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⼀番難関
(オンプレミス)インフラエンジニ
アがUbuntuを導⼊するまで!?
Canonicalにサブスクについて聞
いてみた
NiftyCloud Meetup #33
2021/01/27
@naoto_gohko
オンプレミスやクラウドを
担当しているインフラエンジ
ニア
è ⽇本ではCentOS使っている⼈多い
とりあえず、Ubuntu jpの⼈に
リモートMTGして聞いてみた
https://jp.ubuntu.com/
ここの問い合わせフォームからいれると、直接Canonicalの⼈に連絡がいく
らしい
Canonicalのサブスクリプションって?
• Ubuntu : あくまで、コミュニティベースでリリースされる
• サブスク:
• live-patch提供
• ⼈的質問(bugfix依頼)とupstream fix
• ⽇本では⽇本語での⽇中帯のサポート
• 種類
• Essential : (10年 + 延⻑サポート) : live patchなど、⼈的対応無し
• $225/year
• Standard : (24h x5, ⽇中以外は英語対応) : 平⽇の⼈的対応
• $750/year
• Advance : (24h x 365,⽇中以外は英語対応) : $1500/year
やすいとおもう( ´ ▽ ` )ノ
live-patchの恩恵の為とか
サブスク(Subscription)
• 物理サーバ単位、最低台数あり(10台)
• 企業で1つの契約単位しか結べない
• Essential x 10 + Standard x 5 という契約はできない
• Essentialだけ、Standardだけ
• 企業グループ包括契約とかすると、企業単位で契約変更できるみた
い
• 基本年単位の台数契約更新⽅式、⽉単位で⽉割増加申請できる
• 他社はこれができない
• 減らすときは、年の更新時にのみ減らせる
• 最初にStandard、次年契約解除、2年⽬にEssentialみたいな不連続
契約対応
サブスク(Subscription)
• サポート: Ubuntuでパッケージ提供されるソフトウェアをすべて対
応
• LXD
• microk8s
• snap
• KVM (Windows virtio driver含む)
• JuJu + MaaSインフラ
• Kubernetes (, Charmed-Kubernetes), Charmed-Kubeflow, kubeadm
• サポート範囲ですが、Kuberntes⾃体進化が早いので、LTSはまだ無し
• LTS OpenStack Urssi (, Charmed-OpenStack)
• OpenStackのLTSは20.04LTSのリリース時期と紐ついている
• 後で気がついたけど、microstack(snapでのOpenStack)は資料には載っていない?
Ubuntu 20.04 LTS
• 次は、22.04 (2022年4⽉)
• 通常は、2025.04までサポート
• 20.04延⻑サポートで対応は、2030年まで
結構⻑い対応
コンテナ化と(⼈的)サポート範囲
• あくまで、パッケージなので、コンテナイメージはUbuntu OS
で作られたもののみサポート範囲
• pythonプログラム(OpenStackなど)に⼿を加えた場合、それだ
けがサポートから外れる
• OpenStackで⾔うと、(マイクロサービス的に)プログラムに⼿を⼊れ
ていないサービスはサポートできる。
• cinder, placement-apiのみ契約企業が改修、それ以外はサブスク対応
みたいな
結構柔軟なサブスク
他社だと、⼿を⼊れると、⼀括拒否されたりするかも
最近Certified Hardware提供も増えてきた
• 有名Server Hardwareはサポート範囲にUbuntu LTSを⼊れると
ころが増えた
• DELL
• Lenovo
• Fujitsu
• etc.
• だいぶ、昔に⽐べて良くなりました
さあ、これで、インフラエン
ジニアを説得できるかな!!
Oracle Linux public版が良いと⾔う、CentOSに慣れたエンジニアに対して
いまのところ、できていない
ww
RHEL down streamのpublic repo Oracle Linux + UEKが⽐較対象される
劣勢です

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Until a Japanese engineer accustomed to using CentOS asks Canonical about Ubuntu support and starts using Ubuntu