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demo-canary.sh
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#!/usr/bin/env bash
# 0. Prepare namespace and mesh config
kubectl create ns mesh-service
emctl apply -f deploy/mesh/easemesh_tenant.yaml
emctl apply -f deploy/mesh/easemesh_order.yaml
emctl apply -f meshdemo-restaurant/easemesh_restaurant.yaml
emctl apply -f deploy/mesh/easemesh_delivery.yaml
# 1. Deploy primary stack
kubectl apply -f deploy/mesh/k8s_order.yaml
kubectl apply -f meshdemo-restaurant/k8s_restaurant.yaml
kubectl apply -f deploy/mesh/k8s_delivery.yaml
# Primary traffic
curl http://127.0.0.1:30188/ -d '{"order_id": "abc1234", "food": "bread"}'
# 2. Deploy canary Delivery Beijing (Green)
kubectl apply -f deploy/mesh/k8s_delivery_beijing.yaml
echo '
apiVersion: mesh.megaease.com/v1alpha1
kind: ServiceCanary
metadata:
name: beijing
spec:
priority: 3
selector:
matchServices: [delivery-mesh]
matchInstanceLabels: {release: delivery-mesh-beijing}
trafficRules:
headers:
X-Location:
exact: Beijing
' | emctl apply -f -
# Beijing traffic
curl http://127.0.0.1:30188/ -d '{"order_id": "abc1234", "food": "bread"}' -H 'X-Location: Beijing'
# 3. Deploy canary Restaurant/Delivery Android
kubectl apply -f deploy/mesh/k8s_delivery_android.yaml
kubectl apply -f meshdemo-restaurant/k8s_restaurant_android.yaml
echo '
apiVersion: mesh.megaease.com/v1alpha1
kind: ServiceCanary
metadata:
name: android
spec:
priority: 2
selector:
matchServices: [restaurant-mesh, delivery-mesh]
matchInstanceLabels: {release: refund-android}
trafficRules:
headers:
X-Phone-Os:
exact: Android
' | emctl apply -f -
# Android traffic
curl http://127.0.0.1:30188/ -d '{"order_id": "abc1234", "food": "bread"}' -H 'X-Phone-Os: Android'
# 4. Deploy canary Restaurant Beijing&Android
kubectl apply -f meshdemo-restaurant/k8s_restaurant_beijing_android.yaml
echo '
apiVersion: mesh.megaease.com/v1alpha1
kind: ServiceCanary
metadata:
name: beijing-android
spec:
priority: 1
selector:
matchServices: [restaurant-mesh]
matchInstanceLabels: {release: restaurant-mesh-beijing-android}
trafficRules:
headers:
X-Location:
exact: Beijing
X-Phone-Os:
exact: Android
' | emctl apply -f -
# Beijing&Android traffic
curl http://127.0.0.1:30188/ -d '{"order_id": "abc1234", "food": "bread"}' -H 'X-Location: Beijing' -H 'X-Phone-Os: Android'
# 5. Change priorty
echo '
apiVersion: mesh.megaease.com/v1alpha1
kind: ServiceCanary
metadata:
name: beijing-android
spec:
priority: 2
selector:
matchServices: [restaurant-mesh]
matchInstanceLabels: {release: restaurant-mesh-beijing-android}
trafficRules:
headers:
X-Location:
exact: Beijing
X-Phone-Os:
exact: Android
' | emctl apply -f -
echo '
apiVersion: mesh.megaease.com/v1alpha1
kind: ServiceCanary
metadata:
name: android
spec:
priority: 1
selector:
matchServices: [restaurant-mesh, delivery-mesh]
matchInstanceLabels: {release: refund-android}
trafficRules:
headers:
X-Phone-Os:
exact: Android
' | emctl apply -f -
# Check all kinds of traffic.
# Primary Traffic
curl http://127.0.0.1:30188/ -d '{"order_id": "abc1234", "food": "bread"}'
# Beijing Traffic
curl http://127.0.0.1:30188/ -d '{"order_id": "abc1234", "food": "bread"}' -H 'X-Location: Beijing'
# Android Traffic
curl http://127.0.0.1:30188/ -d '{"order_id": "abc1234", "food": "bread"}' -H 'X-Phone-Os: Android'
# Beijing&Android traffic
curl http://127.0.0.1:30188/ -d '{"order_id": "abc1234", "food": "bread"}' -H 'X-Location: Beijing' -H 'X-Phone-Os: Android'