BewareMyPower commented on code in PR #18680:
URL: https://github.com/apache/pulsar/pull/18680#discussion_r1035534402


##########
site2/docs/admin-get-started.md:
##########
@@ -0,0 +1,83 @@
+---
+id: admin-api-get-started
+title: Get started
+sidebar_label: "Get started"
+---
+
+````mdx-code-block
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+````
+
+## Admin setup
+
+Each of the three admin interfaces (the `pulsar-admin` CLI tool, the {@inject: 
rest:REST:/} API, and the [Java admin API](/api/admin)) requires some special 
setup if you have enabled authentication in your Pulsar instance.
+
+````mdx-code-block
+<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">
+
+If you have enabled authentication, you need to provide an auth configuration 
to use the `pulsar-admin` tool. By default, the configuration for the 
`pulsar-admin` tool is in the 
[`conf/client.conf`](reference-configuration.md#client) file. The following are 
the available parameters:
+
+|Name|Description|Default|
+|----|-----------|-------|
+|webServiceUrl|The web URL for the cluster.|http://localhost:8080/|
+|brokerServiceUrl|The Pulsar protocol URL for the 
cluster.|pulsar://localhost:6650/|
+|authPlugin|The authentication plugin.| |
+|authParams|The authentication parameters for the cluster, as a 
comma-separated string.| |
+|useTls|Whether or not TLS authentication will be enforced in the 
cluster.|false|
+|tlsAllowInsecureConnection|Accept untrusted TLS certificate from 
client.|false|
+|tlsTrustCertsFilePath|Path for the trusted TLS certificate file.| |
+
+</TabItem>
+<TabItem value="REST API">
+
+You can find details for the REST API exposed by Pulsar brokers in this 
{@inject: rest:document:/}.
+
+</TabItem>
+<TabItem value="Java">
+
+To use the Java admin API, instantiate a {@inject: 
javadoc:PulsarAdmin:/admin/org/apache/pulsar/client/admin/PulsarAdmin} object, 
and specify a URL for a Pulsar broker and a {@inject: 
javadoc:PulsarAdminBuilder:/admin/org/apache/pulsar/client/admin/PulsarAdminBuilder}.
 The following is a minimal example using `localhost`:
+
+```java
+String url = "http://localhost:8080";;
+// Pass auth-plugin class fully-qualified name if Pulsar-security enabled
+String authPluginClassName = "com.org.MyAuthPluginClass";
+// Pass auth-param if auth-plugin class requires it
+String authParams = "param1=value1";
+boolean useTls = false;
+boolean tlsAllowInsecureConnection = false;
+String tlsTrustCertsFilePath = null;
+PulsarAdmin admin = PulsarAdmin.builder()
+.authentication(authPluginClassName,authParams)
+.serviceHttpUrl(url)
+.tlsTrustCertsFilePath(tlsTrustCertsFilePath)
+.allowTlsInsecureConnection(tlsAllowInsecureConnection)
+.build();
+```
+
+If you use multiple brokers, you can use multi-host like Pulsar service. For 
example,
+
+```java
+String url = "http://localhost:8080,localhost:8081,localhost:8082";;
+// Pass auth-plugin class fully-qualified name if Pulsar-security enabled
+String authPluginClassName = "com.org.MyAuthPluginClass";
+// Pass auth-param if auth-plugin class requires it
+String authParams = "param1=value1";
+boolean useTls = false;
+boolean tlsAllowInsecureConnection = false;
+String tlsTrustCertsFilePath = null;
+PulsarAdmin admin = PulsarAdmin.builder()
+.authentication(authPluginClassName,authParams)
+.serviceHttpUrl(url)
+.tlsTrustCertsFilePath(tlsTrustCertsFilePath)
+.allowTlsInsecureConnection(tlsAllowInsecureConnection)
+.build();

Review Comment:
   ```suggestion
   // ...
   ```
   
   Remove duplicated code because we only need to modify `url` for multiple 
brokers.



##########
site2/docs/admin-get-started.md:
##########
@@ -0,0 +1,83 @@
+---
+id: admin-api-get-started
+title: Get started
+sidebar_label: "Get started"
+---
+
+````mdx-code-block
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+````
+
+## Admin setup
+
+Each of the three admin interfaces (the `pulsar-admin` CLI tool, the {@inject: 
rest:REST:/} API, and the [Java admin API](/api/admin)) requires some special 
setup if you have enabled authentication in your Pulsar instance.
+
+````mdx-code-block
+<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">
+
+If you have enabled authentication, you need to provide an auth configuration 
to use the `pulsar-admin` tool. By default, the configuration for the 
`pulsar-admin` tool is in the 
[`conf/client.conf`](reference-configuration.md#client) file. The following are 
the available parameters:
+
+|Name|Description|Default|
+|----|-----------|-------|
+|webServiceUrl|The web URL for the cluster.|http://localhost:8080/|
+|brokerServiceUrl|The Pulsar protocol URL for the 
cluster.|pulsar://localhost:6650/|
+|authPlugin|The authentication plugin.| |
+|authParams|The authentication parameters for the cluster, as a 
comma-separated string.| |
+|useTls|Whether or not TLS authentication will be enforced in the 
cluster.|false|
+|tlsAllowInsecureConnection|Accept untrusted TLS certificate from 
client.|false|
+|tlsTrustCertsFilePath|Path for the trusted TLS certificate file.| |
+
+</TabItem>
+<TabItem value="REST API">
+
+You can find details for the REST API exposed by Pulsar brokers in this 
{@inject: rest:document:/}.
+
+</TabItem>
+<TabItem value="Java">
+
+To use the Java admin API, instantiate a {@inject: 
javadoc:PulsarAdmin:/admin/org/apache/pulsar/client/admin/PulsarAdmin} object, 
and specify a URL for a Pulsar broker and a {@inject: 
javadoc:PulsarAdminBuilder:/admin/org/apache/pulsar/client/admin/PulsarAdminBuilder}.
 The following is a minimal example using `localhost`:
+
+```java
+String url = "http://localhost:8080";;
+// Pass auth-plugin class fully-qualified name if Pulsar-security enabled
+String authPluginClassName = "com.org.MyAuthPluginClass";
+// Pass auth-param if auth-plugin class requires it
+String authParams = "param1=value1";
+boolean useTls = false;
+boolean tlsAllowInsecureConnection = false;
+String tlsTrustCertsFilePath = null;
+PulsarAdmin admin = PulsarAdmin.builder()
+.authentication(authPluginClassName,authParams)
+.serviceHttpUrl(url)
+.tlsTrustCertsFilePath(tlsTrustCertsFilePath)
+.allowTlsInsecureConnection(tlsAllowInsecureConnection)
+.build();

Review Comment:
   ```suggestion
   String url = "http://localhost:8080";;
   // Pass auth-plugin class fully-qualified name if Pulsar-security enabled
   String authPluginClassName = "com.org.MyAuthPluginClass";
   // Pass auth-param if auth-plugin class requires it
   String authParams = "param1=value1";
   boolean tlsAllowInsecureConnection = false;
   String tlsTrustCertsFilePath = null;
   PulsarAdmin admin = PulsarAdmin.builder()
       .authentication(authPluginClassName,authParams)
       .serviceHttpUrl(url)
       .tlsTrustCertsFilePath(tlsTrustCertsFilePath)
       .allowTlsInsecureConnection(tlsAllowInsecureConnection)
       .build();
   ```
   
   Add indent and remove unused variable.



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