Traffic routing — VirtualService istio
Route 80% traffic to v1, 20% to v2 (canary split)
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
more istio
all 19 commands →
Traffic routing — 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
Fault injection — delay
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
Traffic mirroring
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
Install Istio (demo profile)
istioctl install --set profile=demo -y
Enable sidecar injection
kubectl label namespace default istio-injection=enabled