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使用kompose把docker-compose文件转换成k8s资源

 2 years ago
source link: https://www.bboy.app/2022/05/09/%E4%BD%BF%E7%94%A8kompose%E6%8A%8Adocker-compose%E6%96%87%E4%BB%B6%E8%BD%AC%E6%8D%A2%E6%88%90k8s%E8%B5%84%E6%BA%90/
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使用kompose把docker-compose文件转换成k8s资源

发表于 2022-05-09

更新于 2022-05-10

分类于

kubernetes

20220506-1.png

Have a nice try

安装很简单，直接一个二进制下载过来就好了

wget https://github.com/kubernetes/kompose/releases/download/v1.26.1/kompose-linux-amd64.tar.gz

tar -zxvf kompose-linux-amd64.tar.gz

mv kompose-linux-amd64 /bin/kompose

首先准备一个docker-compose文件

version: "3"
services:
  prometheus:
    image: "prom/prometheus:v2.35.0"
    volumes:
      - "./prometheus-conf/prometheus.yml:/etc/prometheus/prometheus.yml"
      - "./data:/prometheus"
      - "/etc/localtime:/etc/localtime"
      - "./prometheus-conf/file_sd:/file_sd"
    command:
      - "--config.file=/etc/prometheus/prometheus.yml"
      - "--web.enable-lifecycle"
      - "--web.enable-admin-api"
      - "--web.enable-remote-write-receiver"
      - "--storage.tsdb.retention.time=7d"
      - "--storage.tsdb.max-block-duration=2h"
      - "--storage.tsdb.min-block-duration=2h"
    ports: 
      - "9000:9000"
      - "9090:9090"
    restart: "always"
    container_name: "prometheus"

之后直接执行

kompose convert

如果你的文件不是docker-compose.yaml这个名字的，你可以使用-f参数取指定文件名字

这样生成出来的资源文件默认会带上

annotations:
  kompose.cmd: kompose convert
  kompose.version: 1.26.1 (a9d05d509)

这两个annotations

如果你不想要的话可以这么做

./kompose-linux-amd64 convert -f docker-compose.yaml --with-kompose-annotation=false

默认kompose转换出来的是deployment，当然你想转成daemonset，你可以使用下面参数

--controller=daemonSet

如果你不想生成文件，可以使用下面参数直接输出到屏幕中

--stdout

转换出来的质量还可以，可以帮助yaml工程师少写几个参数了

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Have Fun


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