KDT (k8s devops toolkit)

Summary

• Install
• Usages
  • Build Image
  • Start container
  • Configuration
    • First init of GCloud
    • Add and authenticate GKE Cluster
  • List of commands
    • Glogals
    • Defaults
    • Publishing
    • Global parameters
  • List of container alias
• Advanced usage
• Contribute

Install

1. Clone this project repository into your computer.

2. To add to your to your favorite shell the KDT alias to access quickly to the batch of commands, launch one of those lines, depending of your shell.

   # For ZSH
   echo "alias kdt=\"`make print-alias`\"" >> ~/.zshrc
   
   # For Bash
   echo "alias kdt=\"`make print-alias`\"" >> ~/.bashrc

3. Build your image and configure your Kubernetes clusters

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Usages

Using the basic Docker images permite to have the simplest way to start the KDT tools and ansure all configs, auth files are saved into the current user home directory.

Build Image

Build images is used when you install for the first time or after the update of the project.

# Into the the project folder
make build

# From everywhere with the alias
kdt build

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Start container

To start a container with all tools

# Into the the project folder
make attach [FOLDER=<folder-path-to-mount>] [PORT=<port-number>] [DEBUG=false|*]

# From everywhere with the alias
## FOLDER parameter is automaticaly set with 'kdt' alias with the current folder
kdt attach [PORT=<port-number>] [DEBUG=false|*]

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Configuration

First init of GCloud

# Go into the container
kdt attach

# Follow the instruction of the command gcloud init
gcloud init

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Add and authenticate GKE Cluster

# The authentication command looks like this:
gcloud container clusters get-credentials <CLUSTER_NAME> --region <REGION> --project <PROJECT_NAME>

# To help you during Operational phase, rename the cluster name like this example:
kx production=gke_kogus-production_europe-west1_pkub

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List of commands

Glogals

• build : Build local docker image of KDT
• clean : Remove other images of KDT
• remove : Remove local docker image of KDT
• attach: Start a container of image KDT in interactive mode
  • FOLDER (default: false, ex: /my/folder/path)
    Define the folder to mount into the container.
    If you'r using the shell alias kdt this variable is set with the current folder.
  • PORT (default: false, ex: 2222 or 8080,9090)
    Define the port binded on the host to give access to your web browser or your ssh client.
  • DOCKER (default: false, ex: true)
    Set if you need to mount the docker daemon socket into the container.

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Default

• help : Display help
• print-alias : Print shortcut command for your alias file
• version : Get the current version

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Publishing

• publish : Publish images into the registry
• version-bump : Bump version
  • BUMP_TYPE (values: major | minor | patch)
    Define witch type of bump you want to apply.

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Global parameters

• DEBUG (default: false, ex: 1)
  Display all information from Docker command into the prompt.

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List of container alias

Kube

• k, kc : kubectl
• ke : kubectl exec -it
• kpf : kubectl port-forward --address=0.0.0.0
• logs : kubectl logs
• nodes : kubectl get nodes
• pods : kubectl get pods
• jobs : kubectl get jobs
• np : kubectl get networkpolicies
• secrets : kubectl get secrets
• services : kubectl get services
• kp : kubeon
• nokp : kubeoff
• sa : kubectl get serviceaccounts
• kx : kubectx
• kn : kubens

Network

• telnet : busybox-extras telnet

Other

• l : ls -CF
• la : ls -A
• ll : ls -alF
• ls : ls --color=auto
• bat : cat with wings and syntax highlighting, for yaml, md ...

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Advanced usage

Here, found all usecases usefull commands.

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Contribute

The best practice is to make a Merge Request.

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