From: Steven Hardy <shardy@redhat.com>
Date: Tue, 4 Sep 2012 16:08:34 +0000 (+0100)
Subject: heat tests : FuncUtils add get_stack_output function
X-Git-Tag: 2014.1~1485
X-Git-Url: https://review.fuel-infra.org/gitweb?a=commitdiff_plain;h=44bb725f41c6690dc13e3a350a5675469f24750a;p=openstack-build%2Fheat-build.git

heat tests : FuncUtils add get_stack_output function

Add a function to FuncUtils which allows us to easily parse
the stack outputs defined in a template

Change-Id: Ie1891cb11f54d019315350d449bdc5e22e340458
Signed-off-by: Steven Hardy <shardy@redhat.com>
---

diff --git a/heat/tests/functional/util.py b/heat/tests/functional/util.py
index c8116fcc..0b1d946d 100644
--- a/heat/tests/functional/util.py
+++ b/heat/tests/functional/util.py
@@ -350,6 +350,22 @@ class FuncUtils:
                 with open(filepaths[file]) as f:
                     assert data == f.read()
 
+    def get_stack_output(self, output_key):
+        '''
+        Extract a specified output from the DescribeStacks details
+        '''
+        # Get the DescribeStacks result for this stack
+        parameters = {'StackName': self.stackname}
+        c = self.get_heat_client()
+        result = c.describe_stacks(**parameters)
+
+        # Extract the OutputValue for the specified OutputKey
+        root = etree.fromstring(result)
+        output_list = root.xpath('//member[OutputKey="' + output_key + '"]')
+        output = output_list.pop()
+        value = output.findtext('OutputValue')
+        return value
+
     def cleanup(self):
         self.ssh.close()
         subprocess.call(['heat', 'delete', self.stackname])