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| <div class="content"> |
| <article class="doc"> |
| <h1 class="page">Remotely accessing workspaces</h1> |
| <div id="preamble"> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>This section describes how to remotely access Che workspaces outside of the browser.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Che workspaces exist as containers and are, by default, modified from a browser window. In addition to this, there are the following methods of interacting with a Che workspace:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>Opening a command line in the workspace container using the Kubernetes command-line tool, <code>kubectl</code></p> |
| </li> |
| <li> |
| <p>Uploading and downloading files using the <code>kubectl</code> tool</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="accessing-workspaces-remotely-using-kubectl_remotely-accessing-workspaces"><a class="anchor" href="#accessing-workspaces-remotely-using-kubectl_remotely-accessing-workspaces"></a>Remotely accessing workspaces using <code>kubectl</code></h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>To access Che workspaces remotely using Kubernetes command-line tool (<code>kubectl</code>), follow the instructions in this section.</p> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| The <code>kubectl</code> tool is used in this section to open a shell and manage files in a Che workspace. Alternatively, it is possible to use the <code>oc</code> OpenShift command-line tool. |
| </td> |
| </tr> |
| </table> |
| </div> |
| <div class="ulist"> |
| <div class="title">Prerequisites</div> |
| <ul> |
| <li> |
| <p>The <code>kubectl</code> tool is available. See <a href="https://kubernetes.io/docs/tasks/tools/install-kubectl/">Kubernetes website</a>.</p> |
| </li> |
| <li> |
| <p>Verify the installation of <code>kubectl</code> using the <code>kubectl version</code> command:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ {orch-cli} version |
| Client Version: version.Info{Major:"1", Minor:"15", GitVersion:"v1.15.0", GitCommit:"e8462b5b5dc2584fdcd18e6bcfe9f1e4d970a529", GitTreeState:"clean", BuildDate:"2019-06-19T16:40:16Z", GoVersion:"go1.12.5", Compiler:"gc", Platform:"darwin/amd64"} |
| Server Version: version.Info{Major:"1", Minor:"15", GitVersion:"v1.15.0", GitCommit:"e8462b5b5dc2584fdcd18e6bcfe9f1e4d970a529", GitTreeState:"clean", BuildDate:"2019-06-19T16:32:14Z", GoVersion:"go1.12.5", Compiler:"gc", Platform:"linux/amd64"}</pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>For versions 1.5.0 or higher, proceed with the steps in this section.</p> |
| </div> |
| </li> |
| </ul> |
| </div> |
| <div class="olist arabic"> |
| <div class="title">Procedure</div> |
| <ol class="arabic"> |
| <li> |
| <p>Use the <code>exec</code> command to open a remote shell.</p> |
| </li> |
| <li> |
| <p>To find the name of the Kubernetes or OpenShift namespace and the Pod that runs the Che workspace:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ kubectl get pod -l che.workspace_id --all-namespaces |
| NAMESPACE NAME READY STATUS RESTARTS AGE |
| che workspace7b2wemdf3hx7s3ln.maven-74885cf4d5-kf2q4 4/4 Running 0 6m4s</pre> |
| </div> |
| </div> |
| </li> |
| </ol> |
| </div> |
| <div class="paragraph"> |
| <p>In the example above, the Pod name is <code>workspace7b2wemdf3hx7s3ln.maven-74885cf4d5-kf2q4</code>, and the namespace is <code>che</code>.</p> |
| </div> |
| <div class="olist arabic"> |
| <ol class="arabic"> |
| <li> |
| <p>To find the name of the container:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ NAMESPACE=che |
| $ POD=workspace7b2wemdf3hx7s3ln.maven-74885cf4d5-kf2q4 |
| $ kubectl get pod ${POD} -o custom-columns=CONTAINERS:.spec.containers[*].name |
| CONTAINERS |
| maven,che-machine-execpau,theia-ide6dj,vscode-javaw92</pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>When you have the namespace, pod name, and the name of the container, use the `kubectl ` command to open a remote shell:</p> |
| <div class="literalblock"> |
| <div class="content"> |
| <pre class="nowrap">$ NAMESPACE=che |
| $ POD=workspace7b2wemdf3hx7s3ln.maven-74885cf4d5-kf2q4 |
| $ CONTAINER=maven |
| $ kubectl exec -ti -n ${NAMESPACE} ${POD} -c ${CONTAINER} bash |
| user@workspace7b2wemdf3hx7s3ln $</pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>From the container, execute the <code>build</code> and <code>run</code> commands (as if from the Che workspace terminal):</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>user@workspace7b2wemdf3hx7s3ln $ mvn clean install |
| [INFO] Scanning for projects... |
| (...)</pre> |
| </div> |
| </div> |
| </li> |
| </ol> |
| </div> |
| <div class="ulist"> |
| <div class="title">Additional resources</div> |
| <ul> |
| <li> |
| <p>For more about <code>kubectl</code>, see the <a href="https://kubernetes.io/docs/reference/kubectl/overview/">Kubernetes documentation</a>.</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="downloading-and-uploading-a-file-to-a-workspace-using-the-command-line-interface_remotely-accessing-workspaces"><a class="anchor" href="#downloading-and-uploading-a-file-to-a-workspace-using-the-command-line-interface_remotely-accessing-workspaces"></a>Downloading and uploading a file to a workspace using the command-line interface</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>This procedure describes how to use the `kubectl ` tool to download or upload files remotely from or to an Eclipse Che workspace.</p> |
| </div> |
| <div class="ulist"> |
| <div class="title">Prerequisites</div> |
| <ul> |
| <li> |
| <p>A running instance of Eclipse Che. To install an instance of Eclipse Che, see <a href="../../installation-guide/installing-che/" class="page">Installing Che</a>.</p> |
| </li> |
| <li> |
| <p>Remote access to the Che workspace you intend to modify. For instructions see <a href="#">[]</a>.</p> |
| </li> |
| <li> |
| <p>The `kubectl ` tool is available. See <a href="https://kubernetes.io/docs/tasks/tools/install-kubectl/">Installing `kubectl `</a>.</p> |
| </li> |
| <li> |
| <p>Verify the installation of <code>kubectl ` using the `kubectl version</code> command:</p> |
| </li> |
| </ul> |
| </div> |
| <div class="ulist"> |
| <div class="title">Procedure</div> |
| <ul> |
| <li> |
| <p>To download a local file named <code>downloadme.txt</code> from a workspace container to the current home directory of the user, use the following in the Che remote shell.</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ REMOTE_FILE_PATH=/projects/downloadme.txt |
| $ NAMESPACE=che |
| $ POD=workspace7b2wemdf3hx7s3ln.maven-74885cf4d5-kf2q4 |
| $ CONTAINER=maven |
| $ kubectl cp ${NAMESPACE}/${POD}:${REMOTE_FILE_PATH} ~/downloadme.txt -c ${CONTAINER}</pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>To upload a local file named <code>uploadme.txt</code> to a workspace container in the <code>/projects</code> directory:</p> |
| </li> |
| </ul> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>$ LOCAL_FILE_PATH=./uploadme.txt |
| $ NAMESPACE=che |
| $ POD=workspace7b2wemdf3hx7s3ln.maven-74885cf4d5-kf2q4 |
| $ CONTAINER=maven |
| $ kubectl cp ${LOCAL_FILE_PATH} ${NAMESPACE}/${POD}:/projects -c ${CONTAINER}</pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>Using the preceding steps, the user can also download and upload directories.</p> |
| </div> |
| </div> |
| </div> |
| </article> |
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