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director.go
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director.go
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/***************************************************************
*
* Copyright (C) 2024, Pelican Project, Morgridge Institute for Research
*
* 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 main
import (
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var (
directorCmd = &cobra.Command{
Use: "director",
Short: "Launch a Pelican Director",
Long: `Launch a Pelican Director service:
The Pelican Director is the primary mechanism by which clients/caches
can discover the source of a requested resource. It has two endpoints
at /api/v1.0/director/origin/ and /api/v1.0/director/object/, where the
former redirects to the closest origin supporting the object and the
latter redirects to the closest cache. As a shortcut, requests to the
director at /foo/bar will be treated as a request for the object from
cache.`,
}
directorServeCmd = &cobra.Command{
Use: "serve",
Short: "serve the director service",
RunE: serveDirector,
SilenceUsage: true,
}
)
func init() {
// Tie the directorServe command to the root CLI command
directorCmd.AddCommand(directorServeCmd)
// Set up flags for the command
directorServeCmd.Flags().AddFlag(portFlag)
directorServeCmd.Flags().StringP("default-response", "", "", "Set whether the default endpoint should redirect clients to caches or origins")
err := viper.BindPFlag("Director.DefaultResponse", directorServeCmd.Flags().Lookup("default-response"))
if err != nil {
panic(err)
}
}