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61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
# (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: lines
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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 lines from command
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description:
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- Run one or more commands and split the output into lines, returning them as a list
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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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If you need to use 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: We could read the file directly, but this shows output from command
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debug: msg="{{ item }} is an output line from running cat on /etc/motd"
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with_lines: cat /etc/motd
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- name: More useful example of looping over a command result
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shell: "/usr/bin/frobnicate {{ item }}"
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with_lines:
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- "/usr/bin/frobnications_per_host --param {{ inventory_hostname }}"
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"""
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RETURN = """
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_list:
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description:
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- lines of 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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from ansible.module_utils._text import to_text
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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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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.extend([to_text(l) for l in stdout.splitlines()])
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else:
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raise AnsibleError("lookup_plugin.lines(%s) returned %d" % (term, p.returncode))
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return ret
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