this repo has no description
feat: parse hosts config
+53
-15
+23
-15
cmd/nixie/main.go
+23
-15
cmd/nixie/main.go
···
3
3
import (
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"flag"
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+
"code.khuedoan.com/nixie/internal/hosts"
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+
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"github.com/charmbracelet/log"
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)
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-
type Config struct {
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+
type Flags struct {
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Address string
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Debug bool
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Flake string
···
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SSHKey string
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}
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-
func parseFlags() Config {
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var config Config
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func parseFlags() Flags {
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var flags Flags
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flag.BoolVar(&config.Debug, "debug", false, "Enable debug logging")
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flag.StringVar(&config.Address, "address", "0.0.0.0", "Address to listen on")
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flag.StringVar(&config.Flake, "flake", "", "NixOS configuration flake (for example, .)")
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flag.StringVar(&config.HostsFile, "hosts", "", "Path to hosts.json file (for example, ./hosts.json)")
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flag.StringVar(&config.Installer, "installer", "", "NixOS installer flake output (for example, .#installer)")
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flag.StringVar(&config.SSHKey, "ssh-key", "", "Path to the SSH private key (for example, ~/.ssh/id_ed25519)")
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flag.BoolVar(&flags.Debug, "debug", false, "Enable debug logging")
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flag.StringVar(&flags.Address, "address", "0.0.0.0", "Address to listen on")
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flag.StringVar(&flags.Flake, "flake", "", "NixOS configuration flake (for example, .)")
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flag.StringVar(&flags.HostsFile, "hosts", "", "Path to hosts.json file (for example, ./hosts.json)")
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+
flag.StringVar(&flags.Installer, "installer", "", "NixOS installer flake output (for example, .#installer)")
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flag.StringVar(&flags.SSHKey, "ssh-key", "", "Path to the SSH private key (for example, ~/.ssh/id_ed25519)")
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flag.Parse()
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if config.HostsFile == "" || config.Flake == "" || config.Installer == "" {
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log.Fatal("Usage: nixie --hosts <hosts.json> --flake <flake> --installer <installer-output>")
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if flags.HostsFile == "" || flags.Flake == "" || flags.Installer == "" {
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log.Fatal("usage: nixie --hosts <hosts.json> --flake <flake> --installer <installer-output>")
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}
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-
return config
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+
return flags
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}
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func setupLogging(debug bool) {
···
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}
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func main() {
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-
config := parseFlags()
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setupLogging(config.Debug)
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-
log.Debug("Parsed config", "config", config)
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flags := parseFlags()
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setupLogging(flags.Debug)
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log.Debug("parsed command line flags", "flags", flags)
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+
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hostsConfig, err := hosts.LoadHostsConfig(flags.HostsFile)
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+
if err != nil {
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log.Fatal("failed to load hosts config", "error", err)
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+
}
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+
log.Debug("parsed hosts config", "hosts", hostsConfig)
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}
+3
examples/hosts.json
+3
examples/hosts.json
+27
internal/hosts/config.go
+27
internal/hosts/config.go
···
1
+
package hosts
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+
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+
import (
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+
"encoding/json"
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"fmt"
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"os"
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)
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+
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type Host struct {
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MACAddress string `json:"mac_address"`
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}
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+
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type HostsConfig map[string]Host
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+
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func LoadHostsConfig(filename string) (HostsConfig, error) {
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+
data, err := os.ReadFile(filename)
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if err != nil {
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return nil, fmt.Errorf("failed to read hosts file: %w", err)
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}
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var hostsConfig HostsConfig
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if err := json.Unmarshal(data, &hostsConfig); err != nil {
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return nil, fmt.Errorf("failed to parse hosts file: %w", err)
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}
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return hostsConfig, nil
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}