mirror of
https://github.com/thegeeklab/ansible-later.git
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95 lines
3.7 KiB
Python
95 lines
3.7 KiB
Python
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# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
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# (c) 2012-17 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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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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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: template
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author: Michael DeHaan <michael.dehaan@gmail.com>
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version_added: "0.9"
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short_description: retrieve contents of file after templating with Jinja2
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description:
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- this is mostly a noop, to be used as a with_list loop when you dont want the content transformed in any way.
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options:
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_terms:
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description: list of files to template
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"""
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EXAMPLES = """
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- name: show templating results
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debug: msg="{{ lookup('template', './some_template.j2') }}
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"""
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RETURN = """
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_raw:
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description: file(s) content after templating
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"""
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import os
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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_bytes, to_text
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from ansible.template import generate_ansible_template_vars
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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, **kwargs):
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convert_data_p = kwargs.get('convert_data', True)
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lookup_template_vars = kwargs.get('template_vars', {})
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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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lookupfile = self.find_file_in_search_path(variables, 'templates', term)
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display.vvvv("File lookup using %s as file" % lookupfile)
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if lookupfile:
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with open(to_bytes(lookupfile, errors='surrogate_or_strict'), 'rb') as f:
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template_data = to_text(f.read(), errors='surrogate_or_strict')
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# set jinja2 internal search path for includes
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searchpath = variables.get('ansible_search_path')
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if searchpath:
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# our search paths aren't actually the proper ones for jinja includes.
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# We want to search into the 'templates' subdir of each search path in
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# addition to our original search paths.
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newsearchpath = []
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for p in searchpath:
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newsearchpath.append(os.path.join(p, 'templates'))
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newsearchpath.append(p)
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searchpath = newsearchpath
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else:
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searchpath = [self._loader._basedir, os.path.dirname(lookupfile)]
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self._templar.environment.loader.searchpath = searchpath
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# The template will have access to all existing variables,
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# plus some added by ansible (e.g., template_{path,mtime}),
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# plus anything passed to the lookup with the template_vars=
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# argument.
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vars = variables.copy()
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vars.update(generate_ansible_template_vars(lookupfile))
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vars.update(lookup_template_vars)
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self._templar.set_available_variables(vars)
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# do the templating
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res = self._templar.template(template_data, preserve_trailing_newlines=True,
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convert_data=convert_data_p, escape_backslashes=False)
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ret.append(res)
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else:
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raise AnsibleError("the template file %s could not be found for the lookup" % term)
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return ret
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