feat-reorder commands

Closes #19

See merge request rc/terraform-openstack!42

Avoid vol detach while the server is still powering off

refactor steps before vol snapshot

Closes #17

See merge request rc/terraform-openstack!41

Update prod pipeline

See merge request rc/terraform-openstack!35

This is done so we can directly use it to instantiate a server with volume copy.
Removed code that becomes obsolete when this approach of creating a server with
volume copy is implemented.

Remove code that destroys TF resources after failure

See merge request rc/terraform-openstack!39

TF apply failure leads to pipeline exiting so TF destroy doesn't run

fix regex to capture latest image to be used

See merge request rc/terraform-openstack!38

Workaround the issue of having duplicate names for snapshot failing the TF deploy pipelines

See merge request rc/terraform-openstack!36

Changed the mount points for ${module.create-ohpc-instance.device[0]} and ${module.create-ohpc-instance.device[1]} in the provisioning script. Updated from

Attach production queue volume (xdmod-prod-queue-vol-$BUILD_DATE) to staging instance $instance_id at /dev/vdc.