Japan Container Days 2018の資料です。

3. ●
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7. ♨
まずはお話だけ
でも！

9. ※JKD事前アンケート

10. プレビュー
端末、OS間の差異を無くすために
プレビュー画像を

11. 🍺 🍺

19. - restore_cache:
keys:
- app-{{ .Branch }}-{{ .Revision }}
- app-{{ .Branch }}-
- app-
- run:
name: load docker cache
command: |
set +o pipefail
docker load -i /caches/app.tar | true

20. carton exec starman -Ilib --workers 7 --max-requests 10000 preview.psgi
:
resources:
requests:
memory: 1500Mi
cpu: 7
limits:
cpu: 7

24. pod数
node数

25. apiVersion: autoscaling/v1
kind: HorizontalPodAutoscaler
metadata:
name: {{.name}}
spec:
maxReplicas: 100
minReplicas: 5
scaleTargetRef:
apiVersion: extensions/v1beta1
kind: Deployment
name: {{.name}}
targetCPUUtilizationPercentage: 30

30. vegeta attack
-targets=targets.txt
-rate=10 -duration=10s
| vegeta report reporter=text
Requests [total, rate] 100, 10.10
Duration [total, attack, wait] 10.369150093s, 9.899999874s,
469.150219ms
Latencies [mean, 50, 95, 99, max] 540.286933ms, 502.598338ms,
757.152401ms, 979.245484ms, 1.059904593s
Bytes In [total, mean] 14800, 148.00
Bytes Out [total, mean] 47383100, 473831.00
Success [ratio] 100.00%
Status Codes [code:count] 200:100

31. apiVersion: apps/v1
kind: Deployment
metadata:
name: stress
spec:
replicas: 1
selector:
matchLabels:
tier: stress
template:
metadata:
labels:
tier: stress
spec:
containers:
- name: stress
image: junpayment/vegeta
imagePullPolicy: Always
nodeSelector:
tier: stress

32. kubectl pods top
kubectl describe hpa
kubectl describe hpa
Metrics: ( current / target )
resource cpu on pods (as a percentage of request): 12% (880m) / 15%
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
(combined from similar events): New size: 10; reason: cpu resource utilization (percentage of
request) above target

36. import (
“cloud.google.com/go/monitoring/apiv3”
“k8s.io/client-go/kubernetes”
)
cli, _ := kubernetes.NewForConfig(config)
pods, _ := cli.CoreV1().Pods("default").List(metav1.ListOptions{})
client, err = monitoring.NewMetricClient(ctx)
ctx := context.Background()
err := client.CreateTimeSeries(ctx, req)

41. 障害発生

47. まずはお話だけ
でも！