怎么搭建Harbor私有仓库-创新互联

搭建Harbor私有仓库

此时再开启一台新的虚拟机：CentOS 7-2  192.168.18.134（可以将网卡设置为静态IP）

从事雅安服务器托管，服务器租用，云主机，网络空间，域名注册，CDN，网络代维等服务。

`部署docker引擎`
[root@harbor ~]# yum install yum-utils device-mapper-persistent-data lvm2 -y
[root@harbor ~]# yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
[root@harbor ~]# yum install -y docker-ce
[root@harbor ~]# systemctl stop firewalld.service
[root@harbor ~]# setenforce 0
[root@harbor ~]# systemctl start docker.service
[root@harbor ~]# systemctl enable docker.service

`检查相关进程开启情况`
[root@harbor ~]# ps aux | grep docker
root    4913  0.8  3.6 565612 68884 ?     Ssl  12:23  0:00 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
root    5095  0.0  0.0 112676  984 pts/1   R+  12:23  0:00 grep --color=auto docker

`镜像加速服务`
[root@harbor ~]# tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://w1ogxqvl.mirror.aliyuncs.com"]
}
EOF
[root@harbor ~]# systemctl daemon-reload
[root@harbor ~]# systemctl restart docker

`网络优化部分`
[root@harbor ~]# echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf
[root@harbor ~]# service network restart
Restarting network (via systemctl):             [  确定  ]
[root@harbor ~]# systemctl restart docker
----------

[root@harbor ~]# mkdir /aaa
[root@harbor ~]# mount.cifs //192.168.0.105/rpm /aaa
Password for root@//192.168.0.105/rpm:
[root@harbor ~]# cd /aaa/docker/
[root@harbor docker]# cp docker-compose /usr/local/bin/
[root@harbor docker]# cd /usr/local/bin/
[root@harbor bin]# ls
docker-compose
[root@harbor bin]# docker-compose -v
docker-compose version 1.21.1, build 5a3f1a3
[root@harbor bin]# cd /aaa/docker/
[root@harbor docker]# tar zxvf harbor-offline-installer-v1.2.2.tgz -C /usr/local/
[root@harbor docker]# cd /usr/local/harbor/
[root@harbor harbor]# ls
common           docker-compose.yml   harbor.v1.2.2.tar.gz  NOTICE
docker-compose.clair.yml  harbor_1_1_0_template  install.sh       prepare
docker-compose.notary.yml  harbor.cfg       LICENSE        upgrade

`配置Harbor参数文件`
[root@harbor harbor]# vim harbor.cfg
5 hostname = 192.168.18.134   #5行改为自己本机的IP地址
59 harbor_admin_password = Harbor12345    #此行为默认账号和密码不要忘记，登陆时要用
#修改完成后按Esc退出插入模式，输入:wq保存退出
[root@harbor harbor]# ./install.sh
......此处省略多行
Creating harbor-log ... done
Creating harbor-adminserver ... done
Creating harbor-db      ... done
Creating registry      ... done
Creating harbor-ui      ... done
Creating nginx        ... done
Creating harbor-jobservice  ... done
✔ ----Harbor has been installed and started successfully.----
Now you should be able to visit the admin portal at http://192.168.18.134.
For more details, please visit https://github.com/vmware/harbor .

第一步：登录Harbor私有仓库

在宿主机浏览器地址栏中输入：192.168.18.134，输入默认的账户admin，密码Harbor12345，就可以点击登录

第二步：新建项目并设为私有

在项目界面点击"+项目"添加新项目，输入项目名称，点击创建，然后点击新项目左侧的三个小点，将项目设为私有

---

两个node节点配置连接私有仓库（注意后面的逗号要添加）

`node2节点`
[root@node2 ~]# vim /etc/docker/daemon.json
{
  "registry-mirrors": ["https://w1ogxqvl.mirror.aliyuncs.com"],   #末尾要有,
  "insecure-registries":["192.168.18.134"]              #添加这行
}
[root@node2 ~]# systemctl restart docker

`node2节点`
[root@node1 ~]# vim /etc/docker/daemon.json
{
  "registry-mirrors": ["https://w1ogxqvl.mirror.aliyuncs.com"],   #末尾要有,
  "insecure-registries":["192.168.18.134"]              #添加这行
}
[root@node1 ~]# systemctl restart docker

第三步：节点上登录harbor私有仓库

`node2节点：`
[root@node2 ~]# docker login 192.168.18.134
Username: admin   #输入账户admin
Password:      #输入密码：Harbor12345
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store
Login Succeeded   #此时成功登录

`下载tomcat镜像并打标签推送：``
[root@node2 ~]# docker pull tomcat
......此处省略多行
Status: Downloaded newer image for tomcat:latest
docker.io/library/tomcat:latest
[root@node2 ~]# docker images
REPOSITORY                             TAG         IMAGE ID       CREATED       SIZE
tomcat                               latest        aeea3708743f     3 days ago      529MB
[root@node2 ~]# docker tag tomcat 192.168.18.134/project/tomcat   #打标签的过程
[root@node2 ~]# docker push 192.168.18.134/project/tomcat      #上传镜像

此时在harbor私仓界面就能看到推送上去的tomcat镜像

---

问题：如果我们想使用另一个节点node1去拉取私仓中的tomcar镜像就会出现error报错，提示被拒绝（也就是需要登陆）

[root@node1 ~]# docker pull 192.168.18.134/project/tomcat
Using default tag: latest
Error response from daemon: pull access denied for 192.168.18.134/project/tomcat, repository does not exist or may require 'docker login': denied: requested access to the resource is denied    #提示出错，缺少仓库的凭据

`node1节点下载tomcat镜像`
[root@node1 ~]# docker pull tomcat:8.0.52
[root@node1 ~]# docker images
REPOSITORY                             TAG         IMAGE ID       CREATED       SIZE
tomcat                               8.0.52        b4b762737ed4     19 months ago    356MB

---

第四步：master1上操作

[root@master1 demo]# vim tomcat01.yaml
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: my-tomcat
spec:
  replicas: 2
  template:
   metadata:
    labels:
     app: my-tomcat
   spec:
    containers:
    - name: my-tomcat
     image: docker.io/tomcat:8.0.52
     ports:
     - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  name: my-tomcat
spec:
  type: NodePort
  ports:
  - port: 8080
   targetPort: 8080
  selector:
   app: my-tomcat

`创建`
[root@master1 demo]# kubectl create -f tomcat01.yaml
deployment.extensions/my-tomcat created
service/my-tomcat created
`查看资源`
[root@master1 demo]# kubectl get pods,deploy,svc
NAME                   READY  STATUS   RESTARTS  AGE
pod/my-nginx-d55b94fd-kc2gl       1/1   Running  1      2d
pod/my-nginx-d55b94fd-tkr42       1/1   Running  1      2d
`pod/my-tomcat-57667b9d9-8bkns`     1/1   Running  0      84s
`pod/my-tomcat-57667b9d9-kcddv`     1/1   Running  0      84s
pod/mypod                1/1   Running  1      8h
pod/nginx-6c94d899fd-8pf48        1/1   Running  1      3d
pod/nginx-deployment-5477945587-f5dsm  1/1   Running  1      2d23h
pod/nginx-deployment-5477945587-hmgd2  1/1   Running  1      2d23h
pod/nginx-deployment-5477945587-pl2hn  1/1   Running  1      2d23h

NAME                   DESIRED  CURRENT  UP-TO-DATE  AVAILABLE  AGE
deployment.extensions/my-nginx      2     2     2       2      2d
`deployment.extensions/my-tomcat`     2     2     2       2      84s
deployment.extensions/nginx        1     1     1       1      8d
deployment.extensions/nginx-deployment  3     3     3       3      2d23h

NAME            TYPE     CLUSTER-IP  EXTERNAL-IP  PORT(S)      AGE
service/kubernetes     ClusterIP  10.0.0.1   <none>     443/TCP      10d
service/my-nginx-service  NodePort   10.0.0.210  <none>     80:40377/TCP   2d
`service/my-tomcat      NodePort   10.0.0.86   <none>     8080:41860/TCP  84s`
service/nginx-service    NodePort   10.0.0.242  <none>     80:40422/TCP   3d10h
#内部端口8080，对外端口41860

[root@master1 demo]# kubectl get ep
NAME        ENDPOINTS                 AGE
kubernetes     192.168.18.128:6443,192.168.18.132:6443  10d
my-nginx-service  172.17.32.4:80,172.17.40.3:80       2d
`my-tomcat      172.17.32.6:8080,172.17.40.6:8080     5m29s`
nginx-service    172.17.40.5:80               3d10h
#此时my-tomcat被分配到了后面两个节点上去

验证：在宿主机浏览器中输入192.168.18.148:41860和192.168.18.145:41860这两个节点地址加对外暴露端口号，查看是否都可以访问tomcat的主页

`验证可以成功访问之后我们先把资源删除，后面使用私有仓库中的镜像进行创建`
[root@master1 demo]# kubectl delete -f tomcat01.yaml
deployment.extensions "my-tomcat" deleted
service "my-tomcat" deleted

---

问题处理：

`如果遇到处于Terminating状态的无法删除的资源`
[root@localhost demo]# kubectl get pods
NAME                READY  STATUS     RESTARTS  AGE
my-tomcat-57667b9d9-8bkns     1/1   `Terminating`  0      84s
my-tomcat-57667b9d9-kcddv     1/1   `Terminating`  0      84s

#这种情况下可以使用强制删除命令
`格式：kubectl delete pod [pod name] --force --grace-period=0 -n [namespace]`

[root@localhost demo]# kubectl delete pod my-tomcat-57667b9d9-8bkns --force --grace-period=0 -n default
warning: Immediate deletion does not wait for confirmation that the running resource has been terminated. The resource may continue to run on the cluster indefinitely.
pod "my-tomcat-57667b9d9-8bkns" force deleted

[root@localhost demo]# kubectl delete pod my-tomcat-57667b9d9-kcddv --force --grace-period=0 -n default
warning: Immediate deletion does not wait for confirmation that the running resource has been terminated. The resource may continue to run on the cluster indefinitely.
pod "my-tomcat-57667b9d9-kcddv" force deleted

[root@localhost demo]# kubectl get pods
NAME                READY  STATUS   RESTARTS  AGE
pod/mypod                1/1   Running  1      8h
pod/nginx-6c94d899fd-8pf48        1/1   Running  1      3d
pod/nginx-deployment-5477945587-f5dsm  1/1   Running  1      2d23h
pod/nginx-deployment-5477945587-hmgd2  1/1   Running  1      2d23h
pod/nginx-deployment-5477945587-pl2hn  1/1   Running  1      2d23h

---

第五步：node1上操作（之前登陆过Harbor仓库的节点）

我们需要先删除我们之前上传到私有仓库的额project/tomcat镜像

node2中之前打标签的镜像也需要删除：

[root@node2 ~]# docker images
REPOSITORY                             TAG         IMAGE ID       CREATED       SIZE
192.168.18.134/project/tomcat                   latest        aeea3708743f     3 days ago      529MB

[root@node2 ~]# docker rmi 192.168.18.134/project/tomcat
Untagged: 192.168.18.134/project/tomcat:latest
Untagged: 192.168.18.134/project/tomcat@sha256:8ffa1b72bf611ac305523ed5bd6329afd051c7211fbe5f0b5c46ea5fb1adba46

---

`镜像打标签`
[root@node2 ~]# docker tag tomcat:8.0.52 192.168.18.134/project/tomcat
`上传镜像到Harbor`
[root@node2 ~]# docker push 192.168.18.134/project/tomcat
#此时我们就可以在私有仓库中看到新上传的镜像了

`查看登陆凭据`
[root@node2 ~]# cat .docker/config.json
{
     "auths": {
         "192.168.18.134": {   #访问的IP地址
             "auth": "YWRtaW46SGFyYm9yMTIzNDU="    #验证
         }
     },
     "HttpHeaders": {         #头部信息
         "User-Agent": "Docker-Client/19.03.5 (linux)"
     }
`生成非换行形式的验证码`
[root@node2 ~]# cat .docker/config.json | base64 -w 0
ewoJImF1dGhzIjogewoJCSIxOTIuMTY4LjE4LjEzNCI6IHsKCQkJImF1dGgiOiAiWVdSdGFXNDZTR0Z5WW05eU1USXpORFU9IgoJCX0KCX0sCgkiSHR0cEhlYWRlcnMiOiB7CgkJIlVzZXItQWdlbnQiOiAiRG9ja2VyLUNsaWVudC8xOS4wMy41IChsaW51eCkiCgl9Cn0= 

特别注意：此时下载次数为0，一会我们使用私有仓库中的镜像进行资源的创建，那么拉取的过程必定会下载镜像，应当数值会有变化

---

第六步：master1中创建安全组件的yaml文件

[root@master1 demo]# vim registry-pull-secret.yaml
apiVersion: v1
kind: Secret
metadata:
  name: registry-pull-secret
data:
  .dockerconfigjson: ewoJImF1dGhzIjogewoJCSIxOTIuMTY4LjE4LjEzNCI6IHsKCQkJImF1dGgiOiAiWVdSdGFXNDZTR0Z5WW05eU1USXpORFU9IgoJCX0KCX0sCgkiSHR0cEhlYWRlcnMiOiB7CgkJIlVzZXItQWdlbnQiOiAiRG9ja2VyLUNsaWVudC8xOS4wMy41IChsaW51eCkiCgl9Cn0=
type: kubernetes.io/dockerconfigjson

`创建secret资源`
[root@master1 demo]# kubectl create -f registry-pull-secret.yaml
secret/registry-pull-secret created
`查看secret资源`
[root@master1 demo]# kubectl get secret
NAME          TYPE                  DATA  AGE
default-token-pbr9p   kubernetes.io/service-account-token  3    10d
`registry-pull-secret  kubernetes.io/dockerconfigjson     1    25s`

[root@master1 demo]# vim tomcat01.yaml
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: my-tomcat
spec:
  replicas: 2
  template:
   metadata:
    labels:
     app: my-tomcat
   spec:
    imagePullSecrets:       #证书拉取的凭据
    - name: registry-pull-secret  #名称
    containers:
    - name: my-tomcat
     image: 192.168.18.134/project/tomcat   #镜像的下载位置做此修改
     ports:
     - containerPort: 80
......以下省略多行
#修改完成后按Esc退出插入模式，输入:wq保存退出
`创建tomcat01资源`
[root@master1 demo]# kubectl create -f tomcat01.yaml
deployment.extensions/my-tomcat created
service/my-tomcat created

[root@master1 demo]# kubectl get pods,deploy,svc,ep
NAME                   READY  STATUS   RESTARTS  AGE
pod/my-nginx-d55b94fd-kc2gl       1/1   Running  1      2d1h
pod/my-nginx-d55b94fd-tkr42       1/1   Running  1      2d1h
`pod/my-tomcat-7c5b6db486-bzjlv`     1/1   Running  0      56s
`pod/my-tomcat-7c5b6db486-kw8m4`     1/1   Running  0      56s
pod/mypod                1/1   Running  1      9h
pod/nginx-6c94d899fd-8pf48        1/1   Running  1      3d1h
pod/nginx-deployment-5477945587-f5dsm  1/1   Running  1      3d
pod/nginx-deployment-5477945587-hmgd2  1/1   Running  1      3d
pod/nginx-deployment-5477945587-pl2hn  1/1   Running  1      3d

NAME                   DESIRED  CURRENT  UP-TO-DATE  AVAILABLE  AGE
deployment.extensions/my-nginx      2     2     2       2      2d1h
`deployment.extensions/my-tomcat`     2     2     2       2      56s
deployment.extensions/nginx        1     1     1       1      8d
deployment.extensions/nginx-deployment  3     3     3       3      3d

NAME            TYPE     CLUSTER-IP  EXTERNAL-IP  PORT(S)      AGE
service/kubernetes     ClusterIP  10.0.0.1   <none>     443/TCP      10d
service/my-nginx-service  NodePort   10.0.0.210  <none>     80:40377/TCP   2d1h
`service/my-tomcat`     NodePort   10.0.0.235  <none>     8080:43654/TCP  56s
service/nginx-service    NodePort   10.0.0.242  <none>     80:40422/TCP   3d11h
#对外端口为43654
NAME             ENDPOINTS                 AGE
endpoints/kubernetes     192.168.18.128:6443,192.168.18.132:6443  10d
endpoints/my-nginx-service  172.17.32.4:80,172.17.40.3:80       2d1h
`endpoints/my-tomcat`     172.17.32.6:8080,172.17.40.6:8080     56s
endpoints/nginx-service    172.17.40.5:80               3d11h

接下来我们需要验证的就是资源加载没有任何问题的情况下，镜像资源是否来自我们的Harbor私有仓库呢？

这里就需要关注我们私有仓库中镜像的下载数了

结果：这时显示下载数由之前的0变为2，这就说明我们创建的两个资源镜像是从私有仓库中下载的！

我们再使用宿主机的浏览器验证192.168.18.148:43654和192.168.18.145:43654这两个节点地址还是可以访问tomcat的主页

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