Line data Source code
1 : #![deny(unsafe_code)]
2 : #![deny(clippy::undocumented_unsafe_blocks)]
3 : pub mod checks;
4 : pub mod cloud_admin_api;
5 : pub mod garbage;
6 : pub mod metadata_stream;
7 : pub mod scan_pageserver_metadata;
8 : pub mod scan_safekeeper_metadata;
9 : pub mod tenant_snapshot;
10 :
11 : use std::env;
12 : use std::fmt::Display;
13 : use std::sync::Arc;
14 : use std::time::Duration;
15 :
16 : use anyhow::Context;
17 : use aws_config::environment::EnvironmentVariableCredentialsProvider;
18 : use aws_config::imds::credentials::ImdsCredentialsProvider;
19 : use aws_config::meta::credentials::CredentialsProviderChain;
20 : use aws_config::profile::ProfileFileCredentialsProvider;
21 : use aws_config::retry::RetryConfig;
22 : use aws_config::sso::SsoCredentialsProvider;
23 : use aws_config::BehaviorVersion;
24 : use aws_sdk_s3::config::{AsyncSleep, Region, SharedAsyncSleep};
25 : use aws_sdk_s3::{Client, Config};
26 : use aws_smithy_async::rt::sleep::TokioSleep;
27 :
28 : use camino::{Utf8Path, Utf8PathBuf};
29 : use clap::ValueEnum;
30 : use pageserver::tenant::TENANTS_SEGMENT_NAME;
31 : use pageserver_api::shard::TenantShardId;
32 : use reqwest::Url;
33 : use serde::{Deserialize, Serialize};
34 : use tokio::io::AsyncReadExt;
35 : use tracing::error;
36 : use tracing_appender::non_blocking::WorkerGuard;
37 : use tracing_subscriber::{fmt, prelude::*, EnvFilter};
38 : use utils::fs_ext;
39 : use utils::id::{TenantId, TimelineId};
40 :
41 : const MAX_RETRIES: usize = 20;
42 : const CLOUD_ADMIN_API_TOKEN_ENV_VAR: &str = "CLOUD_ADMIN_API_TOKEN";
43 :
44 : #[derive(Debug, Clone)]
45 : pub struct S3Target {
46 : pub bucket_name: String,
47 : /// This `prefix_in_bucket` is only equal to the PS/SK config of the same
48 : /// name for the RootTarget: other instances of S3Target will have prefix_in_bucket
49 : /// with extra parts.
50 : pub prefix_in_bucket: String,
51 : pub delimiter: String,
52 : }
53 :
54 : /// Convenience for referring to timelines within a particular shard: more ergonomic
55 : /// than using a 2-tuple.
56 : ///
57 : /// This is the shard-aware equivalent of TenantTimelineId. It's defined here rather
58 : /// than somewhere more broadly exposed, because this kind of thing is rarely needed
59 : /// in the pageserver, as all timeline objects existing in the scope of a particular
60 : /// tenant: the scrubber is different in that it handles collections of data referring to many
61 : /// TenantShardTimelineIds in on place.
62 0 : #[derive(Serialize, Deserialize, Debug, Clone, Copy, Hash, PartialEq, Eq)]
63 : pub struct TenantShardTimelineId {
64 : tenant_shard_id: TenantShardId,
65 : timeline_id: TimelineId,
66 : }
67 :
68 : impl TenantShardTimelineId {
69 0 : fn new(tenant_shard_id: TenantShardId, timeline_id: TimelineId) -> Self {
70 0 : Self {
71 0 : tenant_shard_id,
72 0 : timeline_id,
73 0 : }
74 0 : }
75 : }
76 :
77 : impl Display for TenantShardTimelineId {
78 0 : fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
79 0 : write!(f, "{}/{}", self.tenant_shard_id, self.timeline_id)
80 0 : }
81 : }
82 :
83 0 : #[derive(clap::ValueEnum, Debug, Clone, Copy, PartialEq, Eq)]
84 : pub enum TraversingDepth {
85 : Tenant,
86 : Timeline,
87 : }
88 :
89 : impl Display for TraversingDepth {
90 0 : fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
91 0 : f.write_str(match self {
92 0 : Self::Tenant => "tenant",
93 0 : Self::Timeline => "timeline",
94 : })
95 0 : }
96 : }
97 :
98 0 : #[derive(ValueEnum, Clone, Copy, Eq, PartialEq, Debug, Serialize, Deserialize)]
99 : pub enum NodeKind {
100 : Safekeeper,
101 : Pageserver,
102 : }
103 :
104 : impl NodeKind {
105 0 : fn as_str(&self) -> &'static str {
106 0 : match self {
107 0 : Self::Safekeeper => "safekeeper",
108 0 : Self::Pageserver => "pageserver",
109 : }
110 0 : }
111 : }
112 :
113 : impl Display for NodeKind {
114 0 : fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
115 0 : f.write_str(self.as_str())
116 0 : }
117 : }
118 :
119 : impl S3Target {
120 0 : pub fn with_sub_segment(&self, new_segment: &str) -> Self {
121 0 : let mut new_self = self.clone();
122 0 : if new_self.prefix_in_bucket.is_empty() {
123 0 : new_self.prefix_in_bucket = format!("/{}/", new_segment);
124 0 : } else {
125 0 : if new_self.prefix_in_bucket.ends_with('/') {
126 0 : new_self.prefix_in_bucket.pop();
127 0 : }
128 0 : new_self.prefix_in_bucket =
129 0 : [&new_self.prefix_in_bucket, new_segment, ""].join(&new_self.delimiter);
130 : }
131 0 : new_self
132 0 : }
133 : }
134 :
135 : #[derive(Clone)]
136 : pub enum RootTarget {
137 : Pageserver(S3Target),
138 : Safekeeper(S3Target),
139 : }
140 :
141 : impl RootTarget {
142 0 : pub fn tenants_root(&self) -> S3Target {
143 0 : match self {
144 0 : Self::Pageserver(root) => root.with_sub_segment(TENANTS_SEGMENT_NAME),
145 0 : Self::Safekeeper(root) => root.clone(),
146 : }
147 0 : }
148 :
149 0 : pub fn tenant_root(&self, tenant_id: &TenantShardId) -> S3Target {
150 0 : match self {
151 0 : Self::Pageserver(_) => self.tenants_root().with_sub_segment(&tenant_id.to_string()),
152 0 : Self::Safekeeper(_) => self
153 0 : .tenants_root()
154 0 : .with_sub_segment(&tenant_id.tenant_id.to_string()),
155 : }
156 0 : }
157 :
158 0 : pub(crate) fn tenant_shards_prefix(&self, tenant_id: &TenantId) -> S3Target {
159 0 : // Only pageserver remote storage contains tenant-shards
160 0 : assert!(matches!(self, Self::Pageserver(_)));
161 0 : let Self::Pageserver(root) = self else {
162 0 : panic!();
163 : };
164 :
165 0 : S3Target {
166 0 : bucket_name: root.bucket_name.clone(),
167 0 : prefix_in_bucket: format!(
168 0 : "{}/{TENANTS_SEGMENT_NAME}/{tenant_id}",
169 0 : root.prefix_in_bucket
170 0 : ),
171 0 : delimiter: root.delimiter.clone(),
172 0 : }
173 0 : }
174 :
175 0 : pub fn timelines_root(&self, tenant_id: &TenantShardId) -> S3Target {
176 0 : match self {
177 0 : Self::Pageserver(_) => self.tenant_root(tenant_id).with_sub_segment("timelines"),
178 0 : Self::Safekeeper(_) => self.tenant_root(tenant_id),
179 : }
180 0 : }
181 :
182 0 : pub fn timeline_root(&self, id: &TenantShardTimelineId) -> S3Target {
183 0 : self.timelines_root(&id.tenant_shard_id)
184 0 : .with_sub_segment(&id.timeline_id.to_string())
185 0 : }
186 :
187 0 : pub fn bucket_name(&self) -> &str {
188 0 : match self {
189 0 : Self::Pageserver(root) => &root.bucket_name,
190 0 : Self::Safekeeper(root) => &root.bucket_name,
191 : }
192 0 : }
193 :
194 0 : pub fn delimiter(&self) -> &str {
195 0 : match self {
196 0 : Self::Pageserver(root) => &root.delimiter,
197 0 : Self::Safekeeper(root) => &root.delimiter,
198 : }
199 0 : }
200 : }
201 :
202 0 : #[derive(Debug, Clone, Serialize, Deserialize)]
203 : #[serde(deny_unknown_fields)]
204 : pub struct BucketConfig {
205 : pub region: String,
206 : pub bucket: String,
207 : pub prefix_in_bucket: Option<String>,
208 : }
209 :
210 : impl BucketConfig {
211 0 : pub fn from_env() -> anyhow::Result<Self> {
212 0 : let region = env::var("REGION").context("'REGION' param retrieval")?;
213 0 : let bucket = env::var("BUCKET").context("'BUCKET' param retrieval")?;
214 0 : let prefix_in_bucket = env::var("BUCKET_PREFIX").ok();
215 0 :
216 0 : Ok(Self {
217 0 : region,
218 0 : bucket,
219 0 : prefix_in_bucket,
220 0 : })
221 0 : }
222 : }
223 :
224 : pub struct ConsoleConfig {
225 : pub token: String,
226 : pub base_url: Url,
227 : }
228 :
229 : impl ConsoleConfig {
230 0 : pub fn from_env() -> anyhow::Result<Self> {
231 0 : let base_url: Url = env::var("CLOUD_ADMIN_API_URL")
232 0 : .context("'CLOUD_ADMIN_API_URL' param retrieval")?
233 0 : .parse()
234 0 : .context("'CLOUD_ADMIN_API_URL' param parsing")?;
235 :
236 0 : let token = env::var(CLOUD_ADMIN_API_TOKEN_ENV_VAR)
237 0 : .context("'CLOUD_ADMIN_API_TOKEN' environment variable fetch")?;
238 :
239 0 : Ok(Self { base_url, token })
240 0 : }
241 : }
242 :
243 0 : pub fn init_logging(file_name: &str) -> WorkerGuard {
244 0 : let (file_writer, guard) =
245 0 : tracing_appender::non_blocking(tracing_appender::rolling::never("./logs/", file_name));
246 0 :
247 0 : let file_logs = fmt::Layer::new()
248 0 : .with_target(false)
249 0 : .with_ansi(false)
250 0 : .with_writer(file_writer);
251 0 : let stderr_logs = fmt::Layer::new()
252 0 : .with_target(false)
253 0 : .with_writer(std::io::stderr);
254 0 : tracing_subscriber::registry()
255 0 : .with(EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new("info")))
256 0 : .with(file_logs)
257 0 : .with(stderr_logs)
258 0 : .init();
259 0 :
260 0 : guard
261 0 : }
262 :
263 0 : pub fn init_s3_client(bucket_region: Region) -> Client {
264 0 : let credentials_provider = {
265 : // uses "AWS_ACCESS_KEY_ID", "AWS_SECRET_ACCESS_KEY"
266 0 : let chain = CredentialsProviderChain::first_try(
267 0 : "env",
268 0 : EnvironmentVariableCredentialsProvider::new(),
269 0 : )
270 0 : // uses "AWS_PROFILE" / `aws sso login --profile <profile>`
271 0 : .or_else(
272 0 : "profile-sso",
273 0 : ProfileFileCredentialsProvider::builder().build(),
274 0 : );
275 0 :
276 0 : // Use SSO if we were given an account ID
277 0 : match std::env::var("SSO_ACCOUNT_ID").ok() {
278 0 : Some(sso_account) => chain.or_else(
279 0 : "sso",
280 0 : SsoCredentialsProvider::builder()
281 0 : .account_id(sso_account)
282 0 : .role_name("PowerUserAccess")
283 0 : .start_url("https://neondb.awsapps.com/start")
284 0 : .region(bucket_region.clone())
285 0 : .build(),
286 0 : ),
287 0 : None => chain,
288 : }
289 0 : .or_else(
290 0 : // Finally try IMDS
291 0 : "imds",
292 0 : ImdsCredentialsProvider::builder().build(),
293 0 : )
294 0 : };
295 0 :
296 0 : let sleep_impl: Arc<dyn AsyncSleep> = Arc::new(TokioSleep::new());
297 0 :
298 0 : let mut builder = Config::builder()
299 0 : .behavior_version(
300 0 : #[allow(deprecated)] /* TODO: https://github.com/neondatabase/neon/issues/7665 */
301 0 : BehaviorVersion::v2023_11_09(),
302 0 : )
303 0 : .region(bucket_region)
304 0 : .retry_config(RetryConfig::adaptive().with_max_attempts(3))
305 0 : .sleep_impl(SharedAsyncSleep::from(sleep_impl))
306 0 : .credentials_provider(credentials_provider);
307 :
308 0 : if let Ok(endpoint) = env::var("AWS_ENDPOINT_URL") {
309 0 : builder = builder.endpoint_url(endpoint)
310 0 : }
311 :
312 0 : Client::from_conf(builder.build())
313 0 : }
314 :
315 0 : fn init_remote(
316 0 : bucket_config: BucketConfig,
317 0 : node_kind: NodeKind,
318 0 : ) -> anyhow::Result<(Arc<Client>, RootTarget)> {
319 0 : let bucket_region = Region::new(bucket_config.region);
320 0 : let delimiter = "/".to_string();
321 0 : let s3_client = Arc::new(init_s3_client(bucket_region));
322 :
323 0 : let s3_root = match node_kind {
324 0 : NodeKind::Pageserver => RootTarget::Pageserver(S3Target {
325 0 : bucket_name: bucket_config.bucket,
326 0 : prefix_in_bucket: bucket_config
327 0 : .prefix_in_bucket
328 0 : .unwrap_or("pageserver/v1".to_string()),
329 0 : delimiter,
330 0 : }),
331 0 : NodeKind::Safekeeper => RootTarget::Safekeeper(S3Target {
332 0 : bucket_name: bucket_config.bucket,
333 0 : prefix_in_bucket: bucket_config.prefix_in_bucket.unwrap_or("wal/".to_string()),
334 0 : delimiter,
335 0 : }),
336 : };
337 :
338 0 : Ok((s3_client, s3_root))
339 0 : }
340 :
341 0 : async fn list_objects_with_retries(
342 0 : s3_client: &Client,
343 0 : s3_target: &S3Target,
344 0 : continuation_token: Option<String>,
345 0 : ) -> anyhow::Result<aws_sdk_s3::operation::list_objects_v2::ListObjectsV2Output> {
346 0 : for _ in 0..MAX_RETRIES {
347 0 : match s3_client
348 0 : .list_objects_v2()
349 0 : .bucket(&s3_target.bucket_name)
350 0 : .prefix(&s3_target.prefix_in_bucket)
351 0 : .delimiter(&s3_target.delimiter)
352 0 : .set_continuation_token(continuation_token.clone())
353 0 : .send()
354 0 : .await
355 : {
356 0 : Ok(response) => return Ok(response),
357 0 : Err(e) => {
358 0 : error!(
359 0 : "list_objects_v2 query failed: {e}, bucket_name={}, prefix={}, delimiter={}",
360 : s3_target.bucket_name, s3_target.prefix_in_bucket, s3_target.delimiter
361 : );
362 0 : tokio::time::sleep(Duration::from_secs(1)).await;
363 : }
364 : }
365 : }
366 :
367 0 : anyhow::bail!("Failed to list objects {MAX_RETRIES} times")
368 0 : }
369 :
370 0 : async fn download_object_with_retries(
371 0 : s3_client: &Client,
372 0 : bucket_name: &str,
373 0 : key: &str,
374 0 : ) -> anyhow::Result<Vec<u8>> {
375 0 : for _ in 0..MAX_RETRIES {
376 0 : let mut body_buf = Vec::new();
377 0 : let response_stream = match s3_client
378 0 : .get_object()
379 0 : .bucket(bucket_name)
380 0 : .key(key)
381 0 : .send()
382 0 : .await
383 : {
384 0 : Ok(response) => response,
385 0 : Err(e) => {
386 0 : error!("Failed to download object for key {key}: {e}");
387 0 : tokio::time::sleep(Duration::from_secs(1)).await;
388 0 : continue;
389 : }
390 : };
391 :
392 0 : match response_stream
393 0 : .body
394 0 : .into_async_read()
395 0 : .read_to_end(&mut body_buf)
396 0 : .await
397 : {
398 0 : Ok(bytes_read) => {
399 0 : tracing::info!("Downloaded {bytes_read} bytes for object object with key {key}");
400 0 : return Ok(body_buf);
401 : }
402 0 : Err(e) => {
403 0 : error!("Failed to stream object body for key {key}: {e}");
404 0 : tokio::time::sleep(Duration::from_secs(1)).await;
405 : }
406 : }
407 : }
408 :
409 0 : anyhow::bail!("Failed to download objects with key {key} {MAX_RETRIES} times")
410 0 : }
411 :
412 0 : async fn download_object_to_file(
413 0 : s3_client: &Client,
414 0 : bucket_name: &str,
415 0 : key: &str,
416 0 : version_id: Option<&str>,
417 0 : local_path: &Utf8Path,
418 0 : ) -> anyhow::Result<()> {
419 0 : let tmp_path = Utf8PathBuf::from(format!("{local_path}.tmp"));
420 0 : for _ in 0..MAX_RETRIES {
421 0 : tokio::fs::remove_file(&tmp_path)
422 0 : .await
423 0 : .or_else(fs_ext::ignore_not_found)?;
424 :
425 0 : let mut file = tokio::fs::File::create(&tmp_path)
426 0 : .await
427 0 : .context("Opening output file")?;
428 :
429 0 : let request = s3_client.get_object().bucket(bucket_name).key(key);
430 :
431 0 : let request = match version_id {
432 0 : Some(version_id) => request.version_id(version_id),
433 0 : None => request,
434 : };
435 :
436 0 : let response_stream = match request.send().await {
437 0 : Ok(response) => response,
438 0 : Err(e) => {
439 0 : error!(
440 0 : "Failed to download object for key {key} version {}: {e:#}",
441 0 : version_id.unwrap_or("")
442 : );
443 0 : tokio::time::sleep(Duration::from_secs(1)).await;
444 0 : continue;
445 : }
446 : };
447 :
448 0 : let mut read_stream = response_stream.body.into_async_read();
449 0 :
450 0 : tokio::io::copy(&mut read_stream, &mut file).await?;
451 :
452 0 : tokio::fs::rename(&tmp_path, local_path).await?;
453 0 : return Ok(());
454 : }
455 :
456 0 : anyhow::bail!("Failed to download objects with key {key} {MAX_RETRIES} times")
457 0 : }
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