chore: rework post-start

Author: nouseforaname

jobs/pxc-replicator/templates/bin/post-start

@@ -5,12 +5,25 @@
 #it's a bash feature.
 #https://www.gnu.org/software/bash/manual/html_node/Bash-Variables.html#index-SECONDS
 SECONDS=0
+PATH="${PATH}:/var/vcap/packages/percona-xtradb-cluster-<%= p('mysql_version') -%>/bin"
 
-while [[ $SECONDS -lt <%= p('monit_startup_timeout') %> ]]; do
+log "starting post-start, checking replication"
+while [[ $SECONDS -lt 300 ]]; do
+  if mysql --defaults-file=/var/vcap/jobs/pxc-mysql/config/mylogin.cnf <<< "SHOW REPLICA STATUS\G" | grep 'Replica_IO_Running: Yes'; then
+    log "IO thread is running"
+  else
+    log "IO thread is running"
+    continue
+  fi
+
+  if mysql --defaults-file=/var/vcap/jobs/pxc-mysql/config/mylogin.cnf <<< "SHOW REPLICA STATUS\G" | grep 'Replica_SQL_Running: Yes'; then
+    log "SQL thread is running"
+    exit 0
+  else
+    log "SQL thread not running" && continue
+    continue
+  fi
   sleep 5
-  mysql --defaults-file=/var/vcap/jobs/pxc-mysql/config/mylogin.cnf <<< "SHOW REPLICA STATUS\G" | grep 'Replica_IO_Running: Yes'  || continue
-  mysql --defaults-file=/var/vcap/jobs/pxc-mysql/config/mylogin.cnf <<< "SHOW REPLICA STATUS\G" | grep 'Replica_SQL_Running: Yes' || continue
-  break
 done
 
 log "timed out waiting for replication to report healthy"