Маршрутизация трафика — VirtualService istio

Роутинг 80% трафика на v1, 20% на v2 (канарейка)

kubectl apply -f - <<EOF
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: myapp
spec:
  hosts:
  - myapp
  http:
  - route:
    - destination:
        host: myapp
        subset: v1
      weight: 80
    - destination:
        host: myapp
        subset: v2
      weight: 20
EOF

#istio #service-mesh #virtualservice #routing

more istio all 19 commands →

Правила назначения — DestinationRule kubectl apply -f - <<EOF apiVersion: networking.istio.io/v1alpha3 kind: DestinationRule metadata: name: myapp spec: host: myapp trafficPolicy: outlierDetection: consecutive5xxErrors: 5 interval: 10s baseEjectionTime: 30s subsets: - name: v1 labels: version: v1 - name: v2 labels: version: v2 EOF Инжект ошибок — задержка kubectl apply -f - <<EOF apiVersion: networking.istio.io/v1alpha3 kind: VirtualService metadata: name: myapp spec: hosts: - myapp http: - fault: delay: percentage: value: 100 fixedDelay: 5s route: - destination: host: myapp EOF Зеркалирование трафика kubectl apply -f - <<EOF apiVersion: networking.istio.io/v1alpha3 kind: VirtualService metadata: name: myapp spec: hosts: - myapp http: - route: - destination: host: myapp subset: v1 weight: 100 mirror: host: myapp subset: v2 mirrorPercentage: value: 100 EOF Установить Istio (demo профиль) istioctl install --set profile=demo -y Включить инжект сайдкара kubectl label namespace default istio-injection=enabled