bundles/postgresql: add pg_query_mon

bundles/postgresql/metadata.py

@@ -7,6 +7,9 @@ defaults = {
             '/var/tmp/postgresdumps',
         },
     },
+    'bash_functions': {
+        'pg_query_mon': "watch -n 2 \"echo \\\"SELECT pid, age(clock_timestamp(), query_start), usename, query FROM pg_stat_activity WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' ORDER BY query_start desc;\\\" | psql postgres\""
+    },
     'icinga2_api': {
         'postgresql': {
             'services': {