48 lines
1.4 KiB
Bash
Executable File
48 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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# Spawn a k6 load swarm against a target.
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# Usage: ./scripts/loadtest.sh <target-url> [pods] [vus-per-pod] [duration]
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# Example: ./scripts/loadtest.sh https://staging.example.com 20 50 5m
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# -> 20 pods x 50 virtual users = 1000 concurrent requests, 5 minutes
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set -euo pipefail
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TARGET=${1:?usage: loadtest.sh <target-url> [pods] [vus-per-pod] [duration]}
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PODS=${2:-20}
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VUS=${3:-20}
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DURATION=${4:-60s}
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NAME="loadtest-$(date +%s)"
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kubectl -n loadtest apply -f - <<EOF
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apiVersion: batch/v1
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kind: Job
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metadata:
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name: $NAME
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spec:
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parallelism: $PODS
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completions: $PODS
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ttlSecondsAfterFinished: 300
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template:
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spec:
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restartPolicy: Never
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containers:
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- name: k6
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image: grafana/k6:1.4.0
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command: ["k6", "run", "/scripts/test.js"]
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env:
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- {name: TARGET_URL, value: "$TARGET"}
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- {name: VUS, value: "$VUS"}
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- {name: DURATION, value: "$DURATION"}
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resources:
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requests: {cpu: 100m, memory: 128Mi}
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limits: {memory: 256Mi}
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volumeMounts:
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- {name: scripts, mountPath: /scripts}
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volumes:
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- name: scripts
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configMap: {name: k6-script}
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EOF
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echo "Swarm '$NAME' launched: $PODS pods x $VUS vus for $DURATION against $TARGET"
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echo "Watch: kubectl -n loadtest get pods -w"
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echo "Logs: kubectl -n loadtest logs -f job/$NAME --all-pods=true --tail=5"
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echo "Stop: kubectl -n loadtest delete job $NAME"
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