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check_imagestreams.py
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check_imagestreams.py
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#!/bin/env python3
# MIT License
#
# Copyright (c) 2018-2019 Red Hat, Inc.
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import sys
import json
import logging
import os
from pathlib import Path
from typing import Dict, List, Any
IMAGESTREAMS_DIR: str = "imagestreams"
class ImageStreamChecker(object):
version: str = ""
def __init__(self, version: str):
self.version = version
self.results: Dict[Any, Any] = {}
def load_json_file(self, filename: Path) -> Any:
with open(str(filename)) as f:
data = json.load(f)
isinstance(data, Dict)
return data
def check_version(self, json_dict: Dict[Any, Any]) -> List[str]:
res = []
for tags in json_dict["spec"]["tags"]:
print(
f"check_version: Compare tags['name']:'{tags['name']}' against version:'{self.version}'"
)
# The name can be"<stream>" or "<stream>-elX" or "<stream>-ubiX"
if tags["name"] == self.version or tags["name"].startswith(
self.version + "-"
):
res.append(tags)
return res
def check_latest_tag(self, json_dict: Dict[Any, Any]) -> bool:
latest_tag_correct: bool = False
for tags in json_dict["spec"]["tags"]:
if tags["name"] != "latest":
continue
print(
f"check_latest_tag: Compare tags['name']:'{tags['name']}' against version:'{self.version}'"
)
# The latest can link to either "<stream>" or "<stream>-elX" or "<stream>-ubiX"
if tags["from"]["name"] == self.version or tags["from"]["name"].startswith(
self.version + "-"
):
latest_tag_correct = True
print(f"Latest tag found.")
return latest_tag_correct
def check_imagestreams(self) -> int:
p = Path(".")
json_files = p.glob(f"{IMAGESTREAMS_DIR}/*.json")
if not json_files:
print(f"No json files present in {IMAGESTREAMS_DIR}.")
return 0
for f in json_files:
print(f"Checking file {str(f)}.")
json_dict = self.load_json_file(f)
if not (self.check_version(json_dict) and self.check_latest_tag(json_dict)):
print(
f"The latest version is not present in {str(f)} or in latest tag."
)
self.results[f] = False
if self.results:
return 1
print("Imagestreams contains the latest version.")
return 0
if __name__ == "__main__":
if len(sys.argv) != 2:
logging.fatal("%s: %s", sys.argv[0], "VERSION as an argument was not provided")
sys.exit(1)
print(f"Version to check is {sys.argv[1]}.")
isc = ImageStreamChecker(version=sys.argv[1])
sys.exit(isc.check_imagestreams())