migrator.yml

- name: Mount vmware_migration volume
  hosts: rhvhost
  become: true
  gather_facts: false

  tasks:
    - name: Create a directory for the vmware_migration volume
      ansible.builtin.file:
        path: /mnt/vmware_migration
        state: directory
        mode: '0755'

    - name: Mount vmware_migration volume locally to RHV host
      mount:
        src: "{{ nfs_mount_path }}"
        path: /mnt/vmware_migration
        boot: no
        state: mounted
        fstype: nfs
        opts: vers=3

    - name: Collect common data from RHV
      block:
        - name: Obtain SSO token with using username/password credentials
          ovirt_auth:
            url: "{{ rhv_endpoint }}"
            username: "{{ rhv_username }}@{{ rhv_domain }}"
            password: "{{ rhv_password }}"
            insecure: true
          delegate_to: localhost

        - ovirt.ovirt.ovirt_vnic_profile_info:
            auth: "{{ ovirt_auth }}"
          register: rhv_vnic_profiles
          delegate_to: localhost
        - set_fact: rhv_vnic_profiles="{{ rhv_vnic_profiles }}"

      always:
        - name: Always revoke the SSO token
          ovirt_auth:
            state: absent
            ovirt_auth: "{{ ovirt_auth }}"
          delegate_to: localhost

- name: Ensure source VM has vmware-tools installed
  hosts: vmsToMigrate
  become: true
  gather_facts: false

  tasks:
    - name: Install open-vm-tools on source VM
      ansible.builtin.yum:
        name: open-vm-tools
        state: latest

## These are a few ugly shell commands, I'd like to move these to a more proper ansible fashion
## For this shell command specifically, I can't use copy due to the env vars, afaik. Could probably
## pull that from the facts??
    - name: Backup existing initramfs
      ansible.builtin.shell: cp /boot/initramfs-$(uname -r).img /boot/initramfs-$(uname -r).img-old

    - name: Reconfigure initramfs to support VMWare Paravirtual + LSILogic controllers
      ansible.builtin.shell: dracut  -f -v --add-drivers "mptspi scsi_transport_spi mptsas mptscsih mptbase scsi_transport_sas vmw_pvscsi" /boot/initramfs-$(uname -r).img $(uname -r)

## Not gonna lie, this is pretty jank/lazy. On every attempt, the source VMs main interface was eth0,
## and the target ended up having ens192. Sooooo, we just copy the config, and change the target
## interface name. This only sets up the first NIC, additional NICs will need someone to manually
## perform that process.
    - name: Copy existing network configuration
      ansible.builtin.copy:
        remote_src: yes
        src: /etc/sysconfig/network-scripts/ifcfg-eth0
        dest: /etc/sysconfig/network-scripts/ifcfg-ens192

## inb4 Bitt roasts me for not using an actual RegEx here
    - name: Update network adapter name in new configuration
      ansible.builtin.replace:
        path: /etc/sysconfig/network-scripts/ifcfg-ens192
        regexp: eth0
        replace: ens192

- name: Build skeleton VM on vSphere
  hosts: vmsToMigrate
  gather_facts: false
  connection: local

  tasks:
    - name: Collect VM specifications from RHV
      block:
        - name: Obtain SSO token with using username/password credentials
          ovirt_auth:
            url: "{{ rhv_endpoint }}"
            username: "{{ rhv_username }}@{{ rhv_domain }}"
            password: "{{ rhv_password }}"
            insecure: true

        - ovirt.ovirt.ovirt_vm_info:
            auth: "{{ ovirt_auth }}"
            pattern: "{{ inventory_hostname }}"
            next_run: true
          register: rhv_vm
        - set_fact: vm_name="{{rhv_vm.ovirt_vms[0].name}}"

        - ovirt.ovirt.ovirt_nic_info:
            auth: "{{ ovirt_auth }}"
            vm: "{{ rhv_vm.ovirt_vms[0].name }}"
            name: "*"
            fetch_nested: yes
            nested_attributes:
              - vnic_profiles
          register: rhv_vm_nics

        - ovirt.ovirt.ovirt_disk_info:
            auth: "{{ ovirt_auth }}"
            pattern: "{{ rhv_vm.ovirt_vms[0].name }}"
          register: rhv_vm_disks
        - set_fact: rhv_vm_disk_info="{{rhv_vm_disks.ovirt_disks}}"

## All this, just to get the datacenter ID, which should've just been included in the VM response
        - ovirt.ovirt.ovirt_cluster_info:
            auth: "{{ ovirt_auth }}"
          register: rhv_clusters
        - set_fact: rhv_vm_datacenter_id="{{item.data_center.id}}"
          loop: "{{ rhv_clusters.ovirt_clusters }}"
          loop_control:
            label: "{{item.name}}"
          when: item.id == rhv_vm.ovirt_vms[0].cluster.id

      always:
        - name: Always revoke the SSO token
          ovirt_auth:
            state: absent
            ovirt_auth: "{{ ovirt_auth }}"

    - name: Create target VM in vCenter
      community.vmware.vmware_guest:
        hostname: "{{ vcenter_endpoint }}"
        username: "{{ vcenter_username }}"
        password: "{{ vcenter_password }}"
        validate_certs: false
        folder: /Migrated Virtual Machines
        datastore: "{{ vcenter_datastore }}"
        datacenter: "{{ vcenter_datacenter }}"
        cluster: "{{ vcenter_cluster }}"
        name: "{{ rhv_vm.ovirt_vms[0].name }}"
        guest_id: centos64Guest
        hardware:
          boot_firmware: bios
          hotadd_cpu: yes
          hotadd_memory: yes
          # yOu HaVe A pRoBlEm WiTh PrEcIsIoN?
          memory_mb: "{{ (rhv_vm.ovirt_vms[0].memory / 1024 / 1024) | int }}"
          num_cpus: "{{ rhv_vm.ovirt_vms[0].cpu.topology.sockets }}"
          scsi: paravirtual
      register: vmware_vm
    - set_fact: vmware_vm_info="{{vmware_vm.instance}}"

    - name: Configure target VM network adapters
      include_tasks: fragments/configure_network_adapters.yml
      loop: "{{ rhv_vm_nics.ovirt_nics }}"
      loop_control:
        label: "{{adapter.name}}"
        index_var: loop_index
        loop_var: adapter

- name: The Main Event
  hosts: vmsToMigrate
  gather_facts: false
  strategy: free

  tasks:
    - name: Start Migration
      block:
      - name: Obtain RHV SSO token with using username/password credentials
        ovirt_auth:
          url: "{{ rhv_endpoint }}"
          username: "{{ rhv_username }}@{{ rhv_domain }}"
          password: "{{ rhv_password }}"
          insecure: true
        delegate_to: localhost

      - name: Stop the source VM
        ovirt.ovirt.ovirt_vm:
          auth: "{{ ovirt_auth }}"
          state: stopped
          name: "{{ vm_name }}"
        delegate_to: localhost

      - name: Convert and Attach disks to target VM
        include_tasks: fragments/convert_and_import_disk.yml
        loop: "{{rhv_vm_disk_info}}"
        loop_control:
          label: "{{item.id}}"
          index_var: loop_index

      - name: Power up the target VM
        community.vmware.vmware_guest:
          hostname: "{{ vcenter_endpoint }}"
          username: "{{ vcenter_username }}"
          password: "{{ vcenter_password }}"
          validate_certs: false
          datacenter: "{{ vcenter_datacenter }}"
          name: "{{ vmware_vm_info.hw_name }}"
          state: poweredon
          wait_for_ip_address: yes
        delegate_to: localhost

      - name: Annotate the source VM
        ovirt.ovirt.ovirt_vm:
          auth: "{{ ovirt_auth }}"
          comment: "Migrated to vSphere"
          name: "{{ vm_name }}"
        delegate_to: localhost
      rescue:
        - name: Start source VM due to migration failure
          ovirt.ovirt.ovirt_vm:
            auth: "{{ ovirt_auth }}"
            state: running
            name: "{{ vm_name }}"
          delegate_to: localhost
        - ansible.builtin.fail:
            msg: "Something went wrong while attempting to migrate {{ vm_name }}, the source VM has been powered back up."
      always:
        - name: Always revoke the RHV SSO token
          ovirt_auth:
            state: absent
            ovirt_auth: "{{ ovirt_auth }}"
          delegate_to: localhost