import Tabs from '@theme/Tabs'; import TabItem from '@theme/TabItem';
:::tip
This page only shows some frequently used operations.
For the latest and complete information about Pulsar admin, including commands, flags, descriptions, and more, see Pulsar admin docs.
For the latest and complete information about REST API, including parameters, responses, samples, and more, see {@inject: rest:REST:/} API doc.
For the latest and complete information about Java admin API, including classes, methods, descriptions, and more, see Java admin API doc.
:::
Tenants, like namespaces, can be managed using the admin API. There are currently two configurable aspects of tenants:
You can list all of the tenants associated with an instance.
<Tabs groupId="api-choice" defaultValue="pulsar-admin" values={[{"label":"pulsar-admin","value":"pulsar-admin"},{"label":"REST API","value":"REST API"},{"label":"Java","value":"Java"}]}> <TabItem value="pulsar-admin"> Use the [`list`](/reference/#/@pulsar:version_reference@/pulsar-admin/tenants?id=list) subcommand. ```shell pulsar-admin tenants list ``` Output: ``` my-tenant-1 my-tenant-2 ``` </TabItem> <TabItem value="REST API"> [](swagger:/admin/v2/TenantsBase_getTenants) </TabItem> <TabItem value="Java"> ```java admin.tenants().getTenants(); ``` </TabItem> </Tabs>
You can create a new tenant.
<Tabs groupId="api-choice" defaultValue="pulsar-admin" values={[{"label":"pulsar-admin","value":"pulsar-admin"},{"label":"REST API","value":"REST API"},{"label":"Java","value":"Java"}]}> <TabItem value="pulsar-admin"> Use the [`create`](/reference/#/@pulsar:version_reference@/pulsar-admin/tenants?id=create) subcommand: ```shell pulsar-admin tenants create my-tenant ``` When creating a tenant, you can optionally assign admin roles using the `-r`/`--admin-roles` flag, and clusters using the `-c`/`--allowed-clusters` flag. You can specify multiple values as a comma-separated list. Here are some examples: ```shell pulsar-admin tenants create my-tenant \ --admin-roles role1,role2,role3 \ --allowed-clusters cluster1 ``` ```shell pulsar-admin tenants create my-tenant \ -r role1 \ -c cluster1 ``` </TabItem> <TabItem value="REST API"> [](swagger:/admin/v2/TenantsBase_createTenant) </TabItem> <TabItem value="Java"> ```java admin.tenants().createTenant(tenantName, tenantInfo); ``` </TabItem> </Tabs>
You can fetch the configuration for an existing tenant at any time.
<Tabs groupId="api-choice" defaultValue="pulsar-admin" values={[{"label":"pulsar-admin","value":"pulsar-admin"},{"label":"REST API","value":"REST API"},{"label":"Java","value":"Java"}]}> <TabItem value="pulsar-admin"> Use the [`get`](/reference/#/@pulsar:version_reference@/pulsar-admin/tenants?id=get) subcommand and specify the name of the tenant. Here's an example: ```shell pulsar-admin tenants get my-tenant ``` ```json { "adminRoles": [ "admin1", "admin2" ], "allowedClusters": [ "cl1", "cl2" ] } ``` </TabItem> <TabItem value="REST API"> [](swagger:/admin/v2/TenantsBase_getTenantAdmin) </TabItem> <TabItem value="Java"> ```java admin.tenants().getTenantInfo(tenantName); ``` </TabItem> </Tabs>
Tenants can be deleted from a Pulsar instance.
<Tabs groupId="api-choice" defaultValue="pulsar-admin" values={[{"label":"pulsar-admin","value":"pulsar-admin"},{"label":"REST API","value":"REST API"},{"label":"Java","value":"Java"}]}> <TabItem value="pulsar-admin"> Use the [`delete`](/reference/#/@pulsar:version_reference@/pulsar-admin/tenants?id=delete) subcommand and specify the name of the tenant. ```shell pulsar-admin tenants delete my-tenant ``` </TabItem> <TabItem value="REST API"> [](swagger:/admin/v2/TenantsBase_deleteTenant) </TabItem> <TabItem value="Java"> ```java admin.Tenants().deleteTenant(tenantName); ``` </TabItem> </Tabs>
You can update a tenant's configuration.
<Tabs groupId="api-choice" defaultValue="pulsar-admin" values={[{"label":"pulsar-admin","value":"pulsar-admin"},{"label":"REST API","value":"REST API"},{"label":"Java","value":"Java"}]}> <TabItem value="pulsar-admin"> Use the [`update`](/reference/#/@pulsar:version_reference@/pulsar-admin/tenants?id=update) subcommand. ```shell pulsar-admin tenants update my-tenant \ --admin-roles role1,role2 \ --allowed-clusters cluster1,cluster2 ``` </TabItem> <TabItem value="REST API"> [](swagger:/admin/v2/TenantsBase_updateTenant) </TabItem> <TabItem value="Java"> ```java admin.tenants().updateTenant(tenantName, tenantInfo); ``` </TabItem> </Tabs>