Files
flagger/test/skipper/test-canary.sh
Sanskar Jaiswal 5dc336d609 bump podinfo to 6.0.x and loadtester to 0.22.0
Signed-off-by: Sanskar Jaiswal <sanskar.jaiswal@weave.works>
2022-03-09 20:19:39 +05:30

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#!/usr/bin/env bash
# This script runs e2e tests for Skipper canary initialization, analysis and promotion
set -o errexit
REPO_ROOT=$(git rev-parse --show-toplevel)
echo '>>> Creating ingress'
cat <<EOF | kubectl apply -f -
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: podinfo-ingress
namespace: test
labels:
app: podinfo
annotations:
kubernetes.io/ingress.class: "skipper"
spec:
rules:
- host: "app.example.com"
http:
paths:
- pathType: Prefix
path: "/"
backend:
service:
name: podinfo-service
port:
number: 80
EOF
echo '>>> Creating canary'
cat <<EOF | kubectl apply -f -
apiVersion: flagger.app/v1beta1
kind: Canary
metadata:
name: podinfo
namespace: test
spec:
provider: skipper
targetRef:
apiVersion: apps/v1
kind: Deployment
name: podinfo
ingressRef:
apiVersion: networking.k8s.io/v1
kind: Ingress
name: podinfo-ingress
service:
name: podinfo-service
port: 80
targetPort: http
analysis:
interval: 15s
threshold: 5
maxWeight: 100
stepWeight: 10
metrics:
- name: request-success-rate
interval: 15s
thresholdRange:
min: 99
- name: request-duration
interval: 15s
thresholdRange:
max: 500
webhooks:
- name: acceptance-test
type: pre-rollout
url: http://flagger-loadtester.test/
timeout: 10s
metadata:
type: bash
cmd: "curl -sd 'test' http://podinfo-service-canary/token | grep token"
- name: "load test"
type: rollout
url: http://flagger-loadtester.test/
timeout: 5s
metadata:
type: cmd
cmd: "hey -z 10m -q 10 -c 2 -host app.example.com http://skipper-ingress.kube-system"
EOF
echo '>>> Waiting for primary to be ready'
retries=50
count=0
ok=false
until ${ok}; do
kubectl -n test get canary/podinfo | grep 'Initialized' && ok=true || ok=false
sleep 5
count=$(($count + 1))
if [[ ${count} -eq ${retries} ]]; then
kubectl -n flagger-system logs deployment/flagger
echo "No more retries left"
exit 1
fi
done
echo '✔ Canary initialization test passed'
echo '>>> Triggering canary deployment'
kubectl -n test set image deployment/podinfo podinfod=ghcr.io/stefanprodan/podinfo:6.0.1
echo '>>> Waiting for canary promotion'
retries=50
count=0
ok=false
until ${ok}; do
kubectl -n test describe deployment/podinfo-primary | grep '6.0.1' && ok=true || ok=false
sleep 10
kubectl -n flagger-system logs deployment/flagger --tail 1
count=$(($count + 1))
if [[ ${count} -eq ${retries} ]]; then
kubectl -n test describe deployment/podinfo
kubectl -n test describe deployment/podinfo-primary
kubectl -n flagger-system logs deployment/flagger
echo "No more retries left"
exit 1
fi
done
echo '✔ Canary promotion test passed'