Adds declaring disk device to use on overcloud nodes

Now in inventory file a user can declare 'disk_device' which will allow
the user to specify which disk on their overcloud server to use for
installation.  The variable can be a comma delimited list, which will
search in order post-introspection for the first device on the node that
exists.  The default disk used will be sda for deployments.

Currently defining a per node disk is not supported by OSCLI, so
although defined that way in Apex inventory, only the last definition
will be used for all nodes.

Other changes include:
 - Various fixes in inventory parsing
 - Makes bash writing a common function
 - Introspection now enabled for baremetal deployments

JIRA: APEX-296

Change-Id: I330d91eb17408ccfceb7a99c25edbae5ce6d848d
Signed-off-by: Tim Rozet <trozet@redhat.com>

1 files changed, 3 insertions, 6 deletions

diff --git a/lib/python/apex/deploy_settings.py b/lib/python/apex/deploy_settings.py
index e2d37c82..3133d7f8 100644
--- a/lib/python/apex/deploy_settings.py
+++ b/lib/python/apex/deploy_settings.py
@@ -11,6 +11,8 @@
 import yaml
 import logging
 
+from .common import utils
+
 REQ_DEPLOY_SETTINGS = ['sdn_controller',
                        'odl_version',
                        'sdn_l3',
@@ -165,12 +167,7 @@ class DeploySettings(dict):
         if 'performance' in self['deploy_options']:
             bash_str += self._dump_performance()
         bash_str += self._dump_deploy_options_array()
-
-        if path:
-            with open(path, 'w') as file:
-                file.write(bash_str)
-        else:
-            print(bash_str)
+        utils.write_str(bash_str, path)
 
 
 class DeploySettingsException(Exception):