/home/zuul/src/opendev.org/openstack/openstack-ansible-os_nova/defaults/main.yml
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---
# Copyright 2014, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


# Enable/Disable barbican configurations
nova_barbican_enabled: False
# Enable/Disable designate configurations
nova_designate_enabled: False
# Notification topics for designate.
nova_notifications_designate: notifications_designate
# Enable/Disable ceilometer configurations
nova_ceilometer_enabled: False
# Enable/Disable nova versioned notification
nova_versioned_notification_enabled: False

## Verbosity Options
debug: False

# Set the host which will execute the shade modules
# for the service setup. The host must already have
# clouds.yaml properly configured.
nova_service_setup_host: "{{ openstack_service_setup_host | default('localhost') }}"
nova_service_setup_host_python_interpreter: "{{ openstack_service_setup_host_python_interpreter | default((nova_service_setup_host == 'localhost') | ternary(ansible_playbook_python, ansible_python['executable'])) }}"

# Set the host which will run compute initialization tasks such as checking
# for a compute node to be up and running cell discovery.
nova_conductor_setup_host: "{{ groups[nova_services['nova-conductor']['group']][0] }}"

# Set the package install state for distribution and pip packages
# Options are 'present' and 'latest'
nova_package_state: "latest"
nova_pip_package_state: "latest"

# Set installation method.
nova_install_method: "source"
nova_venv_python_executable: "{{ openstack_venv_python_executable | default('python2') }}"

nova_git_repo: https://opendev.org/openstack/nova
nova_git_install_branch: master

nova_upper_constraints_url: "{{ requirements_git_url | default('https://releases.openstack.org/constraints/upper/' ~ requirements_git_install_branch | default('master')) }}"
nova_git_constraints:
  - "git+{{ nova_git_repo }}@{{ nova_git_install_branch }}#egg=nova"
  - "--constraint {{ nova_upper_constraints_url }}"
nova_pip_install_args: "{{ pip_install_options | default('') }}"

# Name of the virtual env to deploy into
nova_venv_tag: "{{ venv_tag | default('untagged') }}"
nova_bin: "{{ _nova_bin }}"

## Nova user information
nova_system_user_name: nova
nova_system_group_name: nova
nova_system_shell: /bin/bash
nova_system_comment: nova system user
nova_system_home_folder: "/var/lib/{{ nova_system_user_name }}"
nova_libvirt_save_path: "{{ nova_system_home_folder }}/save"

nova_lock_path: "/var/lock/nova"

## Manually specified nova UID/GID
# Deployers can specify a UID for the nova user as well as the GID for the
# nova group if needed. This is commonly used in environments where shared
# storage is used, such as NFS or GlusterFS, and nova UID/GID values must be
# in sync between multiple servers.
#
# WARNING: Changing these values on an existing deployment can lead to
#          failures, errors, and instability.
#
# nova_system_user_uid = <UID>
# nova_system_group_gid = <GID>

## Database info
nova_db_setup_host: "{{ ('galera_all' in groups) | ternary(groups['galera_all'][0], 'localhost') }}"
nova_galera_address: "{{ galera_address | default('127.0.0.1') }}"
nova_galera_user: nova
nova_galera_database: nova
nova_db_max_overflow: 10
nova_db_max_pool_size: 120
nova_db_pool_timeout: 30
# Toggle whether nova connects via an encrypted connection
nova_galera_use_ssl: "{{ galera_use_ssl | default(False) }}"
# The path where to store the database server CA certificate
nova_galera_ssl_ca_cert: "{{ galera_ssl_ca_cert | default('/etc/ssl/certs/galera-ca.pem') }}"

## DB API
nova_api_galera_address: "{{ nova_galera_address }}"
nova_api_galera_user: nova_api
nova_api_galera_database: nova_api
nova_api_db_max_overflow: 10
nova_api_db_max_pool_size: 120
nova_api_db_pool_timeout: 30

## DB Cells
nova_cell0_database: "nova_cell0"
nova_cell1_name: "cell1"

## Oslo Messaging

# RPC
nova_oslomsg_rpc_host_group: "{{ oslomsg_rpc_host_group | default('rabbitmq_all') }}"
nova_oslomsg_rpc_setup_host: "{{ (nova_oslomsg_rpc_host_group in groups) | ternary(groups[nova_oslomsg_rpc_host_group][0], 'localhost') }}"
nova_oslomsg_rpc_transport: "{{ oslomsg_rpc_transport | default('rabbit') }}"
nova_oslomsg_rpc_servers: "{{ oslomsg_rpc_servers | default('127.0.0.1') }}"
nova_oslomsg_rpc_port: "{{ oslomsg_rpc_port | default('5672') }}"
nova_oslomsg_rpc_use_ssl: "{{ oslomsg_rpc_use_ssl | default(False) }}"
nova_oslomsg_rpc_userid: nova
nova_oslomsg_rpc_vhost: /nova

# Notify
nova_oslomsg_notify_host_group: "{{ oslomsg_notify_host_group | default('rabbitmq_all') }}"
nova_oslomsg_notify_setup_host: "{{ (nova_oslomsg_notify_host_group in groups) | ternary(groups[nova_oslomsg_notify_host_group][0], 'localhost') }}"
nova_oslomsg_notify_transport: "{{ oslomsg_notify_transport | default('rabbit') }}"
nova_oslomsg_notify_servers: "{{ oslomsg_notify_servers | default('127.0.0.1') }}"
nova_oslomsg_notify_port: "{{ oslomsg_notify_port | default('5672') }}"
nova_oslomsg_notify_use_ssl: "{{ oslomsg_notify_use_ssl | default(False) }}"
nova_oslomsg_notify_userid: "{{ nova_oslomsg_rpc_userid }}"
nova_oslomsg_notify_password: "{{ nova_oslomsg_rpc_password }}"
nova_oslomsg_notify_vhost: "{{ nova_oslomsg_rpc_vhost }}"

## Qdrouterd info
# TODO(ansmith): Change structure when more backends will be supported
nova_oslomsg_amqp1_enabled: "{{ nova_oslomsg_rpc_transport == 'amqp' }}"

## Nova virtualization Types
# The nova_virt_types dictionary contains global overrides used for
#  specific compute types. Every variable inside of this dictionary
#  will become an ansible fact. This gives the user the option to set
#  or customize things based on their needs without having to redefine
#  this entire data structure. Every supported compute type will be
#  have its specific variable requirements set under its short name.
nova_virt_types:
  ironic:
    nova_compute_driver: ironic.IronicDriver
    nova_reserved_host_memory_mb: 0
    nova_scheduler_tracks_instance_changes: False
  kvm:
    nova_compute_driver: libvirt.LibvirtDriver
    nova_reserved_host_memory_mb: 2048
    nova_scheduler_tracks_instance_changes: True
  qemu:
    nova_compute_driver: libvirt.LibvirtDriver
    nova_reserved_host_memory_mb: 2048
    nova_scheduler_tracks_instance_changes: True
    nova_cpu_mode: "none"


# If this is not set, then the playbook will try to guess it.
#nova_virt_type: kvm

# Enable Kernel Shared Memory (KSM)
nova_compute_ksm_enabled: False

#if set, nova_virt_type must be one of these:
nova_supported_virt_types:
  - qemu
  - kvm
  - ironic

## Nova Auth
nova_service_region: RegionOne
nova_service_project_name: "service"
nova_service_project_domain_id: default
nova_service_user_domain_id: default
nova_service_user_name: "nova"
nova_service_role_name: "admin"

## Keystone authentication middleware
nova_keystone_auth_plugin: password

## Nova enabled apis
nova_enabled_apis: "osapi_compute,metadata"

## Nova v2.1
nova_service_name: nova
nova_service_type: compute
nova_service_proto: http
nova_service_publicuri_proto: "{{ openstack_service_publicuri_proto | default(nova_service_proto) }}"
nova_service_adminuri_proto: "{{ openstack_service_adminuri_proto | default(nova_service_proto) }}"
nova_service_internaluri_proto: "{{ openstack_service_internaluri_proto | default(nova_service_proto) }}"
nova_service_bind_address: "{{ openstack_service_bind_address | default('0.0.0.0') }}"
nova_service_port: 8774
nova_service_description: "Nova Compute Service"
nova_service_publicuri: "{{ nova_service_publicuri_proto }}://{{ external_lb_vip_address }}:{{ nova_service_port }}"
nova_service_publicurl: "{{ nova_service_publicuri }}/v2.1"
nova_service_adminuri: "{{ nova_service_adminuri_proto }}://{{ internal_lb_vip_address }}:{{ nova_service_port }}"
nova_service_adminurl: "{{ nova_service_adminuri }}/v2.1"
nova_service_internaluri: "{{ nova_service_internaluri_proto }}://{{ internal_lb_vip_address }}:{{ nova_service_port }}"
nova_service_internalurl: "{{ nova_service_internaluri }}/v2.1"

## Nova spice
nova_spice_html5proxy_base_proto: "{{ openstack_service_publicuri_proto | default('http') }}"
nova_spice_html5proxy_base_port: 6082
nova_spice_html5proxy_base_uri: "{{ nova_spice_html5proxy_base_proto }}://{{ external_lb_vip_address }}:{{ nova_spice_html5proxy_base_port }}"
nova_spice_html5proxy_base_url: "{{ nova_spice_html5proxy_base_uri }}/spice_auto.html"
nova_spice_console_agent_enabled: "{{ ansible_architecture != 'aarch64' }}"
nova_spicehtml5_git_repo: https://gitlab.freedesktop.org/spice/spice-html5.git
nova_spicehtml5_git_install_branch: master

## Nova novnc
nova_novncproxy_proto: "{{ openstack_service_publicuri_proto | default('http') }}"
nova_novncproxy_port: 6080
nova_novncproxy_base_uri: "{{ nova_novncproxy_proto }}://{{ external_lb_vip_address }}:{{ nova_novncproxy_port }}"
nova_novncproxy_base_url: "{{ nova_novncproxy_base_uri }}/vnc_lite.html"
nova_novncproxy_vncserver_proxyclient_address: "{{ ansible_host }}"
nova_novncproxy_vncserver_listen: "{{ ansible_host }}"
nova_novncproxy_agent_enabled: True
nova_novncproxy_git_repo: "{{ novncproxy_git_repo | default('https://github.com/novnc/noVNC') }}"
nova_novncproxy_git_install_branch: "{{ novncproxy_git_install_branch | default('master') }}"

## Nova serialconsole
nova_serialconsoleproxy_proto: "ws"
nova_serialconsoleproxy_port: 6083
nova_serialconsoleproxy_port_range: 10000:20000
nova_serialconsoleproxy_base_uri: "{{ nova_serialconsoleproxy_proto }}://{{ external_lb_vip_address }}:{{ nova_serialconsoleproxy_port }}"
nova_serialconsoleproxy_base_url: "{{ nova_serialconsoleproxy_base_uri }}"
nova_serialconsoleproxy_serialconsole_proxyserver_proxyclient_address: "{{ ansible_host }}"
nova_serialconsoleproxy_enabled: True

## Nova metadata
nova_metadata_proxy_enabled: "{{ nova_network_services[nova_network_type]['metadata_proxy_enabled'] | bool }}"
nova_metadata_bind_address: "{{ openstack_service_bind_address | default('0.0.0.0') }}"
nova_metadata_port: 8775

## Nova compute
nova_nested_virt_enabled: False

# Uwsgi settings
nova_wsgi_processes_max: 16
nova_wsgi_processes: "{{ [[ansible_processor_vcpus|default(1), 1] | max * 2, nova_wsgi_processes_max] | min }}"
nova_wsgi_threads: 1

## Nova libvirt
# Warning: If nova_libvirt_inject_key or nova_libvirt_inject_password are enabled for Ubuntu compute hosts
# then the kernel will be made readable to nova user (a requirement for libguestfs).
# See Launchpad bugs 1507915 (Nova), 759725 (Ubuntu), and http://libguestfs.org/guestfs-faq.1.html
nova_libvirt_inject_key: False
# inject partition options:
#  -2 => disable, -1 => inspect (libguestfs only), 0 => not partitioned, >0 => partition number
nova_libvirt_inject_partition: -2
nova_libvirt_inject_password: False
nova_libvirt_disk_cachemodes: '{{ nova_libvirt_images_rbd_pool is defined | ternary("network=writeback", "") }}'
nova_libvirt_hw_disk_discard: '{{ nova_libvirt_images_rbd_pool is defined | ternary("unmap", "ignore") }}'

## Nova console
nova_console_agent_enabled: True
# Set the console type. Presently the only options are ["spice", "novnc", "serialconsole"].
nova_console_type: "{{ (ansible_architecture == 'aarch64') | ternary('serialconsole', 'novnc') }}"

# Nova console ssl info, presently only used by novnc console type
nova_console_ssl_dir: "/etc/nova/ssl"
nova_console_ssl_cert: "{{ nova_console_ssl_dir }}/nova-console.pem"
nova_console_ssl_key: "{{ nova_console_ssl_dir }}/nova-console.key"

# Set to true when terminating SSL/TLS at a load balancer
nova_external_ssl: false

# External SSL forwarding proto
nova_secure_proxy_ssl_header: HTTP_X_FORWARDED_PROTO

## Nova global config
nova_image_cache_manager_interval: 0

# Comma separated list of Glance API servers
nova_glance_api_servers: "{{ (glance_service_internalurl | default('http://localhost')) | urlsplit('scheme') ~ '://' ~ (glance_service_internalurl | default('http://localhost')) | urlsplit('netloc') }}"

nova_network_type: linuxbridge

nova_network_services:
  linuxbridge:
    use_forwarded_for: False
    metadata_proxy_enabled: True
  nuage:
    use_forwarded_for: True
    metadata_proxy_enabled: True
    ovs_bridge: alubr0
  calico:
    use_forwarded_for: True
    metadata_proxy_enabled: False

# Nova Scheduler
nova_cpu_allocation_ratio: 2.0
nova_disk_allocation_ratio: 1.0
nova_max_io_ops_per_host: 10
nova_ram_allocation_ratio: 1.0
nova_ram_weight_multiplier: 5.0
nova_reserved_host_disk_mb: 2048

nova_scheduler_host_subset_size: 10
nova_scheduler_max_attempts: 5
nova_scheduler_default_filters: >-
  AvailabilityZoneFilter,
  ComputeFilter,
  AggregateNumInstancesFilter,
  AggregateIoOpsFilter,
  ComputeCapabilitiesFilter,
  ImagePropertiesFilter,
  ServerGroupAntiAffinityFilter,
  ServerGroupAffinityFilter,
  NUMATopologyFilter

# This should be tuned depending on the number of compute hosts present in the
# deployment. Large clouds may wish to disable automatic discovery by setting
# this value to -1.
nova_discover_hosts_in_cells_interval: "{{ 300 if groups['nova_compute'] | length > 10 else 60 }}"

# If you want to regenerate the nova users SSH keys, on each run, set this var to True
# Otherwise keys will be generated on the first run and not regenerated each run.
nova_recreate_keys: False

# Define nfs information to enable nfs shares as mounted directories for
# nova. The ``nova_nfs_client`` value is a list of dictionaries that must
# be filled out completely to enable the persistent NFS mounts.
#
# Example of the expected dict structure:
# nova_nfs_client:
#   - server: "127.0.0.1"                   ## Hostname or IP address of NFS Server
#     remote_path: "/instances"             ## Remote path from the NFS server's export
#     local_path: "/var/lib/nova/instances" ## Local path on machine
#     type: "nfs"                           ## This can be nfs or nfs4
#     options: "_netdev,auto"               ## Mount options
#     config_overrides: "{}"                ## Override dictionary for unit file
nova_nfs_client: []

# Nova Ceph rbd
# Enble and define nova_libvirt_images_rbd_pool to use rbd as nova backend
#nova_libvirt_images_rbd_pool: vms
nova_ceph_client: '{{ cinder_ceph_client }}'
# TODO(odyssey4me) - the uuid should be removed, there should be no defaults for secrets
nova_ceph_client_uuid: 517a4663-3927-44bc-9ea7-4a90e1cd4c66

# Enabled upstream if RBD is in use on cinder backends, which requires that
# ceph be deployed on the nova compute hosts to enable volume backed instances.
nova_cinder_rbd_inuse: False

# Used to determine if we need a Ceph client
nova_rbd_inuse: "{{ (nova_libvirt_images_rbd_pool is defined) or (nova_cinder_rbd_inuse | bool) }}"

## General Nova configuration
# If ``nova_conductor_workers`` is unset the system will use half the number of available VCPUS to
# compute the number of api workers to use.
# nova_conductor_workers: 16

# If ``nova_scheduler_workers`` is unset the system will use half the number of available VCPUS to
# compute the number of api workers to use.
# nova_scheduler_workers: 16

## Cap the maximun number of threads / workers when a user value is unspecified.
nova_api_threads_max: 16
nova_api_threads: "{{ [[ansible_processor_vcpus|default(2) // 2, 1] | max, nova_api_threads_max] | min }}"

## Policy vars
# Provide a list of access controls to update the default policy.json with. These changes will be merged
# with the access controls in the default policy.json. E.g.
#nova_policy_overrides:
#  "compute:create": ""
#  "compute:create:attach_network": ""

nova_service_in_ldap: false

## libvirtd config options
nova_libvirtd_listen_tls: 1
nova_libvirtd_listen_tcp: 0
nova_libvirtd_auth_tcp: sasl
nova_libvirtd_debug_log_filters: "3:remote 4:event 3:json 3:rpc"

nova_api_metadata_init_overrides: {}
nova_api_os_compute_init_overrides: {}
nova_compute_init_overrides: {}
nova_conductor_init_overrides: {}
nova_novncproxy_init_overrides: {}
nova_scheduler_init_overrides: {}
nova_spicehtml5proxy_init_overrides: {}
nova_serialproxy_init_overrides: {}

## Service Name-Group Mapping
nova_services:
  nova-api-metadata:
    group: nova_api_metadata
    service_name: nova-api-metadata
    init_config_overrides: "{{ nova_api_metadata_init_overrides }}"
    start_order: 5
    wsgi_app: True
    uwsgi_overrides: "{{ nova_api_metadata_uwsgi_ini_overrides }}"
    uwsgi_bind_address: "{{ nova_metadata_bind_address }}"
    uwsgi_port: "{{ nova_metadata_port }}"
    wsgi_name: nova-metadata-wsgi
  nova-api-os-compute:
    group: nova_api_os_compute
    service_name: nova-api-os-compute
    init_config_overrides: "{{ {'Install': {'Alias': 'nova-api.service'}} | combine(nova_api_os_compute_init_overrides) }}"
    start_order: 4
    wsgi_app: True
    uwsgi_overrides: "{{ nova_api_os_compute_uwsgi_ini_overrides }}"
    uwsgi_bind_address: "{{ nova_service_bind_address }}"
    uwsgi_port: "{{ nova_service_port }}"
    wsgi_name: nova-api-wsgi
  nova-compute:
    group: nova_compute
    service_name: nova-compute
    init_config_overrides: "{{ nova_compute_init_overrides }}"
    start_order: 6
    execstarts: "{{ nova_bin }}/nova-compute"
    execreloads: "/bin/kill -HUP $MAINPID"
    after_targets:
      - libvirtd.service
      - syslog.target
      - network.target
  nova-conductor:
    group: nova_conductor
    service_name: nova-conductor
    init_config_overrides: "{{ nova_conductor_init_overrides }}"
    start_order: 2
    execstarts: "{{ nova_bin }}/nova-conductor"
    execreloads: "/bin/kill -HUP $MAINPID"
  nova-novncproxy:
    group: nova_console
    service_name: nova-novncproxy
    init_config_overrides: "{{ nova_novncproxy_init_overrides }}"
    condition: "{{ nova_console_type == 'novnc' }}"
    start_order: 5
    execstarts: "{{ nova_bin }}/nova-novncproxy"
  nova-scheduler:
    group: nova_scheduler
    service_name: nova-scheduler
    init_config_overrides: "{{ nova_scheduler_init_overrides }}"
    start_order: 3
    execstarts: "{{ nova_bin }}/nova-scheduler"
    execreloads: "/bin/kill -HUP $MAINPID"
  nova-spicehtml5proxy:
    group: nova_console
    service_name: nova-spicehtml5proxy
    init_config_overrides: "{{ {'Install': {'Alias': 'nova-spiceproxy.service'}} | combine(nova_spicehtml5proxy_init_overrides) }}"
    condition: "{{ nova_console_type == 'spice' }}"
    start_order: 5
    execstarts: "{{ nova_bin }}/nova-spicehtml5proxy"
  nova-serialconsole-proxy:
    group: nova_console
    service_name: nova-serialproxy
    init_config_overrides: "{{ nova_serialproxy_init_overrides }}"
    condition: "{{ nova_console_type == 'serialconsole' }}"
    start_order: 5
    execstarts: "{{ nova_bin }}/nova-serialproxy"

nova_novnc_pip_packages:
  - websockify

nova_compute_ironic_pip_packages:
  - python-ironicclient

# Common pip packages
nova_pip_packages:
  - nova
  - osprofiler
  - PyMySQL
  - python-memcached
  - systemd-python

# Specific pip packages provided by the user
nova_user_pip_packages: []

nova_optional_oslomsg_amqp1_pip_packages:
  - oslo.messaging[amqp1]

nova_qemu_user: libvirt-qemu
nova_qemu_group: kvm

# Define the following variable to drop a replacement
# file for /etc/libvirt/qemu.conf
#qemu_conf_dict: {}

# This variable is used by the repo_build process to determine
# which host group to check for members of before building the
# pip packages required by this role. The value is picked up
# by the py_pkgs lookup.
nova_role_project_group: nova_all

## Tunable overrides
nova_nova_conf_overrides: {}
nova_rootwrap_conf_overrides: {}
nova_api_paste_ini_overrides: {}
nova_policy_overrides: {}
nova_vendor_data_overrides: {}
nova_api_metadata_uwsgi_ini_overrides: {}
nova_api_os_compute_uwsgi_ini_overrides: {}

# PCI devices passthrough to nova
# For SR-IOV please use:
#   nova_pci_passthrough_whitelist: '{ "physical_network": "<ml2 network name>", "devname": "<physical nic>" }'
#   Example:
#     nova_pci_passthrough_whitelist: '{ "physical_network": "physnet1", "devname": "p1p1" }'
nova_pci_passthrough_whitelist: {}
# PCI alias,
# Example:
# nova_pci_alias:
#  - '{ "name": "card-alias1", "product_id": "XXXX", "vendor_id": "XXXX" }'
#  - '{ "name": "card-alias2", "product_id": "XXXY", "vendor_id": "XXXY" }'
nova_pci_alias: []