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.. _plugins_lookup:
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Working With Plugins
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Plugins are pieces of code that augment Ansible's core functionality. Ansible uses a plugin architecture to enable a rich, flexible and expandable feature set.
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Ansible ships with a number of handy plugins, and you can easily write your own.
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This section covers the various types of plugins that are included with Ansible:
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.. toctree ::
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:maxdepth: 1
action
Become plugins (#50991)
* [WIP] become plugins
Move from hardcoded method to plugins for ease of use, expansion and overrides
- load into connection as it is going to be the main consumer
- play_context will also use to keep backwards compat API
- ensure shell is used to construct commands when needed
- migrate settings remove from base config in favor of plugin specific configs
- cleanup ansible-doc
- add become plugin docs
- remove deprecated sudo/su code and keywords
- adjust become options for cli
- set plugin options from context
- ensure config defs are avaialbe before instance
- refactored getting the shell plugin, fixed tests
- changed into regex as they were string matching, which does not work with random string generation
- explicitly set flags for play context tests
- moved plugin loading up front
- now loads for basedir also
- allow pyc/o for non m modules
- fixes to tests and some plugins
- migrate to play objects fro play_context
- simiplify gathering
- added utf8 headers
- moved option setting
- add fail msg to dzdo
- use tuple for multiple options on fail/missing
- fix relative plugin paths
- shift from play context to play
- all tasks already inherit this from play directly
- remove obsolete 'set play'
- correct environment handling
- add wrap_exe option to pfexec
- fix runas to noop
- fixed setting play context
- added password configs
- removed required false
- remove from doc building till they are ready
future development:
- deal with 'enable' and 'runas' which are not 'command wrappers' but 'state flags' and currently hardcoded in diff subsystems
* cleanup
remove callers to removed func
removed --sudo cli doc refs
remove runas become_exe
ensure keyerorr on plugin
also fix backwards compat, missing method is attributeerror, not ansible error
get remote_user consistently
ignore missing system_tmpdirs on plugin load
correct config precedence
add deprecation
fix networking imports
backwards compat for plugins using BECOME_METHODS
* Port become_plugins to context.CLIARGS
This is a work in progress:
* Stop passing options around everywhere as we can use context.CLIARGS
instead
* Refactor make_become_commands as asked for by alikins
* Typo in comment fix
* Stop loading values from the cli in more than one place
Both play and play_context were saving default values from the cli
arguments directly. This changes things so that the default values are
loaded into the play and then play_context takes them from there.
* Rename BECOME_PLUGIN_PATH to DEFAULT_BECOME_PLUGIN_PATH
As alikins said, all other plugin paths are named
DEFAULT_plugintype_PLUGIN_PATH. If we're going to rename these, that
should be done all at one time rather than piecemeal.
* One to throw away
This is a set of hacks to get setting FieldAttribute defaults to command
line args to work. It's not fully done yet.
After talking it over with sivel and jimi-c this should be done by
fixing FieldAttributeBase and _get_parent_attribute() calls to do the
right thing when there is a non-None default.
What we want to be able to do ideally is something like this:
class Base(FieldAttributeBase):
_check_mode = FieldAttribute([..] default=lambda: context.CLIARGS['check'])
class Play(Base):
# lambda so that we have a chance to parse the command line args
# before we get here. In the future we might be able to restructure
# this so that the cli parsing code runs before these classes are
# defined.
class Task(Base):
pass
And still have a playbook like this function:
---
- hosts:
tasks:
- command: whoami
check_mode: True
(The check_mode test that is added as a separate commit in this PR will
let you test variations on this case).
There's a few separate reasons that the code doesn't let us do this or
a non-ugly workaround for this as written right now. The fix that
jimi-c, sivel, and I talked about may let us do this or it may still
require a workaround (but less ugly) (having one class that has the
FieldAttributes with default values and one class that inherits from
that but just overrides the FieldAttributes which now have defaults)
* Revert "One to throw away"
This reverts commit 23aa883cbed11429ef1be2a2d0ed18f83a3b8064.
* Set FieldAttr defaults directly from CLIARGS
* Remove dead code
* Move timeout directly to PlayContext, it's never needed on Play
* just for backwards compat, add a static version of BECOME_METHODS to constants
* Make the become attr on the connection public, since it's used outside of the connection
* Logic fix
* Nuke connection testing if it supports specific become methods
* Remove unused vars
* Address rebase issues
* Fix path encoding issue
* Remove unused import
* Various cleanups
* Restore network_cli check in _low_level_execute_command
* type improvements for cliargs_deferred_get and swap shallowcopy to default to False
* minor cleanups
* Allow the su plugin to work, since it doesn't define a prompt the same way
* Fix up ksu become plugin
* Only set prompt if build_become_command was called
* Add helper to assist connection plugins in knowing they need to wait for a prompt
* Fix tests and code expectations
* Doc updates
* Various additional minor cleanups
* Make doas functional
* Don't change connection signature, load become plugin from TaskExecutor
* Remove unused imports
* Add comment about setting the become plugin on the playcontext
* Fix up tests for recent changes
* Support 'Password:' natively for the doas plugin
* Make default prompts raw
* wording cleanups. ci_complete
* Remove unrelated changes
* Address spelling mistake
* Restore removed test, and udpate to use new functionality
* Add changelog fragment
* Don't hard fail in set_attributes_from_cli on missing CLI keys
* Remove unrelated change to loader
* Remove internal deprecated FieldAttributes now
* Emit deprecation warnings now
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become
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cache
callback
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cliconf
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connection
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httpapi
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inventory
lookup
shell
strategy
vars
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../user_guide/playbooks_filters
../user_guide/playbooks_tests
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../user_guide/plugin_filtering_config
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.. seealso ::
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:ref: `about_playbooks`
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An introduction to playbooks
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:ref: `ansible_configuration_settings`
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Ansible configuration documentation and settings
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:ref: `command_line_tools`
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Ansible tools, description and options
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