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5.5.2.5. Running the Operator

There are three ways you can use the Operator SDK CLI to build and run your Operator:

  • Run locally outside the cluster as a Go program.
  • Run as a deployment on the cluster.
  • Bundle your Operator and use Operator Lifecycle Manager (OLM) to deploy on the cluster.
5.5.2.5.1. Running locally outside the cluster
复制链接

You can run your Operator project as a Go program outside of the cluster. This is useful for development purposes to speed up deployment and testing.

Procedure

  • Run the following command to install the custom resource definitions (CRDs) in the cluster configured in your ~/.kube/config file and run the Operator locally: 

    $ make install run

    Example output

    ...
{"level":"info","ts":1612652419.9289865,"logger":"controller-runtime.metrics","msg":"metrics server is starting to listen","addr":":8080"}
{"level":"info","ts":1612652419.9296563,"logger":"helm.controller","msg":"Watching resource","apiVersion":"demo.example.com/v1","kind":"Nginx","namespace":"","reconcilePeriod":"1m0s"}
{"level":"info","ts":1612652419.929983,"logger":"controller-runtime.manager","msg":"starting metrics server","path":"/metrics"}
{"level":"info","ts":1612652419.930015,"logger":"controller-runtime.manager.controller.nginx-controller","msg":"Starting EventSource","source":"kind source: demo.example.com/v1, Kind=Nginx"}
{"level":"info","ts":1612652420.2307851,"logger":"controller-runtime.manager.controller.nginx-controller","msg":"Starting Controller"}
{"level":"info","ts":1612652420.2309358,"logger":"controller-runtime.manager.controller.nginx-controller","msg":"Starting workers","worker count":8}

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