42 lines
1.7 KiB
Bash
42 lines
1.7 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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NS=dsh-poc
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HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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kubectl create namespace "$NS" --dry-run=client -o yaml | kubectl apply -f - >/dev/null
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kubectl apply -f "$HERE/cluster.yaml" >/dev/null
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echo "== wait for CloudNativePG cluster ready (3 instances) =="
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READY=0
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for _ in $(seq 1 72); do
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READY="$(kubectl get -n "$NS" cluster dsh-pg-poc -o jsonpath='{.status.readyInstances}' 2>/dev/null || echo 0)"
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[ "$READY" = "3" ] && break
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sleep 5
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done
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if [ "$READY" != "3" ]; then
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echo "FAIL: cluster not ready in time (readyInstances=$READY)"
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kubectl get -n "$NS" cluster dsh-pg-poc -o yaml
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exit 1
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fi
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echo "PASS: cluster ready (3 instances)"
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PGHOST=dsh-pg-poc-rw
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PGUSER="$(kubectl get -n "$NS" secret dsh-pg-poc-app -o jsonpath='{.data.username}' | base64 -d)"
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PGPASSWORD="$(kubectl get -n "$NS" secret dsh-pg-poc-app -o jsonpath='{.data.password}' | base64 -d)"
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PGDATABASE="$(kubectl get -n "$NS" secret dsh-pg-poc-app -o jsonpath='{.data.dbname}' | base64 -d)"
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echo "== pgbench init (scale 5) =="
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kubectl run -n "$NS" pgbench-init --rm -i --restart=Never --image=postgres:16 \
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--env "PGHOST=$PGHOST" --env "PGUSER=$PGUSER" --env "PGPASSWORD=$PGPASSWORD" --env "PGDATABASE=$PGDATABASE" \
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-- pgbench -i -s 5 2>&1 | tail -3
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echo
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echo "== pgbench select-only (30s, c4/j2) =="
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kubectl run -n "$NS" pgbench-run --rm -i --restart=Never --image=postgres:16 \
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--env "PGHOST=$PGHOST" --env "PGUSER=$PGUSER" --env "PGPASSWORD=$PGPASSWORD" --env "PGDATABASE=$PGDATABASE" \
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-- pgbench -S -T 30 -c 4 -j 2 2>&1 | grep -E 'latency average|including connections establishing' || true
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echo
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echo "记录上面的 tps / latency average 作为 Longhorn 上的基线（对照节点 NVMe 判断 §4.5 是否可接受）"
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