この記事は Kubernetes Advent Calendar 2016 の22日目の記事です。 Kubernetes を使っていると、 Pod 内のコンテナで動くプロセスから使われるデータを GitHub repository の HEAD に同期して更新したいというような場合が出てきます。 例えば、下記のような場合があります。 CDN を使わずに小規模に配信するコンテンツ DBMS に入れるほどではないデータファイル このような場合に、プロセスだけでなくデータに対してもデプロイフローを作ると複雑になるので、できれば避けたいところです。 今回は、プロセスが使うデータを自動的に GitHub と同期する方法を紹介します。(実際は GitHub に限らず Git 一般に対応可能です。) gitRepo Volume では駄目なのか Kubernetes には組み込みの gitRepo Vo
Chart Development Tips and Tricks This guide covers some of the tips and tricks Helm chart developers have learned while building production-quality charts. Know Your Template Functions Helm uses Go templates for templating your resource files. While Go ships several built-in functions, we have added many others. First, we added almost all of the functions in the Sprig library. We removed two for
Charts Helm uses a packaging format called charts. A chart is a collection of files that describe a related set of Kubernetes resources. A single chart might be used to deploy something simple, like a memcached pod, or something complex, like a full web app stack with HTTP servers, databases, caches, and so on. Charts are created as files laid out in a particular directory tree, then they can be p
Quickstart Guide This guide covers how you can quickly get started using Helm. Prerequisites The following prerequisites are required for a successful and properly secured use of Helm. A Kubernetes cluster Deciding what security configurations to apply to your installation, if any Installing and configuring Helm and Tiller, the cluster-side service. Install Kubernetes or have access to a cluster Y
Cluster Version Upgrades and Migrations At some point you will almost definitely want to upgrade the Kubernetes version of your cluster, or even migrate from a cluster managed/provisioned by another tool to one managed by kops. There are a few different ways to accomplish this depending on your existing cluster situation and any requirements for zero-downtime migrations. Upgrade an existing kube-u
Hi Guys, thanks a lot for managing this. First of all i love kops, kubernetes and AWS. :-) I have create a sample kops cluster named "k8s-test-evironment-com" in 3 AWS AZ's(eu-west) and output this to terraform, then i have start to manage the routing in an extra file "isolated_cluster_sample.tf". Then i have need to answer the same questions as you before, but i have decide at the end, to create
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