openstack-lab/heat_templates/compute_node.yaml

heat_template_version: 2013-05-23

description: >
  HOT template to deploy one compute node into an xisting neutron tenant network and
  assign floating IP address to the server so they are routable from the
  public network.

parameters:
  key_name:
    type: string
    description: Name of keypair to assign to servers
  image:
    type: string
    description: Name of image to use for servers
  flavor:
    type: string
    description: Flavor to use for servers
  public_net_id:
    type: string
    description: >
      ID of public network for which floating IP addresses will be allocated
  private_net_id:
    type: string
    description: ID of private network into which servers get deployed
  private_subnet_id:
    type: string
    description: ID of private sub network into which servers get deployed
  master_node_ip:
    type: string
    description: IP address of the Master node.
  #index_name:
  #  type: string
  #  description: IP address of the Master node.

resources:

  node_wait_handle:
    type: "AWS::CloudFormation::WaitConditionHandle"

  node_wait_condition:
    type: "AWS::CloudFormation::WaitCondition"
    depends_on:
      - compute_node
    properties:
      Handle:
        get_resource: node_wait_handle
      Timeout: "300"

  secgroup_all_open:
    type: "OS::Neutron::SecurityGroup"
    properties:
      rules:
        - protocol: icmp
        - protocol: tcp
        - protocol: udp

  compute_node:
    type: OS::Nova::Server
    properties:
      name: compute
      image: { get_param: image }
      flavor: { get_param: flavor }
      key_name: { get_param: key_name }
      networks:
        - port: { get_resource: compute_port }
      user_data_format: RAW
      user_data:
        str_replace:
          template: |
            #!/bin/sh

            cat > /etc/yum.repos.d/epel-7.repo << EOF
            [epel-7]
            name=epel-7
            baseurl=http://192.168.33.200/install/post/otherpkgs/el7/epel
            enabled=1
            gpgcheck=0
            EOF

            cat > /etc/yum.repos.d/rdo-openstack.repo << EOF
            [rdo-openstack]
            name=rdo-openstack
            baseurl=http://192.168.33.200/install/post/otherpkgs/el7/rdo-openstack
            enabled=1
            gpgcheck=0
            EOF

            yum -y remove NetworkManager
            chkconfig network on

            yum -y install heat-cfntools

            myip=$(ip addr show eth0 | awk '$1 == "inet" {print $2}' | cut -f1 -d/)
            myip_last_octet=${myip##*.}

            cfn-signal -e0 --data 'OK' -r 'Setup complete' '$WAIT_HANDLE'
          params:
            "$MASTER_NODE_IP":
              get_param: master_node_ip
            "$WAIT_HANDLE":
              get_resource: node_wait_handle
      networks:
        - port:
            get_resource: compute_node_eth0

  compute_node_eth0:
    type: OS::Neutron::Port
    properties:
      network_id: { get_param: private_net_id }
      fixed_ips:
        - subnet_id: { get_param: private_subnet_id }
      security_groups: [{ get_resource: secgroup_all_open }]

  compute_floating_ip:
    type: OS::Neutron::FloatingIP
    properties:
      floating_network_id: { get_param: public_net_id }
      port_id: { get_resource: compute_node_eth0 }

  compute_security_group:
    type: OS::Neutron::SecurityGroup
    properties:
      description: Add security group rules for server
      name: security-group
      rules:
        - remote_ip_prefix: 0.0.0.0/0
          protocol: tcp
          port_range_min: 22
          port_range_max: 22
        - remote_ip_prefix: 0.0.0.0/0
          protocol: icmp

outputs:
  compute_node_ip:
    description: IP address of compute node in private network
    value: { get_attr: [ compute_node_eth0, fixed_ips, 0, ip_address ] }
  compute_node_external_ip:
    description: Floating IP address of compute node in public network
    value: { get_attr: [ compute_floating_ip, floating_ip_address ] }