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👷 Add high-level E2E test steps for Skipper
Add e2e-skipper* files for test setup It does the following things: * install Skipper ingress with Kustomize * load Flagger image onto the local cluster * install Flagger and Prometheus in the flagger-system namespace
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apiVersion: kustomize.config.k8s.io/v1beta1 | ||
kind: Kustomization | ||
resources: | ||
- ../base/prometheus/ | ||
- ../base/flagger/ | ||
- https://raw.githubusercontent.com/zalando/skipper/master/docs/kubernetes/deploy/deployment/rbac.yaml | ||
- https://raw.githubusercontent.com/zalando/skipper/master/docs/kubernetes/deploy/deployment/service.yaml | ||
- https://raw.githubusercontent.com/zalando/skipper/master/docs/kubernetes/deploy/deployment/deployment.yaml | ||
- namespace.yaml | ||
patchesStrategicMerge: | ||
- patch.yaml | ||
patches: | ||
- target: | ||
kind: Deployment | ||
name: skipper-ingress | ||
patch: |- | ||
apiVersion: apps/v1 | ||
kind: Deployment | ||
metadata: | ||
name: skipper-ingress | ||
spec: | ||
template: | ||
metadata: | ||
annotations: | ||
prometheus.io/path: /metrics | ||
prometheus.io/port: "9911" | ||
prometheus.io/scrape: "true" | ||
spec: | ||
nodeSelector: | ||
$patch: delete | ||
affinity: | ||
$patch: delete | ||
containers: | ||
- name: skipper-ingress | ||
image: registry.opensource.zalan.do/pathfinder/skipper:latest | ||
ports: | ||
- name: metrics-port | ||
containerPort: 9911 | ||
resources: | ||
$patch: delete | ||
readinessProbe: | ||
initialDelaySeconds: 5 | ||
args: | ||
- skipper | ||
- -default-filters-prepend=enableAccessLog(4,5) | ||
- -address=:9999 | ||
- -disable-metrics-compat | ||
- -enable-connection-metrics | ||
- -enable-profile | ||
- -enable-ratelimits | ||
- -experimental-upgrade | ||
- -histogram-metric-buckets=.01,1,10,100 | ||
- -kubernetes-in-cluster | ||
- -kubernetes-path-mode=path-prefix | ||
- -kubernetes | ||
- -lb-healthcheck-interval=3s | ||
- -max-audit-body=0 | ||
- -max-idle-connection-backend=0 | ||
- -metrics-exp-decay-sample | ||
- -metrics-flavour=prometheus | ||
- -proxy-preserve-host | ||
- -route-backend-metrics | ||
- -route-backend-error-counters | ||
- -route-response-metrics | ||
- -serve-host-metrics | ||
- -serve-route-metrics | ||
- -whitelisted-healthcheck-cidr=0.0.0.0/0 # kind uses other IP addresse |
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apiVersion: v1 | ||
kind: Namespace | ||
metadata: | ||
name: flagger-system |
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apiVersion: apps/v1 | ||
kind: Deployment | ||
metadata: | ||
name: flagger | ||
spec: | ||
template: | ||
spec: | ||
containers: | ||
- name: flagger | ||
args: | ||
- -log-level=debug | ||
- -mesh-provider=kubernetes | ||
- -metrics-server=http://flagger-prometheus:9090 |
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apiVersion: flagger.app/v1beta1 | ||
kind: Canary | ||
metadata: | ||
name: podinfo | ||
namespace: test | ||
spec: | ||
provider: skipper | ||
progressDeadlineSeconds: 120 | ||
revertOnDeletion: true | ||
targetRef: | ||
apiVersion: apps/v1 | ||
kind: Deployment | ||
name: podinfo | ||
ingressRef: | ||
apiVersion: networking.k8s.io/v1beta1 | ||
kind: Ingress | ||
name: podinfo-ingress | ||
service: | ||
# service name (defaults to targetRef.name) | ||
name: podinfo-service | ||
# ClusterIP port number | ||
port: 80 | ||
# container port name or number (optional) | ||
targetPort: http | ||
# port name can be http or grpc (default http) | ||
# portName: http | ||
# add all the other container ports | ||
# to the ClusterIP services (default false) | ||
# portDiscovery: false | ||
analysis: | ||
interval: 15s | ||
threshold: 5 | ||
maxWeight: 100 | ||
stepWeight: 10 | ||
metrics: | ||
- name: request-success-rate | ||
interval: 15s | ||
# minimum req success rate (non 5xx responses) | ||
# percentage (0-100) | ||
thresholdRange: | ||
min: 99 | ||
- name: request-duration | ||
interval: 15s | ||
# maximum req duration P99 | ||
# milliseconds | ||
thresholdRange: | ||
max: 500 | ||
webhooks: | ||
- name: gate | ||
type: confirm-rollout | ||
url: http://flagger-loadtester.test/gate/approve | ||
- 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" | ||
logCmdOutput: "true" |
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#!/usr/bin/env bash | ||
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set -o errexit | ||
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REPO_ROOT=$(git rev-parse --show-toplevel) | ||
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echo '>>> Deleting Skipper Ingress' | ||
kustomize build test/skipper/ | kubectl delete -f - | ||
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echo '>>> Deleting Flagger' | ||
kubectl delete -k ${REPO_ROOT}/kustomize/kubernetes | ||
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echo '>>> Cleanup test namespace' | ||
kubectl delete namespace test --ignore-not-found=true |
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#!/usr/bin/env bash | ||
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# This script runs e2e tests for Canary initialization, analysis and promotion | ||
# Prerequisites: Kubernetes Kind and Skipper ingress controller | ||
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set -o errexit | ||
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REPO_ROOT=$(git rev-parse --show-toplevel) | ||
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echo '>>> Creating test namespace' | ||
kubectl create namespace test || true | ||
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echo '>>> Initialising workload' | ||
kubectl apply -f ${REPO_ROOT}/test/e2e-workload.yaml | ||
kubectl apply -f ${REPO_ROOT}/test/e2e-workload-ingress.yaml | ||
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echo '>>> Installing load tester' | ||
kubectl apply -k ${REPO_ROOT}/kustomize/tester | ||
kubectl -n test rollout status deployment/flagger-loadtester | ||
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echo '>>> Create canary CRD' | ||
kubectl apply -f ${REPO_ROOT}/test/e2e-skipper-canary.yaml | ||
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 | ||
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echo '✔ Canary initialization test passed' | ||
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echo '>>> Triggering canary deployment' | ||
kubectl -n test set image deployment/podinfo podinfod=stefanprodan/podinfo:3.1.1 | ||
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echo '>>> Waiting for canary promotion' | ||
retries=50 | ||
count=0 | ||
ok=false | ||
failed=false | ||
until ${ok}; do | ||
kubectl -n test get canary/podinfo | grep 'Failed' && failed=true || failed=false | ||
if ${failed}; then | ||
kubectl -n flagger-system logs deployment/flagger | ||
echo "Canary failed!" | ||
exit 1 | ||
fi | ||
kubectl -n test describe deployment/podinfo-primary | grep '3.1.1' && ok=true || ok=false | ||
sleep 10 | ||
kubectl -n flagger-system logs deployment/flagger --tail 1 | ||
count=$(($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 | ||
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echo '>>> Waiting for canary finalization' | ||
retries=50 | ||
count=0 | ||
ok=false | ||
until ${ok}; do | ||
kubectl -n test get canary/podinfo | grep 'Succeeded' && ok=true || ok=false | ||
sleep 5 | ||
count=$(($count + 1)) | ||
if [[ ${count} -eq ${retries} ]]; then | ||
kubectl -n flagger-system logs deployment/flagger | ||
echo "No more retries left" | ||
exit 1 | ||
fi | ||
done | ||
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echo '✔ Canary promotion test passed' |
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#!/usr/bin/env bash | ||
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set -o errexit | ||
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REPO_ROOT=$(git rev-parse --show-toplevel) | ||
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echo '>>> Loading Flagger image' | ||
kind load docker-image test/flagger:latest | ||
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echo '>>> Installing Skipper Ingress, Flagger and Prometheus' | ||
# use kustomize to avoid compatibility issues: | ||
# https://github.com/kubernetes-sigs/kustomize/issues/2390 | ||
# Skipper will throw an Prometheus warning which can be ignored: | ||
# https://github.com/weaveworks/flagger/issues/664 | ||
kustomize build ${REPO_ROOT}/kustomize/skipper | kubectl apply -f - | ||
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kubectl rollout status deployment/skipper-ingress -n kube-system | ||
kubectl rollout status deployment/flagger-prometheus -n flagger-system | ||
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kubectl -n flagger-system set image deployment/flagger flagger=test/flagger:latest | ||
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kubectl -n flagger-system rollout status deployment/flagger |
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apiVersion: networking.k8s.io/v1beta1 | ||
kind: Ingress | ||
metadata: | ||
name: podinfo-ingress | ||
namespace: test | ||
labels: | ||
app: podinfo | ||
annotations: | ||
kubernetes.io/ingress.class: skipper | ||
spec: | ||
rules: | ||
- host: app.example.com | ||
http: | ||
paths: | ||
- backend: | ||
serviceName: podinfo-service | ||
servicePort: 80 |
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#!/usr/bin/env bash | ||
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REPO_ROOT=$(git rev-parse --show-toplevel) | ||
cd $REPO_ROOT | ||
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# make test | ||
make build | ||
docker tag weaveworks/flagger:latest test/flagger:latest | ||
make loadtester-build | ||
(kind get clusters && kubectl delete ns/test --force) || kind create cluster --wait 5m --image kindest/node:v1.16.9 | ||
./test/e2e-skipper.sh | ||
# port forward prometheus UI to localhost:9090 | ||
kubectl port-forward $(kubectl get pods -l=app=flagger-prometheus -o name -n flagger-system | head -n 1) 9090:9090 -n flagger-system & | ||
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./test/e2e-skipper-tests.sh |