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| <h1 class="page">Configuring a user namespace name for automatic provisioning</h1> |
| <div class="paragraph"> |
| <p>You can configure the namespace name template that Che uses to create the required namespace when starting a workspace.</p> |
| </div> |
| <div class="paragraph"> |
| <p>A valid namespace name template follows these conventions:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>The <code><username></code> or <code><userid></code> placeholder is mandatory.</p> |
| </li> |
| <li> |
| <p>Usernames and IDs cannot contain invalid characters. If the formatting of a username or ID is incompatible with the naming conventions for Kubernetes objects, Che changes the username or ID to a valid name by replacing incompatible characters with the <code>-</code> symbol.</p> |
| </li> |
| <li> |
| <p>Che evaluates the <code><userid></code> placeholder into a 14 character long string, and adds a random six character long suffix to prevent IDs from colliding. The result is stored in the user preferences for reuse.</p> |
| </li> |
| <li> |
| <p>Kubernetes limits the length of a namespace name to 63 characters.</p> |
| </li> |
| <li> |
| <p>OpenShift limits the length further to 49 characters.</p> |
| </li> |
| </ul> |
| </div> |
| <div class="ulist"> |
| <div class="title">Procedure</div> |
| <ul> |
| <li> |
| <p>Configure the <code>CheCluster</code> Custom Resource. See <a href="../using-the-cli-to-configure-the-checluster-custom-resource/" class="xref page">Using the CLI to configure the CheCluster Custom Resource</a>.</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlightjs highlight"><code class="language-yaml hljs" data-lang="yaml">spec: |
| server: |
| workspaceNamespaceDefault: <em><workspace_namespace_template_></em></code></pre> |
| </div> |
| </div> |
| <div class="exampleblock"> |
| <div class="title">Example 1. User workspaces namespace name template examples</div> |
| <div class="content"> |
| <table class="tableblock frame-all grid-all stretch"> |
| <colgroup> |
| <col style="width: 50%;"> |
| <col style="width: 50%;"> |
| </colgroup> |
| <thead> |
| <tr> |
| <th class="tableblock halign-left valign-top">User workspaces namespace name template</th> |
| <th class="tableblock halign-left valign-top">Resulting namespace example</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code><username>-che</code> (default)</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">user1-che</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code><userid>-namespace</code></p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code>cge1egvsb2nhba-namespace-ul1411</code></p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code><userid>-aka-<username>-namespace</code></p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><code>cgezegvsb2nhba-aka-user1-namespace-6m2w2b</code></p></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
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| <div class="title">Additional resources</div> |
| <ul> |
| <li> |
| <p><a href="../using-chectl-to-configure-the-checluster-custom-resource-during-installation/" class="xref page">Using chectl to configure the <code>CheCluster</code> Custom Resource during installation</a></p> |
| </li> |
| <li> |
| <p><a href="../using-the-cli-to-configure-the-checluster-custom-resource/" class="xref page">Using the CLI to configure the CheCluster Custom Resource</a></p> |
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