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Overcloud Parameters

Red Hat OpenStack Platform 10

Parameters for customizing the core template collection for a Red Hat OpenStack Platform overcloud

OpenStack Documentation Team

Abstract

This guide provides parameters for customizing the overcloud in Red Hat OpenStack Platform. Use this guide in conjunction with the Advanced Overcloud Customization guide.

Chapter 1. Core Overcloud Parameters

ParameterDescription

CloudDomain

The DNS domain used for the hosts. This should match the dhcp_domain configured in the undercloud. The default value is: localdomain

CloudName

The DNS name of this cloud. The default value is: overcloud.localdomain

CloudNameCtlplane

The DNS name of this cloud’s control plane endpoint. The default value is: overcloud.ctlplane.localdomain

CloudNameInternal

The DNS name of this cloud’s internal API endpoint. The default value is: overcloud.internalapi.localdomain

CloudNameStorage

The DNS name of this cloud’s storage endpoint. E.g. ci-overcloud.storage.tripleo.org. The default value is: overcloud.storage.localdomain

CloudNameStorageManagement

The DNS name of this cloud’s storage management endpoint. The default value is: overcloud.storagemgmt.localdomain

ControlFixedIPs

Defines a fixed VIP for the Control Plane. Value uses the following format: [{ip_address:'1.2.3.4'}]

DeployIdentifier

Setting this to a unique value will re-run any deployment tasks that perform configuration on a Heat stack-update.

HypervisorNeutronPhysicalBridge

An Open vSwitch bridge to create on each hypervisor. This defaults to br-ex, which is the same as the control plane nodes. This ensures uniform configuration of the Open vSwitch agent. Typically should not need to be changed. The default value is: br-ex

HypervisorNeutronPublicInterface

What interface to add to the HypervisorNeutronPhysicalBridge. The default value is: nic1

InternalApiVirtualFixedIPs

Control the IP allocation for the InternalApiVirtualInterface port. Value uses the following format: [{ip_address:'1.2.3.4'}]

NeutronControlPlaneID

ID or name for Control Plane ctlplane network. The default value is: ctlplane

NeutronPublicInterface

The interface to attach to the external bridge. The default value is: nic1

PublicVirtualFixedIPs

Control the IP allocation for the PublicVirtualInterface port. Value uses the following format: [{ip_address:'1.2.3.4'}]

RabbitCookieSalt

Salt for the RabbitMQ cookie. Change to force the randomly generated RabbitMQ cookie to change. The default value is: unset

RedisVirtualFixedIPs

Control the IP allocation for the virtual IP used by Redis. Value uses the following format: [{ip_address:'1.2.3.4'}]

ServerMetadata

Extra properties or metadata passed to Nova for the created nodes in the overcloud. Accessible through the Nova metadata API.

StorageMgmtVirtualFixedIPs

Control the IP allocation for the StorageMgmgVirtualInterface port. Value uses the following format: [{ip_address:'1.2.3.4'}]

StorageVirtualFixedIPs

Control the IP allocation for the StorageVirtualInterface port. Value uses the following format: [{ip_address:'1.2.3.4'}]

UpdateIdentifier

Set to a previously unused value during stack-update triggers package update on all nodes.

Chapter 2. Role-Based Parameters

Substitute _ROLE_ with the name of the role. For example, for _ROLE_Count use ControllerCount.

ParameterDescription

_ROLE_Count

The number of nodes to deploy in a role.

_ROLE_HostnameFormat

Format for node hostnames. Note that %index% is translated into the index of the node (e.g 0/1/2) and %stackname% is replaced with the stack name (e.g overcloud). The default value is: %stackname%-_ROLE_-%index%

_ROLE_RemovalPolicies

List of resources to be removed from the role’s ResourceGroup when doing an update that requires removal of specific resources.

_ROLE_SchedulerHints

Optional scheduler hints to pass to OpenStack Compute (nova).

_ROLE_Services

A list of service resources (configured in the OpenStack Orchestration (heat) resource_registry) which represent nested stacks for each service that should get installed on the ROLE role.

Chapter 3. Ceph Storage Parameters

ParameterDescription

CephAdminKey

The Ceph admin client key. Can be created with: ceph-authtool --gen-print-key

CephClientKey

The Ceph client key. Currently only used for external Ceph deployments to create the openstack user keyring. Can be created with: ceph-authtool --gen-print-key

CephClusterFSID

The Ceph cluster FSID. Must be a UUID.

CephIPv6

Enables Ceph daemons to bind to IPv6 addresses. The default is: false

CephMonKey

The Ceph monitors key. Can be created with: ceph-authtool --gen-print-key

CephPoolDefaultSize

Default minimum replication for RBD copies. The default value is: 3

CephPools

Override settings for one of the predefined pools or to create additional ones. Example: { "volumes": { "size": 5, "pg_num": 128, "pgp_num": 128 } }

CinderBackupRbdPoolName

Pool to use if Block Storage (cinder) Backup is enabled. The default is: backups

CinderRbdPoolName

Pool to use for Block Storage (cinder) service. The default is: volumes

ControllerEnableCephStorage

Whether to deploy Ceph Storage (OSD) on the Controller. The default value is: False

GlanceBackend

The short name of the Glance backend to use. Set to rbd to use Ceph Storage.`

GlanceRbdPoolName

Pool to use for Image Storage (glance) service. The default is: images

GnocchiRbdPoolName

Pool to use for Telemetry storage. The default is: metrics

NovaEnableRbdBackend

Whether to enable the Ceph backend for Compute (nova). The default value is: False

NovaRbdPoolName

Pool to use for Compute storage. The default is: vms

Chapter 4. Ceph RadosGW Parameters

ParameterDescription

CephRgwKey

The cephx key for the radosgw client. Can be created with: ceph-authtool --gen-print-key

Chapter 5. Block Storage (cinder) Parameters

ParameterDescription

CinderCronDbPurgeAge

Cron to move deleted instances to another table - Age. The default value is: 30

CinderCronDbPurgeDestination

Cron to move deleted instances to another table - Log destination. The default value is: /var/log/cinder/cinder-rowsflush.log

CinderCronDbPurgeHour

Cron to move deleted instances to another table - Hour. The default value is: 0

CinderCronDbPurgeMinute

Cron to move deleted instances to another table - Minute. The default value is: 1

CinderCronDbPurgeMonth

Cron to move deleted instances to another table - Month. The default value is: "*"

CinderCronDbPurgeMonthday

Cron to move deleted instances to another table - Month Day. The default value is: "*"

CinderCronDbPurgeUser

Cron to move deleted instances to another table - User. The default value is: cinder

CinderCronDbPurgeWeekday

Cron to move deleted instances to another table - Week Day. The default value is: "*"

CinderEnableDBPurge

Whether to create cron job for purging soft deleted rows in OpenStack Block Storage (cinder) database. The default value is: True

CinderPassword

The password for the cinder service account, used by cinder-api.

NovaPassword

The password for the OpenStack Compute (nova) service and db account.

Chapter 6. Image Storage (glance) Parameters

ParameterDescription

GlanceBackend

The short name of the backend to use. Should be one of swift, rbd, or file. The default value is: swift

GlanceLogFile

The filepath of the file to use for logging messages from OpenStack Image Storage (glance).

GlanceNfsEnabled

When using GlanceBackend: file, mount NFS share for image storage. The default value is: False

GlanceNfsOptions

NFS mount options for image storage when GlanceNfsEnabled is true. The default value is: intr,context=system_u:object_r:glance_var_lib_t:s0

GlanceNfsShare

NFS share to mount for image storage when GlanceNfsEnabled is true.

GlanceNotifierStrategy

Strategy to use for OpenStack Image Storage (glance) notification queue. The default value is: noop

GlancePassword

The password for the image storage service and database account.

GlanceWorkers

Set the number of workers for the image storage service. The default value is equal to the number of CPU cores on the node. Note that more workers creates a larger number of processes on systems, which results in excess memory consumption. It is recommended to choose a suitable non-default value on systems with high CPU core counts.

Chapter 7. Orchestration (heat) Parameters

ParameterDescription

HeatAuthEncryptionKey

Auth encryption key for heat-engine.

HeatEnableDBPurge

Whether to create cron job for purging soft deleted rows in the OpenStack Orchestration (heat) database. The default value is: True

HeatPassword

The password for the Orchestration service and database account.

HeatStackDomainAdminPassword

The admin password for the OpenStack Orchestration (heat) domain in OpenStack Identity (keystone).

HeatWorkers

Number of workers for Heat service. The default value is: 0. Note that more workers creates a larger number of processes on systems, which results in excess memory consumption. It is recommended to choose a suitable non-default value on systems with high CPU core counts.

Chapter 8. Dashboard (horizon) Parameters

ParameterDescription

HorizonAllowedHosts

A list of IP/Hostname allowed to connect to horizon. The default value is: *

HorizonCustomizationModule

OpenStack Dashboard (horizon) has a global overrides mechanism available to perform customizations.

HorizonSecret

Secret key for the webserver.

HorizonVhostExtraParams

Extra parameters for OpenStack Dashboard (horizon) vhost configuration. The default value is: {'priority': 10, 'access_log_format': '%a %l %u %t \\"%r\\" %>s %b \\"%%{}{Referer}i\\" \\"%%{}{User-Agent}i\\"', 'add_listen': False}

MemcachedIPv6

Enable IPv6 features in Memcached. The default value is: False

NeutronMechanismDrivers

The mechanism drivers for the OpenStack Networking (neutron) tenant network. The default value is: openvswitch

Chapter 9. Bare Metal (ironic) Parameters

ParameterDescription

IronicCleaningDiskErase

Type of disk cleaning before and between deployments. full for full cleaning. metadata to clean only disk metadata (partition table). The default value is: full

IronicEnabledDrivers

Enabled OpenStack Bare Metal (ironic) drivers. The default value is: ['pxe_ipmitool', 'pxe_drac', 'pxe_ilo']

IronicIPXEEnabled

Whether to use iPXE instead of PXE for deployment. The default value is: True

IronicIPXEPort

Port to use for serving images when iPXE is used. The default value is: 8088

IronicPassword

The password for the Bare Metal service and database account.

Chapter 10. Identity (keystone) Parameters

ParameterDescription

AdminEmail

The email for the OpenStack Identity (keystone) admin account. The default value is: admin@example.com

AdminPassword

The password for the OpenStack Identity (keystone) admin account.

AdminToken

The OpenStack Identity (keystone) secret and database password.

KeystoneCredential0

The first OpenStack Identity (keystone) credential key. Must be a valid key.

KeystoneCredential1

The second OpenStack Identity (keystone) credential key. Must be a valid key.

KeystoneCronTokenFlushDestination

Cron to purge expired tokens - Log destination. The default value is: /var/log/keystone/keystone-tokenflush.log

KeystoneCronTokenFlushEnsure

Cron to purge expired tokens - Ensure. The default value is: present

KeystoneCronTokenFlushHour

Cron to purge expired tokens - Hour. The default value is: *

KeystoneCronTokenFlushMaxDelay

Cron to purge expired tokens - Max Delay. The default value is: 0

KeystoneCronTokenFlushMinute

Cron to purge expired tokens - Minute. The default value is: 1

KeystoneCronTokenFlushMonth

Cron to purge expired tokens - Month. The default value is: *

KeystoneCronTokenFlushMonthday

Cron to purge expired tokens - Month Day. The default value is: *

KeystoneCronTokenFlushUser

Cron to purge expired tokens - User. The default value is: keystone

KeystoneCronTokenFlushWeekday

Cron to purge expired tokens - Week Day. The default value is: *

KeystoneEnableDBPurge

Whether to create cron job for purging soft deleted rows in OpenStack Identity (keystone) database. The default value is: True

KeystoneNotificationDriver

Comma-separated list of Oslo notification drivers used by Keystone. The default value is: ['messaging']

KeystoneNotificationFormat

The OpenStack Identity (keystone) notification format. The default value is: basic

KeystoneSSLCertificate

Keystone certificate for verifying token validity.

KeystoneSSLCertificateKey

Keystone key for signing tokens.

KeystoneWorkers

Set the number of workers for the OpenStack Identity (keystone) service. The default value is equal to the number of CPU cores on the node. Note that more workers creates a larger number of processes on systems, which results in excess memory consumption. It is recommended to choose a suitable non-default value on systems with high CPU core counts.

Chapter 11. Shared File Service (manila) Parameters

ParameterDescription

ManilaPassword

The password for the shared file service account.

Chapter 12. Networking (neutron) Parameters

ParameterDescription

EnableConfigPurge

Remove configuration that is not generated by the director. Used to avoid configuration remnants after upgrades. The default value is: False

NeutronAgentExtensions

Comma-separated list of extensions enabled for the OpenStack Networking (neutron) agents. The default value is: qos

NeutronAllowL3AgentFailover

Allow automatic l3-agent failover. The default value is: True

NeutronBridgeMappings

The logical to physical bridge mappings to use. The default (datacentre:br-ex) maps br-ex (the external bridge on hosts) to a physical name datacentre, which provider networks can use (for example, the default floating network). If changing this, either use different post-install network scripts or be sure to keep datacentre as a mapping network name.

NeutronCorePlugin

The core plugin for networking. The value should be the entrypoint to be loaded from neutron.core_plugins namespace. The default value is: ml2

NeutronDBSyncExtraParams

String of extra command line parameters to append to the neutron-db-manage upgrade head command.

NeutronDhcpAgentsPerNetwork

The number of DHCP agents to schedule per network. The default value is: 0

NeutronEnableARPResponder

Enable ARP responder feature in the OVS Agent. The default value is: False

NeutronEnableDVR

Enable Distributed Virtual Router. The default value is: False

NeutronEnableForceMetadata

If True, DHCP always provides metadata route to VM. The default value is: False

NeutronEnableIsolatedMetadata

If True, DHCP allows metadata support on isolated networks. The default value is: False

NeutronEnableL2Pop

Enable/disable the L2 population feature in the OpenStack Networking (neutron) agents. The default value is: False

NeutronEnableMetadataNetwork

If True, DHCP provides metadata network. Requires either NeutronEnableIsolatedMetadata or NeutronEnableForceMetadata parameters to also be True. The default value is: False

NeutronExternalNetworkBridge

Name of bridge used for external network traffic. The default value is: br-ex

NeutronFirewallDriver

Firewall driver for realizing OpenStack Networking (neutron) security group function. The default value is: openvswitch

NeutronFlatNetworks

Sets the flat network name to configure in plugins. The default value is: datacentre

NeutronGlobalPhysnetMtu

MTU of the underlying physical network. OpenStack Networking (neutron) uses this value to calculate MTU for all virtual network components. For flat and VLAN networks, OpenStack Networking uses this value without modification. For overlay networks such as VXLAN, OpenStack Networking automatically subtracts the overlay protocol overhead from this value. The default value is: 1500

NeutronL3AgentMode

Agent mode for L3 agent. Must be legacy or dvr_snat. The default value is: legacy

NeutronMechanismDrivers

The mechanism drivers for the tenant network. The default value is: openvswitch

NeutronMetadataProxySharedSecret

Shared secret to prevent spoofing.

NeutronNetworkType

The tenant network type. The default value is: vxlan

NeutronNetworkVLANRanges

The Neutron ML2 and Open vSwitch VLAN mapping range to support. Defaults to permitting any VLAN on the datacentre physical network (See NeutronBridgeMappings). The default value is: datacentre:1:1000

NeutronOVSFirewallDriver

Configure the classname of the firewall driver to use for implementing security groups. Possible values depend on system configuration. Some examples are: noop, openvswitch, iptables_hybrid. The default value of an empty string results in a default supported configuration.

NeutronPassword

The password for the OpenStack Networking (neutron) service and database account.

NeutronPluginExtensions

Comma-separated list of enabled extension plugins. The default value is: qos,port_security

NeutronServicePlugins

Comma-separated list of service plugin entrypoints. The default value is: router,qos,trunk

NeutronSupportedPCIVendorDevs

List of supported pci vendor devices in the format VendorID:ProductID. By default Intel & Mellanox SR-IOV capable NICs are supported. The default value is: ['15b3:1004', '8086:10ca']

NeutronTunnelIdRanges

Comma-separated list of <tun_min>:<tun_max> tuples enumerating ranges of GRE tunnel IDs that are available for tenant network allocation. The default value is: ['1:4094']

NeutronTunnelTypes

The tunnel types for the tenant network. The default value is: vxlan

NeutronTypeDrivers

Comma-separated list of network type driver entrypoints to be loaded. The default value is: vxlan,vlan,flat,gre

NeutronVniRanges

Comma-separated list of <vni_min>:<vni_max> tuples enumerating ranges of VXLAN VNI IDs that are available for tenant network allocation. The default value is: ['1:4094']

NeutronWorkers

Sets the number of API and RPC workers for the OpenStack Networking service. The default value is equal to the number of CPU cores on the node. Note that more workers creates a larger number of processes on systems, which results in excess memory consumption. It is recommended to choose a suitable non-default value on systems with high CPU core counts.

Chapter 13. Compute (nova) Parameters

ParameterDescription

EnableConfigPurge

Remove configuration that is not generated by the director. Used to avoid configuration remnants after upgrades. The default value is: False

InstanceNameTemplate

Template string to be used to generate instance names. The default value is: instance-%08x

MigrationSshKey

SSH key for migration. Expects a dictionary with keys public_key and private_key. Values should be identical to SSH public/private key files.

NeutronMetadataProxySharedSecret

Shared secret to prevent spoofing.

NovaComputeLibvirtType

Libvirt domain type. Defaults to kvm.

NovaComputeLibvirtVifDriver

Libvirt VIF driver configuration for the network.

NovaEnableDBPurge

Whether to create cron job for purging soft deleted rows in OpenStack Compute (nova) database. The default value is: True

NovaIPv6

Enable IPv6 features for OpenStack Compute (nova). The default is: false

NovaLibvirtRxQueueSize

Virtio-net RX queue size. Valid values are 256, 512, 1024. The default value is: 512

NovaLibvirtTxQueueSize

Virtio-net TX queue size. Valid values are 256, 512, 1024. The default value is: 512

NovaOVSBridge

Name of integration bridge used by Open vSwitch. The default value is: br-int

NovaPCIPassthrough

YAML list of PCI passthrough whitelist parameters.

NovaPassword

The password for the OpenStack Compute (nova) service and database account.

NovaReservedHostMemory

Reserved RAM for host processes. The default value is: 2048

NovaSchedulerAvailableFilters

List of available filters for OpenStack Compute (nova) to use to filter nodes.

NovaSchedulerDefaultFilters

An array of filters OpenStack Compute (nova) uses to filter a node. OpenStack Compute applies these filters in the order they are listed. Place your most restrictive filters first to make the filtering process more efficient.

NovaVcpuPinSet

A list or range of physical CPU cores to reserve for virtual machine processes. For example, NovaVcpuPinSet: [4-12,^8] reserves cores from 4-12 excluding 8.

NovaWorkers

Number of workers for the Compute’s Conductor service. The default value is: 0. Note that more workers creates a larger number of processes on systems, which results in excess memory consumption.

UpgradeLevelNovaCompute

OpenStack Compute upgrade level. The default value is: auto

Chapter 14. Clustering (sahara) Parameters

ParameterDescription

SaharaPassword

The password for the clusting service and database account.

SaharaWorkers

Set the number of workers for the clustering service. The default value is: 0. Note that more workers creates a larger number of processes on systems, which results in excess memory consumption. It is recommended to choose a suitable non-default value on systems with high CPU core counts.

Chapter 15. Object Storage (swift) Parameters

ParameterDescription

ControllerEnableSwiftStorage

Whether to enable object storage on Controller nodes. The default value is: True

SwiftCeilometerIgnoreProjects

Comma-separated list of project names to ignore. The default value is: ['service']

SwiftHashSuffix

A random string to be used as a salt when hashing to determine mappings in the ring.

SwiftMinPartHours

The minimum time (in hours) before a partition in a ring can be moved following a rebalance. The default value is: 1

SwiftMountCheck

Check if the devices are mounted to prevent accidentally writing to the root device. The default value is: False

SwiftPartPower

Partition power to use when building object storage rings. The default value is: 10

SwiftPassword

The password for the object storage service account.

SwiftProxyNodeTimeout

Timeout for requests going from swift-proxy to account, container, and object services. The default value is: 60

SwiftRawDisks

Additional raw devices to use for the object storage backend. For example: {sdb: {}}

SwiftReplicas

Number of replicas to use in the object storage rings. The default value is: 3

SwiftRingBuild

Whether to manage object storage rings or not. The default value is: True

SwiftRingGetTempurl

A temporary OpenStack Object Storage (swift) URL to download rings from.

SwiftRingPutTempurl

A temporary OpenStack Object Storage (swift) URL to upload rings to.

SwiftUseLocalDir

Use a local directory for object storage services when building rings. The default value is: True

SwiftWorkers

Number of workers for object storage service. The default value is: 0. Note that more workers creates a larger number of processes on systems, which results in excess memory consumption. It is recommended to choose a suitable non-default value on systems with high CPU core counts.

Chapter 16. Telemetry (ceilometer, gnocchi, aodh) Parameters

ParameterDescription

AodhPassword

The password for the OpenStack Telemetry Alarming (aodh) services.

CeilometerBackend

The Telemetry backend type. The default value is: mongodb

CeilometerEventDispatcher

Comma-separated list of Dispatchers to process events data. The default value is: ['gnocchi', 'database']

CeilometerEventsTTL

Number of seconds before database can expire the events data. The default value is: -1

CeilometerMeterDispatcher

Dispatcher to process meter data. The default value is: gnocchi

CeilometerMeteringSecret

Secret shared by the Telemetry services.

CeilometerPassword

The password for the Telemetry service account.

CeilometerStoreEvents

Whether to store events in ceilometer. The default value is: False

CeilometerWorkers

Number of workers for the Telemetry service. The default value is: 0. Note that more workers creates a larger number of processes on systems, which results in excess memory consumption. It is recommended to choose a suitable non-default value on systems with high CPU core counts.

EnableCombinationAlarms

Combination alarms are deprecated in Newton, hence disabled by default. To enable, set this parameter to true. The default value is: False

GnocchiBackend

The short name of the OpenStack Telemetry Metrics (gnocchi) backend to use. Should be one of swift, rbd, or file. The default value is: swift

GnocchiFileBasePath

Path to use when file driver is used. This could be NFS or a flat file. The default value is: /var/lib/gnocchi

GnocchiIndexerBackend

The short name of the OpenStack Telemetry Metrics (gnocchi) indexer backend to use. The default value is: mysql

GnocchiMetricdWorkers

Number of workers for OpenStack Telemetry Metrics (gnocchi). The default value is equal to the number of CPU cores on the node. Note that more workers creates a larger number of processes on systems, which results in excess memory consumption. It is recommended to choose a suitable non-default value on systems with high CPU core counts.

GnocchiPassword

The password for the OpenStack Telemetry Metrics (gnocchi) service and database account.

MetricProcessingDelay

Delay between processing metrics. The default value is: 30

MongoDbIPv6

Enable IPv6 if MongoDB VIP is IPv6. The default value is: False

MongoDbNoJournal

Should MongoDb journaling be disabled. The default value is: False

Chapter 17. Time Parameters

ParameterDescription

NtpServer

NTP servers list. The default value is: ['pool.ntp.org']

TimeZone

The timezone to be set on the overcloud. The default value is: UTC

Chapter 18. Deprecated parameters from the previous version

appendix

The following parameters are deprecated from the previous version of Red Hat OpenStack Platform. In most cases, new parameters specific to composable services have replaced these deprecated parameters.

ParameterDescription

CeilometerComputeAgent

Indicates whether the Compute agent is present and expects nova-compute to be configured accordingly.

CinderBackendConfig

Contains parameters to configure OpenStack Block Storage (cinder) backends.

CinderWorkers

Number of workers for OpenStack Block Storage (cinder) service. The default value is: 0

EnableCephStorage

Whether to deploy Ceph Storage (OSD) on the Controller. The default value is: False

EnableSwiftStorage

Whether to enable OpenStack Object Storage (swift) on the Controller. The default value is: True

HashSuffix

A random string to be used as a salt when hashing to determine mappings in the OpenStack Object Storage (swift) ring.

InotifyInstancesMax

Configures sysctl fs.inotify.max_user_instances key. The default value is: 1024

KeystoneCACertificate

OpenStack Identity (keystone) self-signed certificate authority certificate.

KeystoneSigningCertificate

OpenStack Identity (keystone) certificate for verifying token validity.

KeystoneSigningKey

OpenStack Identity (keystone) key for signing tokens.

MinPartHours

The minimum time (in hours) before a partition in a ring can be moved following a rebalance. The default value is: 1

MountCheck

Value of mount_check in OpenStack Object Storage (swift) account, container, and object configuration. The default value is: false

MysqlClusterUniquePart

A unique identifier of the MySQL cluster the controller is in. The default value is: unset

MysqlInnodbBufferPoolSize

Specifies the size of the buffer pool in megabytes. Setting to zero should be interpreted as "no value" and will defer to the lower level default. The default value is: 0

NeutronAgentMode

Agent mode for the neutron-l3-agent on the controller hosts. The default value is: dvr_snat

NeutronComputeAgentMode

Agent mode for the neutron-l3-agent on the compute hosts. The default value is: dvr

NeutronDVR

Whether to configure OpenStack Networking (neutron) Distributed Virtual Routers. The default value is: False

NeutronDnsmasqOptions

Allows configuration options to be passed to the dnsmasq instances used by the OpenStack Networking (neutron) DHCP agent. For OpenStack Platform 9 and later releases, providing MTU overrides through the NeutronDnsmasqOptions is not recommended as OpenStack Networking (neutron) will provide MTU values to guests based on the tenant network they are connected to and automatically consider tenant network overhead in this value (e.g. GRE and VXLAN overhead).

NeutronEnableDHCPAgent

Option to enable/disable DHCP Agent. The default value is: True

NeutronEnableL3Agent

Option to enable/disable L3 agent. The default value is: True

NeutronEnableMetadataAgent

Option to enable/disable Metadata agent. The default value is: True

NeutronEnableOVSAgent

Option to enable/disable OVS Agent. The default value is: True

NeutronEnableTunnelling

Option to enable/disable tunnelling in OpenStack Networking (neutron).

NeutronPublicInterfaceDefaultRoute

A custom default route for the NeutronPublicInterface.

NeutronPublicInterfaceIP

A custom IP address to put onto the NeutronPublicInterface.

NeutronPublicInterfaceRawDevice

If set, the public interface is a VLAN with this device as the raw device.

NeutronPublicInterfaceTag

VLAN tag for creating a public VLAN. The tag will be used to create an access port on the exterior bridge for each control plane node, and that port will be given the IP address returned by OpenStack Networking (neutron) from the public network.

NeutronTenantMtu

This value sets the OpenStack Networking (neutron) path_mtu configuration option. For OpenStack Platform 9 and later releases, if left empty or set to 0, OpenStack Networking (neutron) uses the value defined for global_physnet_mtu as the maximum MTU for tenant network traffic (which currently defaults to 1500). OpenStack Networking (neutron) also automatically adjusts the MTU used for guests for tenant network types that add overhead (e.g. GRE and VXLAN).

NovaComputeDriver

The OpenStack Compute (nova) driver to use. The default is: libvirt.LibvirtDriver

NovaComputeLibvirtDisableTcp

SSH migration has replaced this option. See https://access.redhat.com/solutions/3022771 for additional details. The default value is: False

NovaPublicIP

Public IP address to pass to OpenStack Compute (nova).

NovaSecurityGroupAPI

The full class name of the security API class. The default value is: neutron

PartPower

Partition Power to use when building OpenStack Object Storage (swift) rings. The default value is: 10

Replicas

How many replicas to use in the OpenStack Object Storage (swift) rings. The default value is: 3

RingBuild

Whether to manage OpenStack Object Storage (swift) rings or not. The default value is: True

SchedulerHints

Optional scheduler hints to pass to nova.

SnmpdConfigOverride

An array of SNMP config.