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parameters.go
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parameters.go
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// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package parameters
import (
"fmt"
"strings"
"github.com/GoogleCloudPlatform/k8s-config-connector/pkg/util/valutil"
)
const (
OutputFormatParam = "output-format"
TableOutputFormat = "table"
JSONOutputFormat = "json"
YAMLOutputFormat = "yaml"
DefaultOutputFormat = TableOutputFormat
)
type Parameters struct {
OutputFormat string
}
func Validate(params *Parameters) error {
return validateResourceFormat(params.OutputFormat)
}
func validateResourceFormat(value string) error {
resourceFormatOptions := []string{TableOutputFormat, JSONOutputFormat, YAMLOutputFormat}
if valutil.IsDefaultValue(value) {
return fmt.Errorf("invalid empty value for %v: must be one of {%v}", OutputFormatParam, strings.Join(resourceFormatOptions, ", "))
}
for _, o := range resourceFormatOptions {
if value == o {
return nil
}
}
return fmt.Errorf("invalid %v value of '%v': must be one of {%v}", OutputFormatParam, value, strings.Join(resourceFormatOptions, ", "))
}