Master-config.yml

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External

Internal

Location

Found only on master nodes.

/etc/origin/master/master-config.yaml

Reference

admissionConfig

pluginConfig

Admission Control

Defaults in OpenShift 3.5:

admissionConfig:
  pluginConfig:
    BuildDefaults:
      configuration:
        apiVersion: v1
        env: []
        kind: BuildDefaultsConfig
        resources:
          limits: {}
          requests: {}
    BuildOverrides:
      configuration:
        apiVersion: v1
        kind: BuildOverridesConfig
    openshift.io/ImagePolicy:
      configuration:
        apiVersion: v1
        executionRules:
        - matchImageAnnotations:
          - key: images.openshift.io/deny-execution
            value: 'true'
          name: execution-denied
          onResources:
          - resource: pods
          - resource: builds
          reject: true
          skipOnResolutionFailure: true
        kind: ImagePolicyConfig

assetConfig

masterPublicURL

publicURL

The public URL of the console.

loggingPublicURL

The public URL of the logging aggregation server. See Kibana and OpenShift.

metricsPublicURL

The OpenShift web console uses the data coming from the Hawkular Metrics service to display its graphs. The URL for accessing the Hawkular Metrics service must be configured with 'metricsPublicURL' option. This URL corresponds to the route created with the 'openshift_metrics_hawkular_hostname' inventory variable used during the installation.

kubernetesMasterConfig

apiServerArguments

deserialization-cache-size

The number of OpenShift metadata entries cached in memory on the master, to avoid interaction with etcd and CPU consumption required by serialization. The default cache size is 50,000 entries, which, depending on the size of resources, can grow to occupy 1 to 2 GB of memory. For more details see etcd and Master Caching.

kubernetesMasterConfig:
  apiServerArguments:
    deserialization-cache-size:
    - "1000"

schedulerConfigFile

Specifies the path to the scheduler policy definition file. The default value is "/etc/origin/master/scheduler.json" and the default content of the scheduler.json file is scheduler.json.

servicesSubnet

The address of the SDN Services Subnet.

oauthConfig

identityProviders

policyConfig

bootstrapPolicyFile

The default value is /etc/origin/master/policy.json.

openshiftInfrastructureNamespace

Default value: "openshift-infra"

openshiftSharedResourcesNamespace

Default value: "openshift"

projectConfig

defaultNodeSelector

Configured during installation by setting

osm_default_node_selector='env=app'

in the Ansible hosts file. The result is similar to:

...
projectConfig:
  defaultNodeSelector: "env=app"
  ...