2019 - PVE 社群 - Rails 串接 Proxmox VE API 自動化教學用虛擬機分配

再接案公司用 Proxmox VE 建制簡易的練習 VM 環境，讓同事可以在需要的時候申請機器來練習使用。

Transcript

1. Rails 串接 Proxmox VE
   API 自動化教學用虛擬機分配
   Photo by Franck V. on Unsplash
   

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2. WEB DEVELOPER
   GAME DEVELOPER
   ૵
   ࣌
   ݭ໵
   @elct9620
   

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4. 為什麼 使用 Proxmox VE?
   

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5. Photo by Hal Gatewood on Unsplash
   接案公司
   

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6. Photo by Jordan Harrison on Unsplash
   硬體資源不足
   

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7. Photo by NESA by Makers on Unsplash
   技術交接容易
   

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8. 為什麼 要做虛擬機練習系統？
   

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9. Photo by Christina @ wocintechchat.com on Unsplash
   熟悉 DevOps 的人太少
   

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10. Photo by Jordan Sanchez on Unsplash
    練習的機會不多
    

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11. Photo by Christian Fregnan on Unsplash
    人工開設虛擬機並不方便
    

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12. 如何用 Proxmox VE 解決 問題？
    

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13. API Snapshot Qemu Agent
    + +
    

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14. require 'net/http'
    rquire 'oj'
    uri = URI('https:!//192.168.100.220:8006/api2/json/access/ticket')
    req = Net!::HTTP!::Post.new
    req['Content-Type'] = 'application/x-!!www-form-urlencoded'
    req.body = URI.encode_!!www_form(username: 'xxx@pve', password: 'xxx')
    token = {}
    Net!::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
    res = http.request(req)
    token = Oj.load(res.body)&.fetch('data', {})
    end
    puts token['ticket'] # !=> XXXX
    puts token['CSRFPreventionToken'] # !=> XXX
    

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15. require 'net/http'
    rquire 'oj'
    uri = URI(TICKET_URI)
    req = Net!::HTTP!::Post.new
    req['Content-Type'] = 'application/x-!!www-form-urlencoded'
    req.body = URI.encode_!!www_form(
    username: 'xxx@pve',
    password: 'xxx'
    )
    

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16. token = {}
    Net!::HTTP.start(
    uri.host,
    uri.port,
    use_ssl: true
    ) do |http|
    res = http.request(req)
    token = Oj.load(res.body)&.fetch('data', {})
    end
    puts token['ticket'] # !=> XXXX
    puts token['CSRFPreventionToken'] # !=> XXX
    

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17. req = Net!::HTTP!::Get.new(uri)
    req['Cookie'] = "PVEAuthCookie=!#{token['ticket']}"
    

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18. req = Net!::HTTP!::Post.new(uri)
    req['Cookie'] = "PVEAuthCookie=!#{token['ticket']}"
    req['CSRFPreventionToken'] = token['CSRFPreventionToken']
    

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19. 詳細的文件可以在 Wiki 中找到
    

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20. 非同步 行為處理
    

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21. Proxmox!::API.post('nodes/pve/100/status/start')
    .fetch(:data)
    # !=> UPID:pve:00001560:3C9C598C:5C6944F7:qmstart:
    100:user@pve:
    

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22. 需要自己用 UPID 確認狀態
    

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23. loop do
    status = task('pve', upid)
    break if status['exitstatus'] !== 'OK'
    sleep 1
    end
    

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24. Snapshot Backup
    VS
    

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26. 如何 自動設定 SSH Key 到機器
    

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29. File Write
    Qemu Agent
    VM
    PlayGround
    GitLab
    Public Key
    

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30. File Write
    Qemu Agent
    VM
    PlayGround
    GitLab
    Public Key
    從 GitLab 取出
    使用者 Public Key
    

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31. File Write
    Qemu Agent
    VM
    PlayGround
    GitLab
    Public Key
    透過 Proxmox API
    控制 Qemu Agent
    

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32. File Write
    Qemu Agent
    VM
    PlayGround
    GitLab
    Public Key
    將 Public Key 寫入
    指定的虛擬機
    

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33. 預設 權限不足，需要自己調整 SELinux
    

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35. THANKS
    

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