Add the monitoring stack

kubernetes/kube-state-metrics/deployment.yaml

@@ -0,0 +1,81 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: kube-state-metrics
+  namespace: monitoring
+  labels:
+    app: kube-state-metrics
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: kube-state-metrics
+  template:
+    metadata:
+      labels:
+        app: kube-state-metrics
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "8080"
+    spec:
+      serviceAccountName: kube-state-metrics
+      securityContext:
+        fsGroup: 65534
+        runAsNonRoot: true
+        runAsUser: 65534
+      containers:
+        - name: kube-state-metrics
+          image: registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.10.1
+          args:
+            - "--port=8080"
+            - "--telemetry-port=8081"
+          ports:
+            - name: http-metrics
+              containerPort: 8080
+              protocol: TCP
+            - name: telemetry
+              containerPort: 8081
+              protocol: TCP
+          resources:
+            requests:
+              memory: "64Mi"
+              cpu: "50m"
+            limits:
+              memory: "128Mi"
+              cpu: "100m"
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: 8080
+            initialDelaySeconds: 5
+            periodSeconds: 10
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 8080
+            initialDelaySeconds: 5
+            periodSeconds: 10
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: kube-state-metrics
+  namespace: monitoring
+  labels:
+    app: kube-state-metrics
+  annotations:
+    prometheus.io/scrape: "true"
+    prometheus.io/port: "8080"
+spec:
+  type: ClusterIP
+  ports:
+    - name: http-metrics
+      port: 8080
+      targetPort: http-metrics
+      protocol: TCP
+    - name: telemetry
+      port: 8081
+      targetPort: telemetry
+      protocol: TCP
+  selector:
+    app: kube-state-metrics

kubernetes/kube-state-metrics/rbac.yaml

@@ -0,0 +1,92 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: kube-state-metrics
+  namespace: monitoring
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: kube-state-metrics
+rules:
+  - apiGroups: [""]
+    resources:
+      - configmaps
+      - secrets
+      - nodes
+      - pods
+      - services
+      - serviceaccounts
+      - resourcequotas
+      - replicationcontrollers
+      - limitranges
+      - persistentvolumeclaims
+      - persistentvolumes
+      - namespaces
+      - endpoints
+    verbs: ["list", "watch"]
+  - apiGroups: ["apps"]
+    resources:
+      - statefulsets
+      - daemonsets
+      - deployments
+      - replicasets
+    verbs: ["list", "watch"]
+  - apiGroups: ["batch"]
+    resources:
+      - cronjobs
+      - jobs
+    verbs: ["list", "watch"]
+  - apiGroups: ["autoscaling"]
+    resources:
+      - horizontalpodautoscalers
+    verbs: ["list", "watch"]
+  - apiGroups: ["authentication.k8s.io"]
+    resources:
+      - tokenreviews
+    verbs: ["create"]
+  - apiGroups: ["authorization.k8s.io"]
+    resources:
+      - subjectaccessreviews
+    verbs: ["create"]
+  - apiGroups: ["policy"]
+    resources:
+      - poddisruptionbudgets
+    verbs: ["list", "watch"]
+  - apiGroups: ["certificates.k8s.io"]
+    resources:
+      - certificatesigningrequests
+    verbs: ["list", "watch"]
+  - apiGroups: ["storage.k8s.io"]
+    resources:
+      - storageclasses
+      - volumeattachments
+    verbs: ["list", "watch"]
+  - apiGroups: ["admissionregistration.k8s.io"]
+    resources:
+      - mutatingwebhookconfigurations
+      - validatingwebhookconfigurations
+    verbs: ["list", "watch"]
+  - apiGroups: ["networking.k8s.io"]
+    resources:
+      - networkpolicies
+      - ingresses
+    verbs: ["list", "watch"]
+  - apiGroups: ["coordination.k8s.io"]
+    resources:
+      - leases
+    verbs: ["list", "watch"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: kube-state-metrics
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: kube-state-metrics
+subjects:
+  - kind: ServiceAccount
+    name: kube-state-metrics
+    namespace: monitoring

kubernetes/loki/configmap.yaml

@@ -0,0 +1,67 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: loki-config
+  namespace: monitoring
+data:
+  loki.yaml: |
+    auth_enabled: false
+
+    server:
+      http_listen_port: 3100
+      grpc_listen_port: 9096
+      log_level: info
+
+    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
+
+    query_range:
+      results_cache:
+        cache:
+          embedded_cache:
+            enabled: true
+            max_size_mb: 100
+
+    schema_config:
+      configs:
+        - from: 2020-10-24
+          store: tsdb
+          object_store: filesystem
+          schema: v13
+          index:
+            prefix: index_
+            period: 24h
+
+    ruler:
+      alertmanager_url: http://localhost:9093
+
+    limits_config:
+      reject_old_samples: true
+      reject_old_samples_max_age: 168h
+      ingestion_rate_mb: 4
+      ingestion_burst_size_mb: 6
+      max_streams_per_user: 10000
+      max_line_size: 256kb
+
+    # Compactor for retention
+    compactor:
+      working_directory: /loki/compactor
+      compaction_interval: 10m
+      retention_enabled: true
+      retention_delete_delay: 2h
+      retention_delete_worker_count: 150
+      delete_request_store: filesystem
+
+    # 7 day retention
+    table_manager:
+      retention_deletes_enabled: true
+      retention_period: 168h

kubernetes/loki/deployment.yaml

@@ -0,0 +1,68 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: loki
+  namespace: monitoring
+  labels:
+    app: loki
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: loki
+  template:
+    metadata:
+      labels:
+        app: loki
+    spec:
+      securityContext:
+        fsGroup: 10001
+        runAsGroup: 10001
+        runAsNonRoot: true
+        runAsUser: 10001
+      containers:
+        - name: loki
+          image: grafana/loki:2.9.2
+          args:
+            - "-config.file=/etc/loki/loki.yaml"
+          ports:
+            - name: http
+              containerPort: 3100
+              protocol: TCP
+            - name: grpc
+              containerPort: 9096
+              protocol: TCP
+          resources:
+            requests:
+              memory: "256Mi"
+              cpu: "100m"
+            limits:
+              memory: "512Mi"
+              cpu: "300m"
+          volumeMounts:
+            - name: config
+              mountPath: /etc/loki
+            - name: storage
+              mountPath: /loki
+          livenessProbe:
+            httpGet:
+              path: /ready
+              port: http
+            initialDelaySeconds: 45
+            periodSeconds: 10
+          readinessProbe:
+            httpGet:
+              path: /ready
+              port: http
+            initialDelaySeconds: 45
+            periodSeconds: 10
+      volumes:
+        - name: config
+          configMap:
+            name: loki-config
+        - name: storage
+          emptyDir: {}
+      # For production, replace emptyDir with PVC:
+      # - name: storage
+      #   persistentVolumeClaim:
+      #     claimName: loki-storage

kubernetes/loki/service.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: loki
+  namespace: monitoring
+  labels:
+    app: loki
+spec:
+  type: NodePort
+  ports:
+    - name: http
+      port: 3100
+      targetPort: 3100
+      nodePort: 30100
+      protocol: TCP
+  selector:
+    app: loki

kubernetes/namespace.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: monitoring
+  labels:
+    name: monitoring

kubernetes/node-exporter/daemonset.yaml

@@ -0,0 +1,115 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: node-exporter
+  namespace: monitoring
+---
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: node-exporter
+  namespace: monitoring
+  labels:
+    app: node-exporter
+spec:
+  selector:
+    matchLabels:
+      app: node-exporter
+  template:
+    metadata:
+      labels:
+        app: node-exporter
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "9100"
+    spec:
+      serviceAccountName: node-exporter
+      hostNetwork: true
+      hostPID: true
+      tolerations:
+        - key: node-role.kubernetes.io/master
+          operator: Exists
+          effect: NoSchedule
+        - key: node-role.kubernetes.io/control-plane
+          operator: Exists
+          effect: NoSchedule
+      containers:
+        - name: node-exporter
+          image: prom/node-exporter:v1.7.0
+          args:
+            - "--path.procfs=/host/proc"
+            - "--path.sysfs=/host/sys"
+            - "--path.rootfs=/host/root"
+            - "--web.listen-address=:9100"
+            - "--collector.filesystem.mount-points-exclude=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/.+)($|/)"
+            - "--collector.netclass.ignored-devices=^(veth.*|cali.*|docker.*|flannel.*)$"
+          ports:
+            - name: metrics
+              containerPort: 9100
+              hostPort: 9100
+              protocol: TCP
+          resources:
+            requests:
+              memory: "20Mi"
+              cpu: "10m"
+            limits:
+              memory: "50Mi"
+              cpu: "100m"
+          securityContext:
+            runAsNonRoot: true
+            runAsUser: 65534
+          volumeMounts:
+            - name: proc
+              mountPath: /host/proc
+              readOnly: true
+            - name: sys
+              mountPath: /host/sys
+              readOnly: true
+            - name: root
+              mountPath: /host/root
+              readOnly: true
+              mountPropagation: HostToContainer
+          livenessProbe:
+            httpGet:
+              path: /
+              port: metrics
+            initialDelaySeconds: 5
+            periodSeconds: 15
+          readinessProbe:
+            httpGet:
+              path: /
+              port: metrics
+            initialDelaySeconds: 5
+            periodSeconds: 15
+      volumes:
+        - name: proc
+          hostPath:
+            path: /proc
+        - name: sys
+          hostPath:
+            path: /sys
+        - name: root
+          hostPath:
+            path: /
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: node-exporter
+  namespace: monitoring
+  labels:
+    app: node-exporter
+  annotations:
+    prometheus.io/scrape: "true"
+    prometheus.io/port: "9100"
+spec:
+  type: ClusterIP
+  clusterIP: None
+  ports:
+    - name: metrics
+      port: 9100
+      targetPort: 9100
+      protocol: TCP
+  selector:
+    app: node-exporter

kubernetes/prometheus/configmap.yaml

@@ -0,0 +1,143 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: prometheus-config
+  namespace: monitoring
+data:
+  prometheus.yml: |
+    global:
+      scrape_interval: 30s
+      evaluation_interval: 30s
+      external_labels:
+        monitor: 'talos-cluster'
+        cluster: 'home'
+
+    scrape_configs:
+      # Prometheus self-monitoring
+      - job_name: 'prometheus'
+        static_configs:
+          - targets: ['localhost:9090']
+
+      # Kubernetes API server
+      - job_name: 'kubernetes-apiservers'
+        kubernetes_sd_configs:
+          - role: endpoints
+        scheme: https
+        tls_config:
+          ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+          insecure_skip_verify: true
+        bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+        relabel_configs:
+          - source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
+            action: keep
+            regex: default;kubernetes;https
+
+      # Kubernetes nodes (kubelet)
+      - job_name: 'kubernetes-nodes'
+        kubernetes_sd_configs:
+          - role: node
+        scheme: https
+        tls_config:
+          ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+          insecure_skip_verify: true
+        bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+        relabel_configs:
+          - action: labelmap
+            regex: __meta_kubernetes_node_label_(.+)
+          - target_label: __address__
+            replacement: kubernetes.default.svc:443
+          - source_labels: [__meta_kubernetes_node_name]
+            regex: (.+)
+            target_label: __metrics_path__
+            replacement: /api/v1/nodes/${1}/proxy/metrics
+
+      # Kubernetes nodes (cAdvisor)
+      - job_name: 'kubernetes-cadvisor'
+        kubernetes_sd_configs:
+          - role: node
+        scheme: https
+        tls_config:
+          ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+          insecure_skip_verify: true
+        bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
+        relabel_configs:
+          - action: labelmap
+            regex: __meta_kubernetes_node_label_(.+)
+          - target_label: __address__
+            replacement: kubernetes.default.svc:443
+          - source_labels: [__meta_kubernetes_node_name]
+            regex: (.+)
+            target_label: __metrics_path__
+            replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor
+
+      # Kubernetes service endpoints
+      - job_name: 'kubernetes-service-endpoints'
+        kubernetes_sd_configs:
+          - role: endpoints
+        relabel_configs:
+          - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape]
+            action: keep
+            regex: true
+          - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scheme]
+            action: replace
+            target_label: __scheme__
+            regex: (https?)
+          - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_path]
+            action: replace
+            target_label: __metrics_path__
+            regex: (.+)
+          - source_labels: [__address__, __meta_kubernetes_service_annotation_prometheus_io_port]
+            action: replace
+            target_label: __address__
+            regex: ([^:]+)(?::\d+)?;(\d+)
+            replacement: $1:$2
+          - action: labelmap
+            regex: __meta_kubernetes_service_label_(.+)
+          - source_labels: [__meta_kubernetes_namespace]
+            action: replace
+            target_label: kubernetes_namespace
+          - source_labels: [__meta_kubernetes_service_name]
+            action: replace
+            target_label: kubernetes_name
+
+      # Kubernetes pods
+      - job_name: 'kubernetes-pods'
+        kubernetes_sd_configs:
+          - role: pod
+        relabel_configs:
+          - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
+            action: keep
+            regex: true
+          - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
+            action: replace
+            target_label: __metrics_path__
+            regex: (.+)
+          - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
+            action: replace
+            regex: ([^:]+)(?::\d+)?;(\d+)
+            replacement: $1:$2
+            target_label: __address__
+          - action: labelmap
+            regex: __meta_kubernetes_pod_label_(.+)
+          - source_labels: [__meta_kubernetes_namespace]
+            action: replace
+            target_label: kubernetes_namespace
+          - source_labels: [__meta_kubernetes_pod_name]
+            action: replace
+            target_label: kubernetes_pod_name
+
+      # Node exporter (DaemonSet)
+      - job_name: 'node-exporter'
+        kubernetes_sd_configs:
+          - role: endpoints
+        relabel_configs:
+          - source_labels: [__meta_kubernetes_endpoints_name]
+            action: keep
+            regex: node-exporter
+          - source_labels: [__meta_kubernetes_endpoint_node_name]
+            target_label: node
+
+      # Kube State Metrics
+      - job_name: 'kube-state-metrics'
+        static_configs:
+          - targets: ['kube-state-metrics.monitoring.svc.cluster.local:8080']

kubernetes/prometheus/deployment.yaml

@@ -0,0 +1,73 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: prometheus
+  namespace: monitoring
+  labels:
+    app: prometheus
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: prometheus
+  template:
+    metadata:
+      labels:
+        app: prometheus
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "9090"
+    spec:
+      serviceAccountName: prometheus
+      securityContext:
+        fsGroup: 65534
+        runAsNonRoot: true
+        runAsUser: 65534
+      containers:
+        - name: prometheus
+          image: prom/prometheus:v2.48.0
+          args:
+            - "--config.file=/etc/prometheus/prometheus.yml"
+            - "--storage.tsdb.path=/prometheus"
+            - "--storage.tsdb.retention.time=15d"
+            - "--web.listen-address=0.0.0.0:9090"
+            - "--web.enable-lifecycle"
+            - "--web.enable-admin-api"
+          ports:
+            - name: http
+              containerPort: 9090
+              protocol: TCP
+          resources:
+            requests:
+              memory: "512Mi"
+              cpu: "200m"
+            limits:
+              memory: "1Gi"
+              cpu: "500m"
+          volumeMounts:
+            - name: config
+              mountPath: /etc/prometheus
+            - name: storage
+              mountPath: /prometheus
+          livenessProbe:
+            httpGet:
+              path: /-/healthy
+              port: http
+            initialDelaySeconds: 30
+            periodSeconds: 15
+          readinessProbe:
+            httpGet:
+              path: /-/ready
+              port: http
+            initialDelaySeconds: 5
+            periodSeconds: 5
+      volumes:
+        - name: config
+          configMap:
+            name: prometheus-config
+        - name: storage
+          emptyDir: {}
+      # For production, replace emptyDir with PVC:
+      # - name: storage
+      #   persistentVolumeClaim:
+      #     claimName: prometheus-storage

kubernetes/prometheus/rbac.yaml

@@ -0,0 +1,40 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: prometheus
+  namespace: monitoring
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: prometheus
+rules:
+  - apiGroups: [""]
+    resources:
+      - nodes
+      - nodes/proxy
+      - nodes/metrics
+      - services
+      - endpoints
+      - pods
+    verbs: ["get", "list", "watch"]
+  - apiGroups: ["extensions", "networking.k8s.io"]
+    resources:
+      - ingresses
+    verbs: ["get", "list", "watch"]
+  - nonResourceURLs: ["/metrics", "/metrics/cadvisor"]
+    verbs: ["get"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: prometheus
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: prometheus
+subjects:
+  - kind: ServiceAccount
+    name: prometheus
+    namespace: monitoring

kubernetes/prometheus/service.yaml

@@ -0,0 +1,20 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: prometheus
+  namespace: monitoring
+  labels:
+    app: prometheus
+  annotations:
+    prometheus.io/scrape: "true"
+    prometheus.io/port: "9090"
+spec:
+  type: NodePort
+  ports:
+    - name: http
+      port: 9090
+      targetPort: 9090
+      nodePort: 30090
+      protocol: TCP
+  selector:
+    app: prometheus

kubernetes/promtail/configmap.yaml

@@ -0,0 +1,85 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: promtail-config
+  namespace: monitoring
+data:
+  promtail.yaml: |
+    server:
+      http_listen_port: 3101
+      grpc_listen_port: 0
+
+    positions:
+      filename: /run/promtail/positions.yaml
+
+    clients:
+      - url: http://loki.monitoring.svc.cluster.local:3100/loki/api/v1/push
+        tenant_id: talos-cluster
+
+    scrape_configs:
+      # Container logs from /var/log/pods
+      - job_name: kubernetes-pods
+        kubernetes_sd_configs:
+          - role: pod
+        pipeline_stages:
+          - cri: {}
+        relabel_configs:
+          # Only scrape pods with promtail.io/scrape annotation (or all by default)
+          - source_labels:
+              - __meta_kubernetes_pod_annotation_promtail_io_scrape
+            action: drop
+            regex: false
+          
+          # Use pod name as instance
+          - source_labels:
+              - __meta_kubernetes_pod_name
+            target_label: instance
+          
+          # Namespace label
+          - source_labels:
+              - __meta_kubernetes_namespace
+            target_label: namespace
+          
+          # Pod name label
+          - source_labels:
+              - __meta_kubernetes_pod_name
+            target_label: pod
+          
+          # Container name label
+          - source_labels:
+              - __meta_kubernetes_pod_container_name
+            target_label: container
+          
+          # Node name label
+          - source_labels:
+              - __meta_kubernetes_pod_node_name
+            target_label: node
+          
+          # App label (from pod labels)
+          - source_labels:
+              - __meta_kubernetes_pod_label_app
+            target_label: app
+          
+          # App.kubernetes.io/name label
+          - source_labels:
+              - __meta_kubernetes_pod_label_app_kubernetes_io_name
+            target_label: app
+            regex: (.+)
+            action: replace
+          
+          # Set path to container log file
+          - source_labels:
+              - __meta_kubernetes_pod_uid
+              - __meta_kubernetes_pod_container_name
+            target_label: __path__
+            separator: /
+            replacement: /var/log/pods/*$1/*.log
+
+      # Talos system logs (if mounted)
+      - job_name: talos-system
+        static_configs:
+          - targets:
+              - localhost
+            labels:
+              job: talos-system
+              __path__: /var/log/containers/*.log

kubernetes/promtail/daemonset.yaml

@@ -0,0 +1,93 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: promtail
+  namespace: monitoring
+  labels:
+    app: promtail
+spec:
+  selector:
+    matchLabels:
+      app: promtail
+  template:
+    metadata:
+      labels:
+        app: promtail
+    spec:
+      serviceAccountName: promtail
+      tolerations:
+        - key: node-role.kubernetes.io/master
+          operator: Exists
+          effect: NoSchedule
+        - key: node-role.kubernetes.io/control-plane
+          operator: Exists
+          effect: NoSchedule
+      containers:
+        - name: promtail
+          image: grafana/promtail:2.9.2
+          args:
+            - "-config.file=/etc/promtail/promtail.yaml"
+          env:
+            - name: HOSTNAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: spec.nodeName
+          ports:
+            - name: http
+              containerPort: 3101
+              protocol: TCP
+          resources:
+            requests:
+              memory: "50Mi"
+              cpu: "50m"
+            limits:
+              memory: "128Mi"
+              cpu: "100m"
+          securityContext:
+            readOnlyRootFilesystem: true
+            runAsUser: 0
+            runAsGroup: 0
+          volumeMounts:
+            - name: config
+              mountPath: /etc/promtail
+            - name: run
+              mountPath: /run/promtail
+            # Mount pod logs
+            - name: pods
+              mountPath: /var/log/pods
+              readOnly: true
+            # Mount container logs (for CRI-O / containerd)
+            - name: containers
+              mountPath: /var/log/containers
+              readOnly: true
+            # Machine-id for consistent instance identification
+            - name: machine-id
+              mountPath: /etc/machine-id
+              readOnly: true
+          readinessProbe:
+            httpGet:
+              path: /ready
+              port: http
+            initialDelaySeconds: 10
+            periodSeconds: 10
+          livenessProbe:
+            httpGet:
+              path: /ready
+              port: http
+            initialDelaySeconds: 10
+            periodSeconds: 10
+      volumes:
+        - name: config
+          configMap:
+            name: promtail-config
+        - name: run
+          emptyDir: {}
+        - name: pods
+          hostPath:
+            path: /var/log/pods
+        - name: containers
+          hostPath:
+            path: /var/log/containers
+        - name: machine-id
+          hostPath:
+            path: /etc/machine-id

kubernetes/promtail/rbac.yaml

@@ -0,0 +1,33 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: promtail
+  namespace: monitoring
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: promtail
+rules:
+  - apiGroups: [""]
+    resources:
+      - nodes
+      - nodes/proxy
+      - services
+      - endpoints
+      - pods
+    verbs: ["get", "list", "watch"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: promtail
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: promtail
+subjects:
+  - kind: ServiceAccount
+    name: promtail
+    namespace: monitoring