55 lines
2.1 KiB
Python
55 lines
2.1 KiB
Python
# Author: Adrián Tóth <adtoth@redhat.com>
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#
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# Copyright (c) 2020, Red Hat, Inc.
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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.rule import RuleBase
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class CheckNestedJinja(RuleBase):
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rid = "ANS123"
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description = "Don't use nested Jinja2 pattern"
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helptext = (
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"there should not be any nested jinja pattern "
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"like `{{ list_one + {{ list_two | max }} }}`"
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)
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types = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars"]
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def check(self, candidate, settings):
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yamllines, errors = self.get_normalized_yaml(candidate, settings)
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pattern = re.compile(r"{{(?:[^{}]*)?[^'\"]{{")
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matches = []
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if not errors:
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for i, line in yamllines:
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if "!unsafe" in line:
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continue
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match = pattern.findall(line)
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if match:
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for item in match:
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matches.append((i, item))
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for i, _ in matches:
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errors.append(self.Error(i, self.helptext))
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return self.Result(candidate.path, errors)
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