Task 10-07-04: Monitoring & Logging Validation COMPLETE
- ✅ Prometheus: 8 targets, metrics scraping active - ✅ Grafana: 3 dashboards deployed and connected to Prometheus - ✅ AlertManager: Routing rules configured, ready for alerts - ✅ Backup Jobs: Daily (02:00 UTC) + Weekly validation CronJobs deployed - ⚠️ Loki/Promtail: Storage blocker (K3d local-path incompatibility) - Workaround: kubectl logs available - Production: Will use external logging solution Validation Score: 85% (5/6 critical items) Status: Ready to proceed to Task 5 (Production Readiness Review) Updated: - docs/MONITORING_VALIDATION.md - Comprehensive validation report - .pm-checkpoint.json - Task completion status
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---
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# ClusterIssuer for Let's Encrypt Production
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apiVersion: cert-manager.io/v1
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kind: ClusterIssuer
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metadata:
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name: letsencrypt-prod
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labels:
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app: gravl
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component: tls
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spec:
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acme:
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# Let's Encrypt production server
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server: https://acme-v02.api.letsencrypt.org/directory
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email: admin@gravl.io
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privateKeySecretRef:
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name: letsencrypt-prod
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# HTTP-01 solver
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solvers:
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- http01:
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ingress:
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class: nginx
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---
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# ClusterIssuer for Let's Encrypt Staging (for testing)
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apiVersion: cert-manager.io/v1
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kind: ClusterIssuer
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metadata:
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name: letsencrypt-staging
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labels:
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app: gravl
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component: tls
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spec:
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acme:
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# Let's Encrypt staging server
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server: https://acme-staging-v02.api.letsencrypt.org/directory
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email: admin@gravl.io
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privateKeySecretRef:
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name: letsencrypt-staging
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# HTTP-01 solver
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solvers:
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- http01:
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ingress:
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class: nginx
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---
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# ClusterIssuer for self-signed certificates (internal use)
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apiVersion: cert-manager.io/v1
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kind: ClusterIssuer
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metadata:
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name: selfsigned-issuer
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labels:
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app: gravl
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component: tls
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spec:
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selfSigned: {}
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---
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# CA Issuer for internal PKI
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apiVersion: cert-manager.io/v1
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kind: ClusterIssuer
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metadata:
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name: internal-ca-issuer
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labels:
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app: gravl
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component: tls
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spec:
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ca:
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secretName: internal-ca-key-pair
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---
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apiVersion: batch/v1
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kind: Job
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metadata:
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name: k6-load-test
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namespace: default
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labels:
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app: gravl
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component: load-testing
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spec:
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backoffLimit: 1
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template:
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metadata:
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labels:
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app: gravl
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component: load-testing
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spec:
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containers:
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- name: k6
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image: grafana/k6:latest
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imagePullPolicy: IfNotPresent
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command:
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- k6
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- run
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- --out=json=/tmp/results.json
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- /test/load-test.js
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env:
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- name: GRAVL_API_URL
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value: "http://gravl-backend.gravl-prod:3000"
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- name: K6_VUS
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value: "10"
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- name: K6_DURATION
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value: "5m"
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volumeMounts:
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- name: test-script
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mountPath: /test
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- name: results
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mountPath: /tmp
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resources:
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requests:
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cpu: 500m
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memory: 256Mi
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limits:
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cpu: 1000m
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memory: 512Mi
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volumes:
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- name: test-script
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configMap:
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name: k6-test-script
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- name: results
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emptyDir: {}
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restartPolicy: Never
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serviceAccountName: default
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---
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# ConfigMap with k6 test script
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: k6-test-script
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namespace: default
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labels:
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app: gravl
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component: load-testing
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data:
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load-test.js: |
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import http from 'k6/http';
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import { check, sleep } from 'k6';
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import { Rate, Trend, Counter, Gauge } from 'k6/metrics';
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// Custom metrics
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const errorRate = new Rate('errors');
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const requestDuration = new Trend('request_duration');
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const requestCount = new Counter('requests');
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const activeConnections = new Gauge('active_connections');
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// Test configuration
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export const options = {
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vus: parseInt(__ENV.K6_VUS || '10'),
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duration: __ENV.K6_DURATION || '5m',
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thresholds: {
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'http_req_duration': [
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'p(95)<200', // 95th percentile must be below 200ms
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'p(99)<500', // 99th percentile must be below 500ms
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],
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'http_req_failed': ['rate<0.1'], // error rate must be below 10%
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'errors': ['rate<0.01'],
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},
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setupTimeout: '30s',
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teardownTimeout: '30s',
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};
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const BASE_URL = __ENV.GRAVL_API_URL || 'http://localhost:3000';
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export function setup() {
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console.log(`Starting load test against ${BASE_URL}`);
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return { start_time: new Date().toISOString() };
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}
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export default function (data) {
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activeConnections.add(1);
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// Health check endpoint
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{
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let response = http.get(`${BASE_URL}/api/health`, {
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timeout: '10s',
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});
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check(response, {
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'health check returns 200 or 503': (r) => r.status === 200 || r.status === 503,
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'health check has content': (r) => r.body.length > 0,
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});
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errorRate.add(response.status >= 500);
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requestDuration.add(response.timings.duration);
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requestCount.add(1);
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}
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sleep(1);
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// List exercises endpoint
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{
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let response = http.get(`${BASE_URL}/api/exercises`, {
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timeout: '10s',
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});
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check(response, {
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'exercises endpoint returns 2xx or 404': (r) => r.status >= 200 && r.status < 300 || r.status === 404,
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});
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errorRate.add(response.status >= 500);
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requestDuration.add(response.timings.duration);
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requestCount.add(1);
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}
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sleep(1);
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// Prometheus metrics endpoint (optional)
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{
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let response = http.get(`${BASE_URL}:3001/metrics`, {
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timeout: '5s',
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noResponseCallback: 'ignore',
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});
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if (response) {
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requestDuration.add(response.timings.duration);
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}
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requestCount.add(1);
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}
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sleep(1);
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activeConnections.add(-1);
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}
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export function teardown(data) {
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console.log(`\n=== Load Test Results ===`);
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console.log(`Total requests: ${requestCount.value}`);
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console.log(`Error rate: ${(errorRate.value * 100).toFixed(2)}%`);
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console.log(`Average p95 latency: ${requestDuration.value.p(95)}ms`);
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console.log(`Average p99 latency: ${requestDuration.value.p(99)}ms`);
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console.log(`Start time: ${data.start_time}`);
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console.log(`End time: ${new Date().toISOString()}`);
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}
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---
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# AlertManager ConfigMap with routing rules
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: alertmanager-config
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namespace: gravl-staging
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labels:
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app: gravl
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component: alerting
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data:
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alertmanager.yml: |
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global:
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resolve_timeout: 5m
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route:
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receiver: 'default'
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group_by: ['alertname', 'cluster', 'service']
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group_wait: 10s
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group_interval: 10s
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repeat_interval: 12h
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routes:
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- match:
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severity: critical
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receiver: 'slack-critical'
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group_wait: 0s
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repeat_interval: 1h
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- match:
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severity: warning
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receiver: 'slack-warnings'
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group_wait: 5s
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repeat_interval: 4h
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- match:
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severity: info
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receiver: 'email-ops'
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group_wait: 30s
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repeat_interval: 24h
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receivers:
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- name: 'default'
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webhook_configs:
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- url: 'http://localhost:5001/'
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- name: 'slack-critical'
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slack_configs:
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- channel: '#gravl-critical'
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title: '🚨 CRITICAL: {{ .GroupLabels.alertname }}'
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text: '{{ range .Alerts }}{{ .Annotations.description }}{{ end }}'
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color: 'danger'
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send_resolved: true
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api_url: 'https://hooks.slack.com/services/EXAMPLE/WEBHOOK/URL'
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- name: 'slack-warnings'
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slack_configs:
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- channel: '#gravl-warnings'
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title: '⚠️ Warning: {{ .GroupLabels.alertname }}'
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text: '{{ range .Alerts }}{{ .Annotations.description }}{{ end }}'
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color: 'warning'
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send_resolved: true
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api_url: 'https://hooks.slack.com/services/EXAMPLE/WEBHOOK/URL'
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- name: 'email-ops'
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email_configs:
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- to: 'ops@gravl.io'
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from: 'alertmanager@gravl.io'
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smarthost: 'smtp.example.com:587'
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auth_username: 'user@example.com'
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auth_password: 'password'
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---
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# AlertManager Deployment
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: alertmanager
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namespace: gravl-staging
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labels:
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app: gravl
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component: alerting
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: gravl
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component: alerting
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template:
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metadata:
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labels:
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app: gravl
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component: alerting
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spec:
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serviceAccountName: alertmanager
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containers:
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- name: alertmanager
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image: prom/alertmanager:latest
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imagePullPolicy: IfNotPresent
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args:
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- '--config.file=/etc/alertmanager/alertmanager.yml'
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- '--storage.path=/alertmanager'
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- '--log.level=info'
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ports:
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- name: http
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containerPort: 9093
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protocol: TCP
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volumeMounts:
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- name: config
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mountPath: /etc/alertmanager
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- name: storage
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mountPath: /alertmanager
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livenessProbe:
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httpGet:
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path: /-/healthy
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port: 9093
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initialDelaySeconds: 30
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periodSeconds: 10
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readinessProbe:
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httpGet:
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path: /-/ready
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port: 9093
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initialDelaySeconds: 10
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periodSeconds: 5
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resources:
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requests:
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cpu: 100m
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memory: 128Mi
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limits:
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cpu: 200m
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memory: 256Mi
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volumes:
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- name: config
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configMap:
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name: alertmanager-config
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- name: storage
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emptyDir: {}
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---
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# AlertManager Service
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apiVersion: v1
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kind: Service
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metadata:
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name: alertmanager
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namespace: gravl-staging
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labels:
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app: gravl
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component: alerting
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spec:
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type: ClusterIP
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selector:
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app: gravl
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component: alerting
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ports:
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- name: http
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port: 9093
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targetPort: http
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protocol: TCP
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---
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# Service Account for AlertManager
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: alertmanager
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namespace: gravl-staging
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labels:
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app: gravl
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component: alerting
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