---
# The options in this file can be overridden in 'globals.yml'

# The "temp" files that are created before merge need to stay persistent due
# to the fact that ansible will register a "change" if it has to create them
# again. Persistent files allow for idempotency
container_config_directory: "/var/lib/kolla/config_files"

# The directory to merge custom config files the kolla's config files
node_custom_config: "/etc/kolla/config"

# The project to generate configuration files for
project: ""

# The directory to store the config files on the destination node
node_config_directory: "/etc/kolla/{{ project }}"

# The group which own node_config_directory, you can use a non-root
# user to deploy kolla
config_owner_user: "root"
config_owner_group: "root"


###################
# Kolla options
###################
# Valid options are [ COPY_ONCE, COPY_ALWAYS ]
config_strategy: "COPY_ALWAYS"

# Valid options are [ centos, oraclelinux, ubuntu ]
kolla_base_distro: "centos"
# Valid options are [ binary, source ]
kolla_install_type: "binary"

kolla_internal_vip_address: "{{ kolla_internal_address }}"
kolla_internal_fqdn: "{{ kolla_internal_vip_address }}"
kolla_external_vip_address: "{{ kolla_internal_vip_address }}"
kolla_external_fqdn: "{{ kolla_internal_fqdn if kolla_external_vip_address == kolla_internal_vip_address else kolla_external_vip_address }}"

kolla_enable_sanity_checks: "no"

kolla_enable_sanity_barbican: "{{ kolla_enable_sanity_checks }}"
kolla_enable_sanity_keystone: "{{ kolla_enable_sanity_checks }}"
kolla_enable_sanity_glance: "{{ kolla_enable_sanity_checks }}"
kolla_enable_sanity_cinder: "{{ kolla_enable_sanity_checks }}"
kolla_enable_sanity_swift: "{{ kolla_enable_sanity_checks }}"

kolla_dev_repos_directory: "/opt/stack/"
kolla_dev_repos_git: "https://git.openstack.org/openstack"
kolla_dev_repos_pull: "no"
kolla_dev_mode: "no"

# Proxy settings for containers such as magnum that need internet access
container_http_proxy: ""
container_https_proxy: ""
container_no_proxy: "localhost,127.0.0.1"

container_proxy:
  http_proxy: "{{ container_http_proxy }}"
  https_proxy: "{{ container_https_proxy }}"
  no_proxy: "{{ container_no_proxy }},{{ api_interface_address }},{{ kolla_internal_vip_address }}"

####################
# kolla-kubernetes
####################
# By default, Kolla API services bind to the network address assigned
# to the api_interface.  Allow the bind address to be an override.
api_interface_address:  "{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}"

################
# Chrony options
################
# A list contains ntp servers
external_ntp_servers:
  - 0.pool.ntp.org
  - 1.pool.ntp.org
  - 2.pool.ntp.org
  - 3.pool.ntp.org

####################
# Database options
####################
database_address: "{{ kolla_internal_fqdn }}"
database_user: "root"
database_port: "3306"


####################
# Docker options
####################
docker_registry_email:
docker_registry:
docker_namespace: "kolla"
docker_registry_username:

# Valid options are [ never, on-failure, always, unless-stopped ]
docker_restart_policy: "unless-stopped"

# '0' means unlimited retries
docker_restart_policy_retry: "10"

# Common options used throughout Docker
docker_common_options:
    auth_email: "{{ docker_registry_email }}"
    auth_password: "{{ docker_registry_password }}"
    auth_registry: "{{ docker_registry }}"
    auth_username: "{{ docker_registry_username }}"
    environment:
      KOLLA_CONFIG_STRATEGY: "{{ config_strategy }}"
    restart_policy: "{{ docker_restart_policy }}"
    restart_retries: "{{ docker_restart_policy_retry }}"


####################
# keepalived options
####################
# Arbitrary unique number from 0..255
keepalived_virtual_router_id: "51"


#######################
# Elasticsearch Options
#######################
es_heap_size: "1G"

###################
# Messaging options
###################
# olso.messaging rpc transport valid options are [ rabbit, amqp ]
om_rpc_transport: "rabbit"
om_rpc_user: "{{ rabbitmq_user }}"
om_rpc_password: "{{ rabbitmq_password }}"
om_rpc_port: "{{ rabbitmq_port }}"
om_rpc_group: "rabbitmq"

rpc_transport_url: "{{ om_rpc_transport }}://{% for host in groups[om_rpc_group] %}{{ om_rpc_user }}:{{ om_rpc_password }}@{{ hostvars[host]['ansible_' + api_interface]['ipv4']['address'] }}:{{ om_rpc_port }}{% if not loop.last %},{% endif %}{% endfor %}"

# oslo.messaging notify transport valid options are [ rabbit ]
om_notify_transport: "rabbit"
om_notify_user: "{{ rabbitmq_user }}"
om_notify_password: "{{ rabbitmq_password }}"
om_notify_port: "{{ rabbitmq_port }}"
om_notify_group: "rabbitmq"

notify_transport_url: "{{ om_notify_transport }}://{% for host in groups[om_notify_group] %}{{ om_notify_user }}:{{ om_notify_password }}@{{ hostvars[host]['ansible_' + api_interface]['ipv4']['address'] }}:{{ om_notify_port }}{% if not loop.last %},{% endif %}{% endfor %}"

####################
# Networking options
####################
network_interface: "eth0"
neutron_external_interface: "eth1"
kolla_external_vip_interface: "{{ network_interface }}"
api_interface: "{{ network_interface }}"
storage_interface: "{{ network_interface }}"
cluster_interface: "{{ network_interface }}"
tunnel_interface: "{{ network_interface }}"
bifrost_network_interface: "{{ network_interface }}"
dns_interface: "{{ network_interface }}"
tunnel_interface_address: "{{ hostvars[inventory_hostname]['ansible_' + tunnel_interface]['ipv4']['address'] }}"

# Valid options are [ openvswitch, linuxbridge, vmware_nsxv, vmware_dvs, opendaylight ]
neutron_plugin_agent: "openvswitch"

# The default ports used by each service.
# The list should be in alphabetical order
aodh_api_port: "8042"

barbican_api_port: "9311"

cinder_api_port: "8776"

congress_api_port: "1789"

cloudkitty_api_port: "8889"

collectd_udp_port: "25826"

designate_api_port: "9001"
designate_bind_port: "53"
designate_mdns_port: "5354"
designate_rndc_port: "953"

elasticsearch_port: "9200"

etcd_client_port: "2379"
etcd_peer_port: "2380"

fluentd_syslog_port: "5140"

freezer_api_port: "9090"

glance_api_port: "9292"
glance_registry_port: "9191"

gnocchi_api_port: "8041"

grafana_server_port: "3000"

haproxy_stats_port: "1984"

heat_api_port: "8004"
heat_api_cfn_port: "8000"

horizon_port: "80"

influxdb_admin_port: "8083"
influxdb_http_port: "8086"

ironic_api_port: "6385"
ironic_inspector_port: "5050"

iscsi_port: "3260"

karbor_api_port: "8799"

keystone_public_port: "5000"
keystone_admin_port: "35357"
keystone_ssh_port: "8023"

kibana_server_port: "5601"

kuryr_port: "23750"

magnum_api_port: "9511"

manila_api_port: "8786"

mariadb_port: "{{ database_port }}"
mariadb_wsrep_port: "4567"
mariadb_ist_port: "4568"
mariadb_sst_port: "4444"

memcached_port: "11211"

mistral_api_port: "8989"

mongodb_port: "27017"
mongodb_web_port: "28017"

murano_api_port: "8082"

neutron_server_port: "9696"

nova_api_port: "8774"
nova_metadata_port: "8775"
nova_novncproxy_port: "6080"
nova_spicehtml5proxy_port: "6082"
nova_serialproxy_port: "6083"

octavia_api_port: "9876"
octavia_health_manager_port: "5555"

outward_rabbitmq_port: "5674"
outward_rabbitmq_management_port: "15674"
outward_rabbitmq_cluster_port: "25674"
outward_rabbitmq_epmd_port: "4371"

ovsdb_port: "6640"

panko_api_port: "8977"

placement_api_port: "8780"

qdrouterd_port: "31459"

rabbitmq_port: "5672"
rabbitmq_management_port: "15672"
rabbitmq_cluster_port: "25672"
rabbitmq_epmd_port: "4369"

redis_port: "6379"
redis_sentinel_port: "26379"

rdp_port: "8001"

rgw_port: "6780"

sahara_api_port: "8386"

searchlight_api_port: "9393"

senlin_api_port: "8778"

skydive_analyzer_port: "8085"
skydive_agents_port: "8090"

solum_application_deployment_port: "9777"
solum_image_builder_port: "9778"

swift_proxy_server_port: "8080"
swift_object_server_port: "6000"
swift_account_server_port: "6001"
swift_container_server_port: "6002"
swift_rsync_port: "10873"

syslog_udp_port: "{{ fluentd_syslog_port }}"

tacker_server_port: "9890"

trove_api_port: "8779"

watcher_api_port: "9322"

zun_api_port: "9517"

opendaylight_clustering_port: "2550"
opendaylight_restconf_port: "8087"
opendaylight_restconf_port_backup: "8182"
opendaylight_haproxy_restconf_port: "8088"
opendaylight_haproxy_restconf_port_backup: "8183"
opendaylight_jetty_conf_port: "8543"
opendaylight_jetty_conf2_port: "8443"
opendaylight_tomcat_port: "8282"
opendaylight_tomcat_redirect_port: "8663"
opendaylight_karaf_ssh_port: "8101"
opendaylight_openflow_port: "6653"
opendaylight_ovsdb_port: "6641"

vitrage_api_port: "8999"

public_protocol: "{{ 'https' if kolla_enable_tls_external | bool else 'http' }}"
internal_protocol: "http"
admin_protocol: "http"

####################
# OpenStack options
####################
openstack_release: "auto"
openstack_logging_debug: "False"

openstack_region_name: "RegionOne"

# A list of policy file formats that are supported by Oslo.policy
supported_policy_format_list:
  - policy.yaml
  - policy.json

# In the context of multi-regions, list here the name of all your regions.
multiple_regions_names:
    - "{{ openstack_region_name }}"

openstack_service_workers: "{{ [ansible_processor_vcpus, 5]|min }}"
openstack_service_rpc_workers: "{{ [ansible_processor_vcpus, 3]|min }}"

# Optionally allow Kolla to set sysctl values
set_sysctl: "yes"

# Valid options are [ novnc, spice ]
nova_console: "novnc"

# OpenStack authentication string. You should only need to override these if you
# are changing the admin tenant/project or user.
openstack_auth:
    auth_url: "{{ admin_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_admin_port }}"
    username: "admin"
    password: "{{ keystone_admin_password }}"
    project_name: "admin"
    domain_name: "default"

# Endpoint type used to connect with OpenStack services with ansible modules.
# Valid options are [ public, internal, admin ]
openstack_interface: "admin"

# These roles are required for Kolla to be operation, however a savvy deployer
# could disable some of these required roles and run their own services.
enable_glance: "yes"
enable_haproxy: "yes"
enable_keystone: "yes"
enable_mariadb: "yes"
enable_memcached: "yes"
enable_neutron: "yes"
enable_nova: "yes"
enable_rabbitmq: "{{ 'yes' if om_rpc_transport == 'rabbit' or om_notify_transport == 'rabbit' else 'no' }}"
enable_outward_rabbitmq: "{{ enable_murano | bool }}"

# Additional optional OpenStack features and services are specified here
enable_aodh: "no"
enable_barbican: "no"
enable_cadf_notifications: "no"
enable_ceilometer: "no"
enable_central_logging: "no"
enable_ceph: "no"
enable_ceph_mds: "no"
enable_ceph_rgw: "no"
enable_ceph_nfs: "no"
enable_chrony: "no"
enable_cinder: "no"
enable_cinder_backup: "yes"
enable_cinder_backend_hnas_iscsi: "no"
enable_cinder_backend_hnas_nfs: "no"
enable_cinder_backend_iscsi: "{{ enable_cinder_backend_lvm | bool or enable_cinder_backend_hnas_iscsi | bool or enable_cinder_backend_zfssa_iscsi | bool }}"
enable_cinder_backend_lvm: "no"
enable_cinder_backend_nfs: "no"
enable_cinder_backend_zfssa_iscsi: "no"
enable_cloudkitty: "no"
enable_congress: "no"
enable_designate: "no"
enable_etcd: "no"
enable_fluentd: "yes"
enable_freezer: "no"
enable_gnocchi: "no"
enable_grafana: "no"
enable_heat: "yes"
enable_horizon: "yes"
enable_horizon_cloudkitty: "{{ enable_cloudkitty | bool }}"
enable_horizon_designate: "{{ enable_designate | bool }}"
enable_horizon_fwaas: "{{ enable_neutron_fwaas | bool }}"
enable_horizon_freezer: "{{ enable_freezer | bool }}"
enable_horizon_heat: "{{ enable_heat | bool }}"
enable_horizon_ironic: "{{ enable_ironic | bool }}"
enable_horizon_karbor: "{{ enable_karbor | bool }}"
enable_horizon_magnum: "{{ enable_magnum | bool }}"
enable_horizon_manila: "{{ enable_manila | bool }}"
enable_horizon_mistral: "{{ enable_mistral | bool }}"
enable_horizon_murano: "{{ enable_murano | bool }}"
enable_horizon_neutron_lbaas: "{{ enable_neutron_lbaas | bool }}"
enable_horizon_sahara: "{{ enable_sahara | bool }}"
enable_horizon_searchlight: "{{ enable_searchlight | bool }}"
enable_horizon_senlin: "{{ enable_senlin | bool }}"
enable_horizon_solum: "{{ enable_solum | bool }}"
enable_horizon_tacker: "{{ enable_tacker | bool }}"
enable_horizon_trove: "{{ enable_trove | bool }}"
enable_horizon_vitrage: "{{ enable_vitrage | bool }}"
enable_horizon_watcher: "{{ enable_watcher | bool }}"
enable_horizon_zun: "{{ enable_zun | bool }}"
enable_hyperv: "no"
enable_influxdb: "no"
enable_ironic: "no"
enable_ironic_pxe_uefi: "no"
enable_iscsid: "{{ (enable_cinder | bool and enable_cinder_backend_iscsi | bool) or enable_ironic | bool }}"
enable_karbor: "no"
enable_kuryr: "no"
enable_magnum: "no"
enable_manila: "no"
enable_manila_backend_generic: "no"
enable_manila_backend_hnas: "no"
enable_manila_backend_cephfs_native: "no"
enable_manila_backend_cephfs_nfs: "no"
enable_mistral: "no"
enable_mongodb: "no"
enable_multipathd: "no"
enable_murano: "no"
enable_neutron_vpnaas: "no"
enable_neutron_sriov: "no"
enable_neutron_dvr: "no"
enable_neutron_lbaas: "no"
enable_neutron_fwaas: "no"
enable_neutron_qos: "no"
enable_neutron_agent_ha: "no"
enable_neutron_bgp_dragent: "no"
enable_neutron_provider_networks: "no"
enable_neutron_segments: "no"
enable_neutron_sfc: "no"
enable_nova_serialconsole_proxy: "no"
enable_octavia: "no"
enable_opendaylight: "no"
enable_openvswitch: "{{ neutron_plugin_agent != 'linuxbridge' | bool }}"
enable_ovs_dpdk: "no"
enable_osprofiler: "no"
enable_panko: "no"
enable_qdrouterd: "{{ 'yes' if om_rpc_transport == 'amqp' else 'no' }}"
enable_rally: "no"
enable_redis: "no"
enable_sahara: "no"
enable_searchlight: "no"
enable_senlin: "no"
enable_skydive: "no"
enable_solum: "no"
enable_swift: "no"
enable_tacker: "no"
enable_telegraf: "no"
enable_tempest: "no"
enable_trove: "no"
enable_vitrage: "no"
enable_vmtp: "no"
enable_watcher: "no"
enable_zun: "no"

ovs_datapath: "{{ 'netdev' if enable_ovs_dpdk | bool else 'system' }}"
designate_keystone_user: "designate"
ironic_keystone_user: "ironic"
neutron_keystone_user: "neutron"
nova_keystone_user: "nova"
placement_keystone_user: "placement"

# Nova fake driver and the number of fake driver per compute node
enable_nova_fake: "no"
num_nova_fake_per_node: 5

# Monitoring options are specified here
enable_collectd: "no"

# Clean images options are specified here
enable_destroy_images: "no"

####################
# Logging options
####################

elasticsearch_address: "{{ kolla_internal_vip_address }}"
enable_elasticsearch: "{{ 'yes' if enable_central_logging | bool or enable_freezer | bool or enable_osprofiler | bool or enable_skydive | bool else 'no' }}"
enable_kibana: "{{ 'yes' if enable_central_logging | bool else 'no' }}"

####################
# RabbitMQ options
####################
rabbitmq_hipe_compile: "no"
rabbitmq_user: "openstack"
rabbitmq_monitoring_user: ""
rabbitmq_version: "rabbitmq_server-3.6/plugins/rabbitmq_clusterer-3.6.x.ez/rabbitmq_clusterer-3.6.x-667f92b0/ebin"
outward_rabbitmq_user: "openstack"

####################
# Qdrouterd options
####################
qdrouterd_user: "openstack"

####################
# HAProxy options
####################
haproxy_user: "openstack"
haproxy_enable_external_vip: "{{ 'no' if kolla_external_vip_address == kolla_internal_vip_address else 'yes' }}"
kolla_enable_tls_external: "no"
kolla_external_fqdn_cert: "{{ node_config_directory }}/certificates/haproxy.pem"
kolla_external_fqdn_cacert: "{{ node_config_directory }}/certificates/haproxy-ca.crt"


####################
# Kibana options
####################
kibana_user: "kibana"
kibana_log_prefix: "flog"

####################
# Keystone options
####################
keystone_admin_url: "{{ admin_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_admin_port }}"
keystone_internal_url: "{{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_public_port }}"
keystone_public_url: "{{ public_protocol }}://{{ kolla_external_fqdn }}:{{ keystone_public_port }}"

default_project_domain_name: "Default"
default_project_domain_id: "default"

default_user_domain_name: "Default"
default_user_domain_id: "default"

# Valid options are [ uuid, fernet ]
keystone_token_provider: "uuid"
fernet_token_expiry: 86400

keystone_default_user_role: "_member_"

#######################
# Glance options
#######################
# Using glance_backend_ceph rather than enable_ceph to determine whether to
# use the file backend, as this allows for the external ceph case, where
# enable_ceph is False.
glance_backend_file: "{{ not glance_backend_ceph | bool }}"
glance_backend_ceph: "{{ enable_ceph }}"
glance_backend_vmware: "no"
glance_backend_swift: "no"
glance_file_datadir_volume: "glance"

#######################
# Barbican options
#######################
# Valid options are [ simple_crypto, p11_crypto ]
barbican_crypto_plugin: "simple_crypto"
barbican_library_path: "/usr/lib/libCryptoki2_64.so"

########################
### Panko options
########################
# Valid options are [ mongodb, mysql ]
panko_database_type: "mysql"


#################
# Gnocchi options
#################
# Valid options are [file, ceph]
gnocchi_backend_storage: "{{ 'ceph' if enable_ceph|bool else 'file' }}"


#################################
# Cinder options
#################################
cinder_backend_ceph: "{{ enable_ceph }}"
cinder_backend_vmwarevc_vmdk: "no"
cinder_volume_group: "cinder-volumes"

# Valid options are [ nfs, swift, ceph ]
cinder_backup_driver: "ceph"
cinder_backup_share: ""
cinder_backup_mount_options_nfs: ""

#######################
# Cloudkitty options
#######################
# Valid options are [ ceilometer, gnocchi ]
cloudkitty_collector_backend: "ceilometer"

#######################
# Designate options
#######################
# Valid options are [ bind9 ]
designate_backend: "bind9"
designate_ns_record: "sample.openstack.org"
designate_backend_external: "no"
designate_backend_external_bind9_nameservers: ""

#######################
# Neutron options
#######################
neutron_bgp_router_id: "1.1.1.1"
neutron_bridge_name: "{{ 'br-dvs' if neutron_plugin_agent == 'vmware_dvs' else 'br-ex' }}"
# Comma-separated type of enabled ml2 type drivers
neutron_type_drivers: "flat,vlan,vxlan"
# Comma-separated types of tenant networks (should be listed in 'neutron_type_drivers')
# NOTE: for ironic this list should also contain 'flat'
neutron_tenant_network_types: "vxlan"

computes_need_external_bridge: "{{ enable_neutron_dvr | bool or enable_neutron_provider_networks | bool or enable_opendaylight | bool and neutron_plugin_agent != 'vmware_dvs' }}"

#######################
# Nova options
#######################
nova_backend_ceph: "{{ enable_ceph }}"
nova_backend: "{{ 'rbd' if nova_backend_ceph | bool else 'default' }}"
# Valid options are [ kvm, qemu, vmware, xenapi ]
nova_compute_virt_type: "kvm"

#######################
# Murano options
#######################
murano_agent_rabbitmq_vhost: "muranoagent"
murano_agent_rabbitmq_user: "muranoagent"


#######################
# Horizon options
#######################
horizon_backend_database: "{{ enable_murano | bool }}"
horizon_keystone_multidomain: False


#################
# Octavia options
#################
# Load balancer topology options are [ SINGLE, ACTIVE_STANDBY ]
octavia_loadbalancer_topology: "SINGLE"
octavia_amp_boot_network_list:
octavia_amp_secgroup_list:
octavia_amp_flavor_id:

###################
# Ceph options
###################
# Ceph can be setup with a caching to improve performance. To use the cache you
# must provide separate disks than those for the OSDs
ceph_enable_cache: "no"

external_ceph_cephx_enabled: "yes"

# Ceph is not able to determine the size of a cache pool automatically,
# so the configuration on the absolute size is required here, otherwise the flush/evict will not work.
ceph_target_max_bytes: ""
ceph_target_max_objects: ""

# Valid options are [ forward, none, writeback ]
ceph_cache_mode: "writeback"

# Valid options are [ ext4, btrfs, xfs ]
ceph_osd_filesystem: "xfs"

# Set to 'yes-i-really-really-mean-it' to force wipe disks with existing partitions for OSDs. Only
# set if you understand the consequences!
ceph_osd_wipe_disk: ""

# These are /etc/fstab options. Comma separated, no spaces (see fstab(8))
ceph_osd_mount_options: "defaults,noatime"

# A requirement for using the erasure-coded pools is you must setup a cache tier
# Valid options are [ erasure, replicated ]
ceph_pool_type: "replicated"

# Integrate Ceph Rados Object Gateway with OpenStack keystone
enable_ceph_rgw_keystone: "no"

ceph_cinder_pool_name: "volumes"
ceph_cinder_backup_pool_name: "backups"
ceph_glance_pool_name: "images"
ceph_gnocchi_pool_name: "gnocchi"
ceph_nova_pool_name: "vms"

ceph_erasure_profile: "k=4 m=2 ruleset-failure-domain=host"
ceph_rule: "default host {{ 'indep' if ceph_pool_type == 'erasure' else 'firstn' }}"
ceph_cache_rule: "cache host firstn"

# Set the pgs and pgps for pool
ceph_pool_pg_num: 128
ceph_pool_pgp_num: 128

#####################
# VMware support
######################
vmware_vcenter_host_ip: "127.0.0.1"
vmware_vcenter_host_username: "username"
vmware_vcenter_cluster_name: "cluster-1"
vmware_vcenter_insecure: "True"

######################
# OpenDaylight
######################
opendaylight_release: "0.6.2-Carbon"
opendaylight_mechanism_driver: "opendaylight_v2"
opendaylight_l3_service_plugin: "odl-router_v2"
opendaylight_acl_impl: "learn"
enable_opendaylight_qos: "no"
enable_opendaylight_l3: "{{ enable_opendaylight }}"
enable_opendaylight_legacy_netvirt_conntrack: "no"
opendaylight_port_binding_type: "pseudo-agentdb-binding"
opendaylight_features: "odl-mdsal-apidocs,odl-netvirt-openstack"
opendaylight_allowed_network_types: '"flat", "vlan", "vxlan"'

#######################################
# XenAPI - Support XenAPI for XenServer
#######################################
# XenAPI driver use HIMN(Host Internal Management Network)
# to communicate with XenServer host.
xenserver_himn_ip: "169.254.0.1"
xenserver_username: "root"
xenserver_connect_protocol: "https"
# File used to save XenAPI's facts variables formatted as json.
xenapi_facts_file: "/etc/kolla/xenapi.json"

#############################################
# MariaDB component-specific database details
#############################################
# Whether to configure haproxy to load balance
# the external MariaDB server(s)
enable_external_mariadb_load_balancer: "no"
# Whether to use pre-configured databases / users
use_preconfigured_databases: "no"
# whether to use a common, preconfigured user
# for all component databases
use_common_mariadb_user: "no"
