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What is Atlas

Atlas is Openstack LoadBalancers API that is actively being developed.



  1. Java >= 1.5 (note: Java 1.7 seems to have a compatibility issue with JAXB, so until we fix this, better to be avoided).

  2. Apache Maven == 2.2.1

  3. Apache ActiveMQ == 5.5.0

    Run ActiveMQ on default port.

    java -jar activemq/bin/run.jar start

  4. MySQL >= 5.x

    • Create a MySQL database named 'loadbalancing'.

    • Optionally create another database called 'loadbalancingadapter' if your adapter extends the default LoadBalancerAdapterBase class (instead of simply implementing the LoadBalancerAdapter interface). See the null (fake) adapter as an example for an adapter that uses the default base implementation.

  5. Glassfish == 3.0.1 (Optional as Atlas comes with an embedded jetty server)

Getting Started for development

  1. Build

    Grab the atlas-lb/core-api/core-public-web/src/deb/contrib/maven/settings.xml and put it inside your ~/.m2 directory:

    cd atlas-lb


  2. Configure

    Copy all of the configuration files from atlas-lb/core-api/core-public-web/src/deb/contrib/config and put it under your /etc/openstack/atlas directory.

    Make sure you update /etc/openstack/atlas/public-api.conf with:

    • your database username/password.
    • If you are not using null (fake) adapter which is the default one configured, choose another adapter.
  3. Start atlas:


    To run the app into debug mode on port 8080 with embedded jetty:


  4. If atlas is properly started, it should have created the necessary database tables for you.

    • Seed the 'loadbalancing' database with some fake data. A sample for testing is here: atlas-lb/core-api/core-public-web/src/deb/contrib/db/ directory.

    • If your adapter is relying on the default strategy for managing its devices (extending LoadBalancerAdapterBase), also seed the 'loadbalancingadapter' database with some fake data (your vips, your devices, etc.). A sample for testing used by the netscaler adapter can be found here: ./core-adapters/core-netscaler-adapter/src/main/resources/core-netscaler-adapter-seed.sql

    You should modify the SQL data in these files to match your deployment details. For the 'loadbalancingadapter' DB, the passwords of your hosts (loadbalancing devices) are stored in an encrypted form in your 'adapter_host' table. You can use the ' to encrypt a password and store in the database using the following command:

    bin/ -enc <password_in_clear>

    Similarly to decrypt a value found in the DB, you can use the following command can be used:

    bin/ -dec <encrypted_password>  

    The encryption/decryption key used is the one configured in your public-api.conf file.

Now you can access the Atlas REST API eg. do a GET on http://localhost:8080/v1.1/1000/loadbalancers where 1000 is a tenant_id. What does it return? May be it's time to do a POST. More more operations,

Deploy under Glassfish Application Server

Alternative to the step 3 above, if you want to use an Application Server like Glassfish instead of the embedded jetty, you could:

/glassfish/glassfish/bin/asadmin start-domain

cp atlas-lb/core-api/core-public-web/target/core-public-web-1.1.0-SNAPSHOT.war /glassfish/glassfish/domains/domain1/autodeploy

For more information about Openstack, go to