Kubernetes EFK
Elasticsearch + Fluentd + kibana 的構(gòu)建：
Elasticsearch-rc 配置文件：
apiVersion: v1
kind: ReplicationController
metadata:
??name: elasticsearch-logging-v1
??namespace: kube-system
??labels:
????k8s-app: elasticsearch-logging
????version: v1
????kubernetes.io/cluster-service:?"true"
spec:
??replicas: 2
??selector:
????k8s-app: elasticsearch-logging
????version: v1
??template:
????metadata:
??????labels:
????????k8s-app: elasticsearch-logging
????????version: v1
????????kubernetes.io/cluster-service:?"true"
????spec:
??????containers:
??????- image: gcr.io/google-containers/elasticsearch:v2.4.1
????????name: elasticsearch-logging
????????resources:
??????????# need more cpu upon initialization, therefore burstable class
??????????limits:
????????????cpu: 1000m
??????????requests:
????????????cpu: 100m
????????ports:
????????- containerPort: 9200
??????????name: db
??????????protocol: TCP
????????- containerPort: 9300
??????????name: transport
??????????protocol: TCP
????????volumeMounts:
????????- name: es-persistent-storage
??????????mountPath:?/data
??????volumes:
??????- name: es-persistent-storage
????????emptyDir: {}
Elasticsearch-svc 配置文件：
apiVersion: v1
kind: Service
metadata:
??name: elasticsearch-logging
??namespace: kube-system
??labels:
????k8s-app: elasticsearch-logging
????kubernetes.io/cluster-service:?"true"
????kubernetes.io/name:?"Elasticsearch"
spec:
??ports:
??- port: 9200
????name: http
????protocol: TCP
????targetPort: db
??selector:
????k8s-app: elasticsearch-logging
kibana-rc 配置文件：
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
??name: kibana-logging
??namespace: kube-system
??labels:
????k8s-app: kibana-logging
????kubernetes.io/cluster-service:?"true"
spec:
??replicas: 1
??selector:
????matchLabels:
??????k8s-app: kibana-logging
??template:
????metadata:
??????labels:
????????k8s-app: kibana-logging
????spec:
??????containers:
??????- name: kibana-logging
????????image: gcr.io/google-containers/kibana:v4.6.1
????????resources:
??????????# keep request = limit to keep this container in guaranteed class
??????????limits:
????????????cpu: 100m
??????????requests:
????????????cpu: 100m
????????env:
??????????- name:?"ELASTICSEARCH_URL"
????????????value:?"http://elasticsearch-logging:9200"
????????ports:
????????- containerPort: 5601
??????????name: ui
??????????protocol: TCP
kibana-svc 配置文件：
apiVersion: v1
kind: Service
metadata:
??name: kibana-logging
??namespace: kube-system
??labels:
????k8s-app: kibana-logging
????kubernetes.io/cluster-service:?"true"
????kubernetes.io/name:?"Kibana"
spec:
??ports:
??- port: 5601
????name: http
????protocol: TCP
????targetPort: ui
??selector:
????k8s-app: kibana-logging
fluentd-configmap 配置文件：
fluentd-configmap.yml?展開源碼
fluentd-daemonset 配置文件：
apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
??name: fluentd-elasticsearch
??namespace: kube-system
??labels:
????k8s-app: fluentd-logging
spec:
??template:
????metadata:
??????labels:
????????name: fluentd-elasticsearch
????spec:
??????containers:
??????- name: fluentd-elasticsearch
????????image: gcr.io/google-containers/fluentd-elasticsearch:1.20
????????resources:
??????????limits:
????????????memory: 200Mi
??????????requests:
????????????cpu: 100m
????????????memory: 200Mi
????????volumeMounts:
????????- name: varlog
??????????mountPath:?/var/log
????????- name: varlibdockercontainers
??????????mountPath:?/var/lib/docker/containers
??????????readOnly:?true
????????- mountPath:?"/etc/td-agent/"
??????????name: config-volume
??????terminationGracePeriodSeconds: 30
??????volumes:
??????- name: varlog
????????hostPath:
??????????path:?/var/log
??????- name: varlibdockercontainers
????????hostPath:
??????????path:?/var/lib/docker/containers
??????- name: config-volume
????????configMap:
??????????name: fluentd
正常啟動后就會看到日志。
