computer-playbook/cli/generate_applications.py

95 lines
3.0 KiB
Python

#!/usr/bin/env python3
import argparse
import os
import yaml
import sys
from pathlib import Path
def load_yaml_file(path):
"""Load a YAML file if it exists, otherwise return an empty dict."""
if not path.exists():
return {}
with path.open("r", encoding="utf-8") as f:
return yaml.safe_load(f) or {}
def main():
parser = argparse.ArgumentParser(
description="Generate defaults_applications YAML from docker roles and include users meta data for each role."
)
parser.add_argument(
"--roles-dir",
help="Path to the roles directory (default: roles)"
)
parser.add_argument(
"--output-file",
help="Path to output YAML file"
)
args = parser.parse_args()
cwd = Path.cwd()
roles_dir = (cwd / args.roles_dir).resolve()
output_file = (cwd / args.output_file).resolve()
# Ensure output directory exists
output_file.parent.mkdir(parents=True, exist_ok=True)
# Initialize result structure
result = {"defaults_applications": {}}
# Process each role for application configs
for role_dir in sorted(roles_dir.iterdir()):
role_name = role_dir.name
vars_main = role_dir / "vars" / "main.yml"
config_file = role_dir / "vars" / "configuration.yml"
if not vars_main.exists():
print(f"[!] Skipping {role_name}: vars/main.yml missing")
continue
vars_data = load_yaml_file(vars_main)
try:
application_id = vars_data.get("application_id")
except Exception as e:
print(
f"Warning: failed to read application_id from {vars_main}\nException: {e}",
file=sys.stderr
)
sys.exit(1)
if not application_id:
print(f"[!] Skipping {role_name}: application_id not defined in vars/main.yml")
continue
if not config_file.exists():
print(f"[!] Skipping {role_name}: vars/configuration.yml missing")
continue
config_data = load_yaml_file(config_file)
if config_data:
result["defaults_applications"][application_id] = config_data
users_meta_file = role_dir / "meta" / "users.yml"
transformed_users = {}
if users_meta_file.exists():
users_meta = load_yaml_file(users_meta_file)
users_data = users_meta.get("users", {})
for user, role_user_attrs in users_data.items():
transformed_users[user] = f"{{{{ users[\"{user}\"] }}}}"
# Attach transformed users under each application
if transformed_users:
result["defaults_applications"][application_id]["users"] = transformed_users
# Write out result YAML
with output_file.open("w", encoding="utf-8") as f:
yaml.dump(result, f, sort_keys=False)
try:
print(f"✅ Generated: {output_file.relative_to(cwd)}")
except ValueError:
print(f"✅ Generated: {output_file}")
if __name__ == "__main__":
main()