kube-prometheus: Convert to jsonnet

jsonnet/alertmanager/alertmanager-main-secret.libsonnet

@@ -0,0 +1,25 @@
+local k = import "ksonnet.beta.3/k.libsonnet";
+local secret = k.core.v1.secret;
+
+local plainConfig = "global:
+  resolve_timeout: 5m
+route:
+  group_by: ['job']
+  group_wait: 30s
+  group_interval: 5m
+  repeat_interval: 12h
+  receiver: 'null'
+  routes:
+  - match:
+      alertname: DeadMansSwitch
+    receiver: 'null'
+receivers:
+- name: 'null'";
+
+local config = std.base64(plainConfig);
+
+{
+    new(namespace)::
+        secret.new("alertmanager-main", {"alertmanager.yaml": config}) +
+          secret.mixin.metadata.withNamespace(namespace)
+}