nwaku/waku/v2/node/start_network2.nim

188 lines
5.9 KiB
Nim

import
strformat, os, osproc, net, strformat, chronicles, json,
libp2p/multiaddress,
libp2p/crypto/crypto,
libp2p/crypto/secp,
libp2p/peerinfo
# Fix ambiguous call error
import strutils except fromHex
const
defaults ="--log-level:TRACE --log-metrics --metrics-server --rpc"
wakuNodeBin = "build" / "wakunode2"
metricsDir = "metrics"
portOffset = 2
type
NodeInfo* = object
cmd: string
master: bool
address: string
shift: int
label: string
Topology = enum
Star,
FullMesh
# NOTE: Don't distinguish between node types here a la full node, light node etc
proc initNodeCmd(shift: int, staticNodes: seq[string] = @[], master = false, label: string): NodeInfo =
let
rng = crypto.newRng()
key = SkPrivateKey.random(rng[])
hkey = key.getBytes().toHex()
rkey = SkPrivateKey.init(fromHex(hkey))[] #assumes ok
privKey = PrivateKey(scheme: Secp256k1, skkey: rkey)
#privKey = PrivateKey.random(Secp256k1)
pubkey = privKey.getKey()[] #assumes ok
keys = KeyPair(seckey: privKey, pubkey: pubkey)
peerInfo = PeerInfo.init(privKey)
port = 60000 + shift
#DefaultAddr = "/ip4/127.0.0.1/tcp/55505"
address = "/ip4/127.0.0.1/tcp/" & $port
hostAddress = MultiAddress.init(address).tryGet()
info "Address", address
# TODO: Need to port shift
peerInfo.addrs.add(hostAddress)
let id = $peerInfo.peerId
info "PeerInfo", id = id, addrs = peerInfo.addrs
let listenStr = $peerInfo.addrs[0] & "/p2p/" & id
result.cmd = wakuNodeBin & " " & defaults & " "
result.cmd &= "--nodekey:" & hkey & " "
result.cmd &= "--ports-shift:" & $shift & " "
if staticNodes.len > 0:
for staticNode in staticNodes:
result.cmd &= "--staticnode:" & staticNode & " "
result.shift = shift
result.label = label
result.master = master
result.address = listenStr
info "Node command created.", cmd=result.cmd, address = result.address
proc starNetwork(amount: int): seq[NodeInfo] =
let masterNode = initNodeCmd(portOffset, master = true, label = "master node")
result.add(masterNode)
for i in 1..<amount:
result.add(initNodeCmd(portOffset + i, @[masterNode.address], label = "full node"))
proc fullMeshNetwork(amount: int): seq[NodeInfo] =
debug "amount", amount
for i in 0..<amount:
var staticnodes: seq[string]
for item in result:
staticnodes.add(item.address)
result.add(initNodeCmd(portOffset + i, staticnodes, label = "full node"))
proc generatePrometheusConfig(nodes: seq[NodeInfo], outputFile: string) =
var config = """
global:
scrape_interval: 1s
scrape_configs:
- job_name: "wakusim"
static_configs:"""
var count = 0
for node in nodes:
let port = 8008 + node.shift
config &= &"""
- targets: ['127.0.0.1:{port}']
labels:
node: '{count}'"""
count += 1
var (path, file) = splitPath(outputFile)
createDir(path)
writeFile(outputFile, config)
proc proccessGrafanaDashboard(nodes: int, inputFile: string,
outputFile: string) =
# from https://github.com/status-im/nim-beacon-chain/blob/master/tests/simulation/process_dashboard.nim
var
inputData = parseFile(inputFile)
panels = inputData["panels"].copy()
numPanels = len(panels)
gridHeight = 0
outputData = inputData
for panel in panels:
if panel["gridPos"]["x"].getInt() == 0:
gridHeight += panel["gridPos"]["h"].getInt()
outputData["panels"] = %* []
for nodeNum in 0 .. (nodes - 1):
var
nodePanels = panels.copy()
panelIndex = 0
for panel in nodePanels.mitems:
panel["title"] = %* replace(panel["title"].getStr(), "#0", "#" & $nodeNum)
panel["id"] = %* (panelIndex + (nodeNum * numPanels))
panel["gridPos"]["y"] = %* (panel["gridPos"]["y"].getInt() + (nodeNum * gridHeight))
var targets = panel["targets"]
for target in targets.mitems:
target["expr"] = %* replace(target["expr"].getStr(), "{node=\"0\"}", "{node=\"" & $nodeNum & "\"}")
outputData["panels"].add(panel)
panelIndex.inc()
outputData["uid"] = %* (outputData["uid"].getStr() & "a")
outputData["title"] = %* (outputData["title"].getStr() & " (all nodes)")
writeFile(outputFile, pretty(outputData))
when isMainModule:
# TODO: WakuNetworkConf
var nodes: seq[NodeInfo]
let topology = FullMesh
# Scenario xx2 14
let amount = 16
case topology:
of Star:
nodes = starNetwork(amount)
of FullMesh:
nodes = fullMeshNetwork(amount)
var staticnodes: seq[string]
for i in 0..<amount:
# TODO: could also select nodes randomly
staticnodes.add(nodes[i].address)
# Scenario xx1 - 16 full nodes, one app topic, full mesh, gossip
# Scenario xx2 - 14 full nodes, two edge nodes, one app topic, full mesh, gossip
# NOTE: Only connecting to one node here
#var nodesubseta: seq[string]
#var nodesubsetb: seq[string]
#nodesubseta.add(staticnodes[0])
#nodesubsetb.add(staticnodes[amount-1])
## XXX: Let's turn them into normal nodes
#nodes.add(initNodeCmd(0, nodesubseta, label = "edge node (A)"))
#nodes.add(initNodeCmd(1, nodesubsetb, label = "edge node (B)"))
var commandStr = "multitail -s 2 -M 0 -x \"Waku Simulation\""
var count = 0
var sleepDuration = 0
for node in nodes:
if topology in {Star}: #DiscoveryBased
sleepDuration = if node.master: 0
else: 1
commandStr &= &" -cT ansi -t 'node #{count} {node.label}' -l 'sleep {sleepDuration}; {node.cmd}; echo [node execution completed]; while true; do sleep 100; done'"
if topology == FullMesh:
sleepDuration += 1
count += 1
generatePrometheusConfig(nodes, metricsDir / "prometheus" / "prometheus.yml")
proccessGrafanaDashboard(nodes.len,
metricsDir / "waku-grafana-dashboard.json",
metricsDir / "waku-sim-all-nodes-grafana-dashboard.json")
let errorCode = execCmd(commandStr)
if errorCode != 0:
error "launch command failed", command=commandStr