Can not start a cluster with message "Hadoop cluster should contain only 1 NameNode instance"

[Dmitry Iakunchikov]

Pre-conditions:
image - savanna-0.2-vanilla-1.1.2-fedora-18.qcow2
added via glance image
registreted in savanna dashboard

Steps to reproduce:
1)use tests from branch 'stable/0.2'
2)create cluster

Actual result:
URL = http://192.168.1.2:8386/v1.0/abac15d583774db7887ec380bf7a7ed3/clusters
 data = {"cluster_template_id": "72125e8e-98e3-4690-be5e-84c3b4fb89b9", "name": "cluster-crud", "hadoop_version": "1.1.2", "default_image_id": "931deb2a-02a9-441d-8c52-54f50a6ad8a1", "user_keypair_id": "mykey", "plugin_name": "vanilla"}
 response = 400
 data = {"error_name": "NOT_SINGLE_NAME_NODE", "error_message": "Hadoop cluster should contain only 1 NameNode instance. Actual NN count is 1", "error_code": 400}

URL = http://192.168.1.2:8386/v1.0/abac15d583774db7887ec380bf7a7ed3/cluster-templates/72125e8e-98e3-4690-be5e-84c3b4fb89b9
response = 400

In Dashboard savanna cluster status is error

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/42349

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/42349
Committed: http://github.com/stackforge/savanna/commit/ab52bfdf5d93893a32aa936f639fd8056638a40b
Submitter: Jenkins
Branch: master

commit ab52bfdf5d93893a32aa936f639fd8056638a40b
Author: Alexander Ignatov <email address hidden>
Date: Fri Aug 16 17:44:27 2013 +0400

    Resolved issue with wrong comparison

    * This path needs to be backported to 0.2.x

    Fixes: bug #1213074

    Change-Id: I98af56809f0ab84c01aa800d7f834c8131657c5f

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/0.2
Review: https://review.openstack.org/42371

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/42371
Committed: http://github.com/stackforge/savanna/commit/5191623e18a9f1171691c53ab4298601cf85313e
Submitter: Jenkins
Branch: stable/0.2

commit 5191623e18a9f1171691c53ab4298601cf85313e
Author: Alexander Ignatov <email address hidden>
Date: Fri Aug 16 17:44:27 2013 +0400

    Resolved issue with wrong comparison

    * This path needs to be backported to 0.2.x

    Fixes: bug #1213074

    Change-Id: I98af56809f0ab84c01aa800d7f834c8131657c5f
    (cherry picked from commit ab52bfdf5d93893a32aa936f639fd8056638a40b)