apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: loki-pvc
  namespace: sysadmin
spec:
  accessModes:
    - ReadWriteOnce
  storageClassName: longhorn
  resources:
    requests:
      storage: 20Gi
    limits:
      storage: 10Gi
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: loki-configmap
  namespace: sysadmin
data:
  loki-config.yaml: |
    auth_enabled: false

    server:
      http_listen_port: 3100

    common:
      instance_addr: 127.0.0.1
      path_prefix: /loki
      storage:
        filesystem:
          chunks_directory: /loki/chunks
          rules_directory: /loki/rules
      replication_factor: 1
      ring:
        kvstore:
          store: inmemory

    compactor:
      retention_enabled: true
      retention_delete_delay: 1h
      retention_delete_worker_count: 150

    limits_config:
      retention_period: 168h

    schema_config:
      configs:
        - from: 2020-10-24
          store: tsdb
          object_store: filesystem
          schema: v12
          index:
            prefix: index_
            period: 24h

    ruler:
      alertmanager_url: http://localhost:9093
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: loki
  namespace: sysadmin
spec:
  replicas: 1
  selector:
    matchLabels:
      ms: loki
  template:
    metadata:
      labels:
        ms: loki
    spec:
      containers:
        - name: loki
          image: grafana/loki:2.8.6
          imagePullPolicy: IfNotPresent
          args: ["-config.file=/etc/loki/config/loki-config.yaml"]
          ports:
            - containerPort: 3100
              protocol: TCP
          volumeMounts:
            - mountPath: /loki
              name: loki-pv
            - name: config
              mountPath: /etc/loki/config/
      securityContext:
        runAsUser: 1000
        fsGroup: 2000
      volumes:
        - name: loki-pv
          persistentVolumeClaim:
            claimName: loki-pvc
        - name: config
          configMap:
            name: loki-configmap
---
apiVersion: v1
kind: Service
metadata:
  name: loki
  namespace: sysadmin
spec:
  type: NodePort
  selector:
    ms: loki
  ports:
    - port: 3100
      targetPort: 3100