import subprocess import sys import argparse import time class Chart(object): def __setattr__(self, name, value): if name == 'status': value = value.casefold() if 'update_available' in name: value = True if value.casefold() == "true" else False super(Chart, self).__setattr__(name, value) def new_attr(self, attr): setattr(self, attr, attr) INSTALLED_CHARTS = [] def parse_headers(charts: str): for line in charts.split("\n"): if line.startswith("+-"): continue if "name" in line.casefold(): return [col.strip() for col in line.casefold().strip().split("|") if col and col != ""] def parse_charts(charts: str): headers = parse_headers(charts) table_data = charts.split("\n")[3:-2:] # Skip the header part of the table for row in table_data: row = [section.strip() for section in row.split("|") if section and section != ""] chart = Chart() for item in zip(headers, row): setattr(chart, item[0], item[1]) INSTALLED_CHARTS.append(chart) def check_semver(current: str, latest: str): split_current_semver = current.split(".", 3) split_latest_semver = latest.split(".", 3) if split_current_semver[0] != split_latest_semver[0]: type="major" if VERSIONING == "major": return True if split_current_semver[1] != split_latest_semver[1]: type="minor" if VERSIONING != "patch": return True if split_current_semver[2] != split_latest_semver[2]: type="patch" return True return False def execute_upgrades(): if CATALOG == "ALL": filtered = filter(lambda a: a.update_available and a.status == "active", INSTALLED_CHARTS) else: filtered = filter(lambda a: a.update_available and a.status == "active" and a.catalog == CATALOG, INSTALLED_CHARTS) for chart in filtered: pre_update_ver = chart.human_version post_update_ver = chart.human_latest_version split_current_version = chart.human_version.split("_", 1) current_version = split_current_version[1] split_latest = chart.human_latest_version.split("_", 1) latest_version = split_latest[1] if check_semver(current_version, latest_version): print(f"Updating {chart.name}... \n") pre_update_ver = chart.human_version result = subprocess.run(['cli', '-c', f'app chart_release upgrade release_name="{chart.name}"'], capture_output=True) post_update_ver = chart.human_latest_version if "Upgrade complete" not in result.stdout.decode('utf-8'): print(f"{chart.name} failed to upgrade. \n{result.stdout.decode('utf-8')}") else: print(f"{chart.name} upgraded ({pre_update_ver} --> {post_update_ver})") def fetch_charts(): rawcharts = subprocess.run(["cli", "-c", "app chart_release query"], stdout=subprocess.PIPE) charts = rawcharts.stdout.decode('utf-8') return(charts) def process_args(): global CATALOG global SEMVER global SYNC global PRUNE parser = argparse.ArgumentParser(description='Update TrueNAS SCALE Apps') parser.add_argument('--catalog', nargs='?', default='ALL', help='name of the catalog you want to process in caps. Or "ALL" to render all catalogs.') parser.add_argument('--versioning', nargs='?', default='minor', help='Name of the versioning scheme you want to update. Options: major, minor or patch. Defaults to minor') parser.add_argument('-s', '--sync', action="store_true", help='sync catalogs before trying to update') parser.add_argument('-p', '--prune', action="store_true", help='prune old docker images after update') args = parser.parse_args() CATALOG = args.catalog VERSIONING = args.versioning if args.sync: SYNC = True else: SYNC = False if args.prune: PRUNE = True else: PRUNE = False def sync_catalog(): if SYNC: print("Syncing Catalogs...\n") process = subprocess.Popen(["cli", "-c", "app catalog sync_all"], stdout=subprocess.PIPE) while process.poll() is None: lines = process.stdout.readline() print (lines) print (process.stdout.read()) def docker_prune(): if PRUNE: print("Pruning old docker images...\n") process = subprocess.Popen(["docker", "image ", "prune", "-a", "-f"], stdout=subprocess.PIPE) while process.poll() is None: lines = process.stdout.readline() print (lines) print (process.stdout.read()) def run(): process_args() print("Starting TrueCharts App updater...\n") sync_catalog() charts = fetch_charts() parse_charts(charts) print("Executing Updates...\n") execute_upgrades() print("Updating Finished\n") docker_prune() exit(0) if __name__ == '__main__': run()