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| 1 | +### file-watcher 文件监听器 |
| 2 | +### 介绍 |
| 3 | +`file-watcher`是基于golang实现的文件监听器,当文件有任何变更时,会产生事件,支持`Create` `Rename` `Write` `Remove`事件,并生成对应的k8s事件。 |
| 4 | + |
| 5 | +### 项目功能 |
| 6 | +- 自定义监听多个文件(使用空格分隔) |
| 7 | +- 生成k8s event(事件)(`Create` `Rename` `Write` `Remove`事件) |
| 8 | + |
| 9 | +### 项目启动 |
| 10 | +- 使用方法 |
| 11 | +```bash |
| 12 | +# go run cmd/main.go <文件路径1> <文件路径2> |
| 13 | +➜ file-watcher git:(main) go run cmd/main.go test.txt test11.yaml |
| 14 | +I0910 11:55:06.031217 55434 init_k8s_config.go:33] run outside the cluster |
| 15 | +I0910 11:55:06.033137 55434 watcher.go:36] Start watching files: /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test.txt |
| 16 | +I0910 11:55:06.033161 55434 watcher.go:36] Start watching files: /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test11.yaml |
| 17 | +2023/09/10 11:55:09 File modified: /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test11.yaml |
| 18 | +File /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test11.yaml Modified |
| 19 | +I0910 11:55:09.641927 55434 event_generator.go:100] Event generated successfully: test11.yaml-2023-09-10 11:55:09.607918 +0800 CST m=+3.591877917 |
| 20 | +2023/09/10 11:55:15 File modified: /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test.txt |
| 21 | +File /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test.txt Modified |
| 22 | +I0910 11:55:15.879443 55434 event_generator.go:100] Event generated successfully: test.txt-2023-09-10 11:55:15.874743 +0800 CST m=+9.858852501 |
| 23 | +2023/09/10 11:55:34 File renamed: /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test11.yaml |
| 24 | +File /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test11.yaml Renamed |
| 25 | +I0910 11:55:34.411631 55434 event_generator.go:100] Event generated successfully: test11.yaml-2023-09-10 11:55:34.40578 +0800 CST m=+28.3903301 |
| 26 | + |
| 27 | +``` |
| 28 | + |
| 29 | +- 生成对应的event事件类型 |
| 30 | +```bash |
| 31 | +➜ .kube kubectl get event |
| 32 | +LAST SEEN TYPE REASON OBJECT MESSAGE |
| 33 | +58m Modified Watch file change file/test.txt File /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test.txt Modified |
| 34 | +55m Modified Watch file change file/test.txt File /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test.txt Modified |
| 35 | +51m Modified Watch file change file/test.txt File /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test.txt Modified |
| 36 | +26s Modified Watch file change file/test.txt File /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test.txt Modified |
| 37 | +32s Modified Watch file change file/test11.yaml File /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test11.yaml Modified |
| 38 | +7s Renamed Watch file change file/test11.yaml File /Users/zhenyu.jiang/go/src/golanglearning/new_project/file-watcher/test11.yaml Renamed |
| 39 | +``` |
| 40 | + |
| 41 | +### 部署方式 |
| 42 | +目前支持 二进制、docker部署、k8s 集群部署 |
| 43 | +- docker 镜像 |
| 44 | +```bash |
| 45 | +docker build -t file-watcher:v1 . |
| 46 | +``` |
| 47 | + |
| 48 | +```bash |
| 49 | +[root@VM-0-16-centos yaml]# cd .. |
| 50 | +[root@VM-0-16-centos file-watcher]# kubectl apply -f yaml/rbac.yaml |
| 51 | +serviceaccount/file-watcher-sa unchanged |
| 52 | +clusterrole.rbac.authorization.k8s.io/file-watcher-clusterrole unchanged |
| 53 | +clusterrolebinding.rbac.authorization.k8s.io/file-watcher-ClusterRoleBinding unchanged |
| 54 | + |
| 55 | +[root@VM-0-16-centos file-watcher]# kubectl apply -f yaml/deploy.yaml |
| 56 | +deployment.apps/file-watcher unchanged |
| 57 | +``` |
| 58 | + |
| 59 | +注:yaml/deploy.yaml在部署时,**需要特别注意挂载问题** |
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