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Copy pathflags.go
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158 lines (140 loc) · 4.08 KB
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package main
import (
"errors"
"fmt"
"github.com/urfave/cli/v2"
opservice "github.com/ethereum-optimism/optimism/op-service"
"github.com/ethereum-optimism/optimism/op-service/log/logcli"
)
const (
ListenAddrFlagName = "addr"
PortFlagName = "port"
S3BucketFlagName = "s3.bucket"
S3EndpointFlagName = "s3.endpoint"
S3AccessKeyIDFlagName = "s3.access-key-id"
S3AccessKeySecretFlagName = "s3.access-key-secret"
FileStorePathFlagName = "file.path"
GenericCommFlagName = "generic-commitment"
)
const EnvVarPrefix = "OP_ALTDA_SERVER"
func prefixEnvVars(name string) []string {
return opservice.PrefixEnvVar(EnvVarPrefix, name)
}
var (
ListenAddrFlag = &cli.StringFlag{
Name: ListenAddrFlagName,
Usage: "server listening address",
Value: "127.0.0.1",
EnvVars: prefixEnvVars("ADDR"),
}
PortFlag = &cli.IntFlag{
Name: PortFlagName,
Usage: "server listening port",
Value: 3100,
EnvVars: prefixEnvVars("PORT"),
}
FileStorePathFlag = &cli.StringFlag{
Name: FileStorePathFlagName,
Usage: "path to directory for file storage",
EnvVars: prefixEnvVars("FILESTORE_PATH"),
}
GenericCommFlag = &cli.BoolFlag{
Name: GenericCommFlagName,
Usage: "enable generic commitments for testing. Not for production use.",
EnvVars: prefixEnvVars("GENERIC_COMMITMENT"),
Value: false,
}
S3BucketFlag = &cli.StringFlag{
Name: S3BucketFlagName,
Usage: "bucket name for S3 storage",
EnvVars: prefixEnvVars("S3_BUCKET"),
}
S3EndpointFlag = &cli.StringFlag{
Name: S3EndpointFlagName,
Usage: "endpoint for S3 storage",
Value: "",
EnvVars: prefixEnvVars("S3_ENDPOINT"),
}
S3AccessKeyIDFlag = &cli.StringFlag{
Name: S3AccessKeyIDFlagName,
Usage: "access key id for S3 storage",
Value: "",
EnvVars: prefixEnvVars("S3_ACCESS_KEY_ID"),
}
S3AccessKeySecretFlag = &cli.StringFlag{
Name: S3AccessKeySecretFlagName,
Usage: "access key secret for S3 storage",
Value: "",
EnvVars: prefixEnvVars("S3_ACCESS_KEY_SECRET"),
}
)
var requiredFlags = []cli.Flag{
ListenAddrFlag,
PortFlag,
}
var optionalFlags = []cli.Flag{
FileStorePathFlag,
S3BucketFlag,
S3EndpointFlag,
S3AccessKeyIDFlag,
S3AccessKeySecretFlag,
GenericCommFlag,
}
func init() {
optionalFlags = append(optionalFlags, logcli.CLIFlags(EnvVarPrefix)...)
Flags = append(requiredFlags, optionalFlags...)
}
// Flags contains the list of configuration options available to the binary.
var Flags []cli.Flag
type CLIConfig struct {
FileStoreDirPath string
S3Bucket string
S3Endpoint string
S3AccessKeyID string
S3AccessKeySecret string
UseGenericComm bool
}
func ReadCLIConfig(ctx *cli.Context) CLIConfig {
return CLIConfig{
FileStoreDirPath: ctx.String(FileStorePathFlagName),
S3Bucket: ctx.String(S3BucketFlagName),
S3Endpoint: ctx.String(S3EndpointFlagName),
S3AccessKeyID: ctx.String(S3AccessKeyIDFlagName),
S3AccessKeySecret: ctx.String(S3AccessKeySecretFlagName),
UseGenericComm: ctx.Bool(GenericCommFlagName),
}
}
func (c CLIConfig) Check() error {
if !c.S3Enabled() && !c.FileStoreEnabled() {
return errors.New("at least one storage backend must be enabled")
}
if c.S3Enabled() && c.FileStoreEnabled() {
return errors.New("only one storage backend can be enabled")
}
if c.S3Enabled() && (c.S3Bucket == "" || c.S3Endpoint == "" || c.S3AccessKeyID == "" || c.S3AccessKeySecret == "") {
return errors.New("all S3 flags must be set")
}
return nil
}
func (c CLIConfig) S3Enabled() bool {
return !(c.S3Bucket == "" && c.S3Endpoint == "" && c.S3AccessKeyID == "" && c.S3AccessKeySecret == "")
}
func (c CLIConfig) S3Config() S3Config {
return S3Config{
Bucket: c.S3Bucket,
Endpoint: c.S3Endpoint,
AccessKeyID: c.S3AccessKeyID,
AccessKeySecret: c.S3AccessKeySecret,
}
}
func (c CLIConfig) FileStoreEnabled() bool {
return c.FileStoreDirPath != ""
}
func CheckRequired(ctx *cli.Context) error {
for _, f := range requiredFlags {
if !ctx.IsSet(f.Names()[0]) {
return fmt.Errorf("flag %s is required", f.Names()[0])
}
}
return nil
}