- elasticsearch
$ kubectl create -f es-statefulset.yaml -n logging
$ kubectl create -f es-svc.yaml -n logging
$ kubectl get pods -n logging
NAME READY STATUS RESTARTS AGE
es-0 1/1 Running 0 6h9m
es-1 1/1 Running 0 6h9m
es-2 1/1 Running 0 6h8m
ps node label
$ kubectl get svc -n logging
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
elasticsearch ClusterIP None <none> 9200/TCP,9300/TCP 6h17m
- kibana
$ kubectl create -f kibana.yaml -n logging
$ kubectl get pods -n logging
NAME READY STATUS RESTARTS AGE
es-0 1/1 Running 0 6h9m
es-1 1/1 Running 0 6h9m
es-2 1/1 Running 0 6h8m
kibana-7fc6d9dcbf-9twkd 1/1 Running 0 5h22m
$ kubectl get svc -n logging
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
elasticsearch ClusterIP None <none> 9200/TCP,9300/TCP 6h9m
kibana NodePort 10.108.169.43 <none> 5601:32355/TCP 5h14m
- fluentd
为了能够灵活控制哪些节点的日志可以被收集，所以这里还添加了一个 nodSelector 属性
nodeSelector:
beta.kubernetes.io/fluentd-ds-ready: "true"
想采集节点的日志，那么我们就需要给节点打上上面的标签 我是在所有的节点打上标签
$ kubectl label nodes node名 beta.kubernetes.io/fluentd-ds-ready=true
$ kubectl get nodes --show-labels
NAME STATUS ROLES AGE VERSION LABELS
v10-104-141-164 Ready <none> 69d v1.17.3 beta.kubernetes.io/arch=amd64,beta.kubernetes.io/fluentd-ds-ready=true,beta.kubernetes.io/os=linux,kubernetes.io/arch=amd64,kubernetes.io/hostname=v10-104-141-164,kubernetes.io/os=linux
v10-104-61-249 Ready master 69d v1.17.3 beta.kubernetes.io/arch=amd64,beta.kubernetes.io/fluentd-ds-ready=true,beta.kubernetes.io/os=linux,kubernetes.io/arch=amd64,kubernetes.io/hostname=v10-104-61-249,kubernetes.io/os=linux,node-role.kubernetes.io/master=
v10-104-61-251 Ready <none> 69d v1.17.3 app=ingress,beta.kubernetes.io/arch=amd64,beta.kubernetes.io/fluentd-ds-ready=true,beta.kubernetes.io/os=linux,es=log,kubernetes.io/arch=amd64,kubernetes.io/hostname=v10-104-61-251,kubernetes.io/os=linux
v10-104-61-252 Ready <none> 69d v1.17.3 app=ingress,beta.kubernetes.io/arch=amd64,beta.kubernetes.io/fluentd-ds-ready=true,beta.kubernetes.io/os=linux,es=log,kubernetes.io/arch=amd64,kubernetes.io/hostname=v10-104-61-252,kubernetes.io/os=linux
v10-104-61-253 Ready <none> 69d v1.17.3 beta.kubernetes.io/arch=amd64,beta.kubernetes.io/fluentd-ds-ready=true,beta.kubernetes.io/os=linux,es=log,kubernetes.io/arch=amd64,kubernetes.io/hostname=v10-104-61-253,kubernetes.io/os=linux
这里需要注意的是，docker的根目录：
$ docker info
Docker Root Dir: /home/docker/data
所以上面要获取 docker 的容器目录需要更改成/home/docker/data/containers，这个地方非常重要，当然如果你没有更改 docker 根目录则使用默认的/var/lib/docker/containers目录即可
$ kubectl create -f fluentd-es-configmap.yaml -n logging
$ kubectl create -f fluentd-es-ds.yaml -n logging
$ kubectl get pods -n logging
NAME READY STATUS RESTARTS AGE
es-0 1/1 Running 0 6h14m
es-1 1/1 Running 0 6h13m
es-2 1/1 Running 0 6h13m
fluentd-es-v2.3.2-64phl 1/1 Running 0 5h18m
fluentd-es-v2.3.2-fqtpf 1/1 Running 0 5h18m
fluentd-es-v2.3.2-gjk72 1/1 Running 0 5h18m
fluentd-es-v2.3.2-m8bv5 1/1 Running 0 5h18m
fluentd-es-v2.3.2-rb6z6 1/1 Running 0 5h18m
kibana-7fc6d9dcbf-9twkd 1/1 Running 0 5h26m
访问 10.104.61.249:32355 即可打开kibana
如果对于搭建 efk 有所帮助，欢迎Star，谢谢。
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