A handy helm3 deployment tool
Project description
Kuploy - a handy helm3 deployment tool
Kuploy is a wrapper around helm that adds a lot of convenient features. It allows to store everything that is needed to deploy to kubernetes in one place.
Features
- store chart names and versions along with values into yaml files and deploy from this files
- Verify that the correct kubeconfig is active
- Auto-Select a kube config for a deployment
- Simple and secure secret management
- Install docker secrets before installing a chart
- Apply k8s yamls before/after a chart is installed
- Use local charts and charts from repositories
- Automatically add and refresh chart repositories
- Point to the correct location in a chart in case of an error
Installation
pip install kuploy
Usage
Deploy all charts from a yaml:
kuploy mystack.yaml
Secret handling
Kuploy creates an AES master key that is stored as secret in kubernetes. Whenever a secret is encrypted or decrypted, the master key is queried from kubernetes. That means that every user with access to a particular kubernetes context is able to encrypt and decrypt secrets.
Initialize the master key
Create an AES masterkey to encrypt secrets:
kuploy secrets --context testcluster --init-masterkey
This allows to create a new master key or to restore a previously generated one. A new master key should be backed up on a secure location (e.g. a password database).
Encrypt a secret
kuploy secrets --context testcluster --encrypt
Queries for a secret and encrypts it. Instead of a secret, a number can be entered to create a random secret and encrypt it.
A secret looks like <SECRET>+GO41xBf2X7dHtjTk+OTQ7g=
. It can be used as value in a deployment yaml and will be decrypted during deployment.
Yaml format
context: testcluster
charts:
- name: victoria-metrics-k8s-stack
namespace: monitoring
chart:
repo: https://victoriametrics.github.io/helm-charts/
name: victoria-metrics-k8s-stack
version: 0.6.1
values:
grafana:
enabled: false
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