apiVersion: apps/v1
kind: Deployment
metadata:
  name: loki
  namespace: veza-production
  labels:
    app: loki
    component: logging
spec:
  replicas: 1
  selector:
    matchLabels:
      app: loki
  template:
    metadata:
      labels:
        app: loki
    spec:
      containers:
      - name: loki
        image: grafana/loki:latest
        args:
          - -config.file=/etc/loki/loki-config.yaml
        ports:
        - name: http
          containerPort: 3100
        volumeMounts:
        - name: loki-config
          mountPath: /etc/loki
        - name: loki-storage
          mountPath: /loki
        resources:
          requests:
            cpu: "500m"
            memory: "1Gi"
          limits:
            cpu: "2000m"
            memory: "4Gi"
        readinessProbe:
          httpGet:
            path: /ready
            port: 3100
          initialDelaySeconds: 10
          periodSeconds: 5
        livenessProbe:
          httpGet:
            path: /metrics
            port: 3100
          initialDelaySeconds: 30
          periodSeconds: 10
      volumes:
      - name: loki-config
        configMap:
          name: loki-config
      - name: loki-storage
        persistentVolumeClaim:
          claimName: loki-storage

---
apiVersion: v1
kind: Service
metadata:
  name: loki
  namespace: veza-production
  labels:
    app: loki
spec:
  type: ClusterIP
  ports:
  - name: http
    port: 3100
    targetPort: 3100
  selector:
    app: loki

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: loki-config
  namespace: veza-production
data:
  loki-config.yaml: |
    auth_enabled: false

    server:
      http_listen_port: 3100
      grpc_listen_port: 9096

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

    schema_config:
      configs:
        - from: 2020-10-24
          store: boltdb-shipper
          object_store: filesystem
          schema: v11
          index:
            prefix: index_
            period: 24h

    storage_config:
      boltdb_shipper:
        active_index_directory: /loki/boltdb-shipper-active
        cache_location: /loki/boltdb-shipper-cache
        shared_store: filesystem
      filesystem:
        directory: /loki/chunks

    limits_config:
      reject_old_samples: true
      reject_old_samples_max_age: 168h
      ingestion_rate_mb: 16
      ingestion_burst_size_mb: 32

    chunk_store_config:
      max_look_back_period: 0s

    table_manager:
      retention_deletes_enabled: true
      retention_period: 720h

---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: loki-storage
  namespace: veza-production
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 50Gi