mirror of
https://github.com/thegeeklab/ansible-later.git
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68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
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# (c) 2012, Daniel Hokka Zakrisson <daniel@hozac.com>
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# (c) 2017 Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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DOCUMENTATION = """
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lookup: pipe
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author: Daniel Hokka Zakrisson <daniel@hozac.com>
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version_added: "0.9"
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short_description: read output from a command
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description:
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- Run a command and return the output
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options:
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_terms:
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description: command(s) to run
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required: True
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notes:
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- Like all lookups this runs on the Ansible controller and is unaffected by other keywords, such as become,
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so if you need to different permissions you must change the command or run Ansible as another user.
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- Alternatively you can use a shell/command task that runs against localhost and registers the result.
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"""
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EXAMPLES = """
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- name: raw result of running date command"
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debug: msg="{{ lookup('pipe','date') }}"
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- name: Always use quote filter to make sure your variables are safe to use with shell
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debug: msg="{{ lookup('pipe','getent ' + myuser|quote ) }}"
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"""
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RETURN = """
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_string:
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description:
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- stdout from command
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"""
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import subprocess
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from ansible.errors import AnsibleError
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from ansible.plugins.lookup import LookupBase
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class LookupModule(LookupBase):
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def run(self, terms, variables, **kwargs):
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ret = []
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for term in terms:
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'''
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http://docs.python.org/2/library/subprocess.html#popen-constructor
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The shell argument (which defaults to False) specifies whether to use the
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shell as the program to execute. If shell is True, it is recommended to pass
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args as a string rather than as a sequence
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https://github.com/ansible/ansible/issues/6550
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'''
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term = str(term)
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p = subprocess.Popen(term, cwd=self._loader.get_basedir(), shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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(stdout, stderr) = p.communicate()
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if p.returncode == 0:
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ret.append(stdout.decode("utf-8").rstrip())
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else:
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raise AnsibleError("lookup_plugin.pipe(%s) returned %d" % (term, p.returncode))
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return ret
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