Websocket API to access shell of containers

Niranjan_Sonachalam · August 19, 2018, 5:20pm

How to connect to a running container through websocket API and run commands? Is there a documentations somewhere?

vincent · August 19, 2018, 9:43pm

There is no specific Rancher API for exec, we just use the standard k8s API in the UI.

rancher/ui/blob/master/lib/shared/addon/components/container-shell/component.js#L80-L150


exec() {
  let url = get(this, 'url');


  if ( !url ) {
    var instance = get(this, 'instance');
    const clusterId = get(this, 'scope.currentCluster.id');
    const namespaceId = get(instance, 'namespaceId');
    const podName = get(instance, 'name');
    const containerName = get(this, 'containerName');
    const scheme = window.location.protocol === 'https:' ? 'wss://' : 'ws://';


    url = `${ scheme }${ window.location.host }/k8s/clusters/${ clusterId }/api/v1/namespaces/${ namespaceId }/pods/${ podName }/exec`;
    url += `?container=${ encodeURIComponent(containerName) }&stdout=1&stdin=1&stderr=1&tty=1`;
    const command = get(instance, 'command') || DEFAULT_COMMAND;


    command.forEach((c) => {
      url += `&command=${  encodeURIComponent(c) }`;
    });
  }

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Websocket API to access shell of containers

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