/requirements_from_git.py Secret
Last active
July 28, 2016 15:47
Generate a requirements.yml from a role's meta for OSA
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import io | |
import subprocess | |
import os | |
import yaml | |
filename = 'openstack-ansible/ansible-role-requirements.yml' | |
DEVNULL = open(os.devnull, 'w') | |
# load the yaml file | |
with io.open(filename, 'rb') as f: | |
roles = yaml.load(f) | |
role_names = [] | |
role_dict = {} | |
formatted_dict = {} | |
# convert the list of dicts to a more useful pattern. | |
for role in roles: | |
role_name = role['name'] | |
role_names.append(role_name) | |
role_scm = role.get('scm') | |
if role_scm == 'git' and 'openstack-ansible' in role.get('src'): | |
role_dict[role_name] = role['src'] | |
role_dict[role_name + "__version"] = role['version'] | |
else: | |
print("role %s will not be cloned" % role['name']) | |
formatted_string = '''- name: %s\n''' % role_name | |
fields = ['scm', 'src', 'version'] | |
for field in fields: | |
if role.get(field): | |
formatted_string += ''' %s: %s\n''' % (field, role[field]) | |
formatted_dict[role_name] = formatted_string | |
for role in role_names: | |
if role_dict.get(role): | |
# clone or update the roles, and checkout the version | |
# specified by the master role requirements | |
if not os.path.exists(role): | |
subprocess.check_call(["git", "clone", role_dict[ | |
role], role], stdout=DEVNULL, stderr=subprocess.STDOUT) | |
os.chdir(role) | |
else: | |
os.chdir(role) | |
subprocess.check_call( | |
["git", "checkout", "master"], stdout=DEVNULL, stderr=subprocess.STDOUT) | |
subprocess.check_call( | |
["git", "pull"], stdout=DEVNULL, stderr=subprocess.STDOUT) | |
subprocess.check_call(["git", "checkout", role_dict[ | |
role + "__version"]], stdout=DEVNULL, stderr=subprocess.STDOUT) | |
os.chdir('..') | |
requirements_list = [] | |
output_yaml = '---\n' | |
# Try to read the dependencies from the role's meta/main.yml | |
try: | |
with io.open(os.path.join(role, "meta", "main.yml")) as f: | |
y = yaml.load(f) | |
for dep in y['dependencies']: | |
try: | |
dep = dep['role'] | |
except: | |
pass | |
if dep in role_names: | |
requirements_list.append(dep) | |
else: | |
print("Unknown dependency found!: %s" % dep) | |
except: | |
print("Error getting role dependencies for: %s" % role) | |
requirements_list.sort() | |
for r in requirements_list: | |
output_yaml += formatted_dict[r] | |
try: | |
with io.open(os.path.join(role, 'requirements.yml'), 'wb') as f: | |
f.write(output_yaml) | |
f.truncate() | |
print("Successfully wrote: %s" % | |
os.path.join(role, 'requirements.yml')) | |
except: | |
print("Error writing requirements.yml for %s" % role) | |
DEVNULL.close() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment