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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

Unreleased section should follow Release Toolkit

Unreleased

v2.21.2 - 2024-05-08

⛓️ Dependencies

  • Updated golang version to v1.22.3

v2.21.1 - 2024-04-10

⛓️ Dependencies

  • Updated golang version to v1.22.2

v2.21.0 - 2024-02-21

🚀 Enhancements

  • Added XPrometheusHeader to allow exporters to give up complex computation when needed.

v2.20.1 - 2024-01-03

⛓️ Dependencies

  • Updated github.com/prometheus/client_golang to v1.18.0 - Changelog 🔗

v2.20.0 - 2023-12-20

🚀 Enhancements

  • Skip prometheus services with non-existing port

⛓️ Dependencies

v2.19.0 - 2023-11-02

🚀 Enhancements

  • updated go to 1.21
  • updated several dependencies

v2.18.7 - 2023-08-30

⛓️ Dependencies

v2.18.6 - 2023-08-02

⛓️ Dependencies

  • Updated github.com/containerd/containerd to v1.7.3 - Changelog 🔗
  • Updated golang to v1.20.7

v2.18.5 - 2023-06-28

⛓️ Dependencies

  • Updated go to 1.20

v2.18.4 - 2023-06-21

⛓️ Dependencies

  • Updated kubernetes packages to v0.27.3
  • Updated github.com/prometheus/client_golang to v1.16.0 - Changelog 🔗

v2.18.3 - 2023-06-07

⛓️ Dependencies

v2.18.2 - 2023-05-31

⛓️ Dependencies

v2.18.1 - 2023-05-24

⛓️ Dependencies

  • Updated github.com/prometheus/client_model to v0.4.0 - Changelog 🔗
  • Updated kubernetes packages to v0.27.2
  • Updated github.com/prometheus/common to v0.44.0 - Changelog 🔗
  • Updated github.com/sirupsen/logrus to v1.9.2 - Changelog 🔗
  • Updated github.com/stretchr/testify to v1.8.3 - Changelog 🔗
  • Updated alpine to v3.18
  • Updated github.com/containerd/containerd to v1.7.1 - Changelog 🔗
  • Upgraded google.golang.org/protobuf from 1.29.0 to 1.29.1

2.18.0 (2023-03-08)

Changed

  • Upgrade Go to 1.19 and bump dependencies

v2.17.0

Changed

  • Exposed self_metrics_listening_address to set listening address for self-metrics, having as default :8080.
  • Several dependencies updated

v2.16.7

Changed

  • Several dependencies updated
  • Updated go to 1.19

2.16.6

Changed

  • Several dependencies updated

Fix

  • #344 The Bug was caused by a wrong implementation of the filtering feature. In particular, it was not possible having lowDataMode=true to filter out everything including just some metrics.

2.16.5

Changed

  • Several dependencies updated

2.16.4

Changed

  • Several dependencies updated

2.16.3

Changed

  • Several dependencies updated
  • The use_bearer config is now exposed the config for static targets by @paologallinaharbur in #327

2.16.2

Fix

  • AcceptHeader was including application/openmetrics-text that was not fully supported by the nri-prometheus parser

2.16.1

Fix

  • Query params were not included if port was specified by @paologallinaharbur in #301

2.16.0

Changed

  • Query parameters, such as ?format=prometheus, can now be specified in the prometheus.io/path label/annotation

2.15.0

Changed

  • Added UseBearer flag and set it to true for nodes by @roobre in #264
  • chore(deps): bump github.com/prometheus/common from 0.32.1 to 0.33.0 by @dependabot in #271
  • chore(deps): bump golangci/golangci-lint-action from 2 to 3.1.0 by @dependabot in #261

2.14.0

Changed

  • Bump SDK version
  • Remove entity synthesis and add ignoreEntity flag.
  • Host replacer to be on emitter replacing targetName and scrapedTargetName if nriHostID is set and host=localhost

2.13.0

Changed

  • Add Prometheus accept header by @gsanchezgavier in #253
  • chore(deps): bump github.com/prometheus/client_golang from 1.11.0 to 1.12.1 by @dependabot in #251

2.12.0

Features

  • Updated dependencies

2.11.0

Features

  • Add the ability to ignore metrics by type by @smcavallo in #238

2.10.0

Features

  • Add support for prometheus.io/scheme by @vihangm in #240

Changed

  • Remove static manifests from this repo by @kang-makes in #237
  • Improve formatting in packages and make imports more consistent by @invidian in #197
  • Bump Dependencies.

2.9.0

Changed

  • Dependency have been bumped. Notably, this includes a new version of the telemetry sdk which should improve performance when submitting metrics from large targets. #220
  • Updated manifest in preparation of 1.22 support #220

2.8.0

Changed

  • infraSDK should use Cumulative Count to send deltas
  • metadata is read from config in order to set integration version and name from an external source
  • latest image is now published
  • Improved entity synthesis to be uniform with different projects
  • Improved common attributes management

2.7.0

Changed

  • Several non-critical dependencies have been updated to their latest versions (#175)
  • Prometheus dependencies have been upgraded to their latest version (#176)
  • Kubernetes client dependencies have been upgraded to latest available versions (#179)

Fixed

  • Fixed a bug that caused nri-prometheus to panic if prometheus.io/path was set to an empty string (#182)
    • An empty value for prometheus.io/path will now be intepreted as / path.

2.6.1

Changed

  • Several dependencies have been bumped to their latest versions

2.6.0

Feature

While services with the a prometheus.io/scrape annotation can be discovered, nri-prometheus used to scrape only the service itself and not service endpoints.

Two new config options have been added ScrapeServices (default true) and ScrapeEndpoints(default false). Please notice that enabling the latter depending the number of endpoints in the cluster can increase considerably the load.

Moreover unless there is the need for backward compatibility there is no reason for having both options set to true

Fix

  • When a page is partially loaded, an unexpected EOF error is raised, but is squashed by the prometheus decoder. This PR exposes the unexpected EOF error (io.ErrUnexpectedEOF) and avoids only partially reporting metrics which can lead to weird behavior of metrics that are compositions in the UI.

2.5.0

Changed

  • Removed definition path from configuration file
  • Added support for ARM and ARM64 images

2.4.1

Changed

  • Fixed name structure for tar.gz packages

2.4.0

Changed

  • Upgrade base image to alpine:3.12 (#135)
  • Expose advanced config flags in sample yaml files (#131)
  • Update infra SDK to v4 stable (#128)

2.3.1

Changed

  • Implemented automated load testing for regression tests (#109, #112, #126)
  • Fixed a bug that caused nri-prometheus to consume too much memory if too much data was ingested per unit of time (#124)
  • Fixed a bug in the telemtry-sdk which caused big metric payloads to fail to fail to be reported in some rare cases (#127)
  • Fixed a bug in the release pipeline that caused K8s manifests to not be upload to download.newrelic.com (#125)
  • Fixed a bug that caused the integration version to be reported as dev (#122)

2.3.0

Changed

b2f8b87 fix: summary "sum" metric must also be sent as delta (#101) 181024e fix: resetting metrics to avoid leakage (#98) a316f58 fix: update sdk fixes count type metrics agent error (#96) 108d60f feat: accept duplicated service definitions (#94) fffc410 fix: ensuring ordering of labels (#89) 568957c fix: Entity type format changed (#88) 120c78d fix: rename dimensions to labels in entity properties (#87)

2.2.0

Changed

  • Various performance improvements
  • Adjustable fetcher worker threads

Fixed

  • Default configs emitter and definition path
  • Use personal token for helm bumper

2.1.0

Changed

  • Upgrade the Go Telemetry SDK to version 0.4.0 to fix an issue with retrying failed requests.

2.0.0

Breaking change

The way how Summary and Histogram metric types has been changed, they are sent as they come from Prometheus, without adding custom suffixes or calculating percentiles from the integration side:

  • xxx_bucket is ingested as a Counter (converted to a delta rather than accumulative). Metrics containing dimension "le" == '+Inf' are also sent, we don't omit them.
  • xxx_count is passed through as a Counter (converted to a delta rather than accumulative).
  • xxx_total passed through as a Counter (converted to a delta rather than accumulative).
  • xxx_sum is passed through as a NR Summary converted to a delta rather than accumulative, Min and Max here should be NaN. Its value can be negative. The count field of the summary should be 1.
  • For Prometheus summary metrics, we report the quantile as a dimension and we don't add a "percentile" dimension.

1.5.0

Changed

  • Change the default for the New Relic telemetry emitter delta calculator expiration age and expiration check interval to 5 minutes. These values can now be configured with the following options telemetry_emitter_delta_expiration_age and telemetry_emitter_delta_expiration_check_interval. This solves the issue with missing counters when the scrape interval takes more than the hard-coded 30 minutes values that we had previously.
  • Use go modules instead of govendor for managing project dependencies.

1.4.0

Changed

  • Redact the password from URLs using simple authentication when storing target metadata.

Fixed

  • Encoding of URL parameter is the annotation/label prometheus.io/path is fixed.

1.3.0

Changed

  • Upgrade the Go Telemetry SDK to version 0.2.0 to fix an issue with NaN values.

1.2.2

Added

  • Obfuscate the license key when logging the configuration. Running on debug mode prints the configuration object, this included the license key, to prevent users from leaking their credentials when sharing their logs for troubleshooting, if the license key is used in any kind of to string, print or log statement the symbol **** will be returned.

Changed

  • The transformation located in the nri-prometheus-cfg config map of the deploy manifest template is commented by default. It's left in the manifest as an example on how to use transformations. Installing with the new manifest will not filter metrics and everything will be sent to the New Relic platform.

Fixed

  • Fixed a bug that caused newly created pods without a valid podIP to be discovered and cached, and not be scraped unless nri-prometheus was restarted.

1.2.1

Fixed

  • Skip the check for the emitter_ca_file if it's empty.

1.2.0

Added

  • Support for HTTP(S) proxy for the emitters via the config options emitter_proxy, emitter_ca_file and emitter_insecure_skip_verify.
  • Reconnect support when resource watcher connection is dropped.
  • Add support for Histograms and Summaries following New Relic's guidelines for higher-level metric abstractions.

Changed

  • Fix and refactor self describing metrics
  • Fix how the scrape interval is respected.

0.10.3

Added

  • Decorate samples with k8s.cluster.name.

Fixed

  • Logic for target discovery was adding nodes even when they were not labelled and required a label to be scraped.
  • The SCRAPE_DURATION time is respected even when the scrape cycle might finish earlier.

0.10.2

Added

  • Support for scraping static targets using (mutual) TLS authentication.

Changed

  • By default do not skip the TLS verification.
  • Revamp of the static target configuration:
    • endpoints key renamed to targets. If you had endpoints configured before, you need to update your configuration and restart the scraper.
    • Each item in target can contain one or many urls in the urls key. This key is always a list.
    • Each target hosts its own TLS configuration in the tls_config key.
    • The TLS configuration contains 3 keys: ca_file_path, cert_file_path and key_file_path
  • Rename rules are executed at the end of the transformations pipeline. Now Copy attributes rules are being executed before it, so the name of metrics being used for matching the source and the dest match with the original scraped instead of the renamed one.

Removed

  • Static targets cannot be configured via environment variables anymore, as it requires a complex structure now. See the Changed section for more information.

0.10.1

Fixed

  • The Telemetry Emitter now correctly handles counter metrics.

0.10.0 - 2019-07-02

Added

  • Integration benchmark
  • scrape_duration configuration option to specify the length in time to distribute the scraping from the endpoints.
  • Ignore rule accepts now exceptions.

Changed

  • Delta calculator memory optimization
  • Avoid growing slices when converting from Prometheus metrics to our internal DTO by setting the final capacity. This reduces memory allocs.
  • Optimized Target Metadata generation
  • Distributed targets fetching on time, to avoid memory peaks and big heaps.
  • Putting processing rules in contiguous memory to decrease the working set of the process.
  • Emitters are now responsible for any delta calculation.
  • The default emitter now is the Go Telemetry SDK.

Removed

  • Unused RawMetrics field from TargetMetrics data structure.

0.9.0 - 2019-06-12

Added

  • Transformation rule to add static attributes, i.e. a cluster name, through the configuration.
  • Default attributes to decorate the metrics with: clusterName, integrationVersion and integrationName.
  • Mount pprof http endpoints when running in debug mode.
  • targetName attribute added to the metrics when converting from Prometheus metrics.
  • Integration benchmark

Changed

  • Now convert Prometheus metric types to our own types in the fetchers.
  • Emitters now receive Metrics instead of Observations to avoid coupling with the format of especific emitters.
  • Convert Prometheus counters into New Relic counts
  • Adapter the fetcher to use the worker concurrency pattern instead of starting blocked go routines.

Removed

  • nrMetricName and nrMetricType aren't added as metric attributes anymore. This is done by the Metric API.
  • metadata field removed from the Metric type.
  • labels field removed from the Target type.
  • The parallel emitter has been removed.

Fixed

  • Now listing pods when looking for targets.
  • The Kubernetes target retriever now removes targets if their scrape label is removed or not true anymore.

0.8.2 - 2019-04-17

Fixed

  • StartTimeMs is now generated correctly.

0.8.1 - 2019-04-16

Fixed

  • StartTimeMs values are correctly sent as milliseconds.
  • Update the Kubernetes retriever to continue watching the objects when there is an error listing them.

0.8.0 - 2019-03-04

Changed

  • Transformations config format
  • Internal refactoring

0.7.0 - 2019-02-25

Added

  • Add support for reading config options from a configuration file
  • Read processing rules from the config file

Changed

  • Rename URL config option and its default value
  • Modify docker images to don't use the root user

0.6.0 - 2019-02-22

Changed

  • Added more rename attributes for known exporters

0.5.0 - 2019-02-22

Changed

  • Prefix metric attributes that are coming from K8s object labels

Removed

  • Removed "entityName" attribute from all the metrics

0.4.0 - 2019-02-22

Added

  • Log error when a request to the metric API is not successful
  • Support for K8s clusters using RBAC

Changed

  • Rename the attribute with info about the scraped endpoint

0.3.0 - 2019-02-20

Added

  • Decorate metrics from K8s targets with K8s context attributes
  • Add option to decorate metrics automatically

Changed

  • Ignore unsupported metric type
  • Send Prometheus untyped metrics as gauges
  • Renamed the integration

0.2.0 - 2019-02-20

Added

  • Emitters: "api" and "stdout"
  • Configurable list of static endpoints
  • Integration metrics

Changed

  • Refactor: Decoupled data processing pipeline
  • v0.3.0 metrics format
  • Watch Kubernetes objects

Removed

  • New Relic infrastructure agent dependency

0.1.0 - 2019-02-13

Added

  • Initial version