Line data Source code
1 : use hyper::{Body, Request, Response, StatusCode, Uri};
2 : use once_cell::sync::Lazy;
3 : use serde::{Deserialize, Serialize};
4 : use std::collections::{HashMap, HashSet};
5 : use std::fmt;
6 : use std::io::Write as _;
7 : use std::str::FromStr;
8 : use std::sync::Arc;
9 : use storage_broker::proto::SafekeeperTimelineInfo;
10 : use storage_broker::proto::TenantTimelineId as ProtoTenantTimelineId;
11 : use tokio::sync::mpsc;
12 : use tokio::task;
13 : use tokio_stream::wrappers::ReceiverStream;
14 : use tokio_util::sync::CancellationToken;
15 : use tracing::{info_span, Instrument};
16 : use utils::failpoint_support::failpoints_handler;
17 : use utils::http::endpoint::{prometheus_metrics_handler, request_span, ChannelWriter};
18 : use utils::http::request::parse_query_param;
19 :
20 : use postgres_ffi::WAL_SEGMENT_SIZE;
21 : use safekeeper_api::models::{SkTimelineInfo, TimelineCopyRequest};
22 : use safekeeper_api::models::{TimelineCreateRequest, TimelineTermBumpRequest};
23 : use utils::{
24 : auth::SwappableJwtAuth,
25 : http::{
26 : endpoint::{self, auth_middleware, check_permission_with},
27 : error::ApiError,
28 : json::{json_request, json_response},
29 : request::{ensure_no_body, parse_request_param},
30 : RequestExt, RouterBuilder,
31 : },
32 : id::{NodeId, TenantId, TenantTimelineId, TimelineId},
33 : lsn::Lsn,
34 : };
35 :
36 : use crate::debug_dump::TimelineDigestRequest;
37 : use crate::receive_wal::WalReceiverState;
38 : use crate::safekeeper::Term;
39 : use crate::safekeeper::{ServerInfo, TermLsn};
40 : use crate::send_wal::WalSenderState;
41 : use crate::timeline::PeerInfo;
42 : use crate::timelines_global_map::TimelineDeleteForceResult;
43 : use crate::GlobalTimelines;
44 : use crate::SafeKeeperConf;
45 : use crate::{copy_timeline, debug_dump, patch_control_file, pull_timeline};
46 :
47 : #[derive(Debug, Serialize)]
48 : struct SafekeeperStatus {
49 : id: NodeId,
50 : }
51 :
52 : /// Healthcheck handler.
53 0 : async fn status_handler(request: Request<Body>) -> Result<Response<Body>, ApiError> {
54 0 : check_permission(&request, None)?;
55 0 : let conf = get_conf(&request);
56 0 : let status = SafekeeperStatus { id: conf.my_id };
57 0 : json_response(StatusCode::OK, status)
58 0 : }
59 :
60 0 : fn get_conf(request: &Request<Body>) -> &SafeKeeperConf {
61 0 : request
62 0 : .data::<Arc<SafeKeeperConf>>()
63 0 : .expect("unknown state type")
64 0 : .as_ref()
65 0 : }
66 :
67 : /// Same as TermLsn, but serializes LSN using display serializer
68 : /// in Postgres format, i.e. 0/FFFFFFFF. Used only for the API response.
69 0 : #[derive(Debug, Clone, Copy, Serialize, Deserialize)]
70 : pub struct TermSwitchApiEntry {
71 : pub term: Term,
72 : pub lsn: Lsn,
73 : }
74 :
75 : impl From<TermSwitchApiEntry> for TermLsn {
76 0 : fn from(api_val: TermSwitchApiEntry) -> Self {
77 0 : TermLsn {
78 0 : term: api_val.term,
79 0 : lsn: api_val.lsn,
80 0 : }
81 0 : }
82 : }
83 :
84 : /// Augment AcceptorState with last_log_term for convenience
85 0 : #[derive(Debug, Serialize, Deserialize)]
86 : pub struct AcceptorStateStatus {
87 : pub term: Term,
88 : pub epoch: Term, // aka last_log_term
89 : pub term_history: Vec<TermSwitchApiEntry>,
90 : }
91 :
92 : /// Info about timeline on safekeeper ready for reporting.
93 0 : #[derive(Debug, Serialize, Deserialize)]
94 : pub struct TimelineStatus {
95 : pub tenant_id: TenantId,
96 : pub timeline_id: TimelineId,
97 : pub acceptor_state: AcceptorStateStatus,
98 : pub pg_info: ServerInfo,
99 : pub flush_lsn: Lsn,
100 : pub timeline_start_lsn: Lsn,
101 : pub local_start_lsn: Lsn,
102 : pub commit_lsn: Lsn,
103 : pub backup_lsn: Lsn,
104 : pub peer_horizon_lsn: Lsn,
105 : pub remote_consistent_lsn: Lsn,
106 : pub peers: Vec<PeerInfo>,
107 : pub walsenders: Vec<WalSenderState>,
108 : pub walreceivers: Vec<WalReceiverState>,
109 : }
110 :
111 0 : fn check_permission(request: &Request<Body>, tenant_id: Option<TenantId>) -> Result<(), ApiError> {
112 0 : check_permission_with(request, |claims| {
113 0 : crate::auth::check_permission(claims, tenant_id)
114 0 : })
115 0 : }
116 :
117 : /// Deactivates all timelines for the tenant and removes its data directory.
118 : /// See `timeline_delete_handler`.
119 0 : async fn tenant_delete_handler(mut request: Request<Body>) -> Result<Response<Body>, ApiError> {
120 0 : let tenant_id = parse_request_param(&request, "tenant_id")?;
121 0 : let only_local = parse_query_param(&request, "only_local")?.unwrap_or(false);
122 0 : check_permission(&request, Some(tenant_id))?;
123 0 : ensure_no_body(&mut request).await?;
124 : // FIXME: `delete_force_all_for_tenant` can return an error for multiple different reasons;
125 : // Using an `InternalServerError` should be fixed when the types support it
126 0 : let delete_info = GlobalTimelines::delete_force_all_for_tenant(&tenant_id, only_local)
127 0 : .await
128 0 : .map_err(ApiError::InternalServerError)?;
129 0 : json_response(
130 0 : StatusCode::OK,
131 0 : delete_info
132 0 : .iter()
133 0 : .map(|(ttid, resp)| (format!("{}", ttid.timeline_id), *resp))
134 0 : .collect::<HashMap<String, TimelineDeleteForceResult>>(),
135 0 : )
136 0 : }
137 :
138 0 : async fn timeline_create_handler(mut request: Request<Body>) -> Result<Response<Body>, ApiError> {
139 0 : let request_data: TimelineCreateRequest = json_request(&mut request).await?;
140 :
141 0 : let ttid = TenantTimelineId {
142 0 : tenant_id: request_data.tenant_id,
143 0 : timeline_id: request_data.timeline_id,
144 0 : };
145 0 : check_permission(&request, Some(ttid.tenant_id))?;
146 :
147 0 : let server_info = ServerInfo {
148 0 : pg_version: request_data.pg_version,
149 0 : system_id: request_data.system_id.unwrap_or(0),
150 0 : wal_seg_size: request_data.wal_seg_size.unwrap_or(WAL_SEGMENT_SIZE as u32),
151 0 : };
152 0 : let local_start_lsn = request_data.local_start_lsn.unwrap_or_else(|| {
153 0 : request_data
154 0 : .commit_lsn
155 0 : .segment_lsn(server_info.wal_seg_size as usize)
156 0 : });
157 0 : GlobalTimelines::create(ttid, server_info, request_data.commit_lsn, local_start_lsn)
158 0 : .await
159 0 : .map_err(ApiError::InternalServerError)?;
160 :
161 0 : json_response(StatusCode::OK, ())
162 0 : }
163 :
164 : /// List all (not deleted) timelines.
165 : /// Note: it is possible to do the same with debug_dump.
166 0 : async fn timeline_list_handler(request: Request<Body>) -> Result<Response<Body>, ApiError> {
167 0 : check_permission(&request, None)?;
168 0 : let res: Vec<TenantTimelineId> = GlobalTimelines::get_all()
169 0 : .iter()
170 0 : .map(|tli| tli.ttid)
171 0 : .collect();
172 0 : json_response(StatusCode::OK, res)
173 0 : }
174 :
175 : /// Report info about timeline.
176 0 : async fn timeline_status_handler(request: Request<Body>) -> Result<Response<Body>, ApiError> {
177 0 : let ttid = TenantTimelineId::new(
178 0 : parse_request_param(&request, "tenant_id")?,
179 0 : parse_request_param(&request, "timeline_id")?,
180 : );
181 0 : check_permission(&request, Some(ttid.tenant_id))?;
182 :
183 0 : let tli = GlobalTimelines::get(ttid).map_err(ApiError::from)?;
184 0 : let (inmem, state) = tli.get_state().await;
185 0 : let flush_lsn = tli.get_flush_lsn().await;
186 :
187 0 : let last_log_term = state.acceptor_state.get_last_log_term(flush_lsn);
188 0 : let term_history = state
189 0 : .acceptor_state
190 0 : .term_history
191 0 : .0
192 0 : .into_iter()
193 0 : .map(|ts| TermSwitchApiEntry {
194 0 : term: ts.term,
195 0 : lsn: ts.lsn,
196 0 : })
197 0 : .collect();
198 0 : let acc_state = AcceptorStateStatus {
199 0 : term: state.acceptor_state.term,
200 0 : epoch: last_log_term,
201 0 : term_history,
202 0 : };
203 0 :
204 0 : let conf = get_conf(&request);
205 : // Note: we report in memory values which can be lost.
206 0 : let status = TimelineStatus {
207 0 : tenant_id: ttid.tenant_id,
208 0 : timeline_id: ttid.timeline_id,
209 0 : acceptor_state: acc_state,
210 0 : pg_info: state.server,
211 0 : flush_lsn,
212 0 : timeline_start_lsn: state.timeline_start_lsn,
213 0 : local_start_lsn: state.local_start_lsn,
214 0 : commit_lsn: inmem.commit_lsn,
215 0 : backup_lsn: inmem.backup_lsn,
216 0 : peer_horizon_lsn: inmem.peer_horizon_lsn,
217 0 : remote_consistent_lsn: inmem.remote_consistent_lsn,
218 0 : peers: tli.get_peers(conf).await,
219 0 : walsenders: tli.get_walsenders().get_all(),
220 0 : walreceivers: tli.get_walreceivers().get_all(),
221 0 : };
222 0 : json_response(StatusCode::OK, status)
223 0 : }
224 :
225 : /// Deactivates the timeline and removes its data directory.
226 0 : async fn timeline_delete_handler(mut request: Request<Body>) -> Result<Response<Body>, ApiError> {
227 0 : let ttid = TenantTimelineId::new(
228 0 : parse_request_param(&request, "tenant_id")?,
229 0 : parse_request_param(&request, "timeline_id")?,
230 : );
231 0 : let only_local = parse_query_param(&request, "only_local")?.unwrap_or(false);
232 0 : check_permission(&request, Some(ttid.tenant_id))?;
233 0 : ensure_no_body(&mut request).await?;
234 : // FIXME: `delete_force` can fail from both internal errors and bad requests. Add better
235 : // error handling here when we're able to.
236 0 : let resp = GlobalTimelines::delete(&ttid, only_local)
237 0 : .await
238 0 : .map_err(ApiError::InternalServerError)?;
239 0 : json_response(StatusCode::OK, resp)
240 0 : }
241 :
242 : /// Pull timeline from peer safekeeper instances.
243 0 : async fn timeline_pull_handler(mut request: Request<Body>) -> Result<Response<Body>, ApiError> {
244 0 : check_permission(&request, None)?;
245 :
246 0 : let data: pull_timeline::Request = json_request(&mut request).await?;
247 0 : let conf = get_conf(&request);
248 :
249 0 : let resp = pull_timeline::handle_request(data, conf.sk_auth_token.clone())
250 0 : .await
251 0 : .map_err(ApiError::InternalServerError)?;
252 0 : json_response(StatusCode::OK, resp)
253 0 : }
254 :
255 : /// Stream tar archive with all timeline data.
256 0 : async fn timeline_snapshot_handler(request: Request<Body>) -> Result<Response<Body>, ApiError> {
257 0 : let destination = parse_request_param(&request, "destination_id")?;
258 0 : let ttid = TenantTimelineId::new(
259 0 : parse_request_param(&request, "tenant_id")?,
260 0 : parse_request_param(&request, "timeline_id")?,
261 : );
262 0 : check_permission(&request, Some(ttid.tenant_id))?;
263 :
264 0 : let tli = GlobalTimelines::get(ttid).map_err(ApiError::from)?;
265 :
266 : // To stream the body use wrap_stream which wants Stream of Result<Bytes>,
267 : // so create the chan and write to it in another task.
268 0 : let (tx, rx) = mpsc::channel(1);
269 0 :
270 0 : let conf = get_conf(&request);
271 0 : task::spawn(pull_timeline::stream_snapshot(
272 0 : tli,
273 0 : conf.my_id,
274 0 : destination,
275 0 : tx,
276 0 : ));
277 0 :
278 0 : let rx_stream = ReceiverStream::new(rx);
279 0 : let body = Body::wrap_stream(rx_stream);
280 0 :
281 0 : let response = Response::builder()
282 0 : .status(200)
283 0 : .header(hyper::header::CONTENT_TYPE, "application/octet-stream")
284 0 : .body(body)
285 0 : .unwrap();
286 0 :
287 0 : Ok(response)
288 0 : }
289 :
290 0 : async fn timeline_copy_handler(mut request: Request<Body>) -> Result<Response<Body>, ApiError> {
291 0 : check_permission(&request, None)?;
292 :
293 0 : let request_data: TimelineCopyRequest = json_request(&mut request).await?;
294 0 : let ttid = TenantTimelineId::new(
295 0 : parse_request_param(&request, "tenant_id")?,
296 0 : parse_request_param(&request, "source_timeline_id")?,
297 : );
298 :
299 0 : let source = GlobalTimelines::get(ttid)?;
300 :
301 0 : copy_timeline::handle_request(copy_timeline::Request{
302 0 : source,
303 0 : until_lsn: request_data.until_lsn,
304 0 : destination_ttid: TenantTimelineId::new(ttid.tenant_id, request_data.target_timeline_id),
305 0 : })
306 0 : .instrument(info_span!("copy_timeline", from=%ttid, to=%request_data.target_timeline_id, until_lsn=%request_data.until_lsn))
307 0 : .await
308 0 : .map_err(ApiError::InternalServerError)?;
309 :
310 0 : json_response(StatusCode::OK, ())
311 0 : }
312 :
313 0 : async fn patch_control_file_handler(
314 0 : mut request: Request<Body>,
315 0 : ) -> Result<Response<Body>, ApiError> {
316 0 : check_permission(&request, None)?;
317 :
318 0 : let ttid = TenantTimelineId::new(
319 0 : parse_request_param(&request, "tenant_id")?,
320 0 : parse_request_param(&request, "timeline_id")?,
321 : );
322 :
323 0 : let tli = GlobalTimelines::get(ttid).map_err(ApiError::from)?;
324 :
325 0 : let patch_request: patch_control_file::Request = json_request(&mut request).await?;
326 0 : let response = patch_control_file::handle_request(tli, patch_request)
327 0 : .await
328 0 : .map_err(ApiError::InternalServerError)?;
329 :
330 0 : json_response(StatusCode::OK, response)
331 0 : }
332 :
333 : /// Force persist control file.
334 0 : async fn timeline_checkpoint_handler(request: Request<Body>) -> Result<Response<Body>, ApiError> {
335 0 : check_permission(&request, None)?;
336 :
337 0 : let ttid = TenantTimelineId::new(
338 0 : parse_request_param(&request, "tenant_id")?,
339 0 : parse_request_param(&request, "timeline_id")?,
340 : );
341 :
342 0 : let tli = GlobalTimelines::get(ttid)?;
343 0 : tli.write_shared_state()
344 0 : .await
345 : .sk
346 0 : .state_mut()
347 0 : .flush()
348 0 : .await
349 0 : .map_err(ApiError::InternalServerError)?;
350 0 : json_response(StatusCode::OK, ())
351 0 : }
352 :
353 0 : async fn timeline_digest_handler(request: Request<Body>) -> Result<Response<Body>, ApiError> {
354 0 : let ttid = TenantTimelineId::new(
355 0 : parse_request_param(&request, "tenant_id")?,
356 0 : parse_request_param(&request, "timeline_id")?,
357 : );
358 0 : check_permission(&request, Some(ttid.tenant_id))?;
359 :
360 0 : let from_lsn: Option<Lsn> = parse_query_param(&request, "from_lsn")?;
361 0 : let until_lsn: Option<Lsn> = parse_query_param(&request, "until_lsn")?;
362 :
363 0 : let request = TimelineDigestRequest {
364 0 : from_lsn: from_lsn.ok_or(ApiError::BadRequest(anyhow::anyhow!(
365 0 : "from_lsn is required"
366 0 : )))?,
367 0 : until_lsn: until_lsn.ok_or(ApiError::BadRequest(anyhow::anyhow!(
368 0 : "until_lsn is required"
369 0 : )))?,
370 : };
371 :
372 0 : let tli = GlobalTimelines::get(ttid).map_err(ApiError::from)?;
373 0 : let tli = tli
374 0 : .wal_residence_guard()
375 0 : .await
376 0 : .map_err(ApiError::InternalServerError)?;
377 :
378 0 : let response = debug_dump::calculate_digest(&tli, request)
379 0 : .await
380 0 : .map_err(ApiError::InternalServerError)?;
381 0 : json_response(StatusCode::OK, response)
382 0 : }
383 :
384 : /// Unevict timeline and remove uploaded partial segment(s) from the remote storage.
385 : /// Successfull response returns list of segments existed before the deletion.
386 : /// Aimed for one-off usage not normally needed.
387 0 : async fn timeline_backup_partial_reset(request: Request<Body>) -> Result<Response<Body>, ApiError> {
388 0 : let ttid = TenantTimelineId::new(
389 0 : parse_request_param(&request, "tenant_id")?,
390 0 : parse_request_param(&request, "timeline_id")?,
391 : );
392 0 : check_permission(&request, Some(ttid.tenant_id))?;
393 :
394 0 : let tli = GlobalTimelines::get(ttid).map_err(ApiError::from)?;
395 :
396 0 : let response = tli
397 0 : .backup_partial_reset()
398 0 : .await
399 0 : .map_err(ApiError::InternalServerError)?;
400 0 : json_response(StatusCode::OK, response)
401 0 : }
402 :
403 : /// Make term at least as high as one in request. If one in request is None,
404 : /// increment current one.
405 0 : async fn timeline_term_bump_handler(
406 0 : mut request: Request<Body>,
407 0 : ) -> Result<Response<Body>, ApiError> {
408 0 : let ttid = TenantTimelineId::new(
409 0 : parse_request_param(&request, "tenant_id")?,
410 0 : parse_request_param(&request, "timeline_id")?,
411 : );
412 0 : check_permission(&request, Some(ttid.tenant_id))?;
413 :
414 0 : let request_data: TimelineTermBumpRequest = json_request(&mut request).await?;
415 :
416 0 : let tli = GlobalTimelines::get(ttid).map_err(ApiError::from)?;
417 0 : let response = tli
418 0 : .term_bump(request_data.term)
419 0 : .await
420 0 : .map_err(ApiError::InternalServerError)?;
421 :
422 0 : json_response(StatusCode::OK, response)
423 0 : }
424 :
425 : /// Used only in tests to hand craft required data.
426 0 : async fn record_safekeeper_info(mut request: Request<Body>) -> Result<Response<Body>, ApiError> {
427 0 : let ttid = TenantTimelineId::new(
428 0 : parse_request_param(&request, "tenant_id")?,
429 0 : parse_request_param(&request, "timeline_id")?,
430 : );
431 0 : check_permission(&request, Some(ttid.tenant_id))?;
432 0 : let sk_info: SkTimelineInfo = json_request(&mut request).await?;
433 0 : let proto_sk_info = SafekeeperTimelineInfo {
434 0 : safekeeper_id: 0,
435 0 : tenant_timeline_id: Some(ProtoTenantTimelineId {
436 0 : tenant_id: ttid.tenant_id.as_ref().to_owned(),
437 0 : timeline_id: ttid.timeline_id.as_ref().to_owned(),
438 0 : }),
439 0 : term: sk_info.term.unwrap_or(0),
440 0 : last_log_term: sk_info.last_log_term.unwrap_or(0),
441 0 : flush_lsn: sk_info.flush_lsn.0,
442 0 : commit_lsn: sk_info.commit_lsn.0,
443 0 : remote_consistent_lsn: sk_info.remote_consistent_lsn.0,
444 0 : peer_horizon_lsn: sk_info.peer_horizon_lsn.0,
445 0 : safekeeper_connstr: sk_info.safekeeper_connstr.unwrap_or_else(|| "".to_owned()),
446 0 : http_connstr: sk_info.http_connstr.unwrap_or_else(|| "".to_owned()),
447 0 : backup_lsn: sk_info.backup_lsn.0,
448 0 : local_start_lsn: sk_info.local_start_lsn.0,
449 0 : availability_zone: None,
450 0 : standby_horizon: sk_info.standby_horizon.0,
451 0 : };
452 :
453 0 : let tli = GlobalTimelines::get(ttid).map_err(ApiError::from)?;
454 0 : tli.record_safekeeper_info(proto_sk_info)
455 0 : .await
456 0 : .map_err(ApiError::InternalServerError)?;
457 :
458 0 : json_response(StatusCode::OK, ())
459 0 : }
460 :
461 0 : fn parse_kv_str<E: fmt::Display, T: FromStr<Err = E>>(k: &str, v: &str) -> Result<T, ApiError> {
462 0 : v.parse()
463 0 : .map_err(|e| ApiError::BadRequest(anyhow::anyhow!("cannot parse {k}: {e}")))
464 0 : }
465 :
466 : /// Dump debug info about all available safekeeper state.
467 0 : async fn dump_debug_handler(mut request: Request<Body>) -> Result<Response<Body>, ApiError> {
468 0 : check_permission(&request, None)?;
469 0 : ensure_no_body(&mut request).await?;
470 :
471 0 : let mut dump_all: Option<bool> = None;
472 0 : let mut dump_control_file: Option<bool> = None;
473 0 : let mut dump_memory: Option<bool> = None;
474 0 : let mut dump_disk_content: Option<bool> = None;
475 0 : let mut dump_term_history: Option<bool> = None;
476 0 : let mut dump_wal_last_modified: Option<bool> = None;
477 0 : let mut tenant_id: Option<TenantId> = None;
478 0 : let mut timeline_id: Option<TimelineId> = None;
479 0 :
480 0 : let query = request.uri().query().unwrap_or("");
481 0 : let mut values = url::form_urlencoded::parse(query.as_bytes());
482 :
483 0 : for (k, v) in &mut values {
484 0 : match k.as_ref() {
485 0 : "dump_all" => dump_all = Some(parse_kv_str(&k, &v)?),
486 0 : "dump_control_file" => dump_control_file = Some(parse_kv_str(&k, &v)?),
487 0 : "dump_memory" => dump_memory = Some(parse_kv_str(&k, &v)?),
488 0 : "dump_disk_content" => dump_disk_content = Some(parse_kv_str(&k, &v)?),
489 0 : "dump_term_history" => dump_term_history = Some(parse_kv_str(&k, &v)?),
490 0 : "dump_wal_last_modified" => dump_wal_last_modified = Some(parse_kv_str(&k, &v)?),
491 0 : "tenant_id" => tenant_id = Some(parse_kv_str(&k, &v)?),
492 0 : "timeline_id" => timeline_id = Some(parse_kv_str(&k, &v)?),
493 0 : _ => Err(ApiError::BadRequest(anyhow::anyhow!(
494 0 : "Unknown query parameter: {}",
495 0 : k
496 0 : )))?,
497 : }
498 : }
499 :
500 0 : let dump_all = dump_all.unwrap_or(false);
501 0 : let dump_control_file = dump_control_file.unwrap_or(dump_all);
502 0 : let dump_memory = dump_memory.unwrap_or(dump_all);
503 0 : let dump_disk_content = dump_disk_content.unwrap_or(dump_all);
504 0 : let dump_term_history = dump_term_history.unwrap_or(true);
505 0 : let dump_wal_last_modified = dump_wal_last_modified.unwrap_or(dump_all);
506 0 :
507 0 : let args = debug_dump::Args {
508 0 : dump_all,
509 0 : dump_control_file,
510 0 : dump_memory,
511 0 : dump_disk_content,
512 0 : dump_term_history,
513 0 : dump_wal_last_modified,
514 0 : tenant_id,
515 0 : timeline_id,
516 0 : };
517 :
518 0 : let resp = debug_dump::build(args)
519 0 : .await
520 0 : .map_err(ApiError::InternalServerError)?;
521 :
522 0 : let started_at = std::time::Instant::now();
523 0 :
524 0 : let (tx, rx) = mpsc::channel(1);
525 0 :
526 0 : let body = Body::wrap_stream(ReceiverStream::new(rx));
527 0 :
528 0 : let mut writer = ChannelWriter::new(128 * 1024, tx);
529 0 :
530 0 : let response = Response::builder()
531 0 : .status(200)
532 0 : .header(hyper::header::CONTENT_TYPE, "application/octet-stream")
533 0 : .body(body)
534 0 : .unwrap();
535 :
536 0 : let span = info_span!("blocking");
537 0 : tokio::task::spawn_blocking(move || {
538 0 : let _span = span.entered();
539 0 :
540 0 : let res = serde_json::to_writer(&mut writer, &resp)
541 0 : .map_err(std::io::Error::from)
542 0 : .and_then(|_| writer.flush());
543 0 :
544 0 : match res {
545 : Ok(()) => {
546 0 : tracing::info!(
547 0 : bytes = writer.flushed_bytes(),
548 0 : elapsed_ms = started_at.elapsed().as_millis(),
549 0 : "responded /v1/debug_dump"
550 : );
551 : }
552 0 : Err(e) => {
553 0 : tracing::warn!("failed to write out /v1/debug_dump response: {e:#}");
554 : // semantics of this error are quite... unclear. we want to error the stream out to
555 : // abort the response to somehow notify the client that we failed.
556 : //
557 : // though, most likely the reason for failure is that the receiver is already gone.
558 0 : drop(
559 0 : writer
560 0 : .tx
561 0 : .blocking_send(Err(std::io::ErrorKind::BrokenPipe.into())),
562 0 : );
563 : }
564 : }
565 0 : });
566 0 :
567 0 : Ok(response)
568 0 : }
569 :
570 : /// Safekeeper http router.
571 0 : pub fn make_router(conf: SafeKeeperConf) -> RouterBuilder<hyper::Body, ApiError> {
572 0 : let mut router = endpoint::make_router();
573 0 : if conf.http_auth.is_some() {
574 0 : router = router.middleware(auth_middleware(|request| {
575 : #[allow(clippy::mutable_key_type)]
576 0 : static ALLOWLIST_ROUTES: Lazy<HashSet<Uri>> = Lazy::new(|| {
577 0 : ["/v1/status", "/metrics"]
578 0 : .iter()
579 0 : .map(|v| v.parse().unwrap())
580 0 : .collect()
581 0 : });
582 0 : if ALLOWLIST_ROUTES.contains(request.uri()) {
583 0 : None
584 : } else {
585 : // Option<Arc<SwappableJwtAuth>> is always provided as data below, hence unwrap().
586 0 : request
587 0 : .data::<Option<Arc<SwappableJwtAuth>>>()
588 0 : .unwrap()
589 0 : .as_deref()
590 : }
591 0 : }))
592 0 : }
593 :
594 : // NB: on any changes do not forget to update the OpenAPI spec
595 : // located nearby (/safekeeper/src/http/openapi_spec.yaml).
596 0 : let auth = conf.http_auth.clone();
597 0 : router
598 0 : .data(Arc::new(conf))
599 0 : .data(auth)
600 0 : .get("/metrics", |r| request_span(r, prometheus_metrics_handler))
601 0 : .get("/v1/status", |r| request_span(r, status_handler))
602 0 : .put("/v1/failpoints", |r| {
603 0 : request_span(r, move |r| async {
604 0 : check_permission(&r, None)?;
605 0 : let cancel = CancellationToken::new();
606 0 : failpoints_handler(r, cancel).await
607 0 : })
608 0 : })
609 0 : .delete("/v1/tenant/:tenant_id", |r| {
610 0 : request_span(r, tenant_delete_handler)
611 0 : })
612 0 : // Will be used in the future instead of implicit timeline creation
613 0 : .post("/v1/tenant/timeline", |r| {
614 0 : request_span(r, timeline_create_handler)
615 0 : })
616 0 : .get("/v1/tenant/timeline", |r| {
617 0 : request_span(r, timeline_list_handler)
618 0 : })
619 0 : .get("/v1/tenant/:tenant_id/timeline/:timeline_id", |r| {
620 0 : request_span(r, timeline_status_handler)
621 0 : })
622 0 : .delete("/v1/tenant/:tenant_id/timeline/:timeline_id", |r| {
623 0 : request_span(r, timeline_delete_handler)
624 0 : })
625 0 : .post("/v1/pull_timeline", |r| {
626 0 : request_span(r, timeline_pull_handler)
627 0 : })
628 0 : .get(
629 0 : "/v1/tenant/:tenant_id/timeline/:timeline_id/snapshot/:destination_id",
630 0 : |r| request_span(r, timeline_snapshot_handler),
631 0 : )
632 0 : .post(
633 0 : "/v1/tenant/:tenant_id/timeline/:source_timeline_id/copy",
634 0 : |r| request_span(r, timeline_copy_handler),
635 0 : )
636 0 : .patch(
637 0 : "/v1/tenant/:tenant_id/timeline/:timeline_id/control_file",
638 0 : |r| request_span(r, patch_control_file_handler),
639 0 : )
640 0 : .post(
641 0 : "/v1/tenant/:tenant_id/timeline/:timeline_id/checkpoint",
642 0 : |r| request_span(r, timeline_checkpoint_handler),
643 0 : )
644 0 : .get("/v1/tenant/:tenant_id/timeline/:timeline_id/digest", |r| {
645 0 : request_span(r, timeline_digest_handler)
646 0 : })
647 0 : .post(
648 0 : "/v1/tenant/:tenant_id/timeline/:timeline_id/backup_partial_reset",
649 0 : |r| request_span(r, timeline_backup_partial_reset),
650 0 : )
651 0 : .post(
652 0 : "/v1/tenant/:tenant_id/timeline/:timeline_id/term_bump",
653 0 : |r| request_span(r, timeline_term_bump_handler),
654 0 : )
655 0 : .post("/v1/record_safekeeper_info/:tenant_id/:timeline_id", |r| {
656 0 : request_span(r, record_safekeeper_info)
657 0 : })
658 0 : .get("/v1/debug_dump", |r| request_span(r, dump_debug_handler))
659 0 : }
660 :
661 : #[cfg(test)]
662 : mod tests {
663 : use super::*;
664 :
665 : #[test]
666 1 : fn test_term_switch_entry_api_serialize() {
667 1 : let state = AcceptorStateStatus {
668 1 : term: 1,
669 1 : epoch: 1,
670 1 : term_history: vec![TermSwitchApiEntry {
671 1 : term: 1,
672 1 : lsn: Lsn(0x16FFDDDD),
673 1 : }],
674 1 : };
675 1 : let json = serde_json::to_string(&state).unwrap();
676 1 : assert_eq!(
677 1 : json,
678 1 : "{\"term\":1,\"epoch\":1,\"term_history\":[{\"term\":1,\"lsn\":\"0/16FFDDDD\"}]}"
679 1 : );
680 1 : }
681 : }
|
