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find.go
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find.go
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// Copyright 2015 CoreOS, Inc.
//
// 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 invoke
import (
"os"
"path/filepath"
"strings"
)
func FindInPath(plugin string, path []string) string {
for _, p := range path {
fullname := filepath.Join(p, plugin)
if fi, err := os.Stat(fullname); err == nil && fi.Mode().IsRegular() {
return fullname
}
}
return ""
}
// Find returns the full path of the plugin by searching in CNI_PATH
func Find(plugin string) string {
paths := strings.Split(os.Getenv("CNI_PATH"), ":")
return FindInPath(plugin, paths)
}