apiVersion: v1
kind: ConfigMap
metadata:
  name: agent-node-datastreams
  namespace: kube-system
  labels:
    k8s-app: elastic-agent-standalone
data:
  agent.yml: |-
    outputs:
      default:
        type: elasticsearch
        hosts:
          - >-
            ${ES_HOST}
        username: ${ES_USERNAME}
        password: ${ES_PASSWORD}
    agent:
      monitoring:
        enabled: true
        use_output: default
        logs: true
        metrics: true
    providers.kubernetes:
      node: ${NODE_NAME}
      scope: node
    inputs:
      - name: kubernetes-cluster-metrics
        condition: ${kubernetes_leaderelection.leader} == true
        type: kubernetes/metrics
        use_output: default
        meta:
          package:
            name: kubernetes
            version: 1.9.0
        data_stream:
          namespace: default
        streams:
          - data_stream:
              dataset: kubernetes.apiserver
              type: metrics
            metricsets:
              - apiserver
            bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            hosts:
              - 'https://${env.KUBERNETES_SERVICE_HOST}:${env.KUBERNETES_SERVICE_PORT}'
            period: 30s
            ssl.certificate_authorities:
              - /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
          - data_stream:
              dataset: kubernetes.event
              type: metrics
            metricsets:
              - event
            period: 10s
            add_metadata: true
          - data_stream:
              dataset: kubernetes.state_container
              type: metrics
            metricsets:
              - state_container
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
            # If `https` is used to access `kube-state-metrics`, then to all `kubernetes.state_*` datasets should be added:
            # bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            # ssl.certificate_authorities:
            #   - /var/run/secrets/kubernetes.io/serviceaccount/service-ca.crt
          - data_stream:
              dataset: kubernetes.state_cronjob
              type: metrics
            metricsets:
              - state_cronjob
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
          - data_stream:
              dataset: kubernetes.state_daemonset
              type: metrics
            metricsets:
              - state_daemonset
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
          - data_stream:
              dataset: kubernetes.state_deployment
              type: metrics
            metricsets:
              - state_deployment
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
          - data_stream:
              dataset: kubernetes.state_job
              type: metrics
            metricsets:
              - state_job
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
          - data_stream:
              dataset: kubernetes.state_node
              type: metrics
            metricsets:
              - state_node
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
          - data_stream:
              dataset: kubernetes.state_persistentvolume
              type: metrics
            metricsets:
              - state_persistentvolume
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
          - data_stream:
              dataset: kubernetes.state_persistentvolumeclaim
              type: metrics
            metricsets:
              - state_persistentvolumeclaim
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
          - data_stream:
              dataset: kubernetes.state_pod
              type: metrics
            metricsets:
              - state_pod
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
          - data_stream:
              dataset: kubernetes.state_replicaset
              type: metrics
            metricsets:
              - state_replicaset
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
          - data_stream:
              dataset: kubernetes.state_resourcequota
              type: metrics
            metricsets:
              - state_resourcequota
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
          - data_stream:
              dataset: kubernetes.state_service
              type: metrics
            metricsets:
              - state_service
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
          - data_stream:
              dataset: kubernetes.state_statefulset
              type: metrics
            metricsets:
              - state_statefulset
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
          - data_stream:
              dataset: kubernetes.state_storageclass
              type: metrics
            metricsets:
              - state_storageclass
            add_metadata: true
            hosts:
              - 'kube-state-metrics:8080'
            period: 10s
      - name: system-logs
        type: logfile
        use_output: default
        meta:
          package:
            name: system
            version: 0.10.7
        data_stream:
          namespace: default
        streams:
          - data_stream:
              dataset: system.auth
              type: logs
            paths:
              - /var/log/auth.log*
              - /var/log/secure*
            exclude_files:
              - .gz$
            multiline:
              pattern: ^\s
              match: after
            processors:
              - add_fields:
                  target: ''
                  fields:
                    ecs.version: 1.12.0
          - data_stream:
              dataset: system.syslog
              type: logs
            paths:
              - /var/log/messages*
              - /var/log/syslog*
            exclude_files:
              - .gz$
            multiline:
              pattern: ^\s
              match: after
            processors:
              - add_fields:
                  target: ''
                  fields:
                    ecs.version: 1.12.0
      - name: container-log
        id: container-log-${kubernetes.pod.name}-${kubernetes.container.id}
        type: filestream
        use_output: default
        meta:
          package:
            name: kubernetes
            version: 1.9.0
        data_stream:
          namespace: default
        streams:
          - data_stream:
              dataset: kubernetes.container_logs
              type: logs
            prospector.scanner.symlinks: true
            parsers:
              - container: ~
              # - ndjson:
              #     target: json
              # - multiline:
              #     type: pattern
              #     pattern: '^\['
              #     negate: true
              #     match: after
            paths:
              - /var/log/containers/*${kubernetes.container.id}.log
      - name: audit-log
        id: audit-log
        type: filestream
        use_output: default
        meta:
          package:
            name: kubernetes
            version: 1.9.0
        data_stream:
          namespace: default
        streams:
          - data_stream:
              dataset: kubernetes.audit_logs
              type: logs
            exclude_files:
            - .gz$
            parsers:
              - ndjson:
                  add_error_key: true
                  target: kubernetes_audit
            paths:
              - /var/log/kubernetes/kube-apiserver-audit.log
              # The default path of audit logs on Openshift:
              # - /var/log/kube-apiserver/audit.log
            processors:
            - rename:
                fields:
                - from: kubernetes_audit
                  to: kubernetes.audit
            - script:
                id: dedot_annotations
                lang: javascript
                source: |
                  function process(event) {
                    var audit = event.Get("kubernetes.audit");
                    for (var annotation in audit["annotations"]) {
                      var annotation_dedoted = annotation.replace(/\./g,'_')
                      event.Rename("kubernetes.audit.annotations."+annotation, "kubernetes.audit.annotations."+annotation_dedoted)
                    }
                    return event;
                  } function test() {
                    var event = process(new Event({ "kubernetes": { "audit": { "annotations": { "authorization.k8s.io/decision": "allow", "authorization.k8s.io/reason": "RBAC: allowed by ClusterRoleBinding \"system:kube-scheduler\" of ClusterRole \"system:kube-scheduler\" to User \"system:kube-scheduler\"" } } } }));
                    if (event.Get("kubernetes.audit.annotations.authorization_k8s_io/decision") !== "allow") {
                        throw "expected kubernetes.audit.annotations.authorization_k8s_io/decision === allow";
                    }
                  }
      - name: system-metrics
        type: system/metrics
        use_output: default
        meta:
          package:
            name: system
            version: 0.10.9
        data_stream:
          namespace: default
        streams:
          - data_stream:
              dataset: system.core
              type: metrics
            metricsets:
              - core
            core.metrics:
              - percentages
          - data_stream:
              dataset: system.cpu
              type: metrics
            period: 10s
            cpu.metrics:
              - percentages
              - normalized_percentages
            metricsets:
              - cpu
          - data_stream:
              dataset: system.diskio
              type: metrics
            period: 10s
            diskio.include_devices: null
            metricsets:
              - diskio
          - data_stream:
              dataset: system.filesystem
              type: metrics
            period: 1m
            metricsets:
              - filesystem
            processors:
              - drop_event.when.regexp:
                  system.filesystem.mount_point: ^/(sys|cgroup|proc|dev|etc|host|lib|snap)($|/)
          - data_stream:
              dataset: system.fsstat
              type: metrics
            period: 1m
            metricsets:
              - fsstat
            processors:
              - drop_event.when.regexp:
                  system.fsstat.mount_point: ^/(sys|cgroup|proc|dev|etc|host|lib|snap)($|/)
          - data_stream:
              dataset: system.load
              type: metrics
            period: 10s
            metricsets:
              - load
          - data_stream:
              dataset: system.memory
              type: metrics
            period: 10s
            metricsets:
              - memory
          - data_stream:
              dataset: system.network
              type: metrics
            period: 10s
            network.interfaces: null
            metricsets:
              - network
          - data_stream:
              dataset: system.process
              type: metrics
            process.include_top_n.by_memory: 5
            period: 10s
            processes:
              - .*
            process.include_top_n.by_cpu: 5
            process.cgroups.enabled: false
            process.cmdline.cache.enabled: true
            metricsets:
              - process
            process.include_cpu_ticks: false
            system.hostfs: /hostfs
          - data_stream:
              dataset: system.process_summary
              type: metrics
            period: 10s
            metricsets:
              - process_summary
            system.hostfs: /hostfs
          - data_stream:
              dataset: system.socket_summary
              type: metrics
            period: 10s
            metricsets:
              - socket_summary
            system.hostfs: /hostfs
      - name: kubernetes-node-metrics
        type: kubernetes/metrics
        use_output: default
        meta:
          package:
            name: kubernetes
            version: 1.9.0
        data_stream:
          namespace: default
        streams:
          - data_stream:
              dataset: kubernetes.controllermanager
              type: metrics
            metricsets:
              - controllermanager
            bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            hosts:
              - 'https://${kubernetes.pod.ip}:10257'
            period: 10s
            ssl.verification_mode: none
            condition: ${kubernetes.labels.component} == 'kube-controller-manager'
            # Openshift:
            # condition: ${kubernetes.labels.app} == 'kube-controller-manager'
          - data_stream:
              dataset: kubernetes.scheduler
              type: metrics
            metricsets:
              - scheduler
            bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            hosts:
              - 'https://${kubernetes.pod.ip}:10259'
            period: 10s
            ssl.verification_mode: none
            condition: ${kubernetes.labels.component} == 'kube-scheduler'
            # Openshift:
            # condition: ${kubernetes.labels.app} == 'openshift-kube-scheduler'
          - data_stream:
              dataset: kubernetes.proxy
              type: metrics
            metricsets:
              - proxy
            hosts:
              - 'localhost:10249'
              # Openshift:
              # - 'localhost:29101'
            period: 10s
          - data_stream:
              dataset: kubernetes.container
              type: metrics
            metricsets:
              - container
            add_metadata: true
            bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            hosts:
              - 'https://${env.NODE_NAME}:10250'
            period: 10s
            ssl.verification_mode: none
            # On Openshift ssl configuration must be replaced:
            # bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            # ssl.certificate_authorities:
            #   - /path/to/ca-bundle.crt
          - data_stream:
              dataset: kubernetes.node
              type: metrics
            metricsets:
              - node
            add_metadata: true
            bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            hosts:
              - 'https://${env.NODE_NAME}:10250'
            period: 10s
            ssl.verification_mode: none
            # On Openshift ssl configuration must be replaced:
            # bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            # ssl.certificate_authorities:
            #   - /path/to/ca-bundle.crt
          - data_stream:
              dataset: kubernetes.pod
              type: metrics
            metricsets:
              - pod
            add_metadata: true
            bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            hosts:
              - 'https://${env.NODE_NAME}:10250'
            period: 10s
            ssl.verification_mode: none
            # On Openshift ssl configuration must be replaced:
            # bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            # ssl.certificate_authorities:
            #   - /path/to/ca-bundle.crt
          - data_stream:
              dataset: kubernetes.system
              type: metrics
            metricsets:
              - system
            add_metadata: true
            bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            hosts:
              - 'https://${env.NODE_NAME}:10250'
            period: 10s
            ssl.verification_mode: none
            # On Openshift ssl configuration must be replaced:
            # bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            # ssl.certificate_authorities:
            #   - /path/to/ca-bundle.crt
          - data_stream:
              dataset: kubernetes.volume
              type: metrics
            metricsets:
              - volume
            add_metadata: true
            bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            hosts:
              - 'https://${env.NODE_NAME}:10250'
            period: 10s
            ssl.verification_mode: none
            # On Openshift ssl configuration must be replaced:
            # bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
            # ssl.certificate_authorities:
            #   - /path/to/ca-bundle.crt
      # Add extra input blocks here, based on conditions
      # so as to automatically identify targeted Pods and start monitoring them
      # using a predefined integration. For instance:
      #- name: redis
      #  type: redis/metrics
      #  use_output: default
      #  meta:
      #    package:
      #      name: redis
      #      version: 0.3.6
      #  data_stream:
      #    namespace: default
      #  streams:
      #    - data_stream:
      #        dataset: redis.info
      #        type: metrics
      #      metricsets:
      #        - info
      #      hosts:
      #        - '${kubernetes.pod.ip}:6379'
      #      idle_timeout: 20s
      #      maxconn: 10
      #      network: tcp
      #      period: 10s
      #      condition: ${kubernetes.labels.app} == 'redis'
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: elastic-agent-standalone
  namespace: kube-system
  labels:
    app: elastic-agent-standalone
spec:
  selector:
    matchLabels:
      app: elastic-agent-standalone
  template:
    metadata:
      labels:
        app: elastic-agent-standalone
    spec:
      # Tolerations are needed to run Elastic Agent on Kubernetes control-plane nodes.
      # Agents running on control-plane nodes collect metrics from the control plane components (scheduler, controller manager) of Kubernetes
      tolerations:
        - key: node-role.kubernetes.io/control-plane
          effect: NoSchedule
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
      serviceAccountName: elastic-agent-standalone
      hostNetwork: true
      dnsPolicy: ClusterFirstWithHostNet
      containers:
        - name: elastic-agent-standalone
          image: docker.elastic.co/beats/elastic-agent:8.3.3
          args: [
            "-c", "/etc/agent.yml",
            "-e",
          ]
          env:
            - name: ES_USERNAME
              value: "elastic"
            - name: ES_PASSWORD
              value: ""
            - name: ES_HOST
              value: ""
            - name: NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            - name: POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
          securityContext:
            runAsUser: 0
          resources:
            limits:
              memory: 700Mi
            requests:
              cpu: 100m
              memory: 400Mi
          volumeMounts:
            - name: datastreams
              mountPath: /etc/agent.yml
              readOnly: true
              subPath: agent.yml
            - name: proc
              mountPath: /hostfs/proc
              readOnly: true
            - name: cgroup
              mountPath: /hostfs/sys/fs/cgroup
              readOnly: true
            - name: varlibdockercontainers
              mountPath: /var/lib/docker/containers
              readOnly: true
            - name: varlog
              mountPath: /var/log
              readOnly: true
            - name: etc-kubernetes
              mountPath: /hostfs/etc/kubernetes
              readOnly: true
            - name: var-lib
              mountPath: /hostfs/var/lib
              readOnly: true
            - name: passwd
              mountPath: /hostfs/etc/passwd
              readOnly: true
            - name: group
              mountPath: /hostfs/etc/group
              readOnly: true
            - name: etcsysmd
              mountPath: /hostfs/etc/systemd
              readOnly: true
      volumes:
        - name: datastreams
          configMap:
            defaultMode: 0640
            name: agent-node-datastreams
        - name: proc
          hostPath:
            path: /proc
        - name: cgroup
          hostPath:
            path: /sys/fs/cgroup
        - name: varlibdockercontainers
          hostPath:
            path: /var/lib/docker/containers
        - name: varlog
          hostPath:
            path: /var/log
        - name: etc-kubernetes
          hostPath:
            path: /etc/kubernetes
        - name: var-lib
          hostPath:
            path: /var/lib
        - name: passwd
          hostPath:
            path: /etc/passwd
        - name: group
          hostPath:
            path: /etc/group
        - name: etcsysmd
          hostPath:
            path: /etc/systemd
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: elastic-agent-standalone
subjects:
  - kind: ServiceAccount
    name: elastic-agent-standalone
    namespace: kube-system
roleRef:
  kind: ClusterRole
  name: elastic-agent-standalone
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  namespace: kube-system
  name: elastic-agent-standalone
subjects:
  - kind: ServiceAccount
    name: elastic-agent-standalone
    namespace: kube-system
roleRef:
  kind: Role
  name: elastic-agent-standalone
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: elastic-agent-standalone-kubeadm-config
  namespace: kube-system
subjects:
  - kind: ServiceAccount
    name: elastic-agent-standalone
    namespace: kube-system
roleRef:
  kind: Role
  name: elastic-agent-standalone-kubeadm-config
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: elastic-agent-standalone
  labels:
    k8s-app: elastic-agent-standalone
rules:
  - apiGroups: [""]
    resources:
      - nodes
      - namespaces
      - events
      - pods
      - services
      - configmaps
      - serviceaccounts
      - persistentvolumes
      - persistentvolumeclaims
    verbs: ["get", "list", "watch"]
  # Enable this rule only if planing to use kubernetes_secrets provider
  #- apiGroups: [""]
  #  resources:
  #  - secrets
  #  verbs: ["get"]
  - apiGroups: ["extensions"]
    resources:
      - replicasets
    verbs: ["get", "list", "watch"]
  - apiGroups: ["apps"]
    resources:
      - statefulsets
      - deployments
      - replicasets
      - daemonsets
    verbs: ["get", "list", "watch"]
  - apiGroups: ["batch"]
    resources:
      - jobs
      - cronjobs
    verbs: ["get", "list", "watch"]
  - apiGroups:
      - ""
    resources:
      - nodes/stats
    verbs:
      - get
  # required for apiserver
  - nonResourceURLs:
      - "/metrics"
    verbs:
      - get
  - apiGroups: ["rbac.authorization.k8s.io"]
    resources:
      - clusterrolebindings
      - clusterroles
      - rolebindings
      - roles
    verbs: ["get", "list", "watch"]
  - apiGroups: ["policy"]
    resources:
      - podsecuritypolicies
    verbs: ["get", "list", "watch"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: elastic-agent-standalone
  # should be the namespace where elastic-agent is running
  namespace: kube-system
  labels:
    k8s-app: elastic-agent-standalone
rules:
  - apiGroups:
      - coordination.k8s.io
    resources:
      - leases
    verbs: ["get", "create", "update"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: elastic-agent-standalone-kubeadm-config
  namespace: kube-system
  labels:
    k8s-app: elastic-agent-standalone
rules:
  - apiGroups: [""]
    resources:
      - configmaps
    resourceNames:
      - kubeadm-config
    verbs: ["get"]
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: elastic-agent-standalone
  namespace: kube-system
  labels:
    k8s-app: elastic-agent-standalone
---