/
env.go
49 lines (45 loc) · 1.78 KB
/
env.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 config
import (
"os"
"strings"
log "github.com/sirupsen/logrus"
"github.com/spf13/viper"
)
// Bind environment variables with non-Pelican prefixes (i.e. OSDF/STASH) to correct Pelican config keys
func bindNonPelicanEnv() {
prefix := GetPreferredPrefix()
if prefix != PelicanPrefix {
found := false
envs := os.Environ()
for _, env := range envs {
if strings.HasPrefix(env, prefix.String()+"_") { // OSDF_ | STASH_
if !found {
log.Warningf("Environment variables with %s prefix will be deprecated in the next feature release. Please use PELICAN prefix instead.", prefix.String())
found = true
}
osdfKey := strings.SplitN(env, "=", 2)[0] // OSDF_FOO_BAR
viperKey := strings.Replace(strings.TrimPrefix(osdfKey, prefix.String()+"_"), "_", ".", -1) // FOO.BAR
if err := viper.BindEnv(viperKey, osdfKey); err != nil {
log.Errorf("Error binding environment variable %s to configuration parameter %s: %v", osdfKey, viperKey, err)
}
}
}
}
}