Configure multiple Contrail API workers¶

TechPreview

Tungsten Fabric MOSK deployments use six workers of the contrail-api service by default. This section instructs you on how to change the default configuration if needed.

To configure the number of Contrail API workers on a TF deployment:

Specify the required number of workers in the TFOperator custom resource:

API v2 Available since MOSK 24.1

spec:
 features:
   config:
     configApiWorkerCount: 7

API v1alpha1 Removed in MOSK 25.1

spec:
  controllers:
    tf-config:
      api:
        containers:
        - env:
          - name: CONFIG_API_WORKER_COUNT
            value: "7"
          name: api

Wait until all tf-config-* pods are restarted.
Verify the number of workers inside the running API container:
```
kubectl -n tf exec -ti tf-config-rclzq -c api -- ps aux --width 500
kubectl -n tf exec -ti tf-config-rclzq -c api -- ls /etc/contrail/
```
Verify that the ps output lists one API process with PID "1" and the number of workers set in the TFOperator custom resource.
In /etc/contrail/, verify that the number of configuration files contrail-api-X.conf matches the number of workers set in the TFOperator custom resource.

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Configure multiple Contrail API workers¶