PowerDNS recursor check

checks.d/powerdns-recursor.py

@@ -0,0 +1,41 @@
+# Datadog
+from checks import AgentCheck
+
+# Other
+import simplejson as json
+import requests
+from collections import namedtuple
+
+class PdnsChecks(AgentCheck):
+
+
+    def _get_pdns_stats(self, instance):
+        config = self._get_config(instance)
+        url = config.pdns_url + ':' + str(config.port) + "/servers/localhost/statistics"
+        headers = {"X-API-Key" : config.api_key}
+        request = requests.get(url, headers=headers)
+        result = json.loads(request.text)
+        return result
+
+    def check(self, instance):
+        stats = self._get_pdns_stats(instance)
+        for stat in stats:
+            self.gauge('pdns.' + stat['name'], stat['value'])
+
+    def _get_config(self, instance):
+        required = ['pdns_url', 'port', 'api_key']
+        for param in required:
+            if not instance.get(param):
+                raise Exception("powerdns-recursor instance missing %s. Skipping." % (param))
+
+        pdns_url = instance.get('pdns_url')
+        port = instance.get('port')
+        api_key = instance.get('api_key')
+
+        Config = namedtuple('Config', [
+            'pdns_url',
+            'port',
+            'api_key']
+        )
+
+        return Config(pdns_url, port, api_key)

conf.d/powerdns-recursor.yaml.j2

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+init_config:
+
+instances:
+  - pdns_url: http://127.0.0.1
+    port: 8082
+    api_key: pdns_api_key