Export .aztfySkippedResources.txt to list skipped resources, if any

internal/meta/meta_group.go

@@ -5,12 +5,14 @@ import (
 )
 
 const ResourceMappingFileName = ".aztfyResourceMapping.json"
+const SkippedResourcesFileName = ".aztfySkippedResources.txt"
 
 type GroupMeta interface {
 	meta
 	ScopeName() string
 	ListResource() (ImportList, error)
 	ExportResourceMapping(l ImportList) error
+	ExportSkippedResources(l ImportList) error
 }
 
 func NewGroupMeta(cfg config.GroupConfig) (GroupMeta, error) {

internal/meta/meta_group_dummy.go

@@ -66,3 +66,8 @@ func (m MetaGroupDummy) ExportResourceMapping(l ImportList) error {
 	time.Sleep(500 * time.Millisecond)
 	return nil
 }
+
+func (m MetaGroupDummy) ExportSkippedResources(l ImportList) error {
+	time.Sleep(500 * time.Millisecond)
+	return nil
+}

internal/meta/meta_group_impl.go

@@ -129,7 +129,7 @@ func (meta *MetaGroupImpl) ListResource() (ImportList, error) {
 func (meta MetaGroupImpl) ExportResourceMapping(l ImportList) error {
 	m := resmap.ResourceMapping{}
 	for _, item := range l {
-		if item.TFAddr.Type == "" {
+		if item.Skip() {
 			continue
 		}
 		m[strings.ToUpper(item.AzureResourceID.String())] = resmap.ResourceMapEntity{
@@ -149,6 +149,29 @@ func (meta MetaGroupImpl) ExportResourceMapping(l ImportList) error {
 	return nil
 }
 
+func (meta MetaGroupImpl) ExportSkippedResources(l ImportList) error {
+	var sl []string
+	for _, item := range l {
+		if item.Skip() {
+			sl = append(sl, "- "+item.AzureResourceID.String())
+		}
+	}
+	if len(sl) == 0 {
+		return nil
+	}
+
+	output := filepath.Join(meta.Workspace(), SkippedResourcesFileName)
+	if err := os.WriteFile(output, []byte(fmt.Sprintf(`Following resources are marked to be skipped:
+
+%s
+
+They are either not Terraform candidate resources (e.g. not managed by users), or not supported by the Terraform AzureRM provider yet.
+`, strings.Join(sl, "\n"))), 0644); err != nil {
+		return fmt.Errorf("writing the skipped resources to %s: %v", output, err)
+	}
+	return nil
+}
+
 func ptr[T any](v T) *T {
 	return &v
 }

internal/run.go

@@ -151,10 +151,21 @@ func BatchImport(cfg config.GroupConfig, continueOnError bool) error {
 			}
 		}
 
+		msg.SetStatus("Exporting Resource Mapping file...")
+		if err := c.ExportResourceMapping(list); err != nil {
+			return fmt.Errorf("exporting Resource Mapping file: %v", err)
+		}
+
+		msg.SetStatus("Exporting Skipped Resource file...")
+		if err := c.ExportSkippedResources(list); err != nil {
+			return fmt.Errorf("exporting Skipped Resource file: %v", err)
+		}
+
 		msg.SetStatus("Generating Terraform configurations...")
 		if err := c.GenerateCfg(list); err != nil {
 			return fmt.Errorf("generating Terraform configuration: %v", err)
 		}
+
 		return nil
 	}
 

internal/ui/aztfyclient/client.go

@@ -40,6 +40,10 @@ type ExportResourceMappingDoneMsg struct {
 	List meta.ImportList
 }
 
+type ExportSkippedResourcesDoneMsg struct {
+	List meta.ImportList
+}
+
 type GenerateCfgDoneMsg struct{}
 
 type QuitMsg struct{}
@@ -122,6 +126,15 @@ func ExportResourceMapping(c meta.GroupMeta, l meta.ImportList) tea.Cmd {
 	}
 }
 
+func ExportSkippedResources(c meta.GroupMeta, l meta.ImportList) tea.Cmd {
+	return func() tea.Msg {
+		if err := c.ExportSkippedResources(l); err != nil {
+			return ErrMsg(err)
+		}
+		return ExportSkippedResourcesDoneMsg{List: l}
+	}
+}
+
 func CleanTFState(addr string) tea.Cmd {
 	return func() tea.Msg {
 		return CleanTFStateMsg{addr}

internal/ui/ui.go

@@ -39,6 +39,7 @@ const (
 	statusImportErrorMsg
 	statusGeneratingCfg
 	statusExportResourceMapping
+	statusExportSkippedResources
 	statusSummary
 	statusQuitting
 	statusError
@@ -153,6 +154,9 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.status = statusExportResourceMapping
 		return m, aztfyclient.ExportResourceMapping(m.meta, msg.List)
 	case aztfyclient.ExportResourceMappingDoneMsg:
+		m.status = statusExportSkippedResources
+		return m, aztfyclient.ExportSkippedResources(m.meta, msg.List)
+	case aztfyclient.ExportSkippedResourcesDoneMsg:
 		m.status = statusGeneratingCfg
 		return m, aztfyclient.GenerateCfg(m.meta, msg.List)
 	case aztfyclient.GenerateCfgDoneMsg:
@@ -215,6 +219,8 @@ func (m model) View() string {
 		s += m.spinner.View() + " Generating Terraform Configurations..."
 	case statusExportResourceMapping:
 		s += m.spinner.View() + " Exporting Resource Mapping..."
+	case statusExportSkippedResources:
+		s += m.spinner.View() + " Exporting Skipped Resources..."
 	case statusSummary:
 		s += summaryView(m)
 	case statusError: