Comment 1 for bug 1624264

Charm configurations that I'm using are:

mysql:
    dataset-size: 4G
    max-connections: 20000
    root-password: "admin"
    sst-password: "admin"
    vip: "<MYSQL_VIP>"
    vip_cidr: <NETWORK_PREFIX>
    vip_iface: "eth0"
hacluster-mysql:
    corosync_transport: unicast
    cluster_count: 3
    monitor_host: "<MONITOR_HOST_IP>"
keystone:
    admin-password: "admin"
    admin-token: "admin"
    region: "serverstack"
    openstack-origin: "cloud:trusty-mitaka"
    vip: "<KEYSTONE_VIP>"
    worker-multiplier: "1"
hacluster-keystone:
    cluster_count: 3
    corosync_transport: unicast
    monitor_host: "<MONITOR_HOST_IP>"
openstack-dashboard:
    vip: "<DASHBOARD_VIP>"
    openstack-origin: "cloud:trusty-mitaka"
hacluster-dashboard:
    cluster_count: 3
    corosync_transport: unicast
    monitor_host: "<MONITOR_HOST_IP>"
nova-compute:
    enable-live-migration: "True"
    enable-resize: "True"
    openstack-origin: "cloud:trusty-mitaka"
    migration-auth-type: "ssh"
    manage-neutron-plugin-legacy-mode: False
nova-cloud-controller:
    network-manager: "Neutron"
    console-access-protocol: "novnc"
    openstack-origin: "cloud:trusty-mitaka"
    region: "serverstack"
    single-nova-consoleauth: "False"
    vip: "<NOVA_CLOUD_CONTROLLER_VIP>"
    worker-multiplier: "1"
hacluster-nova-cc:
    cluster_count: 3
    monitor_host: "<MONITOR_HOST_IP>"
    corosync_transport: unicast
neutron-api:
    openstack-origin: "cloud:trusty-mitaka"
    neutron-security-groups: "True"
    neutron-plugin: "plumgrid"
    manage-neutron-plugin-legacy-mode: False
    region: "serverstack"
    vip: "<NEUTRON_VIP>"
    worker-multiplier: "1"
hacluster-neutron-api:
    cluster_count: 3
    monitor_host: "<MONITOR_HOST_IP>"
    corosync_transport: unicast
glance:
    openstack-origin: "cloud:trusty-mitaka"
    region: "serverstack"
    vip: "<GLANCE_VIP>"
    worker-multiplier: "1"
hacluster-glance:
    cluster_count: 3
    monitor_host: "<MONITOR_HOST_IP"
    corosync_transport: unicast
rabbitmq-server:
    vip: "<RABBIT_MQ_VIP>"