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#!/usr/bin/env python3
import inspect
import logging
import os
from pprint import pprint
import sys
import requests
from requests import HTTPError
import yaml
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))))
from helpers import setup_logging
from lib.cache import Cache
from lib.helpers import refuse_root
class GitHub:
"""
This class has the job to:
1) find all repositories
2) filter repositories with defined workflow
3) construct package metadata from workflow definition
"""
def __init__(self):
# These packages don't have defined workflow for some reason.
# They also don't have correct branch so we need to default to current.
self.additional_packages = {
}
def analyze_repositories_workflow(self, org_name, repositories, branch):
packages = {}
for repo_name, git_url in repositories.items():
expected_workflow = "trigger-rebuild-repo-package.yml"
if repo_name == "vyos-build":
expected_workflow = "trigger_rebuild_packages.yml"
url = "https://raw.githubusercontent.com/%s/%s/refs/heads/%s/.github/workflows/%s" % (
org_name, repo_name, branch, expected_workflow
)
try:
response = requests.request("get", url)
response.raise_for_status()
contents = response.text
workflow = yaml.load(contents, Loader=yaml.Loader)
if "jobs" not in workflow:
continue
if "trigger-build" in workflow["jobs"]:
definition = workflow["jobs"]["trigger-build"]["with"]
if "ref_name" not in definition["branch"]:
raise Exception("%s: unknown branch: %s" % (repo_name, definition))
if "PACKAGE_NAME" not in definition["package_name"]:
raise Exception("%s: unknown package_name: %s" % (repo_name, definition))
packages[repo_name] = {
"repo_name": repo_name,
"branch": branch,
"package_name": repo_name,
"build_type": "dpkg-buildpackage",
"path": "",
"change_patterns": ["*"],
"git_url": git_url,
}
if "changes" in workflow["jobs"]:
for item in workflow["jobs"]["changes"]["steps"]:
if "uses" in item and "paths-filter" in item["uses"]:
filters = yaml.load(item["with"]["filters"], Loader=yaml.Loader)
for package_name, patterns in filters.items():
pseudo_repo_name = "%s-%s" % (repo_name, package_name)
packages[pseudo_repo_name] = {
"repo_name": repo_name,
"branch": branch,
"package_name": package_name,
"build_type": "build.py",
"path": "scripts/package-build/%s" % package_name,
"change_patterns": patterns,
"git_url": git_url,
}
except HTTPError as e:
if e.response.status_code == 404:
continue # Repository without defined workflow should be unused/legacy/deprecated
raise
for repo_name in self.additional_packages:
url = "https://api.github.com/repos/%s/%s/branches" % (
org_name, repo_name
)
response = requests.request("get", url)
response.raise_for_status()
payload = response.json()
available_branches = []
for item in payload:
available_branches.append(item["name"])
my_branch = branch
if my_branch not in available_branches:
if "current" in available_branches:
my_branch = "current"
elif "master" in available_branches:
my_branch = "master"
elif "main" in available_branches:
my_branch = "main"
else:
raise Exception("%s: unable to locate current branch: %s" % (repo_name, available_branches))
packages[repo_name] = {
"repo_name": repo_name,
"branch": my_branch,
"package_name": repo_name,
"build_type": "dpkg-buildpackage",
"path": "",
"change_patterns": ["*"],
"git_url": "https://github.com/%s/%s.git" % (org_name, repo_name),
}
return packages
def find_org_repositories(self, name):
return self.find_repositories("org", name)
def find_repositories(self, kind, name):
url = "https://api.github.com/%ss/%s/repos" % (kind, name)
items = self.fetch_all_pages(url)
repositories = {}
for item in items:
repositories[item["name"]] = item["clone_url"]
return repositories
def fetch_all_pages(self, base_url, give_up=1000):
page = 1
items = []
while True:
response = requests.request("get", base_url, params={
"page": page,
"per_page": 50,
})
response.raise_for_status()
payload = response.json()
if len(payload) == 0:
break
items.extend(payload)
if page >= give_up:
raise Exception("%s: something is wrong, reached page %s and no end in sight" % (base_url, page))
page += 1
return items
if __name__ == "__main__":
setup_logging()
try:
refuse_root()
command = sys.argv[1] if len(sys.argv) > 1 else None
if command is None:
print("What do you want?")
elif command == "vyos-repos":
pprint(GitHub().find_org_repositories("vyos"))
elif command == "vyos-analyze":
branch = sys.argv[2] if len(sys.argv) > 2 else None
if branch is None:
print("ERROR: missing branch, provide branch as second argument", file=sys.stderr)
exit(1)
github = GitHub()
project_dir = os.path.realpath(os.path.dirname(__file__))
cache = Cache(os.path.join(project_dir, "build", "github-vyos-cache.json"), dict, {})
repositories = cache.callback("repos", callback=lambda: github.find_org_repositories("vyos"))
pprint(github.analyze_repositories_workflow("vyos", repositories, "circinus"))
else:
print("ERROR: unknown command: %s" % command, file=sys.stderr)
exit(1)
except KeyboardInterrupt:
exit(1)
except Exception as e:
logging.exception(e)
exit(1)
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