alrm/main.go

86 lines
1.8 KiB
Go

package main
import (
"encoding/json"
"fmt"
"flag"
"os"
"strings"
"alrm/config"
)
func main() {
cfgPath := flag.String("c", "", "path to configuration file")
debuglvl := flag.Int("d", 0, "debug level")
flag.Parse()
if *cfgPath == "" {
if _, err := os.Stat("./alrmrc"); err == nil {
*cfgPath = "./alrmrc"
}
if _, err := os.Stat("/etc/alrmrc"); err == nil {
*cfgPath = "/etc/alrmrc"
}
if *cfgPath == "" {
fmt.Fprintf(os.Stderr, "Cannot find configuration\n")
os.Exit(1)
}
}
command := strings.ToLower(flag.Arg(0))
switch command {
case "json":
cfg, err := config.ReadConfig(*cfgPath, *debuglvl)
if err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err.Error())
os.Exit(1)
}
o, err := json.MarshalIndent(cfg, "", " ")
if err != nil {
fmt.Fprintf(os.Stderr, "JSON error: %s\n", err.Error())
os.Exit(1)
}
fmt.Fprintf(os.Stdout, "%s\n", string(o))
case "config", "":
_, err := config.ReadConfig(*cfgPath, *debuglvl)
if err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err.Error())
os.Exit(1)
}
fmt.Fprintf(os.Stdout, "Config is OK.\n")
case "check":
tn := flag.Arg(1)
if tn == "" {
fmt.Fprintf(os.Stderr, "test requires a host or group\n")
os.Exit(1)
}
cfg, err := config.ReadConfig(*cfgPath, 0)
if err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err.Error())
os.Exit(1)
}
group, exists := cfg.Groups[tn]
if !exists {
fmt.Fprintf(os.Stderr, "group or host is not defined\n")
os.Exit(1)
}
err = group.Check(*debuglvl)
if err != nil {
fmt.Fprintf(os.Stderr, "Check failed: %s\n", err.Error())
os.Exit(1)
}
fmt.Fprintf(os.Stdout, "Check successful\n")
default:
fmt.Fprintf(os.Stderr, "Unknown command: %s\n", command)
os.Exit(1)
}
}