An unofficial tab completion for the Postman CLI

Disclaimer: postman-cli-completion is a personal, unofficial open-source project I built on my own time. It is not a Postman product, and it is not affiliated with, endorsed by, or supported by Postman. If something breaks, please open an issue on the GitHub repo — not with Postman support. Reaching for postman --help, again If you use the Postman CLI, how many times have you typed postman --help just because you couldn’t remember a subcommand name?...

<span title='2026-08-28 00:00:00 +0000 UTC'>August 28, 2026</span>&nbsp;·&nbsp;5 min&nbsp;·&nbsp;Yoichi Kawasaki

Finched Rails CLI makes it a breeze to try out Rails withough installing anything but Finch

Preface In this article, I’d like to introduces Finched Rails CLI that makes it a breeze to try out Rails without installing anything but Finch. Finch is an OSS CLI for building, running, and publishing Linux containers create by AWS. As long as you have Finch, you can quick start a Rails app only by copying and pasting a few commands. Finched Rails CLI is a fork of Docked Rails CLI and simply a Finch version of it....

<span title='2023-01-28 00:00:00 +0000 UTC'>January 28, 2023</span>&nbsp;·&nbsp;2 min&nbsp;·&nbsp;Yoichi Kawasaki

My presentation at IstioCon 2022

I presented on Apri 28th (April 29th JST): “Accelerating ZOZOTOWN Modernization with Istio” at IstioCon 2022. It was an awesome experience for me to present for the global technology conference like IsitoCon. ⛵️Istio is a synonym of acceleration & modernization. Register for #IstioCon to learn about "Accelerating ZOZOTOWN Modernization process with #Istio" by @yokawasa 🤓👉 https://t.co/SWyXAsfqcO #Istio #CloudNative #ServiceMesh pic.twitter.com/BNyeLsAVHI — Istio (@IstioMesh) April 25, 2022 You can find the slides for my presentation: https://speakerdeck....

<span title='2022-05-01 00:00:00 +0000 UTC'>May 1, 2022</span>&nbsp;·&nbsp;4 min&nbsp;·&nbsp;Yoichi Kawasaki

GitHub Actions Article on Software Design magazine (2022/02 Issue)

A Software Design 2022/02 Issue was published in Jan 18, 2022, in which I contributed the 2nd special feature article on CI/CD using GitHub Actions. 『Software Design 2022年2月号』(技術評論社)/ Software Design 2022/02 Issue (gihyo) Gihyo Online Amazon

<span title='2022-01-18 00:00:00 +0000 UTC'>January 18, 2022</span>&nbsp;·&nbsp;1 min&nbsp;·&nbsp;Yoichi Kawasaki

kubectl plugin - SOCKS5 proxy to Services or Pods in the cluster

I’ve published a new kubectl plugin called kubectl-plugin-socks5-proxy. This is a kubectl plugin that creates a local SOCKS5 proxy through which you can access to Services or Pods in a Kubernetes cluster. What the plugin actually does is that it create a SOCKS proxy server Pod in a Kubernetes cluster and forwards a local port (default:1080) to the proxy. So you can access to Servcies or Pods in Kuberenetes cluster by using the local port as SOCKS5 proxy like this:...

<span title='2021-02-08 00:00:00 +0000 UTC'>February 8, 2021</span>&nbsp;·&nbsp;3 min&nbsp;·&nbsp;Yoichi Kawasaki

GitHub Actions - Kubernetes tools installer

I’ve published a new GitHub Action called action-setup-kube-tools (View on Marketplace). The action installs Kubernetes tools (kubectl, kustomize, helm, kubeval, conftest, and yq) and cache them on the runner. This is a typescript version of stefanprodan/kube-tools with no command input param. Usage Inputs Parameter Required Default Value Description kubectl false 1.18.2 kubectl version. kubectl vesion can be found here kustomize false 3.5.5 kustomize version. kustomize vesion can be found here helm false 2....

<span title='2020-07-05 00:00:00 +0000 UTC'>July 5, 2020</span>&nbsp;·&nbsp;2 min&nbsp;·&nbsp;Yoichi Kawasaki

GitHub Actions - Elastic Cloud Control (ecctl) tool installer

I’ve published a new GitHub Action called action-setup-ecctl (View on Marketplace). The action installs a specific version of ecctl (Elastic Cloud control tool) and cache it on the runner. Usage Inputs Parameter Required Default Value Description version false latest Ecctl tool version such as v1.0.0-beta3. Ecctl vesion can be found here. Supported Environments: Linux and macOS Outputs Parameter Description ecctl-path ecctl command path Sample Workflow A specific version of ecctl can be setup by giving an input - version like this: {% raw %}...

<span title='2020-06-22 00:00:00 +0000 UTC'>June 22, 2020</span>&nbsp;·&nbsp;1 min&nbsp;·&nbsp;Yoichi Kawasaki

College Roommate

A scene at wedding ceremony of my old collage roommate Jan 18, 2020 at Brooklyn NY

<span title='2020-06-16 00:00:00 +0000 UTC'>June 16, 2020</span>&nbsp;·&nbsp;1 min&nbsp;·&nbsp;Yoichi Kawasaki

Visual Studio Code Textbook for programmer was published!

A book, I co-authored with @hoisjp and @_Dr_ASA, was recently published. Today I went to a bookstore to see if it was actually displayed. It was real!! 🎉🎉🎉 『プログラマーのためのVisual Studio Codeの教科書』(マイナビ出版)/ Visual Studio Code textbooks for programmers Softcover version Kindle version

<span title='2020-05-01 00:00:00 +0000 UTC'>May 1, 2020</span>&nbsp;·&nbsp;1 min&nbsp;·&nbsp;Yoichi Kawasaki

GitHub Actions - SQLCheck Action

I’ve published a new GitHub Action called SQLCheck Action (View on Marketplace). The action automatically identifies anti-patterns in SQL queries using sqlcheck when PR is requested and comment on the PR if risks are found in the queries. Usage Supports pull_request event type. Inputs Parameter Required Default Value Description post-comment false true Post comment to PR if it’s true token true "" GitHub Token in order to add comment to PR risk-level false 3 Set of SQL anti-patterns to check: 1,2, or 3- 1 (all anti-patterns, default)- 2 (only medium and high risk anti-patterns) - 3 (only high risk anti-patterns) verbose false false Add verbose warnings to SQLCheck analysis result postfixes false “sql” List of file postfix to match ( separator: comma ) Sample Workflow ....

<span title='2020-04-30 00:00:00 +0000 UTC'>April 30, 2020</span>&nbsp;·&nbsp;1 min&nbsp;·&nbsp;Yoichi Kawasaki

My last day at Microsoft

Today is my last day at Microsoft. About 9 years and 2 months have passed since I joined MS. I’ve had wonderful years filled with various experiences on business. In the first 4 years, as FAST Search engineer & consultant, I specialized in Fast search and provided customers in Japan and sometimes in South East Asia & South Korea area with proactive consulting & support. For the next 3 years after that, as a part of Azure Solution Architect teams, I provided architectural guidance & design session, PoC and prototyping support, knowledge transfer trainings with Japanease enterprise customers, collaborating with Azure engineering teams, Azure sales teams and many other stakeholders....

<span title='2019-09-30 00:00:00 +0000 UTC'>September 30, 2019</span>&nbsp;·&nbsp;2 min&nbsp;·&nbsp;Yoichi Kawasaki

Find the lowest latency Azure regions from your place using azping

azping is a command line tools that help you find the lowest latency Azure Region from your place. It acutally reports median latency to Azure regions. It is a fork of gcping. What does azping actually evalulate? azping evalulate the median latecy of http requests to Azure blob storage endpoints located in each of Azure reagions from your place. Number of requests to be made to each region is 5 by default, but it can be changed with -n parameter that you can give in executing azping command....

<span title='2019-08-10 00:00:00 +0000 UTC'>August 10, 2019</span>&nbsp;·&nbsp;2 min&nbsp;·&nbsp;Yoichi Kawasaki

Unofficial tips for CKA and CKAD exams

I’ve taken both Certified Kubernetes Administrator (CKA) and Certified Kubernetes Application Developer (CKAD) exams in the past 2 weeks and fortunately passed both. This is a blog article on tips for both exams based on my experiences. About the exam and its curriculum CKA focus on managing and operating kubernetes cluster including troubleshooting while CKAD forcus on managing and deploying applicaionts to kubernetes cluster. It’s very important to read and understand the exam curriculum and their relevant pages on kubernetes....

<span title='2019-03-18 00:00:00 +0000 UTC'>March 18, 2019</span>&nbsp;·&nbsp;4 min&nbsp;·&nbsp;Yoichi Kawasaki

Easy way to SSH into Azure Kubernetes Service cluster node VMs

This is an article on how you can SSH into Azure Kubernetes Service (AKS) cluster node VMs using kubectl-plugin-ssh-jump. Motivation I wanted to SSH into Azure Kubernetes Service (AKS) cluster node VMs, then looking up azure docs I found a relevant page - Connect with SSH to Azure Kubernetes Service (AKS) cluster nodes for maintenance or troubleshooting. But when I first saw this procedure, I thought this was very troublesome. Lazy person like me couldn’t accept going thourgh all the steps just to SSH into AKS cluster nodes VMs....

<span title='2019-02-12 00:00:00 +0000 UTC'>February 12, 2019</span>&nbsp;·&nbsp;6 min&nbsp;·&nbsp;Yoichi Kawasaki

Set of Envoy Proxy features demos

Set of demos to demonstrate Envoy Proxy features HTTP Routing: Simple Match Routing All traffic is routed by the front envoy to the service containers. Internally the traffic is routed to the service envoys, then the service envoys route the request to the flask app via the loopback address. In this demo, all traffic is routed to the service envoys like this: A request (path /service/blue & port 8000) is routed to service_blue A request (path /service/green & port 8000) is routed to service_green A request (path /service/red & port 8000) is routed to service_red Key definition 1 - virtual_hosts in front-envoy....

<span title='2019-01-14 00:00:00 +0000 UTC'>January 14, 2019</span>&nbsp;·&nbsp;5 min&nbsp;·&nbsp;Yoichi Kawasaki

Quick Start with Azure Functions V2 Python (Preview)

Today (Sept 25, 2018 JST), Azure Functions supports Python development using Python 3.6 on the Functions v2 (cross-platform) runtime. You can now use your Python code and dependencies on Linux-based Functions. This is an article on quick start with Azure Functions V2 Python (Preview) showing how you can quickly start Python function development on Azure Function V2 runtime. 1. Prerequisites for Buidling & Testing Locally Python 3.6 (For Python function apps, you have to be running in a venv) Azure Functions Core Tools 2....

<span title='2018-09-25 00:00:00 +0000 UTC'>September 25, 2018</span>&nbsp;·&nbsp;6 min&nbsp;·&nbsp;Yoichi Kawasaki

Accessing RBAC enabled Kubernetes Dashboard

This is an article on how you can configure Service Account and RoleBinding in order to make Dashbaord work. As of release Kubernetes v1.7, Dashboard no longer has full admin privileges granted by default. All the privileges are revoked and only minimal privileges granted, that are required to make Dashboard work. With default priviledge, you’ll see the following errors showed up on the Dashboard. [Azure Kubernetes Service (AKS)] RBAC is enabled by default Since Azure CLI version 2....

<span title='2018-08-11 00:00:00 +0000 UTC'>August 11, 2018</span>&nbsp;·&nbsp;5 min&nbsp;·&nbsp;Yoichi Kawasaki

Moving to Jekyll based Github page

I’ve moved my blog site from Wordpress to Jekyll based Github page. There are a few reasons for this: I wanted to manage my blog data on Github I wanted to switch from HTML based to Markdown I wanted more static approach like generating once, not dynamically rendering for every request (for performance reason) After a few minutes of googling, I came up with Jekyll and found it much easier to manage my blog data with Jekyll than with Wordpress....

<span title='2018-07-05 00:00:00 +0000 UTC'>July 5, 2018</span>&nbsp;·&nbsp;6 min&nbsp;·&nbsp;Yoichi Kawasaki

Kubernetes x PaaS コンテナアプリケーションのNoOpsへの挑戦 (Japan Container Days v18.04)

先日、4月19日に開催されたJapan Container Days v18.04にて「Kubernetes x PaaS – コンテナアプリケーションのNoOpsへの挑戦」というタイトルでセッションを担当させていただいた。その名の通りメインがKubernetesで、KubernetesアプリケーションにおいてNoOps(運用レス)を目指すためのにどういった工夫ができるのか、どういったものを活用していけばよいのか、という内容です。このブログではJapan Container Daysでの発表に使用したスライドの共有とセッションに中のサンプルやデモについて補足させていただく。 Session Slides Kubernetes x PaaS – コンテナアプリケーションの NoOpsへの挑戦 from Yoichi Kawasaki 補足情報 1. Open Service Broker for AzureでAzure Database for MySQLの利用 スライドでお見せした実際のファイルを使ってAzure Database for MySQLのサービスインスタンス作成、バインディング、そして実際のアプリケーションからの利用までの流れを紹介させていただく。 Open Service Broker for AzureプロジェクトのGithubにあるサンプルファイルmysql-instance.yamlとmysql-binding.yamlを使ってそれぞれServiceInstanceとServiceBindingを作成する ` # Provisioning the database, basic50 plan ... $ kubectl create -f mysql-instance.yaml # Wait until ServiceInstance named example-mysql-instance get ready 'Status => Ready', # then execute the following to create a binding for this new database, $ kubectl create -f mysql-binding....

<span title='2018-04-25 00:00:00 +0000 UTC'>April 25, 2018</span>&nbsp;·&nbsp;3 min&nbsp;·&nbsp;Yoichi Kawasaki

Controlling Azure Media Services traffic with Traffic Manager

This is an article on how you can achieve Azure Media Services (AMS) streaming traffic distribution with Traffic Manager. The process for a client to find target AMS streaming endpoints The figure shows how a client find target AMS streaming endpoints with Traffic Manager and requests from video players are distributed to streaming endpoints in AMS: When AMS endpoints are added to an Azure Traffic Manager profile, Azure Traffic Manager keeps track of the status of the endpoints (running, stopped, or deleted) so that it can decide which of those endpoints should receive traffic....

<span title='2018-01-06 00:00:00 +0000 UTC'>January 6, 2018</span>&nbsp;·&nbsp;5 min&nbsp;·&nbsp;Yoichi Kawasaki