Download - 2016 0626 ubuntu 1604 LTS party LT
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Ubuntu 14.04 LTSから16.04 LTSへのアップグレードを
ConoHaでやるcloud-‑init パッケージのOpenStackで ConfigDriveを
使っている場合の対応、対策(work around)
郷古 直仁 naototty @naoto_̲gohko
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郷古直仁 (@naoto_̲gohko, naototty)• ConoHa のOpenStack cloudサービスの裏の⼈人
•最近やっているゲーム• FGO (ガチャります)• Overwatch(PS4)(ガチャります)
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さてさてさて
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今回はConoHaで、Ubuntu 16.04 LTSイメージをすぐに提供できていない理由について、ちょっとLT
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Ubuntu 14.04 LTSèpython2.7 base
Ubuntu 16.04 LTSèpython3.5 base
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今回のupgradeは⼤大きな変更(python的には)Python3.5は開発ツールとしては嬉しいんですけど…
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Ubuntu OpenStackの通常のテストケースでは、どうも引っかからない問題でした
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ちなみに
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Ubuntu 16.04 LTS + MitakareleaseはOpenStack communityてきには⾮非推奨らしいです
Mitaka rel.での開発のメインラインはUbuntu 14.04 LTS
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だがしかし
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Ubuntu 16.04 LTS cloud guest OSとしては、もちろん需要がたくさんあります
そちら側のお話です
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クラウドのメタデータ取得:cloud-‑init
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cloud-‑init:dhcpでlink-‑local addressから取得するのが多いhttp://169.254.169.254/
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cloud-‑init: ConfigDriveネットワークが疎通しない状態のcloud imageにもメタデータを配布する仕組みè CD rom image mount型
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ConoHa cloud: ConfigDrive
なんです!!(ここまで前置き)
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Ubuntu 14.04 LTSからの16.04 LTSへのupgrade⽅方法
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How to upgrade 14.04 LTS to 16.04 LTS(Server Edition) #1• $ sudo apt-‑get update && sudo apt-‑get dist-‑upgrade⼀一回再起動(upgradeがある場合)• $ sudo shutdown ‒–r now
• $ sudo apt-‑get install update-‑manager-‑corePrompt=ltsの確認• $ sudo grep Prompt /etc/update-‑manager/release-‑upgrades
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How to upgrade 14.04 LTS to 16.04 LTS(Server Edition) #2VNC画⾯面または、シリアルコンソール画⾯面で実⾏行(upgradeでネットワークが切れる場合がありますので)• $ sudo do-‑release-‑upgrade ‒–d ‒–m server
質問で更新 /etc/dhcp/dhclient.conf• Nを選択
質問で更新 /etc/cloud/cloud.cnf• Nを選択
その他の選択肢はdefaultでOKでしょう
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How to upgrade 14.04 LTS to 16.04 LTS(Server Edition) #2b最後に、再起動するか聞かれるので: y
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Ubuntu 16.04 LTSが起動してきますが、cloud-‑initがTraceしている…
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とりあえず、起動すると疎通はするようですが…
なんかおかしい(ipv6亡くなったし)
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cloud-‑init: ConfigDrive
のpython3固有のトラブルです
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cloud-‑init: ConfigDrive
ソースを⾒見ると、これだけ書き換え忘れwwww
orz
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Work around
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How to upgrade 14.04 LTS to 16.04 LTS(Server Edition) #3 work arroundVNC画⾯面または、シリアルコンソール画⾯面で実⾏行(upgradeでネットワークが切れる場合がありますので)(以下、rootで)ネットワークがおかしいので、再起動• # sudo /etc/init.d/networking restart
cloud-‑init のdevリポジトリ追加• # apt-‑add-‑repository ppa:smoser/cloud-‑init-‑dev• # apt update• # apt upgrade
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root@163-44-119-136:~# dpkg -l cloud-initDesired=Unknown/Install/Remove/Purge/Hold| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-‑pend|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)||/ Name Version Architecture Description+++-===========================-==================-==================-===========================================================ii cloud-init 0.7.7~bzr1245-0ubu all Init scripts for cloud instances
0.7.7~∼bzr1212(before (bug))0.7.7~∼bzr1245(after)というように上がります
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公式にはいつ降りてくるのか、
なぁ(16.04.1 とか無しね…)