VMware dvs portgroup

[Barry Obie]

Hi. I'm trying to use the VMware module to configure my vCenters. 

I have over 100 vlans and roughly 30 dv switches that I'm trying to configure. The dvs switches could have any combination of the vlans. I could do something like

- vlanid: vlan1
   vlan: 1
   dvs: DSwitch1
   numports: 128
 - vlanid: vlan2
   vlan: 2
   dvs: DSwitch1
   numports: 128


 - vlanid: vlan1
   vlan: 1
   dvs: DSwitch2
   numports: 128
 - vlanid: vlan2
   vlan: 2
   dvs: DSwitch2
   numports: 128

But then I end up having a ridiculous list that has stuff duplicated all over the place.

Is there a way to do something like:

  - vlanid: vlan1
    vlan: 1
    dvs:
        - DSwitch1
        - DSwitch2
   numports: 128
 - vlanid: vlan2
   vlan: 2
   dvs:
        -DSwitch2
   numports: 128

Or another way to be able to do that? This is an issue all over my vCenter config playbook, not just vlans. So finding a better way than building a long dictionary would be ideal. I imagine I'd need to change the way the loop works, but I'm not sure what road to go down.

Playbook.yml
   - name: Create DVS portgroup
     vmware_dvs_portgroup:
       hostname: "{{secret.vcenter}}"
       username: "{{secret.vcusername}}"
       password: "{{secret.vcpassword}}"
       validate_certs: no
       portgroup_name: "{{item.vlanid}}"
       vlan_id: "{{item.vlan}}"
       portgroup_type: earlyBinding
       num_ports: "{{item.numports}}"
       state: present
       switch_name: "{{item.dvs}}"
     loop: "{{config.vlans}}"

Thanks!

Barry

[Eino Tuominen]

Hi Barry,

Ansible 2.7 has subelements filter, which makes this rather easy.

Given your second struct:

  vars:
    vmds:

      - vlanid: vlan1
        vlan: 1
        dvs:
        - DSwitch1
        - DSwitch2
        numports: 128
      - vlanid: vlan2
        vlan: 2
        dvs:
        - DSwitch2
        numports: 128

You can loop over the vswitches with the help of the subelements filter:

  - debug:
      var: vlans
    vars:
      vlans: "{{ vmds | subelements('dvs', skip_missing=True) }}"

So, you should be able to create the port groups like this:​

   - name: Create DVS portgroup

     vmware_dvs_portgroup:
       hostname: "{{secret.vcenter}}"
       username: "{{secret.vcusername}}"
       password: "{{secret.vcpassword}}"
       validate_certs: no

       portgroup_name: "{{ item.0.vlanid }}"
       vlan_id: "{{item.0.vlan}}"
       portgroup_type: earlyBinding
       num_ports: "{{item.0.numports}}"
       state: present
       switch_name: "{{item.1}}"
    loop: "{{ vmds | subelements('dvs', skip_missing=True) }}"

-- 

  Eino Tuominen

---

From: Barry Obie <barry...@gmail.com>
Sent: Friday, November 9, 2018 18:23
To: Ansible Project
Subject: [ansible-project] VMware dvs portgroup

 

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