added explicit install target
[sfa.git] / geni / aggregate.py
index 5bc8e76..3fb3566 100644 (file)
@@ -36,14 +36,32 @@ class Aggregates(dict):
 
     required_fields = ['hrn', 'addr', 'port']
      
-    def __init__(self, api):
+    def __init__(self, api, file = "/etc/geni/aggregates.xml"):
         dict.__init__(self, {})
         self.api = api
-        aggregates_file = self.api.server_basedir + os.sep + 'aggregates.xml'
+
+        # create default connection dict
         connection_dict = {}
         for field in self.required_fields:
             connection_dict[field] = ''
-        self.aggregate_info = XmlStorage(aggregates_file, {'aggregates': {'aggregate': [connection_dict]}})
+        aggregates_dict = {'aggregates': {'aggregate': [connection_dict]}}
+        # get possible config file locations
+        loaded = False
+        path = os.path.dirname(os.path.abspath(__file__))
+        filename = file.split(os.sep)[-1]
+        alt_file = path + os.sep + filename
+        files = [file, alt_file]
+        
+        for f in files:
+            try:
+                if os.path.isfile(f):
+                    self.aggregate_info = XmlStorage(f, aggregates_dict)
+                    loaded = True
+            except: pass
+
+        # if file is missing, just recreate it in the right place
+        if not loaded:
+            self.aggregate_info = XmlStorage(file, aggregates_dict)
         self.aggregate_info.load()
         self.connectAggregates()
 
@@ -82,7 +100,7 @@ class Aggregates(dict):
 
         # set up a connection to the local registry
         # connect to registry using GeniClient
-        address = self.api.config.GENI_AGGREGATE_HOSTNAME
+        address = self.api.config.GENI_AGGREGATE_HOST
         port = self.api.config.GENI_AGGREGATE_PORT
         url = 'http://%(address)s:%(port)s' % locals()
         self[self.api.hrn] = GeniClient(url, self.api.key_file, self.api.cert_file)