mirror of
https://github.com/thegeeklab/ansible-later.git
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109 lines
3.7 KiB
Python
109 lines
3.7 KiB
Python
# Copyright (c) 2020 Sorin Sbarnea <sorin.sbarnea@gmail.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import re
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from ansiblelater.standard import StandardBase
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class CheckFilePermissionMissing(StandardBase):
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sid = "ANSIBLE0018"
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description = "File permissions unset or incorrect"
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helptext = (
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"`mode` parameter should set permissions explicitly (e.g. `mode: 0644`) "
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"to avoid unexpected file permissions"
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)
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version = "0.2"
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types = ["playbook", "task", "handler"]
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_modules = {
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"archive",
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"assemble",
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"copy",
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"file",
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"replace",
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"template",
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}
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_create_modules = {
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"blockinfile": False,
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"htpasswd": True,
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"ini_file": True,
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"lineinfile": False,
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}
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_preserve_modules = (
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"copy",
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"template",
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)
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def check(self, candidate, settings):
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tasks, errors = self.get_normalized_tasks(candidate, settings)
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if not errors:
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for task in tasks:
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if self._check_mode(task):
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errors.append(self.Error(task["__line__"], self.helptext))
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return self.Result(candidate.path, errors)
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def _check_mode(self, task):
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module = task["action"]["__ansible_module__"]
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mode = task["action"].get("mode", None)
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state = task["action"].get("state", "file")
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if module not in self._modules and \
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module not in self._create_modules:
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return False
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if mode == "preserve" and module not in self._preserve_modules:
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return True
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if module in self._create_modules:
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create = task["action"].get("create", self._create_modules[module])
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return create and mode is None
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# If Jinja syntax is used state can not be validated
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jinja = re.compile("{{(.*?)}}")
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if jinja.findall(state):
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return False
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# A file that doesn't exist cannot have a mode
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if state == "absent":
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return False
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# A symlink always has mode 0o777
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if state == "link":
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return False
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# Recurse on a directory does not allow for an uniform mode
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if task["action"].get("recurse", None):
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return False
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# The file module does not create anything when state==file (default)
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if module == "file" and state == "file":
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return False
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# replace module is the only one that has a valid default preserve
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# behavior, but we want to trigger rule if user used incorrect
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# documentation and put "preserve", which is not supported.
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if module == "replace" and mode is None:
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return False
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return mode is None
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