yokawasa · October 15, 2019 18:41 · Sep 2, 2019 · Sep 2, 2019 · Aug 31, 2019 · Aug 31, 2019
diff --git a/kubernetes-tools.md b/kubernetes-tools.md
@@ -20,7 +20,7 @@
 - kubectl plugins
   - [kube-capacity](https://github.com/robscott/kube-capacity)
   - [kubectl-plugin-ssh-jump](https://github.com/yokawasa/kubectl-plugin-ssh-jump)
-
+  - [kubectl-fzf](https://github.com/bonnefoa/kubectl-fzf)
 
 ## kubectx
 [kubectx](https://github.com/ahmetb/kubectx) is a commandline tool that allow you to switch between clusters and namespaces in kubectl easily & smoothly

diff --git a/kubernetes-dev-tools.md → kubernetes-tools.md b/kubernetes-dev-tools.md → kubernetes-tools.md
diff --git a/kubernetes-dev-tools.md b/kubernetes-dev-tools.md
@@ -1,5 +1,17 @@
 # Kubernetes Tools
 
+<!-- TOC -->
+
+- [Kubernetes Tools](#kubernetes-tools)
+    - [Links](#links)
+    - [kubectx](#kubectx)
+    - [stern](#stern)
+    - [kubefwd](#kubefwd)
+    - [kubespy](#kubespy)
+    - [hadolint](#hadolint)
+
+<!-- /TOC -->
+
 ## Links
 - iterm2 / oh-my-zsh (theme: tangodark | [palenight](https://github.com/JonathanSpeek/palenight-iterm2))
 - kubectl tab completion (`source <(kubectl completion zsh)`)

diff --git a/kubernetes-dev-tools.md b/kubernetes-dev-tools.md
@@ -1,8 +1,6 @@
-
-
-  - [kube-capacity](https://github.com/robscott/kube-capacity)
 # Kubernetes Tools
 
+## Links
 - iterm2 / oh-my-zsh (theme: tangodark | [palenight](https://github.com/JonathanSpeek/palenight-iterm2))
 - kubectl tab completion (`source <(kubectl completion zsh)`)
 - VSCode + [GitLens](https://marketplace.visualstudio.com/items?itemName=eamodio.gitlens) | [moonlight](https://marketplace.visualstudio.com/items?itemName=atomiks.moonlight) | [YAML](https://marketplace.visualstudio.com/items?itemName=redhat.vscode-yaml) |  

diff --git a/kubernetes-dev-tools.md b/kubernetes-dev-tools.md
@@ -1,8 +1,153 @@
+
+
+  - [kube-capacity](https://github.com/robscott/kube-capacity)
+# Kubernetes Tools
+
 - iterm2 / oh-my-zsh (theme: tangodark | [palenight](https://github.com/JonathanSpeek/palenight-iterm2))
 - kubectl tab completion (`source <(kubectl completion zsh)`)
-- [kubectx](https://github.com/ahmetb/kubectx)
-- krew
 - VSCode + [GitLens](https://marketplace.visualstudio.com/items?itemName=eamodio.gitlens) | [moonlight](https://marketplace.visualstudio.com/items?itemName=atomiks.moonlight) | [YAML](https://marketplace.visualstudio.com/items?itemName=redhat.vscode-yaml) |  
 - skaffold
-- [dive](https://github.com/wagoodman/dive)
-- [stern](https://github.com/wercker/stern)
+- kubectl plugins
+  - [kube-capacity](https://github.com/robscott/kube-capacity)
+  - [kubectl-plugin-ssh-jump](https://github.com/yokawasa/kubectl-plugin-ssh-jump)
+
+
+## kubectx
+[kubectx](https://github.com/ahmetb/kubectx) is a commandline tool that allow you to switch between clusters and namespaces in kubectl easily & smoothly
+
+```sh
+# installation (Mac)
+$ brew install kubectx
+
+# how to switch contexts
+$ kubectx [tab]
+ <cluster1> <cluster2> <cluster3> ...
+```
+
+## stern
+[stern](https://github.com/wercker/stern) is a commandline for multi pod and container log tailing for Kubernetes
+
+```
+# installation on MacOS
+$ brew install stern
+
+# Usage
+## tail <podname> in namespace
+## stern <podname> -n <namespace>
+$ stern samplepod
+
++ samplepod-684ccd679f-nl252 › sample-pod-demo
+samplepod-684ccd679f-nl252 sample-pod-demo o36e6ivtni@8ae3fca5-9b5c-471b-99d8-0eeb567c6acb
+samplepod-684ccd679f-nl252 sample-pod-demo ===== table list =====
+samplepod-684ccd679f-nl252 sample-pod-demo ('test',)
+samplepod-684ccd679f-nl252 sample-pod-demo ===== Records =====
+samplepod-684ccd679f-nl252 sample-pod-demo Id: 1 Content: hoge
+samplepod-684ccd679f-nl252 sample-pod-demo Id: 2 Content: foo
+samplepod-684ccd679f-nl252 sample-pod-demo Id: 3 Content: bar
+```
+
+## kubefwd
+[kubefwd](https://github.com/txn2/kubefwd) is a command line utility built to port forward some or all pods within a Kubernetes namespace.
+
+Installation on Mac
+```sh
+$ brew install txn2/tap/kubefwd
+```
+
+For other platform, use docker like this:
+```sh
+$ docker run -it --rm --privileged --name the-project \
+    -v "$(echo $HOME)/.kube/":/root/.kube/ \
+    txn2/kubefwd services -n the-project
+
+$ docker exec the-project curl -s <target>
+```
+
+Here is how to use:
+```sh
+# For all services for default namespace
+sudo kubefwd services
+# For all services for a specific namespace
+sudo kubefwd services -n <namespace>
+
+
+ _          _           __             _
+| | ___   _| |__   ___ / _|_      ____| |
+| |/ / | | | '_ \ / _ \ |_\ \ /\ / / _  |
+|   <| |_| | |_) |  __/  _|\ V  V / (_| |
+|_|\_\\__,_|_.__/ \___|_|   \_/\_/ \__,_|
+
+Press [Ctrl-C] to stop forwarding.
+Loading hosts file /etc/hosts
+Original hosts backup already exists at /etc/hosts.original
+Forwarding local 127.1.27.1:443 as kubernetes:443 to pod mytimeds-m7sn9:443
+Forwarding local 127.1.27.2:80 as party-clippy:80 to pod party-clippy-dc7448885-fbzj4:8080
+```
+
+Then, access party-clippy
+
+```sh
+curl party-clippy:80
+```
+
+
+## kubespy
+kubespy is a commandline tool for observing Kubernetes resources in real time
+- https://github.com/pulumi/kubespy
+
+Here is a way to install kubespy
+```sh
+# install binary (`go install` didn't work on my env for some reason)
+
+$ wget https://github.com/pulumi/kubespy/releases/download/v0.4.0/kubespy-darwin-368.tar.gz
+$ tar zxvf kubespy-darwin-368.tar.gz
+$ cp -p releases/kubespy-darwin-386/kubespy $PATH/
+$ kubespy
+
+Spy on your Kubernetes resources
+
+Usage:
+  kubespy [command]
+
+Available Commands:
+  changes     Displays changes made to a Kubernetes resource in real time. Emitted as JSON diffs
+  help        Help about any command
+  status      Displays changes to a Kubernetes resources's status in real time. Emitted as JSON diffs
+  trace       Traces status of complex API objects
+  version     Displays version information for this tool
+
+Flags:
+  -h, --help   help for kubespy
+
+Use "kubespy [command] --help" for more information about a command.
+```
+
+## hadolint
+[hadolint](https://github.com/hadolint/hadolint) is a smarter Dockerfile linter that helps you build best practice Docker images.
+
+How to install
+```sh
+# Directly download binary
+$ curl -L -O https://github.com/hadolint/hadolint/releases/download/v1.15.0/hadolint-Darwin-x86_64
+$ ln -s hadolint-Darwin-x86_64 hadolint
+
+# Install with brew on Mac
+$ brew install hadolint
+
+# Use docker container
+$ docker pull hadolint/hadolint
+```
+
+How to Use 
+```sh
+$ cd azure-container-labs/apps/vote/azure-vote
+# hadolint <Dockerfile>
+$ hadolint Dockerfile
+
+Dockerfile:3 DL3008 Pin versions in apt get install. Instead of `apt-get install <package>` use `apt-get install <package>=<version>`
+Dockerfile:3 DL3009 Delete the apt-get lists after installing something
+Dockerfile:3 DL3013 Pin versions in pip. Instead of `pip install <package>` use `pip install <package>==<version>`
+Dockerfile:3 DL3015 Avoid additional packages by specifying `--no-install-recommends`
+Dockerfile:7 DL3020 Use COPY instead of ADD for files and folders
+```
+For more detail, see [hadolint/hadolint](https://github.com/hadolint/hadolint)  
diff --git a/kubernetes-dev-config → kubernetes-dev-tools.md b/kubernetes-dev-config → kubernetes-dev-tools.md
diff --git a/kubernetes-dev-config b/kubernetes-dev-config
@@ -0,0 +1,8 @@
+- iterm2 / oh-my-zsh (theme: tangodark | [palenight](https://github.com/JonathanSpeek/palenight-iterm2))
+- kubectl tab completion (`source <(kubectl completion zsh)`)
+- [kubectx](https://github.com/ahmetb/kubectx)
+- krew
+- VSCode + [GitLens](https://marketplace.visualstudio.com/items?itemName=eamodio.gitlens) | [moonlight](https://marketplace.visualstudio.com/items?itemName=atomiks.moonlight) | [YAML](https://marketplace.visualstudio.com/items?itemName=redhat.vscode-yaml) |  
+- skaffold
+- [dive](https://github.com/wagoodman/dive)
+- [stern](https://github.com/wercker/stern)
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