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14.7. Automated Deployment

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Overview

The Maven proxy supports not just downloading artifacts, but also uploading artifacts. Hence, if you want to make an artifact available to all of the containers in the fabric, a simple way of doing this is to upload the artifact to the Maven proxy. For ultimate convenience in a development environment, you can automate the deployment step by installing the Fabric8 Maven plug-in in your project POM file.

Discover the upload URL of the current master

To discover the upload URL of the current Maven proxy master instance, invoke the fabric:cluster-list command, as follows:
JBossFuse:karaf@root> cluster-list servlets/io.fabric8.fabric-maven-proxy
[cluster]                           [masters]  [slaves]  [services]                            []
1.2.0.redhat-621084/maven/download                                                               
   root                             root       -         http://127.0.0.1:8181/maven/download    
1.2.0.redhat-621084/maven/upload                                                                 
   root                             root       -         http://127.0.0.1:8181/maven/upload
In this example, the upload URL of the current master is http://127.0.0.1:8181/maven/upload.

Manually deploy a Maven project

You can build a Maven project and upload the resulting artifact directly to the Maven proxy server, by invoking mvn deploy with the altDeploymentRepository command-line option. The value of altDeploymentRepository is specified in the following format:
ID::Layout::RepositoryURL
Where the format segments can be explained as follows:
ID
Can be used to pick up the relevant credentials from the settings.xml file (from the matching settings/servers/server/id element). Otherwise, the credentials must be specified in the repository URL. If necessary, you can simply specify a dummy value for the ID.
Layout
Can be either default (for Maven3 or Maven2) or legacy (for Maven1, which is not compatible with JBoss A-MQ).
RepositoryURL
The Maven proxy upload URL. For example, http://User:Password@localhost:8181/maven/upload/.
For example, to deploy a Maven project to a Maven proxy server running on the localhost (127.0.0.1), authenticating with the admin/admin credentials, enter a command like the following:
mvn deploy -DaltDeploymentRepository=releaseRepository::default::http://admin:admin@127.0.0.1:8181/maven/upload/

Automatically deploy a Maven project

When working in a build environment, the most convenient way to interact with the Maven proxy server is to configure the Fabric8 Maven plug-in. The Fabric8 Maven plug-in can automatically deploy your project to the local Maven proxy and, in addition, has the capability to create or update a Fabric profile for your application. For more details, see Chapter 7, Fabric8 Maven Plug-In.
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