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options.go
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options.go
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// Copyright 2018 Istio Authors
//
// 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 creds
import (
"path/filepath"
"github.com/spf13/cobra"
)
// Options defines the credential options required for MCP.
type Options struct {
// CertificateFile to use for mTLS gRPC.
CertificateFile string
// KeyFile to use for mTLS gRPC.
KeyFile string
// CACertificateFile is the trusted root certificate authority's cert file.
CACertificateFile string
}
// DefaultOptions returns default credential options.
func DefaultOptions() *Options {
return &Options{
CertificateFile: filepath.Join(defaultCertDir, defaultCertificateFile),
KeyFile: filepath.Join(defaultCertDir, defaultKeyFile),
CACertificateFile: filepath.Join(defaultCertDir, defaultCACertificateFile),
}
}
// AttachCobraFlags attaches a set of Cobra flags to the given Cobra command.
//
// Cobra is the command-line processor that Istio uses. This command attaches
// the necessary set of flags to configure the MCP options.
func (c *Options) AttachCobraFlags(cmd *cobra.Command) {
cmd.PersistentFlags().StringVarP(&c.CertificateFile, "certFile", "", c.CertificateFile,
"The location of the certificate file for mutual TLS")
cmd.PersistentFlags().StringVarP(&c.KeyFile, "keyFile", "", c.KeyFile,
"The location of the key file for mutual TLS")
cmd.PersistentFlags().StringVarP(&c.CACertificateFile, "caCertFile", "", c.CACertificateFile,
"The location of the certificate file for the root certificate authority")
}