mirror of
https://github.com/thegeeklab/docker-autotag.git
synced 2024-11-22 08:10:40 +00:00
138 lines
3.9 KiB
Python
138 lines
3.9 KiB
Python
"""Main program."""
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import argparse
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import copy
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import os
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from collections import defaultdict
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import semantic_version
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from dockerautotag import __version__
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from dockerautotag.logging import SingleLog
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from dockerautotag.utils import normalize_path
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from dockerautotag.utils import to_bool
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from dockerautotag.utils import to_prerelease
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from dockerautotag.utils import trim_prefix
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class Autotag:
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"""Handles tag operations."""
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def __init__(self):
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self.log = SingleLog()
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self.logger = self.log.logger
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self.args = self._cli_args()
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self.config = self._config()
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self.run()
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def _cli_args(self):
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parser = argparse.ArgumentParser(
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description=("Creates a list of docker tags from a given version string.")
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)
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parser.add_argument(
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"--version", action="version", version="%(prog)s {}".format(__version__)
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)
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return parser.parse_args()
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def _config(self):
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config = defaultdict(dict)
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output_raw = os.environ.get("DOCKER_AUTOTAG_OUTPUT_FILE", None)
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config["file"] = normalize_path(output_raw)
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config["suffix"] = os.environ.get("DOCKER_AUTOTAG_SUFFIX", None)
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config["suffix_strict"] = to_bool(os.environ.get("DOCKER_AUTOTAG_SUFFIX_STRICT", False))
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config["version"] = os.environ.get("DOCKER_AUTOTAG_VERSION", None)
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config["extra"] = os.environ.get("DOCKER_AUTOTAG_EXTRA_TAGS", None)
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config["force_latest"] = to_bool(os.environ.get("DOCKER_AUTOTAG_FORCE_LATEST", False))
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config["ignore_pre"] = to_bool(os.environ.get("DOCKER_AUTOTAG_IGNORE_PRERELEASE", False))
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return config
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@staticmethod
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def _tag_extra(tags, extra):
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e = []
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if extra:
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e = [x.strip() for x in extra.split(",")]
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return tags + e
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@staticmethod
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def _tag_suffix(tags, suffix, suffix_strict):
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if not suffix:
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return tags
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res = []
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if not suffix_strict:
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res = copy.deepcopy(tags)
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for t in tags:
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if t == "latest":
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res.append(suffix)
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else:
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res.append("{}-{}".format(t, suffix))
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return res
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@staticmethod
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def _default_tags(ref, ignore_pre, force_latest):
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default = ["latest"]
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tags = []
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if force_latest:
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tags.append("latest")
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if not ref:
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return default
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ref = trim_prefix(ref, "refs/tags/")
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ref = trim_prefix(ref, "v")
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try:
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version = semantic_version.Version(ref)
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except ValueError:
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try:
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version = semantic_version.Version.coerce(ref)
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except Exception: # noqa:B902
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return default
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except Exception: # noqa:B902
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return default
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if version.prerelease:
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tags.append(
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"{}.{}.{}-{}".format(
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version.major, version.minor, version.patch, to_prerelease(version.prerelease)
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)
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)
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if not ignore_pre:
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return tags
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tags.append("{}.{}".format(version.major, version.minor))
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tags.append("{}.{}.{}".format(version.major, version.minor, version.patch))
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if version.major > 0:
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tags.append("{}".format(version.major))
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return tags
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def run(self):
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config = self.config
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v = self._default_tags(config["version"], config["ignore_pre"], config["force_latest"])
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v = self._tag_suffix(v, config["suffix"], config["suffix_strict"])
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v = self._tag_extra(v, config["extra"])
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if config["file"]:
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try:
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with open(config["file"], "w") as f:
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f.write(",".join(v))
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except IOError as e:
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self.logger.error("Unable to write file: {}".format(str(e)))
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print(",".join(v))
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def main():
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Autotag()
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