So Simple ha :) Thanks Matt!
On Monday, December 16, 2013 8:27:36 PM UTC-7, Matt Martz wrote:
>
> There’s no need to use regex if you know you always only need to remove
> the last 3 characters. For this you can using slice notation:
>
> group: '{{ item.vm_name[:-3] }}'
> --
> Matt Martz
> [email protected] <javascript:>
>
> On December 16, 2013 at 7:50:24 PM, Danny Beutler
> ([email protected]<javascript:>)
> wrote:
>
> 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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