/
root.go
107 lines (84 loc) · 2.85 KB
/
root.go
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/*
Copyright © 2020 NAME HERE <EMAIL ADDRESS>
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 cmd
import (
"context"
"github.com/diandianl/p2p-proxy/metadata"
"os"
"github.com/diandianl/p2p-proxy/cmd/endpoint"
"github.com/diandianl/p2p-proxy/cmd/proxy"
"github.com/diandianl/p2p-proxy/config"
"github.com/diandianl/p2p-proxy/log"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute(ctx context.Context) {
viper.SetDefault("Version", metadata.Version)
cmd := newCommand(ctx)
if err := cmd.Execute(); err != nil {
log.NewLogger().Error(err)
os.Exit(1)
}
}
// new root command
func newCommand(ctx context.Context) *cobra.Command {
var cfgFile string
var logLevel string
var doGetCfg func(proxy bool) (*config.Config, error)
cfgGetter := func(proxy bool) (*config.Config, error) {
return doGetCfg(proxy)
}
ep := endpoint.NewEndpointCmd(ctx, cfgGetter)
cmd := &cobra.Command{
Use: "p2p-proxy",
Short: "A http(s) proxy based on P2P",
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
cfgFile := cmd.Flags().Lookup("config").Value.String()
cfg, cfgFile, err := config.LoadOrInitializeIfNotPresent(cfgFile)
if err != nil {
return err
}
doGetCfg = func(proxy bool) (c *config.Config, err error) {
err = cfg.Validate(proxy)
if err != nil {
return nil, err
}
err = cfg.SetupLogging(logLevel)
if err != nil {
return nil, err
}
logger := log.NewLogger()
if err = logger.Sync(); err != nil {
logger.Warn("Sync log ", err)
}
logger.Debugf("Using config file: %s", cfgFile)
return cfg, nil
}
return err
},
RunE: func(cmd *cobra.Command, args []string) error {
cmd.SilenceUsage = true
return ep.RunE(cmd, args)
},
}
cmd.PersistentFlags().StringVar(&logLevel, "log-level", "INFO", "set logging level")
cmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "config file (default is $HOME/.p2p-proxy.yaml)")
cmd.PersistentFlags().StringSlice("p2p-addr", []string{}, "peer listen addr(s)")
viper.BindPFlag("P2P.Addr", cmd.PersistentFlags().Lookup("p2p-addr"))
cmd.Flags().AddFlagSet(ep.Flags())
// cmd.AddCommand(initCmd)
cmd.AddCommand(proxy.NewProxyCmd(ctx, cfgGetter))
return cmd
}