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main.go
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main.go
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//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 main
import (
"flag"
"os"
"path/filepath"
"strings"
"github.com/pkg/errors"
"k8s.io/klog/v2"
"kubevirt.io/containerized-data-importer/pkg/util"
"kubevirt.io/containerized-data-importer/tests/utils"
)
const (
serviceName = "cdi-docker-registry-host"
configMapName = serviceName + "-certs"
certFile = "domain.crt"
keyFile = "domain.key"
)
func main() {
certDir := flag.String("certDir", "", "")
inFile := flag.String("inFile", "", "")
outDir := flag.String("outDir", "", "")
klog.InitFlags(nil)
flag.Parse()
ft := &formatTable{
[]string{""},
[]string{".tar"},
[]string{".tar", ".gz"},
[]string{".qcow2"},
}
if err := ft.generateFiles(*inFile, *outDir); err != nil {
klog.Fatal(errors.Wrapf(err, "generating files from %s to %s' errored: ", *inFile, *outDir))
}
if err := utils.CreateCertForTestService(util.GetNamespace(), serviceName, configMapName, *certDir, certFile, keyFile); err != nil {
klog.Fatal(errors.Wrapf(err, "populate certificate directory %s' errored: ", *certDir))
}
}
func (ft formatTable) generateFiles(inFile, outDir string) error {
klog.Info("Generating test files")
if err := os.MkdirAll(outDir, 0777); err != nil {
return err
}
if err := ft.initializeTestFiles(inFile, outDir); err != nil {
return err
}
klog.Info("File initialization completed without error")
return nil
}
type formatTable [][]string
func (ft formatTable) initializeTestFiles(inFile, outDir string) error {
sem := make(chan bool, 2)
errChan := make(chan error, len(ft))
reportError := func(err error, msg string, format ...interface{}) {
e := errors.Wrapf(err, msg, format...)
klog.Error(e)
errChan <- e
return
}
for _, fList := range ft {
sem <- true
go func(i, o string, f []string) {
defer func() { <-sem }()
klog.Infof("Generating file %s\n", f)
ext := strings.Join(f, "")
tmpDir := filepath.Join(o, "tmp"+ext)
if err := os.Mkdir(tmpDir, 0777); err != nil {
reportError(err, "Error creating temp dir %s", tmpDir)
return
}
defer func() {
if err := os.RemoveAll(tmpDir); err != nil {
reportError(err, "Error deleting tmp dir %s", tmpDir)
}
}()
klog.Infof("Mkdir %s\n", tmpDir)
p, err := utils.FormatTestData(i, tmpDir, f...)
if err != nil {
reportError(err, "Error formatting files")
return
}
if err = os.Rename(p, filepath.Join(o, filepath.Base(p))); err != nil {
reportError(err, "Error moving file %s to %s", p, o)
return
}
klog.Infof("Generated file %q\n", p)
}(inFile, outDir, fList)
}
for i := 0; i < cap(sem); i++ {
sem <- true
}
close(errChan)
if len(errChan) > 0 {
for err := range errChan {
klog.Error(err)
}
return errors.New("Error(s) occurred during file conversion")
}
return nil
}