refactor(wakunode2): extract setup proc definitions from main section

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Lorenzo Delgado 2022-10-21 15:01:01 +02:00 committed by GitHub
parent bdb120d842
commit c19081b6ce
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1 changed files with 421 additions and 370 deletions

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@ -49,6 +49,410 @@ logScope:
topics = "wakunode.setup"
type SetupResult[T] = Result[T, string]
proc setupStorage(conf: WakuNodeConf):
SetupResult[tuple[pStorage: WakuPeerStorage, mStorage: MessageStore]] =
## Setup a SQLite Database for a wakunode based on a supplied
## configuration file and perform all necessary migration.
##
## If config allows, return peer storage and message store
## for use elsewhere.
var
sqliteDatabase: SqliteDatabase
storeTuple: tuple[pStorage: WakuPeerStorage, mStorage: MessageStore]
# Setup database connection
if conf.dbPath != "":
let dbRes = SqliteDatabase.init(conf.dbPath)
if dbRes.isErr():
warn "failed to init database connection", err = dbRes.error
waku_node_errors.inc(labelValues = ["init_db_failure"])
return err("failed to init database connection")
else:
sqliteDatabase = dbRes.value
if not sqliteDatabase.isNil():
## Database vacuuming
# TODO: Wrap and move this logic to the appropriate module
let
pageSize = ?sqliteDatabase.getPageSize()
pageCount = ?sqliteDatabase.getPageCount()
freelistCount = ?sqliteDatabase.getFreelistCount()
debug "sqlite database page stats", pageSize=pageSize, pages=pageCount, freePages=freelistCount
# TODO: Run vacuuming conditionally based on database page stats
if conf.dbVacuum and (pageCount > 0 and freelistCount > 0):
debug "starting sqlite database vacuuming"
let resVacuum = sqliteDatabase.vacuum()
if resVacuum.isErr():
return err("failed to execute vacuum: " & resVacuum.error())
debug "finished sqlite database vacuuming"
sqliteDatabase.runMigrations(conf)
if conf.persistPeers:
let res = WakuPeerStorage.new(sqliteDatabase)
if res.isErr():
warn "failed to init peer store", err = res.error
waku_node_errors.inc(labelValues = ["init_store_failure"])
else:
storeTuple.pStorage = res.value
if conf.persistMessages:
if conf.sqliteStore:
debug "setting up sqlite-only store"
let res = SqliteStore.init(sqliteDatabase)
if res.isErr():
warn "failed to init message store", err = res.error
waku_node_errors.inc(labelValues = ["init_store_failure"])
else:
storeTuple.mStorage = res.value
elif not sqliteDatabase.isNil():
debug "setting up dual message store"
let res = DualMessageStore.init(sqliteDatabase, conf.storeCapacity)
if res.isErr():
warn "failed to init message store", err = res.error
waku_node_errors.inc(labelValues = ["init_store_failure"])
else:
storeTuple.mStorage = res.value
else:
debug "setting up in-memory store"
storeTuple.mStorage = StoreQueueRef.new(conf.storeCapacity)
ok(storeTuple)
proc retrieveDynamicBootstrapNodes(conf: WakuNodeConf): SetupResult[seq[RemotePeerInfo]] =
if conf.dnsDiscovery and conf.dnsDiscoveryUrl != "":
# DNS discovery
debug "Discovering nodes using Waku DNS discovery", url=conf.dnsDiscoveryUrl
var nameServers: seq[TransportAddress]
for ip in conf.dnsDiscoveryNameServers:
nameServers.add(initTAddress(ip, Port(53))) # Assume all servers use port 53
let dnsResolver = DnsResolver.new(nameServers)
proc resolver(domain: string): Future[string] {.async, gcsafe.} =
trace "resolving", domain=domain
let resolved = await dnsResolver.resolveTxt(domain)
return resolved[0] # Use only first answer
var wakuDnsDiscovery = WakuDnsDiscovery.init(conf.dnsDiscoveryUrl,
resolver)
if wakuDnsDiscovery.isOk:
return wakuDnsDiscovery.get().findPeers()
.mapErr(proc (e: cstring): string = $e)
else:
warn "Failed to init Waku DNS discovery"
debug "No method for retrieving dynamic bootstrap nodes specified."
ok(newSeq[RemotePeerInfo]()) # Return an empty seq by default
proc initNode(conf: WakuNodeConf,
pStorage: WakuPeerStorage = nil,
dynamicBootstrapNodes: openArray[RemotePeerInfo] = @[]): SetupResult[WakuNode] =
## Setup a basic Waku v2 node based on a supplied configuration
## file. Optionally include persistent peer storage.
## No protocols are mounted yet.
var dnsResolver: DnsResolver
if conf.dnsAddrs:
# Support for DNS multiaddrs
var nameServers: seq[TransportAddress]
for ip in conf.dnsAddrsNameServers:
nameServers.add(initTAddress(ip, Port(53))) # Assume all servers use port 53
dnsResolver = DnsResolver.new(nameServers)
let
## `udpPort` is only supplied to satisfy underlying APIs but is not
## actually a supported transport for libp2p traffic.
udpPort = conf.tcpPort
(extIp, extTcpPort, extUdpPort) = setupNat(conf.nat,
clientId,
Port(uint16(conf.tcpPort) + conf.portsShift),
Port(uint16(udpPort) + conf.portsShift))
dns4DomainName = if conf.dns4DomainName != "": some(conf.dns4DomainName)
else: none(string)
discv5UdpPort = if conf.discv5Discovery: some(Port(uint16(conf.discv5UdpPort) + conf.portsShift))
else: none(Port)
## @TODO: the NAT setup assumes a manual port mapping configuration if extIp config is set. This probably
## implies adding manual config item for extPort as well. The following heuristic assumes that, in absence of manual
## config, the external port is the same as the bind port.
extPort = if (extIp.isSome() or dns4DomainName.isSome()) and extTcpPort.isNone():
some(Port(uint16(conf.tcpPort) + conf.portsShift))
else:
extTcpPort
wakuFlags = initWakuFlags(conf.lightpush,
conf.filter,
conf.store,
conf.relay)
var node: WakuNode
try:
node = WakuNode.new(conf.nodekey,
conf.listenAddress, Port(uint16(conf.tcpPort) + conf.portsShift),
extIp, extPort,
pStorage,
conf.maxConnections.int,
Port(uint16(conf.websocketPort) + conf.portsShift),
conf.websocketSupport,
conf.websocketSecureSupport,
conf.websocketSecureKeyPath,
conf.websocketSecureCertPath,
some(wakuFlags),
dnsResolver,
conf.relayPeerExchange, # We send our own signed peer record when peer exchange enabled
dns4DomainName,
discv5UdpPort
)
except:
return err("failed to create waku node instance: " & getCurrentExceptionMsg())
if conf.discv5Discovery:
let
discoveryConfig = DiscoveryConfig.init(
conf.discv5TableIpLimit, conf.discv5BucketIpLimit, conf.discv5BitsPerHop)
# select dynamic bootstrap nodes that have an ENR containing a udp port.
# Discv5 only supports UDP https://github.com/ethereum/devp2p/blob/master/discv5/discv5-theory.md)
var discv5BootstrapEnrs: seq[enr.Record]
for n in dynamicBootstrapNodes:
if n.enr.isSome():
let
enr = n.enr.get()
tenrRes = enr.toTypedRecord()
if tenrRes.isOk() and (tenrRes.get().udp.isSome() or tenrRes.get().udp6.isSome()):
discv5BootstrapEnrs.add(enr)
# parse enrURIs from the configuration and add the resulting ENRs to the discv5BootstrapEnrs seq
for enrUri in conf.discv5BootstrapNodes:
addBootstrapNode(enrUri, discv5BootstrapEnrs)
node.wakuDiscv5 = WakuDiscoveryV5.new(
extIP, extPort, discv5UdpPort,
conf.listenAddress,
discv5UdpPort.get(),
discv5BootstrapEnrs,
conf.discv5EnrAutoUpdate,
keys.PrivateKey(conf.nodekey.skkey),
wakuFlags,
[], # Empty enr fields, for now
node.rng,
discoveryConfig
)
ok(node)
proc setupProtocols(node: WakuNode, conf: WakuNodeConf, mStorage: MessageStore): Future[SetupResult[void]] {.async.} =
## Setup configured protocols on an existing Waku v2 node.
## Optionally include persistent message storage.
## No protocols are started yet.
# Mount relay on all nodes
var peerExchangeHandler = none(RoutingRecordsHandler)
if conf.relayPeerExchange:
proc handlePeerExchange(peer: PeerId, topic: string,
peers: seq[RoutingRecordsPair]) {.gcsafe, raises: [Defect].} =
## Handle peers received via gossipsub peer exchange
# TODO: Only consider peers on pubsub topics we subscribe to
let exchangedPeers = peers.filterIt(it.record.isSome()) # only peers with populated records
.mapIt(toRemotePeerInfo(it.record.get()))
debug "connecting to exchanged peers", src=peer, topic=topic, numPeers=exchangedPeers.len
# asyncSpawn, as we don't want to block here
asyncSpawn node.connectToNodes(exchangedPeers, "peer exchange")
peerExchangeHandler = some(handlePeerExchange)
if conf.relay:
try:
let pubsubTopics = conf.topics.split(" ")
await mountRelay(node, pubsubTopics, peerExchangeHandler = peerExchangeHandler)
except:
return err("failed to mount waku relay protocol: " & getCurrentExceptionMsg())
# Keepalive mounted on all nodes
try:
await mountLibp2pPing(node)
except:
return err("failed to mount libp2p ping protocol: " & getCurrentExceptionMsg())
when defined(rln) or defined(rlnzerokit):
if conf.rlnRelay:
try:
let res = node.mountRlnRelay(conf)
if res.isErr():
return err("failed to mount waku RLN relay protocol: " & res.error)
except:
return err("failed to mount waku RLN relay protocol: " & getCurrentExceptionMsg())
if conf.swap:
try:
await mountSwap(node)
# TODO: Set swap peer, for now should be same as store peer
except:
return err("failed to mount waku swap protocol: " & getCurrentExceptionMsg())
# Store setup
if (conf.storenode != "") or (conf.store):
let retentionPolicy = if conf.sqliteStore: TimeRetentionPolicy.init(conf.sqliteRetentionTime)
else: CapacityRetentionPolicy.init(conf.storeCapacity)
try:
await mountStore(node, mStorage, retentionPolicy=some(retentionPolicy))
except:
return err("failed to mount waku store protocol: " & getCurrentExceptionMsg())
executeMessageRetentionPolicy(node)
startMessageRetentionPolicyPeriodicTask(node, interval=MessageStoreDefaultRetentionPolicyInterval)
if conf.storenode != "":
try:
setStorePeer(node, conf.storenode)
except:
return err("failed to set node waku store peer: " & getCurrentExceptionMsg())
# NOTE Must be mounted after relay
if (conf.lightpushnode != "") or (conf.lightpush):
try:
await mountLightPush(node)
except:
return err("failed to mount waku lightpush protocol: " & getCurrentExceptionMsg())
if conf.lightpushnode != "":
try:
setLightPushPeer(node, conf.lightpushnode)
except:
return err("failed to set node waku lightpush peer: " & getCurrentExceptionMsg())
# Filter setup. NOTE Must be mounted after relay
if (conf.filternode != "") or (conf.filter):
try:
await mountFilter(node, filterTimeout = chronos.seconds(conf.filterTimeout))
except:
return err("failed to mount waku filter protocol: " & getCurrentExceptionMsg())
if conf.filternode != "":
try:
setFilterPeer(node, conf.filternode)
except:
return err("failed to set node waku filter peer: " & getCurrentExceptionMsg())
# waku peer exchange setup
if (conf.peerExchangeNode != "") or (conf.peerExchange):
try:
await mountWakuPeerExchange(node)
except:
return err("failed to mount waku peer-exchange protocol: " & getCurrentExceptionMsg())
if conf.peerExchangeNode != "":
try:
setPeerExchangePeer(node, conf.peerExchangeNode)
except:
return err("failed to set node waku lightpush peer: " & getCurrentExceptionMsg())
return ok()
proc startNode(node: WakuNode, conf: WakuNodeConf,
dynamicBootstrapNodes: seq[RemotePeerInfo] = @[]): Future[SetupResult[void]] {.async.} =
## Start a configured node and all mounted protocols.
## Resume history, connect to static nodes and start
## keep-alive, if configured.
# Start Waku v2 node
try:
await node.start()
except:
return err("failed to start waku node: " & getCurrentExceptionMsg())
# Start discv5 and connect to discovered nodes
if conf.discv5Discovery:
try:
if not await node.startDiscv5():
error "could not start Discovery v5"
except:
return err("failed to start waku discovery v5: " & getCurrentExceptionMsg())
# Resume historical messages, this has to be called after the node has been started
if conf.store and conf.persistMessages:
try:
await node.resume()
except:
return err("failed to resume messages history: " & getCurrentExceptionMsg())
# Connect to configured static nodes
if conf.staticnodes.len > 0:
try:
await connectToNodes(node, conf.staticnodes, "static")
except:
return err("failed to connect to static nodes: " & getCurrentExceptionMsg())
if dynamicBootstrapNodes.len > 0:
info "Connecting to dynamic bootstrap peers"
try:
await connectToNodes(node, dynamicBootstrapNodes, "dynamic bootstrap")
except:
return err("failed to connect to dynamic bootstrap nodes: " & getCurrentExceptionMsg())
# retrieve and connect to peer exchange peers
if conf.peerExchangeNode != "":
info "Retrieving peer info via peer exchange protocol"
let desiredOutDegree = node.wakuRelay.parameters.d.uint64()
try:
discard await node.wakuPeerExchange.request(desiredOutDegree)
except:
return err("failed to retrieve peer info via peer exchange protocol: " & getCurrentExceptionMsg())
# Start keepalive, if enabled
if conf.keepAlive:
node.startKeepalive()
return ok()
proc startExternal(node: WakuNode, conf: WakuNodeConf): SetupResult[void] =
## Start configured external interfaces and monitoring tools
## on a Waku v2 node, including the RPC API, REST API and metrics
## monitoring ports.
if conf.rpc:
try:
startRpcServer(node, conf.rpcAddress, Port(conf.rpcPort + conf.portsShift), conf)
except:
return err("failed to start the json-rpc server: " & getCurrentExceptionMsg())
if conf.rest:
startRestServer(node, conf.restAddress, Port(conf.restPort + conf.portsShift), conf)
if conf.metricsLogging:
startMetricsLog()
if conf.metricsServer:
startMetricsServer(conf.metricsServerAddress,
Port(conf.metricsServerPort + conf.portsShift))
ok()
{.pop.} # @TODO confutils.nim(775, 17) Error: can raise an unlisted exception: ref IOError
when isMainModule:
## Node setup happens in 6 phases:
@ -59,354 +463,6 @@ when isMainModule:
## 5. Start monitoring tools and external interfaces
## 6. Setup graceful shutdown hooks
###################
# Setup functions #
###################
type SetupResult[T] = Result[T, string]
# 1/7 Setup storage
proc setupStorage(conf: WakuNodeConf):
SetupResult[tuple[pStorage: WakuPeerStorage, mStorage: MessageStore]] =
## Setup a SQLite Database for a wakunode based on a supplied
## configuration file and perform all necessary migration.
##
## If config allows, return peer storage and message store
## for use elsewhere.
var
sqliteDatabase: SqliteDatabase
storeTuple: tuple[pStorage: WakuPeerStorage, mStorage: MessageStore]
# Setup database connection
if conf.dbPath != "":
let dbRes = SqliteDatabase.init(conf.dbPath)
if dbRes.isErr():
warn "failed to init database connection", err = dbRes.error
waku_node_errors.inc(labelValues = ["init_db_failure"])
return err("failed to init database connection")
else:
sqliteDatabase = dbRes.value
if not sqliteDatabase.isNil():
## Database vacuuming
# TODO: Wrap and move this logic to the appropriate module
let
pageSize = ?sqliteDatabase.getPageSize()
pageCount = ?sqliteDatabase.getPageCount()
freelistCount = ?sqliteDatabase.getFreelistCount()
debug "sqlite database page stats", pageSize=pageSize, pages=pageCount, freePages=freelistCount
# TODO: Run vacuuming conditionally based on database page stats
if conf.dbVacuum and (pageCount > 0 and freelistCount > 0):
debug "starting sqlite database vacuuming"
let resVacuum = sqliteDatabase.vacuum()
if resVacuum.isErr():
return err("failed to execute vacuum: " & resVacuum.error())
debug "finished sqlite database vacuuming"
sqliteDatabase.runMigrations(conf)
if conf.persistPeers:
let res = WakuPeerStorage.new(sqliteDatabase)
if res.isErr():
warn "failed to init peer store", err = res.error
waku_node_errors.inc(labelValues = ["init_store_failure"])
else:
storeTuple.pStorage = res.value
if conf.persistMessages:
if conf.sqliteStore:
debug "setting up sqlite-only store"
let res = SqliteStore.init(sqliteDatabase)
if res.isErr():
warn "failed to init message store", err = res.error
waku_node_errors.inc(labelValues = ["init_store_failure"])
else:
storeTuple.mStorage = res.value
elif not sqliteDatabase.isNil():
debug "setting up dual message store"
let res = DualMessageStore.init(sqliteDatabase, conf.storeCapacity)
if res.isErr():
warn "failed to init message store", err = res.error
waku_node_errors.inc(labelValues = ["init_store_failure"])
else:
storeTuple.mStorage = res.value
else:
debug "setting up in-memory store"
storeTuple.mStorage = StoreQueueRef.new(conf.storeCapacity)
ok(storeTuple)
# 2/7 Retrieve dynamic bootstrap nodes
proc retrieveDynamicBootstrapNodes(conf: WakuNodeConf): SetupResult[seq[RemotePeerInfo]] =
if conf.dnsDiscovery and conf.dnsDiscoveryUrl != "":
# DNS discovery
debug "Discovering nodes using Waku DNS discovery", url=conf.dnsDiscoveryUrl
var nameServers: seq[TransportAddress]
for ip in conf.dnsDiscoveryNameServers:
nameServers.add(initTAddress(ip, Port(53))) # Assume all servers use port 53
let dnsResolver = DnsResolver.new(nameServers)
proc resolver(domain: string): Future[string] {.async, gcsafe.} =
trace "resolving", domain=domain
let resolved = await dnsResolver.resolveTxt(domain)
return resolved[0] # Use only first answer
var wakuDnsDiscovery = WakuDnsDiscovery.init(conf.dnsDiscoveryUrl,
resolver)
if wakuDnsDiscovery.isOk:
return wakuDnsDiscovery.get().findPeers()
.mapErr(proc (e: cstring): string = $e)
else:
warn "Failed to init Waku DNS discovery"
debug "No method for retrieving dynamic bootstrap nodes specified."
ok(newSeq[RemotePeerInfo]()) # Return an empty seq by default
# 3/7 Initialize node
proc initNode(conf: WakuNodeConf,
pStorage: WakuPeerStorage = nil,
dynamicBootstrapNodes: openArray[RemotePeerInfo] = @[]): SetupResult[WakuNode] =
## Setup a basic Waku v2 node based on a supplied configuration
## file. Optionally include persistent peer storage.
## No protocols are mounted yet.
var dnsResolver: DnsResolver
if conf.dnsAddrs:
# Support for DNS multiaddrs
var nameServers: seq[TransportAddress]
for ip in conf.dnsAddrsNameServers:
nameServers.add(initTAddress(ip, Port(53))) # Assume all servers use port 53
dnsResolver = DnsResolver.new(nameServers)
let
## `udpPort` is only supplied to satisfy underlying APIs but is not
## actually a supported transport for libp2p traffic.
udpPort = conf.tcpPort
(extIp, extTcpPort, extUdpPort) = setupNat(conf.nat,
clientId,
Port(uint16(conf.tcpPort) + conf.portsShift),
Port(uint16(udpPort) + conf.portsShift))
dns4DomainName = if conf.dns4DomainName != "": some(conf.dns4DomainName)
else: none(string)
discv5UdpPort = if conf.discv5Discovery: some(Port(uint16(conf.discv5UdpPort) + conf.portsShift))
else: none(Port)
## @TODO: the NAT setup assumes a manual port mapping configuration if extIp config is set. This probably
## implies adding manual config item for extPort as well. The following heuristic assumes that, in absence of manual
## config, the external port is the same as the bind port.
extPort = if (extIp.isSome() or dns4DomainName.isSome()) and extTcpPort.isNone():
some(Port(uint16(conf.tcpPort) + conf.portsShift))
else:
extTcpPort
wakuFlags = initWakuFlags(conf.lightpush,
conf.filter,
conf.store,
conf.relay)
node = WakuNode.new(conf.nodekey,
conf.listenAddress, Port(uint16(conf.tcpPort) + conf.portsShift),
extIp, extPort,
pStorage,
conf.maxConnections.int,
Port(uint16(conf.websocketPort) + conf.portsShift),
conf.websocketSupport,
conf.websocketSecureSupport,
conf.websocketSecureKeyPath,
conf.websocketSecureCertPath,
some(wakuFlags),
dnsResolver,
conf.relayPeerExchange, # We send our own signed peer record when peer exchange enabled
dns4DomainName,
discv5UdpPort
)
if conf.discv5Discovery:
let
discoveryConfig = DiscoveryConfig.init(
conf.discv5TableIpLimit, conf.discv5BucketIpLimit, conf.discv5BitsPerHop)
# select dynamic bootstrap nodes that have an ENR containing a udp port.
# Discv5 only supports UDP https://github.com/ethereum/devp2p/blob/master/discv5/discv5-theory.md)
var discv5BootstrapEnrs: seq[enr.Record]
for n in dynamicBootstrapNodes:
if n.enr.isSome():
let
enr = n.enr.get()
tenrRes = enr.toTypedRecord()
if tenrRes.isOk() and (tenrRes.get().udp.isSome() or tenrRes.get().udp6.isSome()):
discv5BootstrapEnrs.add(enr)
# parse enrURIs from the configuration and add the resulting ENRs to the discv5BootstrapEnrs seq
for enrUri in conf.discv5BootstrapNodes:
addBootstrapNode(enrUri, discv5BootstrapEnrs)
node.wakuDiscv5 = WakuDiscoveryV5.new(
extIP, extPort, discv5UdpPort,
conf.listenAddress,
discv5UdpPort.get(),
discv5BootstrapEnrs,
conf.discv5EnrAutoUpdate,
keys.PrivateKey(conf.nodekey.skkey),
wakuFlags,
[], # Empty enr fields, for now
node.rng,
discoveryConfig
)
ok(node)
# 4/7 Mount and initialize configured protocols
proc setupProtocols(node: WakuNode, conf: WakuNodeConf, mStorage: MessageStore): SetupResult[bool] =
## Setup configured protocols on an existing Waku v2 node.
## Optionally include persistent message storage.
## No protocols are started yet.
# Mount relay on all nodes
var peerExchangeHandler = none(RoutingRecordsHandler)
if conf.relayPeerExchange:
proc handlePeerExchange(peer: PeerId, topic: string,
peers: seq[RoutingRecordsPair]) {.gcsafe, raises: [Defect].} =
## Handle peers received via gossipsub peer exchange
# TODO: Only consider peers on pubsub topics we subscribe to
let exchangedPeers = peers.filterIt(it.record.isSome()) # only peers with populated records
.mapIt(toRemotePeerInfo(it.record.get()))
debug "connecting to exchanged peers", src=peer, topic=topic, numPeers=exchangedPeers.len
# asyncSpawn, as we don't want to block here
asyncSpawn node.connectToNodes(exchangedPeers, "peer exchange")
peerExchangeHandler = some(handlePeerExchange)
if conf.relay:
waitFor mountRelay(node,
conf.topics.split(" "),
peerExchangeHandler = peerExchangeHandler)
# Keepalive mounted on all nodes
waitFor mountLibp2pPing(node)
when defined(rln) or defined(rlnzerokit):
if conf.rlnRelay:
let res = node.mountRlnRelay(conf)
if res.isErr():
debug "could not mount WakuRlnRelay"
if conf.swap:
waitFor mountSwap(node)
# TODO Set swap peer, for now should be same as store peer
# Store setup
if (conf.storenode != "") or (conf.store):
let retentionPolicy = if conf.sqliteStore: TimeRetentionPolicy.init(conf.sqliteRetentionTime)
else: CapacityRetentionPolicy.init(conf.storeCapacity)
waitFor mountStore(node, mStorage, retentionPolicy=some(retentionPolicy))
executeMessageRetentionPolicy(node)
startMessageRetentionPolicyPeriodicTask(node, interval=MessageStoreDefaultRetentionPolicyInterval)
if conf.storenode != "":
setStorePeer(node, conf.storenode)
# NOTE Must be mounted after relay
if (conf.lightpushnode != "") or (conf.lightpush):
waitFor mountLightPush(node)
if conf.lightpushnode != "":
setLightPushPeer(node, conf.lightpushnode)
# Filter setup. NOTE Must be mounted after relay
if (conf.filternode != "") or (conf.filter):
waitFor mountFilter(node, filterTimeout = chronos.seconds(conf.filterTimeout))
if conf.filternode != "":
setFilterPeer(node, conf.filternode)
# waku peer exchange setup
if (conf.peerExchangeNode != "") or (conf.peerExchange):
waitFor mountWakuPeerExchange(node)
if conf.peerExchangeNode != "":
setPeerExchangePeer(node, conf.peerExchangeNode)
ok(true) # Success
# 5/7 Start node and mounted protocols
proc startNode(node: WakuNode, conf: WakuNodeConf,
dynamicBootstrapNodes: seq[RemotePeerInfo] = @[]): SetupResult[bool] =
## Start a configured node and all mounted protocols.
## Resume history, connect to static nodes and start
## keep-alive, if configured.
# Start Waku v2 node
waitFor node.start()
# Start discv5 and connect to discovered nodes
if conf.discv5Discovery:
if not waitFor node.startDiscv5():
error "could not start Discovery v5"
# Resume historical messages, this has to be called after the node has been started
if conf.store and conf.persistMessages:
waitFor node.resume()
# Connect to configured static nodes
if conf.staticnodes.len > 0:
waitFor connectToNodes(node, conf.staticnodes, "static")
if dynamicBootstrapNodes.len > 0:
info "Connecting to dynamic bootstrap peers"
waitFor connectToNodes(node, dynamicBootstrapNodes, "dynamic bootstrap")
# retrieve and connect to peer exchange peers
if conf.peerExchangeNode != "":
info "Retrieving peer info via peer exchange protocol"
let desiredOutDegree = node.wakuRelay.parameters.d.uint64()
discard waitFor node.wakuPeerExchange.request(desiredOutDegree)
# Start keepalive, if enabled
if conf.keepAlive:
node.startKeepalive()
ok(true) # Success
# 6/7 Start monitoring tools and external interfaces
proc startExternal(node: WakuNode, conf: WakuNodeConf): SetupResult[bool] =
## Start configured external interfaces and monitoring tools
## on a Waku v2 node, including the RPC API, REST API and metrics
## monitoring ports.
if conf.rpc:
startRpcServer(node, conf.rpcAddress, Port(conf.rpcPort + conf.portsShift), conf)
if conf.rest:
startRestServer(node, conf.restAddress, Port(conf.restPort + conf.portsShift), conf)
if conf.metricsLogging:
startMetricsLog()
if conf.metricsServer:
startMetricsServer(conf.metricsServerAddress,
Port(conf.metricsServerPort + conf.portsShift))
ok(true) # Success
{.push warning[ProveInit]: off.}
let conf = try:
WakuNodeConf.load(
@ -414,8 +470,8 @@ when isMainModule:
if conf.configFile.isSome:
sources.addConfigFile(Toml, conf.configFile.get)
)
except CatchableError as err:
error "Failure while loading the configuration: \n", err_msg=err.msg
except CatchableError:
error "Failure while loading the configuration: \n", error=getCurrentExceptionMsg()
quit 1 # if we don't leave here, the initialization of conf does not work in the success case
{.pop.}
@ -442,9 +498,8 @@ when isMainModule:
mStorage: MessageStore
let setupStorageRes = setupStorage(conf)
if setupStorageRes.isErr:
error "1/7 Setting up storage failed. Continuing without storage."
if setupStorageRes.isErr():
error "1/7 Setting up storage failed. Continuing without storage.", error=setupStorageRes.error
else:
(pStorage, mStorage) = setupStorageRes.get()
@ -452,41 +507,37 @@ when isMainModule:
var dynamicBootstrapNodes: seq[RemotePeerInfo]
let dynamicBootstrapNodesRes = retrieveDynamicBootstrapNodes(conf)
if dynamicBootstrapNodesRes.isErr:
warn "2/7 Retrieving dynamic bootstrap nodes failed. Continuing without dynamic bootstrap nodes."
if dynamicBootstrapNodesRes.isErr():
warn "2/7 Retrieving dynamic bootstrap nodes failed. Continuing without dynamic bootstrap nodes.", error=dynamicBootstrapNodesRes.error
else:
dynamicBootstrapNodes = dynamicBootstrapNodesRes.get()
debug "3/7 Initializing node"
let initNodeRes = initNode(conf, pStorage, dynamicBootstrapNodes)
if initNodeRes.isErr:
error "3/7 Initializing node failed. Quitting."
if initNodeRes.isErr():
error "3/7 Initializing node failed. Quitting.", error=initNodeRes.error
quit(QuitFailure)
else:
node = initNodeRes.get()
debug "4/7 Mounting protocols"
let setupProtocolsRes = setupProtocols(node, conf, mStorage)
if setupProtocolsRes.isErr:
error "4/7 Mounting protocols failed. Continuing in current state."
let setupProtocolsRes = waitFor setupProtocols(node, conf, mStorage)
if setupProtocolsRes.isErr():
error "4/7 Mounting protocols failed. Continuing in current state.", error=setupProtocolsRes.error
debug "5/7 Starting node and mounted protocols"
let startNodeRes = startNode(node, conf, dynamicBootstrapNodes)
if startNodeRes.isErr:
error "5/7 Starting node and mounted protocols failed. Continuing in current state."
let startNodeRes = waitFor startNode(node, conf, dynamicBootstrapNodes)
if startNodeRes.isErr():
error "5/7 Starting node and mounted protocols failed. Continuing in current state.", error=startNodeRes.error
debug "6/7 Starting monitoring and external interfaces"
let startExternalRes = startExternal(node, conf)
if startExternalRes.isErr:
error "6/7 Starting monitoring and external interfaces failed. Continuing in current state."
if startExternalRes.isErr():
error "6/7 Starting monitoring and external interfaces failed. Continuing in current state.", error=startExternalRes.error
debug "7/7 Setting up shutdown hooks"
@ -514,6 +565,6 @@ when isMainModule:
c_signal(ansi_c.SIGTERM, handleSigterm)
debug "Node setup complete"
info "Node setup complete"
runForever()