compute1.yml

---
 - name: "nova compute node playbook"   
   hosts: compute
   remote_user: root
   gather_facts: yes
   
   tasks: 
     - name: "Install kvm hypervisor"
       yum: name={{ item }} state=present
       with_items: 
         - qemu-kvm
         - libvirt
         - virt-install
         - bridge-utils
         - network-manager-applet.x86_64

     - name: "start and enable libvirtd"
       service: name=libvirtd state=started enabled=yes

     - name: "Install epelrepo"
       yum: name=epel-release state=present 
 
     - name: "Install openstack-ocata repo"
       yum: name=centos-release-openstack-ocata state=present
     - lineinfile: path=/etc/yum.repos.d/CentOS-OpenStack-ocata.repo regexp='^enabled=1' line='enabled=0'
    

     - name: "Install Openstack nova compute package"
       yum: name=openstack-nova-compute enablerepo=centos-openstack-ocata,epel state=present
       
     - name: "Backup Original nova configuation"
       copy: remote_src=True src=/etc/nova/nova.conf dest=/etc/nova/nova.conf.org

     - name: "copy nova configuation"
       copy: src=nova-compute.conf dest=/etc/nova/nova.conf mode=640 owner=root group=nova

     - name: "replace ansible_host in nova conf"
       replace: dest=/etc/nova/nova.conf regexp='10.0.0.30' replace={{ ansible_host }} backup=yes

 
     - name: "Reboot"
       command: /sbin/shutdown -r +1
       async: 0
       poll: 0
       ignore_errors: true
     - name: Waiting for shutdown
       local_action: wait_for host={{ ansible_host }} port=22 state=stopped
     - name: Waiting for restart
       local_action: wait_for host={{ ansible_host }} port=22 state=started

 
     - name: "start and enble nova compute service"
       service: name=openstack-nova-compute state=started enabled=yes
       
  
     - name: "discover compute node"
       shell: nova-manage cell_v2 discover_hosts
       become: true
       become_method: su
       become_user: nova
       become_flags: '-s /bin/bash'
     
     - name: "compute service list"
       shell: source ~/keystonerc && openstack compute service list
       register: compute
     - debug: var=compute