frostfs-node/cmd/neofs-cli/modules/root.go

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package cmd
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/mitchellh/go-homedir"
internalclient "github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/client"
"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/common"
"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/commonflags"
"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/key"
accountingCli "github.com/nspcc-dev/neofs-node/cmd/neofs-cli/modules/accounting"
"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/modules/acl"
bearerCli "github.com/nspcc-dev/neofs-node/cmd/neofs-cli/modules/bearer"
controlCli "github.com/nspcc-dev/neofs-node/cmd/neofs-cli/modules/control"
sessionCli "github.com/nspcc-dev/neofs-node/cmd/neofs-cli/modules/session"
utilCli "github.com/nspcc-dev/neofs-node/cmd/neofs-cli/modules/util"
"github.com/nspcc-dev/neofs-node/misc"
"github.com/nspcc-dev/neofs-node/pkg/util/gendoc"
"github.com/nspcc-dev/neofs-sdk-go/client"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
const (
envPrefix = "NEOFS_CLI"
)
// Global scope flags.
var (
cfgFile string
)
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "neofs-cli",
Short: "Command Line Tool to work with NeoFS",
Long: `NeoFS CLI provides all basic interactions with NeoFS and it's services.
It contains commands for interaction with NeoFS nodes using different versions
of neofs-api and some useful utilities for compiling ACL rules from JSON
notation, managing container access through protocol gates, querying network map
and much more!`,
Run: entryPoint,
}
// 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() {
err := rootCmd.Execute()
common.ExitOnErr(rootCmd, "", err)
}
func init() {
cobra.OnInitialize(initConfig)
// use stdout as default output for cmd.Print()
rootCmd.SetOut(os.Stdout)
// Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here,
// will be global for your application.
rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "config file (default is $HOME/.config/neofs-cli/config.yaml)")
rootCmd.PersistentFlags().BoolP(commonflags.Verbose, commonflags.VerboseShorthand,
false, commonflags.VerboseUsage)
_ = viper.BindPFlag(commonflags.Verbose, rootCmd.PersistentFlags().Lookup(commonflags.Verbose))
// Cobra also supports local flags, which will only run
// when this action is called directly.
rootCmd.Flags().Bool("version", false, "Application version and NeoFS API compatibility")
rootCmd.AddCommand(acl.Cmd)
rootCmd.AddCommand(bearerCli.Cmd)
rootCmd.AddCommand(sessionCli.Cmd)
rootCmd.AddCommand(accountingCli.Cmd)
rootCmd.AddCommand(controlCli.Cmd)
rootCmd.AddCommand(utilCli.Cmd)
rootCmd.AddCommand(gendoc.Command(rootCmd))
}
func entryPoint(cmd *cobra.Command, _ []string) {
printVersion, _ := cmd.Flags().GetBool("version")
if printVersion {
cmd.Printf(
"Version: %s \nBuild: %s \nDebug: %s\n",
misc.Version,
misc.Build,
misc.Debug,
)
return
}
_ = cmd.Usage()
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
if cfgFile != "" {
// Use config file from the flag.
viper.SetConfigFile(cfgFile)
} else {
// Find home directory.
home, err := homedir.Dir()
common.ExitOnErr(rootCmd, "", err)
// Search config in `$HOME/.config/neofs-cli/` with name "config.yaml"
viper.AddConfigPath(filepath.Join(home, ".config", "neofs-cli"))
viper.SetConfigName("config")
viper.SetConfigType("yaml")
}
viper.SetEnvPrefix(envPrefix)
viper.AutomaticEnv() // read in environment variables that match
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil {
common.PrintVerbose("Using config file: %s", viper.ConfigFileUsed())
}
}
type clientWithKey interface {
SetClient(*client.Client)
}
// reads private key from command args and call prepareAPIClientWithKey with it.
func prepareAPIClient(cmd *cobra.Command, dst ...clientWithKey) {
p := key.GetOrGenerate(cmd)
cli := internalclient.GetSDKClientByFlag(cmd, p, commonflags.RPC)
for _, d := range dst {
d.SetClient(cli)
}
}
func getTTL() uint32 {
ttl := viper.GetUint32(commonflags.TTL)
common.PrintVerbose("TTL: %d", ttl)
return ttl
}
func parseXHeaders(cmd *cobra.Command) []string {
xHeaders, _ := cmd.Flags().GetStringSlice(commonflags.XHeadersKey)
xs := make([]string, 0, 2*len(xHeaders))
for i := range xHeaders {
kv := strings.SplitN(xHeaders[i], "=", 2)
if len(kv) != 2 {
panic(fmt.Errorf("invalid X-Header format: %s", xHeaders[i]))
}
xs = append(xs, kv[0], kv[1])
}
return xs
}