infra-waku/ansible/versioncheck.py

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2023-10-05 12:08:18 +00:00
#!/usr/bin/env python3
# WARNING: If importing this fails set PYTHONPATH.
import yaml
import ansible
import subprocess
from os import path, environ
from packaging import version
SCRIPT_DIR = path.dirname(path.realpath(__file__))
# Where Ansible looks for installed roles.
ANSIBLE_ROLES_PATH = path.join(environ['HOME'], '.ansible/roles')
class Role:
def __init__(self, name, version):
self.name = name
self.version = version
@property
def path(self):
return path.join(ANSIBLE_ROLES_PATH, self.name)
def exists(self):
return path.isdir(self.path)
def local_version(self):
cmd = subprocess.run(
['git', 'rev-parse', 'HEAD'],
capture_output=True,
cwd=self.path
)
cmd.check_returncode()
return str(cmd.stdout.strip(), 'utf-8')
# Verify Ansible version is 2.8 or newer.
if version.parse(ansible.__version__) < version.parse("2.8"):
print('Your Ansible version is lower than 2.8. Upgrade it.')
exit(1)
# Read Ansible requirements file.
with open(path.join(SCRIPT_DIR, 'requirements.yml'), 'r') as f:
requirements = yaml.load(f, Loader=yaml.FullLoader)
# Check if each Ansible role is installed and has correct version.
errors = 0
for req in requirements:
role = Role(req['name'], req.get('version'))
if not role.exists():
print('%25s - MISSING!' % role.name)
errors += 1
continue
# For now we allow not specifying versions for everyhing.
if role.version is None:
print('%25s - No version!' % role.name)
continue
local_version = role.local_version()
if role.version != local_version:
print('%25s - MISMATCH: %s != %s' %
(role.name, role.version[:8], local_version[:8]))
errors += 1
continue
print('%25s - VALID' % role.name)
# Any issue with any role should cause failure.
if errors > 0:
exit(1)