*** Settings ***
Documentation       Test suite to verify packet flows between vm instances.

Library             SSHLibrary
Library             OperatingSystem
Library             RequestsLibrary
Resource            ../libraries/OpenStackInstallUtils.robot
Resource            ../libraries/OpenStackOperations.robot
Resource            ../libraries/SystemUtils.robot
Resource            ../libraries/Utils.robot

Suite Setup         OpenStackInstallUtils.Get All Ssh Connections
Suite Teardown      Close All Connections


*** Test Cases ***
Install Nova
    Create And Configure Nova Db    ${OS_CONTROL_1_IP}    root    mysql    ${OS_CONTROL_1_HOSTNAME}
    IF    2 < ${NUM_CONTROL_NODES}
        Create And Configure Nova Db Other Nodes    ${OS_CONTROL_2_IP}    root    mysql    ${OS_CONTROL_2_HOSTNAME}
    END
    IF    2 < ${NUM_CONTROL_NODES}
        Create And Configure Nova Db Other Nodes    ${OS_CONTROL_3_IP}    root    mysql    ${OS_CONTROL_3_HOSTNAME}
    END
    IF    3 < ${NUM_CONTROL_NODES}
        Create And Configure Nova Db Other Nodes    ${OS_CONTROL_4_IP}    root    mysql    ${OS_CONTROL_4_HOSTNAME}
    END
    IF    4 < ${NUM_CONTROL_NODES}
        Create And Configure Nova Db Other Nodes    ${OS_CONTROL_5_IP}    root    mysql    ${OS_CONTROL_5_HOSTNAME}
    END
    IF    2 > ${NUM_CONTROL_NODES}
        Create Openstack Elements    ${OS_CONTROL_1_HOSTNAME}
    END
    IF    2 < ${NUM_CONTROL_NODES}
        Create Openstack Elements    ${HAPROXY_HOSTNAME}
    END
    IF    2 > ${NUM_CONTROL_NODES}
        Install Configure Nova API    ${OS_CONTROL_1_IP}    ${OS_CONTROL_1_IP}    ${OS_CONTROL_1_HOSTNAME}
    END
    IF    2 < ${NUM_CONTROL_NODES}
        Install Configure Nova API    ${OS_CONTROL_1_IP}    ${OS_CONTROL_1_IP}    ${HAPROXY_HOSTNAME}
    END
    IF    2 < ${NUM_CONTROL_NODES}
        Install Configure Nova API    ${OS_CONTROL_2_IP}    ${OS_CONTROL_2_IP}    ${HAPROXY_HOSTNAME}
    END
    IF    2 < ${NUM_CONTROL_NODES}
        Install Configure Nova API    ${OS_CONTROL_3_IP}    ${OS_CONTROL_3_IP}    ${HAPROXY_HOSTNAME}
    END
    IF    3 < ${NUM_CONTROL_NODES}
        Install Configure Nova API    ${OS_CONTROL_4_IP}    ${OS_CONTROL_4_IP}    ${HAPROXY_HOSTNAME}
    END
    IF    4 < ${NUM_CONTROL_NODES}
        Install Configure Nova API    ${OS_CONTROL_5_IP}    ${OS_CONTROL_5_IP}    ${HAPROXY_HOSTNAME}
    END
    Sync Db    ${OS_CONTROL_1_IP}
    Start Nova Services    ${OS_CONTROL_1_IP}
    IF    2 < ${NUM_CONTROL_NODES}    Start Nova Services    ${OS_CONTROL_2_IP}
    IF    2 < ${NUM_CONTROL_NODES}    Start Nova Services    ${OS_CONTROL_3_IP}
    IF    2 < ${NUM_CONTROL_NODES}
        Generic HAProxy Entry    ${HAPROXY_IP}    ${HAPROXY_IP}    8774    nova_compute_api_cluster
    END
    IF    2 < ${NUM_CONTROL_NODES}
        Generic HAProxy Entry    ${HAPROXY_IP}    ${HAPROXY_IP}    8775    nova_metadata_api_cluster
    END
    IF    2 < ${NUM_CONTROL_NODES}
        Generic HAProxy Entry    ${HAPROXY_IP}    ${HAPROXY_IP}    8778    nova_placement_service
    END
    IF    1 > ${NUM_COMPUTE_NODES}
        Install Configure Nova Compute    ${OS_CONTROL_1_IP}    ${OS_CONTROL_1_IP}
    END
    IF    0 < ${NUM_COMPUTE_NODES}
        Install Configure Nova Compute    ${OS_COMPUTE_1_IP}    ${OS_COMPUTE_1_IP}
    END
    IF    1 < ${NUM_COMPUTE_NODES}
        Install Configure Nova Compute    ${OS_COMPUTE_2_IP}    ${OS_COMPUTE_2_IP}
    END


*** Keywords ***
Create And Configure Nova Db
    [Arguments]    ${os_node_cxn}    ${mysql_user}    ${mysql_pass}    ${host_name}
    Create Database for Mysql    ${os_node_cxn}    ${mysql_user}    ${mysql_pass}    nova
    Grant Privileges To Mysql Database
    ...    ${os_node_cxn}
    ...    ${mysql_user}
    ...    ${mysql_pass}
    ...    nova.*
    ...    nova
    ...    ${host_name}
    ...    nova
    Grant Privileges To Mysql Database
    ...    ${os_node_cxn}
    ...    ${mysql_user}
    ...    ${mysql_pass}
    ...    nova.*
    ...    nova
    ...    localhost
    ...    nova
    IF    2 < ${NUM_CONTROL_NODES}
        Grant Privileges To Mysql Database
        ...    ${os_node_cxn}
        ...    ${mysql_user}
        ...    ${mysql_pass}
        ...    nova.*
        ...    nova
        ...    ${HAPROXY_HOSTNAME}
        ...    nova
    END
    Create Database for Mysql    ${os_node_cxn}    ${mysql_user}    ${mysql_pass}    nova_api
    Grant Privileges To Mysql Database
    ...    ${os_node_cxn}
    ...    ${mysql_user}
    ...    ${mysql_pass}
    ...    nova_api.*
    ...    nova
    ...    ${host_name}
    ...    nova
    Grant Privileges To Mysql Database
    ...    ${os_node_cxn}
    ...    ${mysql_user}
    ...    ${mysql_pass}
    ...    nova_api.*
    ...    nova
    ...    localhost
    ...    nova
    IF    2 < ${NUM_CONTROL_NODES}
        Grant Privileges To Mysql Database
        ...    ${os_node_cxn}
        ...    ${mysql_user}
        ...    ${mysql_pass}
        ...    nova_api.*
        ...    nova
        ...    ${HAPROXY_HOSTNAME}
        ...    nova
    END
    Create Database for Mysql    ${os_node_cxn}    ${mysql_user}    ${mysql_pass}    nova_cell0
    Grant Privileges To Mysql Database
    ...    ${os_node_cxn}
    ...    ${mysql_user}
    ...    ${mysql_pass}
    ...    nova_cell0.*
    ...    nova
    ...    ${host_name}
    ...    nova
    Grant Privileges To Mysql Database
    ...    ${os_node_cxn}
    ...    ${mysql_user}
    ...    ${mysql_pass}
    ...    nova_cell0.*
    ...    nova
    ...    localhost
    ...    nova
    IF    2 < ${NUM_CONTROL_NODES}
        Grant Privileges To Mysql Database
        ...    ${os_node_cxn}
        ...    ${mysql_user}
        ...    ${mysql_pass}
        ...    nova_cell0.*
        ...    nova
        ...    ${HAPROXY_HOSTNAME}
        ...    nova
    END

Workaround Packaging Problem
    [Arguments]    ${os_node_cxn}
    Switch Connection    ${os_node_cxn}
    Put File    ${CURDIR}/nova_workaround.xml    /tmp/

Create And Configure Nova Db Other Nodes
    [Arguments]    ${os_node_cxn}    ${mysql_user}    ${mysql_pass}    ${host_name}
    Grant Privileges To Mysql Database
    ...    ${os_node_cxn}
    ...    ${mysql_user}
    ...    ${mysql_pass}
    ...    nova.*
    ...    nova
    ...    ${host_name}
    ...    nova
    Grant Privileges To Mysql Database
    ...    ${os_node_cxn}
    ...    ${mysql_user}
    ...    ${mysql_pass}
    ...    nova.*
    ...    nova
    ...    localhost
    ...    nova
    IF    2 < ${NUM_CONTROL_NODES}
        Grant Privileges To Mysql Database
        ...    ${os_node_cxn}
        ...    ${mysql_user}
        ...    ${mysql_pass}
        ...    nova.*
        ...    nova
        ...    ${HAPROXY_HOSTNAME}
        ...    nova
    END
    Grant Privileges To Mysql Database
    ...    ${os_node_cxn}
    ...    ${mysql_user}
    ...    ${mysql_pass}
    ...    nova_api.*
    ...    nova
    ...    ${host_name}
    ...    nova
    Grant Privileges To Mysql Database
    ...    ${os_node_cxn}
    ...    ${mysql_user}
    ...    ${mysql_pass}
    ...    nova_api.*
    ...    nova
    ...    localhost
    ...    nova
    IF    2 < ${NUM_CONTROL_NODES}
        Grant Privileges To Mysql Database
        ...    ${os_node_cxn}
        ...    ${mysql_user}
        ...    ${mysql_pass}
        ...    nova_api.*
        ...    nova
        ...    ${HAPROXY_HOSTNAME}
        ...    nova
    END
    Grant Privileges To Mysql Database
    ...    ${os_node_cxn}
    ...    ${mysql_user}
    ...    ${mysql_pass}
    ...    nova_cell0.*
    ...    nova
    ...    ${host_name}
    ...    nova
    Grant Privileges To Mysql Database
    ...    ${os_node_cxn}
    ...    ${mysql_user}
    ...    ${mysql_pass}
    ...    nova_cell0.*
    ...    nova
    ...    localhost
    ...    nova
    IF    2 < ${NUM_CONTROL_NODES}
        Grant Privileges To Mysql Database
        ...    ${os_node_cxn}
        ...    ${mysql_user}
        ...    ${mysql_pass}
        ...    nova_cell0.*
        ...    nova
        ...    ${HAPROXY_HOSTNAME}
        ...    nova
    END

Create Openstack Elements
    [Arguments]    ${host_name}
    Create User    nova    default    nova    rc_file=/tmp/stackrc
    Role Add    service    nova    admin    rc_file=/tmp/stackrc
    Create Service    nova    "Compute service"    compute    rc_file=/tmp/stackrc
    Create Endpoint    RegionOne    ${host_name}    compute    public    8774/v2.1    rc_file=/tmp/stackrc
    Create Endpoint    RegionOne    ${host_name}    compute    internal    8774/v2.1    rc_file=/tmp/stackrc
    Create Endpoint    RegionOne    ${host_name}    compute    admin    8774/v2.1    rc_file=/tmp/stackrc
    Create User    placement    default    placement    rc_file=/tmp/stackrc
    Role Add    service    placement    admin    rc_file=/tmp/stackrc
    Create Service    placement    "Plaement API"    placement    rc_file=/tmp/stackrc
    Create Endpoint    RegionOne    ${host_name}    placement    public    8778    rc_file=/tmp/stackrc
    Create Endpoint    RegionOne    ${host_name}    placement    internal    8778    rc_file=/tmp/stackrc
    Create Endpoint    RegionOne    ${host_name}    placement    admin    8778    rc_file=/tmp/stackrc

Install Configure Nova API
    [Arguments]    ${os_node_cxn}    ${host_ip}    ${host_name}
    IF    '${OS_APPS_PRE_INSTALLED}' == 'no'
        Install Rpm Package
        ...    ${os_node_cxn}
        ...    openstack-nova-api openstack-nova-conductor openstack-nova-console openstack-nova-novncproxy openstack-nova-scheduler openstack-nova-placement-api
    END
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    DEFAULT    enabled_apis    "osapi_compute,metadata"
    IF    2 < ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    DEFAULT
        ...    transport_url
        ...    "rabbit://openstack:rabbit@${OS_CONTROL_1_HOSTNAME},openstack:rabbit@${OS_CONTROL_2_HOSTNAME},openstack:rabbit@${OS_CONTROL_3_HOSTNAME}"
    END
    IF    2 > ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    DEFAULT
        ...    transport_url
        ...    "rabbit://openstack:rabbit@${host_name}"
    END
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    DEFAULT    my_ip    ${host_ip}
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    DEFAULT    use_neutron    True
    Crudini Edit
    ...    ${os_node_cxn}
    ...    /etc/nova/nova.conf
    ...    DEFAULT
    ...    firewall_driver
    ...    nova.virt.firewall.NoopFirewallDriver
    Crudini Edit
    ...    ${os_node_cxn}
    ...    /etc/nova/nova.conf
    ...    api_database
    ...    connection
    ...    "mysql+pymysql://nova:nova@${host_name}/nova_api"
    Crudini Edit
    ...    ${os_node_cxn}
    ...    /etc/nova/nova.conf
    ...    database
    ...    connection
    ...    "mysql+pymysql://nova:nova@${host_name}/nova"
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    api    auth_strategy    keystone
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    auth_uri    http://${host_name}:5000
    Crudini Edit
    ...    ${os_node_cxn}
    ...    /etc/nova/nova.conf
    ...    keystone_authtoken
    ...    auth_url
    ...    http://${host_name}:35357
    IF    2 < ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    keystone_authtoken
        ...    memcached_servers
        ...    ${OS_CONTROL_1_IP}:11211,${OS_CONTROL_2_IP}:11211,${OS_CONTROL_3_IP}:11211
    END
    IF    2 > ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    keystone_authtoken
        ...    memcached_servers
        ...    ${host_name}:11211
    END
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    auth_type    password
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    project_domain_name    default
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    user_domain_name    default
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    project_name    service
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    username    nova
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    password    nova
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    vnc    enabled    false
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    glance    api_servers    http://${host_name}:9292
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    oslo_concurrency    lock_path    /var/lib/nova/tmp
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    os_region_name    RegionOne
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    project_domain_name    Default
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    user_domain_name    Default
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    project_name    service
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    auth_type    password
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    auth_url    http://${host_name}:35357/v3
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    username    placement
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    password    placement
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    scheduler    discover_hosts_in_cells_interval    40
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    oslo_messaging_rabbit    rabbit_max_retries    0
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    oslo_messaging_rabbit    rabbit_ha_queues    true
    Workaround Packaging Problem    ${os_node_cxn}
    Run Command
    ...    ${os_node_cxn}
    ...    cat /tmp/nova_workaround.xml | sudo tee -a /etc/httpd/conf.d/00-nova-placement-api.conf
    Restart Service    ${os_node_cxn}    httpd

Sync Db
    [Arguments]    ${os_node_cxn}
    Run Command As User    ${os_node_cxn}    "nova-manage api_db sync"    nova
    Run Command As User    ${os_node_cxn}    "nova-manage cell_v2 map_cell0"    nova
    Run Command As User    ${os_node_cxn}    "nova-manage cell_v2 create_cell --name=cell1 --verbose"    nova
    Run Command As User    ${os_node_cxn}    "nova-manage db sync"    nova
    Run Command As User    ${os_node_cxn}    "nova-manage cell_v2 list_cells"    nova

Start Nova Services
    [Arguments]    ${os_node_cxn}
    Enable Service
    ...    ${os_node_cxn}
    ...    openstack-nova-api.service openstack-nova-consoleauth.service openstack-nova-scheduler.service openstack-nova-conductor.service openstack-nova-novncproxy.service
    Start Service
    ...    ${os_node_cxn}
    ...    openstack-nova-api.service openstack-nova-consoleauth.service openstack-nova-scheduler.service openstack-nova-conductor.service openstack-nova-novncproxy.service

Install Configure Nova Compute
    [Arguments]    ${os_node_cxn}    ${host_ip}
    IF    '${OS_APPS_PRE_INSTALLED}' == 'no'
        Install Rpm Package    ${os_node_cxn}    openstack-nova-compute nfs-utils
    END
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    DEFAULT    enabled_apis    "osapi_compute,metadata"
    IF    2 < ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    DEFAULT
        ...    transport_url
        ...    "rabbit://openstack:rabbit@${OS_CONTROL_1_HOSTNAME},openstack:rabbit@${OS_CONTROL_2_HOSTNAME},openstack:rabbit@${OS_CONTROL_3_HOSTNAME}"
    END
    IF    2 > ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    DEFAULT
        ...    transport_url
        ...    "rabbit://openstack:rabbit@${OS_CONTROL_1_HOSTNAME}"
    END
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    oslo_messaging_rabbit    rabbit_max_retries    0
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    oslo_messaging_rabbit    rabbit_ha_queues    true
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    DEFAULT    my_ip    ${host_ip}
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    DEFAULT    use_neutron    True
    Crudini Edit
    ...    ${os_node_cxn}
    ...    /etc/nova/nova.conf
    ...    DEFAULT
    ...    firewall_driver
    ...    nova.virt.firewall.NoopFirewallDriver
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    api    auth_strategy    keystone
    IF    2 > ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    keystone_authtoken
        ...    auth_uri
        ...    http://${OS_CONTROL_1_HOSTNAME}:5000
    END
    IF    2 < ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    keystone_authtoken
        ...    auth_uri
        ...    http://${HAPROXY_HOSTNAME}:5000
    END
    IF    2 > ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    keystone_authtoken
        ...    auth_url
        ...    http://${OS_CONTROL_1_HOSTNAME}:35357
    END
    IF    2 < ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    keystone_authtoken
        ...    auth_url
        ...    http://${HAPROXY_HOSTNAME}:35357
    END
    IF    2 < ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    keystone_authtoken
        ...    memcached_servers
        ...    ${OS_CONTROL_1_IP}:11211,${OS_CONTROL_2_IP}:11211,${OS_CONTROL_3_IP}:11211
    END
    IF    2 > ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    keystone_authtoken
        ...    memcached_servers
        ...    ${OS_CONTROL_1_HOSTNAME}:11211
    END
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    auth_type    password
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    project_domain_name    default
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    user_domain_name    default
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    project_name    service
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    username    nova
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    keystone_authtoken    password    nova
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    vnc    enabled    false
    IF    2 < ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    glance
        ...    api_servers
        ...    http://${HAPROXY_HOSTNAME}:9292
    END
    IF    2 > ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    glance
        ...    api_servers
        ...    http://${OS_CONTROL_1_HOSTNAME}:9292
    END
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    oslo_concurrency    lock_path    /var/lib/nova/tmp
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    os_region_name    RegionOne
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    project_domain_name    Default
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    user_domain_name    Default
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    project_name    service
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    auth_type    password
    IF    2 > ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    placement
        ...    auth_url
        ...    http://${OS_CONTROL_1_HOSTNAME}:35357/v3
    END
    IF    2 < ${NUM_CONTROL_NODES}
        Crudini Edit
        ...    ${os_node_cxn}
        ...    /etc/nova/nova.conf
        ...    placement
        ...    auth_url
        ...    http://${HAPROXY_HOSTNAME}:35357/v3
    END
    Enable Service    ${os_node_cxn}    rpcbind
    Start Service    ${os_node_cxn}    rpcbind
    Run Command    ${os_node_cxn}    sudo mkdir -p /var/lib/nova/instances_live_migration
    IF    2 < ${NUM_CONTROL_NODES}
        Run Command
        ...    ${os_node_cxn}
        ...    sudo mount -t nfs ${HAPROXY_IP}:/instances /var/lib/nova/instances_live_migration
    END
    IF    2 > ${NUM_CONTROL_NODES}
        Run Command
        ...    ${os_node_cxn}
        ...    sudo mount -t nfs ${ROBOT_VM_IP}:/instances /var/lib/nova/instances_live_migration
    END
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    username    placement
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    placement    password    placement
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    libvirt    virt_type    qemu
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    oslo_messaging_rabbit    rabbit_max_retries    0
    Crudini Edit    ${os_node_cxn}    /etc/nova/nova.conf    oslo_messaging_rabbit    rabbit_ha_queues    true
    Chown File    ${os_node_cxn}    /var/lib/nova/instances    nova    nova
    Enable Service    ${os_node_cxn}    openstack-nova-compute libvirtd
    Start Service    ${os_node_cxn}    openstack-nova-compute libvirtd