bench.sh

#!/bin/sh

set -x

sysctl -w kernel.core_pattern="/data/cores/core.%e.%p"
export DATE=""
DATE=$(date +'%d')
export SNAPSHOT_BLOCK=""
if [ -z "$OPSIAN_OPTS" ]
then
export OPSIAN_OPTS="apiKey=$OPS_KEY,applicationVersion=1,debugLogPath=/data/£{ARGV_0}-£{PID}-debug.log,agentId=£{ARGV_0}-snapshot"
fi
export OCAMLRUNPARAM='v=0x400'

if [ -f /data/block ]
then
  SNAPSHOT_BLOCK=$(cat /data/block)
fi

while true
do
  echo "Benchmark run @ $(date)"

  # Download a new snapshot once per day
  NEW_DATE=$(date +'%d')
  if [ "$DATE" -ne "$NEW_DATE" ] || [ ! -f /data/snapshot ]
  then
    SNAPSHOT_LINE=$(curl -s https://snapshots-tezos.giganode.io | grep 'href="https://snapshots-tezos.giganode.io/snapshots/mainnet' | grep rolling | head -n 1)
    SNAPSHOT_URL=$(echo "$SNAPSHOT_LINE" | sed 's/.*href="//;s/".*//')
    SNAPSHOT_BLOCK=$(echo "$SNAPSHOT_LINE" | sed 's/.*_//;s/\.rolling.*//')

    rm -f /data/snapshot
    echo "$SNAPSHOT_BLOCK" > /data/block
    wget "$SNAPSHOT_URL" -O /data/snapshot || true
  fi
  DATE=$NEW_DATE

  rm -rf /data/tezos-node-mainnet
  ./tezos-node config init --data-dir /data/tezos-node-mainnet --network mainnet
  time ./tezos-node snapshot --data-dir /data/tezos-node-mainnet import --block "$SNAPSHOT_BLOCK" /data/snapshot

done