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https://github.com/k3s-io/kubernetes.git
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added build stuff for kube-dns
This commit is contained in:
Abhishek Shah
parent
e5dd1c4c0a
commit
a92ea56024
18
build/kube-dns/Dockerfile
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18
build/kube-dns/Dockerfile
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# Copyright 2016 The Kubernetes Authors All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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FROM BASEIMAGE
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MAINTAINER Tim Hockin <thockin@google.com>
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ADD kube-dns /
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ENTRYPOINT ["/kube-dns"]
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66
build/kube-dns/Makefile
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66
build/kube-dns/Makefile
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# Copyright 2016 The Kubernetes Authors All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Makefile for the Docker image gcr.io/google_containers/kube2sky
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# MAINTAINER: Tim Hockin <thockin@google.com>
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# If you update this image please bump the tag value before pushing.
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#
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# Usage:
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# [ARCH=amd64] [TAG=1.0] [REGISTRY=gcr.io/google_containers] [BASEIMAGE=busybox] make container
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# Default registry, arch and tag. This can be overwritten by arguments to make
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PLATFORM?=linux
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ARCH?=amd64
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TAG?=1.0
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REGISTRY?=gcr.io/google_containers
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GOLANG_VERSION=1.6
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GOARM=6
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KUBE_ROOT=$(shell pwd)/../..
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TEMP_DIR:=$(shell mktemp -d)
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ifeq ($(ARCH),amd64)
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BASEIMAGE?=busybox
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endif
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ifeq ($(ARCH),arm)
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BASEIMAGE?=armel/busybox
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endif
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ifeq ($(ARCH),arm64)
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BASEIMAGE?=aarch64/busybox
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endif
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ifeq ($(ARCH),ppc64le)
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BASEIMAGE?=ppc64le/busybox
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endif
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all: container
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container:
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# Copy the content in this dir to the temp dir
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cp $(KUBE_ROOT)/_output/local/bin/$(PLATFORM)/$(ARCH)/kube-dns $(TEMP_DIR)
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cp $(KUBE_ROOT)/build/kube-dns/Dockerfile $(TEMP_DIR)
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# Replace BASEIMAGE with the real base image
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cd $(TEMP_DIR) && sed -i "s|BASEIMAGE|$(BASEIMAGE)|g" Dockerfile
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# And build the image
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docker build -t $(REGISTRY)/kubedns-$(ARCH):$(TAG) $(TEMP_DIR)
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# delete temp dir
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rm -rf $(TEMP_DIR)
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push: container
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gcloud docker push $(REGISTRY)/kubedns-$(ARCH):$(TAG)
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.PHONY: all container push
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@ -73,17 +73,17 @@ addon-dir-create:
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{% endif %}
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{% if pillar.get('enable_cluster_dns', '').lower() == 'true' %}
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/etc/kubernetes/addons/dns/skydns-svc.yaml:
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/etc/kubernetes/addons/dns/kubedns-svc.yaml:
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file.managed:
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- source: salt://kube-addons/dns/skydns-svc.yaml.in
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- source: salt://kube-dns/kubedns-svc.yaml.in
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- template: jinja
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- group: root
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- dir_mode: 755
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- makedirs: True
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/etc/kubernetes/addons/dns/skydns-rc.yaml:
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/etc/kubernetes/addons/dns/kubedns-rc.yaml:
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file.managed:
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- source: salt://kube-addons/dns/skydns-rc.yaml.in
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- source: salt://kube-dns/kubedns-rc.yaml.in
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- template: jinja
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- group: root
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- dir_mode: 755
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83
cluster/saltbase/salt/kube-dns/kubedns-rc.yaml.in
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83
cluster/saltbase/salt/kube-dns/kubedns-rc.yaml.in
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apiVersion: v1
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kind: ReplicationController
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metadata:
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name: kube-dns-v12
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namespace: kube-system
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labels:
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k8s-app: kube-dns
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version: v12
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kubernetes.io/cluster-service: "true"
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spec:
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replicas: {{ pillar['dns_replicas'] }}
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selector:
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k8s-app: kube-dns
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version: v12
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template:
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metadata:
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labels:
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k8s-app: kube-dns
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version: v12
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kubernetes.io/cluster-service: "true"
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spec:
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{% if grains['cloud'] is defined and grains['cloud'] in [ 'vsphere', 'photon-controller' ] %}
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hostNetwork: true
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{% endif %}
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containers:
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- name: kubedns
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image: artfulcoder/kubedns-amd64:1.0
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resources:
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# TODO: Set memory limits when we've profiled the container for large
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# clusters, then set request = limit to keep this container in
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# guaranteed class. Currently, this container falls into the
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# "burstable" category so the kubelet doesn't backoff from restarting it.
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limits:
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cpu: 100m
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memory: 200Mi
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requests:
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cpu: 100m
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memory: 50Mi
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livenessProbe:
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httpGet:
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path: /healthz
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port: 8080
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scheme: HTTP
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initialDelaySeconds: 60
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timeoutSeconds: 5
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successThreshold: 1
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failureThreshold: 5
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readinessProbe:
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httpGet:
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path: /readiness
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port: 8081
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scheme: HTTP
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# we poll on pod startup for the Kubernetes master service and
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# only setup the /readiness HTTP server once that's available.
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initialDelaySeconds: 30
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timeoutSeconds: 5
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args:
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# command = "/kube-dns"
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- --domain={{ pillar['dns_domain'] }}.
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ports:
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- containerPort: 53
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name: dns
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protocol: UDP
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- containerPort: 53
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name: dns-tcp
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protocol: TCP
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- name: healthz
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image: gcr.io/google_containers/exechealthz:1.0
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resources:
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# keep request = limit to keep this container in guaranteed class
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limits:
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cpu: 10m
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memory: 20Mi
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requests:
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cpu: 10m
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memory: 20Mi
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args:
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- -cmd=nslookup kubernetes.default.svc.{{ pillar['dns_domain'] }} 127.0.0.1 >/dev/null
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- -port=8080
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ports:
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- containerPort: 8080
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protocol: TCP
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dnsPolicy: Default # Don't use cluster DNS.
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20
cluster/saltbase/salt/kube-dns/kubedns-svc.yaml.in
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20
cluster/saltbase/salt/kube-dns/kubedns-svc.yaml.in
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@ -0,0 +1,20 @@
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apiVersion: v1
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kind: Service
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metadata:
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name: kube-dns
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namespace: kube-system
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labels:
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k8s-app: kube-dns
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kubernetes.io/cluster-service: "true"
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kubernetes.io/name: "KubeDNS"
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spec:
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selector:
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k8s-app: kube-dns
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clusterIP: {{ pillar['dns_server'] }}
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ports:
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- name: dns
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port: 53
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protocol: UDP
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- name: dns-tcp
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port: 53
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protocol: TCP
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@ -30,6 +30,7 @@ fi
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# kube::build::source_targets in build/common.sh as well.
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kube::golang::server_targets() {
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local targets=(
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cmd/kube-dns
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cmd/kube-proxy
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cmd/kube-apiserver
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cmd/kube-controller-manager
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@ -159,6 +160,7 @@ readonly KUBE_ALL_BINARIES=("${KUBE_ALL_TARGETS[@]##*/}")
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readonly KUBE_STATIC_LIBRARIES=(
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kube-apiserver
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kube-controller-manager
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kube-dns
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kube-scheduler
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kube-proxy
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kubectl
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