121 lines
4.1 KiB
ReStructuredText
121 lines
4.1 KiB
ReStructuredText
.. _special_variables:
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Special Variables
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=================
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Magic
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-----
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These variables are directly not settable by the user, Ansible will always override them to reflect internal state.
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ansible_check_mode
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Boolean that indicates if we are in check mode or not
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ansible_diff_mode
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Boolean that indicates if we are in diff mode or not
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ansible_forks
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Integer reflecting the number of maximum forks available to this run
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ansible_inventory_sources
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List of sources used as inventory
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ansible_limit
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Contents of the ``--limit`` CLI option for the current execution of Ansible
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ansible_play_batch
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List of active hosts in the current play run limited by the serial, aka 'batch'. Failed/Unreachable hosts are not considered 'active'.
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ansible_play_hosts
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The same as ansible_play_batch
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ansible_play_hosts_all
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List of all the hosts that were targeted by the play
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ansible_playbook_python
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The path to the python interpreter being used by Ansible on the controller
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ansible_run_tags
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Contents of the ``--tags`` CLI option, which specifies which tags will be included for the current run.
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ansible_search_path
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Current search path for action plugins and lookups, i.e where we search for relative paths when you do ``template: src=myfile``
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ansible_skip_tags
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Contents of the ``--skip_tags`` CLI option, which specifies which tags will be skipped for the current run.
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ansible_verbosity
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Current verbosity setting for Ansible
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ansible_version
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Dictionary/map that contains information about the current running version of ansible, it has the following keys: full, major, minor, revision and string.
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group_names
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List of groups the current host is part of
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groups
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A dictionary/map with all the groups in inventory and each group has the list of hosts that belong to it
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hostvars
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A dictionary/map with all the hosts in inventory and variables assigned to them
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inventory_hostname
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The inventory name for the 'current' host being iterated over in the play
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inventory_hostname_short
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The short version of `inventory_hostname`
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inventory_dir
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The directory of the inventory source in which the `inventory_hostname` was first defined
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inventory_file
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The file name of the inventory source in which the `inventory_hostname` was first defined
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omit
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Special variable that allows you to 'omit' an option in a task, i.e ``- user: name=bob home={{ bobs_home|default(omit)}}``
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play_hosts
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Deprecated, the same as ansbile_play_batch
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playbook_dir
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The path to the directory of the playbook that was passed to the ``ansible-playbook`` command line.
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role_names
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The names of the rules currently imported into the current play.
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role_path
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The path to the dir of the currently running role
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Facts
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-----
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These are variables that contain information pertinent to the current host (`inventory_hostname`), they are only available if gathered first.
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ansible_facts
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Contains any facts gathered or cached for the `inventory_hostname`
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Facts are normally gathered by the M(setup) module automatically in a play, but any module can return facts.
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ansible_local
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Contains any 'local facts' gathred or cached for the `inventory_hostname`.
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The keys available depend on the custom facts created.
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See the M(setup) module for more details.
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Connection variables
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---------------------
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These are variables are normally used to set the specifics on how to execute actions on a target,
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most of them correspond to connection plugins but not all are specific to them, other plugins like shell, terminal and become are normally involved.
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Only the common ones are described as each connection/become/shell/etc plugin can define it's own overrides and specific variables.
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ansible_become_user
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The user Ansible 'becomes' after using privilege escalation, this must be available to the 'login user'.
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ansible_connecion
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The connection plugin actually used for the task on the target host.
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ansible_host
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The ip/name of the target host to use instead of `inventory_hostname`.
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ansible_python_interpreter
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The path to the Python executable Ansible should use on the target host.
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ansible_user
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The user Ansible 'logs in' as.
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