[bot] Bump openshift/prometheus to v2.45.0

.github/CODEOWNERS

@@ -2,6 +2,6 @@
 /web/ui/module @juliusv @nexucis
 /storage/remote @csmarchbanks @cstyan @bwplotka @tomwilkie
 /discovery/kubernetes @brancz
-/tsdb @codesome
+/tsdb @jesusvazquez
 /promql @roidelapluie
 /cmd/promtool @dgl

.github/workflows/buf-lint.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: bufbuild/buf-setup-action@v1.16.0
+      - uses: bufbuild/buf-setup-action@v1.17.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
       - uses: bufbuild/buf-lint-action@v1

.github/workflows/buf.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: bufbuild/buf-setup-action@v1.16.0
+      - uses: bufbuild/buf-setup-action@v1.17.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
       - uses: bufbuild/buf-lint-action@v1

.golangci.yml

@@ -13,8 +13,9 @@ linters:
     - gocritic
     - gofumpt
     - goimports
-    - revive
     - misspell
+    - predeclared
+    - revive
     - unconvert
     - unused
 

.yamllint → .yamllint.yml

@@ -20,5 +20,4 @@ rules:
       config/testdata/section_key_dup.bad.yml
   line-length: disable
   truthy:
-    ignore: |
-      .github/workflows/*.yml
+    check-keys: false

CHANGELOG.md

@@ -1,5 +1,29 @@
 # Changelog
 
+
+## 2.45.0 / 2023-06-23
+
+This release is a LTS (Long-Term Support) release of Prometheus and will
+receive security, documentation and bugfix patches for at least 12 months.
+Please read more about our LTS release cycle at
+<https://prometheus.io/docs/introduction/release-cycle/>.
+
+* [FEATURE] API: New limit parameter to limit the number of items returned by `/api/v1/status/tsdb` endpoint. #12336
+* [FEATURE] Config: Add limits to global config. #12126
+* [FEATURE] Consul SD: Added support for `path_prefix`. #12372
+* [FEATURE] Native histograms: Add option to scrape both classic and native histograms. #12350
+* [FEATURE] Native histograms: Added support for two more arithmetic operators `avg_over_time` and `sum_over_time`. #12262
+* [FEATURE] Promtool: When providing the block id, only one block will be loaded and analyzed. #12031
+* [FEATURE] Remote-write: New Azure ad configuration to support remote writing directly to Azure Monitor workspace. #11944
+* [FEATURE] TSDB: Samples per chunk are now configurable with flag `storage.tsdb.samples-per-chunk`. By default set to its former value 120. #12055
+* [ENHANCEMENT] Native histograms: bucket size can now be limited to avoid scrape fails. #12254
+* [ENHANCEMENT] TSDB: Dropped series are now deleted from the WAL sooner. #12297
+* [BUGFIX] Native histograms: ChunkSeries iterator now checks if a new sample can be appended to the open chunk. #12185
+* [BUGFIX] Native histograms: Fix Histogram Appender `Appendable()` segfault. #12357
+* [BUGFIX] Native histograms: Fix setting reset header to gauge histograms in seriesToChunkEncoder. #12329
+* [BUGFIX] TSDB: Tombstone intervals are not modified after Get() call. #12245
+* [BUGFIX] TSDB: Use path/filepath to set the WAL directory. #12349
+
 ## 2.44.0 / 2023-05-13
 
 This version is built with Go tag `stringlabels`, to use the smaller data
@@ -20,6 +44,10 @@ details about this code change see #10991.
 * [BUGFIX] TSDB: Block compaction failed when shutting down. #12179
 * [BUGFIX] TSDB: Out-of-order chunks could be ignored if the write-behind log was deleted. #12127
 
+## 2.43.1 / 2023-05-03
+
+* [BUGFIX] Labels: `Set()` after `Del()` would be ignored, which broke some relabeling rules. #12322
+
 ## 2.43.0 / 2023-03-21
 
 We are working on some performance improvements in Prometheus, which are only
@@ -33,7 +61,7 @@ the gains on their production architecture. We are providing release artefacts
 improvements for testing. #10991
 
 * [FEATURE] Promtool: Add HTTP client configuration to query commands. #11487
-* [FEATURE] Scrape: Add `include_scrape_configs` to include scrape configs from different files. #12019
+* [FEATURE] Scrape: Add `scrape_config_files` to include scrape configs from different files. #12019
 * [FEATURE] HTTP client: Add `no_proxy` to exclude URLs from proxied requests. #12098
 * [FEATURE] HTTP client: Add `proxy_from_enviroment` to read proxies from env variables. #12098
 * [ENHANCEMENT] API: Add support for setting lookback delta per query via the API. #12088

CONTRIBUTING.md

@@ -85,7 +85,7 @@ The PromQL parser grammar is located in `promql/parser/generated_parser.y` and i
 The parser is built using [goyacc](https://pkg.go.dev/golang.org/x/tools/cmd/goyacc)
 
 If doing some sort of debugging, then it is possible to add some verbose output. After generating the parser, then you
-can modify the the `./promql/parser/generated_parser.y.go` manually.
+can modify the `./promql/parser/generated_parser.y.go` manually.
 
 ```golang
 // As of writing this was somewhere around line 600.

README.md

@@ -34,7 +34,7 @@ The features that distinguish Prometheus from other metrics and monitoring syste
 
 ## Architecture overview
 
-![Architecture overview](https://cdn.jsdelivr.net/gh/prometheus/prometheus@c34257d069c630685da35bcef084632ffd5d6209/documentation/images/architecture.svg)
+![Architecture overview](documentation/images/architecture.svg)
 
 ## Install
 

RELEASE.md

@@ -49,7 +49,8 @@ Release cadence of first pre-releases being cut is 6 weeks.
 | v2.42          | 2023-01-25                                 | Kemal Akkoyun (GitHub: @kakkoyun)           |
 | v2.43          | 2023-03-08                                 | Julien Pivotto (GitHub: @roidelapluie)      |
 | v2.44          | 2023-04-19                                 | Bryan Boreham (GitHub: @bboreham)           |
-| v2.45          | 2023-05-31                                 | **searching for volunteer**                 |
+| v2.45 LTS      | 2023-05-31                                 | Jesus Vazquez (Github: @jesusvazquez)       |
+| v2.46          | 2023-07-12                                 | **searching for volunteer**                 |
 
 If you are interested in volunteering please create a pull request against the [prometheus/prometheus](https://github.com/prometheus/prometheus) repository and propose yourself for the release series of your choice.
 

VERSION

@@ -1 +1 @@
-2.44.0
+2.45.0

cmd/prometheus/main.go

@@ -337,6 +337,9 @@ func main() {
 	serverOnlyFlag(a, "storage.tsdb.head-chunks-write-queue-size", "Size of the queue through which head chunks are written to the disk to be m-mapped, 0 disables the queue completely. Experimental.").
 		Default("0").IntVar(&cfg.tsdb.HeadChunksWriteQueueSize)
 
+	serverOnlyFlag(a, "storage.tsdb.samples-per-chunk", "Target number of samples per chunk.").
+		Default("120").Hidden().IntVar(&cfg.tsdb.SamplesPerChunk)
+
 	agentOnlyFlag(a, "storage.agent.path", "Base path for metrics storage.").
 		Default("data-agent/").StringVar(&cfg.agentStoragePath)
 
@@ -1050,6 +1053,7 @@ func main() {
 
 				startTimeMargin := int64(2 * time.Duration(cfg.tsdb.MinBlockDuration).Seconds() * 1000)
 				localStorage.Set(db, startTimeMargin)
+				db.SetWriteNotified(remoteStorage)
 				close(dbOpen)
 				<-cancel
 				return nil
@@ -1482,11 +1486,11 @@ func (s *readyStorage) Snapshot(dir string, withHead bool) error {
 }
 
 // Stats implements the api_v1.TSDBAdminStats interface.
-func (s *readyStorage) Stats(statsByLabelName string) (*tsdb.Stats, error) {
+func (s *readyStorage) Stats(statsByLabelName string, limit int) (*tsdb.Stats, error) {
 	if x := s.get(); x != nil {
 		switch db := x.(type) {
 		case *tsdb.DB:
-			return db.Head().Stats(statsByLabelName), nil
+			return db.Head().Stats(statsByLabelName, limit), nil
 		case *agent.DB:
 			return nil, agent.ErrUnsupported
 		default:
@@ -1543,6 +1547,7 @@ type tsdbOptions struct {
 	NoLockfile                     bool
 	WALCompression                 bool
 	HeadChunksWriteQueueSize       int
+	SamplesPerChunk                int
 	StripeSize                     int
 	MinBlockDuration               model.Duration
 	MaxBlockDuration               model.Duration
@@ -1563,6 +1568,7 @@ func (opts tsdbOptions) ToTSDBOptions() tsdb.Options {
 		AllowOverlappingCompaction:     true,
 		WALCompression:                 opts.WALCompression,
 		HeadChunksWriteQueueSize:       opts.HeadChunksWriteQueueSize,
+		SamplesPerChunk:                opts.SamplesPerChunk,
 		StripeSize:                     opts.StripeSize,
 		MinBlockDuration:               int64(time.Duration(opts.MinBlockDuration) / time.Millisecond),
 		MaxBlockDuration:               int64(time.Duration(opts.MaxBlockDuration) / time.Millisecond),

cmd/promtool/tsdb.go

@@ -398,26 +398,20 @@ func openBlock(path, blockID string) (*tsdb.DBReadOnly, tsdb.BlockReader, error)
 	if err != nil {
 		return nil, nil, err
 	}
-	blocks, err := db.Blocks()
-	if err != nil {
-		return nil, nil, err
-	}
-	var block tsdb.BlockReader
-	switch {
-	case blockID != "":
-		for _, b := range blocks {
-			if b.Meta().ULID.String() == blockID {
-				block = b
-				break
-			}
+
+	if blockID == "" {
+		blockID, err = db.LastBlockID()
+		if err != nil {
+			return nil, nil, err
 		}
-	case len(blocks) > 0:
-		block = blocks[len(blocks)-1]
 	}
-	if block == nil {
-		return nil, nil, fmt.Errorf("block %s not found", blockID)
+
+	b, err := db.Block(blockID)
+	if err != nil {
+		return nil, nil, err
 	}
-	return db, block, nil
+
+	return db, b, nil
 }
 
 func analyzeBlock(path, blockID string, limit int, runExtended bool) error {