mirror of
https://github.com/thegeeklab/ansible-doctor.git
synced 2024-07-02 07:00:54 +02:00
Robert Kaussow
8e22e87a31
BREAKING CHANGE: Replace the custom logger and `python-json-logger` with `structlog`. This will also change the layout and general structure of the log messages. The original `python-json-logger` package is unmaintained and has caused some issues. Using https://github.com/nhairs/python-json-logger.git instead has fixed the logging issues but prevents PyPI package uploads... ``` HTTP Error 400: Can't have direct dependency: python-json-logger@ git+https://github.com/nhairs/python-json-logger.git@v3.1.0. See https://packaging.python.org/specifications/core-metadata for more information. ```
114 lines
3.7 KiB
Python
114 lines
3.7 KiB
Python
"""Module for handling templates."""
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import atexit
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import glob
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import ntpath
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import os
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import shutil
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import tempfile
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import structlog
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from git import GitCommandError, Repo
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import ansibledoctor.exception
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from ansibledoctor.utils import sysexit_with_message
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class Template:
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"""
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Represents a template that can be used to generate content.
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Templates can be sourced from a local file or a Git repository. The `Template` class handles
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the initialization and setup of a template, including cloning a Git repository if necessary.
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Args:
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----
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name (str): The name of the template.
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src (str): The source of the template, in the format `<provider>><path>`.
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Supported providers are `local` and `git`.
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Raises:
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------
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ansibledoctor.exception.TemplateError
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"""
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def __init__(self, name, src):
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self.log = structlog.get_logger()
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self.name = name
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self.src = src
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try:
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provider, path = self.src.split(">", 1)
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except ValueError as e:
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raise ansibledoctor.exception.TemplateError(
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"Error reading template src", str(e)
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) from e
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self.provider = provider.strip().lower()
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self.path = path.strip()
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if self.provider == "local":
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self.path = os.path.realpath(os.path.join(self.path, self.name))
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elif self.provider == "git":
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repo_url, branch_or_tag = (
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self.path.split("#", 1) if "#" in self.path else (self.path, None)
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)
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temp_dir = self._clone_repo(repo_url, branch_or_tag)
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self.path = os.path.join(temp_dir, self.name)
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else:
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raise ansibledoctor.exception.TemplateError(
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f"Unsupported template provider: {provider}"
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)
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self.files = self._scan_files()
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def _clone_repo(self, repo_url, branch_or_tag=None):
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temp_dir = tempfile.mkdtemp(prefix="ansibledoctor-")
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atexit.register(self._cleanup_temp_dir, temp_dir)
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try:
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self.log.debug("Cloning template repo", src=repo_url)
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repo = Repo.clone_from(repo_url, temp_dir)
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if branch_or_tag:
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self.log.debug(f"Checking out branch or tag: {branch_or_tag}")
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try:
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repo.git.checkout(branch_or_tag)
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except GitCommandError as e:
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raise ansibledoctor.exception.TemplateError(
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f"Error checking out branch or tag: {branch_or_tag}: {e}"
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) from e
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return temp_dir
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except GitCommandError as e:
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msg = e.stderr.strip("'").strip()
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msg = msg.removeprefix("stderr: ")
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raise ansibledoctor.exception.TemplateError(
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f"Error cloning Git repository: {msg}"
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) from e
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def _scan_files(self):
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"""Search for Jinja2 (.j2) files to apply to the destination."""
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template_files = []
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if os.path.isdir(self.path):
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self.log.info("Lookup template files", src=self.src)
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else:
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sysexit_with_message("Can not open template directory", path=self.path)
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for file in glob.iglob(self.path + "/**/*.j2", recursive=True):
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relative_file = file[len(self.path) + 1 :]
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if ntpath.basename(file)[:1] != "_":
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self.log.debug("Found template file", path=relative_file)
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template_files.append(relative_file)
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else:
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self.log.debug("Skipped template file", path=relative_file)
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return template_files
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@staticmethod
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def _cleanup_temp_dir(temp_dir):
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if temp_dir and os.path.exists(temp_dir):
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shutil.rmtree(temp_dir)
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