Add an option for running Quay without running database migrations (#312)

conf/init/data_migration.py

@@ -1,8 +1,13 @@
+import os
+
 from app import app
 from active_migration import ActiveDataMigration
 
 
 def current_migration():
+    if os.getenv("ENSURE_NO_MIGRATION", "").lower() == "true":
+        raise Exception("Cannot call migration when ENSURE_NO_MIGRATION is true")
+
     if not app.config.get("SETUP_COMPLETE", False):
         return "head"
     else:

quay-entrypoint.sh

@@ -71,6 +71,16 @@ case "$QUAYENTRY" in
         echo "Entering repository mirroring mode"
         export QUAY_SERVICES="${QUAY_SERVICES}${QUAY_SERVICES:+,}repomirrorworker,pushgateway"
         ;&
+    "registry-nomigrate")
+        echo "Running all default registry services without migration"
+        for f in "${QUAYCONF}"/init/*.sh; do
+            if [ "$f" != "/quay-registry/conf/init/runmigration.sh" ]; then
+                echo "Running init script '$f'"
+                ENSURE_NO_MIGRATION=true "$f" || exit
+            fi
+        done
+        exec supervisord -c "${QUAYCONF}/supervisord.conf" 2>&1
+        ;;
     "registry")
         if [ -z "${QUAY_SERVICES}" ]; then
             echo "Running all default registry services"