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Kubernetes安裝dashboard的步驟

這篇文章主要講解了“Kubernetes安裝dashboard的步驟”，文中的講解內容簡單清晰，易于學習與理解，下面請大家跟著小編的思路慢慢深入，一起來研究和學習“Kubernetes安裝dashboard的步驟”吧！

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1. 準備工作

參看CentOS7配置Kubernetes（K8S）集群 這里使用k8s版本為1.5.2

2. 準備yaml

# Copyright 2015 Google Inc. All Rights Reserved.
#
# 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.

# Configuration to deploy release version of the Dashboard UI.
#
# Example usage: kubectl create -f <this_file>

kind: Deployment
apiVersion: extensions/v1beta1
metadata:
  labels:
    app: kubernetes-dashboard
    version: latest
  name: kubernetes-dashboard
  namespace: kube-system
spec:
  replicas: 1
  selector:
    matchLabels:
      app: kubernetes-dashboard
  template:
    metadata:
      labels:
        app: kubernetes-dashboard
      # Comment the following annotation if Dashboard must not be deployed on master
      annotations:
        scheduler.alpha.kubernetes.io/tolerations: |
          [
            {
              "key": "dedicated",
              "operator": "Equal",
              "value": "master",
              "effect": "NoSchedule"
            }
          ]
    spec:
      containers:
      - name: kubernetes-dashboard
        image: docker.io/googlecontainer/kubernetes-dashboard-amd64:v1.6.1
        imagePullPolicy: Always
        ports:
        - containerPort: 9090
          protocol: TCP
        args:
          # Uncomment the following line to manually specify Kubernetes API server Host
          # If not specified, Dashboard will attempt to auto discover the API server and connect
          # to it. Uncomment only if the default does not work.
          - --apiserver-host=192.168.0.51:8080
        livenessProbe:
          httpGet:
            path: /
            port: 9090
          initialDelaySeconds: 30
          timeoutSeconds: 30
---
kind: Service
apiVersion: v1
metadata:
  labels:
    app: kubernetes-dashboard
  name: kubernetes-dashboard
  namespace: kube-system
spec:
  type: NodePort
  ports:
  - port: 80
    targetPort: 9090
  selector:
    app: kubernetes-dashboard

3. 啟動

kubectl apply -f k8s-dashboard.yaml

4. 注意事項

4.1 kubelet

###
# kubernetes kubelet (minion) config

# The address for the info server to serve on (set to 0.0.0.0 or "" for all interfaces)
KUBELET_ADDRESS="--address=0.0.0.0"

# The port for the info server to serve on
# KUBELET_PORT="--port=10250"

# You may leave this blank to use the actual hostname
KUBELET_HOSTNAME="--hostname-override=192.168.0.51"

# location of the api-server
KUBELET_API_SERVER="--api-servers=http://192.168.0.51:8080"

# pod infrastructure container
KUBELET_POD_INFRA_CONTAINER="--pod-infra-container-image=docker.io/openshift/origin-pod:latest"

# Add your own!
KUBELET_ARGS=""

將這里的ip地址修改為0.0.0.0和192.168.0.51(master地址)，這里將pod-infra指向本地鏡像pod-infra-container-image=docker.io/openshift/origin-pod:latest，需要在master和slave端都配置一遍

4.2 apiserver

###
# kubernetes system config
#
# The following values are used to configure the kube-apiserver
#

# The address on the local server to listen to.
KUBE_API_ADDRESS="--insecure-bind-address=0.0.0.0"

# The port on the local server to listen on.
# KUBE_API_PORT="--port=8080"

# Port minions listen on
# KUBELET_PORT="--kubelet-port=10250"

# Comma separated list of nodes in the etcd cluster
KUBE_ETCD_SERVERS="--etcd-servers=http://192.168.0.51:2379"

# Address range to use for services
KUBE_SERVICE_ADDRESSES="--service-cluster-ip-range=10.254.0.0/16"

# default admission control policies
#KUBE_ADMISSION_CONTROL="--admission-control=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ServiceAccount,ResourceQuota"
KUBE_ADMISSION_CONTROL="--admission-control=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ResourceQuota"

# Add your own!
KUBE_API_ARGS=""

這里去除賬號驗證

4.3 pod-infrastructure

安裝Pod時需要用到這個鏡像，提前準備，不然會因為GW的原因下不到

[root@k8s-master elk]# docker search pod-infrastructure
INDEX       NAME                                                DESCRIPTION                                     STARS     OFFICIAL   AUTOMATED
docker.io   docker.io/openshift/origin-pod                      The pod infrastructure image for OpenShift 3    8
docker.io   docker.io/davinkevin/podcast-server                 Container around the Podcast-Server Applic...   5
docker.io   docker.io/infrastructureascode/aws-cli              Containerized AWS CLI on alpine to avoid r...   4                    [OK]
docker.io   docker.io/newrelic/infrastructure                   Public image for New Relic Infrastructure.      4
docker.io   docker.io/infrastructureascode/uwsgi                uWSGI application server                        2                    [OK]
docker.io   docker.io/infrastructureascode/serf                 A tiny Docker image with HashiCorp Serf us...   1                    [OK]
docker.io   docker.io/mosquitood/k8s-rhel7-pod-infrastructure                                                   1
docker.io   docker.io/podigg/podigg-lc-hobbit                   A HOBBIT dataset generator wrapper for PoDiGG   1                    [OK]
docker.io   docker.io/stefanprodan/podinfo                      Kubernetes multi-arch pod info                  1
docker.io   docker.io/tianyebj/pod-infrastructure               registry.access.redhat.com/rhel7/pod-infra...   1
docker.io   docker.io/w564791/pod-infrastructure                latest                                          1
docker.io   docker.io/grapeupci/infrastructure                                                                  0
docker.io   docker.io/infrastructureascode/hello-world          A tiny "Hello World" web server with a hea...   0                    [OK]
docker.io   docker.io/jqka/pod-infrastructure                   redhat pod                                      0                    [OK]
docker.io   docker.io/ocpqe/hello-pod                           Copy form docker.io/deshuai/hello-pod:latest    0
docker.io   docker.io/oudi/pod-infrastructure                   pod-infrastructure                              0                    [OK]
docker.io   docker.io/sebastianhutter/podcaster                 python script to download podcasts https:/...   0                    [OK]
docker.io   docker.io/shadowalker911/pod-infrastructure                                                         0
docker.io   docker.io/statemood/pod-infrastructure              Automated build from registry.access.redha...   0                    [OK]
docker.io   docker.io/tfgco/podium                              Podium is a blazing-fast player ranking se...   0
docker.io   docker.io/trancong/pod2consul                       register pod with consul                        0
docker.io   docker.io/tundradotcom/podyn                        dockerized Podyn                                0
docker.io   docker.io/vistalba/podget                           Podget Docker with rename included.             0                    [OK]
docker.io   docker.io/xplenty/rhel7-pod-infrastructure          registry.access.redhat.com/rhel7/pod-infra...   0
docker.io   docker.io/zengshaoyong/pod-infrastructure           pod-infrastructure                              0                    [OK]

下載一個鏡像

[root@k8s-master elk]# docker pull docker.io/openshift/origin-pod

同樣的原因，提前準備dashboard的鏡像

[root@k8s-master es]# docker search kubernetes-dashboard
INDEX       NAME                                                            DESCRIPTION                                     STARS     OFFICIAL   AUTOMATED
docker.io   docker.io/mritd/kubernetes-dashboard-amd64                      kubernetes image kubernetes-dashboard-amd64     23                   [OK]
docker.io   docker.io/brainqi/kubernetes-dashboard-amd64                    full from gcr.io/google_containers/kuberne...   6
docker.io   docker.io/ist0ne/kubernetes-dashboard-amd64                     https://gcr.io/google_containers/kubernete...   6                    [OK]
docker.io   docker.io/k8scn/kubernetes-dashboard-amd64                      kubernetes-dashboard-amd64 image                6                    [OK]
docker.io   docker.io/kubernetesdashboarddev/kubernetes-dashboard-amd64                                                     6
docker.io   docker.io/siriuszg/kubernetes-dashboard-amd64                   gcr.io/google_containers/kubernetes-dashbo...   6                    [OK]
docker.io   docker.io/mirrorgooglecontainers/kubernetes-dashboard-amd64                                                     4
docker.io   docker.io/larry0208/kubernetes-dashboard-amd64-google           full from gcr.io/google_containers/kuberne...   3
docker.io   docker.io/4admin2root/kubernetes-dashboard-amd64                gcr.io/google_containers/kubernetes-dashbo...   1                    [OK]
docker.io   docker.io/kubernetesonarm/dashboard                                                                             1
docker.io   docker.io/lhcalibur/kubernetes-dashboard-amd64                  kubernetes-dashboard-amd64                      1                    [OK]
docker.io   docker.io/zounengren/kubernetes-dashboard-amd64                 kubernetes dashboard 1.8.0 for kubernetes ...   1
docker.io   docker.io/cokabug/kubernetes-dashboard-amd64                    kubernetes-dashboard-amd64                      0                    [OK]
docker.io   docker.io/gysan/kubernetes-dashboard-amd64                      gcr.io/google-containers/kubernetes-dashbo...   0                    [OK]
docker.io   docker.io/huanwei/kubernetes-dashboard-amd64                    kubernetes-dashboard-amd64                      0                    [OK]
docker.io   docker.io/kubernetesdashboarddev/kubernetes-dashboard-arm                                                       0
docker.io   docker.io/kubernetesdashboarddev/kubernetes-dashboard-arm64                                                     0
docker.io   docker.io/kubernetesdashboarddev/kubernetes-dashboard-ppc64le                                                   0
docker.io   docker.io/kubernetesdashboarddev/kubernetes-dashboard-s390x                                                     0
docker.io   docker.io/linkmancheng/kubernetes-dashboard-amd64               kubernetes-dashboard-amd64                      0                    [OK]
docker.io   docker.io/lolop82/kubernetes-dashboard                                                                          0
docker.io   docker.io/rainf/kubernetes-dashboard-amd64                      kubernetes-dashboard-amd64:v1.5.1               0                    [OK]
docker.io   docker.io/steady1211/kubernetes-dashboard-amd64                 kubernetes-dashboard-amd64 v1.6.1               0                    [OK]
docker.io   docker.io/tristan129/kubernetes-dashboard-amd64                 mirror from gcr.io/google_containers/kuber...   0
docker.io   docker.io/visenzek8s/kubernetes-dashboard-amd64                                                                 0

這里我選擇第一個鏡像

docker pull docker.io/mritd/kubernetes-dashboard-amd64

鏡像準備，在master和slave端都進行準備

5. 進入界面

通過http://192.168.0.51:8080/ui進入頁面，即主機ip和apiserver端口

感謝各位的閱讀，以上就是“Kubernetes安裝dashboard的步驟”的內容了，經過本文的學習后，相信大家對Kubernetes安裝dashboard的步驟這一問題有了更深刻的體會，具體使用情況還需要大家實踐驗證。這里是創新互聯，小編將為大家推送更多相關知識點的文章，歡迎關注！

分享題目：Kubernetes安裝dashboard的步驟
轉載源于：http://vcdvsql.cn/article20/gghdjo.html

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