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236 lines
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236 lines
5.1 KiB
Plaintext
ansible-modules(5)
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=================
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:doctype:manpage
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:man source: Ansible-modules
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:man version: 0.0.1
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:man manual: Ansible
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NAME
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----
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ansible-modules - stock modules shipped with ansible
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DESCRIPTION
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-----------
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Ansible ships with a number of modules that can be executed directly on remote hosts or through
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ansible playbooks.
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IDEMPOTENCE
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-----------
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Most modules other than command are idempotent, meaning they will seek to avoid changes
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unless a change needs to be made. When using ansible playbooks, these modules can
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trigger change events, as described in *ansible-playbooks*(5).
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Unless otherwise noted, all modules support change hooks.
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command
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-------
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The command module takes the command name followed by a list of arguments, space delimited.
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This is the only module that does not use key=value style parameters.
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Example usage::
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/sbin/shutdown -t now
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This module does not support change hooks.
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Returns the return code from the program as well as timing information.
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(Async command running and command execution time limits are in plan.)
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copy
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----
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The copy module moves a file on the local box to remote locations.
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*src=*::
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Local absolute path to a file to copy to the remote server
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*dest=*::
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Remote absolute path where the file should end up
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This module also returns md5sum information about the resultant file.
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facter
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------
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Runs the discovery program 'facter' on the remote system, returning
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JSON data that can be useful for inventory purposes.
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Requires that 'facter' and 'ruby-json' be installed on the remote end.
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This module is informative only - it takes no parameters & does not support change hooks,
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nor does it make any changes on the system.
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file
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----
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Ensures the ownership and permissions of files are as desired.
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Use copy or template first if you need to make sure a file is on the box.
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In plan.
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git
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---
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Deploys software from git checkouts.
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*repo=*::
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git or http protocol address of the repo to checkout
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*dest=*::
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where to check it out, an absolute directory path
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*version=*::
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what version to check out -- either the git SHA, the literal string 'HEAD', or a tag name
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ohai
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----
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Similar to the facter module, this returns JSON inventory data. Ohai
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data is a bit more verbose and nested than facter.
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Requires that 'ohai' be installed on the remote end.
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This module is information only - it takes no parameters & does not
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support change hooks, nor does it make any changes on the system.
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ping
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----
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A trivial test module, this module always returns the integer '1' on
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successful contact.
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This module does not support change hooks.
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This module is informative only - it takes no parameters & does not
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support change hooks, nor does it make any changes on the system.
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service
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-------
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Controls services on remote machines.
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*state=*::
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Values are 'started', 'stopped', or 'restarted'. Started/stopped
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are idempotent actions that will not run commands unless neccessary.
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'restarted' will always bounce the service
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*name=*::
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The name of the service
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setup
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-----
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Writes a JSON file containing key/value data, for use in templating.
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Call this once before using the template modules, usually as the very
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first step in your playbook.
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If facter or ohai are installed, variables from these programs will also
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be snapshotted into the JSON file for usage in templating. These variables
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are prefixed with 'facter_' and 'ohai_" so it's easy to tell their source.
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*metadata=*::
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Optionally overrides the default JSON file location of /etc/ansible/setup.
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If used, also supply the metadata parameter to 'template'. Change if
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running as a non-root remote user who does not have permissions on /etc/ansible.
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*anything=*::
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any other parameters can be named basically anything, and set a key=value
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pair in the JSON file for use in templating.
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template
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--------
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Templates a file out to a remote server. Call the setup module prior to usage.
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*src=*::
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path of a Jinja2 formatted template on the local server
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*dest*::
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location to render the template on the remote server
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*metadata*::
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location of a JSON file to use to supply template data. Default is /etc/ansible/setup
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which is the same as the default for the setup module. Change if running as a non-root
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remote user who does not have permissions on /etc/ansible.
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This module also returns md5sum information about the resultant file.
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user
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----
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This module is in plan.
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yum
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---
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This module is in plan.
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WRITING YOUR OWN MODULES
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------------------------
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To write your own modules, simply follow the convention of those already available in
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/usr/share/ansible. Modules must return JSON but can be written in any language.
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To support change hooks, modules should return hashes, with a changed: True/False
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element at the top level. Modules can also choose to indicate a failure scenario
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by returning a top level 'failure' element with a True value.
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ENVIRONMENT
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-----------
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ANSIBLE_LIBRARY -- Override the default ansible module library path
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AUTHOR
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------
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Ansible was originally written by Michael DeHaan. See the AUTHORS file
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for a complete list of contributors.
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SEE ALSO
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--------
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*ansible*(1)
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*ansible-playbook*(5)
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Ansible home page: <https://github.com/mpdehaan/ansible/>
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