kubernetes-handbook/manifests/HPA/sample-metrics-app.yaml

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apiVersion: apps/v1beta1
kind: Deployment
metadata:
labels:
app: sample-metrics-app
name: sample-metrics-app
spec:
replicas: 2
template:
metadata:
labels:
app: sample-metrics-app
spec:
containers:
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- image: harbor-001.jimmysong.io/library/autoscale-demo:v0.1.2
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name: sample-metrics-app
ports:
- name: web
containerPort: 8080
readinessProbe:
httpGet:
path: /
port: 8080
initialDelaySeconds: 3
periodSeconds: 5
livenessProbe:
httpGet:
path: /
port: 8080
initialDelaySeconds: 3
periodSeconds: 5
---
apiVersion: v1
kind: Service
metadata:
name: sample-metrics-app
labels:
app: sample-metrics-app
spec:
ports:
- name: web
port: 80
targetPort: 8080
selector:
app: sample-metrics-app
---
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apiVersion: monitoring.coreos.com/v1
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kind: ServiceMonitor
metadata:
name: sample-metrics-app
labels:
service-monitor: function
spec:
selector:
matchLabels:
app: sample-metrics-app
endpoints:
- port: web
---
kind: HorizontalPodAutoscaler
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apiVersion: autoscaling/v2beta1
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metadata:
name: sample-metrics-app-hpa
spec:
scaleTargetRef:
kind: Deployment
name: sample-metrics-app
minReplicas: 2
maxReplicas: 10
metrics:
- type: Object
object:
target:
kind: Service
name: sample-metrics-app
metricName: http_requests
targetValue: 100