Hammer CLI

Sorry, looks like I didn't test #8642 correctly. The list of puppetclass_ids in the API request is actually nil:

[root@foreman6 hammer_cli_foreman-0.1.3]# hammer -d host update --puppet-class-ids 1 --id 1                                                                                                                                                                                     
[ INFO 2014-12-10 17:06:08 Init] Initialization of Hammer CLI (0.1.3) has started...
[DEBUG 2014-12-10 17:06:08 Init] Running at ruby 1.8.7-p352
[ INFO 2014-12-10 17:06:08 Init] Configuration from the file /etc/hammer/cli_config.yml has been loaded
[ INFO 2014-12-10 17:06:08 Init] Configuration from the file /etc/hammer/cli.modules.d/foreman.yml has been loaded
[ INFO 2014-12-10 17:06:08 Init] Configuration from the file /root/.hammer/cli.modules.d/foreman.yml has been loaded
/usr/lib/ruby/gems/1.8/gems/hammer_cli-0.1.3/lib/hammer_cli/./apipie/../abstract.rb:68: warning: already initialized constant DEFAULT_LABEL_INDENT
[DEBUG 2014-12-10 17:06:08 Connection] Registered: foreman
[DEBUG 2014-12-10 17:06:08 API] Global headers: {
    "Accept-Language" => "en_GB",
              :accept => "application/json;version=2",
        :content_type => "application/json" 
}
[ INFO 2014-12-10 17:06:08 Modules] Extension module hammer_cli_foreman (0.1.3) loaded
[DEBUG 2014-12-10 17:06:08 Init] Using locale 'en_GB'
[DEBUG 2014-12-10 17:06:08 Init] 'mo' files for locale domain 'hammer-cli' loaded from '/usr/lib/ruby/gems/1.8/gems/hammer_cli-0.1.3/locale'
[DEBUG 2014-12-10 17:06:08 Init] 'mo' files for locale domain 'hammer-cli@system' loaded from '/usr/share/locale'
[DEBUG 2014-12-10 17:06:08 Init] 'mo' files for locale domain 'hammer-cli-foreman' loaded from '/usr/lib/ruby/gems/1.8/gems/hammer_cli_foreman-0.1.3/locale'
[DEBUG 2014-12-10 17:06:08 Init] 'mo' files for locale domain 'hammer-cli-foreman@system' loaded from '/usr/share/locale'
[ INFO 2014-12-10 17:06:08 HammerCLI::MainCommand] Called with options: {"option_debug"=>true}
[ INFO 2014-12-10 17:06:08 HammerCLIForeman::Host] Called with options: {}
[ INFO 2014-12-10 17:06:08 HammerCLIForeman::Host::UpdateCommand] Called with options: {"option_interface_list"=>[], "option_puppetclass_ids"=>["1"], "option_volume_list"=>[], "option_id"=>"1"}
[ INFO 2014-12-10 17:06:08 API] PUT /api/hosts/1
[DEBUG 2014-12-10 17:06:08 API] Params: {
    "host" => {
                   "puppetclass_ids" => nil,
                          "owner_id" => nil,
                "compute_attributes" => {
            "volumes_attributes" => {}
        },
             "interfaces_attributes" => {},
                "puppet_ca_proxy_id" => nil,
                   "puppet_proxy_id" => nil,
        "host_parameters_attributes" => {}
    }
}

No change is made on the server side in response:

Started PUT "/foreman/api/hosts/1" for 127.0.0.1 at 2014-12-10 17:06:08 +0000
Processing by Api::V2::HostsController#update as JSON
  Parameters: {"host"=>{"puppetclass_ids"=>nil, "owner_id"=>nil, "compute_attributes"=>{"volumes_attributes"=>{}}, "interfaces_attributes"=>{}, "puppet_ca_proxy_id"=>nil, "puppet_proxy_id"=>nil, "host_parameters_attributes"=>{}}, "apiv"=>"v2", "id"=>"1"}