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CHANGELOG.md

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3.0.0-Wildfly-SNAPSHOT

  • [CHANGE] Alertmonitor supports deployment on Wildfly server
  • [CHANGE] Reorganized toolbar, some options moved to provider entities
  • [CHANGE] Navigation is based on providerId URL parameter
  • [ENHANCEMENT] Added Alertmonitor logo to menubar
  • [ENHANCEMENT] Gracefully stop provider tasks when shutting down
  • [ENHANCEMENT] Sort alerts by severity

2.5.0 / 2025-05-02

Working on timeline

  • [CHANGE] Removed separate alert.log (introduced in 2.3.0)
  • [CHANGE] Wording psync is everywhere replaced with sync
  • [CHANGE] Metrics now contain additional provider label
  • [CHANGE] Metric alertmonitor_webhook_messages_received_total renamed to alertmonitor_webhook_requests_received_total
  • [CHANGE] Metric alertmonitor_journal_messages_total renamed to alertmonitor_journal_events_total
  • [CHANGE] Environment variable ALERTMONITOR_PSYNC_INTERVAL_SEC is now deprecated, instead ALERTMONITOR_SYNC_INTERVAL_SEC should be used.
  • [CHANGE] Removed statistics view (content moved elsewhere)
  • [CHANGE] Internal report moved to providers. Report is now shown separately for each provider.
  • [CHANGE] Updated primefaces version 11 to 12
  • [CHANGE] Moved all configuration parameters from configuration view to providers
  • [CHANGE] Removed parameter lastTimestamp from alerts as it seems useless
  • [FEATURE] Introducing Data Providers. Until now only one Prometheus was supported; now you can have many.
  • [FEATURE] Providers view with configuration
  • [FEATURE] Added environment variable ALERTMONITOR_DATAPROVIDERS_CONFIG_FILE to set providers configuration file path
  • [FEATURE] Added environment variable ALERTMONITOR_DATAPROVIDERS_DEFAULT_PROVIDER_NAME to set the name of default data provider
  • [FEATURE] Added environment variable ALERTMONITOR_HTTP_CLIENT_CONNECT_TIMEOUT_SEC to configure connection establishment timeout
  • [FEATURE] Added environment variable ALERTMONITOR_MONGODB_CONNECT_TIMEOUT_SEC
  • [FEATURE] Added environment variable ALERTMONITOR_MONGODB_READ_TIMEOUT_SEC * [FEATURE] Journal Timeline in instance view (still in beta)
  • [ENHANCEMENT] Targets view improved grid
  • [ENHANCEMENT] Http client supports basic authentication for connection to providers
  • [ENHANCEMENT] Improved warning messages, added severity levels
  • [ENHANCEMENT] Added link to active alerts directly from providers
  • [ENHANCEMENT] Show targets count in targets view
  • [ENHANCEMENT] Added POJO support in MongoDB client
  • [ENHANCEMENT] Added provider attribute to alerts
  • [ENHANCEMENT] Added provider file path to config view
  • [ENHANCEMENT] Show status of instances in report view
  • [BUG] Bugfix (#17)

2.4.0 / 2022-10-29

  • [FEATURE] Version check at start
  • [FEATURE] Internal report, overview of the system, KPIs, line-charts...
  • [ENHANCEMENT] Pool of Prometheus http clients (preferably 1 to avoid parallelism)
  • [ENHANCEMENT] GUI enhancements: scroll-up button

2.3.0 / 2022-04-09

  • [CHANGE] Webhook accepts only POST requests now
  • [CHANGE] Environment variable ALERTMONITOR_JOURNAL_SIZE is now obsolete, and it is replaced by ALERTMONITOR_DATA_RETENTION_DAYS
  • [FEATURE] Introducing MongoDB. Webhook messages and journal of alerts is stored in MongoDb (if enabled, otherwise in-memory storage is used)
  • [FEATURE] Warning messages, in Statistics view (aka. Alertmonitor's internal alarms)
  • [FEATURE] Separate alert.log only for alerts
  • [ENHANCEMENT] Redesigned synchronization procedure
  • [ENHANCEMENT] Added metric alertmonitor_psync_success which returns 1 if last psync was successful.
  • [ENHANCEMENT] Added metrics for database operations: alertmonitor_db_inserts_total, alertmonitor_db_queries_total, alertmonitor_db_updates_total, alertmonitor_db_deletes_total, alertmonitor_db_failures_total
  • [ENHANCEMENT] Added age parameter to alert to show difference between first and clear timestamp.
  • [ENHANCEMENT] Added buttons for easier configuration of time intervals in query ranges.
  • [ENHANCEMENT] Added hashes (#) in front of tags to emphasize their meaning
  • [ENHANCEMENT] Added ALERTMONITOR_HTTP_CLIENT_READ_TIMEOUT_SEC environment variable to set the HTTP client read timeout. Also, configurable in Configuration view.
  • [ENHANCEMENT] Added prometheusId which consists of a set of labels, that identify this prometheus server. Which labels denote to the ID are configurable with environment variable ALERTMONITOR_PROMETHEUS_ID_LABELS. Example: cluster, region, monitor.
  • [ENHANCEMENT] Improved error handling with Prometheus API
  • [ENHANCEMENT] A lot of refactoring
  • [BUG] Fixed (#18)

2.2.0 / 2022-01-29

  • [FEATURE] Support for Prometheus query_range API.
  • [FEATURE] Query range requests configurable in GUI.
  • [ENHANCEMENT] Extended http read timeout to 120 seconds (default was 10).

2.1.0 / 2022-01-21

  • [CHANGE] Journal view link removed from toolbar and moved to Statistics view.
  • [FEATURE] Support for Prometheus query API. Supported resultTypes are vector and matrix.
  • [FEATURE] Query view for making PromQL queries. Results are displayed with human-readable timestamps.
  • [ENHANCEMENT] Styling improvements

2.0.0 / 2021-12-26

  • [CHANGE] There are so many improvements in this release, the version is upgraded to 2.
  • [CHANGE] Licensed under Apache-2.0 License
  • [CHANGE] Webhook view link removed from toolbar
  • [CHANGE] Updated GUI styling due to update of Primefaces library
  • [CHANGE] Environment variable ALERTMONITOR_PSYNC_ENDPOINTis now deprecated. Instead, use ALERTMONITOR_PROMETHEUS_SERVER and without /api/v1/alerts. Just schema, host and port.
  • [CHANGE] Alerts with severity indeterminate and informational are now also displayed in list of active alerts
  • [FEATURE] Prometheus API implementation
  • [FEATURE] Retrieving targets from Prometheus
  • [FEATURE] SmartTargets. The concept of SmartTargets is not new as Alertmonitor already did it in Targets view. It's just that Targets are now retrieved from Prometheus. And you can now switch between: instance or SmartTarget view.
  • [FEATURE] Reload Prometheus config button
  • [FEATURE] Load alert rules and show them in alerts
  • [FEATURE] Kafka publisher will send each received alert to Kafka topic. Added environment variables for configuration: ALERTMONITOR_KAFKA_ENABLED (default=false), ALERTMONITOR_KAFKA_SERVER, and ALERTMONITOR_KAFKA_TOPIC. This is an experimental feature.
  • [FEATURE] Configuration view for changing runtime parameters
  • [ENHANCEMENT] Added metric alertmonitor_prom_api_duration_seconds for monitoring Prometheus API response time. This is a replacement for alertmonitor_psync_task_total which is now obsolete.
  • [ENHANCEMENT] Styling improvements
  • [ENHANCEMENT] Targets have colored background according to its health (status)
  • [ENHANCEMENT] Search/filter also checks fields: alert name, info, instance/hostname, job, description
  • [ENHANCEMENT] Targets view now supports searching targets
  • [ENHANCEMENT] Updated prometheus simple client java library to 0.12.0
  • [ENHANCEMENT] Updated Primefaces java library to 11.0.0
  • [ENHANCEMENT] Get other labels as well, not just 'supported' ones. Eg. external_labels
  • [ENHANCEMENT] Severity indeterminate and informational are shown as tags as well
  • [BUG] Fixed typos

1.6.0 / 2021-02-28

  • [CHANGE] Target view shows also targets with no active alerts (targets with at least one record in journal).
  • [CHANGE] currentValue moved to annotations (see bug below)
  • [FEATURE] Periodic synchronisation of active alerts (#16)
  • [FEATURE] About view with basic configuration options
  • [FEATURE] Added PsyncTask for periodically checking active alerts
  • [FEATURE] Added environment variables for configuration: ALERTMONITOR_PSYNC_INTERVAL_SEC, ALERTMONITOR_PSYNC_ENDPOINT, ALERTMONITOR_DATE_FORMAT
  • [ENHANCEMENT] Added periodic sync statistics
  • [ENHANCEMENT] Added metric alertmonitor_psync_task_total and alertmonitor_psync_interval_seconds
  • [ENHANCEMENT] Show number of alerts in last hour in statistics
  • [ENHANCEMENT] Instance view shows active alerts and journal
  • [ENHANCEMENT] Added clearTimestamp and clearUid to alerts; timestamp when alert was cleared
  • [ENHANCEMENT] Added javadoc
  • [ENHANCEMENT] Configure the journal size with ALERTMONITOR_JOURNAL_SIZE environment variable (#13)
  • [BUG] Label may not contain a variable such as currentValue. Must be moved to annotations
  • [BUG] Fixed stripping hostname from instance

1.5.0 / 2019-11-3

  • [CHANGE] Added label job to calculate correlationId
  • [FEATURE] Alert detailed view
  • [FEATURE] Growl notifications
  • [ENHANCEMENT] Resolving instances to IP addresses
  • [BUGFIX] Fixed timestamps in active alerts
  • [BUGFIX] Fixed updating active alerts

1.4.0 / 2019-10-12

  • [CHANGE] Renamed label sourceInfo to info
  • [CHANGE] Annotation summary is ignored, all data should go to label info
  • [CHANGE] description is read from a label if exists, otherwise from annotation
  • [FEATURE] Target view, strip instance down to hostname (#10)
  • [FEATURE] Show active alerts by targets
  • [FEATURE] Environment variable substitution (#11)
  • [FEATURE] Added small icon representing highest severity on targets
  • [ENHANCEMENT] Added security constraints for restricted access to some directories (web.xml)
  • [ENHANCEMENT] URLs without .xhtml extension
  • [ENHANCEMENT] Added timestamp of first occurrence of alert
  • [ENHANCEMENT] Update timestamp of last occurrence of alert
  • [ENHANCEMENT] Supported new labels team, currentValue, url, eventType, probableCause
  • [BUGFIX] Fixed exception when removing obsolete tags if there are no more active alerts

1.3.0 / 2019-09-27

  • [FEATURE] Introducing tags (#6)
  • [FEATURE] Custom JSF component for rendering tags
  • [FEATURE] Filtering active alerts by tags
  • [FEATURE] Added simple-logger for logging (#9)
  • [ENHANCEMENT] Upgrade of Grafana dashboard (v2)
  • [ENHANCEMENT] Install curl in container
  • [ENHANCEMENT] Added healthcheck to docker-compose file (by using curl)
  • [ENHANCEMENT] Added local IP address in footer

1.2.0 / 2019-08-28

  • [FEATURE] Added startUpTime (OnStart listener)
  • [FEATURE] Metrics endpoint for prometheus (#5)
  • [FEATURE] Supported metrics: alertmonitor_build_info, alertmonitor_webhook_messages_received_total, alertmonitor_journal_messages_total, alertmonitor_active_alerts_count, alertmonitor_alerts_balance_factor, alertmonitor_last_event_timestamp
  • [FEATURE] Show version in GUI (in footer)
  • [ENHANCEMENT] Added example Grafana dashboard (see docs/grafana_dashboards)
  • [ENHANCEMENT] A lot of refactoring
  • [BUGFIX] Fixed calculation of up time

1.1.0 / 2019-07-15

Release includes:

  • [FEATURE] Pagination (#1)
  • [FEATURE] Sorting by multiple columns (hold command key) (#2)
  • [ENHANCEMENT] Changed base image from tomcat:8.5.37-jre8 to tomcat:8.5-jre8-alpine (because it's smaller)
  • [ENHANCEMENT] Updated Primefaces from 6.1 to 6.2
  • [ENHANCEMENT] Added support for labels: job, tags, info; alertdomain label is now deprecated
  • [BUGFIX] Bug fixes and refactoring

1.0.0 / 2019-06-30

This is first release. Release includes:

  • [FEATURE] Correlate alarm and clear pairs (selected alerts)
  • [FEATURE] Color alerts according to severity
  • [FEATURE] GUI showing selected alerts, journal (history) and requests in raw format
  • [FEATURE] Recognize alertmanager alerts and process alerts in json format
  • [FEATURE] Generic webhook - it accepts GET and POST requests in raw format (http headers, url parameters, body)
  • [FEATURE] The application is written in Java and runs in Apache Tomcat with JSF 2.2 and Primefaces