Hello,
I am trying to configure a playbook for setting up nodes in an open stack
cluster. As part of the openstack cluster, you can pass a "group" variable
which will put nodes in the group on different compute nodes. We already
have a naming convention that allows us to do this fairly easily.
For example, our database servers are named loc-env-ssdb-01,
loc-env-ssdb-02, loc-env-ssdb-03, etc.
Since we want all the db servers on different compute nodes, we should just
be able to pass the node name, trimmed of the last three characters, into
the group value. This would keep the vms on different hosts. However, I
can't find a great way to do this in the YAML file.
Here is what I have so far:
nova_compute:
state: present
login_username: '{{ tenant_username }}'
login_password: '{{ tenant_password }}'
login_tenant_name: '{{ tenant_env }}'
auth_url: '{{ auth_url }}'
flavor_id: '{{ flavor_id }}'
key_name: '{{ keypair_name }}'
name: '{{ item.vm_name }}'
wait_for: 440
image_id: '{{ image.id }}'
nics:
- net-id: '{{ network_id }}'
userdata: '{{ userdata }}'
meta: #'{{item.meta }}'
group: '{{ item.vm_name }}' # This is where I want a regex or
something to trim the last 3 characters from the vm name and pass that in
as the group.
#role: '{{ item.meta.role }}'
register: vm
with_items: vms
Any help would be appreciated.
Thanks,
Danny
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