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configuration.md

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Configuration Settings

The operator supports several configuration options for controlling its interaction with Ironic.

DEPLOY_RAMDISK_URL -- The URL for the ramdisk of the image containing the Ironic agent.

DEPLOY_KERNEL_URL -- The URL for the kernel to go with the deploy ramdisk.

DEPLOY_ISO_URL -- The URL for the ISO containing the Ironic agent for drivers that support ISO boot. Optional if kernel/ramdisk are set.

IRONIC_ENDPOINT -- The URL for the operator to use when talking to Ironic.

IRONIC_INSPECTOR_ENDPOINT -- The URL for the operator to use when talking to Ironic Inspector.

IRONIC_CACERT_FILE -- The path of the CA certificate file of Ironic, if needed

IRONIC_INSECURE -- ("True", "False") Whether to skip the ironic certificate validation. It is highly recommend to not set it to True.

IRONIC_CLIENT_CERT_FILE -- The path of the Client certificate file of Ironic, if needed. Both Client certificate and Client private key must be defined for client certificate authentication (mTLS) to be enabled.

IRONIC_CLIENT_PRIVATE_KEY_FILE -- The path of the Client private key file of Ironic, if needed. Both Client certificate and Client private key must be defined for client certificate authentication (mTLS) to be enabled.

IRONIC_SKIP_CLIENT_SAN_VERIFY -- ("True", "False") Whether to skip the ironic client certificate SAN validation.

BMO_CONCURRENCY -- The number of concurrent reconciles performed by the Operator. Default is the number of CPUs, but no less than 2 and no more than 8.

PROVISIONING_LIMIT -- The desired maximum number of hosts that could be (de)provisioned simultaneously by the Operator. The Operator will try to enforce this limit, but overflows could happen in case of slow provisioners and / or higher number of concurrent reconciles. For such reasons, it is highly recommended to keep BMO_CONCURRENCY value lower than the requested PROVISIONING_LIMIT. Default is 20.

Kustomization Configuration

It is possible to deploy baremetal-operator with three different operator configurations, namely:

  1. operator with ironic
  2. operator without ironic
  3. ironic without operator

A detailed overview of the configuration is presented in Bare Metal Operator and Ironic Configuration.

Notes on external Ironic

When an external Ironic is used, the following requirements must be met:

  • Either HTTP basic or no-auth authentication must be used (Keystone is not supported).

  • API version 1.69 (Wallaby release cycle) or newer must be available.