from __future__ import (absolute_import, division, print_function) __metaclass__ = type import glob import os import re import yaml from ansible.plugins.lookup import LookupBase from ansible.errors import AnsibleError class LookupModule(LookupBase): def run(self, terms, variables=None, **kwargs): """ This lookup iterates over all roles whose folder name starts with 'docker-' and generates a list of dictionaries (cards). For each role, it: - Extracts the application_id (everything after "docker-") - Reads the title from the role's README.md (the first H1 line) - Retrieves the description from galaxy_info.description in meta/main.yml - Retrieves the icon class from galaxy_info.logo.class - Builds the URL using the 'domains' variable (e.g. domains[application_id]) - Sets the iframe flag from applications[application_id].landingpage_iframe_enabled Only cards whose application_id is included in the variable group_names are returned. """ # Default to "roles" if no directory is provided roles_dir = terms[0] if len(terms) > 0 else "roles" cards = [] # Get group_names from variables; default to empty list if not set group_names = variables.get("group_names", []) # Pattern to match roles starting with "docker-" pattern = os.path.join(roles_dir, "docker-*") for role_path in glob.glob(pattern): role_dir = role_path.rstrip("/") role_basename = os.path.basename(role_dir) if not role_basename.startswith("docker-"): continue # The application_id is the substring after "docker-" application_id = role_basename[len("docker-"):] # Only add card if the application_id is in group_names if application_id not in group_names: continue # Define paths for the README.md and meta/main.yml readme_path = os.path.join(role_dir, "README.md") meta_path = os.path.join(role_dir, "meta", "main.yml") if not os.path.exists(readme_path) or not os.path.exists(meta_path): continue try: with open(readme_path, "r", encoding="utf-8") as f: readme_content = f.read() # Extract the first H1 line (title) via regex title_match = re.search(r'^#\s+(.*)$', readme_content, re.MULTILINE) title = title_match.group(1).strip() if title_match else application_id except Exception as e: raise AnsibleError("Error reading '{}': {}".format(readme_path, str(e))) try: with open(meta_path, "r", encoding="utf-8") as f: meta_data = yaml.safe_load(f) galaxy_info = meta_data.get("galaxy_info", {}) description = galaxy_info.get("description", "") logo = galaxy_info.get("logo", {}) icon_class = logo.get("class", "fa-solid fa-cube") except Exception as e: raise AnsibleError("Error reading '{}': {}".format(meta_path, str(e))) # Retrieve variables for domain and application settings. domains = variables.get("domains", {}) applications = variables.get("applications", {}) domain_url = domains.get(application_id, "") url = "https://" + domain_url if domain_url else "" app_data = applications.get(application_id, {}) iframe = app_data.get("landingpage_iframe_enabled", False) card = { "icon": {"class": icon_class}, "title": title, "text": description, "url": url, "link_text": "Discover {} Now!".format(title), "iframe": iframe, } cards.append(card) return [cards]