Support logging in via Skopeo

See coop-cloud/auto-apps-json#1.

bin/app-json.py

@@ -8,7 +8,7 @@
 
 import argparse
 from json import dump
-from os import chdir, getcwd, listdir
+from os import chdir, environ, getcwd, listdir
 from os.path import basename
 from pathlib import Path
 from re import findall, search
@@ -31,6 +31,21 @@ parser = argparse.ArgumentParser(description="Generate a new apps.json")
 parser.add_argument("--output", type=Path, default=f"{getcwd()}/apps.json")
 
 
+def skopeo_login():
+    """Log into the docker registry to avoid rate limits."""
+    user = environ.get("SKOPEO_USER")
+    password = environ.get("SKOPEO_PASSWORD")
+    registry = environ.get("SKOPEO_REGISTRY", "docker.io")
+
+    if not user or not password:
+        log.info("Failed to log in via Skopeo due to missing env vars")
+        return
+
+    login_cmd = f"skopeo login {registry} -u {user} -p {password}"
+    output = _run_cmd(login_cmd, shell=True)
+    log.info(f"Skopeo login attempt: {output}")
+
+
 def get_published_apps_json():
     """Retrieve already published apps json."""
     url = "https://apps.coopcloud.tech"
@@ -202,6 +217,8 @@ def main():
     """Run the script."""
     args = parser.parse_args()
 
+    skopeo_login()
+
     repos_json = get_repos_json()
     clone_all_apps(repos_json)