Few improvements in Kolla tools. Added Ubuntu support.

pip install default prefix in Ubuntu is /usr/local, and Kolla tools scripts
didnt respect that. So I added few OS checks in this scripts.

I improve config path check in build.py. Added more verbose error if we can't
find config directory.

Change-Id: Ide521ed205b0dc1fc27e237a9a8f4da0168e664f
Closes-Bug: #1512302

2 files changed, 22 insertions, 7 deletions

diff --git a/kolla/cmd/build.py b/kolla/cmd/build.py
index 94da59e6f..350d91288 100755
--- a/kolla/cmd/build.py
+++ b/kolla/cmd/build.py
@@ -20,6 +20,7 @@ import datetime
 import json
 import logging
 import os
+import platform
 import Queue
 import re
 import requests
@@ -189,12 +190,19 @@ class WorkerThread(Thread):
         LOG.info('{}:Built'.format(image['name']))
 
 
+def find_os_type():
+    return platform.linux_distribution()
+
+
 def find_base_dir():
     script_path = os.path.dirname(os.path.realpath(sys.argv[0]))
     if os.path.basename(script_path) == 'cmd':
         return os.path.join(script_path, '..', '..')
     if os.path.basename(script_path) == 'bin':
-        return '/usr/share/kolla'
+        if find_os_type()[0] in ['Ubuntu', 'debian']:
+            return '/usr/local/share/kolla'
+        else:
+            return '/usr/share/kolla'
     if os.path.exists(os.path.join(script_path, 'tests')):
         return script_path
     raise KollaDirNotFoundException(
@@ -203,13 +211,18 @@ def find_base_dir():
 
 
 def find_config_file(filename):
-    filepath = os.path.join('/etc/kolla', filename)
-    if os.access(filepath, os.R_OK):
-        config_file = filepath
+    global_conf_path = os.path.join('/etc/kolla', filename)
+    local_conf_path = os.path.join(find_base_dir(), 'etc', 'kolla', filename)
+
+    if os.access(global_conf_path, os.R_OK):
+        return global_conf_path
+    elif os.access(local_conf_path, os.R_OK):
+        return local_conf_path
     else:
-        config_file = os.path.join(find_base_dir(),
-                                   'etc', 'kolla', filename)
-    return config_file
+        raise KollaDirNotFoundException(
+            'Cant find kolla config. Searched at: %s and %s' %
+            (global_conf_path, local_conf_path)
+        )
 
 
 def merge_args_and_config(settings_from_config_file):
diff --git a/tools/kolla-ansible b/tools/kolla-ansible
index 573158df0..d24941193 100755
--- a/tools/kolla-ansible
+++ b/tools/kolla-ansible
@@ -7,6 +7,8 @@ function find_base_dir {
     local dir_name="$(dirname "$real_path")"
     if [[ ${dir_name} == "/usr/bin" ]]; then
         BASEDIR=/usr/share/kolla
+    elif [[ ${dir_name} == "/usr/local/bin" ]]; then
+        BASEDIR=/usr/local/share/kolla
     else
         BASEDIR="${dir_name}/.."
     fi