baremetal Virtual_power_driver can return incorrect power status

[Chris Krelle]

is_power_on function of virtual power driver can return inaccurate results if a nodes name is a substring of another node.

Example:
create two vm nodes named: "PxeNode", and "PxeNode01"
nova boot both nodes
nova delete PxeNode

In its current state vpd is_power_on function would match PxeNode and PxeNode01 there by returning a false error believing the vm had not correctly powered off

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/23939

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/23939
Committed: http://github.com/openstack/nova/commit/79c55682dd51a8c2098c3aead8a0783a592429c5
Submitter: Jenkins
Branch: master

commit 79c55682dd51a8c2098c3aead8a0783a592429c5
Author: Chris Krelle <email address hidden>
Date: Fri Mar 8 09:22:19 2013 -0800

    Correct substring matching of baremetal VPD node names

    This path corrects a issue where is_power_on function can incorrectly match a
    node if its name is a substring of another node.

    I have also added a test for this.

    fixes bug 1152676
    Change-Id: Ic3b0b952d53dcd4464098f98879a84684efe22b2
    Authored-by: Chris Krelle <email address hidden>