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时间:2021-07-12 13:19 来源:埃里克云 编辑:埃里克云

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This blog is the part 2 of the 5-part blog-series. In this blog, we will introduce OData Interfaces which are exposed from SAP Process Orchestration (from 7.40 onwards) (SAP PO) can be exposed as Open APIs and managed through SAP API Man...

This blog is the part 2 of the 5-part blog-series. In this blog, we will introduce OData Interfaces which are exposed from SAP Process Orchestration (from 7.40 onwards) (SAP PO) can be exposed as Open APIs and managed through SAP API Management. Here with this blog you will be able to connect SAP API Management to your backend (SAP PO System) using cloud connector and will be able to manage OData Endpoints exposed in SAP PO.

Process Orchestration Overview

.Process Orchestration provides a tool infrastructure to model and design business processes from the overall process flow and the sequence of activities up to the interfaces and data types that are needed to integrate SAP systems and external systems.

SAP customers can now leverage SAP Process Orchestration to get the most out of their SAP and non-SAP investments. SAP Process Orchestration enables customers to adapt, simplify, accelerate and integrate business processes, as well as introduce flexible business rules to drive agility.

Equipped with solid B2B capabilities your organization will secure and at the same time extend SAP investments beyond the SAP domain.

To know more about Process Orchestration refer

Cloud Connector Overview

The SAP Cloud Platform cloud connector (cloud connector) serves as the link between on-demand applications in SAP Cloud Platform and existing on-premise systems. The cloud connector runs as on premise agent in a secured network and acts as a reverse invoke proxy between the on-premise network and SAP Cloud Platform. Due to its reverse invoke support, you don’t need to configure the on-premise firewall to allow external access from the cloud to internal systems

To know more on SAP API Management, refer

https://blogs.sap.com/2016/03/03/sap-api-management-overview-getting-started/

In this blog I have taken an example of my(*******)hanatrial account for SAP API Management and N75 as a backend(PO) system.

Pre-requisites

You have access to N75 or any of the PO system OData Service should be available in PO system

Let’s get started!

For Downloading and configuring cloud connector refer

https://blogs.sap.com/2015/02/11/set-up-your-sap-web-ide-on-hana-cloud-part-2/

Type https://localhost:****/ on your browser following screen should come up

Enter User name and password to login as Admin

Click on Add Account to add an account

Fill in the appropriate details as shown below for your account

Here for SAP API Management I have taken example of my hanatrial account

Under Account Dashboard; Account should be added

As I have added my hanatrial account as host so my hanatrial account should be added as shown below

Now we will be adding the On Prem system for eg N75 (PO system)

Click on Cloud To On-Premise

Add Back end System as SAP Process Integration and Click Next

Select Protocol as HTTP and click Next

Add host and port of Back end System and click Next

In Virtual Host and port don’t put the same name and port as above

Select Principle Type as None and Click Next

Check the summary, select internal host checkbox and select Finish

System should get added

Click on Add button under Resources Accessible to add url path as"/" this is to consider all the resources after "/"

With this we have configured our back end system and now we will check in SAP API Management whether we can access OData services from PO system

Let’s start!

Open SAP Cloud Platform Cockpit from where I can see under Connectivity – Cloud Connectors the successful connection to the on-premise system.

That’s All you need now let’s go to API Portal ->Services->click on API Management Tile->click on Access API Portal.

Click on Develop and Navigate to API Providers

Create API Provider and fill in the following details

Navigate to Authentication and give back-end system details

In my case I am connecting to N75 PO system and catalog service settings look like this

To test the new connectivity, just create a new API Proxy. Give API Provider as "PISYS" and give URL as /igwj/odata/SAP/ZMKA_EMP_DATETIMEOFFSET_KEY_SRV;v=1 and Save it.

Once you save, all the available Resources should come in Resources Tab

And Created API should get saved.

You can manage this OData endpoint by applying different policies

Refer https://blogs.sap.com/2016/06/23/part-9-assigning-policies-to-an-api-proxy/

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