vCenter detection reads hypervisor.conf

- modify vcenter detection plugin to read the details
      from hypervisor.conf instead of nova.conf
    - oslo.vmware dependency added to requirements.txt

Change-Id: I6f7aa966ccdad711269a643eebffa7396359aa72

monasca_setup/detection/plugins/vcenter.py

@@ -24,7 +24,7 @@ class VCenter(Plugin):
             try:
                 cmd = proc.cmdline()
                 if len(cmd) > 2 and 'python' in cmd[0] and 'nova-compute' in cmd[1]:
-                    param = [cmd.index(y) for y in cmd if 'nova.conf' in y][0]
+                    param = [cmd.index(y) for y in cmd if 'hypervisor.conf' in y][0]
                     if '=' in cmd[param]:
                         nova_conf = cmd[param].split('=')[1]
                     else:

requirements.txt

@@ -7,6 +7,7 @@ oslo.log
 oslo.middleware
 oslo.serialization
 oslo.utils
+oslo.vmware
 
 PyYAML
 gearman>=2.0.2,<2.1