mirror of
https://github.com/kubevirt/containerized-data-importer.git
synced 2025-06-03 06:30:22 +00:00
11321ae7e9
Looks like before some of imports used glog package that set all flags under init() method, but after dependencies code stopped to run glog init() method on container creation, so we need to set flags from klog and parse flags in the right order.
102 lines
2.1 KiB
Go
102 lines
2.1 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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"k8s.io/klog"
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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 = 8443
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defaultListenAddress = "0.0.0.0"
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defaultDestination = common.ImporterWritePath
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)
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func init() {
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klog.InitFlags(nil)
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flag.Parse()
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}
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func main() {
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defer klog.Flush()
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listenAddress, listenPort := getListenAddressAndPort()
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destination := getDestination()
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server := uploadserver.NewUploadServer(
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listenAddress,
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listenPort,
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destination,
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os.Getenv("TLS_KEY"),
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os.Getenv("TLS_CERT"),
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os.Getenv("CLIENT_CERT"),
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os.Getenv(common.UploadImageSize),
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)
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klog.Infof("Upload destination: %s", destination)
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klog.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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klog.Errorf("UploadServer failed: %s", err)
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os.Exit(1)
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}
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klog.Info("UploadServer successfully exited")
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}
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func getListenAddressAndPort() (string, int) {
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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 = int(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 getDestination() string {
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destination := defaultDestination
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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 destination
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}
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