karma/CHANGELOG.md

Changelog

[unreleased]

Added

• Added dedicated API endpoint for silence previews.

v0.87

Added

• Use uber-go/automaxprocs to automatically adjust GOMAXPROCS to match Linux container CPU quota. Runtime value of GOMAXPROCS is now exported as a go_max_procs metric.
• API will now return only first 40 alert groups by default, the rest can be loaded when user clicks on the Load more button. grid:groupLimit config option was added to customise how many groups are returned and displayed in the UI by default.

Changed

• Automatic grid label selection logic was tweaked to avoid splitting alert groups.

v0.86

Added

• Added support for alertmanager v0.22.0 negative matchers when creating/editing silences and in ACL rules.
• Silence ACL rules no longer default isRegex to be false for filters and matchers, see ACL rules for updated docs.

Changed

• Updated bootstrap to v5

v0.85

Fixed

• History queries were always failing due to wrong Prometheus API usage.
• URI handling for silence requests when proxy is used #3060.

Added

• Ability to rewrite source URIs for alert history via history:rewrite config section #3064.

v0.84

Added

• Added grid:auto config section for fine tuning automatic label selection for multi-grid, when multi-grid is configured to Automatic selection in the UI or when ui:multiGridLabel config section is set to @auto.
• Added alert history estimation, see README.md and docs/CONFIGURATION.md for details.

Changed

• karma will no longer fail to start if config file contains multiple alertmanager instances with different name but identical URI #3024.
• Minor UI tweaks.

v0.83

Added

• Added a new option on the list of labels used for multi-grid. When set in the UI to Automatic selection selection or @auto in ui:multiGridLabel config option karma will try to select the best grid label based on current alerts.

v0.82

Fixed

• Header values are now sanitised before logging when log:config is enabled #2930.
• Fixed a deadlock issue that could cause karma to hang #2944 (@jonaz).

Added

• listen:timeout:read and listen:timeout:write config options for setting HTTP server request read and response write timeouts.
• annotations:enableInsecureHTML config option #2886.

v0.81

Fixed

• Fixed a deadlock issue that could cause karma to hang #2888.

Added

• annotations:actions option allowing to move some annotations to alert dropdown menu #2596.
• proxy_url alertmanager option to use when a proxy sever needs to be used for requests from karma to alertmanager API #2903 (@mhrabovcin).

Changed

• Multi-grid label dropdown will only show label names from visible alerts.

v0.80

Added

• Add /robots.txt to block search engine crawlers.
• Easily change multi-grid source label via quick access dropdown on the grid header.

Changed

• Reworked how notifications are displayed.

v0.79

Fixed

• Not all labels were stripped when using lables:keep or labels:strip option #2585.

Added

• healthcheck:visible alertmanager option to control if healtcheck alerts should be visible in the UI #2614.

v0.78

Fixed

• Don't reset regex toggle when adding new silence labels #2520

Added

• Added support for DeadMansSwitch alerts via healtcheck:alerts option on alertmanager upstream configuration #2512. Example:

  • Setup always on alert in each Prometheus server (prom1 and prom2):

    - alert: DeadMansSwitch
      expr: vector(1)
    

  • Add healtcheck configuration to karma:

    alertmanager:
      servers:
        - name: am
          uri: https://alertmanager.example.com
          healthcheck:
            filters:
              prom1:
                - alertname=DeadMansSwitch
                - instance=prom1
              prom2:
                - alertname=DeadMansSwitch
                - instance=prom2
    

  If any of these alerts is missing from alertmanager karma will show a warning in the UI.

v0.77

Fixed

• Docker images reported version as dev #2479.

Changed

• Alert groups will be rendered with fewer details when idle.

v0.76

Fixed

• Fixed release builds using Github Actions

v0.75

Fixed

• Fixed auth bypass for /health and /metrics endpoints. Those endpoints should be always excluded from authentication but that was broken in v0.73 #2465.

Added

• listen:tls:cert and listen:tls:key config options for listening on HTTPS port

Changed

• ghcr.io/prymitive/karma is now used as the primary repository for docker images instead of Docker Hub
• alertAcknowledgement:commentPrefix config option was replaced by alertAcknowledgement:comment that can be used to customise the entire comment.