313 lines
11 KiB
Plaintext
313 lines
11 KiB
Plaintext
[[watcher-release-notes]]
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== Watcher Release Notes (Pre-5.0)
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[float]
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[[watcher-change-list]]
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=== Change List
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[float]
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==== 2.4.2
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November 22, 2016
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.Bug Fixes
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* Deleting a watch now is independent from its current execution state in
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order to prevent failed deletions with watches having small intervals
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* Chain input: Parsing now throws an exception if a data structure is added, that cannot keep its order
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[float]
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==== 2.4.1
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September 28, 2016
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.Bug Fixes
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* Fixed a serialization error that resulted in the watch history not being
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written when a proxy is specified in a watch.
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* Triggered watches are now correctly deleted from the `.triggered-watches`
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index if they are rejected due to a full thread pool.
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* Deleting or closing the `.watches` index now correctly cleans up the
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in-memory watch store so the watches are no longer executed.
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* If the HTTP request for an attachment fails, the error message is included
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in the watch history.
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* Fixed a possible exception when chained inputs don't execute successfully.
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.Enhancements
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* Hostname verification can be disabled for Watcher
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HTTP actions.
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* Running watches can be updated and deleted.
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[float]
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==== 2.4.0
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August 31, 2016
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.Enhancements
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* The HTTP headers of a response are now part of the payload and can be accessed via `ctx.payload._headers`
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[float]
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==== 2.3.5
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August 3, 2016
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.Bug Fixes
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* The watch history was not written, if one of the chained inputs resulted in a failure as well as an input containing a field name with dots
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* Status of an acked watch, whose condition evaluates to false again is now properly persisted and not lost in case of a master node switch
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* Fixed the watch history template so payloads and request bodies are handled
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correctly. To update an existing installation, delete the existing watch history
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template by running `DELETE /_template/watch_history` and the correct template
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will be autocreated. To verify the template is recreated, call `GET
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/_template/watch_history`. Note that this just updates the template, so you
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need to wait one day for this update to take effect when a new history index is
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created.
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* The `watcher.http.proxy.port` setting for global proxy configuration was not applied correctly.
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[float]
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==== 2.3.4
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July 7, 2016
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.Bug Fixes
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* Putting a new watch with state `active=false` now stores that state correctly
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on a multi node cluster.
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* Fixed the watch history template so nested request bodies are handled
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correctly. To update an existing installation, delete the existing watch history
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template by running `DELETE /_template/watch_history` and the correct template
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will be autocreated. To verify the template is recreated, call `GET
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/_template/watch_history`. Note that this just updates the template, so you
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need to wait one day for this update to take effect when a new history index is
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created.
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* The HTML sanitizer now supports border and cellpadding attributes on table
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elements and the colspan and rowspan attributes on <td> and <tr> elements.
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* Fixed the Watcher/Marvel examples in the documentation.
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[float]
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==== 2.3.3
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May 18, 2016
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.Enhancements
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* Adds support for Elasticsearch 2.3.3
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[float]
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==== 2.3.2
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April 26, 2016
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.Bug Fixes
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* All SMTP connection timeouts are now set to two minutes by default to prevent
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a watch from getting stuck.
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* HTTP headers from responses that contained dots led to exceptions when the
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HTTP response was stored in the watch history. All dots in any header names
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are now replaced with underscores. For example, a header called `foo.bar`
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becomes `foo_bar`
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* Hipchat action: Fall back to the default Hipchat color and format if they
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are not specified at the account level or within the action itself, instead
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of failing.
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[float]
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==== 2.3.1
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April 4, 2016
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.Enhancements
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* Adds support for Elasticsearch 2.3.1
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[float]
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==== 2.3.0
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March 30, 2016
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.Bug fixes
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* The http client does not do any URL escaping by itself anymore, preventing
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potential wrong double escapes.
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.Enhancement
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* Support `url` in http requests as a shortcut for `path`, `scheme`, `port`, `params`
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* Support `ignore_condition` and `record_execution` as parameters in the
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{ref}/watcher-api-execute-watch.html[Execute Watch API]
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.New Features
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* Added <<actions-pagerduty, PagerDuty action>>
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* Added support for adding <<configuring-email-attachments, attachments to emails>>
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via HTTP requests and superseding and deprecating the usage of `attach_data`
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in order to use this feature
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[float]
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==== 2.2.1
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March 10, 2016
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.Bug Fixes
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* The `croneval` CLI tool sets the correct environment to run
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[float]
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==== 2.2.0
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February 2, 2016
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.Enhancements
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* Adds support for Elasticsearch 2.2.0.
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[float]
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==== 2.1.2
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February 2, 2016
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.Enhancements
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* Adds support for Elasticsearch 2.1.2
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[float]
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==== 2.1.1
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December 17, 2015
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.Bug Fixes
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* Fixed an issue that prevented sending of emails
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[float]
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==== 2.1.0
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November 24, 2015
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.New Features
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* Adds support for <<input-chain, chaining several inputs>>
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.Enhancements
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* Adds support for Elasticsearch 2.1.0.
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* Adds support for configuring a proxy in the webhook action, http input and
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configuring a default proxy (which is also used by the slack action), using the
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`watcher.http.proxy.host` and `watcher.http.proxy.port` settings.
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.Bug Fixes
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* Fixed an issue where the scheduler may get stuck during Watcher startup. This
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caused no watches to ever fire.
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* Fixed an issue where under specific conditions Watcher would not start if there
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are not finished watch executions from the previous time that watcher was
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running and those watch execution are unable the execute during the current
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start process.
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[float]
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==== 2.0.1
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November 24, 2015
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.Enhancement
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* Adds support for Elasticsearch 2.0.1.
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.Bug fixes
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* Fixed an issue where under specific conditions Watcher would not start if
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there are not finished watch executions from the previous time that watcher
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was running and those watch execution are unable the execute during the current
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start process.
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[float]
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==== 2.0.0
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October 28, 2015
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.Breaking Changes
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* The dynamic index names support has been removed and Elasticsearch's date math
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index names support should be used instead. The only difference between Watcher's
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dynamic index names support and Elasticsearch's date math index names support is
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how timezones are expressed. In Watcher this is done via node settings, in
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Elasticsearch the timezone is part of the date math index names support. Only
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if you're using dynamic index names with timezones in Watcher then you need to
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upgrade your watches after the upgrade, otherwise your watches will work as
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they did before the upgrade. For example if `watcher.dynamic_indices.time_zone`
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setting was set to `+01:00` and a watch has the following index name
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`<logstash-{now/d}>` then after the upgrade you need to update this watch to
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use the following index name `<logstash-{now/d{YYYY.MM.dd|+01:00}}>`.
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.New Features
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* Added new <<actions-hipchat, HipChat Action>>
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* Added new <<actions-slack, Slack Action>>
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* Watches now have an <<watch-active-state, active state>>. In addition, a new
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API was added to {ref}/watcher-api-activate-watch.html[activate]
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/{ref}watcher-api-deactivate-watch.html[deactivate] registered watches.
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* Added new <<condition-array-compare, array_compare>>, that can compare an array
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of values in the <<watch-execution-context, Watch Execution Context Model>>
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to a given value.
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.Enhancements
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* Watcher continuously checks if the index templates for `.watches`,
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`.triggered_watches` and `.watch_history-*` exist. Whereas before the existence
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of these index templates was only checked at Watcher startup time. The absence
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of these index templates leads to watcher data being indexed incorrectly, which
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then can cause Watcher to behave incorrectly.
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* If Watcher was stopped via the stop Watcher api and after that a master
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election took place then Watcher would then unexpectedly start.
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* During Watcher start up only wait for the shards of the `.watches` and
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`.triggered_watches` indices to be available. Before Watcher also waited for
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the shards of the `.watch_history-*` indices, which wasn't needed. This
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improved time it takes for Watcher to startup.
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* If `action.auto_create_index` setting has been configured then Watcher will
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check if the setting is too restrictive. If the `action.auto_create_index` is
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too restrictive then Watcher will fail during startup with a descriptive error
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message.
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.Bug Fixes
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* If Watcher was installed with Security then the Watcher index templates couldn't
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be stored and could lead to Watcher behaving incorrectly. This was caused by
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Watcher not detecting correctly if Security was installed.
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* Update `croneval` command line utility to properly handle whitespaces in the
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elasticsearch home path.
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* Fixed an issue where the scheduler may get stuck during Watcher startup. This
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caused no watches to ever fire.
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* Fixed url encoding issue in http input and webhook output. The url params were
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url encoded twice.
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[float]
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==== 1.0.1
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July 29, 2015
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.Enhancements
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* Dynamic index names now support specifying a time zone to be used when
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computing the names of the indices. The default is UTC. Previously, the
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computation was fixed to always use UTC when computing the names of the
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indices.
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.Bug Fixes
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* Fixed a compatibility issue with Elasticsearch 1.6.1 and 1.7.2, which were
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released earlier today.
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[float]
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==== 1.0.0
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June 25, 2015
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.Enhancements
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* Added execution time aware dynamic index names support to `index`
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action, `search` input, and `search` transform.
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* You must now explicitly specify the unit when configuring any time value.
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(Numeric-only values are no longer supported.)
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* Cleaned up the {ref}/watcher-api-get-watch.html[Get Watch API] response.
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* Cleaned up the <<watcher-api-stats, Stats API>> response.
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[float]
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==== 1.0.0-rc1
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June 19, 2015
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.New Features
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* Added <<watcher-api-execute-inline-watch, inline watch>> support to the Execute API
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.Enhancements
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* Added execution context <<watch-execution-context, variables>> support.
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* Email html body sanitization is now <<email-html-sanitization, configurable>>.
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* It is now possible to configure timeouts for http requests in
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<<http-input-attributes, HTTP input>> and <<webhook-action-attributes, webhook actions>>.
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[float]
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==== 1.0.0-Beta2
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June 10, 2015
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.New Features
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* <<actions-ack-throttle, Acking and Throttling>> are now applied at the action
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level rather than the watch level.
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* Added support for <<anatomy-actions-index-multi-doc-support, multi-doc>>
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indexing to the index action.
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* Added a queued watches metric that's accessible via the <<watcher-api-stats, Stats API>>.
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* Added a currently-executing watches metric that's accessible via the
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<<watcher-api-stats, Stats API>>.
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.Enhancements
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* The <<condition-compare, compare condition>> result now includes the value of
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each field that was referenced in the comparison.
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* The <<watcher-api-execute-watch, Execute API>> now supports a default trigger
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event (**breaking change**).
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* The `watch_record` document structure in the `.watch_history-*` indices has
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changed significantly (**breaking change**).
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* A new internal index was introduced - `.triggered_watches`
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* Added support for headers in the <<actions-webhook, Webhook Action>> result
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and the <<input-http, HTTP Input>> result.
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* Add plain text response body support for the <<input-http, HTTP Input>>.
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.Bug Fixes
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* Disallow negative time value settings for <<actions-ack-throttle, `throttle_period`>>
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* Added support for separate keystore and truststore in <<actions-webhook, Webhook Action>>
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and <<input-http, HTTP Input>>.
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