fix: add logging when configmap not exists

kustomize/commands/edit/remove/removeconfigmap.go

@@ -6,6 +6,7 @@ package remove
 import (
 	"errors"
 	"fmt"
+	"log"
 	"strings"
 
 	"github.com/spf13/cobra"
@@ -67,12 +68,25 @@ func (o *removeConfigMapOptions) RunRemoveConfigMap(fSys filesys.FileSystem) err
 	}
 
 	var newConfigMaps []types.ConfigMapArgs
-	for _, configMap := range m.ConfigMapGenerator {
-		if kustfile.StringInSlice(configMap.Name, o.configMapNames) {
+	foundConfigMaps := make(map[string]bool)
+	for _, removeName := range o.configMapNames {
+		foundConfigMaps[removeName] = false
+	}
+
+	for _, currentConfigMap := range m.ConfigMapGenerator {
+		if kustfile.StringInSlice(currentConfigMap.Name, o.configMapNames) {
+			foundConfigMaps[currentConfigMap.Name] = true
 			continue
 		}
-		newConfigMaps = append(newConfigMaps, configMap)
+		newConfigMaps = append(newConfigMaps, currentConfigMap)
 	}
+
+	for name, found := range foundConfigMaps {
+		if !found {
+			log.Printf("configmap %s doesn't exist in kustomization file", name)
+		}
+	}
+
 	m.ConfigMapGenerator = newConfigMaps
 	return mf.Write(m)
 }

kustomize/commands/edit/remove/removeconfigmap_test.go

@@ -14,7 +14,8 @@ import (
 )
 
 func TestRemoveConfigMap(t *testing.T) {
-	const configMapName = "example-configmap"
+	const configMapName01 = "example-configmap-01"
+	const configMapName02 = "example-configmap-02"
 
 	tests := map[string]struct {
 		input       string
@@ -29,23 +30,23 @@ configMapGenerator:
 - name: %s
   files:
   - application.properties
-`, configMapName),
-			args: []string{configMapName},
+`, configMapName01),
+			args: []string{configMapName01},
 		},
 		"multiple": {
 			input: fmt.Sprintf(`
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 configMapGenerator:
-- name: %s-01
+- name: %s
   files:
   - application.properties
-- name: %s-02
+- name: %s
   files:
   - application.properties
-`, configMapName, configMapName),
+`, configMapName01, configMapName02),
 			args: []string{
-				fmt.Sprintf("%s-01,%s-02", configMapName, configMapName),
+				fmt.Sprintf("%s,%s", configMapName01, configMapName02),
 			},
 		},
 		"miss": {
@@ -56,7 +57,7 @@ configMapGenerator:
 - name: %s
   files:
   - application.properties
-`, configMapName),
+`, configMapName01),
 			args: []string{"foo"},
 		},
 	}