Merge lp:~lomov-as/charms/trusty/cf-go-router/trunk into lp:~cf-charmers/charms/trusty/cf-go-router/trunk

[Alex Lomov]

Use new versions of cf-loggregator

Changed relation names

[Alex Lomov (lomov-as)]

Please take a look.

[Alexandr Prismakov (prismakov)]

Reviewed, looks good.

review: Approve

=== modified file 'hooks/charmhelpers/contrib/cloudfoundry/common.py'
--- hooks/charmhelpers/contrib/cloudfoundry/common.py	2014-04-13 18:00:04 +0000
+++ hooks/charmhelpers/contrib/cloudfoundry/common.py	2014-05-12 11:23:58 +0000
@@ -48,9 +48,9 @@
     gid = grp.getgrnam(group).gr_gid
     for root, dirs, files in os.walk(path):
         for momo in dirs:
-            os.lchown(os.path.join(root, momo), uid, gid)
-        for momo in files:
-            os.lchown(os.path.join(root, momo), uid, gid)
+            os.chown(os.path.join(root, momo), uid, gid)
+            for momo in files:
+                os.chown(os.path.join(root, momo), uid, gid)
 
 
 @contextmanager
@@ -63,7 +63,9 @@
 
 
 def prepare_cloudfoundry_environment(config_data, packages):
-    add_source(config_data['source'], config_data.get('key'))
-    apt_update(fatal=True)
-    apt_install(packages=filter_installed_packages(packages), fatal=True)
+    if 'source' in config_data:
+        add_source(config_data['source'], config_data.get('key'))
+        apt_update(fatal=True)
+    if packages:
+        apt_install(packages=filter_installed_packages(packages), fatal=True)
     host.adduser('vcap')

=== modified file 'hooks/charmhelpers/contrib/cloudfoundry/contexts.py'
--- hooks/charmhelpers/contrib/cloudfoundry/contexts.py	2014-04-03 18:19:32 +0000
+++ hooks/charmhelpers/contrib/cloudfoundry/contexts.py	2014-05-12 11:23:58 +0000
@@ -29,19 +29,30 @@
         return hookenv.config()
 
 
+class StorableContext(object):
+    
+    def store_context(self, file_name, config_data):
+        with open(file_name, 'w') as file_stream:
+            yaml.dump(config_data, file_stream)
+
+    def read_context(self, file_name):
+        with open(file_name, 'r') as file_stream:
+            data = yaml.load(file_stream)
+            if not data:
+                raise OSError("%s is empty" % file_name)
+            return data
+
+
 # Stores `config_data` hash into yaml file with `file_name` as a name
 # if `file_name` already exists, then it loads data from `file_name`.
-class StoredContext(OSContextGenerator):
+class StoredContext(OSContextGenerator, StorableContext):
+
     def __init__(self, file_name, config_data):
         self.data = config_data
         if os.path.exists(file_name):
-            with open(file_name, 'r') as file_stream:
-                self.data = yaml.load(file_stream)
-                if not self.data:
-                    raise OSError("%s is empty" % file_name)
+            self.data = self.read_context(file_name)
         else:
-            with open(file_name, 'w') as file_stream:
-                yaml.dump(config_data, file_stream)
+            self.store_context(file_name, config_data)
             self.data = config_data
 
     def __call__(self):
@@ -64,3 +75,9 @@
 class RouterContext(RelationContext):
     interface = 'router'
     required_keys = ['domain']
+
+
+class LoggregatorContext(RelationContext):
+    interface = 'loggregator'
+    required_keys = ['shared_secret', 'loggregator_address']
+