k8s-logstash.yaml

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: logstash-config
  namespace: elk-stack
data:
  logstash.conf: |-
    input {
      redis {
        host => "redis"
        password => "my_redis_password"
        key => "phplogs"
        data_type => "list"
      }
    }
    output {
      elasticsearch {
        hosts => "elasticsearch:9200"
        user => "elastic"
        password => "changeme"
        index => "logstash-%{+YYYY.MM.dd}"
        sniffing => false
      }
    }
  logstash.yml: |-
    http.host: "0.0.0.0"
    path.config: /usr/share/logstash/pipeline
    xpack.monitoring.enabled: false
    xpack.monitoring.elasticsearch.username: elastic
    xpack.monitoring.elasticsearch.password: changeme
---
kind: Service
apiVersion: v1
metadata:
  name: logstash
  namespace: elk-stack
  labels:
    app: logstash
spec:
  ports:
    - port: 9600
  selector:
    app: logstash
---
kind: Deployment
apiVersion: apps/v1
metadata:
  name: logstash
  namespace: elk-stack
  labels:
    app: logstash
spec:
  replicas: 1
  selector:
    matchLabels:
      app: logstash
  template:
    metadata:
      labels:
        app: logstash
    spec:
      containers:
        - name: logstash
          ports:
            - containerPort: 9600
          image: docker.elastic.co/logstash/logstash:7.8.0
          volumeMounts:
            - name: config
              mountPath: /usr/share/logstash/config/logstash.yml
              subPath: logstash.yml
              readOnly: true
            - name: pipeline
              mountPath: /usr/share/logstash/pipeline
              readOnly: true
          command:
            - logstash
          resources:
            limits:
              memory: 1Gi
              cpu: "200m"
            requests:
              memory: 400m
              cpu: "200m"
      volumes:
        - name: pipeline
          configMap:
            name: logstash-config
            items:
              - key: logstash.conf
                path: logstash.conf
        - name: config
          configMap:
            name: logstash-config
            items:
              - key: logstash.yml
                path: logstash.yml