Update grafana/loki Docker tag to v2.5.0

This MR contains the following updates:

Package	Type	Update	Change
grafana/loki	ironbank-docker	minor	2.4.2 -> 2.5.0
grafana/loki		minor	2.4.2 -> 2.5.0
grafana/loki	stage	minor	2.4.2 -> 2.5.0

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Release Notes

grafana/loki

v2.5.0

Compare Source

Release notes for 2.5.0 can be found on the release notes page

All Changes

Here is a list of all significant changes, in the past we have included all changes but with over 500 MR's merged since the last release we decided to curate the list to include only the most relevant.

Loki

Enhancements

• 5542 bboreham: regexp filter: use modified package with optimisations
• 5318 jeschkies: Speed up EntrySortIterator by 20%.
• 5317 owen-d: Logql/parallel binop
• 5315 bboreham: filters: use faster regexp package
• 5311 vlad-diachenko: Removed redundant memory allocations in parsers
• 5291 owen-d: less opaque chunk keys on fs with v12
• 5275 SasSwart: Parse duration expressions in accordance with promql
• 5249 3JIou-home: Push: add deflate compression in post requests
• 5160 sandeepsukhani: add objects list caching for boltdb-shipper index store to reduce object storage list api calls
• 5148 chaudum: Auto-expire old items from FIFO cache
• 5093 liguozhong: [enhancement] querier : Add "query_memory_only" to make loki have option to rely only on memory availability.
• 5078 ssncferreira: Loki: Implement custom /config handler (#​4785)
• 5054 JordanRushing: new v12 schema optimized to better handle S3 prefix rate limits
• 5013 liguozhong: [new feature] logql: extrapolate unwrapped rate function
• 4947 siavashs: Support Redis Cluster Configuration Endpoint
• 4938 DylanGuedes: Add distributor ring page
• 4879 cyriltovena: LogQL: add line function to | line_format template
• 4858 sandy2008: feat(): add ManagedIdentity in Azure Blob Storage
• 4826 cyriltovena: Adds the ability to hedge storage requests.
• 4785 DylanGuedes: Loki: Print current config by calling /config
• 4775 jeschkies: Make * and + non-greedy to double regex filter speed.
• 4769 cyriltovena: Improve LogQL format stages requireLabel
• 4731 cyriltovena: Improve heap iterators.
• 4394 cyriltovena: Improve case insensitive search to avoid allocations.

Fixes

• 5768 slim-bean: Loki: Increase flush_op_timeout default from 10s to 10m
• 5761 slim-bean: Promtil: Fix a panic when using the loki push api target.
• 5622 chaudum: Preserve interval parameter when splitting queries by time
• 5541 bboreham: Queries: update package to reject very deeply nested regexps which could crash Loki
• 5527 liguozhong: [bugfix] fix nil pointer
• 5474 cyriltovena: Disable sharding of count/avg when labels are mutated
• 5472 MasslessParticle: Fix potential deadlock in the table manager
• 5444 cyriltovena: Do not insert missing point when sharding
• 5425 cyriltovena: Do not use WaitGroup context for StepEvaluator
• 5423 cyriltovena: Correctly sets hash value for headblock iterator
• 5418 RangerCD: Fix two remote_timeout configs in ingester_client block
• 5413 MasslessParticle: Fix a deadlock in the Azure Blob client
• 5399 MasslessParticle: Fix Azure issue where 404 not recognized
• 5362 gotjosh: Ruler: Rule group not found API message
• 5342 sandeepsukhani: Fix apply retention issue
• 5334 kavirajk: Makes tailer.droppedStreams slice bounded.
• 5324 owen-d: Release entryBufferPool once
• 5303 owen-d: Better logic for when to shard wrt disabled lookback
• 5298 sandeepsukhani: fix a panic in index-gateway caused by double closing of a channel
• 5297 vlad-diachenko: Changed logic of handling RPC error with code Cancelled
• 5289 cyriltovena: Fixes log deduplication when mutating Labels using LogQL
• 5261 sandeepsukhani: use default retention period to check user index may have expired chunks when user does not have custom retention
• 5234 RangerCD: Ignore missing stream while querying from ingester
• 5168 kavirajk: Add nil check for Ruler BasicAuth config.
• 5144 dannykopping: Ruler: Fix remote write basic auth credentials
• 5113 kavirajk: Fix cancel issue between Query Frontend and Query Schdeduler
• 5080 kavirajk: Handle context cancellation in some of the querier downstream requests
• 5075 cyriltovena: Fixes a possible cancellation issue in the frontend
• 5063 cyriltovena: Fix deadlock in disconnecting querier
• 5060 cyriltovena: Fix race conditions in frontend_scheduler_worker.
• 5006 sandeepsukhani: fix splitting of queries when step is larger than split interval
• 4904 bboreham: ingester: use consistent set of instances to avoid panic
• 4902 cyriltovena: Fixes 500 when query is outside of max_query_lookback
• 4828 chaudum: Set correct Content-Type header in query response
• 4761 slim-bean: Loki: Set querier worker max concurrent regardless of run configuration.
• 4741 sandeepsukhani: index cleanup fixes while applying retention

Changes

• 5544 ssncferreira: Update vectorAggEvaluator to fail for expressions without grouping
• 5543 cyriltovena: update loki go version to 1.17.8
• 5450 BenoitKnecht: pkg/ruler/base: Add external_labels option
• 5435 slim-bean: set match_max_concurrent true by default
• 5361 cyriltovena: Add usage report into Loki.
• 5243 owen-d: Refactor/remove global splitby
• 5229 chaudum: Return early if push payload does not contain data
• 5217 sandeepsukhani: step align start and end time of the original query while splitting it
• 5204 trevorwhitney: Default max_outstanding_per_tenant to 2048
• 5181 sandeepsukhani: align metric queries by step and other queries by split interval
• 5178 liguozhong: Handle context cancellation in some of the querier store.index-cache-read.
• 5172 cyriltovena: Avoid splitting large range vector aggregation.
• 5125 sasagarw: Remove split-queries-by-interval validation
• 5091 owen-d: better defaults for flush queue parallelism
• 5083 liguozhong: [enhancement] querier cache: WriteBackCache should be off query path
• 5081 SasSwart: Add the option to configure memory ballast for Loki
• 5077 trevorwhitney: improve default config values
• 5067 cstyan: Add an egress bytes total metric to the azure client.
• 5026 sandeepsukhani: compactor changes for building per user index files in boltdb shipper
• 5023 ssncferreira: Move querier.split-queries-by-interval to a per-tenant configuration
• 5022 owen-d: adds instrumentation to azure object client
• 4942 cyriltovena: Allow to disable http2 for GCS.
• 4891 liguozhong: [optimization] cache prometheus : fix "loki_cache_request_duration_seconds_bucket" ‘status_code’ label always equals "200"
• 4737 owen-d: ensures components with required SRV lookups use the correct port
• 4736 sandeepsukhani: allow applying retention at different interval than compaction with a config
• 4656 ssncferreira: Fix dskit/ring metric with 'cortex_' prefix

Promtail

Enhancements

• 5359 JBSchami: Lambda-promtail: Enhance lambda-promtail to support adding extra labels from an environment variable value
• 5290 ssncferreira: Update promtail to support duration string formats
• 5051 liguozhong: [new] promtail pipeline: Promtail Rate Limit stage #​5048
• 5031 liguozhong: [new] promtail: add readline rate limit
• 4911 jeschkies: Provide Docker target and discovery in Promtail.
• 4813 cyriltovena: Promtail pull cloudflare logs
• 4744 cyriltovena: Add GELF support for Promtail.
• 4663 taisho6339: Add SASL&mTLS authentication support for Kafka in Promtail

Fixes

• 5497 MasslessParticle: Fix orphaned metrics in the file tailer
• 5409 ldb: promtail/targets/syslog: Enable best effort parsing for Syslog messages
• 5246 rsteneteg: Promtail: skip glob search if filetarget path is an existing file and not a directory
• 5238 littlepangdi: Promtail: fix TargetManager.run() not exit after stop is called
• 4874 Alan01252: Promtail: Fix replace missing adjacent capture groups
• 4832 taisho6339: Use http prefix path correctly in promtail
• 4716 cyriltovena: Fixes Promtail User-Agent.
• 5698 paullryan: Promtail: Fix retry/stop when erroring for out of cloudflare retention range (e.g. over 168 hours old)

Changes

• 5377 slim-bean: Promtail: Remove promtail_log_entries_bytes_bucket histogram
• 5266 jeschkies: Write Promtail position file atomically.
• 4794 taisho6339: Aggregate inotify watcher to file target manager
• 4745 taisho6339: Expose Kafka message key in labels

Logcli

• 5477 atomic77: logcli: Remove port from TLS server name when provided in --addr
• 4667 jeschkies: Package logcli as rpm and deb.
• 4606 kavirajk: Execute Loki queries on raw log data piped to stdin

Lambda-Promtail

• 5065 AndreZiviani: lambda-promtail: Add ability to ingest logs from S3

Fluent Bit

• 5223 cyriltovena: fluent-bit: Attempt to unmarshal nested json.

FluentD

• 5107 chaudum: fluentd: Fix bug that caused lines to be dropped when containing non utf-8 characters
• 5163 chaudum: Fix encoding error in fluentd client

Notes

This release was created from a branch starting at commit 6149121 but it may also contain backported changes from main.

Check the history of the branch release-2.5.x.

Dependencies

• Go Version: 1.17.8

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