Handle aliases in comma-separated args

pkg/kubectl/resource/builder.go

@@ -256,7 +256,6 @@ func (b *Builder) SelectAllParam(selectAll bool) *Builder {
 // When two or more arguments are received, they must be a single type and resource name(s).
 // The allowEmptySelector permits to select all the resources (via Everything func).
 func (b *Builder) ResourceTypeOrNameArgs(allowEmptySelector bool, args ...string) *Builder {
-	args = b.replaceAliases(args)
 	if ok, err := hasCombinedTypeArgs(args); ok {
 		if err != nil {
 			b.errs = append(b.errs, err)
@@ -277,6 +276,10 @@ func (b *Builder) ResourceTypeOrNameArgs(allowEmptySelector bool, args ...string
 		}
 		return b
 	}
+	if len(args) > 0 {
+		// Try replacing aliases only in types
+		args[0] = b.replaceAliases(args[0])
+	}
 	switch {
 	case len(args) > 2:
 		b.names = append(b.names, args[1:]...)
@@ -296,16 +299,17 @@ func (b *Builder) ResourceTypeOrNameArgs(allowEmptySelector bool, args ...string
 	return b
 }
 
-func (b *Builder) replaceAliases(args []string) []string {
+// replaceAliases accepts an argument and tries to expand any existing
+// aliases found in it
+func (b *Builder) replaceAliases(input string) string {
 	replaced := []string{}
-	for _, arg := range args {
+	for _, arg := range strings.Split(input, ",") {
 		if aliases, ok := b.mapper.AliasesForResource(arg); ok {
 			arg = strings.Join(aliases, ",")
 		}
 		replaced = append(replaced, arg)
 	}
-
-	return replaced
+	return strings.Join(replaced, ",")
 }
 
 func hasCombinedTypeArgs(args []string) (bool, error) {
@@ -325,20 +329,6 @@ func hasCombinedTypeArgs(args []string) (bool, error) {
 	}
 }
 
-// ResourceTypeAndNameArgs expects two arguments, a resource type, and a resource name. The resource
-// matching that type and and name will be retrieved from the server.
-func (b *Builder) ResourceTypeAndNameArgs(args ...string) *Builder {
-	switch len(args) {
-	case 2:
-		b.names = append(b.names, args[1])
-		b.ResourceTypes(SplitResourceArgument(args[0])...)
-	case 0:
-	default:
-		b.errs = append(b.errs, fmt.Errorf("when passing arguments, must be resource and name"))
-	}
-	return b
-}
-
 // Flatten will convert any objects with a field named "Items" that is an array of runtime.Object
 // compatible types into individual entries and give them their own items. The original object
 // is not passed to any visitors.

pkg/kubectl/resource/builder_test.go

@@ -923,32 +923,32 @@ func TestReceiveMultipleErrors(t *testing.T) {
 func TestReplaceAliases(t *testing.T) {
 	tests := []struct {
 		name     string
-		args     []string
-		expected []string
+		arg      string
+		expected string
 	}{
 		{
 			name:     "no-replacement",
-			args:     []string{"service", "pods", "rc"},
-			expected: []string{"service", "pods", "rc"},
+			arg:      "service",
+			expected: "service",
 		},
 		{
 			name:     "all-replacement",
-			args:     []string{"all"},
-			expected: []string{"rc,svc,pods,pvc"},
+			arg:      "all",
+			expected: "rc,svc,pods,pvc",
+		},
+		{
+			name:     "alias-in-comma-separated-arg",
+			arg:      "all,secrets",
+			expected: "rc,svc,pods,pvc,secrets",
 		},
 	}
 
 	b := NewBuilder(latest.RESTMapper, api.Scheme, fakeClient())
 
 	for _, test := range tests {
-		replaced := b.replaceAliases(test.args)
-		if len(replaced) != len(test.expected) {
-			t.Errorf("%s: unexpected args length: expected %d, got %d", test.name, len(test.expected), len(replaced))
-		}
-		for i, arg := range test.expected {
-			if arg != replaced[i] {
-				t.Errorf("%s: unexpected argument: expected %s, got %s", test.name, arg, replaced[i])
-			}
+		replaced := b.replaceAliases(test.arg)
+		if replaced != test.expected {
+			t.Errorf("%s: unexpected argument: expected %s, got %s", test.name, test.expected, replaced)
 		}
 	}
 }