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124 lines
3.5 KiB
ReStructuredText
124 lines
3.5 KiB
ReStructuredText
==================
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File State Backups
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==================
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In 0.10.2 a new feature was added for backing up files that are replaced by
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the file.managed and file.recurse states. The new feature is called the backup
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mode. Setting the backup mode is easy, but is can be set in a number of
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places.
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The backup_mode can be set in the minion config file:
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.. code-block:: yaml
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backup_mode: minion
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Or it can be set for each file:
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.. code-block:: yaml
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/etc/ssh/sshd_config:
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file.managed:
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- source: salt://ssh/sshd_config
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- backup: minion
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Backed-up Files
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===============
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The files will be saved in the minion cachedir under the directory named
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``file_backup``. The files will be in the location relative to where they
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were under the root filesystem and be appended with a timestamp. This should
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make them easy to browse.
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Interacting with Backups
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========================
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Starting with version 0.17.0, it will be possible to list, restore, and delete
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previously-created backups.
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Listing
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-------
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The backups for a given file can be listed using :mod:`file.list_backups
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<salt.modules.file.list_backups>`::
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# salt foo.bar.com file.list_backups /tmp/foo.txt
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foo.bar.com:
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----------
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0:
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----------
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Backup Time:
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Sat Jul 27 2013 17:48:41.738027
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Location:
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/var/cache/salt/minion/file_backup/tmp/foo.txt_Sat_Jul_27_17:48:41_738027_2013
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Size:
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13
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1:
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----------
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Backup Time:
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Sat Jul 27 2013 17:48:28.369804
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Location:
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/var/cache/salt/minion/file_backup/tmp/foo.txt_Sat_Jul_27_17:48:28_369804_2013
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Size:
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35
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Restoring
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---------
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Restoring is easy using :mod:`file.restore_backup
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<salt.modules.file.restore_backup>`, just pass the path and the numeric id
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found with :mod:`file.list_backups <salt.modules.file.list_backups>`::
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# salt foo.bar.com file.restore_backup /tmp/foo.txt 1
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foo.bar.com:
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----------
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comment:
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Successfully restored /var/cache/salt/minion/file_backup/tmp/foo.txt_Sat_Jul_27_17:48:28_369804_2013 to /tmp/foo.txt
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result:
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True
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The existing file will be backed up, just in case, as can be seen if :mod:`file.list_backups
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<salt.modules.file.list_backups>` is run again::
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# salt foo.bar.com file.list_backups /tmp/foo.txt
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foo.bar.com:
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----------
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0:
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----------
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Backup Time:
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Sat Jul 27 2013 18:00:19.822550
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Location:
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/var/cache/salt/minion/file_backup/tmp/foo.txt_Sat_Jul_27_18:00:19_822550_2013
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Size:
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53
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1:
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----------
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Backup Time:
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Sat Jul 27 2013 17:48:41.738027
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Location:
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/var/cache/salt/minion/file_backup/tmp/foo.txt_Sat_Jul_27_17:48:41_738027_2013
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Size:
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13
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2:
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----------
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Backup Time:
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Sat Jul 27 2013 17:48:28.369804
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Location:
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/var/cache/salt/minion/file_backup/tmp/foo.txt_Sat_Jul_27_17:48:28_369804_2013
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Size:
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35
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Deleting
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--------
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Deleting backups can be done using mod:`file.delete_backup
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<salt.modules.file.delete_backup>`::
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# salt foo.bar.com file.delete_backup /tmp/foo.txt 0
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foo.bar.com:
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----------
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comment:
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Successfully removed /var/cache/salt/minion/file_backup/tmp/foo.txt_Sat_Jul_27_18:00:19_822550_2013
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result:
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True
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