ResourceState describes the state the resource. A normal lifecycle of a new resource being created would be: PENDING -> PROVISIONING -> RUNNING. A normal lifecycle of an existing resource being deleted would be: RUNNING -> DELETING. Any failures during processing will result the resource to be in a SUSPENDED state.

STATE_UNKNOWN Unspecified state.
STATE_PENDING The resource is being prepared to be applied to the rack.
STATE_PROVISIONING The resource has started being applied to the rack.
STATE_RUNNING The resource has been pushed to the rack.
STATE_SUSPENDED The resource failed to push to the rack.
STATE_DELETING The resource is under deletion.