icinga2/ChangeLog

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# Icinga 2.x CHANGELOG
Please check doc/1-about.md.
## What's New
### What's New in Version 2.0.0 Beta 1
Lots of things. Please read doc/1-about.md - "Icinga 2 in a nutshell"
#### Changes
* Updated sample configuration for final release.
### What's New in Version 0.0.11
* Redesigned cluster stack. #6192
* Support for conditional command arguments. #5933
* IDO: is_reachable attribute for hosts and services. #6094
* IDO: Add missing events for service/host state changes. #6151
* Lots of documentation updates. #6010, #6115, #6149, #6163, #6184, #6198, #6114, #6128, #5485
* Plenty of bug fixes. #6179, #6148, #6111, #6131, and many more
### What's New in Version 0.0.10
* Make Host and Service checkable. #5919
* Support new lines in addition to commas to seperate object attributes. #5901
* Add group membership assign rules. #5910
* Support nested groups. #5858
* Add apply target type. #5924
* Add relative object names. #5925
* Merge macros and custom into 'vars' dictionary. Changed runtime macros and environment variable export. #5855
* Add support for modified attributes for custom attributes. #5956
* Allow to assign var values to existin vars evaluted on runtime. #5959
* Rename/shorten attribute names and filter variables. #5857
* Remove the 'Icinga' prefix for global constants. #5960
* Global option to enable/disable host/service checks. #5975
* Add legacy attributes to host, service and group objects: `address{,6}'`, `notes`, `notes_url`, `action_url`, `icon_image`, `icon_image_alt`. #5856
* Support "#" hash comments. #5994
* Cluster: Spanning Tree like communication. #5467
* Properly implement the Process class for Windows. #3684
#### Changes
> **Note**
>
> Configuration updates required!
* Configuration Changes. For a detailed list of changes check out [#5909](https://dev.icinga.org/issues/5909)
* DB IDO schema upgrade required.
### What's New in Version 0.0.9
* new [apply](#apply) rules for assigning objects based on attribute conditions
* inline object definitions removed in favor of [apply](#apply) rules
* [import](#template-imports) keyword instead of `inherits` keyword for all objects
* new [constants.conf](#constants-conf) providing `PluginDir` constant instead of `$plugindir$` macro
* unknown attributes and duplicate objects generate a configuration error
* improved configuration error output
* create endpoint tables for legacy interfaces (status data, DB IDO, Livestatus)
* export host `check` attribute in legacy interfaces (status data, DB IDO, Livestatus)
* add documentation about [cluster scenarios](#cluster-scenarios)
* Livestatus: add `check_source` attribute to services table
* Compat: Fix host service order for Classic UI
* Remove comments when clearing acknowledgements
* Recovery [Notifications](#objecttype-notification) require StateFilterOK
#### Changes
> **Note**
>
> Configuration updates required!
* removed deprecated `var`/`set` identifier, use [const](#const) instead
* [constants.conf](#constants-conf) needs to be included in [icinga2.conf](#icinga2-conf) before [ITL](#itl) inclusion
* [import](#template-imports) instead of `inherits` (examples in [localhost.conf](#localhost-conf))
* [apply](#apply) rules instead of inline definitions for [Service](#objecttype-service),
[Dependency](#objecttype-dependency), [Notification](#objecttype-notitifcation),
[ScheduledDowntime](#objecttype-scheduleddowntime) objects (examples in [localhost.conf](#localhost-conf)).
* unknown attributes and duplicate objects generate a configuration error
* DB IDO: schema update for 0.0.9 ([MySQL](#upgrading-mysql-db), [PostgreSQL](#upgrading-postgresql-db))
### What's New in Version 0.0.8
* Add [Dependency](#objecttype-dependency) object for advanced host/service dependency definition
* Add optional [NodeName](#global-constants) for cluster feature
* Populate check_source attribute with the checker's node name
* [Cluster](#objecttype-endpoint) supports recursive config includes
* Add [Cluster health check](#cluster-health-check)
* Add more performance data to the [Icinga health check](#itl-icinga)
* Add [IcingaStatusWriter](#objecttype-icingastatuswriter) feature writing a status json file
* Smoother pending service checking during startup
* Reduce virtual memory usage
* Stack traces include file names and line numbers
* Treat script variables as constants preventing override
* Fix pending services are being checked with the retry interval
* DB IDO: Fix deleted objects are not marked as is_active=0
* DB IDO: additional fields for cluster/checker nodes
#### Changes
* {host,service}_dependencies attributes have been changed to [Dependency](#objecttype-dependency)
objects supporting new attributes: `disable_checks`, `disable_notifications`, `state_filter`,
`period`. For better readability, there is `parent_service` and `child_service` for example.
> **Note**
>
> Update your existing configuration!
* DB IDO: Schema updates for 0.0.8: [MySQL](#upgrading-mysql-db) [PostgreSQL](#upgrading-postgresql-db)
### What's New in Version 0.0.7
* DB IDO performance improvements on startup
* Fix notification_id handling in DB IDO
* More automated tests (based on the Vagrant VM)
* New documentation chapters
### What's New in Version 0.0.6
* Scheduled Downtimes as configuration object (also known as "Recurring Downtimes").
* Log command arguments
* Performance improvements for the config compiler
* Config validation provides stats at the end
* icinga2-enable-feature lists already enabled features
* Add support for latency statistics to IcingaCheckTask
* Implement support for using custom attributes as macros
* StatusDataWriter update interval as config attribute
* Improve performance with fetching data for status.dat/objects.cache, DB IDO and Livestatus
* Livestatus History Table performance improvements
#### Changes
* Generated object names (host with services array) use an exclamation mark instead of a colon
as separator. State file objects with downtimes, comments, etc are invalid (unknown) for that
reason.
* Script variables are set using 'var' and 'const' instead of the previous 'set' identifier
* ITL constants are now embedded in libicinga
* Removed the ConsoleLogger object and keep the default console log enabled until we daemonize
### What's New in Version 0.0.5
* Cluster: Implement support for CRLs
* Implement modified attributes
* Log messages providing more context
* Default log is a file (rather than syslog)
* Improve latency after start-up
* NSCA-ng support for the Vagrant demo VM
* Configuration: Recursively include configuration files matching a certain pattern
* IDO: Improve performance
* Migration: Add fallback for objects.cache instead of cfg_{dir,file}
* Lots of bugfixes and performance improvements
* Package fixes (Note: GPG key of packages.icinga.org has been updated)
### What's New in Version 0.0.4
* IDO: PostgreSQL support
* IDO: implemented options to filter which kind of events are written to the database
* Livestatus: implemented support for the log and statehist tables
* Livestatus: implemented regex filters (~ and ~~)
* Replaced autotools-based build system with cmake
* Lots of bug fixes and performance improvements
### What's New in Version 0.0.3
* `StatusDataWriter` and `ExternalCommandListener` (former `Compat`) and `CompatLogger`
(former CompatLog) for status.dat/objects.cache/icinga2.cmd/icinga.log for Icinga 1.x Classic UI support
* `IdoMysqlConnection` and `ExternalCommandListener` for Icinga 1.x Web
* `IdoMysqlConnection` for Icinga 1.x Reporting, NagVis
* `LivestatusListener` for addons using the livestatus interface (history tables tbd)
* `PerfDataWriter` for graphing addons such as PNP/inGraph/graphite (can be loaded multiple times!)
* `GraphiteWriter` for sending metrics directly to graphite carbon sockets
* `CheckResultReader` to collect Icinga 1.x slave checkresults (migrate your distributed setup step-by-step)
* `ClusterListener` for real distributed architecture including config and runtime data (checks, comments, downtimes) sync and replay
* `SyslogLogger`, `FileLogger` and `ConsoleLogger` for different types of logging
* Domain support for distributed cluster environments
* Config migration script supporting easier migration from Icinga 1.x configuration
* Reviewed configuration options, additional attributes added
* Enhanced ITL, added sample configuration
* Enable/Disable Icinga 2 features on CLI
* Documentation using Markdown (`Getting Started`, `Monitoring Basics`, `Object Types`, `Icinga Template Library`,
`Advanced Topics`, `Migration from Icinga 1.x`, `Differences between Icinga 1.x and 2`, `Vagrant Demo VM`)
* Vagrant Demo VM supported by Puppet modules installing RPM snapshots for Icinga 2, Icinga 1.x Classic UI and Web
* Package snapshots available on [packages.icinga.org]