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 !38

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

See merge request rc/terraform-openstack!36

Change the volume version to v3 for cinder v3

See merge request rc/terraform-openstack!32

Change build date to iso8601 format

Closes #6

See merge request rc/terraform-openstack!24

Rearranging the order so mounting the vol happens before ansible run

See merge request !26

Move the var flavor to CICD settings

See merge request rc/terraform-openstack!25

Feat prod deploy xdmod

See merge request rc/terraform-openstack!23

Move staging floating ip to CICD variables

See merge request rc/terraform-openstack!22

Adding TARGET_ENV as environments for different jobs

See merge request !21

Adding {} around var name

See merge request rc/terraform-openstack!20

Use image name based on the target env

See merge request !19

Add job for floating ip swap in staging env

See merge request rc/terraform-openstack!18