pushgateway_deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  namespace: default
  name: pushgateway
  labels:
    app: pushgateway
spec:
  replicas: 1
  selector:
    matchLabels:
      app: pushgateway
  template:
    metadata:
      labels:
        app: pushgateway
    spec:
      containers:
      - name: pushgateway
        image: prom/pushgateway:v0.4.0
        ports:
          - name: http
            containerPort: 9091
---
apiVersion: v1
kind: Service
metadata:
  namespace: default
  name: pushgateway
  labels:
    app: pushgateway
spec:
  ports:
  - name: pushgateway
    port: 80
    targetPort: http
  type: NodePort
  selector:
    app: pushgateway
---
kind: ConfigMap
apiVersion: v1
metadata:
  namespace: default
  name: pushgateway-proxy-config
data:
  nginx.conf: |-
    user www-data;
    worker_processes 4;
    pid /run/nginx.pid;
    error_log /dev/stdout;
    events {
      worker_connections 1024;
    }
    http {
      access_log /dev/stdout;
      server {
        listen 0.0.0.0:8081;
        location / {
          limit_except GET {
            deny all;
          }
          proxy_pass http://pushgateway;
        }
      }
    }
---
apiVersion: apps/v1
kind: Deployment
metadata:
  namespace: default
  name: pushgateway-proxy
  labels:
    app: pushgateway-proxy
spec:
  replicas: 1
  selector:
    matchLabels:
      app: pushgateway-proxy
  template:
    metadata:
      labels:
        app: pushgateway-proxy
    spec:
      containers:
      - name: nginx
        ports:
          - name: http
            containerPort: 8081
        image: nginx:1
        volumeMounts:
        - name: config-volume
          mountPath: /etc/nginx/
      volumes:
      - name: config-volume
        configMap:
          name: pushgateway-proxy-config
---
apiVersion: v1
kind: Service
metadata:
  namespace: default
  name: pushgateway-external
  labels:
    app: pushgateway-external
spec:
  ports:
  - name: pushgateway-external
    port: 80
    targetPort: http
  type: NodePort
  selector:
    app: pushgateway-proxy