mirror of
https://github.com/fluxcd/flagger.git
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317 lines
8.0 KiB
Bash
Executable File
317 lines
8.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# This script runs e2e tests for Canary, B/G and A/B initialization, analysis and promotion
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# Prerequisites: Kubernetes Kind, Helm and Istio
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set -o errexit
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REPO_ROOT=$(git rev-parse --show-toplevel)
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export KUBECONFIG="$(kind get kubeconfig-path --name="kind")"
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echo '>>> Creating test namespace'
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kubectl create namespace test
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kubectl label namespace test istio-injection=enabled
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echo '>>> Installing the load tester'
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kubectl apply -k ${REPO_ROOT}/kustomize/tester
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kubectl -n test rollout status deployment/flagger-loadtester
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echo '>>> Initialising canary'
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kubectl apply -f ${REPO_ROOT}/test/e2e-workload.yaml
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cat <<EOF | kubectl apply -f -
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apiVersion: flagger.app/v1alpha3
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kind: Canary
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metadata:
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name: podinfo
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namespace: test
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spec:
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targetRef:
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apiVersion: apps/v1
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kind: Deployment
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name: podinfo
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progressDeadlineSeconds: 60
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service:
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port: 9898
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portDiscovery: true
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headers:
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request:
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add:
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x-envoy-upstream-rq-timeout-ms: "15000"
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x-envoy-max-retries: "10"
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x-envoy-retry-on: "gateway-error,connect-failure,refused-stream"
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canaryAnalysis:
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interval: 15s
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threshold: 15
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maxWeight: 30
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stepWeight: 10
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metrics:
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- name: request-success-rate
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threshold: 99
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interval: 1m
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- name: request-duration
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threshold: 500
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interval: 30s
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- name: "404s percentage"
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threshold: 5
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interval: 1m
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query: |
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100 - sum(
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rate(
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istio_requests_total{
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reporter="destination",
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destination_workload_namespace=~"test",
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destination_workload=~"podinfo",
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response_code!="404"
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}[1m]
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)
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)
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/
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sum(
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rate(
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istio_requests_total{
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reporter="destination",
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destination_workload_namespace=~"test",
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destination_workload=~"podinfo"
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}[1m]
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)
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) * 100
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webhooks:
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- name: load-test
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url: http://flagger-loadtester.test/
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timeout: 5s
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metadata:
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type: cmd
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cmd: "hey -z 10m -q 10 -c 2 http://podinfo.test:9898/"
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logCmdOutput: "true"
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EOF
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echo '>>> Waiting for primary to be ready'
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retries=50
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count=0
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ok=false
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until ${ok}; do
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kubectl -n test get canary/podinfo | grep 'Initialized' && ok=true || ok=false
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sleep 5
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count=$(($count + 1))
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if [[ ${count} -eq ${retries} ]]; then
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kubectl -n istio-system logs deployment/flagger
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echo "No more retries left"
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exit 1
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fi
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done
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echo '✔ Canary initialization test passed'
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echo '>>> Triggering canary deployment'
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kubectl -n test set image deployment/podinfo podinfod=stefanprodan/podinfo:3.1.1
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echo '>>> Waiting for canary promotion'
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retries=50
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count=0
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ok=false
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until ${ok}; do
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kubectl -n test describe deployment/podinfo-primary | grep '3.1.1' && ok=true || ok=false
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sleep 10
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kubectl -n istio-system logs deployment/flagger --tail 1
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count=$(($count + 1))
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if [[ ${count} -eq ${retries} ]]; then
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kubectl -n test describe deployment/podinfo
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kubectl -n test describe deployment/podinfo-primary
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kubectl -n istio-system logs deployment/flagger
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echo "No more retries left"
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exit 1
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fi
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done
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echo '>>> Waiting for canary finalization'
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retries=50
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count=0
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ok=false
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until ${ok}; do
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kubectl -n test get canary/podinfo | grep 'Succeeded' && ok=true || ok=false
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sleep 5
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count=$(($count + 1))
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if [[ ${count} -eq ${retries} ]]; then
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kubectl -n istio-system logs deployment/flagger
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echo "No more retries left"
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exit 1
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fi
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done
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echo '✔ Canary promotion test passed'
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if [[ "$1" = "canary" ]]; then
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exit 0
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fi
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cat <<EOF | kubectl apply -f -
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apiVersion: flagger.app/v1alpha3
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kind: Canary
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metadata:
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name: podinfo
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namespace: test
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spec:
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targetRef:
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apiVersion: apps/v1
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kind: Deployment
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name: podinfo
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progressDeadlineSeconds: 60
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service:
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portDiscovery: true
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port: 80
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targetPort: 9898
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portName: http-podinfo
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canaryAnalysis:
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interval: 10s
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threshold: 5
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iterations: 5
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metrics:
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- name: request-success-rate
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threshold: 99
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interval: 1m
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- name: request-duration
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threshold: 500
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interval: 30s
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webhooks:
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- name: http-acceptance-test
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type: pre-rollout
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url: http://flagger-loadtester.test/
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timeout: 30s
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metadata:
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type: bash
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cmd: "curl -sd 'test' http://podinfo-canary/token | grep token"
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- name: grpc-acceptance-test
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type: pre-rollout
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url: http://flagger-loadtester.test/
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timeout: 30s
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metadata:
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type: bash
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cmd: "grpc_health_probe -connect-timeout=1s -addr=podinfo-canary:9999"
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- name: load-test
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url: http://flagger-loadtester.test/
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timeout: 5s
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metadata:
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type: cmd
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cmd: "hey -z 5m -q 10 -c 2 http://podinfo-canary.test/"
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EOF
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echo '>>> Triggering B/G deployment'
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kubectl -n test set image deployment/podinfo podinfod=stefanprodan/podinfo:3.1.2
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echo '>>> Waiting for B/G promotion'
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retries=50
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count=0
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ok=false
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until ${ok}; do
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kubectl -n test describe deployment/podinfo-primary | grep '3.1.2' && ok=true || ok=false
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sleep 10
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kubectl -n istio-system logs deployment/flagger --tail 1
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count=$(($count + 1))
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if [[ ${count} -eq ${retries} ]]; then
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kubectl -n test describe deployment/podinfo
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kubectl -n test describe deployment/podinfo-primary
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kubectl -n istio-system logs deployment/flagger
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echo "No more retries left"
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exit 1
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fi
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done
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echo '>>> Waiting for B/G finalization'
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retries=50
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count=0
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ok=false
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until ${ok}; do
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kubectl -n test get canary/podinfo | grep 'Succeeded' && ok=true || ok=false
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sleep 5
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count=$(($count + 1))
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if [[ ${count} -eq ${retries} ]]; then
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kubectl -n istio-system logs deployment/flagger
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echo "No more retries left"
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exit 1
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fi
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done
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echo '✔ B/G promotion test passed'
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cat <<EOF | kubectl apply -f -
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apiVersion: flagger.app/v1alpha3
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kind: Canary
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metadata:
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name: podinfo
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namespace: test
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spec:
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targetRef:
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apiVersion: apps/v1
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kind: Deployment
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name: podinfo
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progressDeadlineSeconds: 60
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service:
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portDiscovery: true
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port: 80
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portName: http-podinfo
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targetPort: http
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canaryAnalysis:
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interval: 10s
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threshold: 5
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iterations: 5
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match:
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- headers:
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cookie:
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regex: "^(.*?;)?(type=insider)(;.*)?$"
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metrics:
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- name: request-success-rate
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threshold: 99
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interval: 1m
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- name: request-duration
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threshold: 500
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interval: 30s
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webhooks:
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- name: pre
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type: pre-rollout
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url: http://flagger-loadtester.test/
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timeout: 5s
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metadata:
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type: cmd
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cmd: "hey -z 10m -q 10 -c 2 -H 'Cookie: type=insider' http://podinfo-canary.test/"
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logCmdOutput: "true"
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- name: promote-gate
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type: confirm-promotion
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url: http://flagger-loadtester.test/gate/approve
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- name: post
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type: post-rollout
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url: http://flagger-loadtester.test/
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timeout: 15s
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metadata:
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type: cmd
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cmd: "curl -s http://podinfo.test/"
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logCmdOutput: "true"
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EOF
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echo '>>> Triggering A/B testing'
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kubectl -n test set image deployment/podinfo podinfod=stefanprodan/podinfo:3.1.3
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echo '>>> Waiting for A/B testing promotion'
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retries=50
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count=0
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ok=false
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until ${ok}; do
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kubectl -n test describe deployment/podinfo-primary | grep '3.1.3' && ok=true || ok=false
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sleep 10
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kubectl -n istio-system logs deployment/flagger --tail 1
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count=$(($count + 1))
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if [[ ${count} -eq ${retries} ]]; then
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kubectl -n test describe deployment/podinfo
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kubectl -n test describe deployment/podinfo-primary
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kubectl -n istio-system logs deployment/flagger
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echo "No more retries left"
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exit 1
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fi
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done
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echo '✔ A/B testing promotion test passed'
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kubectl -n istio-system logs deployment/flagger
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echo '✔ All tests passed'
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