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This section explains how to attach a custom workflow to the application registration operation in the API Manager. First, see Workflow Extensions for information on different types of workflow executors.

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Localtabgroup

Before you begin, if you have changed the API Manager's default user and role, make sure you do the following changes:

Change the credentials of the workflow configurations in the registry resource _system/governance/apimgt/applicationdata/workflow-extensions.xml.
a. Login to the Management console of WSO2 API Manager in https://localhost:9443/carbon.
b. Click on browse under Resources in left Navigation under Main tab.
c. Go to /_system/governance/apimgt/applicationdata/workflow-extensions.xml location in registry browser and open the workflow-extensions.xml clicking Edit as text.

Image Removed
d. Uncomment the following two sections and change the credentials of API Manager's default user credetials you have given.

Localtab

active	true
id	UsingEI
title	Using WSO2 EI

Note
Note that this documentation is based on WSO2 EI 6.1.1

Tip

Before you begin, if you have changed the API Manager's default user and role, make sure you do the following changes:

Change the credentials of the workflow configurations in the registry resource _system/governance/apimgt/applicationdata/workflow-extensions.xml.
a. Login to the Management console of WSO2 API Manager in <https://localhost:9443/carbon>.
b. Click Browse under Resources, under the Main tab.
c. Go to /_system/governance/apimgt/applicationdata/workflow-extensions.xml in registry the browser and open the workflow-extensions.xml clicking Edit as text.

d. Uncomment the following two sections and change the credentials of API Manager's default user credentials you have given.

Warning
This configuration is provided assuming that WSO2 EI is running with offset 2. If you are running WSO2 EI in a different offset change the port of `serviceEndpoint` properties in following configuration according to the changed port offset.

Code Block

<ProductionApplicationRegistration executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationWSWorkflowExecutor">
    <Property name="serviceEndpoint">http://localhost:9765/services/ApplicationRegistrationWorkFlowProcess/</Property>
    <Property name="username">admin</Property>
    <Property name="password">admin</Property>
    <Property name="callbackURL">https://localhost:8248/services/WorkflowCallbackService</Property>
</ProductionApplicationRegistration>

<SandboxApplicationRegistration executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationWSWorkflowExecutor">
    <Property name="serviceEndpoint">http://localhost:9765/services/ApplicationRegistrationWorkFlowProcess/</Property>
    <Property name="username">admin</Property>
    <Property name="password">admin</Property>
    <Property name="callbackURL">https://localhost:8248/services/WorkflowCallbackService</Property>
</SandboxApplicationRegistration>

Note

Make sure to comment out the existing ProductionApplicationRegistration and SandboxApplicationRegistration executors as shown below.

Code Block

<!--ProductionApplicationRegistration executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationSimpleWorkflowExecutor"/-->
<!--SandboxApplicationRegistration executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationSimpleWorkflowExecutor"/-->

Point the database that has the API Manager user permissions to EI.
In this step you need to share the user store database in WSO2 API Manager with WSO2 EI.

a. Copy the following datasource configuration to <API-M_HOME>/repository/conf/datasources/master-datasources.xml :

Code Block

<datasource> <name>WSO2UM_DB</name>
 <description>The datasource used by user manager</description>
 <jndiConfig>
   <name>jdbc/WSO2UM_DB</name>
 </jndiConfig>
 <definition type="RDBMS">
   <configuration>
     <url>jdbc:mysql://userdb.mysql-wso2.com:3306/userdb?autoReconnect=true</url>
     <username>user</username>
     <password>password</password>
     <driverClassName>com.mysql.jdbc.Driver</driverClassName>
     <maxActive>50</maxActive>
     <maxWait>60000</maxWait>
     <testOnBorrow>true</testOnBorrow>
     <validationQuery>SELECT 1</validationQuery>
     <validationInterval>30000</validationInterval>
   </configuration>
 </definition>
</datasource>

Note
We are using MySQL to configure the datasources in this documentation. You can configure this according to the database you are using. Refer Setting up the Physical Database for more information.

b. Change the datasource to point the WSO2UM_DB by changing the realm configuration in the <API-M_HOME>/repository/conf/user-mgt.xml file as shown below.

Code Block
<UserManager> <Realm> <Configuration> .... <Property name="dataSource">jdbc/WSO2UM_DB</Property> </Configuration> .... <Realm> <UserManager>

c. Repeat the configurations described in step 2(a) and 2(b) in <EI_HOME>/conf/datasources/master-datasources.xml and <EI_HOME>/conf/user-mgt.xml respectively.

Share any LDAPs that exist.
Unzip the <API-M>/business-processes/application-registration/HumanTask/ApplicationRegistrationTask-1.0.0.zip file, update the role as follows in the ApplicationRegsitrationTask.ht file.
Code Block
title Format
<htd:argument name="role"> [new-role-name] </htd:argument>
Zip the ApplicationRegistrationTask-1.0.0 folder.
Restart the API Manager server.

Configuring the Business Process Server

Tip

Warning
This configuration is provided assuming that WSO2 BPS is running with offset 2. If you are running WSO2 BPS in a different offset change the port of serviceEndpoint properties in following configuration according to the changed port offset.

Code Block

<ProductionApplicationRegistration executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationWSWorkflowExecutor">
    <Property name="serviceEndpoint">http://localhost:9765/services/ApplicationRegistrationWorkFlowProcess/</Property>
    <Property name="username">admin</Property>
    <Property name="password">admin</Property>
    <Property name="callbackURL">https://localhost:8248/services/WorkflowCallbackService</Property>
</ProductionApplicationRegistration>

<SandboxApplicationRegistration executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationWSWorkflowExecutor">
    <Property name="serviceEndpoint">http://localhost:9765/services/ApplicationRegistrationWorkFlowProcess/</Property>
    <Property name="username">admin</Property>
    <Property name="password">admin</Property>
    <Property name="callbackURL">https://localhost:8248/services/WorkflowCallbackService</Property>
</SandboxApplicationRegistration>

Note

Make sure to comment out the existing ProductionApplicationRegistration and SandboxApplicationRegistration executors as shown below.

Code Block

<!--ProductionApplicationRegistration executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationSimpleWorkflowExecutor"/-->
<!--SandboxApplicationRegistration executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationSimpleWorkflowExecutor"/-->

Point the database that has the API Manager user permissions to BPS.
In this step you need to share the user store database in WSO2 API Manager with WSO2 BPS.
a. Copy the following datasource

Download WSO2 Enterprise Integrator.

Tip

Before you begin configuring EI, please update your EI 6.1.1 pack using WUM. For more information, see Updating WSO2 Products.

Import the EI server's public cert into the APIM's client-trustore.jks keystore. For instructions on importing, see Creating New Keystores.

Set an offset of 2 to the default EI port in the <EI_HOME>/conf/carbon.xml file. This prevents port conflicts that occur when you start more than one WSO2 product on the same server. For more information, see Changing the Default Ports with Offset.

Code Block

language	xml

<Offset>2</Offset>

Tip

Tip: If you change the EI port offset to a value other than 2 or run the API Manager and EI on different machines (therefore, want to set the hostname to a different value than localhost), you do the following:

Search and replace the value 9765 in all the files (.epr) inside <APIM_HOME>/business-processes folder with the new port (9763 + port offset.)

Open the <EI_HOME>/wso2/business-process/conf/humantask.xml file and <EI_HOME>/wso2/business-process/conf/b4p-coordination-config.xml file and set the TaskCoordinationEnabled property to true.
Code Block
language xml
<TaskCoordinationEnabled>true</TaskCoordinationEnabled>
Copy the following from the <API-M_HOME>/business-processes/epr folder to the <EI_HOME>/wso2/business-process/repository/conf/epr folder.
Create the <EI_HOME>/wso2/business-process/repository/conf/epr folder does not exist, then please create it.
Note
Make sure you give the correct credentials in the <EI_HOME>/wso2/business-process/repository/conf/epr files.
- RegistrationService.epr - This is the service that invokes the EIs business process engine
- RegistrationCallbackService.epr - This is the workflow call back service.

Start the EI server and sign in to its management console (https://<Server Host>:9443+<port offset>/carbon).

Warning

If you are using Mac OS with High Sierra, you may encounter the following warning when logging into the Management console due to a compression issue that exists in High Sierra SDK.

Code Block

WARN {org.owasp.csrfguard.log.JavaLogger} -  potential cross-site request forgery (CSRF) attack thwarted (user:<anonymous>, ip:xxx.xxx.xx.xx, method:POST, uri:/carbon/admin/login_action.jsp, error:required token is missing from the request)

To avoid this issue open the <EI_HOME>/conf/tomcat/catalina-server.xml file and change the compression="on" to compression="off" in Connector configuration. Restart the EI server for the changes to take effect.

Log into Management console of WSO2 EI, select Add > BPEL under the Processes menu and upload the <APIM_HOME>/business-processes/application-registration/BPEL/ApplicationRegistrationWorkflowProcess_1.0.0.zip file to EI. This is the business process archive file.
Image Removed
Select Add under the Human Tasks menu and upload the <APIM_HOME>/business-processes/application-registration/HumanTask/ApplicationRegistrationTask-1.0.0.zip file to EI. This is the human task archived file.
Image Removed

Localtab

id	UsingBPS
title	Using WSO2 BPS

- Update the <API-M_HOME>/business-processes/epr/RegistrationCallbackService.epr file according to API Manager.
  Code Block
  <wsa:Address>https://localhost:8243/services/WorkflowCallbackService</wsa:Address>
- Update the <API-M_HOME>/business-processes/epr/RegistrationService.epr file according to EI.
  Code Block
  <wsa:Address>http://localhost:9765/services/ApplicationRegistration</wsa:Address>

Start the EI server and sign in to its management console (https://<Server Host>:9443+<port offset>/carbon).

Warning

If you are using Mac OS with High Sierra, you may encounter the following warning when logging into the Management console due to a compression issue that exists in High Sierra SDK.

Code Block

WARN {org.owasp.csrfguard.log.JavaLogger} -  potential cross-site request forgery (CSRF) attack thwarted (user:<anonymous>, ip:xxx.xxx.xx.xx, method:POST, uri:/carbon/admin/login_action.jsp, error:required token is missing from the request)

To avoid this issue open the <EI_HOME>/conf/tomcat/catalina-server.xml file and change the compression="on" to compression="off" in Connector configuration. Restart the EI server for the changes to take effect.

Log into Management console of WSO2 EI, select Add > BPEL under the Processes menu and upload the <APIM_HOME>/business-processes/application-registration/BPEL/ApplicationRegistrationWorkflowProcess_1.0.0.zip file to EI. This is the business process archive file.
Image Added
Select Add under the Human Tasks menu and upload the <APIM_HOME>/business-processes/application-registration/HumanTask/ApplicationRegistrationTask-1.0.0.zip file to EI. This is the human task archived file.
Image Added

Localtab

id	UsingBPS
title	Using WSO2 BPS

Tip

Before you begin, if you have changed the API Manager's default user and role, make sure you do the following changes:

Change the credentials of the workflow configurations in the registry resource _system/governance/apimgt/applicationdata/workflow-extensions.xml.
a. Login to the Management console of WSO2 API Manager in https://localhost:9443/carbon.
b. Click on browse under Resources in left Navigation under Main tab.
c. Go to /_system/governance/apimgt/applicationdata/workflow-extensions.xml location in registry browser and open the workflow-extensions.xml clicking Edit as text.
Image Added

d. Uncomment the following two sections and change the credentials of API Manager's default user credetials you have given.

Warning
This configuration is provided assuming that WSO2 BPS is running with offset 2. If you are running WSO2 BPS in a different offset change the port of serviceEndpoint properties in following configuration according to the changed port offset.

Code Block

<ProductionApplicationRegistration executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationWSWorkflowExecutor">
    <Property name="serviceEndpoint">http://localhost:9765/services/ApplicationRegistrationWorkFlowProcess/</Property>
    <Property name="username">admin</Property>
    <Property name="password">admin</Property>
    <Property name="callbackURL">https://localhost:8248/services/WorkflowCallbackService</Property>
</ProductionApplicationRegistration>

<SandboxApplicationRegistration executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationWSWorkflowExecutor">
    <Property name="serviceEndpoint">http://localhost:9765/services/ApplicationRegistrationWorkFlowProcess/</Property>
    <Property name="username">admin</Property>
    <Property name="password">admin</Property>
    <Property name="callbackURL">https://localhost:8248/services/WorkflowCallbackService</Property>
</SandboxApplicationRegistration>

Note

Make sure to comment out the existing ProductionApplicationRegistration and SandboxApplicationRegistration executors as shown below.

Code Block

<!--ProductionApplicationRegistration executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationSimpleWorkflowExecutor"/-->
<!--SandboxApplicationRegistration executor="org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationSimpleWorkflowExecutor"/-->

Point the database that has the API Manager user permissions to BPS.
In this step you need to share the user store database in WSO2 API Manager with WSO2 BPS.

a. Copy the following datasource configuration in <API-M_HOME>/repository/conf/datasources/master-datasources.xml :

Code Block

<datasource> <name>WSO2UM_DB</name>
 <description>The datasource used by user manager</description>
 <jndiConfig>
   <name>jdbc/WSO2UM_DB</name>
 </jndiConfig>
 <definition type="RDBMS">
   <configuration>
     <url>jdbc:mysql://userdb.mysql-wso2.com:3306/userdb?autoReconnect=true</url>
     <username>user</username>
     <password>password</password>
     <driverClassName>com.mysql.jdbc.Driver</driverClassName>
     <maxActive>50</maxActive>
     <maxWait>60000</maxWait>
     <testOnBorrow>true</testOnBorrow>
     <validationQuery>SELECT 1</validationQuery>
     <validationInterval>30000</validationInterval>
   </configuration>
 </definition>
</datasource>

Note
We are using MySQL to configure the datasources in this documentation. You can configure this according to the database you are using. Refer Setting up the Physical Database for more information.

b. Change the datasource to point the WSO2UM_DB by changing the realm configuration in <API-M_HOME>/repository/conf/

datasources/master

user-

datasources

mgt.xml

:

as shown below.

Code Block

<datasource> <name>WSO2UM_DB</name><UserManager>
 <description>The datasource used by user manager</description>
 <jndiConfig>
 <Realm>
  <name>jdbc/WSO2UM_DB</name>  </jndiConfig>  <definition type="RDBMS"> <Configuration>
  <configuration>      <url>jdbc:mysql://userdb.mysql-wso2.com:3306/userdb?autoReconnect=true</url>    ....
 <username>user</username>      <password>password</password>      <driverClassName>com.mysql.jdbc.Driver</driverClassName><Property name="dataSource">jdbc/WSO2UM_DB</Property>
     <maxActive>50</maxActive>      <maxWait>60000</maxWait></Configuration>
     <testOnBorrow>true</testOnBorrow>      <validationQuery>SELECT 1</validationQuery> ....
     <validationInterval>30000</validationInterval>
   </configuration>
 </definition>
</datasource>

Note
We are using MySQL to configure the datasources in this documentation. You can configure this according to the database you are using. Refer Setting up the Physical Database for more information.

b. Change the datasource to point the WSO2UM_DB by changing the realm configuration in <API-M_HOME>/repository/conf/user-mgt.xml as shown below.

Code Block
<UserManager> <Realm> <Configuration> .... <Property name="dataSource">jdbc/WSO2UM_DB</Property> </Configuration> .... <Realm> <UserManager>

c. Do the configuration described in a and b in <BPS_HOME>/repository/conf/datasources/master-datasources.xml and

<Realm>
<UserManager>

c. Do the configuration described in a and b in <BPS_HOME>/repository/conf/datasources/master-datasources.xml and <BPS_HOME>/repository/conf/user-mgt.xml respectively.

Share any LDAPs, if exist.
Unzip the <API-M>/business-processes/application-registration/HumanTask/ApplicationRegistrationTask-1.0.0.zip file, update the role as follows in the ApplicationRegsitrationTask.ht file, and ZIP the ApplicationRegistrationTask-1.0.0 folder.
Code Block
title Format
<htd:argument name="role"> [new-role-name] </htd:argument>
Restart the API Manager server.

Configuring the Business Process Server

Download WSO2 Business Process Server.
Set an offset of 2 to the default BPS port in the <BPS_HOME>/repository/conf/

user-mgt

carbon.xml

respectively.

Share any LDAPs, if exist.

Unzip the <API-M>/business-processes/application-registration/HumanTask/ApplicationRegistrationTask-1.0.0.zip file, update the role as follows in the ApplicationRegsitrationTask.ht file, and ZIP the ApplicationRegistrationTask-1.0.0 folder.

Code Block

title	Format

<htd:argument name="role">
    [new-role-name]
</htd:argument>

Restart the API Manager server.

Configuring the Business Process Server

Download WSO2 Business Process Server.

Set an offset of 2 to the default BPS port in file. This prevents port conflicts that occur when you start more than one WSO2 product on the same server. For more information, see Changing the Default Ports with Offset.

Code Block

language	xml

<Offset>2</Offset>

Tip

Tip: If you change the BPS port offset to a value other than 2 or run the API Manager and BPS on different machines (therefore, want to set the hostname to a different value than localhost), you do the following:

Search and replace the value 9765 in all the files (.epr) inside <APIM_HOME>/business-processes folder with the new port (9763 + port offset.)

Open the <BPS_HOME>/repository/conf/carbonhumantask.xml file . This prevents port conflicts that occur when you start more than one WSO2 product on the same server. For more information, see Changing the Default Ports with Offsetand the <BPS_HOME>/repository/conf/b4p-coordination-config.xml file and set the TaskCoordinationEnabled property to true.

Code Block

language	xml

<Offset>2</Offset>

Tip

Tip: If you change the BPS port offset to a value other than 2 or run the API Manager and BPS on different machines (therefore, want to set the hostname to a different value than localhost), you do the following:

Search and replace the value 9765 in all the files (.epr) inside<APIM

<TaskCoordinationEnabled>true</TaskCoordinationEnabled>

Copy the following from the <API-M_HOME>/business-processes
folder with the new port (9763 + port offset.)
Open /epr folder to the <BPS_HOME>/repository/conf/epr folder.
If the <BPS_HOME>/repository/conf/humantask.xml file and the epr folder does not exist, create it.
Note
Make sure you give the correct credentials in the <BPS_HOME>/repository/conf/
b4p-coordination-config.xml file and set the TaskCoordinationEnabled property to true.
Code Block
language xml
<TaskCoordinationEnabled>true</TaskCoordinationEnabled>
Copy the following from the
epr files.
- Update the <API-M_HOME>/business-processes/
epr folder to the <BPS_HOME>/repository/conf/epr folder.
If the <BPS_HOME>/repository/conf/epr folder does not exist, create it.
Note
Make sure you give the correct credentials in the <BPS_HOME>/repository/conf/epr files.
- RegistrationService.epr
- RegistrationCallbackService.epr
  epr/RegistrationCallbackService.epr file according to API Manager.
  Code Block
  <wsa:Address>https://localhost:8243/services/WorkflowCallbackService</wsa:Address>
- Update the <API-M_HOME>/business-processes/epr/RegistrationService.epr file according to BPS.
  Code Block
  <wsa:Address>http://localhost:9765/services/ApplicationRegistration</wsa:Address>

Start the BPS server and log in to its management console (https://<Server Host>:9443+<port offset>/carbon).

Warning

If you are using Mac OS with High Sierra, you may encounter following warning when login into the Management console due to a compression issue exists in High Sierra SDK.

Code Block

WARN {org.owasp.csrfguard.log.JavaLogger} -  potential cross-site request forgery (CSRF) attack thwarted (user:<anonymous>, ip:xxx.xxx.xx.xx, method:POST, uri:/carbon/admin/login_action.jsp, error:required token is missing from the request)

To avoid this issue open <BPS_HOME>/repository/conf/tomcat/catalina-server.xml and change the compression="on" to compression="off" in Connector configuration and restart the BPS.

Log into Management console of WSO2 BPS, select Add > BPEL under the Processes menu and upload the <APIM_HOME>/business-processes/application-registration/BPEL/ApplicationRegistrationWorkflowProcess_1.0.0.zip file to BPS. This is the business process archive file.
Select Add under the Human Tasks menu and upload the <APIM_HOME>/business-processes/application-registration/HumanTask/ApplicationRegistrationTask-1.0.0.zip file to BPS. This is the human task archived file.

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Key

Configuring the Business Process Server

Configuring the Business Process Server

Configuring the Business Process Server