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| <h1 class="page">Configuring namespace strategies</h1> |
| <div id="preamble"> |
| <div class="sectionbody"> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| The term <em>namespace</em> (Kubernetes) is used interchangeably with <em>project</em> (OpenShift). |
| </td> |
| </tr> |
| </table> |
| </div> |
| <div class="paragraph"> |
| <p>The namespace strategies are configured using the <code>CHE_INFRA_KUBERNETES_NAMESPACE_DEFAULT</code> environment variable.</p> |
| </div> |
| <div class="admonitionblock warning"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-warning" title="Warning"></i> |
| </td> |
| <td class="content"> |
| <code>CHE_INFRA_KUBERNETES_NAMESPACE</code> and <code>CHE_INFRA_OPENSHIFT_PROJECT</code> are legacy variables. Keep these variables unset for a new installations. Changing these variables during an update can lead to data loss. |
| </td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_one_namespace_per_workspace_strategy"><a class="anchor" href="#_one_namespace_per_workspace_strategy"></a>One namespace per workspace strategy</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>The strategy creates a new namespace for each new workspace.</p> |
| </div> |
| <div class="paragraph"> |
| <p>To use the strategy, the <code>CHE_INFRA_KUBERNETES_NAMESPACE_DEFAULT</code> variable value must contain the <code><em><workspaceID></em></code> identifier. It can be used alone or combined with other identifiers or any string.</p> |
| </div> |
| <div class="exampleblock"> |
| <div class="title">Example 1. One namespace per workspace</div> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>To assign namespace names composed of a <em>`che-ws`</em> prefix and workspace id, set:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>CHE_INFRA_KUBERNETES_NAMESPACE_DEFAULT=<em>che-ws</em>-<em><workspaceID></em></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_one_namespace_for_all_workspaces_strategy"><a class="anchor" href="#_one_namespace_for_all_workspaces_strategy"></a>One namespace for all workspaces strategy</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>The strategy uses one predefined namespace for all workspaces.</p> |
| </div> |
| <div class="paragraph"> |
| <p>To use the strategy, the <code>CHE_INFRA_KUBERNETES_NAMESPACE_DEFAULT</code> variable value must be the name of the desired namespace to use.</p> |
| </div> |
| <div class="exampleblock"> |
| <div class="title">Example 2. One namespace for all workspaces</div> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>To have all workspaces created in <em>`che-ws`</em> namespace, set:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>CHE_INFRA_KUBERNETES_NAMESPACE_DEFAULT=<em>che-ws</em></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="admonitionblock important"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-important" title="Important"></i> |
| </td> |
| <td class="content"> |
| To run more than one workspace at a time when using this strategy together with the <code>common</code> PVC strategy, configure persistent volumes to use <code>ReadWriteMany</code> access mode. |
| </td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_one_namespace_per_user_strategy"><a class="anchor" href="#_one_namespace_per_user_strategy"></a>One namespace per user strategy</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>The strategy isolates each user in their own namespace.</p> |
| </div> |
| <div class="paragraph"> |
| <p>To use the strategy, the <code>CHE_INFRA_KUBERNETES_NAMESPACE_DEFAULT</code> variable value must contain one or more user identifiers. Currently supported identifiers are <code><em><username></em></code> and <code><em><userId></em></code>.</p> |
| </div> |
| <div class="exampleblock"> |
| <div class="title">Example 3. One namespace per user</div> |
| <div class="content"> |
| <div class="paragraph"> |
| <p>To assign namespace names composed of a <em>`che-ws`</em> prefix and individual usernames (<code><em>che-ws</em>-user1</code>, <code><em>che-ws</em>-user2</code>), set:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>CHE_INFRA_KUBERNETES_NAMESPACE_DEFAULT=<em>che-ws</em>-<em><username></em></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="admonitionblock important"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-important" title="Important"></i> |
| </td> |
| <td class="content"> |
| <div class="paragraph"> |
| <p>To run more than one workspace at a time when using this strategy together with the <code>common</code> PVC strategy, configure persistent volumes to use <code>ReadWriteMany</code> access mode.</p> |
| </div> |
| <div class="paragraph"> |
| <p>To limit the number of concurrently running workspaces per user to one, set the <code>CHE_LIMITS_USER_WORKSPACES_RUN_COUNT</code> environment variable to <code>1</code>.</p> |
| </div> |
| <div class="paragraph"> |
| <p>To limit the number of concurrently running workspaces per user to one (1):</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>For Helm Chart deployments: set the <code>.global.workspace.number</code> parameter to <code>1</code>.</p> |
| </li> |
| <li> |
| <p>For Operator deployments: set the <code>spec.server.cheCustomProperties.CHE_LIMITS_USER_WORKSPACE_RUN_COUNT</code> variable of the CheCluster Custom Resource (CR) to <code>1</code>.</p> |
| </li> |
| </ul> |
| </div> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_allowing_user_defined_workspace_namespaces"><a class="anchor" href="#_allowing_user_defined_workspace_namespaces"></a>Allowing user-defined workspace namespaces</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Che server can be configured to honor the user selection of a namespace when a workspace is created. This feature is disabled by default. To allow user-defined workspace namespaces:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>For Helm Chart deployments, set the following environment variable in the Che ConfigMap:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>CHE_INFRA_KUBERNETES_NAMESPACE_ALLOW__USER__DEFINED=true</pre> |
| </div> |
| </div> |
| </li> |
| <li> |
| <p>For Operator deployments, set the following field in the CheCluster Custom Resource:</p> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre>allowUserDefinedWorkspaceNamespaces</pre> |
| </div> |
| </div> |
| </li> |
| </ul> |
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