84 lines
2.6 KiB
Go
84 lines
2.6 KiB
Go
package cmd
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import (
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"fmt"
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"os"
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"strings"
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"git.ar21.de/yolokube/grafana-backuper/internal/config"
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"git.ar21.de/yolokube/grafana-backuper/internal/logger"
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"git.ar21.de/yolokube/grafana-backuper/internal/version"
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"github.com/rs/zerolog"
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"github.com/rs/zerolog/log"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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"github.com/spf13/viper"
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)
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const envVarPrefix = "GB"
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func NewRootCommand(c *config.Config) *cobra.Command {
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rootCmd := &cobra.Command{
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Use: "grafana-backuper",
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Short: "Grafana Backuper CLI",
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Long: "A command-line tool to back up and restore Grafana dashboards",
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Version: version.Version(),
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PersistentPreRun: func(cmd *cobra.Command, _ []string) {
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initializeConfig(cmd)
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// c.Output = os.Stdout
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cmd.SetOut(os.Stdout)
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zerolog.SetGlobalLevel(zerolog.InfoLevel)
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if c.Debug {
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zerolog.SetGlobalLevel(zerolog.DebugLevel)
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} else if c.Quiet {
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zerolog.SetGlobalLevel(zerolog.ErrorLevel)
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}
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if c.JSONFormat {
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log.Logger = logger.JSONLoggerLayout(os.Stderr)
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c.Logger = logger.JSONLoggerLayout(os.Stdout)
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} else {
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log.Logger = logger.CliLoggerLayout(os.Stderr)
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c.Logger = logger.CliLoggerLayout(os.Stdout)
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}
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},
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SilenceUsage: true,
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}
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rootCmd.PersistentFlags().BoolVarP(&c.Debug, "debug", "d", false, "Debug output")
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rootCmd.PersistentFlags().BoolVar(&c.JSONFormat, "json", false, "JSON output")
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rootCmd.PersistentFlags().BoolVar(&c.Quiet, "quiet", false, "Quiet output (only errors)")
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rootCmd.PersistentFlags().StringVar(&c.GrafanaURL, "grafana-url", "", "Grafana URL to access the API")
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rootCmd.PersistentFlags().StringVar(&c.GrafanaToken, "grafana-token", "", "Grafana auth token to access the API")
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rootCmd.PersistentFlags().StringVar(&c.GitBranch, "git-branch", "main", "Git branch name")
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rootCmd.PersistentFlags().StringVar(&c.GitRepo, "git-repo", "", "Complete Git repository URL")
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rootCmd.PersistentFlags().StringVar(&c.GitUser, "git-user", "", "Git user name")
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rootCmd.PersistentFlags().StringVar(&c.GitPass, "git-pass", "", "Git user password")
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return rootCmd
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}
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func initializeConfig(cmd *cobra.Command) {
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v := viper.New()
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v.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
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v.SetEnvPrefix(envVarPrefix)
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v.AutomaticEnv()
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bindFlags(cmd, v)
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}
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func bindFlags(cmd *cobra.Command, v *viper.Viper) {
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cmd.Flags().VisitAll(func(flag *pflag.Flag) {
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// Apply the viper config value to the flag when the flag is not set and viper has a value
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if !flag.Changed && v.IsSet(flag.Name) {
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err := cmd.Flags().Set(
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flag.Name,
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fmt.Sprintf("%v", v.Get(flag.Name)),
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)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error: %v\n", err)
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}
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}
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})
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}
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