Merge pull request #1346 from Starefossen/patch-1

Set kubedns minimum replicas to 2

.gitlab-ci.yml

@@ -127,6 +127,7 @@ before_script:
       -e download_run_once=${DOWNLOAD_RUN_ONCE}
       -e etcd_deployment_type=${ETCD_DEPLOYMENT}
       -e kube_network_plugin=${KUBE_NETWORK_PLUGIN}
+      -e kubedns_min_replicas=1
       -e kubelet_deployment_type=${KUBELET_DEPLOYMENT}
       -e local_release_dir=${PWD}/downloads
       -e resolvconf_mode=${RESOLVCONF_MODE}
@@ -153,6 +154,7 @@ before_script:
       -e download_run_once=${DOWNLOAD_RUN_ONCE}
       -e etcd_deployment_type=${ETCD_DEPLOYMENT}
       -e kube_network_plugin=${KUBE_NETWORK_PLUGIN}
+      -e kubedns_min_replicas=1
       -e kubelet_deployment_type=${KUBELET_DEPLOYMENT}
       -e local_release_dir=${PWD}/downloads
       -e resolvconf_mode=${RESOLVCONF_MODE}
@@ -186,6 +188,7 @@ before_script:
       -e resolvconf_mode=${RESOLVCONF_MODE}
       -e local_release_dir=${PWD}/downloads
       -e etcd_deployment_type=${ETCD_DEPLOYMENT}
+      -e kubedns_min_replicas=1
       -e kubelet_deployment_type=${KUBELET_DEPLOYMENT}
       --limit "all:!fake_hosts"
       cluster.yml;
@@ -227,6 +230,7 @@ before_script:
       -e resolvconf_mode=${RESOLVCONF_MODE}
       -e local_release_dir=${PWD}/downloads
       -e etcd_deployment_type=${ETCD_DEPLOYMENT}
+      -e kubedns_min_replicas=1
       -e kubelet_deployment_type=${KUBELET_DEPLOYMENT}
       --limit "all:!fake_hosts"
       cluster.yml;

roles/kubernetes-apps/ansible/defaults/main.yml

@@ -6,7 +6,7 @@ kubednsautoscaler_version: 1.1.1
 dns_memory_limit: 170Mi
 dns_cpu_requests: 100m
 dns_memory_requests: 70Mi
-kubedns_min_replicas: 1
+kubedns_min_replicas: 2
 kubedns_nodes_per_replica: 10
 
 # Images