- iterm2 / oh-my-zsh (theme: tangodark | palenight)
- kubectl tab completion (
source <(kubectl completion zsh)) - VSCode + GitLens | moonlight | YAML |
- skaffold
- kubectl plugins
kubectx is a commandline tool that allow you to switch between clusters and namespaces in kubectl easily & smoothly
# installation (Mac)
$ brew install kubectx
# how to switch contexts
$ kubectx [tab]
<cluster1> <cluster2> <cluster3> ...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 is a command line utility built to port forward some or all pods within a Kubernetes namespace.
Installation on Mac
$ brew install txn2/tap/kubefwdFor other platform, use docker like this:
$ 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:
# 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-fbzj4:8080Then, access party-clippy
curl party-clippy:80kubespy is a commandline tool for observing Kubernetes resources in real time
Here is a way to install kubespy
# 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 is a smarter Dockerfile linter that helps you build best practice Docker images.
How to install
# 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/hadolintHow to Use
$ 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 foldersFor more detail, see hadolint/hadolint