diff options
Diffstat (limited to 'roles/kubernetes/kubeadm/master/templates/node-local-dns.yml.j2')
| -rw-r--r-- | roles/kubernetes/kubeadm/master/templates/node-local-dns.yml.j2 | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/roles/kubernetes/kubeadm/master/templates/node-local-dns.yml.j2 b/roles/kubernetes/kubeadm/master/templates/node-local-dns.yml.j2 deleted file mode 100644 index d536d5a7..00000000 --- a/roles/kubernetes/kubeadm/master/templates/node-local-dns.yml.j2 +++ /dev/null @@ -1,211 +0,0 @@ -# Copyright 2018 The Kubernetes Authors. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -# - -apiVersion: v1 -kind: ServiceAccount -metadata: - name: node-local-dns - namespace: kube-system - labels: - kubernetes.io/cluster-service: "true" - addonmanager.kubernetes.io/mode: Reconcile ---- -apiVersion: v1 -kind: Service -metadata: - name: kube-dns-upstream - namespace: kube-system - labels: - k8s-app: kube-dns - kubernetes.io/cluster-service: "true" - addonmanager.kubernetes.io/mode: Reconcile - kubernetes.io/name: "KubeDNSUpstream" -spec: - ports: - - name: dns - port: 53 - protocol: UDP - targetPort: 53 - - name: dns-tcp - port: 53 - protocol: TCP - targetPort: 53 - selector: - k8s-app: kube-dns ---- -apiVersion: v1 -kind: ConfigMap -metadata: - name: node-local-dns - namespace: kube-system - labels: - addonmanager.kubernetes.io/mode: Reconcile -data: - Corefile: | - {{ kubernetes.dns_domain | default('cluster.local') }}:53 { - errors - cache { - success 9984 30 - denial 9984 5 - } - reload - loop - bind {{ kubernetes_nodelocal_dnscache_ip }} - forward . __PILLAR__CLUSTER__DNS__ { - force_tcp - } - prometheus :9253 - health {{ kubernetes_nodelocal_dnscache_ip }}:8080 - } - in-addr.arpa:53 { - errors - cache 30 - reload - loop - bind {{ kubernetes_nodelocal_dnscache_ip }} - forward . __PILLAR__CLUSTER__DNS__ { - force_tcp - } - prometheus :9253 - } - ip6.arpa:53 { - errors - cache 30 - reload - loop - bind {{ kubernetes_nodelocal_dnscache_ip }} - forward . __PILLAR__CLUSTER__DNS__ { - force_tcp - } - prometheus :9253 - } - .:53 { - errors - cache 30 - reload - loop - bind {{ kubernetes_nodelocal_dnscache_ip }} - forward . __PILLAR__UPSTREAM__SERVERS__ { - force_tcp - } - prometheus :9253 - } ---- -apiVersion: apps/v1 -kind: DaemonSet -metadata: - name: node-local-dns - namespace: kube-system - labels: - k8s-app: node-local-dns - kubernetes.io/cluster-service: "true" - addonmanager.kubernetes.io/mode: Reconcile -spec: - updateStrategy: - rollingUpdate: - maxUnavailable: 10% - selector: - matchLabels: - k8s-app: node-local-dns - template: - metadata: - labels: - k8s-app: node-local-dns - annotations: - prometheus.io/port: "9253" - prometheus.io/scrape: "true" - spec: - priorityClassName: system-node-critical - serviceAccountName: node-local-dns - hostNetwork: true - dnsPolicy: Default # Don't use cluster DNS. - tolerations: - - key: "CriticalAddonsOnly" - operator: "Exists" - - effect: "NoExecute" - operator: "Exists" - - effect: "NoSchedule" - operator: "Exists" - containers: - - name: node-cache - image: k8s.gcr.io/dns/k8s-dns-node-cache:1.16.0 - resources: - requests: - cpu: 25m - memory: 5Mi - args: [ "-localip", "{{ kubernetes_nodelocal_dnscache_ip }}", "-conf", "/etc/Corefile", "-upstreamsvc", "kube-dns-upstream" ] - securityContext: - privileged: true - ports: - - containerPort: 53 - name: dns - protocol: UDP - - containerPort: 53 - name: dns-tcp - protocol: TCP - - containerPort: 9253 - name: metrics - protocol: TCP - livenessProbe: - httpGet: - host: {{ kubernetes_nodelocal_dnscache_ip }} - path: /health - port: 8080 - initialDelaySeconds: 60 - timeoutSeconds: 5 - volumeMounts: - - mountPath: /run/xtables.lock - name: xtables-lock - readOnly: false - - name: config-volume - mountPath: /etc/coredns - - name: kube-dns-config - mountPath: /etc/kube-dns - volumes: - - name: xtables-lock - hostPath: - path: /run/xtables.lock - type: FileOrCreate - - name: kube-dns-config - configMap: - name: kube-dns - optional: true - - name: config-volume - configMap: - name: node-local-dns - items: - - key: Corefile - path: Corefile.base ---- -# A headless service is a service with a service IP but instead of load-balancing it will return the IPs of our associated Pods. -# We use this to expose metrics to Prometheus. -apiVersion: v1 -kind: Service -metadata: - annotations: - prometheus.io/port: "9253" - prometheus.io/scrape: "true" - labels: - k8s-app: node-local-dns - name: node-local-dns - namespace: kube-system -spec: - clusterIP: None - ports: - - name: metrics - port: 9253 - targetPort: 9253 - selector: - k8s-app: node-local-dns |