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@abelsu7 2019-05-19T12:10:51.000000Z 字数 15784 阅读 4935

IBM LinuxONE 实验说明

IBM LinuxONE RHEL 云计算


目录

环境准备:创建并登录 LinuxONE 虚拟主机实例

1. 创建 Virtual Server 实例

登录后,进入Manage Instances,点击Create

notes-2019517-1558014033716

选择General purpose VM,输入实例名,并选择RHEL7.6镜像:

notes-2019517-1558014519402

Select a SSH Key Pair下,点击Create,并在弹出窗口中输入密钥名,创建密钥:

notes-2019517-1558014785916

notes-2019517-1558014871434

之后会保存一个名为myKey.pem的文件:

notes-2019517-pem-file

最后选中刚才创建的 SSH Key,点击Create创建实例。等待一段时间后,即可看到实例处于ACTIVE状态。记录下实例的 IP 地址,并确认用户名是否为linux1

notes-2019517-create-server-status

2. 使用 SSH 连接至实例

如果你用的是 Mac 或 Linux,可以直接使用该密钥文件登录:

  1. ssh -i /path/to/key/keyname.pem linux1@serveripaddress

如果是 Windows,可以使用 PuTTY,步骤如下:

参见 Setting up PUTTY on Windows to use ssh private key

notes-2019517-1558016334780

notes-2019517-20180930125059584

notes-2019517-20180930125254449

为了方便退出 PuTTY 后再次登录,在Saved Sessions中输入会话名,然后点Save保存:

notes-2019517-1558058011239

最后双击LinuxOne会话登录。当提示输入用户名时,输入linux1即可登录:

notes-2019517-1558058105086

PuTTY 快捷键复制Ctrl+Insert粘贴Shift+Insert

实验一:Cloud Native Workloads

Github RepoCloud-Native-Workloads-on-LinuxONE

Scenario One

1. 安装 Docker

  1. [linux1@myserver ~]$ sudo su # 切换至 root
  2. [root@myserver linux1]$ cd ~
  3. [root@myserver ~]$ wget ftp://ftp.unicamp.br/pub/linuxpatch/s390x/redhat/rhel7.3/docker-17.05.0-ce-rhel7.3-20170523.tar.gz
  4. # 解压 Docker 归档包
  5. [root@myserver ~]$ tar -xzvf docker-17.05.0-ce-rhel7.3-20170523.tar.gz
  6. [root@myserver ~]$ cp docker-17.05.0-ce-rhel7.3-20170523/docker* /usr/bin/

注意:这里直接cp/usr/bin就好,因为/usr/local/bin不在PATH环境变量里

之后启动docker daemon

  1. [root@myserver ~]$ docker daemon -g /local/docker/lib &

输出类似如下内容:

  1. [root@myserver ~]$ docker daemon -g /local/docker/lib &
  2. [1] 21376
  3. [root@myserver ~]$ Command "daemon" is deprecated, and will be removed in Docker 17.12. Please run `dockerd` directly.
  4. WARN[0000] the "-g / --graph" flag is deprecated. Please use "--data-root" instead
  5. WARN[0000] could not change group /var/run/docker.sock to docker: group docker not found
  6. INFO[0000] libcontainerd: new containerd process, pid: 21387
  7. WARN[0000] containerd: low RLIMIT_NOFILE changing to max current=1024 max=4096
  8. INFO[0001] Graph migration to content-addressability took 0.00 seconds
  9. INFO[0001] Loading containers: start.
  10. INFO[0001] Default bridge (docker0) is assigned with an IP address 172.17.0.0/16. Daemon option --bip can be used to set a preferred IP address
  11. INFO[0001] Loading containers: done.
  12. INFO[0001] Daemon has completed initialization
  13. INFO[0001] Docker daemon commit=89658be graphdriver=overlay version=17.05.0-ce
  14. INFO[0001] API listen on /var/run/docker.sock

启动完成后,检查一下后台有无docker进程运行

  1. [root@myserver ~]$ ps aux | grep docker
  2. root 21505 0.1 1.1 508456 43508 ? Sl 10:55 0:51 dockerd -g /local/docker/lib root 21515 0.0 0.3 213372 12868 ? Ssl 10:55 0:26 docker-containerd -l unix:///var/run/docker/libcontainerd/docker-containerd.sock --metrics-interval=0 --start-timeout 2m --state-dir /var/run/docker/libcontainerd/containerd --shim docker-containerd-shim --runtime docker-runc
  3. [root@myserver ~]$ docker version
  4. Client:
  5. Version: 17.05.0-ce
  6. API version: 1.29
  7. Go version: go1.8.1
  8. Git commit: 89658be
  9. Built: Tue May 23 20:15:42 2017
  10. OS/Arch: linux/s390x
  11. Server:
  12. Version: 17.05.0-ce
  13. API version: 1.29 (minimum version 1.12)
  14. Go version: go1.8.1
  15. Git commit: 89658be
  16. Built: Tue May 23 20:15:42 2017
  17. OS/Arch: linux/s390x
  18. Experimental: false

2. 安装 docker-compose

使用yum安装python-setuptools

  1. [root@myserver ~]$ yum info python-setuptools
  2. Name : python-setuptools
  3. Arch : noarch
  4. Version : 0.9.8
  5. Release : 7.el7
  6. Size : 1.9 M
  7. Repo : installed
  8. From repo : rhel7-base
  9. Summary : Easily build and distribute Python packages
  10. URL : http://pypi.python.org/pypi/setuptools
  11. License : Python or ZPLv2.0
  12. Description : Setuptools is a collection of enhancements to the Python
  13. : distutils that allow you to more easily build and distribute
  14. : Python packages, especially ones that have dependencies on
  15. : other packages.
  16. :
  17. : This package contains the runtime components of setuptools,
  18. : necessary to execute the software that requires
  19. : pkg_resources.py.
  20. :
  21. : This package contains the distribute fork of setuptools.
  22. [root@myserver ~]$ yum install -y python-setuptools

之后使用easy_install安装pip

网速过慢的话先禁用掉 IPv6:echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6

  1. [root@myserver ~]$ easy_install pip

升级backports.ssl_match_hostname,由于系统自带安装了backports.ssl-match-hostname 3.5.0.1,pip 无法将其卸载,这里会提示出错:

  1. [root@myserver ~]$ pip install backports.ssl_match_hostname --upgrade
  2. DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7.
  3. Collecting backports.ssl_match_hostname
  4. Downloading https://files.pythonhosted.org/packages/ff/2b/8265224812912bc5b7a607c44bf7b027554e1b9775e9ee0de8032e3de4b2/backports.ssl_match_hostname-3.7.0.1.tar.gz
  5. Installing collected packages: backports.ssl-match-hostname
  6. Found existing installation: backports.ssl-match-hostname 3.5.0.1
  7. ERROR: Cannot uninstall 'backports.ssl-match-hostname'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.

添加--ignore-installed参数即可解决:

  1. [root@myserver ~]$ pip install backports.ssl_match_hostname --upgrade --ignore-installed

最后,使用pip安装docker-compose

  1. [root@myserver ~]$ yum install python-devel libffi-devel # 先安装依赖,不然会报错
  2. [root@myserver ~]$ pip install docker-compose==1.13.0

注意:这里若不指定版本,会报ImportError: No module named glob的错误,pip install glob2也无法解决。。暂时没找到解决办法

验证一下docker-compose是否已经安装:

  1. [root@myserver ~]$ docker-compose version
  2. docker-compose version 1.13.0, build 1719ceb
  3. docker-py version: 2.7.0
  4. CPython version: 2.7.5
  5. OpenSSL version: OpenSSL 1.0.2k-fips 26 Jan 2017

3. 安装并运行 WebSphere Liberty

先手动拉取websphere-liberty镜像到本地:

  1. [root@myserver ~]$ docker image pull s390x/websphere-liberty:webProfile7
  2. webProfile7: Pulling from s390x/websphere-liberty
  3. a39cfce7a60d: Pull complete
  4. 4e699efbddb6: Pull complete
  5. 9a3ffeac4412: Pull complete
  6. 52c5a080fd6d: Pull complete
  7. 6f0d27faa63a: Pull complete
  8. a3d346a6c218: Pull complete
  9. e9129f75e0bc: Pull complete
  10. 905ebfd4a924: Pull complete
  11. bd9b8600bfe7: Pull complete
  12. 5746a3a16c6e: Pull complete
  13. 621479e04496: Pull complete
  14. 26db9a45b5d9: Pull complete
  15. 32c81cd7fa4a: Pull complete
  16. 705855d9301f: Pull complete
  17. 0bd5ae8e4470: Pull complete
  18. Digest: sha256:87e41c209fa1c8ab33fc0cd0e126eec1493a50c49fe557f398707b4f4755d07a
  19. Status: Downloaded newer image for s390x/websphere-liberty:webProfile7
  20. [root@myserver ~]$ docker images
  21. REPOSITORY TAG IMAGE ID CREATED SIZE
  22. s390x/websphere-liberty webProfile7 def868b21def 27 hours ago 473MB

后台运行容器,并指定端口映射规则

  1. [root@myserver ~]$ docker run -d -p 80:9080 -p 443:9443 s390x/websphere-liberty:webProfile7
  2. 3c9d3b02de11bc5b912a8df1b3987e60bf797ea02cbbbc4457a6e09307f3c95e
  3. [root@myserver ~]$ docker ps
  4. CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
  5. 3c9d3b02de11 s390x/websphere-liberty:webProfile7 "/opt/ibm/helpers/..." 21 seconds ago Up 19 seconds 0.0.0.0:80->9080/tcp, 0.0.0.0:443->9443/tcp mystifying_golick

浏览器访问http://[LinuxOne Host IP],即可看到WebSphere Liberty的界面:

notes-2019517-websphereliberty

4. 安装并运行 WordPress

参见 Run and install WordPress

首先,RHEL 7.6已经自带安装了VIM 7.4,启动命令是vi,习惯用vim命令的同学可以先设置一下别名:

  1. [root@myserver ~]$ alias vim='vi'

不过该别名仅在当前会话中生效。可以将上面这句加到~/.bashrc中,再使用source命令使其生效:

  1. [root@myserver ~]$ source ~/.bashrc

不熟悉 Vim 的同学可以看 这里 简单参考一下

创建并编辑docker-compose.yml

  1. [root@myserver ~]$ vim docker-compose.yml

i进入编辑模式(所有 Vim 命令注意区分大小写),输入以下内容:

  1. version: '2'
  2. services:
  3. wordpress:
  4. image: s390x/wordpress
  5. ports:
  6. - 8080:80 # 将本地 8080 端口映射到容器的 80 端口
  7. environment:
  8. WORDPRESS_DB_PASSWORD: example
  9. mysql:
  10. image: brunswickheads/mariadb-5.5-s390x
  11. environment:
  12. MYSQL_ROOT_PASSWORD: example

之后按Esc退出编辑模式,输入:wq保存并退出。

检查一下docker-compose.yml的内容:

  1. [root@myserver ~]$ cat docker-compose.yml
  2. version: '2'
  3. services:
  4. wordpress:
  5. image: s390x/wordpress
  6. ports:
  7. - 8080:80 # 将本地 8080 端口映射到容器的 80 端口
  8. environment:
  9. WORDPRESS_DB_PASSWORD: example
  10. mysql:
  11. image: brunswickheads/mariadb-5.5-s390x
  12. environment:
  13. MYSQL_ROOT_PASSWORD: example

创建wordpress目录方便整理:

  1. [root@myserver ~]$ mkdir wordpress
  2. [root@myserver ~]$ mv docker-compose.yml wordpress/
  3. [root@myserver ~]$ cd wordpress/
  4. [root@myserver wordpress]$ ls
  5. docker-compose.yml

最后,根据docker-compose.yml中定义的服务启动容器:

  1. [root@myserver wordpress]$ docker-compose up -d

创建完成后,查看相关容器的状态:

  1. [root@myserver wordpress]$ docker-compose ps
  2. Name Command State Ports
  3. -------------------------------------------------------------------------------------
  4. wordpress_mysql_1 /docker-entrypoint.sh mysq ... Up 3306/tcp
  5. wordpress_wordpress_1 docker-entrypoint.sh apach ... Up 0.0.0.0:8080->80/tcp

浏览器访问http://[Your LinuxONE IP Address]:8080,即可看到 WordPress 的页面:

Scenario Two

1. MEAN Stack 环境准备

MEANStack :

实验是参考 Creating a Single Page Todo App with Node and Angular | Scotch.io 这篇文章作为示例,简单起见代码主要目录如下:

  1. -app (Express routes and MongoDB connections)
  2. -config (MongoDB and other config parameters)
  3. -public (Frontend : Angular.js code, index page etc)

实验的 Github Repo 中已经准备了这部分代码,可以直接拉取到本地使用:

  1. [root@myserver ~]$ git clone https://github.com/IBM/Cloud-Native-Workloads-on-LinuxONE
  2. [root@myserver ~]$ cp -r Cloud-Native-Workloads-on-LinuxONE/files/mean-docker ./
  3. [root@myserver ~]$ yum install -y tree
  4. [root@myserver ~]$ tree mean-docker
  5. mean-docker
  6. ├── docker-compose.yml
  7. ├── express-server
  8.    ├── app
  9.       ├── models
  10.          └── todo.js
  11.       └── routes.js
  12.    ├── config
  13.       └── database.js
  14.    ├── Dockerfile
  15.    ├── license
  16.    ├── package.json
  17.    ├── public
  18.       ├── index.html
  19.       └── js
  20.       ├── controllers
  21.          └── main.js
  22.       ├── core.js
  23.       └── services
  24.       └── todos.js
  25.    ├── README.md
  26.    └── server.js
  27. └── README.md
  28. 8 directories, 14 files

首先修改 Angular.js 的 CDN 为国内的源:

  1. [root@myserver ~]$ ll
  2. total 28K
  3. -rw-------. 1 root root 1.4K Aug 23 2016 anaconda-ks.cfg
  4. drwxr-xr-x 6 root root 4.0K May 16 23:28 Cloud-Native-Workloads-on-LinuxONE
  5. drwxr-xr-x 2 root root 4.0K May 23 2017 docker-17.05.0-ce-rhel7.3-20170523
  6. drwxr-xr-x 11 linadm users 4.0K May 16 23:22 htop-2.2.0
  7. drwxr-xr-x 5 root root 4.0K May 17 04:47 ICp-banking-microservices
  8. drwxr-xr-x 3 root root 4.0K May 18 23:22 mean-docker
  9. drwxr-xr-x 2 root root 4.0K May 16 23:10 wordpress
  10. [root@myserver ~]$ vi mean-docker/express-server/public/index.html

然后修改高亮的部分为以下内容:

notes-2019519-test

  1. //cdn.bootcss.com/angular.js/1.2.16/angular.min.js

注意:如果之前使用docker-compose up启动过应用,则需要先重新构建镜像,再启动应用,以下是说明:

  1. [root@myserver ~]$ cd mean-docker
  2. [root@myserver mean-docker]$ docker-compose down # 停止正在运行的容器
  3. [root@myserver mean-docker]$ docker-compose build # 先重新构建镜像
  4. [root@myserver mean-docker]$ docker-compose up # 再基于新镜像重新启动容器

看到两个绿色的done,就可以访问:8081端口查看应用了。

重新构建镜像说明结束

查看docker-compose.yml的内容:

  1. [root@myserver ~]$ cd mean-docker/
  2. [root@myserver mean-docker]$ ls
  3. docker-compose.yml express-server README.md
  4. [root@myserver mean-docker]$ vim docker-compose.yml

docker-compose.yml内容如下:

  1. version: '2' # specify docker-compose version
  2. # Define the services/containers to be run
  3. services:
  4. express: # name of the second service
  5. build: express-server # specify the directory of the Dockerfile
  6. ports:
  7. - "8080:8080" # specify ports forwarding
  8. links:
  9. - database
  10. database: # name of the third service
  11. image: mongo # specify image to build container from
  12. ports:
  13. - "27017:27017" # specify port forewarding

查看express-server/Dockerfile

  1. [root@myserver mean-docker]$ vim express-server/Dockerfile

Dockerfile内容如下:

  1. FROM s390x/ibmnode:latest
  2. # Create a directory where our app will be placed
  3. RUN mkdir -p /usr/src
  4. # Change directory so that our commands run inside this new dir
  5. WORKDIR /usr/src
  6. # Copy dependency definitions
  7. COPY package.json /usr/src
  8. # Install dependecies
  9. RUN npm install
  10. # Get all the code needed to run the app
  11. COPY . /usr/src
  12. # Expose the port the app runs in
  13. EXPOSE 8080
  14. # Serve the app
  15. CMD ["npm", "start"]

注意:需要一些 Docker 基础知识,可以参考 Docker 实践简明指南

因为之前本地的8080端口被 WordPress 占用了,所以这里我们使用8081端口。

docker-compose.yml修改如下:

  1. ...
  2. ...
  3. ports:
  4. - "8081:8081" # 本地 8081 端口映射到 express 容器的 8081 端口
  5. ...
  6. ...

express-server/Dockerfile修改如下:

  1. # Expose the port the app runs in
  2. EXPOSE 8081
  3. ...
  4. ...
  5. # Express listening port
  6. ENV PORT 8081

2. 启动 MEAN Stack

mean-docker目录下运行docker-compose up

  1. [root@myserver mean-docker]$ docker-compose up
  2. Starting meandocker_database_1 ...
  3. Starting meandocker_database_1 ... done
  4. Starting meandocker_express_1 ...
  5. Starting meandocker_express_1 ... done
  6. Attaching to meandocker_database_1, meandocker_express_1
  7. database_1 | note: noprealloc may hurt performance in many applications
  8. express_1 |
  9. express_1 | > node-todo@0.0.1 start /usr/src
  10. express_1 | > node server.js
  11. express_1 |
  12. express_1 | App listening on port 8081

使用docker-compose -d即可在后台运行express-server

浏览器访问http://[ip of machine]:8081,即可看到你的 TODO-List App:

使用docker-compose ps命令查看启动的容器:

  1. [root@myserver mean-docker]$ docker-compose ps
  2. Name Command State Ports
  3. ----------------------------------------------------------------------------------------------------
  4. meandocker_database_1 /bin/sh -c mongod --dbpath ... Up 0.0.0.0:27017->27017/tcp, 28017/tcp
  5. meandocker_express_1 npm start Up 0.0.0.0:8081->8081/tcp

实验二:Deploy a financial microservice

Github Repo:ICp-banking-microservices

Architecture

Step 1 - Discover and locally run the banking application

1. 获取项目代码

首先登录 Github,Fork 该实验的 Github Repo - ICp-banking-microservices 到自己账号下:

notes-2019517-1558076250298

因为之后要使用 Git 的命令行工具,推荐下载 Cmder,选择Download Full,其中包含了Git for Windows

notes-2019517-1558076527336

之后运行Cmder.exe,验证 Git 是否可用:

notes-2019517-1558076618072

将你 Fork 的项目git clone至本地:

  1. git clone https://github.com/YOUR_USERNAME/ICp-banking-microservices

notes-2019517-1558076943018

注意:因为我已经在 Github 上配好了SSH Key,所以选择的是Clone with SSH。未配置SSH Key使用Clone with HTTPS的链接就可以,只是在每次git push的时候要输入用户名和密码

最后在 IDE 中打开源码目录banking-application(推荐 VS Code):

notes-2019517-1558077491848

2. 申请 banking API

首先注册一个 IBM ID

之后前往 API Developer Portal,点击Create an account创建新用户。注意:要使用之前注册 IBM ID 的邮箱进行注册

注册完毕后登录,在Apps选项卡下点击Create new App创建新应用

Title输入My Banking Application即可,之后点击Submit提交:

注意:需要记录下Client IDClient Secret,之后会用到。

之后需要申请banking API。在API Products选项卡下找到Banking Product

点击Subscribe申请Default Plan

选择刚才创建的应用My Banking Application

最后在banking-application/public/js/bankingAPI.js中填入你的Client IDClient Secret

notes-2019517-1558080398684

3. 启动 banking application

需要安装 Node.js,选择10.15.3 LTS下载安装包并安装,之后验证 Node.js 以及 npm 版本:

notes-2019517-1558080677560

进入ICp-banking-microservices/banking-application目录,执行npm install

notes-2019517-1558080874224

也可以直接在 VS Code 的内建终端中操作

node app.js启动应用:

notes-2019517-1558081152865

浏览器访问http://localhost:3000,即可访问应用:

随便选择一个customer ID测试,若有JSON格式的数据返回,则说明 API 可用:

4. 推送至 Github 远程仓库

notes-2019517-1558082087691

  1. git add public/js/bankingAPI.js
  2. git commit -m "Update of bankingAPI.js"
  3. git push origin master

注意:实际上不应该把Client IDClient Secret这种密钥类型的数据推到 Github 上,这里为了方便实验暂时这么做,以后切勿模仿。。

Step 2 - Build and deploy a Docker image to IBM Cloud private

1. 构建 Docker 镜像

先登录你的 LinuxONE 主机实例,之后将你 Fork 后又更新的代码拉取到本地:

  1. [root@myserver ~]$ git clone https://github.com/abelsu7/ICp-banking-microservices.git # 改成你自己的账号
  2. Cloning into 'ICp-banking-microservices'...
  3. remote: Enumerating objects: 42, done.
  4. remote: Counting objects: 100% (42/42), done.
  5. remote: Compressing objects: 100% (42/42), done.
  6. remote: Total 771 (delta 1), reused 36 (delta 0), pack-reused 729
  7. Receiving objects: 100% (771/771), 5.56 MiB | 0 bytes/s, done.
  8. Resolving deltas: 100% (433/433), done.

之后需要用到banking-application目录下的Dockerfile

  1. FROM ibmcom/ibmnode
  2. WORKDIR "/app"
  3. # Install app dependencies
  4. COPY package.json /app/
  5. RUN cd /app; npm install; npm prune --production
  6. # Bundle app source
  7. COPY . /app
  8. ENV NODE_ENV production
  9. ENV PORT 3000
  10. EXPOSE 3000
  11. CMD ["npm", "start"]

具体含义略。之后使用docker build命令构建镜像

  1. [root@myserver ICp-banking-microservices]$ cd banking-application/
  2. [root@myserver banking-application]$ ls
  3. app.js Dockerfile package.json public
  4. [root@myserver banking-application]$ docker build -t "abelsu7-banking-image:latest" ./ # 改成你的用户名
  5. ...
  6. ...
  7. Successfully built b5b7495e8495
  8. Successfully tagged abelsu7-banking-image:latest
  9. [root@myserver banking-application]$ docker images
  10. REPOSITORY TAG IMAGE ID CREATED SIZE
  11. abelsu7-banking-image latest b5b7495e8495 About a minute ago 462MB
  12. meandocker_express latest f3cf2438cdb9 5 hours ago 470MB
  13. s390x/websphere-liberty webProfile7 def868b21def 33 hours ago 473MB
  14. ibmcom/ibmnode latest 9a87e4f94692 12 months ago 457MB
  15. s390x/ibmnode latest 9a87e4f94692 12 months ago 457MB
  16. s390x/wordpress latest d3ab4dbbe59f 17 months ago 388MB
  17. sinenomine/mongodb-s390x latest c23b42b446b7 20 months ago 658MB
  18. brunswickheads/mariadb-5.5-s390x latest 1cc1be288a3e 3 years ago 311MB

运行容器:

  1. [root@myserver banking-application]$ docker run -p 3000:3000 abelsu7-banking-image
  2. > banking-application@1.0.0 start /app
  3. > node app.js
  4. To view your app, open this link in your browser: http://localhost:3000

浏览器访问http://[LinuxOne Host IP]:3000,即可访问应用。

2. Deploy the Docker image to IBM Cloud private

利用 Jenkins 实现 CI/CD 与 DevOps,略

Step 3 - Instantiate the banking microservice from the IBM Cloud private catalog

1. Discover the Helm chart

点击 这里 注册申请 ICP,之后从 这里 登录 IBM Cloud Private:

点击右上角的 Catalog,稍等片刻(页面加载可能比较慢),找到openmplbank并点击进入:

notes-2019519-icp-banking-microservices

2. 配置 Helm Chart

点击Configure

notes-2019519-icp-banking-microservices-config

输入Release nameTarget Namespace

notes-2019519-icp-install

镜像已经指定好了,最后点击Install,完成配置,ICP 会自动部署:

notes-2019519-icp-view-helm-release

点击View Helm Release,查看已部署的服务。

3. 查看应用

首先确定Deployment标签下的AVAILABLE数量为1,表示有可用的Pod,之后点击Launch,浏览器会自动跳转到分配的端口:

notes-2019519-run-app-icp

之后就和此前的实验一样了,只不过你的应用是部署在 ICP 上,由 Kubernetes 自动维护可用的 Pod 数量:

notes-2019519-icp-banking-app-test

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