Added anti-affinity to Prometheus and alertmanager

.gitignore

@@ -1 +1,2 @@
 vendor
+auth

manifests/alertmanager-alertmanager.yaml

@@ -6,6 +6,20 @@ metadata:
   name: main
   namespace: monitoring
 spec:
+  affinity:
+    podAntiAffinity:
+      preferredDuringSchedulingIgnoredDuringExecution:
+      - podAffinityTerm:
+          labelSelector:
+            matchExpressions:
+            - key: alertmanager
+              operator: In
+              values:
+              - main
+          namespaces:
+          - monitoring
+          topologyKey: kubernetes.io/hostname
+        weight: 100
   baseImage: carlosedp/alertmanager
   nodeSelector:
     beta.kubernetes.io/os: linux

manifests/prometheus-prometheus.yaml

@@ -6,6 +6,20 @@ metadata:
   name: k8s
   namespace: monitoring
 spec:
+  affinity:
+    podAntiAffinity:
+      preferredDuringSchedulingIgnoredDuringExecution:
+      - podAffinityTerm:
+          labelSelector:
+            matchExpressions:
+            - key: prometheus
+              operator: In
+              values:
+              - k8s
+          namespaces:
+          - monitoring
+          topologyKey: kubernetes.io/hostname
+        weight: 100
   alerting:
     alertmanagers:
     - name: alertmanager-main

operator_stack.jsonnet

@@ -1,7 +1,7 @@
 local k = import 'ksonnet/ksonnet.beta.3/k.libsonnet';
 
 local kp = (import 'kube-prometheus/kube-prometheus.libsonnet') +
-        //    (import 'kube-prometheus/kube-prometheus-anti-affinity.libsonnet') +
+           (import 'kube-prometheus/kube-prometheus-anti-affinity.libsonnet') +
            (import 'kube-prometheus/kube-prometheus-kops-coredns.libsonnet') +
            (import 'kube-prometheus/kube-prometheus-kubeadm.libsonnet') +
            (import 'image_sources_versions.jsonnet') +