Simple neutron Ubuntu deployment failed with Method granular_deploy. undefined method `[]' for nil:NilClass

[Andrey Sledzinskiy]

{

    "build_id": "2015-02-01_22-55-01",
    "ostf_sha": "c9100263140008abfcc2704732e98fbdfd644068",
    "build_number": "92",
    "release_versions":

{

    "2014.2-6.1":

{

    "VERSION":

{

    "build_id": "2015-02-01_22-55-01",
    "ostf_sha": "c9100263140008abfcc2704732e98fbdfd644068",
    "build_number": "92",
    "api": "1.0",
    "nailgun_sha": "c0932eb5c2aa7fd1e13a999cb1b4bf5aff101c3b",
    "production": "docker",
    "python-fuelclient_sha": "2ea7b3e91c1d2ff85110bf5abb161a6f4e537358",
    "astute_sha": "ed5270bf9c6c1234797e00bd7d4dd3213253a413",
    "feature_groups":

            [
                "mirantis"
            ],
            "release": "6.1",
            "fuelmain_sha": "",
            "fuellib_sha": "c5e4a0410ba66f9e9911f62b3b71c0b9c29aed6e"
        }
    }

},
"auth_required": true,
"api": "1.0",
"nailgun_sha": "c0932eb5c2aa7fd1e13a999cb1b4bf5aff101c3b",
"production": "docker",
"python-fuelclient_sha": "2ea7b3e91c1d2ff85110bf5abb161a6f4e537358",
"astute_sha": "ed5270bf9c6c1234797e00bd7d4dd3213253a413",
"feature_groups":

    [
        "mirantis"
    ],
    "release": "6.1",
    "fuelmain_sha": "",
    "fuellib_sha": "c5e4a0410ba66f9e9911f62b3b71c0b9c29aed6e"

}

Steps:
1. Create next env - simple, Ubuntu, Neutron Vlan, image-based provisioning, 1 controller, 2 compute
2. Start deployment

Actual - deployment failed on node-1(controller) with errors in astute.log:
[397] Error running RPC method granular_deploy: undefined method `[]' for nil:NilClass, trace:
["/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/puppet_task.rb:83:in `puppet_status'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/puppet_task.rb:44:in `status'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/deployment_engine/granular_deployment.rb:81:in `check_status'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/deployment_engine/granular_deployment.rb:97:in `block in deploy_nodes'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/deployment_engine/granular_deployment.rb:95:in `each'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/deployment_engine/granular_deployment.rb:95:in `deploy_nodes'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/deployment_engine/granular_deployment.rb:40:in `deploy_piece'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/deployment_engine.rb:54:in `block (3 levels) in deploy'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/deployment_engine.rb:47:in `each_slice'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/deployment_engine.rb:47:in `block (2 levels) in deploy'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/deployment_engine.rb:45:in `each'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/deployment_engine.rb:45:in `block in deploy'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/deployment_engine.rb:41:in `each'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/deployment_engine.rb:41:in `deploy'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/orchestrator.rb:306:in `deploy_cluster'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/orchestrator.rb:57:in `granular_deploy'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/server/dispatcher.rb:99:in `granular_deploy'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/server/server.rb:142:in `dispatch_message'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/server/server.rb:103:in `block in dispatch'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/server/task_queue.rb:64:in `call'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/server/task_queue.rb:64:in `block in each'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/server/task_queue.rb:56:in `each'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/server/task_queue.rb:56:in `each'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/server/server.rb:101:in `each_with_index'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/server/server.rb:101:in `dispatch'",
 "/usr/lib64/ruby/gems/2.1.0/gems/astute-6.0.0/lib/astute/server/server.rb:85:in `block in perform_main_job'"]