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For Developers Getting Started with Usergrid App Performance Monitoring (APM) also known as Usergrid Mobile Analytics.

Pre-requisites:

  • Able to build Usergrid from source.
  • AWS account with access to SQS and S3
  • MySql or Amazon RDS

Database Setup:

  • Install MySQL 5.5/5.6 locally or use Amazon RDS.
  • Create a new user with all DB permissions and note password.
  • Create two databases named instaops_appmanagement and instaops_analytics.
  • Into instaops_appmanagement, import schema from db-schemas/apm-config-schema.sql. Verify that tables got created.
  • Into instaops_analytics, import schema from db-schemas/apm-metrics-schema.sql Verify that tables got created.
  • Make sure that user you created has full access to these two schemas.

Building the application

  • To do a quick build: mvn clean install -DskipTests
  • To do a build with tests mvn clean install

Build produces two wars. One for injestor named usergrid-apm-injestor and one for REST services named usergrid-apm-rest. usergrid-apm-rest.war is a superset of usergrid-apm-injestor.war so for local testing, you only need to deploy REST .war file and it will work as injestor too as long as properties file (see below) is set correctly. In production, recommendation is to have separate server instances for injestor and REST servers.

Properties file

All together 3 props file need to be in classpath. To ease with .war deployments across different planets and avoid confusion with Ops, we recommended that Ops copies these props file to lib folder of tomcat. It's recommended to do the same while testing locally or you can put these files in service/src/main/resources. You can see example of these files under portal-service/src/test/resources

hibernate-analytics.cfg.xml : make sure to update DB connection, username and password properties

hibernate-app-management.cfg.xml : make sure to update DB connection, username and password properties)

deployment-config.properties : make sure to update AWS keys, SQS account number, S3 bucket, enable/disable injestor

Deploy

  • Verify that 3 properties files are present in tomcat's lib folder. -Rename the .war from rest/target/usergrid-apm-rest.war to ROOT.war and deploy it to Tomcat with Injestor enabled in deployment-config.properties file. You should not see any error in catalina.out

Verify the application is running at : -http://localhost:8080/apm/status (app context will change if you use different maven profile and your version is different) -If you have Demo Org and Demo App created using DemoAppDataPopulator (you can run it in your IDE or from command line), then you should be able to get metrics for example at: http://localhost:8080/Demo/AcmeBank/apm/networkRawData/1

This takes care of App Monitoring deployment

** Complete end to end deployment**

  • System diagram

System Diagram

-Have a running Usergrid configured with APM. When a new app gets created, Usergrid makes a REST call to APM to register a new app. During crash log parsing, APM makes a REST call to Usergrid to find who to send email notification too. [More details to be added]

This README doc needs to have more details and will be updated.

FAQ*

  • Why is this code not merged with Apache Usergrid code ?

Glad you asked. APM depends on few libraries such as Hibernate which are LGPL and Apache strictly prohibits a project or subproject from having a dependency on LGPL code base. While it's not a humungous effort to move to OpenJPA from Hibernate, it's not a trivial work. We slowly hope to get there.

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