68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
package config
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import (
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"fmt"
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"os"
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"github.com/spf13/cobra"
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"github.com/warewulf/warewulf/internal/app/wwctl/completions"
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"github.com/warewulf/warewulf/internal/pkg/config"
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"github.com/warewulf/warewulf/internal/pkg/upgrade"
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"github.com/warewulf/warewulf/internal/pkg/util"
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)
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var (
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inputPath string
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outputPath string
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)
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func GetCommand() *cobra.Command {
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command := &cobra.Command{
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DisableFlagsInUseLine: true,
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Use: "config [OPTIONS]",
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Short: "Upgrade an existing warewulf.conf",
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Long: `Upgrades warewulf.conf from a previous version of Warewulf 4 to a format
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supported by the current version.`,
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RunE: UpgradeNodesConf,
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Args: cobra.NoArgs,
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ValidArgsFunction: completions.None,
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}
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command.Flags().StringVarP(&inputPath, "input-path", "i", "", "Path to a legacy warewulf.conf")
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command.Flags().StringVarP(&outputPath, "output-path", "o", "", "Path to write the upgraded warewulf.conf to")
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return command
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}
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func UpgradeNodesConf(cmd *cobra.Command, args []string) error {
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if inputPath == "" {
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inputPath = config.ConfigFile
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}
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if outputPath == "" {
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outputPath = config.ConfigFile
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}
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data, err := os.ReadFile(inputPath)
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if err != nil {
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return err
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}
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legacy, err := upgrade.ParseConfig(data)
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if err != nil {
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return err
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}
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upgraded := legacy.Upgrade()
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if outputPath == "-" {
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upgradedYaml, err := upgraded.Dump()
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if err != nil {
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return err
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}
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fmt.Print(string(upgradedYaml))
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return nil
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} else {
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if util.IsFile(outputPath) {
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if err := util.CopyFile(outputPath, outputPath+"-old"); err != nil {
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return err
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}
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}
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return upgraded.PersistToFile(outputPath)
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}
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}
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