1. k8s 對接glusterfs存儲

a：創(chuàng)建endpoint

#查看
kubectl describe svc myweb
kubectl get endpoints myweb
kubectl describe endpoints myweb

#創(chuàng)建
[root@k8s-master ~]# cd k8s_yaml/
[root@k8s-master k8s_yaml]# mkdir gfs
[root@k8s-master k8s_yaml]# cd gfs/

#添加文件
[root@k8s-master gfs]# vim glusterfs-ep.yaml 
apiVersion: v1
kind: Endpoints
metadata:
  name: glusterfs
  namespace: default
subsets:
- addresses:
  - ip: 10.0.0.11
  - ip: 10.0.0.12
  - ip: 10.0.0.13
  ports:
  - port: 49152
    protocol: TCP

#創(chuàng)建并查看
[root@k8s-master gfs]# kubectl create -f glusterfs-ep.yaml 
endpoints "glusterfs" created
[root@k8s-master gfs]# kubectl get endpoints 
NAME               ENDPOINTS                                         AGE
glusterfs          10.0.0.11:49152,10.0.0.12:49152,10.0.0.13:49152   9s
kubernetes         10.0.0.11:6443                                    6d
mysql              <none>                                            1d
myweb              172.18.13.7:8080                                  1d
nginx              172.18.13.7:80                                    5d
nginx-deployment   172.18.13.5:80                                    1d

b:glusterfs-svc.yaml

[root@k8s-master gfs]#  vim  glusterfs-svc.yaml
apiVersion: v1
kind: Service
metadata:
  name: glusterfs
  namespace: default
spec:
  ports:
  - port: 49152
    protocol: TCP
    targetPort: 49152
  sessionAffinity: None
  type: ClusterIP
[root@k8s-master gfs]# kubectl create -f glusterfs-svc.yaml 
service "glusterfs" created

c: 創(chuàng)建gluster類型pv

#配置文件中的glusterfs名是用昨天創(chuàng)建好的wahaha

[root@k8s-master gfs]# vim glusterfs-pv.yaml 
apiVersion: v1
kind: PersistentVolume
metadata:
  name: gluster
  labels:
    type: glusterfs
spec:
  capacity:
    storage: 20Gi
  accessModes:
    - ReadWriteMany
  glusterfs:
    endpoints: "glusterfs"
    path: "wahaha"
    readOnly: false

[root@k8s-master gfs]# kubectl create -f glusterfs-pv.yaml 
persistentvolume "gluster" created
[root@k8s-master gfs]# kubectl get pv
NAME      CAPACITY   ACCESSMODES   RECLAIMPOLICY   STATUS      CLAIM     REASON    AGE
gluster   20Gi       RWX           Retain          Available                       5s

d:k8s_pvc.yaml

[root@k8s-master gfs]# vim k8s_pvc.yaml 
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: tomcat-mysql
spec:
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 20Gi


[root@k8s-master gfs]# kubectl create -f k8s_pvc.yaml 
persistentvolumeclaim "tomcat-mysql" created
[root@k8s-master gfs]# kubectl get pvc
NAME           STATUS    VOLUME    CAPACITY   ACCESSMODES   AGE
tomcat-mysql   Bound     gluster   20Gi       RWX           9s
[root@k8s-master gfs]# kubectl get pvc -n default
NAME           STATUS    VOLUME    CAPACITY   ACCESSMODES   AGE
tomcat-mysql   Bound     gluster   20Gi       RWX           19s

e:mysql-rc-pvc.yaml

[root@k8s-master tomcat_demo]# cp mysql-rc-nfs.yaml mysql-rc-pvc.yaml
[root@k8s-master tomcat_demo]# cat mysql-rc-pvc.yaml 
apiVersion: v1
kind: ReplicationController
metadata:
  name: mysql
spec:
  replicas: 1
  selector:
    app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      volumes: 
      - name: mysql 
        persistentVolumeClaim:
          claimName: tomcat-mysql 
      containers:
        - name: mysql
          volumeMounts:
          - mountPath: /var/lib/mysql
            name: mysql
          image: 10.0.0.11:5000/mysql:5.7
          ports:
          - containerPort: 3306
          env:
          - name: MYSQL_ROOT_PASSWORD
            value: '123456'

[root@k8s-master tomcat_demo]# kubectl delete -f mysql-rc-pvc.yaml 
replicationcontroller "mysql" deleted
[root@k8s-master tomcat_demo]# kubectl create -f mysql-rc-pvc.yaml 
replicationcontroller "mysql" created
[root@k8s-master tomcat_demo]# kubectl get pod -o wide
NAME                                READY     STATUS    RESTARTS   AGE       IP            NODE
mysql-p2xkq                         1/1       Running   0          10m       172.18.81.4   k8s-node1
myweb-41l9f                         1/1       Running   1          16h       172.18.13.7   k8s-node2

f:瀏覽器訪問添加數(shù)據(jù)后再刪除pod

image

#創(chuàng)建新數(shù)據(jù)后刪除mysql的pod會自動生成新的pod
kubectl delete pod mysql-m3zm9

瀏覽器再次訪問數(shù)據(jù)還在

image

g:在node2節(jié)點上查看/mnt目錄

[root@k8s-node2 ~]# mount -t glusterfs 10.0.0.11:/wahaha /mnt
[root@k8s-node2 mnt]# df -h
10.0.0.11:/wahaha   30G  615M   30G   3% /mnt

[root@k8s-node2 mnt]# ll
total 188434
-rw-r----- 1 polkitd input       56 Sep 18 09:45 auto.cnf
drwxr-x--- 2 polkitd input     4096 Sep 18 09:47 HPE_APP
-rw-r----- 1 polkitd input      719 Sep 18 09:47 ib_buffer_pool
-rw-r----- 1 polkitd input 79691776 Sep 18 09:47 ibdata1
-rw-r----- 1 polkitd input 50331648 Sep 18 09:47 ib_logfile0
-rw-r----- 1 polkitd input 50331648 Sep 18 09:45 ib_logfile1
-rw-r----- 1 polkitd input 12582912 Sep 18 09:47 ibtmp1
drwxr-x--- 2 polkitd input     4096 Sep 18 09:45 mysql
drwxr-x--- 2 polkitd input     4096 Sep 18 09:45 performance_schema
drwxr-x--- 2 polkitd input     4096 Sep 18 09:45 sys

2. 與jenkins集成實現(xiàn)ci/cd

jenkins 工具 自動化代碼上線
核心功能 支持大量的插件

jenkins java代碼

比如之前做的小鳥飛飛是純html頁面
如果想換個小鳥的顏色怎么做呢
html文件站點
開發(fā)寫好代碼傳給運維然后運維進行上傳解壓

代碼版本管理軟件

git: github

git check out

git tag

shell腳本

java類型
java項目代碼上線鏈接

java

需要編譯
.cless

2.1 安裝gitlab并上傳代碼

image

需要的軟件下載鏈接提取碼: dshc

#上傳代碼包
[root@k8s-node2 jenkins-k8s]# ll
total 890176
-rw-r--r-- 1 root root   9128610 Sep 18 10:48 apache-tomcat-8.0.27.tar.gz
-rw-r--r-- 1 root root 569408968 Sep 18 10:49 gitlab-ce-11.9.11-ce.0.el7.x86_64.rpm
-rw-r--r-- 1 root root 166044032 Sep 18 10:48 jdk-8u102-linux-x64.rpm
-rw-r--r-- 1 root root  89566714 Sep 18 10:49 jenkin-data.tar.gz
-rw-r--r-- 1 root root  77289987 Sep 18 10:49 jenkins.war
-rw-r--r-- 1 root root     91014 Sep 18 10:49 xiaoniaofeifei.zip

#安裝
[root@k8s-node2 jenkins-k8s]# rpm -ivh gitlab-ce-11.9.11-ce.0.el7.x86_64.rpm

#配置
vim /etc/gitlab/gitlab.rb
external_url 'http://10.0.0.13'
prometheus_monitoring['enable'] = false

#應(yīng)用并啟動服務(wù)
gitlab-ctl reconfigure

#使用瀏覽器訪問http://10.0.0.13,修改root用戶密碼,創(chuàng)建project

image

gitlab 11.1.4（不限版本）漢化方法

image

創(chuàng)建項目

image

[root@k8s-node2 opt]# cd /srv/
[root@k8s-node2 srv]# ls
[root@k8s-node2 srv]# git clone https://gitlab.com/xhang/gitlab.git
Cloning into 'gitlab'...

#確保有g(shù)it命令
[root@k8s-node2 srv]# which git
/usr/bin/git
[root@k8s-node2 srv]# git config --global user.name "Administrator"
[root@k8s-node2 srv]# git config --global user.email "admin@example.com"
[root@k8s-node2 srv]# cat /root/.gitconfig 
[user]
    name = Administrator
    email = admin@example.com
    
[root@k8s-node2 srv]# mv /root/jenkins-k8s/xiaoniaofeifei.zip .
[root@k8s-node2 srv]# unzip xiaoniaofeifei.zip 
[root@k8s-node2 srv]# ls
2000.png  21.js  icon.png  img  index.html  sound1.mp3  xiaoniaofeifei.zip

上傳代碼

git init
git remote add origin http://10.0.0.13/root/xiaoniao.git
git add .
git commit -m "Initial commit"

#登錄賬戶密碼
[root@k8s-node2 srv]# git push -u origin master
Username for 'http://10.0.0.13': root
Password for 'http://root@10.0.0.13':

上傳成功

image

2.2 安裝jenkins,并自動構(gòu)建docker鏡像

node1上安裝jenkins

[root@k8s-node1 opt]# ll
total 334020
-rw-r--r-- 1 root root   9128610 Sep 18 11:53 apache-tomcat-8.0.27.tar.gz
-rw-r--r-- 1 root root 166044032 Sep 18 11:54 jdk-8u102-linux-x64.rpm
-rw-r--r-- 1 root root  89566714 Sep 18 11:54 jenkin-data.tar.gz
-rw-r--r-- 1 root root  77289987 Sep 18 11:54 jenkins.war

rpm -ivh jdk-8u102-linux-x64.rpm 
mkdir /app
tar xf apache-tomcat-8.0.27.tar.gz -C /app
rm -fr /app/apache-tomcat-8.0.27/webapps/*
mv jenkins.war /app/apache-tomcat-8.0.27/webapps/ROOT.war
tar xf jenkin-data.tar.gz -C /root
/app/apache-tomcat-8.0.27/bin/startup.sh 
netstat -lntup

2.3 瀏覽器訪問jenkins

訪問http://10.0.0.12:8080/,默認(rèn)賬號密碼admin:123456

image

2.4 配置jenkins拉取gitlab代碼憑據(jù)

a:在jenkins上生成秘鑰對

#生成秘鑰 一路回車
[root@k8s-node1 opt]# ssh-keygen -t rsa

[root@k8s-node1 opt]# ls /root/.ssh/
id_rsa  id_rsa.pub  known_hosts

b:復(fù)制公鑰粘貼gitlab上

新建秘鑰的進入方法

image

image

c:在node1上查看秘鑰

[root@k8s-node1 opt]# cat /root/.ssh/id_rsa.pub 
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCrlIgDVptvmipg00CP7P955Nbn2h+oy06hUiYWE+htG6VjLSCFjEhrxgXOCX2EAKGLgveWA46MLt4XN2Gi4E1H3aDsM/gBu8D+4487bKuLKv1ZeMeWECcDKL16cjtSQw6ShsCLBwh3aq5TT85I/ypUYMsQ1+N4Iiv4i3g3ozn0yPsyMq9rekW+nHbs8eJL1OzIue6hL78AgI8QuZ7QaCQ5TJDmCwKuLC+B+6ajyNezSxBIlZeBuUE5lacKmvxxnX5Dqzlvf5uGrVRSgPCR6oTTDTHmx2GVHIl7BJLZH/uR4tP7gYoY9fFOM1VyJ8Pjq+XcLGYFWNQKTgxKQO/08sjr root@k8s-node1

image

d:jenkins上創(chuàng)建全局憑據(jù)

image

[root@k8s-node1 opt]# cat /root/.ssh/id_rsa
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----

image

image

e:新建任務(wù)

image

image

克隆url

image

粘貼url

image

選擇執(zhí)行shell后保存

image

立即構(gòu)建查看控制臺輸出內(nèi)容

image

2.5 編寫dockerfile并測試

#node2上編寫

[root@k8s-node2 srv]# ls
2000.png  21.js  icon.png  img  index.html  sound1.mp3  xiaoniaofeifei.zip
[root@k8s-node2 srv]# vim dockerfile
a
FROM 10.0.0.11:5000/nginx:1.13
ADD . /usr/share/nginx/html

#構(gòu)建
[root@k8s-node2 srv]# docker build -t xiaoniao:v1 .

#創(chuàng)建容器并查看
[root@k8s-node2 srv]# docker run -d -P xiaoniao:v1 
74fe566ac2e1f53eafec83904ea17a2ec0393f82cbb22e05e1465e0f5d29e86f
[root@k8s-node2 srv]# docker ps -a -l
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                   NAMES
74fe566ac2e1        xiaoniao:v1         "nginx -g 'daemon ..."   20 seconds ago      Up 16 seconds       0.0.0.0:32768->80/tcp   optimistic_bartik

訪問10.0.0.13:32768

image

[root@k8s-node1 ~]# cd /root/.jenkins/workspace/xiaoniao
[root@k8s-node1 xiaoniao]# ls
2000.png  21.js  icon.png  img  index.html  sound1.mp3  xiaoniaofeifei.zip

2.6 在gitlab上上傳代碼

image

添加dockerfile文件和配置內(nèi)容

image

image

再次點擊配置,構(gòu)建修改shell命令

docker build -t 10.0.0.11:5000/xiaoniao:v1 .
docker push 10.0.0.11:5000/xiaoniao:v1

image

image

立即構(gòu)建

image

控制臺查看

image

去私有倉庫查看一下有沒有xiaoniao的鏡像,并查看版本

[root@k8s-master ~]# cd /opt/myregistry/docker/registry/v2/repositories/
[root@k8s-master repositories]# ls
busybox  mysql  nginx  rhel7  tomcat-app  wordpress  xiaoniao
[root@k8s-master repositories]# ls xiaoniao/_manifests/tags/
v1

2.7 修改或升級代碼的方法

如果開發(fā)要修改首頁文件

image

image

讓代碼回滾的方法

docker build -t 10.0.0.11:5000/xiaoniao:v$BUILD_ID .
docker push 10.0.0.11:5000/xiaoniao:v$BUILD_ID

利用環(huán)境變量

image

image

立即構(gòu)建

image

再次去私有倉庫查看一下

[root@k8s-master repositories]# ls xiaoniao/_manifests/tags/
v1  v4

3. 擴展_使用kubeadm安裝最新版的k8s

適合生產(chǎn)環(huán)境
準(zhǔn)備兩臺新的虛擬機

image

#hosts解析

[root@k8s-node-1 docker_rpm]# cat /etc/hosts
10.0.0.11 k8s-master
10.0.0.12 k8s-node1

3.1 上傳需要的安裝包并解壓安裝

docker安裝包下載鏈接: 提取碼: scvn

#兩臺虛擬機都需要執(zhí)行

tar xf docker_rpm.tar.gz 
ls
cd docker_rpm/
ls
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
yum localinstall *.rpm -y
systemctl start docker
systemctl enable docker

3.2 kubernetes安裝

kubernetes安裝包下載鏈接: 提取碼: 12dy

#兩臺虛擬機都需要執(zhí)行

tar xf k8s_rpm.tar.gz 
ls
cd k8s_rpm/
ls
yum localinstall *.rpm -y
systemctl start kubelet
systemctl enable kubelet

#添加自動補全功能
source <(kubectl completion bash)
echo "source <(kubectl completion bash)" >> ~/.bashrc

3.3 使用kubeadm初始化k8s集群

k8s_1.15版本下載鏈接: 提取碼: 6n93

#兩臺虛擬機都需要執(zhí)行

cat <<EOF >  /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
EOF

sysctl  --system


#關(guān)閉swap，將swap注釋
vim /etc/fstab
swapoff -a

#在master控制節(jié)點執(zhí)行
kubeadm init --kubernetes-version=v1.15.0 --pod-network-cidr=172.18.0.0/16 --service-cidr=10.254.0.0/16

3.4 給k8s集群加入node節(jié)點

#node節(jié)點執(zhí)行

3.5 為k8s集群配置網(wǎng)絡(luò)插件

[root@k8s-master ~]# wget https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml

.

色偷偷精品伊人,欧洲久久精品,欧美综合婷婷骚逼,国产AV主播,国产最新探花在线,九色在线视频一区,伊人大交九欧美,1769亚洲,黄色成人av

云計算day12-Kubernetes_K8s

云計算day12-Kubernetes_K8s

1. k8s 對接glusterfs存儲

2. 與jenkins集成實現(xiàn)ci/cd

2.1 安裝gitlab并上傳代碼

2.2 安裝jenkins,并自動構(gòu)建docker鏡像

2.3 瀏覽器訪問jenkins

2.4 配置jenkins拉取gitlab代碼憑據(jù)

2.5 編寫dockerfile并測試

2.6 在gitlab上上傳代碼

2.7 修改或升級代碼的方法

3. 擴展_使用kubeadm安裝最新版的k8s

3.1 上傳需要的安裝包并解壓安裝

3.2 kubernetes安裝

3.3 使用kubeadm初始化k8s集群

3.4 給k8s集群加入node節(jié)點

3.5 為k8s集群配置網(wǎng)絡(luò)插件

相關(guān)閱讀更多精彩內(nèi)容

友情鏈接更多精彩內(nèi)容

色偷偷精品伊人,欧洲久久精品,欧美综合婷婷骚逼,国产AV主播,国产最新探花在线,九色在线视频一区,伊人大交九 欧美,1769亚洲,黄色成人av

云計算day12-Kubernetes_K8s

1. k8s 對接glusterfs存儲

2. 與jenkins集成實現(xiàn)ci/cd

2.1 安裝gitlab并上傳代碼

2.2 安裝jenkins,并自動構(gòu)建docker鏡像

2.3 瀏覽器訪問jenkins

2.4 配置jenkins拉取gitlab代碼憑據(jù)

2.5 編寫dockerfile并測試

2.6 在gitlab上上傳代碼

2.7 修改或升級代碼的方法

3. 擴展_使用kubeadm安裝最新版的k8s

3.1 上傳需要的安裝包并解壓安裝

3.2 kubernetes安裝

3.3 使用kubeadm初始化k8s集群

3.4 給k8s集群加入node節(jié)點

3.5 為k8s集群配置網(wǎng)絡(luò)插件

相關(guān)閱讀更多精彩內(nèi)容

友情鏈接更多精彩內(nèi)容

色偷偷精品伊人,欧洲久久精品,欧美综合婷婷骚逼,国产AV主播,国产最新探花在线,九色在线视频一区,伊人大交九欧美,1769亚洲,黄色成人av