140 lines
3.4 KiB
Go
140 lines
3.4 KiB
Go
package edit
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import (
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"fmt"
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"io"
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"os"
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"strings"
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"github.com/spf13/cobra"
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"github.com/warewulf/warewulf/internal/pkg/node"
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"github.com/warewulf/warewulf/internal/pkg/util"
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"github.com/warewulf/warewulf/internal/pkg/warewulfd"
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"github.com/warewulf/warewulf/internal/pkg/wwlog"
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"gopkg.in/yaml.v3"
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)
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func CobraRunE(cmd *cobra.Command, args []string) error {
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if !node.CanWriteConfig() {
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return fmt.Errorf("can not write to config: exiting")
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}
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editor := os.Getenv("EDITOR")
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if editor == "" {
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editor = "/bin/vi"
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}
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wwlog.Debug("using editor: %s", editor)
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registry, regErr := node.New()
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if regErr != nil {
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return regErr
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}
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if len(args) == 0 {
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for profileID := range registry.NodeProfiles {
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args = append(args, profileID)
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}
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}
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wwlog.Debug("profile list: %v", args)
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tempFile, tempErr := os.CreateTemp(os.TempDir(), "ww4ProfileEdit*.yaml")
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if tempErr != nil {
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return fmt.Errorf("could not create temp file: %s", tempErr)
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}
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defer os.Remove(tempFile.Name())
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if !NoHeader {
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yamlTemplate := node.ConfToYaml(node.Profile{}, nil)
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if _, err := tempFile.WriteString("#profilename:\n# " + strings.Join(yamlTemplate, "\n# ") + "\n"); err != nil {
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return err
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}
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}
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origProfiles := make(map[string]*node.Profile)
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for _, profileID := range args {
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if n, ok := registry.NodeProfiles[profileID]; ok {
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origProfiles[profileID] = n
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}
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}
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if origYaml, err := util.EncodeYaml(origProfiles); err != nil {
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return err
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} else if _, err := tempFile.Write(origYaml); err != nil {
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return err
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}
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sum1, sumErr := util.HashFile(tempFile)
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if sumErr != nil {
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return sumErr
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}
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wwlog.Debug("original hash: %s", sum1)
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for {
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if err := util.ExecInteractive(editor, tempFile.Name()); err != nil {
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return fmt.Errorf("editor process exited with non-zero code: %w", err)
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}
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sum2, sumErr := util.HashFile(tempFile)
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if sumErr != nil {
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return sumErr
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}
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wwlog.Debug("edited hash: %s", sum2)
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if sum1 != sum2 {
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wwlog.Debug("modified")
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editYaml, err := io.ReadAll(tempFile)
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if err != nil {
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return err
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}
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editProfiles := make(map[string]*node.Profile)
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if err := yaml.Unmarshal(editYaml, &editProfiles); err != nil {
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wwlog.Error("%v\n", err)
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if util.Confirm("Parse error: retry") {
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continue
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} else {
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break
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}
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}
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var added, deleted, updated int
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for profileID := range origProfiles {
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if editProfile, ok := editProfiles[profileID]; !ok || editProfile == nil {
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wwlog.Verbose("delete profile: %s", profileID)
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delete(registry.NodeProfiles, profileID)
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deleted += 1
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}
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}
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for profileID := range editProfiles {
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if _, ok := origProfiles[profileID]; !ok {
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wwlog.Verbose("add profile: %s", profileID)
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added += 1
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registry.NodeProfiles[profileID] = editProfiles[profileID]
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} else if equalYaml, err := util.EqualYaml(origProfiles[profileID], editProfiles[profileID]); err != nil {
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return err
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} else if !equalYaml {
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wwlog.Verbose("update profile: %s", profileID)
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updated += 1
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registry.NodeProfiles[profileID] = editProfiles[profileID]
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}
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}
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if util.Confirm(fmt.Sprintf("Are you sure you want to add %d, delete %d, and update %d profiles", added, deleted, updated)) {
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if err := registry.Persist(); err != nil {
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return err
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}
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if err := warewulfd.DaemonReload(); err != nil {
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return fmt.Errorf("failed to reload warewulf daemon: %w", err)
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}
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}
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break
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} else {
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wwlog.Verbose("No changes")
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break
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}
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}
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return nil
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}
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