github.com/demonoid81/containerd@v1.3.4/plugin/plugin_go18.go (about)

     1  // +build go1.8,!windows,amd64,!static_build
     2  
     3  /*
     4     Copyright The containerd Authors.
     5  
     6     Licensed under the Apache License, Version 2.0 (the "License");
     7     you may not use this file except in compliance with the License.
     8     You may obtain a copy of the License at
     9  
    10         http://www.apache.org/licenses/LICENSE-2.0
    11  
    12     Unless required by applicable law or agreed to in writing, software
    13     distributed under the License is distributed on an "AS IS" BASIS,
    14     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15     See the License for the specific language governing permissions and
    16     limitations under the License.
    17  */
    18  
    19  package plugin
    20  
    21  import (
    22  	"fmt"
    23  	"path/filepath"
    24  	"plugin"
    25  	"runtime"
    26  )
    27  
    28  // loadPlugins loads all plugins for the OS and Arch
    29  // that containerd is built for inside the provided path
    30  func loadPlugins(path string) error {
    31  	abs, err := filepath.Abs(path)
    32  	if err != nil {
    33  		return err
    34  	}
    35  	pattern := filepath.Join(abs, fmt.Sprintf(
    36  		"*-%s-%s.%s",
    37  		runtime.GOOS,
    38  		runtime.GOARCH,
    39  		getLibExt(),
    40  	))
    41  	libs, err := filepath.Glob(pattern)
    42  	if err != nil {
    43  		return err
    44  	}
    45  	for _, lib := range libs {
    46  		if _, err := plugin.Open(lib); err != nil {
    47  			return err
    48  		}
    49  	}
    50  	return nil
    51  }
    52  
    53  // getLibExt returns a platform specific lib extension for
    54  // the platform that containerd is running on
    55  func getLibExt() string {
    56  	switch runtime.GOOS {
    57  	case "windows":
    58  		return "dll"
    59  	default:
    60  		return "so"
    61  	}
    62  }