Add datadog driver

Change-Id: Id2f0c5cd53da96cc18f80822de713d99dd1f21ed

libra/statsd/drivers/base.py

@@ -12,7 +12,8 @@
 # License for the specific language governing permissions and limitations
 
 known_drivers = {
-    'dummy': 'libra.statsd.drivers.dummy.driver.DummyDriver'
+    'dummy': 'libra.statsd.drivers.dummy.driver.DummyDriver',
+    'datadog': 'libra.statsd.driver.dummy.driver.DatadogDriver'
 }
 
 

libra/statsd/drivers/datadog/__init__.py

@@ -0,0 +1,13 @@
+# Copyright 2013 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.

libra/statsd/drivers/datadog/driver.py

@@ -0,0 +1,27 @@
+# Copyright 2013 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+
+from libra.statsd.drivers.base import AlertDriver
+from dogapi import dog_http_api as api
+
+
+class DatadogDriver(AlertDriver):
+    def send_alert(self, message):
+        api.api_key = self.args.datadog_apikey
+        api.application_key = self.args.datadog_appkey
+        title = 'Load balancer failure'
+        text = 'Load balancer failed with message {0} {1}'.format(
+            message, self.args.datadog_message_tail
+        )
+        tags = self.args.datadog_tags.split()
+        api.event_with_response(title, text, tags=tags, alert_type='error')

libra/statsd/main.py

@@ -59,6 +59,21 @@ def main():
         '--api_server', action='append', metavar='HOST:PORT', default=[],
         help='a list of API servers to connect to'
     )
+    # Datadog plugin options
+    options.parser.add_argument(
+        '--datadog_api_key', help='API key for datadog alerting'
+    )
+    options.parser.add_argument(
+        '--datadog_app_key', help='Application key for datadog alerting'
+    )
+    options.parser.add_argument(
+        '--datadog_message_tail',
+        help='Text to add at the end of a Datadog alert'
+    )
+    options.parser.add_argument(
+        '--datadog_tags',
+        help='A space separated list of tags for Datadog alerts'
+    )
 
     args = options.run()