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handler_helpers.go
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34 lines (29 loc) · 1.01 KB
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// Copyright © 2016 Tom Maiaroto <[email protected]>
//
// 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 framework
import (
"os"
)
// GetVariable will retrieve an "Aegis Variable" from Services.Variables or OS environment variable fallback
func (d *HandlerDependencies) GetVariable(key string) string {
valueStr := ""
if val, ok := d.Services.Variables[key]; ok {
valueStr = val
}
// Still empty? Try plain environment variable.
if valueStr == "" {
valueStr = os.Getenv(key)
}
return valueStr
}