issue with script module in ansible 2.8

[Sandeep Sridhar]

I have a shell script that is designed to run "virsh domifaddr <domain name> | grep ipv4 | awk '{print $4}'" on the remote host. From my ansible controller, the playbook calls this piece:

• name: Find out the IP address of ucloud_vm_name
  script: /root/mltr_source_code/compute_ucloud_vm_ip.sh {{ ucloud_vm_name }}

The actual shell script is as follows:

ucloud_vm_name=$1
ucloud_vm_status=`virsh list --all | grep $ucloud_vm_name | awk '{print $3}'`
ucloud_vm_ip_file=/root/$ucloud_vm_name.ip
echo "ucloud_vm_status=$ucloud_vm_status"
if [ "$ucloud_vm_status" = "running" ]
then
   ucloud_vm_ip=`virsh domifaddr mini | grep ipv4 | awk '{print $4}'`
   if [ -f /root/$ucloud_vm_name.ip ]
   then
     rm -rf /root/$ucloud_vm_name.ip
   fi
   echo $ucloud_vm_ip > /root/$ucloud_vm_name.ip
elif [ "$ucloud_vm_status" = "shut off" ]
then
   echo "undercloud_vm is shut off"
else
   # do nothing
   echo "Have a beer"
fi

playbook runs fine without any errors. However, the IP address is never computed and written onto /root/$ucloud_vm_name.ip. The file content is empty after running the playbook.

Interestingly, if I execute the above shell script manually on the remote host, it just runs fine. Only if I execute from the ansible controller through script module, the content of /root/$ucloud_vm_name.ip is empty always.

Can you please help me with what is going wrong?

-Sandeep.

[Abhijeet Kasurde]

Hi Sandeep,

Could you please provide -vvvv log for your playbook run ? Without that information it is very difficult to know what is wrong. I would recommend you to add more debugging statements in shell script before running via Ansible. btw, I see domain name hardcoded at "domifaddr" line (is that expected ?).

Thanks,

[Abhijeet Kasurde]

Hi Sandeep,

Did you get it working ?

[Sandeep Sridhar]

Hi Abhijeet, 

Sorry for the delayed response. We can close this thread. 

It was not working because, I wasn’t waiting enough for the VM to render an IP address when “virsh domifaddr” was executed. 

I just added a sleep 60 in the beginning of the shell script and things went fine after that. 

Thank you for your help on this. Really appreciate it. 

Greetings,

Sandeep.

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