You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
2.6 KiB
114 lines
2.6 KiB
//nolint: gosec
|
|
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
stdlog "log"
|
|
"math/rand"
|
|
"os"
|
|
"path/filepath"
|
|
|
|
"github.com/spf13/cobra"
|
|
|
|
"github.com/tendermint/tendermint/libs/log"
|
|
e2e "github.com/tendermint/tendermint/test/e2e/pkg"
|
|
)
|
|
|
|
const (
|
|
randomSeed int64 = 4827085738
|
|
)
|
|
|
|
func main() {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
cli, err := NewCLI()
|
|
if err != nil {
|
|
stdlog.Fatal(err)
|
|
}
|
|
|
|
cli.Run(ctx)
|
|
}
|
|
|
|
// CLI is the Cobra-based command-line interface.
|
|
type CLI struct {
|
|
root *cobra.Command
|
|
opts Options
|
|
logger log.Logger
|
|
}
|
|
|
|
// NewCLI sets up the CLI.
|
|
func NewCLI() (*CLI, error) {
|
|
logger, err := log.NewDefaultLogger(log.LogFormatPlain, log.LogLevelInfo)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
cli := &CLI{
|
|
logger: logger,
|
|
}
|
|
cli.root = &cobra.Command{
|
|
Use: "generator",
|
|
Short: "End-to-end testnet generator",
|
|
SilenceUsage: true,
|
|
SilenceErrors: true, // we'll output them ourselves in Run()
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
return cli.generate()
|
|
},
|
|
}
|
|
|
|
cli.root.PersistentFlags().StringVarP(&cli.opts.Directory, "dir", "d", "", "Output directory for manifests")
|
|
_ = cli.root.MarkPersistentFlagRequired("dir")
|
|
cli.root.Flags().BoolVarP(&cli.opts.Reverse, "reverse", "r", false, "Reverse sort order")
|
|
cli.root.PersistentFlags().IntVarP(&cli.opts.NumGroups, "groups", "g", 0, "Number of groups")
|
|
cli.root.PersistentFlags().IntVarP(&cli.opts.MinNetworkSize, "min-size", "", 1,
|
|
"Minimum network size (nodes)")
|
|
cli.root.PersistentFlags().IntVarP(&cli.opts.MaxNetworkSize, "max-size", "", 0,
|
|
"Maxmum network size (nodes), 0 is unlimited")
|
|
|
|
return cli, nil
|
|
}
|
|
|
|
// generate generates manifests in a directory.
|
|
func (cli *CLI) generate() error {
|
|
err := os.MkdirAll(cli.opts.Directory, 0755)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
manifests, err := Generate(rand.New(rand.NewSource(randomSeed)), cli.opts)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
switch {
|
|
case cli.opts.NumGroups <= 0:
|
|
e2e.SortManifests(manifests, cli.opts.Reverse)
|
|
|
|
if err := e2e.WriteManifests(filepath.Join(cli.opts.Directory, "gen"), manifests); err != nil {
|
|
return err
|
|
}
|
|
default:
|
|
groupManifests := e2e.SplitGroups(cli.opts.NumGroups, manifests)
|
|
|
|
for idx, gm := range groupManifests {
|
|
e2e.SortManifests(gm, cli.opts.Reverse)
|
|
|
|
prefix := filepath.Join(cli.opts.Directory, fmt.Sprintf("gen-group%02d", idx))
|
|
if err := e2e.WriteManifests(prefix, gm); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// Run runs the CLI.
|
|
func (cli *CLI) Run(ctx context.Context) {
|
|
if err := cli.root.ExecuteContext(ctx); err != nil {
|
|
cli.logger.Error(err.Error())
|
|
os.Exit(1)
|
|
}
|
|
}
|