Update cluster/module_domains and raise module-domain-changed event

core/imageroot/var/lib/nethserver/cluster/actions/remove-internal-domain/50remove_domain

@@ -69,4 +69,35 @@ with agent.redis_connect(privileged=True) as rdb:
     rdb.delete(f"cluster/counters_cache/users/{kdom}", f"cluster/counters_cache/groups/{kdom}")
 
 # TODO: remove HASH items matching kdom from cluster/module_domains
-# TODO: raise module-domain-changed for matching modules and domain
+with agent.redis_connect(privileged=True) as rdb:
+    # Iterate over the hash and find the matching value, remove the key from the hash or update the value to '' if no more domains
+    for key, value in rdb.hscan_iter("cluster/module_domains"):
+        print(f"Checking {key} {value}", file=sys.stderr)
+        values = value.split()
+        if kdom in values:
+            values.remove(kdom)
+            new_value = ' '.join(values)
+            # we could remove the key if no more domains are left, but we need to keep the key to raise the event
+            # what to do @davidep ?
+            #if new_value == '':
+            #    # no more domains, remove the key
+            #    print(f"Removing {key} from cluster/module_domains", file=sys.stderr)
+            #    rdb.hdel("cluster/module_domains", key)
+            #else:
+            #    # update the value with the new list of domains
+            #    print(f"Updating {key} to {new_value} in cluster/module_domains", file=sys.stderr)
+            #    rdb.hset("cluster/module_domains", key, new_value)
+            if new_value == None:
+                new_value = ''
+            print(f"Updating {key} to {new_value} in cluster/module_domains", file=sys.stderr)
+            rdb.hset("cluster/module_domains", key, new_value)
+
+            # TODO: raise module-domain-changed for matching modules and domains
+            agent_id = os.environ['AGENT_ID']
+            values = {"modules": key, "domains": new_value}
+            trx = rdb.pipeline()
+            trx.hset(agent_id + '/module-domain-changed', mapping=values)
+            trx.publish(agent_id + '/event/module-domain-changed', json.dumps({
+                'key': agent_id + '/event/module-domain-changed',
+            }))
+            trx.execute()