---
heat_template_version: 2016-04-08

parameters:
    job_name:
        type: string
        description: Name of job running this template
    silo:
        type: string
        default: vm
        description: |
            String to identify a Jenkins Master

            Useful in scenarios where multiple Jenkins Masters might be
            creating VMs in the same cloud to uniquely distinguish them.

            TODO we should move to using tags once OpenStack Ocata which is
            available to us with support for server tags properties.
    index:
        type: number
    group:
        type: number
        default: "0"
    vm_flavor:
        type: string
        default: v1-standard-4
        description: OpenStack Flavor to use
    vm_image:
        type: string
        description: VM Image to spin up
    vm_network:
        type: string
        description: VM network

resources:
    instance:
        type: "OS::Nova::Server"
        properties:
            image: {get_param: vm_image}
            flavor: {get_param: vm_flavor}
            name:
                str_replace:
                    template: SILO-JOB_NAME-GROUP-VM_TYPE-INDEX
                    params:
                        "SILO": {get_param: silo}
                        "JOB_NAME": {get_param: job_name}
                        "VM_TYPE":
                            str_split:
                                - ' - '
                                - {get_param: vm_image}
                                - 2
                        "GROUP": {get_param: group}
                        "INDEX": {get_param: index}
            networks:
                - network: {get_param: vm_network}