This update for golang-github-prometheus-alertmanager fixes the following issues:
- Update to version 0.28.1 (jsc#PED-13285):
- Improved performance of inhibition rules when using Equal
labels.
- Improve the documentation on escaping in UTF-8 matchers.
- Update alertmanager_config_hash metric help to document the
hash is not cryptographically strong.
- Fix panic in amtool when using --verbose.
- Fix templating of channel field for Rocket.Chat.
- Fix rocketchat_configs written as rocket_configs in docs.
- Fix usage for --enable-feature flag.
- Trim whitespace from OpsGenie API Key.
- Fix Jira project template not rendered when searching for
existing issues.
- Fix subtle bug in JSON/YAML encoding of inhibition rules that
would cause Equal labels to be omitted.
- Fix header for slack_configs in docs.
- Fix weight and wrap of Microsoft Teams notifications.
- Upgrade to version 0.28.0:
- CVE-2025-47908: Bump github.com/rs/cors (bsc#1247748).
- Templating errors in the SNS integration now return an error.
- Adopt log/slog, drop go-kit/log.
- Add a new Microsoft Teams integration based on Flows.
- Add a new Rocket.Chat integration.
- Add a new Jira integration.
- Add support for GOMEMLIMIT, enable it via the feature flag
--enable-feature=auto-gomemlimit.
- Add support for GOMAXPROCS, enable it via the feature flag
--enable-feature=auto-gomaxprocs.
- Add support for limits of silences including the maximum number
of active and pending silences, and the maximum size per
silence (in bytes). You can use the flags
--silences.max-silences and --silences.max-silence-size-bytes
to set them accordingly.
- Muted alerts now show whether they are suppressed or not in
both the /api/v2/alerts endpoint and the Alertmanager UI.
- Upgrade to version 0.27.0:
- API: Removal of all api/v1/ endpoints. These endpoints
now log and return a deprecation message and respond with a
status code of 410.
- UTF-8 Support: Introduction of support for any UTF-8
character as part of label names and matchers.
- Discord Integration: Enforce max length in message.
- Metrics: Introduced the experimental feature flag
--enable-feature=receiver-name-in-metrics to include the
receiver name.
- Metrics: Introduced a new gauge named
alertmanager_inhibition_rules that counts the number of
configured inhibition rules.
- Metrics: Introduced a new counter named
alertmanager_alerts_supressed_total that tracks muted alerts,
it contains a reason label to indicate the source of the mute.
- Discord Integration: Introduced support for webhook_url_file.
- Microsoft Teams Integration: Introduced support for
webhook_url_file.
- Microsoft Teams Integration: Add support for summary.
- Metrics: Notification metrics now support two new values for
the label reason, contextCanceled and contextDeadlineExceeded.
- Email Integration: Contents of auth_password_file are now
trimmed of prefixed and suffixed whitespace.
- amtool: Fixes the error scheme required for webhook url when
using amtool with --alertmanager.url.
- Mixin: Fix AlertmanagerFailedToSendAlerts,
AlertmanagerClusterFailedToSendAlerts, and
AlertmanagerClusterFailedToSendAlerts to make sure they ignore
the reason label.