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Introscope Agent Framework

The Introscope Agent Framework causes an application to be automatically configured to work with a bound Introscope service. Note: This framework is disabled by default.

Detection CriterionExistence of a single bound Introscope service.
  • Existence of a Introscope service is defined as the VCAP_SERVICES payload containing a service who's name, label or tag has introscope as a substring.
Tags introscope-agent=<version>
Tags are printed to standard output by the buildpack detect script

User-Provided Service (Optional)

Users may optionally provide their own Introscope service. A user-provided Introscope service must have a name or tag with introscope in it so that the Introscope Agent Framework will automatically configure the application to work with the service.

The credential payload of the service may contain the following entries:

Name Description
agent-name (Optional) The name that should be given to this instance of the Introscope agent
host-name The host name of the Introscope Enterprise Manager server
ssl (Optional) Whether or not to use an SSL connection to the Introscope Enterprise Manager server
port (Optional) The port of the Introscope Enterprise Manager server

To provide more complex values such as the agent-name, using the interactive mode when creating a user-provided service will manage the character escaping automatically. For example, the default agent-name could be set with a value of agent-$(expr "$VCAP_APPLICATION" : '.*application_name[": ]*\([[:word:]]*\).*') to calculate a value from the Cloud Foundry application name.

Configuration

For general information on configuring the buildpack, including how to specify configuration values through environment variables, refer to Configuration and Extension.

The framework can be configured by modifying the [config/introscope_agent.yml][] file in the buildpack fork. The framework uses the Repository utility support and so it supports the version syntax defined there.

Name Description
repository_root The URL of the Introscope Agent repository index (details).
version The version of Introscope Agent to use.

Additional Resources

The framework can also be configured by overlaying a set of resources on the default distribution. To do this, add files to the resources/ca_wily_agent directory in the buildpack fork. For example, to override the default profile add your custom profile to resources/introscope_agent/.