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95 lines
2.0 KiB
95 lines
2.0 KiB
package main
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import (
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"alrm/config"
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"encoding/json"
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"flag"
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"fmt"
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"os"
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"strings"
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)
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func main() {
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cfgPath := flag.String("c", "", "path to configuration file")
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debuglvl := flag.Int("d", 0, "debug level")
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flag.Usage = printUsage
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flag.Parse()
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if *cfgPath == "" {
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if _, err := os.Stat("./alrmrc"); err == nil {
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*cfgPath = "./alrmrc"
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}
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if _, err := os.Stat("/etc/alrmrc"); err == nil {
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*cfgPath = "/etc/alrmrc"
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}
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if *cfgPath == "" {
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fmt.Fprintf(os.Stderr, "cannot find configuration\n")
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os.Exit(1)
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}
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}
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command := strings.ToLower(flag.Arg(0))
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switch command {
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case "config":
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cfg, err := config.ReadConfig(*cfgPath, *debuglvl)
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s\n", err.Error())
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os.Exit(1)
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}
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if *debuglvl > 0 {
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o, err := json.MarshalIndent(cfg, "", " ")
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if err != nil {
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fmt.Fprintf(os.Stderr, "JSON error: %s\n", err.Error())
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os.Exit(1)
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}
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fmt.Printf("%s\n", string(o))
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}
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fmt.Printf("config is OK\n")
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case "check":
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tn := flag.Arg(1)
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if tn == "" {
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fmt.Fprintf(os.Stderr, "check requires a host or group\n")
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os.Exit(1)
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}
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cfg, err := config.ReadConfig(*cfgPath, 0)
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s\n", err.Error())
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os.Exit(1)
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}
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group, exists := cfg.Groups[tn]
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if !exists {
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fmt.Fprintf(os.Stderr, "group or host is not defined\n")
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os.Exit(1)
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}
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err = group.Check(*debuglvl)
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if err != nil {
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fmt.Fprintf(os.Stderr, "check failed: %s\n", err.Error())
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os.Exit(1)
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}
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fmt.Printf("check successful\n")
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case "":
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printUsage()
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default:
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fmt.Fprintf(os.Stderr, "unknown command: %s\n", command)
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os.Exit(1)
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}
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}
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func printUsage() {
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fmt.Printf("Usage: %s [args] <action> ...\n", os.Args[0])
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fmt.Printf("Arguments:\n")
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fmt.Printf(" -c <path> : path to configuration file\n")
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fmt.Printf(" -d <level> : debug level (0-9, higher for more debugging)\n")
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fmt.Printf("Actions:\n")
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fmt.Printf(" verify configuration: %s [args] config\n", os.Args[0])
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fmt.Printf(" run a check manually: %s [args] check <host/group>\n", os.Args[0])
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}
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