bitcoin-seeder-route53

bitcoin-seeder-route53.rb

#!ruby

require 'pry'
require 'aws-sdk-route53'

file = ARGV[0]

nodes = []

File.open(file) do |f|
  f.each_line do |l|
    next if l =~ /^#/ # skip header line


    e = l.chomp.split(/\s+/, 11)

    # separete IP address and port
    address = e[0]
    addr_port_delimiter = (address =~ /:\d+$/)
    addr = address[0, addr_port_delimiter]
    port = address[addr_port_delimiter + 1..-1]

    nodes << {
      addr: addr,
      port: port&.to_i,
      good: e[1]!= "0",
      last_succcess: e[2]&.to_i,
      uptime_2h: e[3]&.chomp('%')&.to_f,
      uptime_8h: e[4]&.chomp('%')&.to_f,
      uptime_1d: e[5]&.chomp('%')&.to_f,
      uptime_7d: e[6]&.chomp('%')&.to_f,
      uptime_30d: e[7]&.chomp('%')&.to_f,
      blocks: e[8]&.to_i,
      svcs: e[9],
      version: e[10]
    }
  end
end

# sort by availability
ipv6_addrs = []
ipv4_addrs = []

nodes.select{|e| e[:good] }.sort_by{ |e| e[:uptime_2h]}.reverse.each do |e|
  if e[:addr][0] == '['
    ipv6_addrs << e[:addr]&.delete('[-]')
  else
    ipv4_addrs << e[:addr]
  end
end


route53 = Aws::Route53::Client.new()

change_batch =
{
  change_batch: {
    changes: [
      {
        action: "UPSERT",
        resource_record_set: 
          {
            name: "seed.vmeta.jp.",
            resource_records: ipv4_addrs.first(25).map{|e| { value: e} },
            ttl: 30,
            type: "A",
          },
      },
      {
        action: "UPSERT",
        resource_record_set: 
          {
            name: "seed.vmeta.jp.",
            resource_records: ipv6_addrs.first(15).map{|e| { value: e} },
            ttl: 30,
            type: "AAAA",
          },
      },
    ],
  },
  hosted_zone_id: "Z270XH96UBKUL7"
}

route53.change_resource_record_sets(change_batch)