miscellaneous use cases

This section covers some miscellaneous use cases.

Managing a Citrix ADC Cluster

For managing clusters, you can add or remove a cluster instance or an individual node and perform a few other instance or node operations such as viewing instance or node properties. You can also configure the cluster IP address. Other cluster-management tasks include joining a Citrix ADC appliance to the cluster and configuring a linkset. For detailed information and best practices, see Clustering.

Cluster Instance Operations

This topic covers cluster instance operations by using REST APIs through HTTP or SDKs.

  • Using REST APIs through HTTP

    All operations on a cluster instance must be performed on the clusterinstance object.

For example, to create a cluster instance with ID 1, connect to the Citrix ADC appliance that you are first adding to the cluster.

  • Request

    HTTP Method: POST

URL: http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/clusterinstance

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
    "clusterinstance":
    {
    "clid":1,
    "preemption":"ENABLED"
    }
}
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  • Response

    HTTP Status Code on Success: 201 Created

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

    The com.citrix.netscaler.nitro.resource.config.cluster.clusterinstance class provides APIs to manage a cluster instance.

The following sample code creates a cluster instance with ID 1.

Java - Sample code to create a cluster instance

clusterinstance new_cl_inst_obj = new clusterinstance();

//Set the properties of the cluster instance locally

new_cl_inst_obj.set_clid(1);
new_cl_inst_obj.set_preemption("ENABLED");

//Upload the cluster instance

clusterinstance.add(ns_session,new_cl_inst_obj);
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.NET - Sample code to create a cluster instance

clusterinstance new_cl_inst_obj = new clusterinstance();

//Set the properties of the cluster instance locally

new_cl_inst_obj.clid = 1;

new_cl_inst_obj.preemption = "ENABLED";

//Upload the cluster instance

clusterinstance.add(ns_session,new_cl_inst_obj);

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Python - Sample code to create a cluster instance

new_cl_inst_obj = clusterinstance()

# Set the properties of the cluster instance locally

new_cl_inst_obj.clid = 1

# Upload the cluster instance

clusterinstance.add(ns_session, new_cl_inst_obj)
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Cluster Node Operations

This topic covers cluster node operations by using REST APIs through HTTP or SDKs.

  • Using REST APIs through HTTP

    All operations on a cluster node must be performed on the clusternode object. For example, to add a Citrix ADC appliance with NSIP address 10.102.29.60 to the cluster.

  • Request

    HTTP Method: POST

URL: http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/clusternode

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
"clusternode":
    {
    "nodeid":1,
    "ipaddress":"10.102.29.60",
    "state":"ACTIVE",
    "backplane":"1/1/2"
    }
}
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  • Response

    HTTP Status Code on Success: 201 Created

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

The com.citrix.netscaler.nitro.resource.config.cluster.clusternode class provides APIs to manage cluster nodes.

The following sample code adds a cluster node with NSIP address 10.102.29.60.

Java - Sample code to add a cluster node

clusternode new_cl_node_obj = new clusternode();

//Set the properties of the cluster node locally

new_cl_node_obj.set_nodeid(0);

new_cl_node_obj.set_ipaddress("10.102.29.60");

new_cl_node_obj.set_state("ACTIVE");

new_cl_node_obj.set_backplane("0/1/1");

//Upload the cluster node

clusternode.add(ns_session,new_cl_node_obj);
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.NET - Sample code to add a cluster node

clusternode new_cl_node_obj = new clusternode();

//Set the properties of the cluster node locally

new_cl_node_obj.nodeid = 0;

new_cl_node_obj.ipaddress = "10.102.29.60";

new_cl_node_obj.state = "ACTIVE";

new_cl_node_obj.backplane = "0/1/1";

//Upload the cluster node

clusternode.add(ns_session,new_cl_node_obj);
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Python - Sample code to add a cluster node

new_cl_node_obj = clusternode()

# Set the properties of the cluster node locally

new_cl_node_obj.nodeid = 0

new_cl_node_obj.ipaddress = "10.102.29.60"

new_cl_node_obj.state = "ACTIVE"

new_cl_node_obj.backplane = "0/1/1"

# Upload the cluster node

clusternode.add(ns_session, new_cl_node_obj)
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Add a Cluster IP Address

This topic covers adding a cluster IP address by using REST APIs through HTTP or SDKs.

  • Using REST APIs through HTTP

    To define a cluster IP address, specify the required parameters in the nsip object. For example, to configure a cluster IP address.

  • Request

    HTTP Method: POST

URL: http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/nsip

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
"nsip":
    {
    "ipaddress":"10.102.29.61",
    "netmask":"255.255.255.255",
    "type":"CLIP"
    }
}
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  • Response

    HTTP Status Code on Success: 201 Created

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

    The com.citrix.netscaler.nitro.resource.config.ns.nsip class provides the add() API to configure an IP address. To configure the IP address as a cluster IP address, you must specify the type as CLIP.

The following sample code configures a cluster IP address on Citrix ADC appliance with IP address 10.102.29.60.

Java - Sample code to add a cluster IP address

nsip new_nsip_obj = new nsip();

//Set the properties locally

new_nsip_obj.set_ipaddress("10.102.29.61");

new_nsip_obj.set_netmask("255.255.255.255");

new_nsip_obj.set_type("CLIP");

//Upload the cluster node

nsip.add(ns_session,new_nsip_obj);
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.NET - Sample code to add a cluster IP address

nsip new_nsip_obj = new nsip();

//Set the properties locally

new_nsip_obj.ipaddress = "10.102.29.61";

new_nsip_obj.netmask = "255.255.255.255";

new_nsip_obj.type = "CLIP";

//Upload the cluster node

nsip.add(ns_session,new_nsip_obj);
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Python - Sample code to add a cluster IP address

new_nsip_obj = nsip()

# Set the properties locally

new_nsip_obj.ipaddress = "10.102.29.61"

new_nsip_obj.netmask = "255.255.255.255"

new_nsip_obj.type = "CLIP"

# Upload the cluster node

nsip.add(ns_session, new_nsip_obj)
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Add a Spotted IP Address

This topic covers adding a spotted IP address by using REST APIs through HTTP or SDKs.

  • Using REST APIs through HTTP

    To configure an IP address as spotted, specify the required parameters in the nsip object. This configuration must be done on the cluster IP address.

For example, to configure a spotted SNIP address on a node with ID 1.

  • Request

    HTTP Method: POST

URL: http://<cluster-ip-address>/nitro/v1/config/nsip

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
"nsip":
    {
    "ipaddress":"10.102.29.77",
    "netmask":"255.255.255.0",
    "type":"SNIP",
    "ownernode":1
    }
}
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  • Response

    HTTP Status Code on Success: 201 Created

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

    The com.citrix.netscaler.nitro.resource.config.ns.nsip class provides the add() API to configure an IP address. To configure the IP address as spotted, you must specify the ID of the node that must own the IP address. This configuration must be done on the cluster IP address.

The following sample code configures a spotted SNIP address on a node with ID 1.

Java - Sample code to configure a spotted IP address

nsip new_nsip_obj = new nsip();

//Set the properties locally

new_nsip_obj.set_ipaddress("10.102.29.77");

new_nsip_obj.set_netmask("255.255.255.0");

new_nsip_obj.set_type("SNIP");

new_nsip_obj.set_ownernode(1);

//Upload the cluster node

nsip.add(ns_session,new_nsip_obj);
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.NET - Sample code to configure a spotted IP address

nsip new_nsip_obj = new nsip();

//Set the properties locally

new_nsip_obj.ipaddress = "10.102.29.77";

new_nsip_obj.netmask = "255.255.255.0";

new_nsip_obj.type = "SNIP";

new_nsip_obj.ownernode = 1;

//Upload the cluster node

nsip.add(ns_session,new_nsip_obj);
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Python - Sample code to configure a spotted IP address


# Add a spotted IP address

new_nsip_obj = nsip()

# Set the properties locally

new_nsip_obj.ipaddress = "10.102.29.77"

new_nsip_obj.netmask = "255.255.255.0"

new_nsip_obj.type = "SNIP"

new_nsip_obj.ownernode = 1

# Upload the cluster node

nsip.add(ns_session, new_nsip_obj)
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Join Citrix ADC Appliance to Cluster

This topic covers adding a Citrix ADC appliance to a cluster by using REST APIs through HTTP or SDKs.

  • Using REST APIs through HTTP

    To join an appliance to a cluster, specify the required parameters in the cluster object. For example, to join a Citrix ADC appliance to a cluster.

  • Request

    HTTP Method: POST

URL: http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/cluster

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
"cluster":
    {
    "clip":"10.102.29.61",
    "password":"verysecret"
    }
}
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  • Response

    HTTP Status Code on Success: 201 Created

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

    The com.citrix.netscaler.nitro.resource.config.cluster.cluster class provides the join() API to join a Citrix ADC appliance to the cluster. You must specify the cluster IP address and the nsroot password of the configuration coordinator.

The following sample code joins a Citrix ADC appliance to a cluster.

Java - Sample code to join an appliance to a cluster

cluster new_cl_obj = new cluster();

//Set the properties of the cluster  locally

new_cl_obj.set_clip("10.102.29.61");

new_cl_obj.set_password("verysecret");

//Upload the cluster

cluster.add(ns_session,new_cl_obj);
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.NET - Sample code to join an appliance to a cluster

cluster new_cl_obj = new cluster();

//Set the properties of the cluster locally

new_cl_obj.clip = "10.102.29.61";

new_cl_obj.password = "verysecret";

//Upload the cluster node

cluster.add(ns_session,new_cl_node_obj);
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Python - Sample code to join an appliance to a cluster

new_cl_obj = cluster()

# Set the properties of the cluster locally

new_cl_obj.clip = "10.102.29.61"

new_cl_obj.password = "verysecret"

# Upload the cluster

cluster.add(ns_session, new_cl_obj)
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Linkset Operations

This topic covers some linkset operations by using REST APIs through HTTP or SDKs.

  • Using REST APIs through HTTP

    To configure a linkset, do the following:

Create a linkset by specifying the required parameters in the linkset object. For example, to add a linkset LS/1:

Request:

HTTP Method: POST

URL: http://<cluster-ip-address>/nitro/v1/config/linkset

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

  • Request Payload

    ```json

{ “linkset”: { “id”:”LS/1” } }


-  `Response`

    `HTTP Status Code on Success:` 201 Created

`HTTP Status Code on Failure:` 4xx &lt;string&gt; (for general HTTP errors) or 5xx &lt;string&gt; (for Citrix-ADC-specific errors). The response payload provides details of the error.

Bind the required interfaces to the linkset by specifying the interfaces in the linkset_interface_binding object.For example, to bind interfaces 1/1/2 and 2/1/2 to linkset LS/1.

-  `Request`

    `HTTP Method:` PUT

`URL:` http://\<cluster-ip-address\>/nitro/v1/config/linkset_interface_binding/LS%2F1?action=bind
`Note.` The linkset name (LS/1), must be URL encoded as LS%2F1.

`Request Headers:`

Cookie:NITRO_AUTH_TOKEN=\<tokenvalue>

Content-Type:application/json

`Request Payload:`

```json
{
"linkset_interface_binding":
    {
    "id":"LS/1",
    "ifnum":"1/1/2 2/1/2"
    }
}
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  • Response

    HTTP Status Code on Success: 200 Ok

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

    The com.citrix.netscaler.nitro.resource.config.network.linkset class provides the APIs to manage linksets.

To configure a linkset, do the following:

  1. Add a linkset by invoking the add() method of the linkset class.
  2. Bind the interfaces to the linkset using the add() method of the linkset_interface_binding class.

The following sample code creates a linkset LS/1 and bind interfaces 1/1/2 and 2/1/2 to it.

Java - Sample code to configure linksets

linkset new_linkset_obj = new linkset();

new_linkset_obj.set_id("LS/1");

linkset.add(ns_session,new_linkset_obj);

//Bind the interfaces to the linkset

linkset_interface_binding new_linkif_obj = new linkset_interface_binding();

new_linkif_obj.set_id("LS/1");

new_linkif_obj.set_ifnum("1/1/2 2/1/2");

linkset_interface_binding.add(ns_session,new_linkif_obj);
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.NET - Sample code to configure linksets

linkset new_linkset_obj = new linkset();

new_linkset_obj.id = "LS/1";

linkset.add(ns_session,new_linkset_obj);

//Bind the interfaces to the linkset

linkset_interface_binding new_linkif_obj = new linkset_interface_binding();

new_linkif_obj.id = "LS/1";

new_linkif_obj.ifnum = "1/1/2 2/1/2";

linkset_interface_binding.add(ns_session,new_linkif_obj);
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Python - Sample code to configure linksets


# Create a new linkset

new_linkset_obj = linkset()

new_linkset_obj.id = "LS/1"

linkset.add(ns_session, new_linkset_obj)

# Bind the interfaces to the linkset

new_linkif_obj = linkset_interface_binding()

new_linkif_obj.id = "LS/1"

new_linkif_obj.ifnum = "1/1/2 2/1/2"

linkset_interface_binding.add(ns_session, new_linkif_obj)
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Configuring Admin Partitions

To create an admin partition, you must perform a set of operations on the default partition. To understand this procedure, let us consider a company that has two departments each of which has an application that requires the Citrix ADC functionality. The Citrix ADC admin wants to have a different partition for each department so that there is isolation of users and configurations. For detailed information and best practices, see Admin Partitions.

Creating an Admin Partition

While creating an admin partition, you must also specify the system resources that must be allocated to that partition.

  • Using REST APIs through HTTP

    The following example creates an admin partition named partition-dept1.

  • Request

    HTTP Method: POST

URL: http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/nspartition

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
"nspartition":
{
    "partitionname":"partition-dept1",
    "maxbandwidth":"10240",
    "minbandwidth":"10240",
    "maxconn":"1024",
    "maxmemlimit":"10"
}
}
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  • Response

    HTTP Status Code on Success: 201 Created

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

    The following sample code creates an admin partition named partition-dept1.

Java - Sample code to create an admin partition

nspartition nspartitionObject = new nspartition();

nspartitionObject.set_partitionname("partition-dept1");

nspartitionObject.set_maxbandwidth(10240);

nspartitionObject.set_maxconn(1024);

nspartitionObject.set_maxmemlimit(10);

nspartitionObject.set_minbandwidth(1240);

base_response result = nspartition.add(nitroService, nspartitionObject);
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.NET - Sample code to create an admin partition

nspartition nspartitionObject = new nspartition();

nspartitionObject.partitionname = "partition-dept1";

nspartitionObject.maxbandwidth = 10240;

nspartitionObject.maxconn = 1024;

nspartitionObject.maxmemlimit = 10;

nspartitionObject.minbandwidth = 1240;

base_response result = nspartition.add(nitroService, nspartitionObject);
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Python - Sample code to create an admin partition

nspartitionObject = nspartition()

nspartitionObject.partitionname = "partition-dept1"

nspartitionObject.maxbandwidth = 10240

nspartitionObject.maxconn = 1024

nspartitionObject.maxmemlimit = 10

nspartitionObject.minbandwidth = 1240

result = nspartition.add(nitroService, nspartitionObject)
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Associating Users with Partitions

Associate the appropriate users with the partition.

  • Using REST APIs through HTTP

    The following example associates user1 to a partition named partition-dept1.

  • Request

    HTTP Method: PUT

URL: http://<Citrix-ADC-ip-address(NSIP)>/nitro/v1/config/systemuser_nspartition_binding/user1

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
    "systemuser_nspartition_binding":
    {
    "username":"user1",
    "partitionname":"partition-dept1"
    }
}
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  • Response

    HTTP Status Code on Success: 201 Created

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

    The following sample code associates “user1” to a partition named “partition-dept1”.

Java - Sample code for associating user with partition

systemuser_nspartition_binding systemuser_nspartition_binding_object = new systemuser_nspartition_binding();

systemuser_nspartition_binding_object.set_partitionname("partition-dept1");

systemuser_nspartition_binding_object.set_username("user1");

base_response result = systemuser_nspartition_binding.add(nitroService, systemuser_nspartition_binding_object);
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.NET - Sample code for associating user with partition

systemuser_nspartition_binding systemuser_nspartition_binding_object = new systemuser_nspartition_binding();

systemuser_nspartition_binding_object.partitionname = "partition-dept1";

systemuser_nspartition_binding_object.username = "user1";

base_response result = systemuser_nspartition_binding.add(nitroService, systemuser_nspartition_binding_object);
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Python - Sample code for associating user with partition

systemuser_nspartition_binding_object =  systemuser_nspartition_binding()

systemuser_nspartition_binding_object.partitionname = "partition-dept1"

systemuser_nspartition_binding_object.username = "user1"

result = systemuser_nspartition_binding.add(nitroService, systemuser_nspartition_binding_object)
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Specifying Command Policy for Partition Users

Associate an appropriate command policy to the admin partition user.

  • Using REST APIs through HTTP

    The following example associates the command policy partition-admin to user1.

  • Request

    HTTP Method: PUT

URL: http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/systemuser_systemcmdpolicy_binding/user1

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
    "systemuser_systemcmdpolicy_binding":
    {
    "username":"user1",
    "policyname":"partition-admin",
    "priority":"1"
    }
}
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  • Response

    HTTP Status Code on Success: 201 Created

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

    The following sample code associates the command policy “partition-admin” to “user1”.

Java - Sample code to specify command policy for partition user

systemuser_systemcmdpolicy_binding binding_object = new systemuser_systemcmdpolicy_binding();

binding_object.set_username("user1");

binding_object.set_policyname("partition-admin");

binding_object.set_priority(1);

base_response result = systemuser_systemcmdpolicy_binding.add(nitroService,binding_object);
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.NET - Sample code to specify command policy for partition user

systemuser_systemcmdpolicy_binding binding_object = new systemuser_systemcmdpolicy_binding();

binding_object.username = "user1";

binding_object.policyname = "partition-admin";

binding_object.priority = 1;

base_response result = systemuser_systemcmdpolicy_binding.add(nitroService,binding_object);
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Python - Sample code to specify command policy for partition user

binding_object = systemuser_systemcmdpolicy_binding()

binding_object.username = "user1"

binding_object.policyname = "partition-admin"

binding_object.priority = 1

result = systemuser_systemcmdpolicy_binding.add(nitroService,binding_object)
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Specifying the Admin Partition VLAN or Bridgegroup

Specify the VLANs or bridgegroups to be associated with the partition. This step ensures network isolation of the traffic. Traffic received on the interfaces of the VLAN or bridgegroup is isolated from the traffic of other partitions.

  • Using REST APIs through HTTP

    The following example specifies a VLAN for an admin partition.

  • Request

    HTTP Method: PUT

URL: http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/nspartition_vlan_binding/partition-dept1

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
    "nspartition_vlan_binding":
    {
    "partitionname":"partition-dept1",
    "vlan":"2"
    }
}
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  • Response

    HTTP Status Code on Success: 201 Created

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

    The following sample code specifies a VLAN for an admin partition.

Java - Sample Code to specify the VLAN

nspartition_vlan_binding nspartition_vlan_binding_object = new nspartition_vlan_binding();

nspartition_vlan_binding_object.set_vlan(2);

nspartition_vlan_binding_object.set_partitionname("partition-dept1");

base_response result = nspartition_vlan_binding.add(nitroService, nspartition_vlan_binding_object);
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.NET - Sample code to specify the VLAN

nspartition_vlan_binding nspartition_vlan_binding_object = new nspartition_vlan_binding();

nspartition_vlan_binding_object.vlan = 2;

nspartition_vlan_binding_object.partitionname = "partition-dept1";

base_response result = nspartition_vlan_binding.add(nitroService, nspartition_vlan_binding_object);
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Python - Sample code to specify the VLAN

nspartition_vlan_binding_object = nspartition_vlan_binding()

nspartition_vlan_binding_object.vlan = 2

nspartition_vlan_binding_object.partitionname = "partition-dept1"

result = nspartition_vlan_binding.add(nitroService, nspartition_vlan_binding_object)
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Switching Partitions

If you are associated with multiple admin partitions, you can switch to the required partition.

  • Using REST APIs through HTTP

    The following example shows how to switch from current partition to a partition named partition-dept2.

  • Request

    HTTP Method: POST

URL: http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/nspartition?action=Switch

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
    "nspartition":
    {
    "partitionname":"partition-dept2"
    }
}
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  • Response

    HTTP Status Code on Success: 201 Created

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

    The following sample code switches from current partition to a partition named “partition-dept2”.

Java - Sample code to switch partitions

nspartition nspartitionObject = new nspartition();

vnspartitionObject.set_partitionname("partition-dept2");

base_response result = nspartition.Switch(nitroService, nspartitionObject);
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.NET - Sample code to switch partitions

nspartition nspartitionObject = new nspartition();

nspartitionObject.partitionname = "partition-dept2";

base_response result = nspartition.Switch(nitroService, nspartitionObject);
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Python - Sample code to switch partitions

nspartitionObject = nspartition()

nspartitionObject.partitionname = "partition-dept2"

result = nspartition.Switch(nitroService, nspartitionObject)
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Managing AppExpert Applications

The following sections talks about exporting and importing an AppExpert application using NITRO APIs.

Exporting an AppExpert Application

This topic covers exporting an AppExpert application by using REST APIs through HTTP or SDKs.

  • Using REST APIs through HTTP

    To export an AppExpert application, specify the parameters needed for the export operation in the apptemplateinfo object. Optionally, you can specify basic information about the AppExpert application template, such as the author of the configuration, a summary of the template functionality, and the template version number, in the template_info object. This information is stored as part of the template file that is created.

For example, to export an AppExpert application named MyApp1.

  • Request

    HTTP Method: POST

URL: http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/apptemplateinfo?action=export

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
    "apptemplateinfo":
    {
        "appname":"MyApp1",
        "apptemplatefilename":"BizAp.xml",
        "template_info":
        {
            "templateversion_major":"2",
            "templateversion_minor":"1",
            "author":"XYZ",
            "introduction":"Intro",
            "summary":"Summary"
        }
    }
}
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  • Response

    HTTP Status Code on Success: 200 OK

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

    To export an AppExpert application, you must do the following:

  1. Instantiate the com.citrix.netscaler.nitro.resource.config.app.application class.

    Note. For the python SDK, the package path is of the form nssrc.com.citrix.netscaler……

  2. Configure the properties of the AppExpert locally.
  3. Export the AppExpert application.

The following samples export an AppExpert application named MyApp1.

JAVA - sample code to export an AppExpert application

application myapp = new application();
myapp.set_appname("MyApp1");
myapp.set_apptemplatefilename("myapp_template");
application.export(ns_session,myapp);
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.NET - sample code to export an AppExpert application

application myapp = new application();
myapp.appname = "MyApp1";
myapp.apptemplatefilename = "myapp_template";
application.export(ns_session,myapp);
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Python - sample code to export an AppExpert application

myapp = application()
myapp.appname = "MyApp1"
myapp.apptemplatefilename = "myapp_template"
application.export(ns_session, myapp)
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Importing an AppExpert Application

This topic covers importing an AppExpert application by using REST APIs through HTTP or SDKs.

  • Using REST APIs through HTTP

    To import an AppExpert application, specify the parameters needed for the import operation in the apptemplateinfo object.

For example, to import an AppExpert application named MyApp1.

  • Request

    HTTP Method: POST

URL: http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/apptemplateinfo?action=import

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
"apptemplateinfo":
{
    "apptemplatefilename":"BizAp.xml",
    "deploymentfilename":"BizAp_deployment.xml",
    "appname":"MyApp1"
}
}
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  • Response

    HTTP Status Code on Success: 200 OK

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

To import an AppExpert application by specifying different deployment settings.

  • Request

    HTTP Method: POST

URL: http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/apptemplateinfo?action=import

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
    "apptemplateinfo":
    {
    "apptemplatefilename":"BizAp.xml",
    "appname":"Myapp2",
    "deploymentinfo":
    {
        "appendpoint":
        [
            {
                "ipv46":"11.2.3.8",
                "port":80,
                "servicetype":"HTTP"
            }
        ],
        "service":
        [
            {
                "ip":"12.3.3.15",
                "port":80,
                "servicetype":"SSL"
            },
            {
                "ip":"14.5.5.16",
                "port":443,
                "servicetype":"SSL"
            }
        ]
    }
    }
}
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  • Response

    HTTP Status Code on Success: 200 OK

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

  • Using REST APIs through SDKs

    To import an AppExpert application, you must do the following:

  1. Instantiate the com.citrix.netscaler.nitro.resource.config.app.application class.

    Note. For the python SDK, the package path is of the form nssrc.com.citrix.netscaler……

  2. Configure the properties of the AppExpert locally.
  3. Import the AppExpert application.

The following samples import an AppExpert application named MyApp1.

Java - sample code to import an AppExpert application

application myapp = new application();
myapp.set_appname("MyApp1");
myapp.set_apptemplatefilename("myapp_template");
application.Import(ns_session,myapp);
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.NET - sample code to import an AppExpert application

application myapp = new application();
myapp.appname = "MyApp1";
myapp.apptemplatefilename = "myapp_template";
application.Import(ns_session,myapp);
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Python - sample code to import an AppExpert application

myapp = application()
myapp.appname = "MyApp1"
myapp.apptemplatefilename = "myapp_template"
application.Import(ns_session, myapp)
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Automate Citrix ADC Upgrade and Downgrade with a Single API

You can use the “install” API to automate not just installation, but also an upgrade or a downgrade of the build on a Citrix ADC appliance. You can specify a local or remote location for the build file.

  • Using REST APIs through HTTP

    For example, the following information describes a downgrade to Citrix ADC release 10.5 build 46, using a local build file:

  • Request

    HTTP Method: POST

URL: http://<NSIP>/nitro/v1/config/install

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue >

Content-Type: application/json

Request Payload:

{

“install”:

{

        “url”: “file:///var/tagma/build_tagma_46_nc.tgz”

    }

}
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  • Response

    HTTP status Code on Success:

201 Created

209 Citrix ADC specific warning

Note. when “y” option is not specified and warning is enabled, API returns “1120 - The configuration must be saved and the system rebooted for these settings to take effect” message in X-NITRO-WARNING.

HTTP Status Code on Failure: 599 Citrix ADC specific error

  • Additional parameters available in the install API request payload

    • “y”:“true” - This option enables reboot on successful loading of kernel.
  • “L”:“true” - This option enables the callhome feature.

Supported formats for the "url" parameter (specifies the location of the tar.gz file for the build)

  • http://[user]:[password]@host/path/to/file
  • https://[user]:[password]@host/path/to/file
  • sftp://[user]:[password]@host/path/to/file
  • scp://[user]:[password]@host/path/to/file
  • ftp://[user]:[password]@host/path/to/file
  • file://path/to/file

  • Possible errors

    • Installation failed. [No space on file system. Please check the log file /var/tmp/install​]
  • Installation failed. [File transfer failed]
  • Installation failed. [File does not exist]
  • Installation failed. [Failed to copy file to /var/tmp]
  • Installation failed. [Extraction failed, invalid tar archive?​]
  • Installation failed. [Invalid file transfer protocol]
  • Installation failed. [Unable to create temporary directory]
  • Installation failed. [Please check the log file /var/tmp/install for more information]

Handle Multiple NITRO Calls in a Single Request

You can use the “macroapi” API to create, update, and delete multiple resources simultaneously, and thereby minimize network traffic. For example, multiple load-balancing virtual servers can be added in a single API.

To account for the failure of some operations within the bulk operation, NITRO allows configuring one of the following behaviors.

  • EXIT. When the first error is encountered, execution stops. The commands that were executed before the error are committed.
  • ROLLBACK. When the first error is encountered, execution stops. The commands that were executed before the error are rolled back. Rollback is supported for add and bind commands only.
  • CONTINUE. All the commands in the request are executed even if some commands fail.

You must specify the behavior of the bulk operation in the request header, by using the X-NITRO-ONERROR parameter.

  • Advantages

    Heterogeneous resources can be configured with a single API. For example, multiple load balancing virtual servers and multiple services can be created, and services can be bound to load balancing virtual servers in a single API.

  • Limitations

    Only homogenous operation is supported in this API. For example, multiple load balancing virtual servers can be created but cannot be updated or deleted in the same API. “rollback” is supported only on “add” and “bind” operations.

  • Using REST APIs through HTTP

    To add multiple load balancing resources in a single request:

  • Request

    HTTP Method: POST

URL: http://<NSIP>/nitro/v1/config/macroapi

Request Headers:

Content-Type: application/json

Cookie: NITRO_AUTH_TOKEN=<tokenvalue>

X-NITRO-ONERROR: exit

Request Payload:

{

"lbvserver":[

{"name":"lbv1","servicetype":"http"},

{"name":"lbv2","servicetype":"http"}

],

"serviceGroup": [

{ "servicegroupname": "sg1", "servicetype": "HTTP" },

{ "servicegroupname": "sg2", "servicetype": "HTTP" }

],

"lbvserver_servicegroup_binding":[

{ "name":"lbv1", "servicegroupname":"sg1" },

{ "name":"lbv2", "servicegroupname":"sg2" }

]

}
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  • Response

    HTTP Status Code on Success: 201 Created for the add operation and 200 OK for the update operation.

HTTP Status Code on Failure: 207 Multi Status with error details in the response payload. For more information, see Error Handling.

For deleting multiple resources using macroapi, use POST HTTP method with query parameter “action=remove” in the URI.

Batch API support for NITRO calls

The batchapi API can handle multiple NITRO calls in a single request and thereby minimize network traffic.

You can perform the following operations using batchapi:

  • You can use batchapi to create, update, and delete multiple heterogenous resources simultaneously.
  • You can use batchapi to retrieve information of multiple heterogenous resources.

Note:

batchapi allows you to perform different operations across the NITRO resources in the request. Whereas macroapi limits to the same operation.

To account for the failure of some operations within the bulk operation, NITRO allows configuring one of the following behaviors:

  • EXIT. When the first error is encountered, execution stops. The commands that were executed before the error are committed.
  • CONTINUE. All the commands in the request are executed even if some commands fail.

Ignore specific error messages for command by specifying list of error messages to be ignored as part of key ignore_error_messages.

Advantages of using Batch API

batchapi works like batch command in CLI, wherein you can perform multiple operations in a single API. For example, you can add multiple load balancing virtual servers, update multiple services, delete multiple services in a single API.

batchapi allows you to perform different operations across the NITRO resources in the request. Whereas the macroapi API limits to the same operation.

Limitations

  • ROLLBACK on failure is not supported.
  • GET operation cannot be executed along with the config operations.
  • batchapi does not support the following operations:
    • desiredState API for servicegroup
    • idempotent
    • bulkbindings

Configure features using batch API

You can use batchapi to create, update, and delete multiple heterogenous resources simultaneously.

Use following convention to specify the action to be performed on each command within batchapi.

Operation to perform Action key value
CREATE/POST/BIND ADD
UPDATE/PUT SET
REMOVE/DELETE/UNBIND REMOVE

Use the same keyword in the “action” field for non-CRUD operations. For example, enable, disable, link, unlink, and update operations.

The following batchapi request:

  • enables load balancing feature
  • adds a load balancing virtual server
  • adds a servicegroup
  • binds the load balancing virtual server to the servicegroup
  • updates load balancing monitor response code in a single request

Request components

Request field Value
HTTP Method POST
URL http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/batchapi
Request Headers Content-Type: application/json
Request Payload {“batchapi”:[

{“action”: “disable”, “type”: “nsfeature”, “properties”: {“feature”: [“lb”]}},

{“action”: “ADD”, “type”: “lbvserver”, “properties”: {“name”: “lbv1”, “servicetype”: “HTTP”}, “ignore_error_messages”: {“errorcode” : 273, “message” : “Resource already exists”}]},

{ “action”: “ADD”, “type”: “servicegroup”, “properties”: {“servicegroupname”: “sg1”, “servicetype”: “HTTP”}},

{ “action”: “ADD”, “type”: “lbvserver_servicegroup_binding”, “properties”: { “name”: “lbv1”, “servicegroupname”: “sg1”}},

{ “action”: “ADD”, “type”: “sslcertKey”, “properties”: {“certkey”: “test_cert”,”cert”: “ns-root.cert”, “key”: “ns-root.key”}},

{ “action”: “SET”, “type”: “lbmonitor”, “properties”: {“monitorname”: “http”, “type”: “HTTP”,”respcode”: [“201”]}}

]}

Response components

The following lists the possible status codes returned for a batchapi call used for configuring features:

  • HTTP Status Code on Success: 201.
  • HTTP Status Code on Failure: 207 Multi Status with error details in the response payload. For more information, see Error and Exception Handling.

Retrieve configuration information using batch API

You can use batchapi to retrieve information about multiple heterogenous resources.

Note:

Use either key id for sending unique identifier parameter value or use properties field to add unique identifier parameters (some resources have multiple unique identifier parameters).

The following lists the query parameters that are supported in a batchapi show request:

  • filter. Retrieves filtered information.
  • view. Retrieves summarized information view=summary
  • count. Retrieves only the count of resources if count=YES
  • attrs. Retrieves information about the specified attributes.

Request components

The following request is an example to retrieve multiple resources in a single batchapi request.

Request field Value
HTTP Method POST
URL http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/batchapi?action=GET

or

http://<Citrix-ADC-IP-address(NSIP)>/nitro/v1/config/batchapi?action=SHOW
Request Headers Content-Type: application/json
Request Payload { “batchapi”: [

{ “type”: “lbvserver”, “id”: “lbv1”, “query_params” : {“attrs”: [“name”, “lbmethod”]} },

{ “type”: “lbvserver”, “id”: “lbv1”, “query_params” : {“view”: “summary”} },

{ “type”: “servicegroup”, “query_params” : {“count”: “YES”} },

{ “type”: “lbvserver_servicegroup_binding”, “id”: “lbv1”, “query_params” : {“filter”: {“servicegroupname”: “sg1”}} },

{ “type”: “admparameter” }

]}

Response components

The following lists the possible status codes returned for a batchapi call used for retrieving configuration information:

  • HTTP Status Code on Success. 200 OK.
  • HTTP Status Code on Failure. 207 Multi Status with error details in the response payload. For more information, see Error and Exception Handling.

The sample response payload contains the information that was requested:

Response field Value
Response payload { “batchapi” : [

{ “errorcode” : 0, “lbvserver” : [ { “lbmethod” : “LEASTCONNECTION”, “name” : “lbv1” } ], “message” : “Done”, “severity” : “NONE”},

{ “errorcode” : 0, “lbvserver” : [ { “curstate” : “DOWN”, “effectivestate” : “DOWN”, “ipv46” : “0.0.0.0”, “lbmethod” : “LEASTCONNECTION”, “name” : “lbv1”, “port” : 0, “servicetype” : “HTTP”, “td” : “0” } ], “message” : “Done”, “severity” : “NONE” },

{ “errorcode” : 0, “message” : “Done”, “servicegroup” : [ { “__count” : 1 } ], “severity” : “NONE” },

{“errorcode” : 0, “lbvserver_servicegroup_binding” : [ { “name” : “lbv1”, “servicegroupname” : “sg1”, “servicename” : “sg1”, “stateflag” : “536936463” } ], “message” : “Done”, “severity” : “NONE” },

{ “admparameter” : { “admserviceconnect” : “ENABLED” }, “errorcode” : 0, “message” : “Done”, “severity” : “NONE” }

],
“errorcode” : 0,
“message” : “Done”, “severity” : “NONE”
}

Update service group with desired member set seamlessly using Desired State API

One of the most frequently modified configurations on a Citrix ADC appliance is service group member set. Depending on the scale requirements or runtime changes to application servers, the service group member configuration on the appliance must be updated. In large scale and dynamically changing deployments, there might be a delay in updating the appliance configuration.

Desired State API solves this problem by accepting the intended member set for a service group in a single API, thereby effectively updating the configuration. Using Desired State API, you can:

  • Provide a list of service group members in a single PUT request on “servicegroup_servicegroupmemberlist_binding” resource.
  • Provide their weight and state (optional) in that PUT request.
  • Effectively synchronize the appliance configuration with deployment changes around application servers.

The Citrix ADC appliance compares the requested desired member set with the configured member set. Then, it automatically binds the new members and unbinds the members that are not present in the request.

To enable graceful unbind of the service group members, set the autodisablegraceful and autodisabledelay parameters on the service group resource. When these parameters are set, the members are unbound gracefully as specified in the configuration and not immediately. For more information on graceful unbind, see Configure a desired set of service group members for a service group in one NITRO API call.

Advantages of Desired State API

The following are some of the advantages of using the Desired State API.

  • Better performance because a single API is used to bind and unbind multiple service group members.
    • Desired State API is better than macroapi for service group member changes, as one can perform only either bulk bind or bulk unbind but not both in single macroapi API.
    • Also, Desired State API implementation is driven inside the Citrix ADC Packet Engine which enhances performance.
  • Synchronize deployment changes to Citrix ADC appliance in large scale deployments, such as Cloud Native deployments.

In large scale and highly dynamic deployments (for example Kubernetes, OpenShift, Pivotal), the challenge is to keep the appliance configuration up-to-date with the rate of change of deployments to accurately serve the application traffic.

In such deployments, controllers (Ingress or E-W Controller) are responsible for updating ADC configuration. In Kubernetes, whenever there are changes to deployment, kube-api server sends the effective set of endpoints through ‘Endpoints event’ to the controller. The controller uses the Read-Delta-Modify approach where it performs the following:

  • Fetches the currently configured endpoint set (service group member set of a service group) for the service undergoing the change from ADC appliance.

  • Compares the configured endpoint set with the set in the received event.
  • Binds the new endpoints (service group members), or unbinds the deleted endpoints.

Because the rate of change and the size of services is high in this environment, this configuration method is not efficient and might delay configuration updates.

Notes:

  • Support for Desired State API is available only for HA deployments.
  • Support for Desired State API within macroapi is supported from release Citrix ADC 13.0 build 52.24.
  • Desired State API within macroapi does not support rollback operation.
  • The service group on which Desired State API is being used must have the Autoscale parameter set to “API.” Otherwise, Desired State NITRO API returns the “Operation not permitted” error.
  • You can only bind IP address based services using Desired State API, Domain Name based services are not allowed.

Payloads

Request

HTTP Method: PUT Request Headers: Content-Type: application/json Cookie: NITRO_AUTH_TOKEN=<tokenvalue> URL: http://<nsip>/nitro/v1/config/servicegroup_servicegroupmemberlist_binding/activesvcgrp

Request Payload:

{
"servicegroup_servicegroupmemberlist_binding":
{
"servicegroupname":"activesvcgrp",
"members":
[
{ "ip":"10.112.123.17", "port":80, "weight":1},
{ "ip":"10.112.123.18", "port":8080, "weight":1},
{ "ip":"10.112.123.19", "port":80, "weight":1}
]
}
}
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Response

Success Case:

Headers: HTTP/1.1 200 Ok Payload: NULL

Failure Case Headers: HTTP/1.1 207 Multi Status Payload: If there are validation failures, NITRO API returns an error with message indicating the problem with the request payload. For example,

{
"errorcode": 1110,
"message": "Invalid IP address [127.0.02]",
"severity": "ERROR"
}
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If there are runtime failures (for example memory allocation failures), the ADC appliance might not be able to create all the desired member sets. In such cases, the NITRO API returns an error with failedmembers parameter listing the set of members which are not created. The recommendation is to retry the operation after some timeout. If the error persists, check the appliance memory and take action accordingly.

{
            “errorcode”:1442,
            “message”: “Failed to bind some servicegroup members”,
            “severity”: “ERROR”,
            “servicegroupmember_servicegroupmemberlist_binding”:
              {
                “servicegroupname”:”foo”,
                “failedmembers”:
                [
                             { "ip":"10.112.123.17", "port":8080, "weight":1},
                             { "ip":"10.112.123.19", "port":80, "weight":1}
                ]
              }
}
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Simplify Management Operations with an Idempotent API

You can add or update Citrix ADC resources seamlessly, with a single API. Previously, an attempt to add a resource that was already configured, or to update a resource that was not yet configured, caused an error.

If you enable the “idempotent” query parameter (“idempotent=yes”) in any POST request, NITRO executes the request in an idempotent manner. An idempotent HTTP method is an HTTP method that can be called many times without different results, and POST is desinged as a non-idempotent method.

Note. Use POST request with “idempotent” option if you are unsure whether the resource in the request exists on Citrix ADC or not.

This API hides the inconsistencies between parameter lists of POST and PUT operations. For some NITRO resources, certain parameters are accepted only on PUT not in POST, or vice versa. By using this idempotent API, you can overcome such challenges.

  • Limitations

    If a resource is already configured and you try to add the same resource again, the resource is “updated,” but the arguments already present are not unset. For example, if a load balancing virtual server named “V1” is configured to use the round robin load balancing method, and you try to ADD an lbvserver named “V1” without specifying a value for “lbmethod” in the request, the Citrix ADC appliance does not unset “lbmethod” to its default value of “leastconnection.”

  • Using REST APIs through HTTP

    In the following example, “preferredntpserver” is allowed only in PUT, but when given in POST request with idempotent=yes, NITRO internally adds the ntpserver and updates it with given properties.

  • Request

    HTTP Method: POST

URL: http://<NSIP>/nitro/v1/config/ntpserver?idempotent=yes

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type: application/json

Request Payload:

{

“ntpserver”:{“servername”:“ntp1,“minpoll”:“4,  “preferredntpserver”: “yes”}

}
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  • Response

    HTTP Status Code on Success: 200 OK

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

Retrieve Bindings in Bulk

This topic covers retrieving bindings information in bulk by using REST APIs through HTTP.

  • Using REST APIs through HTTP

    You can use a bulk GET API to fetch bindings of all the entities of a given entity type.

For example, you can fetch bindings of all the load balancing virtual servers in one call instead of by using multiple GET by “name” calls. In the examples below, the Citrix ADC appliance has the following configuration.

  • add lb vserver lbv1 http
  • add lb vserver lbv2 http
  • add service svc1 10.20.30.40 http 80
  • add servicegroup sg1 http
  • bind lb vserver lbv1 svc1
  • bind lb vserver lbv1 sg1
  • bind lb vserver lbv2 svc1
  • bind lb vserver lbv2 sg1

Example - To fetch bindings of all lbvservers, in a single NITRO API

  • Request

    HTTP Method: GET

URL: http://<NSIP>/nitro/v1/config/lbvserver_binding?bulkbindings=yes

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Accept: application/json

  • Response

    HTTP Status Code on Success: 200 OK

HTTP Status Code on Failure: 4xx <string> (for general HTTP errors) or 5xx <string> (for Citrix-ADC-specific errors). The response payload provides details of the error.

Response Header: Content-Type:application/json

Response Payload:

{

"errorcode":0,

"message":"Done",

"severity":"NONE",

"lbvserver_binding":[

{

    "name":"lbv1",

    "lbvserver_service_binding":[

    {

        "name":"lbv1",

        "servicename":"svc1",

        "stateflag":"536936451",

        "ipv46":"10.20.30.40",

        "port":80,

        "servicetype":"HTTP",

        "curstate":"DOWN",

        "weight":"1",

        "dynamicweight":"0",

        "cookieipport":"",

        "vserverid":"mcw1",

        "vsvrbindsvcip":"10.20.30.40",

        "vsvrbindsvcport":80,

        "preferredlocation":""

    }

    ],

    "lbvserver_servicegroup_binding":[

    {

        "name":"lbv1",

        "servicegroupname":"sg1",

        "stateflag":"536936464",

        "servicename":"sg1"

    }

    ]

},

{

    "name":"lbv2",

    "lbvserver_service_binding":[

    {

        "name":"lbv2",

        "servicename":"svc1",

        "stateflag":"536936451",

        "ipv46":"10.20.30.40",

        "port":80,

        "servicetype":"HTTP",

        "curstate":"DOWN",

        "weight":"1",

        "dynamicweight":"0",

        "cookieipport":"",

        "vserverid":"mcw2",

        "vsvrbindsvcip":"10.20.30.40",

        "vsvrbindsvcport":80,

        "preferredlocation":""

    }

    ],

    "lbvserver_servicegroup_binding":[

    {

        "name":"lbv2",

        "servicegroupname":"sg1",

        "stateflag":"536936464",

        "servicename":"sg1"

    }

    ]

}

]

}
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Example - To fetch only “service” bindings of all lbvservers

  • Request

    HTTP Method: GET

URL: http://<NSIP>/nitro/v1/config/lbvserver_service_binding?bulkbindings=yes

Request Header: Content-Type:application/json

  • Response

    Response Payload:

{

"errorcode":0,

"message":"Done",

"severity":"NONE",

"lbvserver_service_binding":[

    {

        "name":"lbv1",

        "servicename":"svc1",

        "stateflag":"536936451",

        "ipv46":"10.20.30.40",

        "port":80,

        "servicetype":"HTTP",

        "curstate":"DOWN",

        "weight":"1",

        "dynamicweight":"0",

        "cookieipport":"",

        "vserverid":"mcw1",

        "vsvrbindsvcip":"10.20.30.40",

        "vsvrbindsvcport":80,

        "preferredlocation":""

    },

    {

        "name":"lbv2",

        "servicename":"svc1",

        "stateflag":"536936451",

        "ipv46":"10.20.30.40",

        "port":80,

        "servicetype":"HTTP",

        "curstate":"DOWN",

        "weight":"1",

        "dynamicweight":"0",

        "cookieipport":"",

        "vserverid":"mcw2",

        "vsvrbindsvcip":"10.20.30.40",

        "vsvrbindsvcport":80,

        "preferredlocation":""

    }

    ]

}
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View Individual Counter Information

This topic viewing individual counter information by using REST APIs through HTTP.

  • Using REST APIs through HTTP

    To view global counters that are not otherwise shown by the Citrix ADC CLI or the GUI, you can now use the following URL format.

URL: http://<NSIP>/nitro/v1/stat/nsglobalcntr?args=counters:<counter1>;<counter2>

Previously, these counter values could be viewed only through the “nsconmsg” Shell command.

Note. You can view only global counters of type ULONG and only up to 12 counters in a single request.

  • Example

    This example shows how to view the individual counters http_tot_Requests and http_tot_Responses. Enter the details in the system or tool that you are using to generate HTTP or HTTPS requests.

  • Request

    HTTP Method: GET

URL: http://<NSIP>/nitro/v1/stat/nsglobalcntr?args=counters:http_tot_Requests;http_tot_Responses

  • Response
{
"errorcode": 0,

"message": "Done",

"severity": "NONE",

"nsglobalcntr":
    {
    "http_tot_Requests": "5783",
    "http_tot_Responses": "5783"
    }
}
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Prevent XSS and CSRF Attacks by Disabling Basic Authentication

As an administrator or a root user, you can now prevent users from making API calls after using basic authentication (such as one-time credentials) to log on. You can use this feature to prevent Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF), and other types of attacks.

  • Procedure for Disabling Basic Authentication

    Use the following formats to enter the details in the system or tool that you are using to generate HTTP or HTTPS requests.

  • Using REST APIs through HTTP

    • Request

      URL: http://<Citrix-ADC-ip-address(NSIP)>/nitro/v1/config/systemparameter

HTTP Method: PUT

Request Headers:

Cookie:NITRO_AUTH_TOKEN=<tokenvalue>

Content-Type:application/json

Request Payload:

{
    "systemparameter":{ "basicauth":"disabled",}

}
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  • Response

    HTTP Status Code on Success: 200 OK

After you disable the basic authentication, access to Citrix ADC through the one-time password is denied and an error message is displayed.

HTTP Method: GET

After you make a GET call, the a logon screen appears. If you click Log In after entering the logon credentials, then you get the following response, which shows an error message.

  • Response
{"errorcode": 1244,"message": "Authentication Failed: Use of Basic Authentication is Disabled.","severity": "ERROR"
}
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