feat: add pod disruption budgets (#218)

This allows the cluster-autoscaler to evict the pods of the concerned deployments. Signed-off-by: Sylvain Rabot <s.rabot@lectra.com>
Azure · Jan 4, 2019 · 8030f70 · 8030f70
1 parent dc6c486
commit 8030f70
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diff --git a/parts/k8s/addons/coredns.yaml b/parts/k8s/addons/coredns.yaml
@@ -159,6 +159,17 @@ spec:
             - key: Corefile
               path: Corefile
 ---
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: coredns
+  namespace: kube-system
+spec:
+  minAvailable: 50%
+  selector:
+    matchLabels:
+      k8s-app: kube-dns
+---
 apiVersion: v1
 kind: Service
 metadata:

diff --git a/parts/k8s/addons/kubernetesmasteraddons-calico-daemonset.yaml b/parts/k8s/addons/kubernetesmasteraddons-calico-daemonset.yaml
@@ -252,6 +252,19 @@ spec:
 
 ---
 
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: calico-typha
+  namespace: kube-system
+spec:
+  minAvailable: 0%
+  selector:
+    matchLabels:
+      k8s-app: calico-typha
+
+---
+
 # Typha Horizontal Autoscaler Cluster Role
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
@@ -356,6 +369,19 @@ spec:
 
 ---
 
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: calico-typha-horizontal-autoscaler
+  namespace: kube-system
+spec:
+  minAvailable: 0%
+  selector:
+    matchLabels:
+      k8s-app: calico-typha-autoscaler
+
+---
+
 # Typha Horizontal Autoscaler Role 
 apiVersion: rbac.authorization.k8s.io/v1
 kind: Role

diff --git a/parts/k8s/containeraddons/kubernetesmasteraddons-kubernetes-dashboard-deployment.yaml b/parts/k8s/containeraddons/kubernetesmasteraddons-kubernetes-dashboard-deployment.yaml
@@ -127,3 +127,14 @@ spec:
       serviceAccountName: kubernetes-dashboard
       nodeSelector:
         beta.kubernetes.io/os: linux
+---
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: kubernetes-dashboard
+  namespace: kube-system
+spec:
+  minAvailable: 0%
+  selector:
+    matchLabels:
+      k8s-app: kubernetes-dashboard
diff --git a/parts/k8s/containeraddons/kubernetesmasteraddons-tiller-deployment.yaml b/parts/k8s/containeraddons/kubernetesmasteraddons-tiller-deployment.yaml
@@ -94,3 +94,15 @@ spec:
             memory: {{ContainerMemLimits "tiller"}}
       nodeSelector:
         beta.kubernetes.io/os: linux
+---
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: tiller
+  namespace: kube-system
+spec:
+  minAvailable: 0%
+  selector:
+    matchLabels:
+      app: helm
+      name: tiller