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binaries.go
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binaries.go
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// Copyright Istio 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 install
import (
"os"
"path/filepath"
"istio.io/istio/pkg/file"
"istio.io/istio/pkg/util/sets"
)
// Copies/mirrors any files present in a single source dir to N number of target dirs
// and returns a set of the filenames copied.
func copyBinaries(srcDir string, targetDirs []string) (sets.String, error) {
copiedFilenames := sets.String{}
srcFiles, err := os.ReadDir(srcDir)
if err != nil {
return copiedFilenames, err
}
for _, f := range srcFiles {
if f.IsDir() {
continue
}
filename := f.Name()
srcFilepath := filepath.Join(srcDir, filename)
for _, targetDir := range targetDirs {
if err := file.AtomicCopy(srcFilepath, targetDir, filename); err != nil {
installLog.Errorf("Failed file copy of %s to %s: %s", srcFilepath, targetDir, err.Error())
return copiedFilenames, err
}
installLog.Infof("Copied %s to %s.", filename, targetDir)
}
copiedFilenames.Insert(filename)
}
return copiedFilenames, nil
}