Should you go with OpenShift or Kubernetes? 1 This question, or something like it, is one that Red Hatters have been asked countless times. While OpenShift is a popular product, Kubernetes is a framework or an open-source project. The Forrester Wave™: Multicloud Container Development Platforms, Q3 2020. Red Hat® OpenShift® is supported Kubernetes for cloud-native applications with enterprise security. - DZone Cloud 日本IBM クラウド&コグニティブ・ソフトウェア事業本部、「15Stepで習得 Dockerから入るKubernetes」の著者, Kubernetes(クーバネティス)は、Dockerコンテナを本番サービスで利用するためのプラットフォームであり、CNCF(Cloud Computing Foundation)が開発を支援するオープンソース・ソフトウェアである。, Dockerコンテナは、可搬性があり、起動が早く、小さなサイズであることから、手軽に開発環境が構築できるために、ソフトウェア開発者の間で注目されてきた。そして、Dockerコンテナをアプリケーションの本番運用にも、そのまま利用したいという自然なニーズに答えたのが、Kubernetesである。Kubernetesは、Dockerのイメージのリポジトリなど実行基盤を利用しながら、本番サービスを運用する上で必要な下記の7つの機能を提供する。, 優れたKubernetesの機能に気づいた企業から次第に参画が始まり、現在500社近くの世界の主要なIT企業がCNCFへ参画する潮流となっている。, CNCFが開発を推進するKubernetesは、たくさんの企業が参画して開発を進め、急速に発展している。この活動は、3ヶ月ごとにマイナー・バージョンがリリースされ、リリース後の約9ヶ月間でサポートが終了することから伺い知ることができる。このCNCFが配布するKubernetesは、上流(アップストリーム)のKubernetesと呼ばれ、ソフトウェア・ベンダーが製品化する前の実証試験的なプロダクトと見なされている。, この様な上流のKubernetesの課題を解決に、企業情報システムに適する製品として仕上げられたのが、Red Hat社のOpenShiftである。, OpenShiftは初期の段階では、独自の設計でPaaS(Platform As Service)として開発された。しかし、バージョン3では大幅な改修と共に、Kubernetesをベースとするコンテナ・プラットフォームとして生まれ変わった。そのため、OpenShiftには上流のKubernetesには無い多くの特徴を備えている。そこで、以下にOpenShiftの主な特徴を挙げてみたい。, OpenShiftは当初PaaSとして開発された経緯から、Cloud Foundry(旧IBM Bluemix のPaaSエンジン)と同様な機能が備わっている。Ruby、PHP、PythonなどのアプリケーションのソースコードをOpenShiftへ与えることで、OpenShift内部でソースコードやメタ情報などから、適切な実行環境を含むコンテナをビルドして、サービスとして公開するまでの一連の作業を自動的に実行してくれる。これには、簡便なコマンドベースのビルド・パイプラインから、Jenkinsの本格的なビルド・パイプラインまで、開発者のニーズに応じて複数が準備されている。 As Kubernetes is deployed, the right identity and security accesses must be supplied, along with integrations for storage, networking, and container registry solutions. This offers numerous lifecycle management challenges: IT must validate hosts with the right settings and Linux operating system during Kubernetes installation. One of the most popular projects on Github1, 1700+ individual and dozens of corporate contributors2, 75% of enterprises cite complexity as a blocker to adopting Kubernetes3. Key Features of OpenShift Compatibility: As part of the certified Kubernetes program, OpenShift has compatibility with Kubernetes … Red Hat named a leader, across 29 criteria and 8 vendors. However, comparing Kubernetes to OpenShift can sometimes lead to confusion because Kubernetes is an integral element of OpenShift… If implemented and maintained correctly, Kubernetes offers everyone - IT operations, developers, and business owners - great benefits: Kubernetes can run on a local machine or across multiple clusters in widespread availability zones. Beyond differences in tooling, OpenShift is also different from native Kubernetes in that, while a variety of vendors offer Kubernetes distributions, OpenShift … It has a large, … Though Kubernetes is a powerful project and offers businesses many advantages, some assembly is required as it isn’t an out-of-the-box solution. Kubernetes または k8s (k + 8 文字 + s)、もしくは短縮形の「kube」とは、Linux コンテナの操作を自動化するオープンソース・プラットフォームのことです。Kubernetes を使用すると、コンテナ化され … Operations value stability, while developers value speed. It horizontally scales your cluster when you need it, and scales it back when you don’t. Featured Products Red Hat OpenShift Container Platform Build, deploy and manage your applications across cloud- and on-premise infrastructure Red Hat OpenShift Dedicated Single-tenant, high-availability Kubernetes … Users must bring and integrate their own solutions. First let's start with what's below it, Red Hat Core OS, below it. Key components, architecture, and how to get started. Enterprise Kubernetes Red Hat OpenShift includes hundreds of fixes to defect, security, and performance issues for upstream Kubernetes in every release. We package Kubernetes and include additional tooling as features that we find important and our users demand. With Red Hat OpenShift, teams gain a single, integrated platform for operations and development teams. OpenShift allows users to install the product with a subscription. In addition, OpenShift offers a built-in web management console; Kubernetes offers a similar interface as an optional add-on, but it is not a core part of Kubernetes. … Additional effort is needed to ensure Kubernetes works with specific editors, IDEs, and testing frameworks. 75% of users cite complexity of implementation and operations as the top blocker to using Kubernetes in production4. And then you look at all the things that run on top of Kubernetes. A straightforward comparison of the OpenShift and Kubernetes is not befitting simply for the fact that Kubernetes is an open-source project and OpenShift is an offering by Red Hat. 最初にOpenShiftのバージョンを確認する。 OpenShiftのバージョンは、v3の最新バージョンである事が読み取れる。 それから、ocコマンドと一緒にkubectlコマンドもインストールされるが、これまでのIKSクラスタを利用してきた関係で、kubectl コマンドもインストールしてありパスが先にある。そこで、kubectlコマンドでもバージョンを確認してみる。kubectlコマンドは、IKSの実行時点のデフォルトバージョン v1.14 であり、OpenShift のマスターノードは、Kubernetes v1.11 である。つまり、kubectl … From the OpenShift Blog: Enterprise Kubernetes with OpenShift (Part One), Community project behind Red Hat OpenShift, Enterprise Kubernetes application platform, Push-button, automated node configuration and cluster updates, Validated, third-party Kubernetes Operators. Kubernetes (クーバネティス)は、Dockerコンテナを本番サービスで利用するためのプラットフォームであり、CNCF (Cloud Computing Foundation)が開発を支援するオープンソース・ソ … Kubernetes is a portable, extensible, open-source platform for managing containerized workloads and services, that facilitates both declarative configuration and automation. Before you get stuck in an indecisive limbo, read this post to find out. Much as CoreOS and CentOS contain … Red Hat OpenShift は、企業向け Kubernetes によりコンテナ化アプリケーションのクラウド開発、ホスティング、スケーリング、提供を支援するプラットフォームです。 クラウド・コンピューティング Red Hat OpenShift … Kubernetes is an open source, extensible container orchestrator designed to … It is tested with dozens of technologies and is a … However, Kubernetes … Red Hat OpenShift is an open source container application platform based on the Kubernetes container orchestrator for enterprise app development and deployment in the hybrid cloud Red Hat OpenShift, … Redhat markets OpenShift as a Platform-as-a-Service (PaaS) offering, which includes Kubernetes with many other features added on top and a support plan. Openshift vs Kubernetes is a comaparison that every IT company is looking for since both these are heard everywhere! Maybe you’ve even wondered the same. Kubernetes has a self-support model, a community, and a whole … The users can renew the subscription to expand their cluster. Kubernetes resolves this conflict, so businesses can focus on what everyone wants: innovation and growth. Installing, deploying, and managing Kubernetes is easier said than done. Through Red Hat OpenShift, Red Hat has years of experience supporting customers running containers in production with Kubernetes. OpenShift allows the users to install the product that offers paid support with a subscription. While searching for OpenShift vs Kubernetes, one of the major differences is that one is a product, and another is a project. To handle this complexity at scale, teams need a policy-driven, automated solution that dictates how and where containers will run. Kubernetes runs on-premise in your own datacenter, in a public cloud, or a hybrid cloud configuration, deploying containers the same way, every time. Since containers have become a full … Red Hat OpenShift is an open source container application platform based on the Kubernetes container orchestrator for enterprise application development and deployment. 一般的なユーザー企業でのKubernetesの運用を現実的なものとするために、OpenShiftのユーザーは長期間の保守サービスを受けることができる。例えば、OpenShift バージョン3.11のベースとなっているKubernetes バージョン 1.11は、既にCNCF Kubernetesプロジェクトのサポートが終了しているが、OpenShiftでは 延長サポートの終了を 2024年6月としている。 To handle this complexity at scale, teams need a policy-driven, automated solution that dictates how and where containers will run. Masters The master is the host or hosts that contain the control plane components, including the API server, controller manager server, … The users need to renew the subscriptions for their cluster, and the amount increases with the expansion of … OpenShift brings along with it a set of products such as the OpenShift Container Platform, OpenShift Dedicated, Red Hat OpenShift Online, and OpenShift origin. This engine is a starting point to see how the OpenShift experience is different from other Kubernetes … At its core, Kubernetes is a portable, open-source containerization … Red Hat OpenShift and Kubernetes... what’s the difference? Enterprise Kubernetes with OpenShift (Part One), Enterprise Kubernetes with OpenShift (Blog). Kubernetes vs OpenShift: What Is the Difference? Red Hat® OpenShift® is more than just Kubernetes. Red Hat is one of the leading contributors to Kubernetes3, and has built key features and components of the open source project. Organizations with multiple teams must ensure resources are segmented correctly, and metering and chargeback solutions are properly configured. Kubernetesは、宣言的な構成管理と自動化を促進し、コンテナ化されたワークロードやサービスを管理するための、ポータブルで拡張性のあるオープンソースのプラットフォームです。Kubernetes … UPDATED on 10.6.2019 (after the release of OpenShift 4.1): Added information on OpenShift 4.UPDATED on 30.8.2019: Added information on CodeReady Containers for running single OpenShift node.If you’re interested in OpenShift 4 please check out also my honest review of it.OpenShift has been often called as “Enterprise Kubernetes… Kubernetes is the most popular orchestration engine - on the other hand, OpenShift from Redhat is one of the most popular implementations of this orchestration engine. It runs anywhere Red Hat® Enterprise Linux® is supported, on-premise or in the public cloud, with push-button, cluster-wide updates from the operating system on up*. Azure Red Hat OpenShift uses Kubernetes 1.11 and Docker 1.13.1. These technologies do not come pre-packaged with Kubernetes, though they are needed for running containers in production. Red Hat® OpenShift® is an enterprise-grade Kubernetes distribution. この様な長期間のサポートが可能になるのは、Kubernetesのソフトウェア開発を推進するデベロッパーをRed Hat社から数多く輩出しているためだからこそ可能となると考えられる。, オープンソース活用の課題として、脆弱性対応の課題は極めて重要である。脆弱性とは、プログラムの動作の不備を悪用される情報セキュリティ上の弱点である。つまり、ソフトウェア上の問題が原因となって生じた欠陥であり、セキュリティ・ホールとも呼ばれる。当然、ソフトウェア開発者は、脆弱性を産まないように細心の注意を払ってコード開発を進めるが、開発者が利用するオペレーティング・システムのライブラリやパッケージに含まれることもある。そのような事情から、開発者の責任範囲外に原因がある場合も多くある。, ソフトウェアの脆弱性は、絶えず調査と改善対応が進められ、新たな脆弱性が発見されると、米国政府が支援する国際的機関によってCVE番号が採番され、標準を定めるNIST(National Institute of Standards and Technology; アメリカ国立標準技術研究所)が運営するNVD(National Vulnerability Database)に重要度が評価されて登録される。つまり、一度モジュールの脆弱性を検査して問題がないと判断されても、時間の経過とともに、次々に脆弱性は発見されるため、いつ迄も安全という訳ではない。もし、脆弱性対応を放置すれば、不正アクセスや情報漏洩の原因となることが懸念されるため、出来るだけ早く対応することが望ましい。, この様な背景の中、Red Hatでは、政府機関や一般企業でのLinuxの活用推進のため、Red Hat CVE Database、Red Hat Security Advisoriesなどの活動を通じて、脆弱性の発見と対応に力を注いでおり、セキュリティの国際的機関と連携して対応を進めている。RHEL(Red Hat Enterprise Linux)では過去、重大な脆弱性が発見されてから、対応する修正プログラムを提供するまでの時間が、24時間以内となるものが殆どあるという実績がある。, 当然、コンテナにおいても、Linux OSなどのパッケージが数多く含まれ、脆弱性検査と対応の対象となる。Red Hatから提供される「Red Hat認定コンテナ」は、Kubernetesでコンテナのアプリケーションを運用する上で、最高水準の脆弱性対応を受けることができる。, Kubernetesの機能は素晴らしく、これまでの情報システムの運用上の課題を一掃するほどの可能性がある。Kubernetesは継続して開発が進められ、Operator と呼ばれるアプリケーションやミドルウェアなどの運用をライフライクルで自動化するための取り組みも進んでいる。, しかし、最先端のKubernetesを企業情報システムへ適用するのは、要求されるスキルも高く実現するための障壁が高い。これに対してRed Hat OpenShiftは企業でKubernetesを利用するための優れたプラットフォームであると言える。, 「すべての『個』が輝く働き方のできる組織づくりのために」 日本IBMでは、女性がキャリアを継続していく上で直面するさまざまな課題を社員自らが確認し、目標を掲げて、結果に結びつく施策を提言していくため、1998年に諮問委員 […], 私達の生活を大きく変えた新型コロナウィルスのパンデミック。科学は、人類が直面しているパンデミックや気候変動などの緊急課題に対して、大きな役割を果たせるはずです。そのような想いから、IBM Researchでは、「科学の緊 […], 今回、IBM Zに関する将来的な投資に向けたコミットメントとして、「IBM Z憲章(2020年版)」を発表いたしました。 IBM Z は、お客様のデジタル変革を推進するため継続的に年間約1000億円の投資を行っております […], ヘルスケア事例 Profility社:クラウド・ベースの分析で患者と介護提供者の急性期後ケアを支援, 【 金融とITセキュリティーVol.1 】キャッシュレス決済を取り巻く最新テクノロジーと課題, IBM Quantum Summit 2020 産業界において量子コンピューティングが可能にすることを探る, IBM Quantum Challenge そう遠くない量子の未来のためのプログラミング, 著書:「15Stepで習得 Dockerから入るKubernetes」ISBN-13: 978-4865941616. 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