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Diffstat (limited to 'vendor/github.com/containernetworking/cni/pkg/invoke/find.go')
-rw-r--r--vendor/github.com/containernetworking/cni/pkg/invoke/find.go43
1 files changed, 43 insertions, 0 deletions
diff --git a/vendor/github.com/containernetworking/cni/pkg/invoke/find.go b/vendor/github.com/containernetworking/cni/pkg/invoke/find.go
new file mode 100644
index 000000000..e815404c8
--- /dev/null
+++ b/vendor/github.com/containernetworking/cni/pkg/invoke/find.go
@@ -0,0 +1,43 @@
+// Copyright 2015 CNI 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 invoke
+
+import (
+ "fmt"
+ "os"
+ "path/filepath"
+)
+
+// FindInPath returns the full path of the plugin by searching in the provided path
+func FindInPath(plugin string, paths []string) (string, error) {
+ if plugin == "" {
+ return "", fmt.Errorf("no plugin name provided")
+ }
+
+ if len(paths) == 0 {
+ return "", fmt.Errorf("no paths provided")
+ }
+
+ for _, path := range paths {
+ for _, fe := range ExecutableFileExtensions {
+ fullpath := filepath.Join(path, plugin) + fe
+ if fi, err := os.Stat(fullpath); err == nil && fi.Mode().IsRegular() {
+ return fullpath, nil
+ }
+ }
+ }
+
+ return "", fmt.Errorf("failed to find plugin %q in path %s", plugin, paths)
+}