KubeService
A simple CRD controller for micro-service management.
What's KubeService
KubeService is a CRD controller build on KubeBuilder,
and this define some CR in kubernetes like: App、MicroService for micro-service management easier .
The logical structure like:
Feature
Deploy management
User can define a App resource to manage multiple micro services,
and use DeployVersion to making multiple versions coexist.
Load balancing configuration
User use define CurrentVersion make the current version provide services,
and define Canary to Canary Deploy other versions.
Usage
install and run
Add CRD to kubernetes:
make installrun controller on local
make runApp Demo
apiVersion: app.o0w0o.cn/v1
kind: App
metadata:
name: voting-sample
spec:
microServices:
- name: voting-web
spec:
loadBalance:
service:
name: voting-web
spec:
ports:
- protocol: TCP
port: 80
targetPort: 80
ingress:
name: voting-web
spec:
rules:
- host: voting.o0w0o.cn
http:
paths:
- path: /
backend:
serviceName: voting-web
servicePort: 80
versions:
- name: v1
template:
replicas: 2
selector:
matchLabels:
app: voting-web
template:
metadata:
labels:
app: voting-web
spec:
containers:
- image: daocloud.io/w0v0w/voting-demo-voting:v1
name: voting-web
- name: v2
canary:
weight: 30
template:
replicas: 1
selector:
matchLabels:
app: voting-web-for-kid
template:
metadata:
labels:
app: voting-web-for-kid
spec:
containers:
- image: daocloud.io/w0v0w/voting-demo-voting:v2
name: voting-web-for-kid
currentVersionName: v1
- name: voting-result
spec:
loadBalance:
service:
name: voting-result
spec:
ports:
- protocol: TCP
port: 80
targetPort: 80
ingress:
name: voting-result
spec:
rules:
- host: result.voting.o0w0o.cn
http:
paths:
- path: /
backend:
serviceName: voting-result
servicePort: 80
versions:
- name: v1
template:
replicas: 1
selector:
matchLabels:
app: voting-result
template:
metadata:
labels:
app: voting-result
spec:
containers:
- image: daocloud.io/w0v0w/voting-demo-result:v1
name: voting-result
currentVersionName: v1
---
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: redis
name: redis
spec:
replicas: 1
selector:
matchLabels:
app: redis
template:
metadata:
labels:
app: redis
spec:
containers:
- image: redis
name: redis
---
apiVersion: v1
kind: Service
metadata:
labels:
app: redis
name: redis
spec:
ports:
- port: 6379
protocol: TCP
targetPort: 6379
selector:
app: redis