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35 lines
1.3 KiB
Python
35 lines
1.3 KiB
Python
import re
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from ansiblelater.standard import StandardBase
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class CheckShellInsteadCommand(StandardBase):
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sid = "ANSIBLE0010"
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description = "Shell should only be used when essential"
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helptext = "shell should only be used when piping, redirecting or chaining commands"
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version = "0.1"
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types = ["playbook", "task", "handler"]
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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 task["action"]["__ansible_module__"] == "shell":
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# skip processing if args.executable is used as this
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# parameter is no longer support by command module
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if "executable" in task["action"]:
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continue
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if "cmd" in task["action"]:
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cmd = task["action"].get("cmd", [])
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else:
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cmd = " ".join(task["action"].get("__ansible_arguments__", []))
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unjinja = re.sub(r"\{\{[^\}]*\}\}", "JINJA_VAR", cmd)
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if not any(ch in unjinja for ch in "&|<>;$\n*[]{}?"):
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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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