# istio_loki.yaml
---
# Source: loki/templates/serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
  name: loki
  namespace: istio-system
  labels:
    helm.sh/chart: loki-6.53.0
    app.kubernetes.io/name: loki
    app.kubernetes.io/instance: loki
    app.kubernetes.io/version: "3.6.5"
automountServiceAccountToken: true
---
# Source: loki/templates/config.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: loki
  namespace: istio-system
  labels:
    helm.sh/chart: loki-6.53.0
    app.kubernetes.io/name: loki
    app.kubernetes.io/instance: loki
    app.kubernetes.io/version: "3.6.5"
data:
  config.yaml: |
    
    auth_enabled: false
    bloom_build:
      builder:
        planner_address: ""
      enabled: false
    bloom_gateway:
      client:
        addresses: ""
      enabled: false
    common:
      compactor_grpc_address: 'loki.istio-system.svc.cluster.local:9095'
      path_prefix: /var/loki
      replication_factor: 1
      storage:
        filesystem:
          chunks_directory: /var/loki/chunks
          rules_directory: /var/loki/rules
    frontend:
      scheduler_address: ""
      tail_proxy_url: ""
    frontend_worker:
      scheduler_address: ""
    index_gateway:
      mode: simple
    limits_config:
      max_cache_freshness_per_query: 10m
      query_timeout: 300s
      reject_old_samples: true
      reject_old_samples_max_age: 168h
      split_queries_by_interval: 15m
      volume_enabled: true
    memberlist:
      join_members:
      - loki-memberlist.istio-system.svc.cluster.local
    pattern_ingester:
      enabled: false
    query_range:
      align_queries_with_step: true
    ruler:
      storage:
        type: local
      wal:
        dir: /var/loki/ruler-wal
    runtime_config:
      file: /etc/loki/runtime-config/runtime-config.yaml
    schema_config:
      configs:
      - from: "2024-04-01"
        index:
          period: 24h
          prefix: index_
        object_store: 'filesystem'
        schema: v13
        store: tsdb
    server:
      grpc_listen_port: 9095
      http_listen_port: 3100
      http_server_read_timeout: 600s
      http_server_write_timeout: 600s
    storage_config:
      bloom_shipper:
        working_directory: /var/loki/data/bloomshipper
      boltdb_shipper:
        index_gateway_client:
          server_address: ""
      hedging:
        at: 250ms
        max_per_second: 20
        up_to: 3
      tsdb_shipper:
        index_gateway_client:
          server_address: ""
      use_thanos_objstore: false
    tracing:
      enabled: false
---
# Source: loki/templates/runtime-configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: loki-runtime
  namespace: istio-system
  labels:
    helm.sh/chart: loki-6.53.0
    app.kubernetes.io/name: loki
    app.kubernetes.io/instance: loki
    app.kubernetes.io/version: "3.6.5"
data:
  runtime-config.yaml: |
    {}
---
# Source: loki/templates/backend/clusterrole.yaml
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  labels:
    helm.sh/chart: loki-6.53.0
    app.kubernetes.io/name: loki
    app.kubernetes.io/instance: loki
    app.kubernetes.io/version: "3.6.5"
  name: loki-clusterrole
rules:
- apiGroups: [""] # "" indicates the core API group
  resources: ["configmaps", "secrets"]
  verbs: ["get", "watch", "list"]
---
# Source: loki/templates/backend/clusterrolebinding.yaml
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: loki-clusterrolebinding
  labels:
    helm.sh/chart: loki-6.53.0
    app.kubernetes.io/name: loki
    app.kubernetes.io/instance: loki
    app.kubernetes.io/version: "3.6.5"
subjects:
  - kind: ServiceAccount
    name: loki
    namespace: istio-system
roleRef:
  kind: ClusterRole
  name: loki-clusterrole
  apiGroup: rbac.authorization.k8s.io
---
# Source: loki/templates/service-memberlist.yaml
apiVersion: v1
kind: Service
metadata:
  name: loki-memberlist
  namespace: istio-system
  labels:
    helm.sh/chart: loki-6.53.0
    app.kubernetes.io/name: loki
    app.kubernetes.io/instance: loki
    app.kubernetes.io/version: "3.6.5"
  annotations:
spec:
  type: ClusterIP
  clusterIP: None
  ports:
    - name: tcp
      port: 7946
      targetPort: http-memberlist
      protocol: TCP
  selector:
    app.kubernetes.io/name: loki
    app.kubernetes.io/instance: loki
    app.kubernetes.io/part-of: memberlist
---
# Source: loki/templates/single-binary/service-headless.yaml
apiVersion: v1
kind: Service
metadata:
  name: loki-headless
  namespace: istio-system
  labels:
    helm.sh/chart: loki-6.53.0
    app.kubernetes.io/name: loki
    app.kubernetes.io/instance: loki
    app.kubernetes.io/version: "3.6.5"
    variant: headless
    prometheus.io/service-monitor: "false"
  annotations:
spec:
  clusterIP: None
  ports:
    - name: http-metrics
      port: 3100
      targetPort: http-metrics
      protocol: TCP
  selector:
    app.kubernetes.io/name: loki
    app.kubernetes.io/instance: loki
---
# Source: loki/templates/single-binary/service.yaml
apiVersion: v1
kind: Service
metadata:
  name: loki
  namespace: istio-system
  labels:
    helm.sh/chart: loki-6.53.0
    app.kubernetes.io/name: loki
    app.kubernetes.io/instance: loki
    app.kubernetes.io/version: "3.6.5"
  annotations:
spec:
  type: ClusterIP
  ports:
    - name: http-metrics
      port: 3100
      targetPort: http-metrics
      protocol: TCP
    - name: grpc
      port: 9095
      targetPort: grpc
      protocol: TCP
  selector:
    app.kubernetes.io/name: loki
    app.kubernetes.io/instance: loki
    app.kubernetes.io/component: single-binary
---
# Source: loki/templates/single-binary/statefulset.yaml
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: loki
  namespace: istio-system
  labels:
    helm.sh/chart: loki-6.53.0
    app.kubernetes.io/name: loki
    app.kubernetes.io/instance: loki
    app.kubernetes.io/version: "3.6.5"
    app.kubernetes.io/component: single-binary
    app.kubernetes.io/part-of: memberlist
spec:
  replicas: 1
  podManagementPolicy: Parallel
  updateStrategy:
    rollingUpdate:
      partition: 0
  serviceName: loki-headless
  revisionHistoryLimit: 10
  
  persistentVolumeClaimRetentionPolicy:
    whenDeleted: Delete
    whenScaled: Delete
  selector:
    matchLabels:
      app.kubernetes.io/name: loki
      app.kubernetes.io/instance: loki
      app.kubernetes.io/component: single-binary
  template:
    metadata:
      annotations:
        checksum/config: 7beee9ce6dba8de1e670322d1f02ca6271acbff4e76efe12d443937c11f802f8
        storage/size: "10Gi"
        kubectl.kubernetes.io/default-container: "loki"
      labels:
        app.kubernetes.io/name: loki
        app.kubernetes.io/instance: loki
        app.kubernetes.io/component: single-binary
        app.kubernetes.io/part-of: memberlist
    spec:
      serviceAccountName: loki
      automountServiceAccountToken: true
      enableServiceLinks: true
      
      securityContext:
        fsGroup: 10001
        fsGroupChangePolicy: OnRootMismatch
        runAsGroup: 10001
        runAsNonRoot: true
        runAsUser: 10001
      terminationGracePeriodSeconds: 30
      containers:
        - name: loki
          image: docker.io/grafana/loki:3.6.5
          imagePullPolicy: IfNotPresent
          args:
            - -config.file=/etc/loki/config/config.yaml
            - -target=all
          ports:
            - name: http-metrics
              containerPort: 3100
              protocol: TCP
            - name: grpc
              containerPort: 9095
              protocol: TCP
            - name: http-memberlist
              containerPort: 7946
              protocol: TCP
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop:
              - ALL
            readOnlyRootFilesystem: true
          readinessProbe:
            failureThreshold: 3
            httpGet:
              path: /ready
              port: http-metrics
            initialDelaySeconds: 15
            periodSeconds: 10
            successThreshold: 1
            timeoutSeconds: 1
          volumeMounts:
            - name: tmp
              mountPath: /tmp
            - name: config
              mountPath: /etc/loki/config
            - name: runtime-config
              mountPath: /etc/loki/runtime-config
            - name: storage
              mountPath: /var/loki
            - name: sc-rules-volume
              mountPath: "/rules"
          resources:
            {}
        - name: loki-sc-rules
          image: docker.io/kiwigrid/k8s-sidecar:1.30.9
          imagePullPolicy: IfNotPresent
          env:
            - name: METHOD
              value: WATCH
            - name: LABEL
              value: "loki_rule"
            - name: FOLDER
              value: "/rules"
            - name: RESOURCE
              value: "both"
            - name: WATCH_SERVER_TIMEOUT
              value: "60"
            - name: WATCH_CLIENT_TIMEOUT
              value: "60"
            - name: LOG_LEVEL
              value: "INFO"
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop:
              - ALL
            readOnlyRootFilesystem: true
          volumeMounts:
            - name: sc-rules-volume
              mountPath: "/rules"
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchLabels:
                app.kubernetes.io/component: single-binary
                app.kubernetes.io/instance: 'loki'
                app.kubernetes.io/name: 'loki'
            topologyKey: kubernetes.io/hostname
      volumes:
        - name: tmp
          emptyDir: {}
        - name: config
          configMap:
            name: loki
            items:
              - key: "config.yaml"
                path: "config.yaml"
        - name: runtime-config
          configMap:
            name: loki-runtime
        - name: sc-rules-volume
          emptyDir: {}
  volumeClaimTemplates:
    - apiVersion: v1
      kind: PersistentVolumeClaim
      metadata:
        name: storage
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: "10Gi"