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Call SAP HANA Cockpit GET APIs

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Call SAP HANA Cockpit GET APIs
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Call SAP HANA Cockpit GET APIs

2018-11-20
Beginner
15 min.
SAP HANA, Tutorial, SAP API Management, Beginner
Introduce all the available SAP HANA cockpit GET APIs and the method to use them.

You will learn

  • What are the cockpit GET APIs that you can use
  • How to call a cockpit GET APIs

Prerequisites

  • Install the Python programming language on the computer that will call the endpoints

SAP HANA cockpit provides non modifying (GET) REST API endpoints. The GET APIs don’t create, delete, or change anything in the cockpit - they only inform you the existing information that you would like to examine.

There are three cockpit GET API endpoints:

  1. RegisteredResourcesGet: returns information about the resources registered in SAP HANA cockpit
  2. GroupsForUserGet: returns information about the resource groups that are visible to you
  3. GroupResourcesGet: returns information about the resources in a specified group that is visible to you (uses cockpit-landscape-svc)

Only two of the three cockpit GET APIs will be further explained in the following steps. To know more about the cockpit GET APIs, click here to navigate to the SAP Help Portal.

The sample code for all the cockpit APIs (GET and POST ones) is posted at the end of the cockpit POST APIs tutorial as an appendix. The code is written in Python and you are welcome to copy and run it to examine how each API works.

Step 1: Call the RegisteredResourcesGet endpoint
View Full Instructions

This endpoint provides information about the resources registered in SAP HANA cockpit that you are allowed to see.

To use this API, copy the following code to your Python file.

def list_cockpit_resources(client, authorization):
    targetURI = baseURL + '/resource/RegisteredResourcesGet'

    resourceListResponse = client.get(targetURI, verify=False, headers=get_header(authorization))
    return resourceListResponse.json()

Suppose we only want all the names and the ID numbers of the cockpit resources. We then need to parse the JSON response:

result = list_cockpit_resources(client, authorization)
resources = result["result"]
print("Cockpit resources:")
for resource in resources:
    print("- Resource name: " + resource["ResourceName"] + ", resource ID: " + resource["ResourceId"])

Run the entire program and your output should be similar to the following:

Cockpit resources:
- Resource name: SYSTEMDB@H4C, resource ID: 1
- Resource name: SYSTEMDB@DB1, resource ID: 2
- Resource name: DB1@DB1, resource ID: 3
In the area below, copy the Python output of your cockpit resources, and then click Validate.
×
Step 2: Call the GroupsForUserGet endpoint
View Full Instructions

This endpoint returns information about the existing resource groups in SAP HANA cockpit that you are allowed to see. As mentioned in the previous tutorial Get Ready to Use the SAP HANA Cockpit REST API, you will need your port number for cockpit-landscape-svc to be able to call this endpoint.

To use this endpoint, copy the following code to your Python source file. Replace <host.domain.com> and with your own identities.

def list_cockpit_groups(client, authorization):
    targetURI = 'https://' + '<host.domain.com>' + ':' + '<port for cockpit-landscape-svc>' + '/group/GroupsForUserGet'

    groupListResponse = client.get(targetURI, verify=False, headers=get_header(authorization))
    return groupListResponse.json()

Suppose we only want all the names of the cockpit groups, we then need to parse the JSON response:

result = list_cockpit_groups(client, authorization)
groups = result["result"]
print("Cockpit groups:")
for group in groups:
    print("- Group name: " + group["Name"])

Run the entire program and your output should be similar to the following:

Cockpit groups:
- Group name: GROUP1
- Group name: GROUP2
- Group name: GROUP3
In the area below, copy the Python output of your cockpit groups, and then click Validate.
×

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