backive/cmd/backive_udev/main.go

54 lines
1.2 KiB
Go

package main
import (
"encoding/json"
"fmt"
"log"
"net"
"os"
"strings"
)
// main Simple main function for the udev callback executable, registered with the udev service.
func main() {
udevLogdir := "/var/log/backive"
udevLogname := "/var/log/backive/udev.log"
if _, err := os.Stat(udevLogdir); err == nil {
//ignore
} else if os.IsNotExist(err) {
os.MkdirAll(udevLogdir, 0755)
}
f, err := os.OpenFile(udevLogname, os.O_APPEND|os.O_CREATE|os.O_RDWR, 0666)
if err != nil {
fmt.Println("Error creating logfile!")
panic("no logfile no info")
}
defer f.Close()
log.SetOutput(f)
env := map[string]string{}
for _, e := range os.Environ() {
pair := strings.SplitN(e, "=", 2)
env[pair[0]] = pair[1]
log.Println(e)
}
message := map[string]interface{}{}
message["request"] = "udev"
message["data"] = env
c, err := net.Dial("unix", "/var/local/backive/backive.sock")
if err != nil {
log.Fatalln("Could not instantiate unix socket. Aborting")
}
jsonstr, err := json.Marshal(message)
if err != nil {
log.Fatalln("Could not convert to json. Aborting")
}
c.Write(jsonstr)
defer c.Close()
log.Printf("Sent %d bytes to unix socket.\n", len(jsonstr))
}