My metcibeat yaml is following：
apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
name: metricbeat
namespace: metricbeat
labels:
k8s-app: metricbeat
spec:
template:
metadata:
labels:
k8s-app: metricbeat
spec:
serviceAccountName: metricbeat-new
terminationGracePeriodSeconds: 30
hostNetwork: true
dnsPolicy: ClusterFirstWithHostNet
containers:
- name: metricbeat
image: docker.elastic.co/beats/metricbeat:6.4.1
args: [
"-c", "/etc/metricbeat.yml",
"-e",
"-system.hostfs=/hostfs",
]
env:
- name: ELASTICSEARCH_HOST
value: "172.27.128.69"
- name: ELASTICSEARCH_PORT
value: "9200"
- name: KIBANA_HOST
value: "http://172.27.128.69:5601"
- name: NODE_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: NODE_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
securityContext:
runAsUser: 0
resources:
limits:
memory: 1Gi
requests:
cpu: 100m
memory: 1Gi
volumeMounts:
- name: config
mountPath: /etc/metricbeat.yml
readOnly: true
subPath: metricbeat.yml
- name: modules
mountPath: /usr/share/metricbeat/modules.d
readOnly: true
- name: dockersock
mountPath: /var/run/docker.sock
- name: proc
mountPath: /hostfs/proc
readOnly: true
- name: cgroup
mountPath: /hostfs/sys/fs/cgroup
readOnly: true
- name: etc
mountPath: /hostfs/etc
readOnly: true
volumes:
- name: proc
hostPath:
path: /proc
- name: cgroup
hostPath:
path: /sys/fs/cgroup
- name: etc
hostPath:
path: /etc
- name: dockersock
hostPath:
path: /var/run/docker.sock
- name: config
configMap:
defaultMode: 0600
name: metricbeat-daemonset-config
- name: modules
configMap:
defaultMode: 0600
name: metricbeat-daemonset-modules
- name: data
hostPath:
path: /var/lib/metricbeat-data
type: DirectoryOrCreate
---
apiVersion: v1
kind: ConfigMap
metadata:
name: metricbeat-daemonset-modules
namespace: metricbeat
labels:
k8s-app: metricbeat
data:
system.yml: |-
- module: system
period: 30s
metricsets:
- cpu
- load
- memory
- network
- process
- process_summary
- core
- diskio
- socket
cpu.metrics: [percentages, normalized_percentages, ticks]
diskio.include_devices: []
processes: ['.*']
process.include_top_n:
by_cpu: 5 # include top 5 processes by CPU
by_memory: 5 # include top 5 processes by memory
- module: system
period: 1m
metricsets:
- filesystem
- fsstat
processors:
- drop_event.when.regexp:
system.filesystem.mount_point: '^/(sys|cgroup|proc|dev|etc|host|lib)($|/)'
However，filesystem metricset can't get host filesystem statistics:
