feat: add service discovery, OTel instrumentation, and k6 load tests (#1)
This commit was merged in pull request #1.
This commit is contained in:
66
k6/load-test.js
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66
k6/load-test.js
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import http from 'k6/http';
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import { check, sleep, group } from 'k6';
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const vus = parseInt(__ENV.TEST_VUS || '10');
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const duration = __ENV.TEST_DURATION || '30s';
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const targetUrl = __ENV.TARGET_URL || 'http://frontend.demo-apps.svc.cluster.local:80';
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export const options = {
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scenarios: {
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load_test: {
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executor: 'ramping-vus',
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startVUs: 0,
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stages: [
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{ duration: '10s', target: vus },
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{ duration: duration, target: vus },
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{ duration: '5s', target: 0 },
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],
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},
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},
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thresholds: {
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http_req_duration: ['p(95)<500'],
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http_req_failed: ['rate<0.01'],
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},
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};
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http.setResponseCallback(http.expectedStatuses({ min: 200, max: 399 }));
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export default function () {
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group('Welcome Page', () => {
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const res = http.get(`${targetUrl}/`);
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check(res, {
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'status is 200': (r) => r.status === 200,
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'response time < 500ms': (r) => r.timings.duration < 500,
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});
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});
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group('Owner API', () => {
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const ownerCreationRes = http.post(`${targetUrl}/owners/new`, 'firstName=John&lastName=Doe&address=123+Main+St&city=Springfield&telephone=1234567890');
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check(ownerCreationRes, {
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'status is 302': (r) => r.status === 302,
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});
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const ownerSearchRes = http.get(`${targetUrl}/owners?lastName=Doe`);
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check(ownerSearchRes, {
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'status is 200': (r) => r.status === 200,
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'response time < 500ms': (r) => r.timings.duration < 500,
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});
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});
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group('Vet API', () => {
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const vetListRes = http.get(`${targetUrl}/vets`);
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check(vetListRes, {
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'status is 200': (r) => r.status === 200,
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'response time < 500ms': (r) => r.timings.duration < 500,
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});
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});
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group('System API', () => {
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const crashRes = http.get(`${targetUrl}/oups`, { responseCallback: http.expectedStatuses(500) });
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check(crashRes, {
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'status is 500': (r) => r.status === 500,
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});
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});
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sleep(0.5);
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}
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24
k6/testrun.yaml
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24
k6/testrun.yaml
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apiVersion: k6.io/v1alpha1
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kind: TestRun
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metadata:
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name: k6-demo-principal-1
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namespace: demo-apps
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labels:
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app: demo-principal-1
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backstage.io/component: demo-principal-1
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app.kubernetes.io/managed-by: backstage
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app.kubernetes.io/component: load-testing
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spec:
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parallelism: 1
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script:
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configMap:
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name: k6-test-demo-principal-1
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file: load-test.js
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runner:
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image: grafana/k6:latest
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envFrom:
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- configMapRef:
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name: k6-test-demo-principal-1
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env:
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- name: K6_OTEL_SERVICE_NAME
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value: k6-demo-principal-1
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41
overlays/deploy/k6-configmap.yaml
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41
overlays/deploy/k6-configmap.yaml
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: k6-test-demo-principal-1
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namespace: demo-apps
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labels:
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app: demo-principal-1
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app.kubernetes.io/managed-by: backstage
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app.kubernetes.io/component: load-testing
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data:
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K6_OUT: opentelemetry
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K6_OTEL_GRPC_EXPORTER_INSECURE: 'true'
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K6_OTEL_GRPC_EXPORTER_ENDPOINT: otel-collector.monitoring.svc.cluster.local:4317
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K6_OTEL_METRIC_PREFIX: k6_
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K6_OTEL_FLUSH_INTERVAL: '1000'
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K6_OTEL_EXPORT_INTERVAL: '5000'
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K6_OTEL_SERVICE_NAME: k6-demo-principal-1
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load-test.js: "import http from 'k6/http';\nimport { check, sleep, group } from\
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\ 'k6';\n\nconst vus = parseInt(__ENV.TEST_VUS || '10');\nconst duration = __ENV.TEST_DURATION\
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\ || '30s';\nconst targetUrl = __ENV.TARGET_URL || 'http://frontend.demo-apps.svc.cluster.local:80';\n\
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\nexport const options = {\n scenarios: {\n load_test: {\n executor:\
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\ 'ramping-vus',\n startVUs: 0,\n stages: [\n { duration: '10s',\
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\ target: vus },\n { duration: duration, target: vus },\n { duration:\
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\ '5s', target: 0 },\n ],\n },\n },\n thresholds: {\n http_req_duration:\
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\ ['p(95)<500'],\n http_req_failed: ['rate<0.01'],\n },\n};\n\nhttp.setResponseCallback(http.expectedStatuses({\
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\ min: 200, max: 399 }));\n\nexport default function () {\n group('Welcome Page',\
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\ () => {\n const res = http.get(`${targetUrl}/`);\n check(res, {\n \
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\ 'status is 200': (r) => r.status === 200,\n 'response time < 500ms': (r)\
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\ => r.timings.duration < 500,\n });\n });\n\n group('Owner API', () => {\n\
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\ const ownerCreationRes = http.post(`${targetUrl}/owners/new`, 'firstName=John&lastName=Doe&address=123+Main+St&city=Springfield&telephone=1234567890');\n\
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\ check(ownerCreationRes, {\n 'status is 302': (r) => r.status === 302,\n\
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\ });\n\n const ownerSearchRes = http.get(`${targetUrl}/owners?lastName=Doe`);\n\
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\ check(ownerSearchRes, {\n 'status is 200': (r) => r.status === 200,\n\
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\ 'response time < 500ms': (r) => r.timings.duration < 500,\n });\n });\n\
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\n group('Vet API', () => {\n const vetListRes = http.get(`${targetUrl}/vets`);\n\
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\ check(vetListRes, {\n 'status is 200': (r) => r.status === 200,\n \
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\ 'response time < 500ms': (r) => r.timings.duration < 500,\n });\n });\n\
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\n group('System API', () => {\n const crashRes = http.get(`${targetUrl}/oups`,\
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\ { responseCallback: http.expectedStatuses(500) });\n check(crashRes, {\n\
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\ 'status is 500': (r) => r.status === 500,\n });\n });\n\n sleep(0.5);\n\
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}"
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14
overlays/otel/kustomization.yaml
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14
overlays/otel/kustomization.yaml
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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resources:
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- ../deploy
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patches:
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- target:
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kind: Deployment
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name: petclinic
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patch: "apiVersion: apps/v1\nkind: Deployment\nmetadata:\n name: petclinic\nspec:\n\
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\ template:\n metadata:\n annotations:\n instrumentation.opentelemetry.io/inject-java:\
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\ monitoring/otel-instrumentation\n spec:\n containers:\n - name:\
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\ workload\n env:\n - name: OTEL_SERVICE_NAME\n value:\
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\ petclinic\n - name: OTEL_EXPORTER_OTLP_ENDPOINT\n value: http://otel-collector.monitoring.svc.cluster.local:4318\n\
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\ - name: OTEL_RESOURCE_ATTRIBUTES\n value: app=demo-principal-1\n"
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19
overlays/otel/patches/otel-patch.yaml
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19
overlays/otel/patches/otel-patch.yaml
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: petclinic
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spec:
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template:
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metadata:
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annotations:
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instrumentation.opentelemetry.io/inject-java: monitoring/otel-instrumentation
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spec:
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containers:
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- name: workload
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env:
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- name: OTEL_SERVICE_NAME
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value: petclinic
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- name: OTEL_EXPORTER_OTLP_ENDPOINT
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value: http://otel-collector.monitoring.svc.cluster.local:4318
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- name: OTEL_RESOURCE_ATTRIBUTES
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value: app=demo-principal-1
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