feat(alertmanager): add sns alert keys

Author: iancoffey

v1/alertmanager/rootfs/etc/confd/templates/alertmanager.yml

@@ -1,16 +1,22 @@
 # expand to all the things
-{{ if exists "/deis/monitor/slack_webhook_url" }}
 notification_config {
-  name: "alertmanager_slack"
+  name: "alertmanager_deis"
+{{ if exists "/deis/monitor/alertmanager/slack_webhook_url" }}
   slack_config {
-    webhook_url: "{{ getv "/deis/monitor/slack_webhook_url" }}"
-    channel: "#{{ getv "/deis/monitor/slack_webhook_channel" }}"
+    webhook_url: "{{ getv "/deis/monitor/alertmanager/slack_webhook_url" }}"
+    channel: "#{{ getv "/deis/monitor/alertmanager/slack_webhook_channel" }}"
     send_resolved: true
   }
+{{ end }}
+{{ if exists "/deis/monitor/alertmanager/sns_topic_arn" }}
+  amazon_sns_config {
+    topic_arn: "{{ getv "/deis/monitor/alertmanager/sns_topic_arn" }}"
+    send_resolved: true
+  }
+{{ end }}
 }
 
 aggregation_rule {
   repeat_rate_seconds: 3600
-  notification_config_name: "alertmanager_slack"
+  notification_config_name: "alertmanager_deis"
 }
-{{ end }}