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88 lines
2.8 KiB
Python
88 lines
2.8 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: file
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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 file contents
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description:
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- This lookup returns the contents from a file on the Ansible controller's file system.
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options:
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_terms:
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description: path(s) of files to read
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required: True
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rstrip:
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description: whether or not to remove whitespace from the ending of the looked-up file
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type: bool
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required: False
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default: True
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lstrip:
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description: whether or not to remove whitespace from the beginning of the looked-up file
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type: bool
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required: False
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default: False
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notes:
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- if read in variable context, the file can be interpreted as YAML if the content is valid to the parser.
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- this lookup does not understand 'globing', use the fileglob lookup instead.
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"""
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EXAMPLES = """
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- debug: msg="the value of foo.txt is {{lookup('file', '/etc/foo.txt') }}"
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- name: display multiple file contents
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debug: var=item
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with_file:
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- "/path/to/foo.txt"
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- "bar.txt" # will be looked in files/ dir relative to play or in role
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- "/path/to/biz.txt"
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"""
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RETURN = """
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_raw:
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description:
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- content of file(s)
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"""
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from ansible.errors import AnsibleError, AnsibleParserError
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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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try:
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from __main__ import display
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except ImportError:
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from ansible.utils.display import Display
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display = Display()
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class LookupModule(LookupBase):
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def run(self, terms, variables=None, **kwargs):
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ret = []
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for term in terms:
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display.debug("File lookup term: %s" % term)
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# Find the file in the expected search path
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lookupfile = self.find_file_in_search_path(variables, 'files', term)
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display.vvvv(u"File lookup using %s as file" % lookupfile)
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try:
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if lookupfile:
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b_contents, show_data = self._loader._get_file_contents(lookupfile)
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contents = to_text(b_contents, errors='surrogate_or_strict')
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if kwargs.get('lstrip', False):
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contents = contents.lstrip()
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if kwargs.get('rstrip', True):
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contents = contents.rstrip()
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ret.append(contents)
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else:
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raise AnsibleParserError()
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except AnsibleParserError:
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raise AnsibleError("could not locate file in lookup: %s" % term)
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return ret
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