github 地址:https://github.com/AliyunContainerService/log-pilot
log-pilot是一个很棒的 docker 日志工具。可以从dockerlog-pilot主机收集日志并将它们发送到您的集中式日志系统,例如 elasticsearch、graylog2、awsog 等。log-pilot不仅可以收集 docker stdout,还可以收集 docker 容器内的日志文件。
为了方便测试,在单机部署了一个Elasticsearch+Kibana
# 部署Elasticsearch
docker run -d --name elasticsearch -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" elasticsearch:6.8.23
# 部署Kibana (ELASTICSEARCH_URL请换成自己本地ip)
docker run --name kibana -e ELASTICSEARCH_URL=http://192.168.0.71:9200 -p 5601:5601 -d kibana:6.8.23
成功访问Kibana
注意:ELASTICSEARCH_HOST 、ELASTICSEARCH_PORT 需要换成刚刚创建Elasticsearch地址
如果是集群,ELASTICSEARCH_HOSTS 变量写多个地址即可,中间用逗号隔开
pilot-elasticsearch-kubernetes.yml
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: log-pilot
labels:
k8s-app: log-pilot
spec:
updateStrategy:
type: RollingUpdate
selector:
matchLabels:
k8s-app: log-pilot
template:
metadata:
labels:
k8s-app: log-pilot
spec:
tolerations:
- key: node-role.kubernetes.io/master
effect: NoSchedule
containers:
- name: log-pilot
image: registry.cn-hangzhou.aliyuncs.com/acs/log-pilot:0.9.5-fluentd
env:
- name: "LOGGING_OUTPUT"
value: "elasticsearch"
- name: "ELASTICSEARCH_HOST"
value: "192.168.0.71" #changeme
- name: "ELASTICSEARCH_PORT"
value: "9200" #changeme
- name: "NODE_NAME"
valueFrom:
fieldRef:
fieldPath: spec.nodeName
volumeMounts:
- name: sock
mountPath: /var/run/docker.sock
- name: root
mountPath: /host
readOnly: true
- name: pos
mountPath: /pilot/pos
- name: localtime
mountPath: /etc/localtime
securityContext:
capabilities:
add:
- SYS_ADMIN
#terminationGracePeriodSeconds: 30
volumes:
- name: sock
hostPath:
path: /var/run/docker.sock
- name: root
hostPath:
path: /
- name: pos
emptyDir: {}
- name: localtime
hostPath:
path: /etc/localtime
在k8s集群部署
kubectl apply -f pilot-elasticsearch-kubernetes.yml
部署成功
tomcat.yml
apiVersion: v1
kind: Pod
metadata:
name: tomcat
spec:
tolerations:
- key: "node-role.kubernetes.io/master"
effect: "NoSchedule"
containers:
- name: tomcat
image: "tomcat:7.0"
env:
- name: aliyun_logs_catalina
value: "stdout" # 告诉 log-pilot 这个容器要收集 stdout 日志。
- name: aliyun_logs_access
value: "/usr/local/tomcat/logs/catalina.*.log" # 则表示要收集容器内 /usr/local/tomcat/logs/ 目录下所有名字匹配 catalina.*.log的文件日志。
volumeMounts:
- name: tomcat-log
mountPath: /usr/local/tomcat/logs
volumes:
- name: tomcat-log
emptyDir: {}
启动服务后,会自动按天创建两个索引
接下来就可以愉快的玩耍了!!!
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