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Releases: prometheus/alertmanager

0.28.0-rc.0 / 2024-10-24

24 Oct 21:19
v0.28.0-rc.0
d04ef60
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Pre-release
  • [CHANGE] Templating errors in the SNS integration now return an error. #3531 #3879
  • [FEATURE] Add a new Microsoft Teams integration based on Flows #4024
  • [FEATURE] Add a new Rocket.Chat integration #3600
  • [FEATURE] Add a new Jira integration #3590 #3931
  • [FEATURE] Add support for GOMEMLIMIT, enable it via the feature flag --enable-feature=auto-gomemlimit. #3895
  • [FEATURE] Add support for GOMAXPROCS, enable it via the feature flag --enable-feature=auto-gomaxprocs. #3837
  • [FEATURE] 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 #3852 #3862 #3866 #3885 #3886 #3877
  • [FEATURE] Muted alerts now show whether they are suppressed or not in both the /api/v2/alerts endpoint and the Alertmanager UI. #3793 #3797 #3792
  • [ENHANCEMENT] Add support for content, username and avatar_url in the Discord integration. content and username also support templating. #4007
  • [ENHANCEMENT] Only invalidate the silences cache if a new silence is created or an existing silence replaced - should improve latency on both GET api/v2/alerts and POST api/v2/alerts API endpoint. #3961
  • [ENHANCEMENT] Add image source label to Dockerfile. To get changelogs shown when using Renovate #4062
  • [ENHANCEMENT] Build using go 1.23 #4071
  • [ENHANCEMENT] Support setting a global SMTP TLS configuration. #3732
  • [ENHANCEMENT] The setting room_id in the WebEx integration can now be templated to allow for dynamic room IDs. #3801
  • [ENHANCEMENT] Enable setting message_thread_id for the Telegram integration. #3638
  • [ENHANCEMENT] Support the since and humanizeDuration functions to templates. This means users can now format time to more human-readable text. #3863
  • [ENHANCEMENT] Support the date and tz functions to templates. This means users can now format time in a specified format and also change the timezone to their specific locale. #3812
  • [ENHANCEMENT] Latency metrics now support native histograms. #3737
  • [BUGFIX] Fix the SMTP integration not correctly closing an SMTP submission, which may lead to unsuccessful dispatches being marked as successful. #4006
  • [BUGFIX] The ParseMode option is now set explicitly in the Telegram integration. If we don't HTML tags had not been parsed by default. #4027
  • [BUGFIX] Fix a memory leak that was caused by updates silences continuously. #3930
  • [BUGFIX] Fix hiding secret URLs when the URL is incorrect. #3887
  • [BUGFIX] Fix a race condition in the alerts - it was more of a hypothetical race condition that could have occurred in the alert reception pipeline. #3648
  • [BUGFIX] Fix a race condition in the alert delivery pipeline that would cause a firing alert that was delivered earlier to be deleted from the aggregation group when instead it should have been delivered again. #3826
  • [BUGFIX] Fix version in APIv1 deprecation notice. #3815
  • [BUGFIX] Fix crash errors when using url_file in the Webhook integration. #3800
  • [BUGFIX] fix Route.ID() returns conflicting IDs. #3803
  • [BUGFIX] Fix deadlock on the alerts memory store. #3715
  • [BUGFIX] Fix amtool template render when using the default values. #3725
  • [BUGFIX] Fix webhook_url_file for both the Discord and Microsoft Teams integrations. #3728 #3745

0.27.0 / 2024-02-28

28 Feb 12:56
v0.27.0
0aa3c2a
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  • [CHANGE] Discord Integration: Enforce max length in message. #3597
  • [CHANGE] API: Removal of all api/v1/ endpoints. These endpoints now log and return a deprecation message and respond with a status code of 410. #2970
  • [FEATURE] UTF-8 Support: Introduction of support for any UTF-8 character as part of label names and matchers. Please read more below. #3453, #3483, #3567, #3570
  • [FEATURE] Metrics: Introduced the experimental feature flag --enable-feature=receiver-name-in-metrics to include the receiver name in the following metrics: #3045
    • alertmanager_notifications_total
    • alertmanager_notifications_failed_totall
    • alertmanager_notification_requests_total
    • alertmanager_notification_requests_failed_total
    • alertmanager_notification_latency_seconds
  • [FEATURE] Metrics: Introduced a new gauge named alertmanager_inhibition_rules that counts the number of configured inhibition rules. #3681
  • [FEATURE] 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. #3565
  • [ENHANCEMENT] Discord Integration: Introduced support for webhook_url_file. #3555
  • [ENHANCEMENT] Microsoft Teams Integration: Introduced support for webhook_url_file. #3555
  • [ENHANCEMENT] Microsoft Teams Integration: Add support for summary. #3616
  • [ENHANCEMENT] Metrics: Notification metrics now support two new values for the label reason, contextCanceled and contextDeadlineExceeded. #3631
  • [ENHANCEMENT] Email Integration: Contents of auth_password_file are now trimmed of prefixed and suffixed whitespace. #3680
  • [BUGFIX] amtool: Fixes the error scheme required for webhook url when using amtool with --alertmanager.url. #3509
  • [BUGFIX] Mixin: Fix AlertmanagerFailedToSendAlerts, AlertmanagerClusterFailedToSendAlerts, and AlertmanagerClusterFailedToSendAlerts to make sure they ignore the reason label. #3599

Removal of API v1

The Alertmanager v1 API has been deprecated since January 2019 with the release of Alertmanager v0.16.0. With the release of version 0.27.0 it is now removed.
A successful HTTP request to any of the v1 endpoints will log and return a deprecation message while responding with a status code of 410.
Please ensure you switch to the v2 equivalent endpoint in your integrations before upgrading.

Alertmanager support for all UTF-8 characters in matchers and label names

Starting with Alertmanager v0.27.0, we have a new parser for matchers that has a number of backwards incompatible changes. While most matchers will be forward-compatible, some will not. Alertmanager is operating a transition period where it supports both UTF-8 and classic matchers, so it's entirely safe to upgrade without any additional configuration. With that said, we recommend the following:

  • If this is a new Alertmanager installation, we recommend enabling UTF-8 strict mode before creating an Alertmanager configuration file. You can enable strict mode with alertmanager --config.file=config.yml --enable-feature="utf8-strict-mode".

  • If this is an existing Alertmanager installation, we recommend running the Alertmanager in the default mode called fallback mode before enabling UTF-8 strict mode. In this mode, Alertmanager will log a warning if you need to make any changes to your configuration file before UTF-8 strict mode can be enabled. Alertmanager will make UTF-8 strict mode the default in the next two versions, so it's important to transition as soon as possible.

Irrespective of whether an Alertmanager installation is a new or existing installation, you can also use amtool to validate that an Alertmanager configuration file is compatible with UTF-8 strict mode before enabling it in Alertmanager server by running amtool check-config config.yml and inspecting the log messages.

Should you encounter any problems, you can run the Alertmanager with just the classic parser enabled by running alertmanager --config.file=config.yml --enable-feature="classic-mode". If so, please submit a bug report via GitHub issues.

0.27.0-rc.0 / 2024-02-14

14 Feb 12:11
v0.27.0-rc.0
1234193
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Pre-release
  • [CHANGE] Discord Integration: Enforce max length in message. #3597
  • [CHANGE] API: Removal of all api/v1/ endpoints. These endpoints now log and return a deprecation message and respond with a status code of 410. #2970
  • [FEATURE] UTF-8 Support: Introduction of support for any UTF-8 character as part of label names and matchers. Please read more below. #3453, #3483, #3567, #3570
  • [FEATURE] Metrics: Introduced the experimental feature flag --enable-feature=receiver-name-in-metrics to include the receiver name in the following metrics: #3045
    • alertmanager_notifications_total
    • alertmanager_notifications_failed_totall
    • alertmanager_notification_requests_total
    • alertmanager_notification_requests_failed_total
    • alertmanager_notification_latency_seconds
  • [FEATURE] Metrics: Introduced a new gauge named alertmanager_inhibition_rules that counts the number of configured inhibition rules. #3681
  • [FEATURE] 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. #3565
  • [ENHANCEMENT] Discord Integration: Introduced support for webhook_url_file. #3555
  • [ENHANCEMENT] Microsoft Teams Integration: Introduced support for webhook_url_file. #3555
  • [ENHANCEMENT] Microsoft Teams Integration: Add support for summary. #3616
  • [ENHANCEMENT] Metrics: Notification metrics now support two new values for the label reason, contextCanceled and contextDeadlineExceeded. #3631
  • [ENHANCEMENT] Email Integration: Contents of auth_password_file are now trimmed of prefixed and suffixed whitespace. #3680
  • [BUGFIX] amtool: Fixes the error scheme required for webhook url when using amtool with --alertmanager.url. #3509
  • [BUGFIX] Mixin: Fix AlertmanagerFailedToSendAlerts, AlertmanagerClusterFailedToSendAlerts, and AlertmanagerClusterFailedToSendAlerts to make sure they ignore the reason label. #3599

Removal of API v1

The Alertmanager v1 API has been deprecated since January 2019 with the release of Alertmanager v0.16.0. With the release of version 0.27.0 it is now removed.
A successful HTTP request to any of the v1 endpoints will log and return a deprecation message while responding with a status code of 410.
Please ensure you switch to the v2 equivalent endpoint in your integrations before upgrading.

Alertmanager support for all UTF-8 characters in matchers and label names

Starting with Alertmanager v0.27.0, we have a new parser for matchers that has a number of backwards incompatible changes. While most matchers will be forward-compatible, some will not. Alertmanager is operating a transition period where it supports both UTF-8 and classic matchers, so it's entirely safe to upgrade without any additional configuration. With that said, we recommend the following:

  • If this is a new Alertmanager installation, we recommend enabling UTF-8 strict mode before creating an Alertmanager configuration file. You can enable strict mode with alertmanager --config.file=config.yml --enable-feature="utf8-strict-mode".

  • If this is an existing Alertmanager installation, we recommend running the Alertmanager in the default mode called fallback mode before enabling UTF-8 strict mode. In this mode, Alertmanager will log a warning if you need to make any changes to your configuration file before UTF-8 strict mode can be enabled. Alertmanager will make UTF-8 strict mode the default in the next two versions, so it's important to transition as soon as possible.

Irrespective of whether an Alertmanager installation is a new or existing installation, you can also use amtool to validate that an Alertmanager configuration file is compatible with UTF-8 strict mode before enabling it in Alertmanager server by running amtool check-config config.yml and inspecting the log messages.

Should you encounter any problems, you can run the Alertmanager with just the classic parser enabled by running alertmanager --config.file=config.yml --enable-feature="classic-mode". If so, please submit a bug report via GitHub issues.

0.26.0 / 2023-08-23

24 Aug 11:25
v0.26.0
d7b4f0c
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  • [SECURITY] Fix stored XSS via the /api/v1/alerts endpoint in the Alertmanager UI.
  • [CHANGE] Telegram Integration: api_url is now optional. #2981
  • [CHANGE] Telegram Integration: ParseMode default is now HTML instead of MarkdownV2. #2981
  • [CHANGE] Webhook Integration: url is now marked as a secret. It will no longer show up in the logs as clear-text. #3228
  • [CHANGE] Metrics: New label reason for alertmanager_notifications_failed_total metric to indicate the type of error of the alert delivery. #3094 #3307
  • [FEATURE] Clustering: New flag --cluster.label, to help to block any traffic that is not meant for the cluster. #3354
  • [FEATURE] Integrations: Add Microsoft Teams as a supported integration. #3324
  • [ENHANCEMENT] Telegram Integration: Support bot_token_file for loading this secret from a file. #3226
  • [ENHANCEMENT] Webhook Integration: Support url_file for loading this secret from a file. #3223
  • [ENHANCEMENT] Webhook Integration: Leading and trailing white space is now removed for the contents of url_file. #3363
  • [ENHANCEMENT] Pushover Integration: Support options device and sound (sound was previously supported but undocumented). #3318
  • [ENHANCEMENT] Pushover Integration: Support user_key_file and token_file for loading this secret from a file. #3200
  • [ENHANCEMENT] Slack Integration: Support errors wrapped in successful (HTTP status code 200) responses. #3121
  • [ENHANCEMENT] API: Add CORS and Cache-Control HTTP headers to all version 2 API routes. #3195
  • [ENHANCEMENT] UI: Receiver name is now visible as part of the alerts page. #3289
  • [ENHANCEMENT] Templating: Better default text when using {{ .Annotations }} and {{ .Labels }}. #3256
  • [ENHANCEMENT] Templating: Introduced a new function trimSpace which removes leading and trailing white spaces. #3223
  • [ENHANCEMENT] CLI: amtool silence query now supports the --id flag to query an individual silence. #3241
  • [ENHANCEMENT] Metrics: Introduced alertmanager_nflog_maintenance_total and alertmanager_nflog_maintenance_errors_total to monitor maintenance of the notification log. #3286
  • [ENHANCEMENT] Metrics: Introduced alertmanager_silences_maintenance_total and alertmanager_silences_maintenance_errors_total to monitor maintenance of silences. #3285
  • [ENHANCEMENT] Logging: Log GroupKey and alerts on alert delivery when using debug mode. #3438
  • [BUGFIX] Configuration: Empty list of receivers and inhibit_rules would cause the alertmanager to crash. #3209
  • [BUGFIX] Templating: Fixed a race condition when using the title function. It is now race-safe. #3278
  • [BUGFIX] API: Fixed duplicate receiver names in the api/v2/receivers API endpoint. #3338
  • [BUGFIX] API: Attempting to delete a silence now returns the correct status code, 404 instead of 500. #3352
  • [BUGFIX] Clustering: Fixes a panic when tls_client_config is empty. #3443

0.25.1 / 2023-08-23

24 Aug 12:36
v0.25.1
c0a6992
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  • [SECURITY] Fix stored XSS via the /api/v1/alerts endpoint in the Alertmanager UI (CVE-2023-40577).

0.26.0-rc.0 / 2023-08-17

17 Aug 15:57
v0.26.0-rc.0
3ea2f24
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Pre-release
  • [CHANGE] Telegram Integration: api_url is now optional. #2981
  • [CHANGE] Telegram Integration: ParseMode default is now HTML instead of MarkdownV2. #2981
  • [CHANGE] Webhook Integration: url is now marked as a secret. It will no longer show up in the logs as clear-text. #3228
  • [CHANGE] Metrics: New label reason for alertmanager_notifications_failed_total metric to indicate the type of error of the alert delivery. #3094 #3307
  • [FEATURE] Clustering: New flag --cluster.label, to help to block any traffic that is not meant for the cluster. #3354
  • [FEATURE] Integrations: Add Microsoft Teams as a supported integration. #3324
  • [ENHANCEMENT] Telegram Integration: Support bot_token_file for loading this secret from a file. #3226
  • [ENHANCEMENT] Webhook Integration: Support url_file for loading this secret from a file. #3223
  • [ENHANCEMENT] Webhook Integration: Leading and trailing white space is now removed for the contents of url_file. #3363
  • [ENHANCEMENT] Pushover Integration: Support options device and sound (sound was previously supported but undocumented). #3318
  • [ENHANCEMENT] Pushover Integration: Support user_key_file and token_file for loading this secret from a file. #3200
  • [ENHANCEMENT] Slack Integration: Support errors wrapped in successful (HTTP status code 200) responses. #3121
  • [ENHANCEMENT] API: Add CORS and Cache-Control HTTP headers to all version 2 API routes. #3195
  • [ENHANCEMENT] UI: Receiver name is now visible as part of the alerts page. #3289
  • [ENHANCEMENT] Templating: Better default text when using {{ .Annotations }} and {{ .Labels }}. #3256
  • [ENHANCEMENT] Templating: Introduced a new function trimSpace which removes leading and trailing white spaces. #3223
  • [ENHANCEMENT] CLI: amtool silence query now supports the --id flag to query an individual silence. #3241
  • [ENHANCEMENT] Metrics: Introduced alertmanager_nflog_maintenance_total and alertmanager_nflog_maintenance_errors_total to monitor maintenance of the notification log. #3286
  • [ENHANCEMENT] Metrics: Introduced alertmanager_silences_maintenance_total and alertmanager_silences_maintenance_errors_total to monitor maintenance of silences. #3285
  • [ENHANCEMENT] Logging: Log GroupKey and alerts on alert delivery when using debug mode. #3438
  • [BUGFIX] Configuration: Empty list of receivers and inhibit_rules would cause the alertmanager to crash. #3209
  • [BUGFIX] Templating: Fixed a race condition when using the title function. It is now race-safe. #3278
  • [BUGFIX] API: Fixed duplicate receiver names in the api/v2/receivers API endpoint. #3338
  • [BUGFIX] API: Attempting to delete a silence now returns the correct status code, 404 instead of 500. #3352
  • [BUGFIX] Clustering: Fixes a panic when tls_client_config is empty. #3443

0.25.0 / 2022-12-22

23 Dec 08:35
v0.25.0
258fab7
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  • [CHANGE] Change the default parse_mode value from MarkdownV2 to HTML for Telegram. #2981
  • [CHANGE] Make api_url field optional for Telegram. #2981
  • [CHANGE] Use CanonicalMIMEHeaderKey instead of TitleCasing for email headers. #3080
  • [CHANGE] Reduce the number of notification logs broadcasted between peers by expiring them after (2 * repeat interval). #2982
  • [FEATURE] Add proxy_url support for OAuth2 in HTTP client configuration. #3010
  • [FEATURE] Reload TLS certificate and key from disk when updated. #3168
  • [FEATURE] Add Discord integration. #2948
  • [FEATURE] Add Webex integration. #3132
  • [ENHANCEMENT] Add --web.systemd-socket flag to systemd socket activation listeners instead of port listeners (Linux only). #3140
  • [ENHANCEMENT] Add enable_http2 support in HTTP client configuration. #3010
  • [ENHANCEMENT] Add min_version support to select the minimum TLS version in HTTP client configuration. #3010
  • [ENHANCEMENT] Add max_version support to select the maximum TLS version in HTTP client configuration. #3168
  • [ENHANCEMENT] Emit warning logs when truncating messages in notifications. #3145
  • [ENHANCEMENT] Add --data.maintenance-interval flag to define the interval between the garbage collection and snapshotting to disk of the silences and the notification logs. #2849
  • [ENHANCEMENT] Support HEAD method for the /-/healty and /-/ready endpoints. #3039
  • [ENHANCEMENT] Truncate messages with the ellipsis character instead of the 3-dots string .... #3072
  • [ENHANCEMENT] Add support for reading global and local SMTP passwords from files. #3038
  • [ENHANCEMENT] Add Location support to time intervals. #2782
  • [ENHANCEMENT] UI: Add 'Link' button to alerts in list. #2880
  • [ENHANCEMENT] Add the source field to the PagerDuty configuration. #3106
  • [ENHANCEMENT] Add support for reading PagerDuty routing and service keys from files. #3107
  • [ENHANCEMENT] Log response details when notifications fail for Webhooks, Pushover and VictorOps. #3103
  • [ENHANCEMENT] UI: Allow to choose the first day of the week as Sunday or Monday. #3093
  • [ENHANCEMENT] Add support for reading VictorOps API key from file. #3111
  • [ENHANCEMENT] Support templating for Opsgenie's responder type. #3060
  • [BUGFIX] Fail configuration loading if api_key and api_key_file are defined at the same time. #2910
  • [BUGFIX] Fix the alertmanager_alerts metric to avoid counting resolved alerts as active. Also added a new alertmanager_marked_alerts metric that retain the old behavior. #2943
  • [BUGFIX] Trim contents of Slack API URLs when reading from files. #2929
  • [BUGFIX] amtool: Avoid panic when the label value matcher is empty. #2968
  • [BUGFIX] Fail configuration loading if api_url is empty for OpsGenie. #2910
  • [BUGFIX] Fix email template for resolved notifications. #3166
  • [BUGFIX] Use the HTML template engine when the parse mode is HTML for Telegram. #3183

0.25.0-rc.2 / 2022-12-19

19 Dec 10:21
v0.25.0-rc.2
aace20a
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Pre-release
  • [CHANGE] Change the default parse_mode value from MarkdownV2 to HTML for Telegram. #2981
  • [CHANGE] Make api_url field optional for Telegram. #2981
  • [CHANGE] Use CanonicalMIMEHeaderKey instead of TitleCasing for email headers. #3080
  • [CHANGE] Reduce the number of notification logs broadcasted between peers by expiring them after (2 * repeat interval). #2982
  • [FEATURE] Add proxy_url support for OAuth2 in HTTP client configuration. #3010
  • [FEATURE] Reload TLS certificate and key from disk when updated. #3168
  • [FEATURE] Add Discord integration. #2948
  • [FEATURE] Add Webex integration. #3132
  • [ENHANCEMENT] Add --web.systemd-socket flag to systemd socket activation listeners instead of port listeners (Linux only). #3140
  • [ENHANCEMENT] Add enable_http2 support in HTTP client configuration. #3010
  • [ENHANCEMENT] Add min_version support to select the minimum TLS version in HTTP client configuration. #3010
  • [ENHANCEMENT] Add max_version support to select the maximum TLS version in HTTP client configuration. #3168
  • [ENHANCEMENT] Emit warning logs when truncating messages in notifications. #3145
  • [ENHANCEMENT] Add --data.maintenance-interval flag to define the interval between the garbage collection and snapshotting to disk of the silences and the notification logs. #2849
  • [ENHANCEMENT] Support HEAD method for the /-/healty and /-/ready endpoints. #3039
  • [ENHANCEMENT] Truncate messages with the ellipsis character instead of the 3-dots string .... #3072
  • [ENHANCEMENT] Add support for reading global and local SMTP passwords from files. #3038
  • [ENHANCEMENT] Add Location support to time intervals. #2782
  • [ENHANCEMENT] UI: Add 'Link' button to alerts in list. #2880
  • [ENHANCEMENT] Add the source field to the PagerDuty configuration. #3106
  • [ENHANCEMENT] Add support for reading PagerDuty routing and service keys from files. #3107
  • [ENHANCEMENT] Log response details when notifications fail for Webhooks, Pushover and VictorOps. #3103
  • [ENHANCEMENT] UI: Allow to choose the first day of the week as Sunday or Monday. #3093
  • [ENHANCEMENT] Add support for reading VictorOps API key from file. #3111
  • [ENHANCEMENT] Support templating for Opsgenie's responder type. #3060
  • [BUGFIX] Fail configuration loading if api_key and api_key_file are defined at the same time. #2910
  • [BUGFIX] Fix the alertmanager_alerts metric to avoid counting resolved alerts as active. Also added a new alertmanager_marked_alerts metric that retain the old behavior. #2943
  • [BUGFIX] Trim contents of Slack API URLs when reading from files. #2929
  • [BUGFIX] amtool: Avoid panic when the label value matcher is empty. #2968
  • [BUGFIX] Fail configuration loading if api_url is empty for OpsGenie. #2910
  • [BUGFIX] Fix email template for resolved notifications. #3166

0.24.0 / 2022-03-24

25 Mar 11:19
v0.24.0
f484b17
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  • [CHANGE] Add the /api/v2 prefix to all endpoints in the OpenAPI specification and generated client code. #2696
  • [CHANGE] Remove the github.com/prometheus/alertmanager/client Go package. #2763
  • [FEATURE] Add --cluster.tls-config experimental flag to secure cluster traffic via mutual TLS. #2237
  • [FEATURE] Add support for active time intervals. Active and mute time intervals should be defined via time_intervals rather than mute_time_intervals (the latter is deprecated but it will be supported until v1.0). #2779
  • [FEATURE] Add Telegram integration. #2827
  • [ENHANCEMENT] Add update_alerts field to the OpsGenie configuration to update message and description when sending alerts. #2519
  • [ENHANCEMENT] Add --cluster.allow-insecure-public-advertise-address-discovery feature flag to enable discovery and use of public IP addresses for clustering. #2719
  • [ENHANCEMENT] Add entity and actions fields to the OpsGenie configuration. #2753
  • [ENHANCEMENT] Add opsgenie_api_key_file field to the global configuration. #2728
  • [ENHANCEMENT] Add support for teams responders to the OpsGenie configuration. #2685
  • [ENHANCEMENT] Add the User-Agent header to all notification requests. #2730
  • [ENHANCEMENT] Re-enable HTTP/2. #2720
  • [ENHANCEMENT] web: Add support for security-related HTTP headers. #2759
  • [ENHANCEMENT] amtool: Allow filtering of silences by createdBy author. #2718
  • [ENHANCEMENT] amtool: add --http.config.file flag to configure HTTP settings. #2764
  • [BUGFIX] Fix HTTP client configuration for the SNS receiver. #2706
  • [BUGFIX] Fix unclosed file descriptor after reading the silences snapshot file. #2710
  • [BUGFIX] Fix field names for mute_time_intervals in JSON marshaling. #2765
  • [BUGFIX] Ensure that the root route doesn't have any matchers. #2780
  • [BUGFIX] Truncate the message's title to 1024 chars to avoid hitting Slack limits. #2774
  • [BUGFIX] Fix the default HTML email template (email.default.html) to match with the canonical source. #2798
  • [BUGFIX] Detect SNS FIFO topic based on the rendered value. #2819
  • [BUGFIX] Avoid deleting and recreating a silence when an update is possible. #2816
  • [BUGFIX] api/v2: Return 200 OK when deleting an expired silence. #2817
  • [BUGFIX] amtool: Fix the silence's end date when adding a silence. The end date is (start date + duration) while it used to be (current time + duration). The new behavior is consistent with the update operation. #2741

0.24.0-rc.0 / 2022-03-10

16 Mar 10:22
v0.24.0-rc.0
ec2f5f5
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Pre-release
  • [CHANGE] Add the /api/v2 prefix to all endpoints in the OpenAPI specification and generated client code. #2696
  • [CHANGE] Remove the github.com/prometheus/alertmanager/client Go package. #2763
  • [FEATURE] Add --cluster.tls-config experimental flag to secure cluster traffic via mutual TLS. #2237
  • [FEATURE] Add support for active time intervals. Active and mute time intervals should be defined via time_intervals rather than mute_time_intervals (the latter is deprecated but it will be supported until v1.0). #2779
  • [FEATURE] Add Telegram integration. #2827
  • [ENHANCEMENT] Add update_alerts field to the OpsGenie configuration to update message and description when sending alerts. #2519
  • [ENHANCEMENT] Add --cluster.allow-insecure-public-advertise-address-discovery feature flag to enable discovery and use of public IP addresses for clustering. #2719
  • [ENHANCEMENT] Add entity and actions fields to the OpsGenie configuration. #2753
  • [ENHANCEMENT] Add opsgenie_api_key_file field to the global configuration. #2728
  • [ENHANCEMENT] Add support for teams responders to the OpsGenie configuration. #2685
  • [ENHANCEMENT] Add the User-Agent header to all notification requests. #2730
  • [ENHANCEMENT] Re-enable HTTP/2. #2720
  • [ENHANCEMENT] web: Add support for security-related HTTP headers. #2759
  • [ENHANCEMENT] amtool: Allow filtering of silences by createdBy author. #2718
  • [ENHANCEMENT] amtool: add --http.config.file flag to configure HTTP settings. #2764
  • [BUGFIX] Fix HTTP client configuration for the SNS receiver. #2706
  • [BUGFIX] Fix unclosed file descriptor after reading the silences snapshot file. #2710
  • [BUGFIX] Fix field names for mute_time_intervals in JSON marshaling. #2765
  • [BUGFIX] Ensure that the root route doesn't have any matchers. #2780
  • [BUGFIX] Truncate the message's title to 1024 chars to avoid hitting Slack limits. #2774
  • [BUGFIX] Fix the default HTML email template (email.default.html) to match with the canonical source. #2798
  • [BUGFIX] Detect SNS FIFO topic based on the rendered value. #2819
  • [BUGFIX] Avoid deleting and recreating a silence when an update is possible. #2816
  • [BUGFIX] api/v2: Return 200 OK when deleting an expired silence. #2817
  • [BUGFIX] amtool: Fix the silence's end date when adding a silence. The end date is (start date + duration) while it used to be (current time + duration). The new behavior is consistent with the update operation. #2741