Check and Restart OnApp Daemon

Question

All transactions are set to pending and nothing runs. How can I check whether the OnApp daemon is running and restart it correctly?

Environment

Any OnApp version

Answer

To check and restart the OnApp daemon:

1. SSH to the Control Panel server. If there are no the backups and transactions when running the command below, it means that the OnApp daemon is not running:

   ps aux | grep onapp

   CODE

2. If the OnApp daemon is not running, stop onapp:

   service onapp stop

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3. CD to the directory below:

   cd /onapp/interface/tmp/pids/

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4. Look for onapp_daemon.rb.pid. If you can see it and the PID # is zero, the daemon is not running. Kill it and restart it:

   rm -rf onapp_daemon.rb.pid

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5. Start onapp:

   service onapp start

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   You should see similar output as in the example below:

   Starting SSH Key Server...
   Agent pid 27822
   Identity added: /onapp/interface/config/keys/private (/onapp/interface/config/keys/private)
   Starting All Runners (Schedules, Transactions, Backups and Hypervisor, Cluster Monitor) ...
   Starting Hypervisor Data Receiver...
   Starting VNC Proxy..

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6. Ls -l the /onapp/interface/tmp/pids/ directory. If the output is the same as below, it means that the deamon is backed up and running correctly:

   ls -l
   total 16
   -rw-r--r-- 1 onapp onapp 0 Feb  6 09:16 0.852188522247947.14689
   -rw-r--r-- 1 onapp onapp 6 Feb  8 11:35 onapp_daemon.rb.pid
   -rw-r--r-- 1 onapp onapp 5 Feb  8 11:35 receiver.pid
   -rw-r--r-- 1 root  root  6 Feb  8 11:35 ssh-agent.pid
   -rw-r--r-- 1 root  root  6 Feb  8 11:35 vnc_proxy.pid

   CODE