/tipsandtricks

terraform

Use Infrastructure as Code to provision and manage any cloud, infrastructure, or service

links:

https://www.terraform.io/downloads.html
https://releases.hashicorp.com/terraform/

instructions:

version="0.12.18"  
app="terraform"  
wget "https://releases.hashicorp.com/${app}/${version}/${app}_${version}_linux_amd64.zip" -O ${app}_${version}.zip  
unzip ${app}_${version}.zip  
sudo mkdir -p /tools/${app}  
sudo cp ${app} /tools/${app}/${app}_${version}  
sudo ln -sfn /tools/${app}/${app}_${version} /usr/local/bin/${app}

Test:

terraform version

vault

Manage Secrets and Protect Sensitive Data

links:

https://www.vaultproject.io/downloads/
https://releases.hashicorp.com/vault/
https://releases.hashicorp.com/vault/1.3.1/vault_1.3.1_linux_amd64.zip

instructions:

version="1.3.1"  
app="vault"  
wget "https://releases.hashicorp.com/vault/${version}/${app}_${version}_linux_amd64.zip" -O ${app}_${version}.zip  
unzip ${app}_${version}.zip  
sudo mkdir -p /tools/${app}  
sudo cp ${app} /tools/${app}/${app}_${version}  
sudo ln -sfn /tools/${app}/${app}_${version} /usr/local/bin/${app}

test:

vault version

helm

Helm is a tool for managing Charts. Charts are packages of pre-configured Kubernetes resources.

links:

https://github.com/helm/helm/releases
https://github.com/helm/helm/releases/latest
https://hub.helm.sh/

instructions:

version="3.2.1"
app="helm"
wget "https://get.helm.sh/${app}-v${version}-linux-amd64.tar.gz" -O ${app}_${version}.tar.gz
tar -zxvf ${app}_${version}.tar.gz
sudo mkdir -p /tools/${app}
sudo cp linux-amd64/${app} /tools/${app}/${app}_${version}
sudo ln -sfn /tools/${app}/${app}_${version} /usr/local/bin/${app}

test:

helm version

helm diff:

Install:

helm plugin install https://github.com/databus23/helm-diff --version master

Usage:

helm diff upgrade --allow-unreleased nginx-ingress stable/nginx-ingress -f values.yaml

link: https://github.com/databus23/helm-diff

golang-go

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

link:

https://golang.org/dl/

instructions:

apt-get: sudo apt-get install golang-go

or manual:

version="1.13.6"
app="go"
wget "https://dl.google.com/${app}/${app}${version}.linux-amd64.tar.gz" -O ${app}_${version}.tar.gz
sudo mkdir -p /tools/${app}_${version}/
sudo tar -C /tools/${app}_${version}/ -zxf ${app}_${version}.tar.gz
sudo ln -sfn /tools/${app}_${version}/ /tools/${app}/
sudo ln -sfn /tools/${app}/bin/${app} /usr/local/bin/${app}

test:

go version

Google tools: gcloud, kubectl, gsutil

Gcloud command-line tool

links:

https://cloud.google.com/sdk/docs/downloads-apt-get

instructions:

echo "deb [signed-by=/usr/share/keyrings/cloud.google.gpg] https://packages.cloud.google.com/apt cloud-sdk main" | sudo tee -a /etc/apt/sources.list.d/google-cloud-sdk.list
sudo apt-get install apt-transport-https ca-certificates gnupg
curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key --keyring /usr/share/keyrings/cloud.google.gpg add -
sudo apt-get update && sudo apt-get install google-cloud-sdk kubectl -y

test:

gcloud version

zsh

Alternative shell

apt-get install zsh

test:

zsh --version

add-ons:

ohmyzsh - Oh My Zsh will not make you a 10x developer...but you may feel like one.

links: https://ohmyz.sh
instructions:
sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

powerlevel10k - A fast reimplementation of Powerlevel9k ZSH theme

links:

https://github.com/romkatv/powerlevel10k

instructions:

git clone --depth=1 https://github.com/romkatv/powerlevel10k.git $ZSH_CUSTOM/themes/powerlevel10k
Set ZSH_THEME=powerlevel10k/powerlevel10k in your ~/.zshrc.
ohmyzsh
powerlevel10k

Zsh auto-suggestions

https://github.com/zsh-users/zsh-autosuggestions

fzf - A command-line fuzzy finder

links:

https://github.com/junegunn/fzf

instructions:

git clone --depth 1 https://github.com/junegunn/fzf.git ~/.fzf
~/.fzf/install

test:

fzf --version

kubectx/kubens

Faster way to switch between clusters and namespaces in kubectl

links:

https://github.com/ahmetb/kubectx

test:

kubectx -h  
kubens -h

kubectl-aliases

This repository contains a script to generate hundreds of convenient shell aliases for kubectl, so you no longer need to spell out every single command and --flag over and over again.

link:

https://github.com/ahmetb/kubectl-aliases

instructions:

git clone https://github.com/ahmetb/kubectl-aliases.git
cp kubectl-aliases/.kubectl_aliases ~

cat << FOE >> ~/.zshrc

#kubectl_aliases function to print command
function kubectl() { echo "+ kubectl $@">&2; command kubectl $@; }

#kubectl_aliases
[ -f ~/.kubectl_aliases ] && source ~/.kubectl_aliases
FOE

cat << FOE >> ~/.bashrc

#kubectl_aliases function to print command
function kubectl() { echo "+ kubectl $@">&2; command kubectl $@; }

#kubectl_aliases
[ -f ~/.kubectl_aliases ] && source ~/.kubectl_aliases
FOE

test:

k version

stern

Stern allows you to tail multiple pods on Kubernetes and multiple containers within the pod

link:

https://github.com/wercker/stern

instructions:

version="1.11.0"
app="stern"
sudo mkdir -p /tools/${app}/
wget "https://github.com/wercker/stern/releases/download/${version}/${app}_linux_amd64" -O ${app}_${version}

sudo cp ${app}_${version} /tools/${app}/${app}_${version}
sudo chmod +x /tools/${app}/${app}_${version}
sudo ln -sfn /tools/${app}/${app}_${version} /usr/local/bin/${app}

test:

stern -v

kube-ps1

Kubernetes prompt for bash and zsh

link:

https://github.com/jonmosco/kube-ps1

instructions: follow documentation

kubectl-debug

Debug your pod by a new container with every troubleshooting tools pre-installed

link:

https://github.com/aylei/kubectl-debug

instructions:

version="0.1.1"
app="kubectl-debug"
sudo mkdir -p /tools/${app}/
wget "https://github.com/aylei/kubectl-debug/releases/download/v${version}/${app}_${version}_linux_amd64.tar.gz" -O ${app}_${version}

sudo cp ${app}_${version} /tools/${app}/${app}_${version}
sudo chmod +x /tools/${app}/${app}_${version}
sudo ln -sfn /tools/${app}/${app}_${version} /usr/local/bin/${app}

visual studio Code

extensions

Name: VSCode Dimmer Block Id: imagio.vscode-dimmer-block Description: Highlights the block containing the cursor, dims other text. Version: 2.2.0 Publisher: imagio VS Marketplace Link: https://marketplace.visualstudio.com/items?itemName=imagio.vscode-dimmer-block

Name: VSCode Essentials Id: jabacchetta.vscode-essentials Description: Turn VSCode into a supercharged IDE. Version: 1.3.4 Publisher: jabacchetta VS Marketplace Link: https://marketplace.visualstudio.com/items?itemName=jabacchetta.vscode-essentials

to do

  • Add krew to install plugins for kubectl