mirror of
https://github.com/kubevirt/containerized-data-importer.git
synced 2025-06-03 06:30:22 +00:00
115 lines
2.5 KiB
Go
115 lines
2.5 KiB
Go
/*
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* This file is part of the CDI project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2018 Red Hat, Inc.
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*
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*/
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package main
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import (
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"flag"
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"os"
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"strconv"
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"github.com/golang/glog"
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"kubevirt.io/containerized-data-importer/pkg/common"
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"kubevirt.io/containerized-data-importer/pkg/uploadserver"
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)
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const (
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defaultListenPort = uint16(8443)
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defaultListenAddress = "0.0.0.0"
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defaultPVCDir = common.IMPORTER_WRITE_DIR
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defaultDestination = common.IMPORTER_WRITE_PATH
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)
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func init() {
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flag.Parse()
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}
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func main() {
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defer glog.Flush()
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listenAddress, listenPort := getListenAddressAndPort()
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pvcDir, destination := getPVCDirAndDestination()
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keyFile, certFile := getTLSKeyAndCert()
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server := uploadserver.NewUploadServer(
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listenAddress,
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listenPort,
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pvcDir,
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destination,
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keyFile,
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certFile,
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)
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glog.Infof("PVC dir: %s, destination: %s", pvcDir, destination)
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glog.Infof("Running server on %s:%d", listenAddress, listenPort)
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err := server.Run()
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if err != nil {
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glog.Error("UploadServer failed: %s", err)
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os.Exit(1)
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}
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glog.Info("UploadServer successfully exited")
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}
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func getListenAddressAndPort() (string, uint16) {
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addr, port := defaultListenAddress, defaultListenPort
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// empty value okay here
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if val, exists := os.LookupEnv("LISTEN_ADDRESS"); exists {
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addr = val
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}
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// not okay here
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if val := os.Getenv("LISTEN_PORT"); len(val) > 0 {
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n, err := strconv.ParseUint(val, 10, 16)
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if err == nil {
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port = uint16(n)
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}
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}
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return addr, port
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}
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func getPVCDirAndDestination() (string, string) {
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pvcDir, destination := defaultPVCDir, defaultDestination
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if val := os.Getenv("PVC_DIR"); len(val) > 0 {
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pvcDir = val
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}
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if val := os.Getenv("DESTINATION"); len(val) > 0 {
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destination = val
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}
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return pvcDir, destination
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}
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func getTLSKeyAndCert() (string, string) {
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key, cert := os.Getenv("TLS_KEY_FILE"), os.Getenv("TLS_CERT_FILE")
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if key == "" || cert == "" {
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glog.Fatal("Missing TLS config key: %q, cert %q", key, cert)
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}
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return key, cert
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}
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