2.4.0

• [FEATURE] Version check at start
• [FEATURE] Internal report, overview of the system, KPIs...
• [ENHANCEMENT] Pool of Prometheus http clients (preferably 1)
• [ENHANCEMENT] GUI enhancements (move to top button)

2.3.0

• [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)
• [BUG] Bugfix (#18)

2.2.0

• [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

• [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

• [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

• [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

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

1.4.0

• [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

1.3.0

• [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

• [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