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main.go
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main.go
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/*
Copyright 2017 The Kubernetes 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 main
import (
"flag"
"fmt"
"os"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
"k8s.io/cloud-provider-openstack/pkg/csi/cinder"
"k8s.io/cloud-provider-openstack/pkg/csi/cinder/mount"
"k8s.io/cloud-provider-openstack/pkg/csi/cinder/openstack"
"k8s.io/component-base/logs"
"k8s.io/klog"
)
var (
endpoint string
nodeID string
cloudconfig string
cluster string
)
func init() {
flag.Set("logtostderr", "true")
}
func main() {
flag.CommandLine.Parse([]string{})
cmd := &cobra.Command{
Use: "Cinder",
Short: "CSI based Cinder driver",
PersistentPreRun: func(cmd *cobra.Command, args []string) {
// Glog requires this otherwise it complains.
flag.CommandLine.Parse(nil)
// This is a temporary hack to enable proper logging until upstream dependencies
// are migrated to fully utilize klog instead of glog.
klogFlags := flag.NewFlagSet("klog", flag.ExitOnError)
klog.InitFlags(klogFlags)
// Sync the glog and klog flags.
cmd.Flags().VisitAll(func(f1 *pflag.Flag) {
f2 := klogFlags.Lookup(f1.Name)
if f2 != nil {
value := f1.Value.String()
f2.Value.Set(value)
}
})
},
Run: func(cmd *cobra.Command, args []string) {
handle()
},
}
cmd.Flags().AddGoFlagSet(flag.CommandLine)
cmd.PersistentFlags().StringVar(&nodeID, "nodeid", "", "node id")
cmd.MarkPersistentFlagRequired("nodeid")
cmd.PersistentFlags().StringVar(&endpoint, "endpoint", "", "CSI endpoint")
cmd.MarkPersistentFlagRequired("endpoint")
cmd.PersistentFlags().StringVar(&cloudconfig, "cloud-config", "", "CSI driver cloud config")
cmd.MarkPersistentFlagRequired("cloud-config")
cmd.PersistentFlags().StringVar(&cluster, "cluster", "", "The identifier of the cluster that the plugin is running in.")
logs.InitLogs()
defer logs.FlushLogs()
if err := cmd.Execute(); err != nil {
fmt.Fprintf(os.Stderr, "%s", err.Error())
os.Exit(1)
}
os.Exit(0)
}
func handle() {
d := cinder.NewDriver(nodeID, endpoint, cluster)
//Intiliaze mount
mount, err := mount.GetMountProvider()
if err != nil {
klog.V(3).Infof("Failed to GetMountProvider: %v", err)
}
//Intiliaze Metadatda
metadatda, err := openstack.GetMetadataProvider()
if err != nil {
klog.V(3).Infof("Failed to GetMetadataProvider: %v", err)
}
// Initiliaze cloud
openstack.InitOpenStackProvider(cloudconfig)
cloud, err := openstack.GetOpenStackProvider()
if err != nil {
klog.V(3).Infof("Failed to GetOpenStackProvider: %v", err)
return
}
d.SetupDriver(cloud, mount, metadatda)
d.Run()
}