Integrate API Manager Analytics

The API Manager Analytics provides reports, statistics and graphs on the APIs that are deployed in WSO2 Open Banking API Manager. You can configure alerts to monitor these APIs and detect unusual activity, manage locations via geo-location statistics, and carry out a detailed analysis of the logs. 

The placement of WSO2 APIM Analytics in deployment is as follows:

This section explains how to integrate API Manager Analytics with the WSO2 Open Banking solution.

Configuring the API Manager Analytics 

Follow the instructions below to configure the WSO2 Open Banking API Manager to publish statistics.

1. Open the <WSO2_OB_APIM_HOME>/repository/conf/api-manager.xml file. 

2. Configure the properties under the <Analytics> sub element.

   <Enabled>	Set this property to true, to enable analytics for API Manager.
   <StreamProcessorServerURL>	The WSO2 OB APIM Analytics server URL. For example: {tcp://<WSO2_OB_APIM_ANALYTICS_HOST>:7612}.
   <StreamProcessorUsername>	Administrator username to login to the remote analytics server. Set this value to admin.
   <StreamProcessorPassword>	Administrator password to login to the remote StreamProcessor server. Set this value to admin .
   <StreamProcessorRestApiURL>	REST API URL for analytics. For example: https://<WSO2_OB_APIM_ANALYTICS_HOST>:7444.
   <StreamProcessorRestApiUsername>	Administrator username to access the analytics REST API. Set this value to admin .
   <StreamProcessorRestApiPassword>	Administrator password to access the analytics REST API. Set this value to admin.

   <Analytics>
   	<!-- Enable Analytics for API Manager -->
   	<Enabled>true</Enabled>
   	<!-- Server URL of the remote StreamProcessor server used to collect statistics. Must
               be specified in protocol://hostname:port/ format.
   
               An event can also be published to multiple Receiver Groups each having 1 or more receivers. Receiver
               Groups are delimited by curly braces whereas receivers are delimited by commas.
               Ex - Multiple Receivers within a single group
               tcp://localhost:7612/,tcp://localhost:7613/,tcp://localhost:7614/
   
               Ex - Multiple Receiver Groups with two receivers each
               {tcp://localhost:7612/,tcp://localhost:7613},{tcp://localhost:7712/,tcp://localhost:7713/} -->
   	<StreamProcessorServerURL>{tcp://<WSO2_OB_APIM_ANALYTICS_HOST>:7612}</StreamProcessorServerURL>
   	<!--StreamProcessorAuthServerURL>{ssl://localhost:7712}</StreamProcessorAuthServerURL-->
   	<!-- Administrator username to login to the remote StreamProcessor server. -->
   	<StreamProcessorUsername>admin</StreamProcessorUsername>
   	<!-- Administrator password to login to the remote StreamProcessor server. -->
   	<StreamProcessorPassword>admin</StreamProcessorPassword>
   	<!-- For APIM implemented Statistic client for RDBMS -->
   	<StatsProviderImpl>org.wso2.carbon.apimgt.usage.client.impl.APIUsageStatisticsRestClientImpl</StatsProviderImpl>
   	<!-- StreamProcessor REST API configuration -->
   	<StreamProcessorRestApiURL>https://<WSO2_OB_APIM_ANALYTICS_HOST>:7444</StreamProcessorRestApiURL>
   	<StreamProcessorRestApiUsername>admin</StreamProcessorRestApiUsername>
   	<StreamProcessorRestApiPassword>admin</StreamProcessorRestApiPassword>
   </Analytics>

3. Save the changes and restart the WSO2 Open Banking API Manager server.

Configuring databases

You can configure databases to persist, process and analyze API-related data. Follow the steps below to configure the databases.

1. Create the  openbank_apimgt_statsdb  database in your database server.

2. Configure the worker profile.   

   Open the  <WSO2_APIM_ANALYTICS_HOME>/conf/worker/deployment.yaml  file. Update the  APIM_ANALYTICS_DB  datasource pointing it to the  openbank_apimgt_statsdb database using your database configurations.

   If you are using Oracle, update the connectionTestQuery in each datasource with the following value.

   connectionTestQuery: SELECT 1 FROM DUAL

   - name: APIM_ANALYTICS_DB
   description: The Datasource used for APIM Analytics
   jndiConfig:
     name: jdbc/APIM_ANALYTICS_DB
   definition:
     type: RDBMS
     configuration:
       jdbcUrl: 'jdbc:mysql://localhost:3306/openbank_apimgt_statsdb?autoReconnect=true&useSSL=false'
       username: root
       password: root
       driverClassName: com.mysql.jdbc.Driver
       maxPoolSize: 50
       idleTimeout: 60000
       connectionTestQuery: SELECT 1
       validationTimeout: 30000
       isAutoCommit: false

3. By default, the following datasource entries are configured to H2 databases. If required, you can create external databases and point these entries to them.

   Datasource Name	File
   BUSINESS_RULES_DB	<WSO2_APIM_ANALYTICS_HOME>/conf/dashboard/deployment.yaml
   WSO2_PERMISSIONS_DB	<WSO2_APIM_ANALYTICS_HOME>/conf/worker/deployment.yaml <WSO2_APIM_ANALYTICS_HOME>/conf/dashboard/deployment.yaml

   The GEO_LOCATION_DATA datasource should be configured only when you are using Geo-location based statistics

4. Place the database driver in the <WSO2_APIM_ANALYTICS_HOME>/lib directory. 

   You need to follow the steps below when you are using Oracle or MS SQL database servers.

   You need to include the database driver corresponding to the database for the API Manager Analytics server to communicate with the database. The WSO2 API Manager Analytics is an OSGi-based product. Therefore, when you integrate third party products such as Oracle and MS SQL with WSO2 API-M Analytics, you need to check whether the libraries you need to add are OSGi based. If they are not, you need to convert them to OSGi bundles before adding them to the <WSO2_APIM_ANALYTICS_HOME>/lib directory. 

   To convert the jar files to OSGi bundles, follow the steps below.

   1. Download the non-OSGi jar for the required third party product, and save it in a preferred directory in your machine.

   2. Go to the <WSO2_APIM_ANALYTICS_HOMEE>/bin directory. Run the command given below, to generate the converted file in the <WSO2_APIM_ANALYTICS_HOME >/lib directory.

   ./jartobundle.sh <PATH_TO_NON-OSGi_JAR> ../lib

Configuring the Keystores

In the SSL handshake between the Open Banking API Manager and API Manager Analytics servers, the client (i.e. Open Banking API Manager) needs to verify the certificate presented by the server (i.e. API Manager Analytics). For this purpose, the client stores the trusted certificate of the server in the client-truststore.jks keystore.

If you use a custom keystore in Open Banking API Manager and/or API Manager Analytics, import the public key certificate of API Manager Analytics into the client-truststore.jks file of the Open Banking API Manager. To export the public key from the server and import it into the client's trust store, follow the steps given in Adding CA-signed certificates to keystores in the Administration Guide.

Enabling performance tuning and starting the servers

1. You can enable performance tuning by adding configurations, as described in Performance Tuning in the WSO2 Stream Processor documentation.
2. Navigate to the <WSO2_APIM_ANALYTICS_HOME>/bin directory, and give execution permissions to the worker.sh file.

3. Run the API-M Analytics worker.sh as follows:

   ./worker.sh

4. Navigate to the <WSO2_APIM_ANALYTICS_HOME>/bin directory, and give execution permissions to the dashboard.sh file.

5. Run the API-M Analytics dashboard.sh as follows:

   ./dashboard.sh 

6. You can view analytics data as described below:
   1. Log in to the /wiki/spaces/OB130/pages/49053830 or /wiki/spaces/OB130/pages/49053816.
   2. Click the Analytics tab.
   3. You can view API Usage, Top Users and Faulty Invocations details through the subtopics.
7. To observe data analysis based on geographical locations, see Configuring Geolocation Based Statistics.