :                 Ok(()) => Ok(()),
     641            0 :                 Err(_) => Err(e),
     642              :             },
     643            0 :             Ok(()) => Ok(()),
     644              :         }
     645            0 :     })
     646            0 : }
     647              : 
     648              : #[derive(Clone, Debug)]
     649              : struct RequestMeta {
     650              :     method: hyper::http::Method,
     651              :     at: Instant,
     652              : }
     653              : 
     654            0 : fn prologue_metrics_middleware<B: hyper::body::HttpBody + Send + Sync + 'static>(
     655            0 : ) -> Middleware<B, ApiError> {
     656            0 :     Middleware::pre(move |req| async move {
     657            0 :         let meta = RequestMeta {
     658            0 :             method: req.method().clone(),
     659            0 :             at: Instant::now(),
     660            0 :         };
     661            0 : 
     662            0 :         req.set_context(meta);
     663            0 : 
     664            0 :         Ok(req)
     665            0 :     })
     666            0 : }
     667              : 
     668            0 : fn epilogue_metrics_middleware<B: hyper::body::HttpBody + Send + Sync + 'static>(
     669            0 : ) -> Middleware<B, ApiError> {
     670            0 :     Middleware::post_with_info(move |resp, req_info| async move {
     671            0 :         let request_name = match req_info.context::<RequestName>() {
     672            0 :             Some(name) => name,
     673            0 :             None => {
     674            0 :                 return Ok(resp);
     675            0 :             }
     676            0 :         };
     677            0 : 
     678            0 :         if let Some(meta) = req_info.context::<RequestMeta>() {
     679            0 :             let status = &crate::metrics::METRICS_REGISTRY
     680            0 :                 .metrics_group
     681            0 :                 .storage_controller_http_request_status;
     682            0 :             let latency = &crate::metrics::METRICS_REGISTRY
     683            0 :                 .metrics_group
     684            0 :                 .storage_controller_http_request_latency;
     685            0 : 
     686            0 :             status.inc(HttpRequestStatusLabelGroup {
     687            0 :                 path: request_name.0,
     688            0 :                 method: meta.method.clone().into(),
     689            0 :                 status: crate::metrics::StatusCode(resp.status()),
     690            0 :             });
     691            0 : 
     692            0 :             latency.observe(
     693            0 :                 HttpRequestLatencyLabelGroup {
     694            0 :                     path: request_name.0,
     695            0 :                     method: meta.method.into(),
     696            0 :                 },
     697            0 :                 meta.at.elapsed().as_secs_f64(),
     698            0 :             );
     699            0 :         }
     700            0 :         Ok(resp)
     701            0 :     })
     702            0 : }
     703              : 
     704            0 : pub async fn measured_metrics_handler(req: Request<Body>) -> Result<Response<Body>, ApiError> {
     705            0 :     pub const TEXT_FORMAT: &str = "text/plain; version=0.0.4";
     706            0 : 
     707            0 :     let state = get_state(&req);
     708            0 :     let payload = crate::metrics::METRICS_REGISTRY.encode(&state.neon_metrics);
     709            0 :     let response = Response::builder()
     710            0 :         .status(200)
     711            0 :         .header(CONTENT_TYPE, TEXT_FORMAT)
     712            0 :         .body(payload.into())
     713            0 :         .unwrap();
     714            0 : 
     715            0 :     Ok(response)
     716            0 : }
     717              : 
     718              : #[derive(Clone)]
     719              : struct RequestName(&'static str);
     720              : 
     721            0 : async fn named_request_span<R, H>(
     722            0 :     request: Request<Body>,
     723            0 :     handler: H,
     724            0 :     name: RequestName,
     725            0 : ) -> R::Output
     726            0 : where
     727            0 :     R: Future<Output = Result<Response<Body>, ApiError>> + Send + 'static,
     728            0 :     H: FnOnce(Request<Body>) -> R + Send + Sync + 'static,
     729            0 : {
     730            0 :     request.set_context(name);
     731            0 :     request_span(request, handler).await
     732            0 : }
     733              : 
     734            0 : pub fn make_router(
     735            0 :     service: Arc<Service>,
     736            0 :     auth: Option<Arc<SwappableJwtAuth>>,
     737            0 :     build_info: BuildInfo,
     738            0 : ) -> RouterBuilder<hyper::Body, ApiError> {
     739            0 :     let mut router = endpoint::make_router()
     740            0 :         .middleware(prologue_metrics_middleware())
     741            0 :         .middleware(epilogue_metrics_middleware());
     742            0 :     if auth.is_some() {
     743            0 :         router = router.middleware(auth_middleware(|request| {
     744            0 :             let state = get_state(request);
     745            0 :             if state.allowlist_routes.contains(request.uri()) {
     746            0 :                 None
     747              :             } else {
     748            0 :                 state.auth.as_deref()
     749              :             }
     750            0 :         }));
     751            0 :     }
     752              : 
     753            0 :     router
     754            0 :         .data(Arc::new(HttpState::new(service, auth, build_info)))
     755            0 :         .get("/metrics", |r| {
     756            0 :             named_request_span(r, measured_metrics_handler, RequestName("metrics"))
     757            0 :         })
     758            0 :         // Non-prefixed generic endpoints (status, metrics)
     759            0 :         .get("/status", |r| {
     760            0 :             named_request_span(r, handle_status, RequestName("status"))
     761            0 :         })
     762            0 :         .get("/ready", |r| {
     763            0 :             named_request_span(r, handle_ready, RequestName("ready"))
     764            0 :         })
     765            0 :         // Upcalls for the pageserver: point the pageserver's `control_plane_api` config to this prefix
     766            0 :         .post("/upcall/v1/re-attach", |r| {
     767            0 :             named_request_span(r, handle_re_attach, RequestName("upcall_v1_reattach"))
     768            0 :         })
     769            0 :         .post("/upcall/v1/validate", |r| {
     770            0 :             named_request_span(r, handle_validate, RequestName("upcall_v1_validate"))
     771            0 :         })
     772            0 :         // Test/dev/debug endpoints
     773            0 :         .post("/debug/v1/attach-hook", |r| {
     774            0 :             named_request_span(r, handle_attach_hook, RequestName("debug_v1_attach_hook"))
     775            0 :         })
     776            0 :         .post("/debug/v1/inspect", |r| {
     777            0 :             named_request_span(r, handle_inspect, RequestName("debug_v1_inspect"))
     778            0 :         })
     779            0 :         .post("/debug/v1/tenant/:tenant_id/drop", |r| {
     780            0 :             named_request_span(r, handle_tenant_drop, RequestName("debug_v1_tenant_drop"))
     781            0 :         })
     782            0 :         .post("/debug/v1/node/:node_id/drop", |r| {
     783            0 :             named_request_span(r, handle_node_drop, RequestName("debug_v1_node_drop"))
     784            0 :         })
     785            0 :         .post("/debug/v1/tenant/:tenant_id/import", |r| {
     786            0 :             named_request_span(
     787            0 :                 r,
     788            0 :                 handle_tenant_import,
     789            0 :                 RequestName("debug_v1_tenant_import"),
     790            0 :             )
     791            0 :         })
     792            0 :         .get("/debug/v1/tenant", |r| {
     793            0 :             named_request_span(r, handle_tenants_dump, RequestName("debug_v1_tenant"))
     794            0 :         })
     795            0 :         .get("/debug/v1/tenant/:tenant_id/locate", |r| {
     796            0 :             tenant_service_handler(
     797            0 :                 r,
     798            0 :                 handle_tenant_locate,
     799            0 :                 RequestName("debug_v1_tenant_locate"),
     800            0 :             )
     801            0 :         })
     802            0 :         .get("/debug/v1/scheduler", |r| {
     803            0 :             named_request_span(r, handle_scheduler_dump, RequestName("debug_v1_scheduler"))
     804            0 :         })
     805            0 :         .post("/debug/v1/consistency_check", |r| {
     806            0 :             named_request_span(
     807            0 :                 r,
     808            0 :                 handle_consistency_check,
     809            0 :                 RequestName("debug_v1_consistency_check"),
     810            0 :             )
     811            0 :         })
     812            0 :         .post("/debug/v1/reconcile_all", |r| {
     813            0 :             request_span(r, handle_reconcile_all)
     814            0 :         })
     815            0 :         .put("/debug/v1/failpoints", |r| {
     816            0 :             request_span(r, |r| failpoints_handler(r, CancellationToken::new()))
     817            0 :         })
     818            0 :         // Node operations
     819            0 :         .post("/control/v1/node", |r| {
     820            0 :             named_request_span(r, handle_node_register, RequestName("control_v1_node"))
     821            0 :         })
     822            0 :         .get("/control/v1/node", |r| {
     823            0 :             named_request_span(r, handle_node_list, RequestName("control_v1_node"))
     824            0 :         })
     825            0 :         .put("/control/v1/node/:node_id/config", |r| {
     826            0 :             named_request_span(
     827            0 :                 r,
     828            0 :                 handle_node_configure,
     829            0 :                 RequestName("control_v1_node_config"),
     830            0 :             )
     831            0 :         })
     832            0 :         // Tenant Shard operations
     833            0 :         .put("/control/v1/tenant/:tenant_shard_id/migrate", |r| {
     834            0 :             tenant_service_handler(
     835            0 :                 r,
     836            0 :                 handle_tenant_shard_migrate,
     837            0 :                 RequestName("control_v1_tenant_migrate"),
     838            0 :             )
     839            0 :         })
     840            0 :         .put("/control/v1/tenant/:tenant_id/shard_split", |r| {
     841            0 :             tenant_service_handler(
     842            0 :                 r,
     843            0 :                 handle_tenant_shard_split,
     844            0 :                 RequestName("control_v1_tenant_shard_split"),
     845            0 :             )
     846            0 :         })
     847            0 :         .get("/control/v1/tenant/:tenant_id", |r| {
     848            0 :             tenant_service_handler(
     849            0 :                 r,
     850            0 :                 handle_tenant_describe,
     851            0 :                 RequestName("control_v1_tenant_describe"),
     852            0 :             )
     853            0 :         })
     854            0 :         .get("/control/v1/tenant", |r| {
     855            0 :             tenant_service_handler(r, handle_tenant_list, RequestName("control_v1_tenant_list"))
     856            0 :         })
     857            0 :         .put("/control/v1/tenant/:tenant_id/policy", |r| {
     858            0 :             named_request_span(
     859            0 :                 r,
     860            0 :                 handle_tenant_update_policy,
     861            0 :                 RequestName("control_v1_tenant_policy"),
     862            0 :             )
     863            0 :         })
     864            0 :         // Tenant operations
     865            0 :         // The ^/v1/ endpoints act as a "Virtual Pageserver", enabling shard-naive clients to call into
     866            0 :         // this service to manage tenants that actually consist of many tenant shards, as if they are a single entity.
     867            0 :         .post("/v1/tenant", |r| {
     868            0 :             tenant_service_handler(r, handle_tenant_create, RequestName("v1_tenant"))
     869            0 :         })
     870            0 :         .delete("/v1/tenant/:tenant_id", |r| {
     871            0 :             tenant_service_handler(r, handle_tenant_delete, RequestName("v1_tenant"))
     872            0 :         })
     873            0 :         .put("/v1/tenant/config", |r| {
     874            0 :             tenant_service_handler(r, handle_tenant_config_set, RequestName("v1_tenant_config"))
     875            0 :         })
     876            0 :         .get("/v1/tenant/:tenant_id/config", |r| {
     877            0 :             tenant_service_handler(r, handle_tenant_config_get, RequestName("v1_tenant_config"))
     878            0 :         })
     879            0 :         .put("/v1/tenant/:tenant_shard_id/location_config", |r| {
     880            0 :             tenant_service_handler(
     881            0 :                 r,
     882            0 :                 handle_tenant_location_config,
     883            0 :                 RequestName("v1_tenant_location_config"),
     884            0 :             )
     885            0 :         })
     886            0 :         .put("/v1/tenant/:tenant_id/time_travel_remote_storage", |r| {
     887            0 :             tenant_service_handler(
     888            0 :                 r,
     889            0 :                 handle_tenant_time_travel_remote_storage,
     890            0 :                 RequestName("v1_tenant_time_travel_remote_storage"),
     891            0 :             )
     892            0 :         })
     893            0 :         .post("/v1/tenant/:tenant_id/secondary/download", |r| {
     894            0 :             tenant_service_handler(
     895            0 :                 r,
     896            0 :                 handle_tenant_secondary_download,
     897            0 :                 RequestName("v1_tenant_secondary_download"),
     898            0 :             )
     899            0 :         })
     900            0 :         // Timeline operations
     901            0 :         .delete("/v1/tenant/:tenant_id/timeline/:timeline_id", |r| {
     902            0 :             tenant_service_handler(
     903            0 :                 r,
     904            0 :                 handle_tenant_timeline_delete,
     905            0 :                 RequestName("v1_tenant_timeline"),
     906            0 :             )
     907            0 :         })
     908            0 :         .post("/v1/tenant/:tenant_id/timeline", |r| {
     909            0 :             tenant_service_handler(
     910            0 :                 r,
     911            0 :                 handle_tenant_timeline_create,
     912            0 :                 RequestName("v1_tenant_timeline"),
     913            0 :             )
     914            0 :         })
     915            0 :         // Tenant detail GET passthrough to shard zero:
     916            0 :         .get("/v1/tenant/:tenant_id", |r| {
     917            0 :             tenant_service_handler(
     918            0 :                 r,
     919            0 :                 handle_tenant_timeline_passthrough,
     920            0 :                 RequestName("v1_tenant_passthrough"),
     921            0 :             )
     922            0 :         })
     923            0 :         // The `*` in the  URL is a wildcard: any tenant/timeline GET APIs on the pageserver
     924            0 :         // are implicitly exposed here.  This must be last in the list to avoid
     925            0 :         // taking precedence over other GET methods we might implement by hand.
     926            0 :         .get("/v1/tenant/:tenant_id/*", |r| {
     927            0 :             tenant_service_handler(
     928            0 :                 r,
     929            0 :                 handle_tenant_timeline_passthrough,
     930            0 :                 RequestName("v1_tenant_passthrough"),
     931            0 :             )
     932            0 :         })
     933            0 : }
        

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