cmd

package
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Published: Jun 10, 2024 License: GPL-3.0 Imports: 16 Imported by: 0

Documentation

Overview

Package cmd defines the command line flags for the shared utilities.

Index

Constants

This section is empty.

Variables

View Source
var (
	// MinimalConfigFlag declares to use the minimal config for running Ethereum consensus.
	MinimalConfigFlag = &cli.BoolFlag{
		Name:  "minimal-config",
		Usage: "Uses minimal config with parameters as defined in the spec.",
	}
	// E2EConfigFlag declares to use a testing specific config for running Ethereum consensus in end-to-end testing.
	E2EConfigFlag = &cli.BoolFlag{
		Name:  "e2e-config",
		Usage: "Enables the E2E testing config, only for use within end-to-end testing.",
	}
	// RPCMaxPageSizeFlag defines the maximum numbers per page returned in RPC responses from this
	// beacon node (default: 500).
	RPCMaxPageSizeFlag = &cli.IntFlag{
		Name:  "rpc-max-page-size",
		Usage: "Max number of items returned per page in RPC responses for paginated endpoints.",
	}
	// VerbosityFlag defines the logrus configuration.
	VerbosityFlag = &cli.StringFlag{
		Name:  "verbosity",
		Usage: "Logging verbosity. (trace, debug, info, warn, error, fatal, panic)",
		Value: "info",
	}
	// DataDirFlag defines a path on disk where Prysm databases are stored.
	DataDirFlag = &cli.StringFlag{
		Name:  "datadir",
		Usage: "Data directory for the databases.",
		Value: DefaultDataDir(),
	}
	// EnableBackupWebhookFlag for users to trigger db backups via an HTTP webhook.
	EnableBackupWebhookFlag = &cli.BoolFlag{
		Name: "enable-db-backup-webhook",
		Usage: `Serves HTTP handler to initiate database backups.
		The handler is served on the monitoring port at path /db/backup.`,
	}
	// BackupWebhookOutputDir to customize the output directory for db backups.
	BackupWebhookOutputDir = &cli.StringFlag{
		Name:  "db-backup-output-dir",
		Usage: "Output directory for db backups.",
	}
	// EnableTracingFlag defines a flag to enable p2p message tracing.
	EnableTracingFlag = &cli.BoolFlag{
		Name:  "enable-tracing",
		Usage: "Enables request tracing.",
	}
	// TracingProcessNameFlag defines a flag to specify a process name.
	TracingProcessNameFlag = &cli.StringFlag{
		Name:  "tracing-process-name",
		Usage: "Name to apply to tracing tag `process_name`.",
	}
	// TracingEndpointFlag flag defines the http endpoint for serving traces to Jaeger.
	TracingEndpointFlag = &cli.StringFlag{
		Name:  "tracing-endpoint",
		Usage: "Tracing endpoint defines where beacon chain traces are exposed to Jaeger.",
		Value: "http://127.0.0.1:14268/api/traces",
	}
	// TraceSampleFractionFlag defines a flag to indicate what fraction of p2p
	// messages are sampled for tracing.
	TraceSampleFractionFlag = &cli.Float64Flag{
		Name:  "trace-sample-fraction",
		Usage: "Indicates what fraction of p2p messages are sampled for tracing.",
		Value: 0.20,
	}
	// MonitoringHostFlag defines the host used to serve prometheus metrics.
	MonitoringHostFlag = &cli.StringFlag{
		Name:  "monitoring-host",
		Usage: "Host used for listening and responding metrics for prometheus.",
		Value: "127.0.0.1",
	}
	// DisableMonitoringFlag defines a flag to disable the metrics collection.
	DisableMonitoringFlag = &cli.BoolFlag{
		Name:  "disable-monitoring",
		Usage: "Disables monitoring service.",
	}
	// NoDiscovery specifies whether we are running a local network and have no need for connecting
	// to the bootstrap nodes in the cloud
	NoDiscovery = &cli.BoolFlag{
		Name:  "no-discovery",
		Usage: "Enable only local network p2p and do not connect to cloud bootstrap nodes",
	}
	// StaticPeers specifies a set of peers to connect to explicitly.
	StaticPeers = &cli.StringSliceFlag{
		Name:  "peer",
		Usage: "Connect with this peer, this flag may be used multiple times. This peer is recognized as a trusted peer.",
	}
	// BootstrapNode tells the beacon node which bootstrap node to connect to
	BootstrapNode = &cli.StringSliceFlag{
		Name:  "bootstrap-node",
		Usage: "The address of bootstrap node. Beacon node will connect for peer discovery via DHT.  Multiple nodes can be passed by using the flag multiple times but not comma-separated. You can also pass YAML files containing multiple nodes.",
		Value: cli.NewStringSlice(params.BeaconNetworkConfig().BootstrapNodes...),
	}
	// RelayNode tells the beacon node which relay node to connect to.
	RelayNode = &cli.StringFlag{
		Name: "relay-node",
		Usage: "The address of relay node. The beacon node will connect to the " +
			"relay node and advertise their address via the relay node to other peers",
		Value: "",
	}
	// P2PUDPPort defines the port to be used by discv5.
	P2PUDPPort = &cli.IntFlag{
		Name:  "p2p-udp-port",
		Usage: "The UDP port used by the discovery service discv5.",
		Value: 12000,
	}
	// P2PQUICPort defines the QUIC port to be used by libp2p.
	P2PQUICPort = &cli.IntFlag{
		Name:  "p2p-quic-port",
		Usage: "The QUIC port used by libp2p.",
		Value: 13000,
	}
	// P2PTCPPort defines the TCP port to be used by libp2p.
	P2PTCPPort = &cli.IntFlag{
		Name:  "p2p-tcp-port",
		Usage: "The TCP port used by libp2p.",
		Value: 13000,
	}
	// P2PIP defines the local IP to be used by libp2p.
	P2PIP = &cli.StringFlag{
		Name:  "p2p-local-ip",
		Usage: "The local ip address to listen for incoming data.",
		Value: "",
	}
	// P2PHost defines the host IP to be used by libp2p.
	P2PHost = &cli.StringFlag{
		Name:  "p2p-host-ip",
		Usage: "The IP address advertised by libp2p. This may be used to advertise an external IP.",
		Value: "",
	}
	// P2PHostDNS defines the host DNS to be used by libp2p.
	P2PHostDNS = &cli.StringFlag{
		Name:  "p2p-host-dns",
		Usage: "The DNS address advertised by libp2p. This may be used to advertise an external DNS.",
		Value: "",
	}
	// P2PPrivKey defines a flag to specify the location of the private key file for libp2p.
	P2PPrivKey = &cli.StringFlag{
		Name:  "p2p-priv-key",
		Usage: "The file containing the private key to use in communications with other peers.",
		Value: "",
	}
	P2PStaticID = &cli.BoolFlag{
		Name:  "p2p-static-id",
		Usage: "Enables the peer id of the node to be fixed by saving the generated network key to the default key path.",
		Value: false,
	}
	// P2PMetadata defines a flag to specify the location of the peer metadata file.
	P2PMetadata = &cli.StringFlag{
		Name:  "p2p-metadata",
		Usage: "The file containing the metadata to communicate with other peers.",
		Value: "",
	}
	// P2PMaxPeers defines a flag to specify the max number of peers in libp2p.
	P2PMaxPeers = &cli.IntFlag{
		Name:  "p2p-max-peers",
		Usage: "The max number of p2p peers to maintain.",
		Value: 70,
	}
	// P2PAllowList defines a CIDR subnet to exclusively allow connections.
	P2PAllowList = &cli.StringFlag{
		Name: "p2p-allowlist",
		Usage: "The CIDR subnet for allowing only certain peer connections. " +
			"Using \"public\" would allow only public subnets. Example: " +
			"192.168.0.0/16 would permit connections to peers on your local network only. The " +
			"default is to accept all connections.",
	}
	// P2PDenyList defines a list of CIDR subnets to disallow connections from them.
	P2PDenyList = &cli.StringSliceFlag{
		Name: "p2p-denylist",
		Usage: "The CIDR subnets for denying certainty peer connections. " +
			"Using \"private\" would deny all private subnets. Example: " +
			"192.168.0.0/16 would deny connections from peers on your local network only. The " +
			"default is to accept all connections.",
	}
	PubsubQueueSize = &cli.IntFlag{
		Name:  "pubsub-queue-size",
		Usage: "The size of the pubsub validation and outbound queue for the node.",
		Value: 1000,
	}
	// ForceClearDB removes any previously stored data at the data directory.
	ForceClearDB = &cli.BoolFlag{
		Name:  "force-clear-db",
		Usage: "Clears any previously stored data at the data directory.",
	}
	// ClearDB prompts user to see if they want to remove any previously stored data at the data directory.
	ClearDB = &cli.BoolFlag{
		Name:  "clear-db",
		Usage: "Prompt for clearing any previously stored data at the data directory.",
	}
	// LogFormat specifies the log output format.
	LogFormat = &cli.StringFlag{
		Name:  "log-format",
		Usage: "Specifies log formatting. Supports: text, json, fluentd, journald.",
		Value: "text",
	}
	// MaxGoroutines specifies the maximum amount of goroutines tolerated, before a status check fails.
	MaxGoroutines = &cli.IntFlag{
		Name:  "max-goroutines",
		Usage: "Specifies the upper limit of goroutines running before a status check fails",
		Value: 5000,
	}
	// LogFileName specifies the log output file name.
	LogFileName = &cli.StringFlag{
		Name:  "log-file",
		Usage: "Specifies log file name, relative or absolute.",
	}
	// EnableUPnPFlag specifies if UPnP should be enabled or not. The default value is false.
	EnableUPnPFlag = &cli.BoolFlag{
		Name:  "enable-upnp",
		Usage: "Enable the service (Beacon chain or Validator) to use UPnP when possible.",
	}
	// ConfigFileFlag specifies the filepath to load flag values.
	ConfigFileFlag = &cli.StringFlag{
		Name:  "config-file",
		Usage: "Filepath to a yaml file with flag values.",
	}
	// ChainConfigFileFlag specifies the filepath to load flag values.
	ChainConfigFileFlag = &cli.StringFlag{
		Name:  "chain-config-file",
		Usage: "Path to a YAML file with chain config values.",
	}
	// GrpcMaxCallRecvMsgSizeFlag defines the max call message size for GRPC
	GrpcMaxCallRecvMsgSizeFlag = &cli.IntFlag{
		Name: "grpc-max-msg-size",
		Usage: `Integer to define max receive message call size (in bytes).
		If serving a public gRPC server, set this to a more reasonable size to avoid
		resource exhaustion from large messages. 
		Validators with as many as 10000 keys can be run with a max message size of less than 
		50Mb. The default here is set to a very high value for local users.`,
		Value: math.MaxInt32,
	}
	// AcceptTosFlag specifies user acceptance of ToS for non-interactive environments.
	AcceptTosFlag = &cli.BoolFlag{
		Name:  "accept-terms-of-use",
		Usage: "Accepts Terms and Conditions (for non-interactive environments).",
	}
	// ValidatorMonitorIndicesFlag specifies a list of validator indices to
	// track for performance updates
	ValidatorMonitorIndicesFlag = &cli.IntSliceFlag{
		Name:  "monitor-indices",
		Usage: "List of validator indices to track performance",
	}

	// RestoreSourceFileFlag specifies the filepath to the backed-up database file
	// which will be used to restore the database.
	RestoreSourceFileFlag = &cli.StringFlag{
		Name:  "restore-source-file",
		Usage: "Filepath to the backed-up database file which will be used to restore the database",
	}
	// RestoreTargetDirFlag specifies the target directory of the restored database.
	RestoreTargetDirFlag = &cli.StringFlag{
		Name:  "restore-target-dir",
		Usage: "Target directory of the restored database",
		Value: DefaultDataDir(),
	}
	// ApiTimeoutFlag specifies the timeout value for API requests in seconds. A timeout of zero means no timeout.
	ApiTimeoutFlag = &cli.IntFlag{
		Name:  "api-timeout",
		Usage: "Specifies the timeout value for API requests in seconds.",
		Value: 120,
	}
	// JwtOutputFileFlag specifies the JWT file path that gets generated into when invoked by generate-jwt-secret.
	JwtOutputFileFlag = &cli.StringFlag{
		Name:    "output-file",
		Usage:   "Target file path for outputting a generated JWT secret to be used for JSON-RPC authentication",
		Aliases: []string{"o"},
	}
)

Functions

func ConfigureBeaconChain

func ConfigureBeaconChain(ctx *cli.Context) error

ConfigureBeaconChain sets the global config based on what flags are enabled for the beacon-chain client.

func ConfigureValidator

func ConfigureValidator(ctx *cli.Context) error

ConfigureValidator sets the global config based on what flags are enabled for the validator client.

func ConfirmAction

func ConfirmAction(actionText, deniedText string) (bool, error)

ConfirmAction uses the passed in actionText as the confirmation text displayed in the terminal. The user must enter Y or N to indicate whether they confirm the action detailed in the warning text. Returns a boolean representing the user's answer.

func DefaultDataDir

func DefaultDataDir() string

DefaultDataDir is the default data directory to use for the databases and other persistence requirements.

func EnterPassword

func EnterPassword(confirmPassword bool, pr PasswordReader) (string, error)

EnterPassword queries the user for their password through the terminal, in order to make sure it is not passed in a visible way to the terminal.

func ExpandSingleEndpointIfFile

func ExpandSingleEndpointIfFile(ctx *cli.Context, flag *cli.StringFlag) error

ExpandSingleEndpointIfFile expands the path for --execution-provider if specified as a file.

func FixDefaultDataDir

func FixDefaultDataDir(prevDataDir, curDataDir string) error

FixDefaultDataDir checks if previous data directory is found and can be migrated to a new path. This is used to resolve issue with weak default path (for Windows users) in existing installations. For full details see: https://github.com/prysmaticlabs/prysm/issues/5660.

func Init

func Init(c *Flags)

Init sets the global config equal to the config that is passed in.

func InitWithReset

func InitWithReset(c *Flags) func()

InitWithReset sets the global config and returns function that is used to reset configuration.

func LoadFlagsFromConfig

func LoadFlagsFromConfig(cliCtx *cli.Context, flags []cli.Flag) error

LoadFlagsFromConfig sets flags values from config file if ConfigFileFlag is set.

func ValidateNoArgs

func ValidateNoArgs(ctx *cli.Context) error

ValidateNoArgs insures that the application is not run with erroneous arguments or flags. This function should be used in the app.Before, whenever the application supports a default command.

func WrapFlags

func WrapFlags(flags []cli.Flag) []cli.Flag

WrapFlags so that they can be loaded from alternative sources.

Types

type Flags

type Flags struct {
	// Configuration related flags.
	MinimalConfig  bool // MinimalConfig as defined in the spec.
	MaxRPCPageSize int  // MaxRPCPageSize is used for a cap of page sizes in RPC requests.
}

Flags is a struct to represent which features the client will perform on runtime.

func Get

func Get() *Flags

Get retrieves feature config.

type PasswordReader

type PasswordReader interface {
	ReadPassword() (string, error)
}

PasswordReader reads a password from a mock or stdin.

type StdInPasswordReader

type StdInPasswordReader struct {
}

StdInPasswordReader reads a password from stdin.

func (StdInPasswordReader) ReadPassword

func (StdInPasswordReader) ReadPassword() (string, error)

ReadPassword reads a password from stdin.

Directories

Path Synopsis
Package beacon-chain defines the entire runtime of an Ethereum beacon node.
Package beacon-chain defines the entire runtime of an Ethereum beacon node.
db
flags
Package flags defines beacon-node specific runtime flags for setting important values such as ports, eth1 endpoints, and more.
Package flags defines beacon-node specific runtime flags for setting important values such as ports, eth1 endpoints, and more.
jwt
This code was adapted from https://github.com/ethereum/go-ethereum/blob/master/cmd/geth/usage.go
This code was adapted from https://github.com/ethereum/go-ethereum/blob/master/cmd/geth/usage.go
flags
Package flags contains all configuration runtime flags for the client-stats daemon.
Package flags contains all configuration runtime flags for the client-stats daemon.
Package mock_cmd is a generated GoMock package.
Package mock_cmd is a generated GoMock package.
db
p2p
Package main defines a validator client, a critical actor in Ethereum which manages a keystore of private keys, connects to a beacon node to receive assignments, and submits blocks/attestations as needed.
Package main defines a validator client, a critical actor in Ethereum which manages a keystore of private keys, connects to a beacon node to receive assignments, and submits blocks/attestations as needed.
db
flags
Package flags contains all configuration runtime flags for the validator service.
Package flags contains all configuration runtime flags for the validator service.
web

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