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Version 0.10.1 is missing since it does not have a Release Notes file.
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3.7 KiB
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102 lines
3.7 KiB
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=========================
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Salt 0.10.0 Release Notes
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=========================
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:release: 2012-06-16
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0.10.0 has arrived! This release comes with MANY bug fixes, and new
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capabilities which greatly enhance performance and reliability. This
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release is primarily a bug fix release with many new tests and many repaired
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bugs. This release also introduces a few new key features which were brought
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in primarily to repair bugs and some limitations found in some of the
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components of the original architecture.
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Major Features
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==============
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Event System
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------------
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The Salt Master now comes equipped with a new event system. This event system
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has replaced some of the back end of the Salt client and offers the beginning of
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a system which will make plugging external applications into Salt. The event
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system relies on a local ZeroMQ publish socket and other processes can connect
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to this socket and listen for events. The new events can be easily managed via
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Salt's event library.
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Unprivileged User Updates
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-------------------------
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Some enhancements have been added to Salt for running as a user other than
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root. These new additions should make switching the user that the Salt Master
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is running as very painless, simply change the ``user`` option in the master
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configuration and restart the master, Salt will take care of all of the
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particulars for you.
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Peer Runner Execution
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---------------------
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Salt has long had the peer communication system used to allow minions to send
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commands via the salt master. 0.10.0 adds a new capability here, now the
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master can be configured to allow for minions to execute Salt runners via
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the ``peer_run`` option in the salt master configuration.
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YAML Parsing Updates
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--------------------
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In the past the YAML parser for sls files would return the incorrect numbers
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when the file mode was set with a preceding 0. The YAML parser used in Salt
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has been modified to no longer convert these number into octal but to keep
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them as the correct value so that sls files can be a little cleaner to write.
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State Call Data Files
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=====================
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It was requested that the minion keep a local cache of the most recent executed
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state run. This has been added and now with state runs the data is stored in a
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msgpack file in the minion's cachedir.
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Turning Off the Job Cache
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=========================
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A new option has been added to the master configuration file. In previous
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releases the Salt client would look over the Salt job cache to read in
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the minion return data. With the addition of the event system the Salt client
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can now watch for events directly from the master worker processes.
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This means that the job cache is no longer a hard requirement. Keep in mind
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though, that turning off the job cache means that historic job execution data
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cannot be retrieved.
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Test Updates
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============
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Minion Swarms Are Faster
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------------------------
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To continue our efforts with testing Salt's ability to scale the minionswarm
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script has been updated. The minionswarm can now start up minions much faster
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than it could before and comes with a new feature allowing modules to be
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disabled, thus lowering the minion's footprint when making a swarm. These new
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updates have allows us to test
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.. code-block:: bash
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# python minionswarm.py -m 20 --master salt-master
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Many Fixes
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==========
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To get a good idea for the number of bugfixes this release offers take a look
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at the closed tickets for 0.10.0, this is a very substantial update:
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https://github.com/saltstack/salt/issues?milestone=12&state=closed
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Master and Minion Stability Fixes
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---------------------------------
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As Salt deployments grow new ways to break Salt are discovered. 0.10.0 comes
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with a number of fixes for the minions and master greatly improving Salt
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stability.
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