chore: use struct templater for component resource selector

Author: yashmehrotra

pkg/topology/component_relationship.go

@@ -8,28 +8,22 @@ import (
 	"github.com/flanksource/duty/job"
 	"github.com/flanksource/duty/models"
 	"github.com/flanksource/duty/query"
-	"github.com/flanksource/duty/types"
-	"github.com/flanksource/gomplate/v3"
 	"github.com/google/uuid"
 	"github.com/pkg/errors"
 	"github.com/samber/lo"
 	"gorm.io/gorm/clause"
 )
 
-func templateSelectorSearch(comp models.Component) (types.ResourceSelectors, error) {
+func templateSelector(ctx context.Context, comp *models.Component) error {
 	for i, rs := range comp.Selectors {
 		if rs.Search != "" {
-			output, err := gomplate.RunTemplate(
-				map[string]any{"self": comp.AsMap()},
-				gomplate.Template{Template: rs.Search, LeftDelim: "$(", RightDelim: ")"},
-			)
-			if err != nil {
-				return comp.Selectors, fmt.Errorf("error templating resource selector search for component[%s] search[%s]: %w", comp.ID, rs.Search, err)
+			t := ctx.NewStructTemplater(map[string]any{"self": comp.AsMap()}, "template", nil)
+			if err := t.Walk(&comp.Selectors[i]); err != nil {
+				return fmt.Errorf("error templating resource selector search for component[%s] search[%s]: %w", comp.ID, rs.Search, err)
 			}
-			comp.Selectors[i].Search = output
 		}
 	}
-	return comp.Selectors, nil
+	return nil
 }
 
 var ComponentRelationshipSync = &job.Job{
@@ -48,13 +42,12 @@ var ComponentRelationshipSync = &job.Job{
 
 		for _, component := range components {
 			hash := component.Selectors.Hash()
-			selectors, err := templateSelectorSearch(component)
-			if err != nil {
+			if err := templateSelector(ctx.Context, &component); err != nil {
 				ctx.History.AddError(err)
 				continue
 			}
 
-			comps, err := query.FindComponents(ctx.Context, -1, selectors...)
+			comps, err := query.FindComponents(ctx.Context, -1, component.Selectors...)
 			if err != nil {
 				ctx.History.AddError(fmt.Sprintf("error getting components with selectors: %v. err: %v", component.Selectors, err))
 				continue