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Reference Guide

These are the various XML configuration elements that you can use to configure the Cargo Maven2 plugin. Make sure you also check the examples which show how to use them.

Top level configuration elements

Description

Mandatory?

Default value

<configuration>

Definition of a Configuration

(thumbs down)

Defaults to a standalone configuration if the container is of type local and a runtime one if it's of type remote

<container>

Definition of a Container

(thumbs down)

Defaults to a Jetty 7.x installed container if not specified

<deployer>

Definition of a Deployer

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Defaults to a deployer matching the container's type if none is specified (installed local deployer for an installed container, remote deployer for a remote container and embedded local deployer for an embedded container)

<deployables>

A list of deployables that are going to be deployed in the container when it is started or whenΒ cargo:deploy /Β cargo:undeploy is called.

(thumbs down)

If the project's packaging isΒ war,Β ear orΒ ejb, the generated artifact is added automatically to the list of deployables to deploy. If you wish the generated artifact not to be added to the deployables list, just add an emptyΒ <deployer/> element.

<daemon>

Additional configuration that is used when deploying with the Cargo Daemon.

(thumbs down)

For more information, please read: Cargo Daemon.

<skip>

Set this to true to bypass cargo execution

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Defaults to false, you can also steer it using the system property cargo.maven.skip

<configuration> elements

Description

Mandatory?

Default value

<configfiles>

List of Configuration files that are to be added to a local container's configuration. Each file is specified using a <configfile> element. Cargo token replacement is applied to the files and any existing file is overwritten.

(thumbs down)

No default

<files>

List of files that are to be added to a local container's configuration. Each file is specified using a <file> element.

(thumbs down)

No default

<home>

For standalone configuration this is the location where Cargo will create the configuration and for existing configuration this is where it is located

(thumbs down)

${project.build.directory}/cargo/configurations/${containerId}

<implementation>

Full classname of a custom configuration implementation to use. In that case the custom configuration is registered with the <containerId> and <type> specified

(thumbs down)

Defaults to the Cargo-provided implementation if not specified

<properties>

Values to use for various Configuration properties.

Β 

You can also use theΒ <propertiesFile> element to load configuration properties from a file.

(thumbs down)

Default configuration properties

Note that these configuration properties can also be overriden using Java properties; for example:

mvn -Dcargo.servlet.port=8082 cargo:start

In addition to this, properties can also be set using the Maven2 settings.xml file. See the setting configuration options via the Maven settings.xml section for details.

<xmlReplacements>

Values to use for various XML replacements.

(thumbs down)

No default

<type>

Configuration's type. Valid values are standalone, existing and runtime

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standalone

<users>List of users to be created in container configuration.

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No default

<container> elements

Description

Mandatory?

Default value

<append>

If true, then the file specified by <output> will not be erased across different runs

(thumbs down)

false

<containerId>

Id of the container to use. Valid values can be found in the description page for each container

(thumbs down)

jetty7x

<dependencies>

List of extra dependencies or shared dependencies that will be added to the container or applications execution classpath.

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No default

<home>

Location where the container is installed. If specified in conjunction with the <zipUrlInstaller> or <artifactInstaller> element, it will override the home directory defined by the installer

(thumbs down)

No default

If the user has not defined anyΒ home, <zipUrlInstaller> nor <artifactInstaller> element then the plugin will automatically attempt to download the container using the URL used by its tests (see the Tested On section of each container).

<implementation>

Full classname of a custom container implementation to use. In that case, the custom container is registered with the <containerId> and <type> specified

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Defaults to the Cargo-provided implementation if not specified

<log>

Path to a file where Cargo logs are saved

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Logs to the Maven console if no log file is specified

<output>

Path to a file where container logs are saved

(thumbs down)

Logs to the file specified by the <log> element or to the Maven console if no such file has been specified

<systemProperties>

List of <key>value</key> pairs to be passed as System properties to the container when it is started.

Β 

You can also use theΒ <systemPropertiesFile> element to load system properties from a file.

(thumbs down)

No default

<timeout>

The timeout after which Cargo reports an error if the container is not started or stopped

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120000 ms (2 minutes)

<type>

The container's type. Valid values are installed, embedded and remote

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Default value is installed unless the <containerId> has not been specified, in which case the default is to use the Jetty 7.x installed container

<zipUrlInstaller>

Defines the location of a container distribution zip that will be downloaded and installed

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No default

If the user has not defined anyΒ home, <zipUrlInstaller> nor <artifactInstaller> element then the plugin will automatically attempt to download the container using the URL used by its tests (see the Tested On section of each container).

<artifactInstaller>

Defines the location of a container Maven artifact that will be downloaded and installed

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No default

If the user has not defined anyΒ home, <zipUrlInstaller> nor <artifactInstaller> element then the plugin will automatically attempt to download the container using the URL used by its tests (see the Tested On section of each container).

<deployer> elements

Description

Mandatory?

Default value

<implementation>

Deployer implementation class. Usage of this option is not recommended, please prefer type instead.

(thumbs down)

No default

<type>

The deployer's type.

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Defaults to a deployer matching the container's type if none is specified (installed local deployer for an installed container, remote deployer for a remote container and embedded local deployer for an embedded container)


<configfile> elements

Description

Mandatory?

Default value

<file>

The configuration file or directory containing configuration files.

(thumbs up)

No default

<todir>

The target directory, relative to configuration home, where the file should be copied

(thumbs down)

If not specified, the file will be copied to the configuration's home directory

<tofile>

The target file name to use

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The original file name

<file> elements

Description

Mandatory?

Default value

<file>

The file, or directory, to add

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No default

<todir>

The target directory, relative to configuration home, where the file should be copied

(thumbs down)

If not specified, the file will be copied to the configuration's home directory

<tofile>

The target file name to use

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The original file name

<configfile>

Indicates if Cargo token replacement should be applied (true) when copying. Do not use this option on a non-ascii file as it will corrupt it!

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false

<overwrite>

If any existing file should be overwritten or not

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true

<deployable> elements

Description

Mandatory?

Default value

<artifactId>

Maven artifact id for the module. This artifact id must match either the project's artifact id if your project generates a J2EE artifact (WAR, EAR, EJB and RAR) or it must match a specified <project>/<dependencies>/<dependency> artifact id

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Defaults to the project's artifact id

<groupId>

Maven group id for the module. This group id must match either the project's group id if your project generates a J2EE artifact (WAR, EAR, EJB and RAR) or it must match a specified <project>/<dependencies>/<dependency> group id

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Defaults to the project's group id

<implementation>

Deployable implementation class. Usage of this option is not recommended, please prefer type instead.

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No default

<location>

Path location where the module can be found

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Default's to the project's generated artifact location or to the specified <project>/<dependencies>/<dependency> location

<pingURL>

URL on which to ping the deployed or undeployed application (to check if deployment or undeployment is successful), that should return an HTTP OK response only after the deployment is complete. If not set, the deployed or undeployed application will not be pinged, hence the deployment considered as complete as soon as the target server's method returns successfully.

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No default

<pingUrlPath>

URL path used to ping the deployed or undeployed application. It has similar functionality as <pingURL>, but in this case there is omitted protocol, server and port informations - they are retrieved from container configuration. For example for URL http://localhost:8080/cargoΒ  its URL path is just "/cargo".

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No default

<pingTimeout>

If <pingURL> is set, the number of milliseconds after which the ping fails the build if still not successful.

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20000 (i.e.,Β 20 seconds)

<properties>

User-defined properties of a deployable.

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No default

<type>

Maven type for the module. This type must match either the project's packaging if your project generates a J2EE artifact (WAR, EAR, EJB and RAR) or it must match a specified <project>/<dependencies>/<dependency> type

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Defaults to the project's packaging

<properties> elements

Β Deployable Type

Description

Mandatory?

Default value

<context>

WAR

The context name to use when deploying the web application.

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Default's to the artifact'sΒ ${artifactId}

<war>

WAR

The path of the WAR being deployed.

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Default's to the project's generated artifact location

<ear>

EAR

The path of the EAR being deployed.

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Default's to the project's generated artifact location

<name>

EAR

The name of EAR deployable (it can be anything, there's no special rule).

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Default's to the artifact'sΒ ${artifactId}

<ejb>

EJB

The path of the EJB being deployed.

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Default's to the project's generated artifact location

About WAR contexts

Many containers have their specific files for redefining context roots (Tomcat has context.xml, JBoss has jboss-web.xml, etc.). If your WAR has such a file, the server will most probably use the context root defined in that file instead of the one you specify using the CARGO deployer.


<dependency> elements

Description

Mandatory?

Default value

<artifactId>

Maven's artifact id. This artifact id must match a specified <project>/<dependencies>/<dependency> artifact id

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Defaults to the project's artifact id

<groupId>

Maven's group id. This group id must match a specified <project>/<dependencies>/<dependency> group id

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Defaults to the project's group id

<type>

Maven's type. This type must match a specified <project>/<dependencies>/<dependency> type

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Defaults to the project's packaging

<classpath>

Target classpath, either extra (default) or shared. Shared application classpath deployment is only available for local containers which support shared Application Classpaths.

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extra (container classpath)

<location>

The path of a folder or a jar file you wish to add to deployable classpath. This element can be used to explicitly add entries to the classpath. For example:

<dependency>
   <location>src/main/resources/conf</location>
</dependency>

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If the groupId and artifactId match those of the project then the deployable is the artifact generated by the project. Otherwise the location is the location of the dependency in your local respository.

<zipUrlInstaller> elements

Description

Mandatory?

Default value

<url>

URL from which to download the container's ZIP or TAR.GZ file.

(thumbs up)

No default

<downloadDir>

Directory in which the zipUrlInstaller should download the container's ZIP or TAR.GZ file.

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${java.io.tmpdir}/cargo/installs

<extractDir>

Directory in which the zipUrlInstaller should extract the container's ZIP or TAR.GZ file.

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${project.build.directory}/cargo/installs

<proxy>

Proxy server settings, if required.

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No default

Automatic proxy settings

Note that CARGO will by default reuse existing Maven2 proxy configuration -so you won't need to type the proxy settings for the zipUrlInstaller element.

<proxy> elements (under the zipUrlInstaller element)

Description

Mandatory?

Default value

<cargo.proxy.host>

Proxy host name or IP address.

(thumbs up)

No default

<cargo.proxy.port>

Proxy port.

(thumbs down)

Very probably 80

<cargo.proxy.user>

User name to connect to the proxy server.

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No default

<cargo.proxy.password>

Password to connect to the proxy server.

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No default

<artifactInstaller> elements

Description

Mandatory?

Default value

<groupId>

Group id.

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No default

<artifactId>

Artifact id.

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No default

<version>

Version.

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No default

<type>

Artifact type.

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zip

<classifier>

Classifier.

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No default

<extractDir>

Directory in which the artifactInstaller should extract the container's ZIP or TAR.GZ file.

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${project.build.directory}/cargo/installs

<user> elementsDescriptionMandatory?Default value
<name>User name.

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No default
<password>User password.

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No default
<roles>

List of roles which should be assigned to user.

Example of roles configuration:

<roles>
    <role>cargo</role>
</roles>

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No default

Β 

Daemon configuration

The Cargo Daemon is a Web-based application that uses theΒ Cargo API to configure, start and stop containers on a remote machine. The daemon is meant to be listening 24/7, to allow users to deploy new containers and web applications at their command. For more information, please read: Cargo Daemon.

Container configuration for the Daemon

For the Maven2/Maven3 plugin, the "daemonized server" is actually a local container with a hostname that points to a remote machine. This implies that:

  • You should not set the container type to a remote container nor add any remote deployers to the configuration; but instead define the container as a local container (with either a standalone orΒ existing configuration)
  • When you define the home paths for the container and the configuration, remember these paths are for the machine where the Daemon is running (and, preferably, use absolute paths)

When you call cargo:daemon-start, the Maven2/Maven3 plugin will do the following:

  • If an installer is defined:
    • Download the archive locally
    • Send the archive over to the machine running the Daemon
    • Instruct the Daemon to extract the archive
  • If a standalone local configuration is defined, instruct the Daemon to create it
  • In all cases:
  • Finally, instruct the Daemon to start the container

<daemon> elements

Description

Mandatory?

Default value

<classpaths>

A list ofΒ <classpath>myclasspath</classpath> items, that will be added by the JVM launcher when starting a container.

(thumbs down)

No default

<properties>

A list of properties used to configure the Cargo Daemon.

(thumbs up)

No default

<properties> elements

Description

Mandatory?

Default value

<cargo.daemon.url>

URL to connect with the daemon.

(thumbs up)

No default

<cargo.daemon.handleid>

The handle id to register this container with.

(thumbs up)

No default

<cargo.daemon.autostart>

When set toΒ true, the dameon will automatically restart the container if the daemon notices it is stopped.

(thumbs down)

false

<cargo.daemon.username>Username used when authenticating against the daemon host(thumbs down)admin
<cargo.daemon.password>Password used when authenticating against the daemon host(thumbs down)"" (empty String)

Setting configuration options via the Maven settings.xml

The Cargo Maven2/Maven3 plugin also allows you to define container configuration properties using the settings.xml file. This way, you can for example store properties like usernames and passwords in a centralized location (as opposed to pom.xml files).

First, add the configuration properties you would like in your settings.xml file's <servers> section:

<servers>
  <server>
    <id>jonas1</id>
    <configuration>
      <cargo.remote.uri>jmx://jonas1</cargo.remote.uri>
      <cargo.jonas.domain.name>jonas</cargo.jonas.domain.name>
      <cargo.remote.username>jonas</cargo.remote.username>
      <cargo.remote.password>jonas</cargo.remote.password>
    </configuration>
  </server>
<servers>

Then, in the Cargo plugin's configuration, use the cargo.server.settings property in order to reference the configuration properties that you have previously defined. For example:

<plugin>
  <groupId>org.codehaus.cargo</groupId>
  <artifactId>cargo-maven2-plugin</artifactId>
  <configuration>
    [...]
    <configuration>
      <properties>
        <cargo.server.settings>jonas1</cargo.server.settings>
      </properties>
    </configuration>
  </configuration>
</plugin>

In this case, the plugin will internally "expand" the configuration into:

<plugin>
  <groupId>org.codehaus.cargo</groupId>
  <artifactId>cargo-maven2-plugin</artifactId>
  <configuration>
    [...]
    <configuration>
      <properties>
        <cargo.remote.uri>jmx://jonas1</cargo.remote.uri>
        <cargo.jonas.domain.name>jonas</cargo.jonas.domain.name>
        <cargo.remote.username>jonas</cargo.remote.username>
        <cargo.remote.password>jonas</cargo.remote.password>
      </properties>
    </configuration>
  </configuration>
</plugin>

Careful with properties set in the POM

Priority for property values are as follows:

  • Highest priority: Properties set using environment variables
  • Second priority: Properties that should be loaded using theΒ cargo.server.settings option
  • ThirdΒ priority: Properties loaded from a file
  • Lowest priority: Properties set in the POM
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