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nodes-health

Small application to filter gmc nodes

What exactly it does

  • nodes-health, saves new nodes in files/bootnodes-not-filtered.json
  • Filters files/bootnodes-not-filtered.json for nodes ip/port in the /files/bootnodes-ip-and-port.json
  • Runs scan for opened and close ports and saves as files/bootnodes-opened.json' and files/bootnodes-closed.json' files
  • Looks for nodes with opened port in the files/bootnodes-opened.json' file and finds those nodes in the files/bootnodes-not-filtered.json` file
  • Saves the final result in the www/music-bootnodes/bootnodes.json.

Deploy

Systemd services

[Unit]
Description=Gmc

[Service]
ExecStart=/usr/bin/gmc --rpc --rpcapi="admin,db,eth,net,web3,personal" --rpcport "8545" --rpcaddr "127.0.0.1" --fast --cache=512 --rpccorsdomain "localhost"
User=www-data
Group=www-data

[Install]
WantedBy=default.target
[Unit]
Description=Check gmc nodes health and save as bootnodes.json
After=network.target

[Service]
ExecStart=/usr/bin/node .
WorkingDirectory=/var/www/nodes-health/
Restart=always
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=nodes-health
User=www-data
Group=www-data
Environment=NODE_ENV=production

[Install]
WantedBy=multi-user.target

Scripts & Cron

#!/bin/bash
cd /var/www/nodes-health/www/music-bootnodes
git add .
git commit -a -m "autoupdate `date +%F-%T`"
git push
*/5 * * * * su -s /bin/bash www-data -c '/usr/local/bin/autopush'

Nodes Repository