nim-codex/codex/conf.nim

411 lines
12 KiB
Nim

## Nim-Codex
## Copyright (c) 2021 Status Research & Development GmbH
## Licensed under either of
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
import pkg/upraises
push: {.upraises: [].}
import std/os
import std/terminal
import std/options
import std/strutils
import std/typetraits
import pkg/chronos
import pkg/chronicles
import pkg/chronicles/helpers
import pkg/chronicles/topics_registry
import pkg/confutils/defs
import pkg/confutils/std/net
import pkg/toml_serialization
import pkg/metrics
import pkg/metrics/chronos_httpserver
import pkg/stew/shims/net as stewnet
import pkg/libp2p
import pkg/ethers
import ./discovery
import ./stores
import ./consts
export DefaultCacheSizeMiB, net, DefaultQuotaBytes, DefaultBlockTtl, DefaultBlockMaintenanceInterval, DefaultNumberOfBlocksToMaintainPerInterval, RepoKind
type
StartUpCommand* {.pure.} = enum
noCommand,
initNode
LogKind* = enum
Auto = "auto"
Colors = "colors"
NoColors = "nocolors"
Json = "json"
None = "none"
CodexConf* = object
configFile* {.
desc: "Loads the configuration from a TOML file"
defaultValueDesc: "none"
defaultValue: InputFile.none
name: "config-file" }: Option[InputFile]
logLevel* {.
defaultValue: "INFO"
desc: "Sets the log level",
name: "log-level" }: string
logFormat* {.
hidden
desc: "Specifies what kind of logs should be written to stdout (auto, colors, nocolors, json)"
defaultValueDesc: "auto"
defaultValue: LogKind.Auto
name: "log-format" }: LogKind
metricsEnabled* {.
desc: "Enable the metrics server"
defaultValue: false
name: "metrics" }: bool
metricsAddress* {.
desc: "Listening address of the metrics server"
defaultValue: ValidIpAddress.init("127.0.0.1")
defaultValueDesc: "127.0.0.1"
name: "metrics-address" }: ValidIpAddress
metricsPort* {.
desc: "Listening HTTP port of the metrics server"
defaultValue: 8008
name: "metrics-port" }: Port
dataDir* {.
desc: "The directory where codex will store configuration and data."
defaultValue: defaultDataDir()
defaultValueDesc: ""
abbr: "d"
name: "data-dir" }: OutDir
case cmd* {.
command
defaultValue: noCommand }: StartUpCommand
of noCommand:
listenAddrs* {.
desc: "Multi Addresses to listen on"
defaultValue: @[
MultiAddress.init("/ip4/0.0.0.0/tcp/0")
.expect("Should init multiaddress")]
defaultValueDesc: "/ip4/0.0.0.0/tcp/0"
abbr: "i"
name: "listen-addrs" }: seq[MultiAddress]
# TODO: change this once we integrate nat support
nat* {.
desc: "IP Addresses to announce behind a NAT"
defaultValue: ValidIpAddress.init("127.0.0.1")
defaultValueDesc: "127.0.0.1"
abbr: "a"
name: "nat" }: ValidIpAddress
discoveryIp* {.
desc: "Discovery listen address"
defaultValue: ValidIpAddress.init(IPv4_any())
defaultValueDesc: "0.0.0.0"
abbr: "e"
name: "disc-ip" }: ValidIpAddress
discoveryPort* {.
desc: "Discovery (UDP) port"
defaultValue: 8090.Port
defaultValueDesc: "8090"
abbr: "u"
name: "disc-port" }: Port
netPrivKeyFile* {.
desc: "Source of network (secp256k1) private key file path or name"
defaultValue: "key"
name: "net-privkey" }: string
bootstrapNodes* {.
desc: "Specifies one or more bootstrap nodes to use when connecting to the network."
abbr: "b"
name: "bootstrap-node" }: seq[SignedPeerRecord]
maxPeers* {.
desc: "The maximum number of peers to connect to"
defaultValue: 160
name: "max-peers" }: int
agentString* {.
defaultValue: "Codex"
desc: "Node agent string which is used as identifier in network"
name: "agent-string" }: string
apiBindAddress* {.
desc: "The REST API bind address"
defaultValue: "127.0.0.1"
name: "api-bindaddr"
}: string
apiPort* {.
desc: "The REST Api port",
defaultValue: 8080
defaultValueDesc: "8080"
name: "api-port"
abbr: "p" }: int
repoKind* {.
desc: "backend for main repo store (fs, sqlite)"
defaultValueDesc: "fs"
defaultValue: RepoKind.repoFS
name: "repo-kind" }: RepoKind
storageQuota* {.
desc: "The size of the total storage quota dedicated to the node"
defaultValue: DefaultQuotaBytes
defaultValueDesc: $DefaultQuotaBytes
name: "storage-quota"
abbr: "q" }: Natural
blockTtlSeconds* {.
desc: "Default block timeout in seconds - 0 disables the ttl"
defaultValue: DefaultBlockTtl.seconds
defaultValueDesc: $DefaultBlockTtl
name: "block-ttl"
abbr: "t" }: int
blockMaintenanceIntervalSeconds* {.
desc: "Time interval in seconds - determines frequency of block maintenance cycle: how often blocks are checked for expiration and cleanup."
defaultValue: DefaultBlockMaintenanceInterval.seconds
defaultValueDesc: $DefaultBlockMaintenanceInterval
name: "block-mi" }: int
blockMaintenanceNumberOfBlocks* {.
desc: "Number of blocks to check every maintenance cycle."
defaultValue: DefaultNumberOfBlocksToMaintainPerInterval
defaultValueDesc: $DefaultNumberOfBlocksToMaintainPerInterval
name: "block-mn" }: int
cacheSize* {.
desc: "Size in MiB of the in-RAM block cache, 0 disables the cache - might help on slow hardrives"
defaultValue: 0
defaultValueDesc: "0"
name: "cache-size"
abbr: "c" }: Natural
persistence* {.
desc: "Enables persistence mechanism, requires an Ethereum node"
defaultValue: false
name: "persistence"
.}: bool
ethProvider* {.
desc: "The URL of the JSON-RPC API of the Ethereum node"
defaultValue: "ws://localhost:8545"
name: "eth-provider"
.}: string
ethAccount* {.
desc: "The Ethereum account that is used for storage contracts"
defaultValue: EthAddress.none
name: "eth-account"
.}: Option[EthAddress]
marketplaceAddress* {.
desc: "Address of deployed Marketplace contract"
defaultValue: EthAddress.none
name: "marketplace-address"
.}: Option[EthAddress]
validator* {.
desc: "Enables validator, requires an Ethereum node"
defaultValue: false
name: "validator"
.}: bool
validatorMaxSlots* {.
desc: "Maximum number of slots that the validator monitors"
defaultValue: 1000
name: "validator-max-slots"
.}: int
of initNode:
discard
EthAddress* = ethers.Address
proc getCodexVersion(): string =
let tag = strip(staticExec("git tag"))
if tag.isEmptyOrWhitespace:
return "untagged build"
return tag
proc getCodexRevision(): string =
strip(staticExec("git rev-parse --short HEAD"))[0..5]
proc getNimBanner(): string =
staticExec("nim --version | grep Version")
const
codexVersion* = getCodexVersion()
codexRevision* = getCodexRevision()
nimBanner* = getNimBanner()
codexFullVersion* =
"Codex version: " & codexVersion & "\p" &
"Codex revision: " & codexRevision & "\p" &
nimBanner
proc defaultDataDir*(): string =
let dataDir = when defined(windows):
"AppData" / "Roaming" / "Codex"
elif defined(macosx):
"Library" / "Application Support" / "Codex"
else:
".cache" / "codex"
getHomeDir() / dataDir
func parseCmdArg*(T: type MultiAddress, input: string): T
{.upraises: [ValueError, LPError].} =
MultiAddress.init($input).tryGet()
proc parseCmdArg*(T: type SignedPeerRecord, uri: string): T =
var res: SignedPeerRecord
try:
if not res.fromURI(uri):
warn "Invalid SignedPeerRecord uri", uri=uri
quit QuitFailure
except CatchableError as exc:
warn "Invalid SignedPeerRecord uri", uri=uri, error=exc.msg
quit QuitFailure
res
func parseCmdArg*(T: type EthAddress, address: string): T =
EthAddress.init($address).get()
proc readValue*(r: var TomlReader, val: var EthAddress)
{.upraises: [SerializationError, IOError].} =
val = EthAddress.init(r.readValue(string)).get()
proc readValue*(r: var TomlReader, val: var SignedPeerRecord) =
without uri =? r.readValue(string).catch, err:
error "invalid SignedPeerRecord configuration value", error = err.msg
quit QuitFailure
val = SignedPeerRecord.parseCmdArg(uri)
# no idea why confutils needs this:
proc completeCmdArg*(T: type EthAddress; val: string): seq[string] =
discard
# silly chronicles, colors is a compile-time property
proc stripAnsi(v: string): string =
var
res = newStringOfCap(v.len)
i: int
while i < v.len:
let c = v[i]
if c == '\x1b':
var
x = i + 1
found = false
while x < v.len: # look for [..m
let c2 = v[x]
if x == i + 1:
if c2 != '[':
break
else:
if c2 in {'0'..'9'} + {';'}:
discard # keep looking
elif c2 == 'm':
i = x + 1
found = true
break
else:
break
inc x
if found: # skip adding c
continue
res.add c
inc i
res
proc updateLogLevel*(logLevel: string) {.upraises: [ValueError].} =
# Updates log levels (without clearing old ones)
let directives = logLevel.split(";")
try:
setLogLevel(parseEnum[LogLevel](directives[0]))
except ValueError:
raise (ref ValueError)(msg: "Please specify one of TRACE, DEBUG, INFO, NOTICE, WARN, ERROR or FATAL")
if directives.len > 1:
for topicName, settings in parseTopicDirectives(directives[1..^1]):
if not setTopicState(topicName, settings.state, settings.logLevel):
warn "Unrecognized logging topic", topic = topicName
proc setupLogging*(conf: CodexConf) =
when defaultChroniclesStream.outputs.type.arity != 2:
warn "Logging configuration options not enabled in the current build"
else:
proc noOutput(logLevel: LogLevel, msg: LogOutputStr) = discard
proc writeAndFlush(f: File, msg: LogOutputStr) =
try:
f.write(msg)
f.flushFile()
except IOError as err:
logLoggingFailure(cstring(msg), err)
proc stdoutFlush(logLevel: LogLevel, msg: LogOutputStr) =
writeAndFlush(stdout, msg)
proc noColorsFlush(logLevel: LogLevel, msg: LogOutputStr) =
writeAndFlush(stdout, stripAnsi(msg))
defaultChroniclesStream.outputs[1].writer = noOutput
defaultChroniclesStream.outputs[0].writer =
case conf.logFormat:
of LogKind.Auto:
if isatty(stdout):
stdoutFlush
else:
noColorsFlush
of LogKind.Colors: stdoutFlush
of LogKind.NoColors: noColorsFlush
of LogKind.Json:
defaultChroniclesStream.outputs[1].writer = stdoutFlush
noOutput
of LogKind.None:
noOutput
try:
updateLogLevel(conf.logLevel)
except ValueError as err:
try:
stderr.write "Invalid value for --log-level. " & err.msg & "\n"
except IOError:
echo "Invalid value for --log-level. " & err.msg
quit QuitFailure
proc setupMetrics*(config: CodexConf) =
if config.metricsEnabled:
let metricsAddress = config.metricsAddress
notice "Starting metrics HTTP server",
url = "http://" & $metricsAddress & ":" & $config.metricsPort & "/metrics"
try:
startMetricsHttpServer($metricsAddress, config.metricsPort)
except CatchableError as exc:
raiseAssert exc.msg
except Exception as exc:
raiseAssert exc.msg # TODO fix metrics