HostTemplatesResourceApi

All URIs are relative to https://localhost/api/v51

Method	HTTP request	Description
applyHostTemplate	POST /clusters/{clusterName}/hostTemplates/{hostTemplateName}/commands/applyHostTemplate	Applies a host template to a collection of hosts.
createHostTemplates	POST /clusters/{clusterName}/hostTemplates	Creates new host templates.
deleteHostTemplate	DELETE /clusters/{clusterName}/hostTemplates/{hostTemplateName}	Deletes a host template.
readHostTemplate	GET /clusters/{clusterName}/hostTemplates/{hostTemplateName}	Retrieves information about a host template.
readHostTemplates	GET /clusters/{clusterName}/hostTemplates	Lists all host templates in a cluster.
reapplyHostTemplateOnHosts	POST /clusters/{clusterName}/hostTemplates/{hostTemplateName}/commands/reapplyHostTemplateOnHosts	Reapplies a host template on all the hosts associated with the host template.
updateHostTemplate	PUT /clusters/{clusterName}/hostTemplates/{hostTemplateName}	Updates an existing host template.

applyHostTemplate

ApiCommand applyHostTemplate(clusterName, hostTemplateName, startRoles, body)

Applies a host template to a collection of hosts.

Applies a host template to a collection of hosts. This will create a role for each role config group on each of the hosts.

The provided hosts must not have any existing roles on them and if the cluster is not using parcels, the hosts must have a CDH version matching that of the cluster version.

Available since API v3.

Example

// Import classes:
//import com.cloudera.api.swagger.client.ApiClient;
//import com.cloudera.api.swagger.client.ApiException;
//import com.cloudera.api.swagger.client.Configuration;
//import com.cloudera.api.swagger.client.auth.*;
//import com.cloudera.api.swagger.HostTemplatesResourceApi;

ApiClient defaultClient = Configuration.getDefaultApiClient();

// Configure HTTP basic authorization: basic
HttpBasicAuth basic = (HttpBasicAuth) defaultClient.getAuthentication("basic");
basic.setUsername("YOUR USERNAME");
basic.setPassword("YOUR PASSWORD");

HostTemplatesResourceApi apiInstance = new HostTemplatesResourceApi();
String clusterName = "clusterName_example"; // String | 
String hostTemplateName = "hostTemplateName_example"; // String | Host template to apply.
Boolean startRoles = true; // Boolean | Whether to start the newly created roles or not.
ApiHostRefList body = new ApiHostRefList(); // ApiHostRefList | List of hosts to apply the host template to.
try {
    ApiCommand result = apiInstance.applyHostTemplate(clusterName, hostTemplateName, startRoles, body);
    System.out.println(result);
} catch (ApiException e) {
    System.err.println("Exception when calling HostTemplatesResourceApi#applyHostTemplate");
    e.printStackTrace();
}

Parameters

Name	Type	Description	Notes
clusterName	String
hostTemplateName	String	Host template to apply.
startRoles	Boolean	Whether to start the newly created roles or not.	[optional]
body	ApiHostRefList	List of hosts to apply the host template to.	[optional]

HTTP request headers

Content-Type: application/json
Accept: application/json

createHostTemplates

ApiHostTemplateList createHostTemplates(clusterName, body)

Creates new host templates.

Host template names must be unique across clusters.

Available since API v3.

Example

// Import classes:
//import com.cloudera.api.swagger.client.ApiClient;
//import com.cloudera.api.swagger.client.ApiException;
//import com.cloudera.api.swagger.client.Configuration;
//import com.cloudera.api.swagger.client.auth.*;
//import com.cloudera.api.swagger.HostTemplatesResourceApi;

ApiClient defaultClient = Configuration.getDefaultApiClient();

// Configure HTTP basic authorization: basic
HttpBasicAuth basic = (HttpBasicAuth) defaultClient.getAuthentication("basic");
basic.setUsername("YOUR USERNAME");
basic.setPassword("YOUR PASSWORD");

HostTemplatesResourceApi apiInstance = new HostTemplatesResourceApi();
String clusterName = "clusterName_example"; // String | 
ApiHostTemplateList body = new ApiHostTemplateList(); // ApiHostTemplateList | The list of host templates to create.
try {
    ApiHostTemplateList result = apiInstance.createHostTemplates(clusterName, body);
    System.out.println(result);
} catch (ApiException e) {
    System.err.println("Exception when calling HostTemplatesResourceApi#createHostTemplates");
    e.printStackTrace();
}

Parameters

Name	Type	Description	Notes
clusterName	String
body	ApiHostTemplateList	The list of host templates to create.	[optional]

HTTP request headers

Content-Type: application/json
Accept: application/json

deleteHostTemplate

ApiHostTemplate deleteHostTemplate(clusterName, hostTemplateName)

Deletes a host template.

Available since API v3.

Example

// Import classes:
//import com.cloudera.api.swagger.client.ApiClient;
//import com.cloudera.api.swagger.client.ApiException;
//import com.cloudera.api.swagger.client.Configuration;
//import com.cloudera.api.swagger.client.auth.*;
//import com.cloudera.api.swagger.HostTemplatesResourceApi;

ApiClient defaultClient = Configuration.getDefaultApiClient();

// Configure HTTP basic authorization: basic
HttpBasicAuth basic = (HttpBasicAuth) defaultClient.getAuthentication("basic");
basic.setUsername("YOUR USERNAME");
basic.setPassword("YOUR PASSWORD");

HostTemplatesResourceApi apiInstance = new HostTemplatesResourceApi();
String clusterName = "clusterName_example"; // String | 
String hostTemplateName = "hostTemplateName_example"; // String | Host template to delete.
try {
    ApiHostTemplate result = apiInstance.deleteHostTemplate(clusterName, hostTemplateName);
    System.out.println(result);
} catch (ApiException e) {
    System.err.println("Exception when calling HostTemplatesResourceApi#deleteHostTemplate");
    e.printStackTrace();
}

Parameters

Name	Type	Description	Notes
clusterName	String
hostTemplateName	String	Host template to delete.

HTTP request headers

Content-Type: Not defined
Accept: application/json

readHostTemplate

ApiHostTemplate readHostTemplate(clusterName, hostTemplateName)

Retrieves information about a host template.

Available since API v3.

Example

// Import classes:
//import com.cloudera.api.swagger.client.ApiClient;
//import com.cloudera.api.swagger.client.ApiException;
//import com.cloudera.api.swagger.client.Configuration;
//import com.cloudera.api.swagger.client.auth.*;
//import com.cloudera.api.swagger.HostTemplatesResourceApi;

ApiClient defaultClient = Configuration.getDefaultApiClient();

// Configure HTTP basic authorization: basic
HttpBasicAuth basic = (HttpBasicAuth) defaultClient.getAuthentication("basic");
basic.setUsername("YOUR USERNAME");
basic.setPassword("YOUR PASSWORD");

HostTemplatesResourceApi apiInstance = new HostTemplatesResourceApi();
String clusterName = "clusterName_example"; // String | 
String hostTemplateName = "hostTemplateName_example"; // String | 
try {
    ApiHostTemplate result = apiInstance.readHostTemplate(clusterName, hostTemplateName);
    System.out.println(result);
} catch (ApiException e) {
    System.err.println("Exception when calling HostTemplatesResourceApi#readHostTemplate");
    e.printStackTrace();
}

Parameters

Name	Type	Description	Notes
clusterName	String
hostTemplateName	String

HTTP request headers

Content-Type: Not defined
Accept: application/json

readHostTemplates

ApiHostTemplateList readHostTemplates(clusterName)

Lists all host templates in a cluster.

Available since API v3.

Example

// Import classes:
//import com.cloudera.api.swagger.client.ApiClient;
//import com.cloudera.api.swagger.client.ApiException;
//import com.cloudera.api.swagger.client.Configuration;
//import com.cloudera.api.swagger.client.auth.*;
//import com.cloudera.api.swagger.HostTemplatesResourceApi;

ApiClient defaultClient = Configuration.getDefaultApiClient();

// Configure HTTP basic authorization: basic
HttpBasicAuth basic = (HttpBasicAuth) defaultClient.getAuthentication("basic");
basic.setUsername("YOUR USERNAME");
basic.setPassword("YOUR PASSWORD");

HostTemplatesResourceApi apiInstance = new HostTemplatesResourceApi();
String clusterName = "clusterName_example"; // String | 
try {
    ApiHostTemplateList result = apiInstance.readHostTemplates(clusterName);
    System.out.println(result);
} catch (ApiException e) {
    System.err.println("Exception when calling HostTemplatesResourceApi#readHostTemplates");
    e.printStackTrace();
}

Parameters

Name	Type	Description	Notes
clusterName	String

HTTP request headers

Content-Type: Not defined
Accept: application/json

reapplyHostTemplateOnHosts

ApiCommand reapplyHostTemplateOnHosts(clusterName, hostTemplateName, deleteRoles, startRoles)

Reapplies a host template on all the hosts associated with the host template.

Reapplies a host template on all the hosts associated with the host template. This will run apply host template command on the all the hosts using the host template .

Set deleteRoles to true to delete the roles on the associated hosts if RCG is missing from host template. Check host tags with name as _cldr_cm_host_template_name to find out hosts using with the host template.

Available since API v46.

Example

// Import classes:
//import com.cloudera.api.swagger.client.ApiClient;
//import com.cloudera.api.swagger.client.ApiException;
//import com.cloudera.api.swagger.client.Configuration;
//import com.cloudera.api.swagger.client.auth.*;
//import com.cloudera.api.swagger.HostTemplatesResourceApi;

ApiClient defaultClient = Configuration.getDefaultApiClient();

// Configure HTTP basic authorization: basic
HttpBasicAuth basic = (HttpBasicAuth) defaultClient.getAuthentication("basic");
basic.setUsername("YOUR USERNAME");
basic.setPassword("YOUR PASSWORD");

HostTemplatesResourceApi apiInstance = new HostTemplatesResourceApi();
String clusterName = "clusterName_example"; // String | 
String hostTemplateName = "hostTemplateName_example"; // String | Host template to apply.
Boolean deleteRoles = true; // Boolean | Whether to delete roles on host if RCG is deleted from host template .
Boolean startRoles = true; // Boolean | Whether to start the newly created roles or not.
try {
    ApiCommand result = apiInstance.reapplyHostTemplateOnHosts(clusterName, hostTemplateName, deleteRoles, startRoles);
    System.out.println(result);
} catch (ApiException e) {
    System.err.println("Exception when calling HostTemplatesResourceApi#reapplyHostTemplateOnHosts");
    e.printStackTrace();
}

Parameters

Name	Type	Description	Notes
clusterName	String
hostTemplateName	String	Host template to apply.
deleteRoles	Boolean	Whether to delete roles on host if RCG is deleted from host template .	[optional]
startRoles	Boolean	Whether to start the newly created roles or not.	[optional]

Content-Type: Not defined
Accept: application/json

updateHostTemplate

ApiHostTemplate updateHostTemplate(clusterName, hostTemplateName, body)

Updates an existing host template.

Can be used to update the role config groups in a host template or rename it.

Available since API v3.

Example

// Import classes:
//import com.cloudera.api.swagger.client.ApiClient;
//import com.cloudera.api.swagger.client.ApiException;
//import com.cloudera.api.swagger.client.Configuration;
//import com.cloudera.api.swagger.client.auth.*;
//import com.cloudera.api.swagger.HostTemplatesResourceApi;

ApiClient defaultClient = Configuration.getDefaultApiClient();

// Configure HTTP basic authorization: basic
HttpBasicAuth basic = (HttpBasicAuth) defaultClient.getAuthentication("basic");
basic.setUsername("YOUR USERNAME");
basic.setPassword("YOUR PASSWORD");

HostTemplatesResourceApi apiInstance = new HostTemplatesResourceApi();
String clusterName = "clusterName_example"; // String | 
String hostTemplateName = "hostTemplateName_example"; // String | Host template with updated fields.
ApiHostTemplate body = new ApiHostTemplate(); // ApiHostTemplate | 
try {
    ApiHostTemplate result = apiInstance.updateHostTemplate(clusterName, hostTemplateName, body);
    System.out.println(result);
} catch (ApiException e) {
    System.err.println("Exception when calling HostTemplatesResourceApi#updateHostTemplate");
    e.printStackTrace();
}

Parameters

Name	Type	Description	Notes
clusterName	String
hostTemplateName	String	Host template with updated fields.
body	ApiHostTemplate		[optional]

Content-Type: application/json
Accept: application/json