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main.go
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main.go
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package main
import (
"log"
"os"
"github.com/Azure/azure-container-networking/azure-ipam/internal/buildinfo"
"github.com/Azure/azure-container-networking/azure-ipam/logger"
cnsclient "github.com/Azure/azure-container-networking/cns/client"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/version"
bv "github.com/containernetworking/plugins/pkg/utils/buildversion"
"github.com/pkg/errors"
)
func main() {
if err := executePlugin(); err != nil {
log.Printf("error executing azure-ipam plugin: %v\n", err)
os.Exit(1)
}
}
func executePlugin() error {
// logger config
loggerCfg := &logger.Config{
Level: "debug",
Filepath: "/var/log/azure-ipam.log",
MaxSizeInMB: 5, // MegaBytes
MaxBackups: 8,
}
// Create logger
pluginLogger, cleanup, err := logger.New(loggerCfg)
if err != nil {
return errors.Wrapf(err, "failed to setup IPAM logging")
}
pluginLogger.Debug("logger construction succeeded")
defer cleanup()
// Create CNS client
client, err := cnsclient.New(cnsBaseURL, cnsReqTimeout)
if err != nil {
return errors.Wrapf(err, "failed to initialize CNS client")
}
// Create IPAM plugin
plugin, err := NewPlugin(pluginLogger, client, os.Stdout)
if err != nil {
pluginLogger.Error("Failed to create IPAM plugin")
return errors.Wrapf(err, "failed to create IPAM plugin")
}
bv.BuildVersion = buildinfo.Version
// Execute CNI plugin
cniErr := skel.PluginMainWithError(plugin.CmdAdd, plugin.CmdCheck, plugin.CmdDel, version.All, bv.BuildString(pluginName))
if cniErr != nil {
cniErr.Print()
return cniErr
}
return nil
}