76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
package cmdline
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/spf13/cobra"
|
|
"gitlink.org.cn/cloudream/common/utils/serder"
|
|
"gitlink.org.cn/cloudream/jcs-pub/client/internal/config"
|
|
"gitlink.org.cn/cloudream/jcs-pub/common/pkgs/sysevent"
|
|
)
|
|
|
|
func init() {
|
|
cmd := &cobra.Command{
|
|
Use: "sysevent",
|
|
}
|
|
|
|
RootCmd.AddCommand(cmd)
|
|
|
|
outputJSON := false
|
|
watchCmd := &cobra.Command{
|
|
Use: "watch",
|
|
Short: "Watch system events",
|
|
Run: func(cmd *cobra.Command, args []string) {
|
|
watchSysEvent(outputJSON)
|
|
},
|
|
}
|
|
watchCmd.Flags().BoolVarP(&outputJSON, "json", "j", false, "output in JSON format")
|
|
cmd.AddCommand(watchCmd)
|
|
}
|
|
|
|
func watchSysEvent(outputJSON bool) {
|
|
host, err := sysevent.NewWatcherHost(sysevent.ConfigFromMQConfig(config.Cfg().RabbitMQ))
|
|
if err != nil {
|
|
fmt.Println(err)
|
|
return
|
|
}
|
|
|
|
ch := host.Start()
|
|
host.AddWatcherFn(func(event sysevent.SysEvent) {
|
|
if outputJSON {
|
|
data, err := serder.ObjectToJSON(event)
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "serializing event: %v\n", err)
|
|
return
|
|
}
|
|
|
|
fmt.Println(string(data))
|
|
} else {
|
|
fmt.Println(event)
|
|
}
|
|
})
|
|
for {
|
|
e, err := ch.Receive().Wait(context.Background())
|
|
if err != nil {
|
|
fmt.Println(err)
|
|
return
|
|
}
|
|
|
|
switch e := e.(type) {
|
|
case sysevent.PublishError:
|
|
fmt.Fprintf(os.Stderr, "Publish error: %v\n", e.Err)
|
|
|
|
case sysevent.PublisherExited:
|
|
if e.Err != nil {
|
|
fmt.Fprintf(os.Stderr, "Publisher exited with error: %v\n", e.Err)
|
|
}
|
|
return
|
|
|
|
case sysevent.OtherError:
|
|
fmt.Fprintf(os.Stderr, "Other error: %v\n", e.Err)
|
|
}
|
|
}
|
|
}
|