Using Hudson/Command-line interface
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Starting 1.302, Hudson has a built-in CLI client that allows you to access Hudson from a script or from your shell. This is convenient for automation of routine tasks, bulk updates, trouble diagnosis, and so on.
Hudson CLI is distributed inside hudson.war. Download it from http://yourserver.com/jnlpJars/hudson-cli.jar. In theory, the CLI jar is dependent on the version of Hudson, but in practice, we expect to be able to retain compatibility between different versions of Hudson.
The general syntax is as follows (the design is similar to tools like svn/git):
java -jar hudson-cli.jar [-s HUDSON_URL] command [options...] [arguments...]
HUDSON_URL can be specified via the environment variable $HUDSON_URL. The 'help' command will give you the list of the available commands, which depends on the server you are talking to.
Plugins installed on Hudson server can add custom CLI commands to Hudson. See Writing CLI commands for more details.
Working with Credentials
If your Hudson requires authentication, use --username and --password or --password-file options to specify the credentials. To avoid doing this for every command, you can also use the login CLI command once (with the same credentials parameters), and after that you may use other commands without specifying credentials.
Note that not every authentication type supports these parameters for credentials. Prior to Hudson 1.373, only authentication in Hudson's own database was supported. As of 1.373, LDAP is also supported. If the CLI reports these are invalid parameters, file an issue for your authentication type and ask them to extend AbstractPasswordBasedSecurityRealm instead of directly from SecurityRealm to get support for these parameters.
Change History: Note that a security hole in CLI commands was fixed in Hudson 1.371, and that CLI login did not work properly for many commands until 1.375.