Class: ConsulBridge::JoinConsul

Inherits:
Base
  • Object
show all
Defined in:
lib/consul_bridge/join_consul.rb

Constant Summary collapse

JOIN_URL = 
'http://127.0.0.1:8500/v1/agent/join'.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Base

call

Constructor Details

#initialize(master_ips:, join_all: false) ⇒ JoinConsul

Returns a new instance of JoinConsul.



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# File 'lib/consul_bridge/join_consul.rb', line 11

def initialize(master_ips:, join_all: false)
  self.master_ips = master_ips
  self.join_all = join_all
end

Instance Attribute Details

#join_all ⇒ Object

Returns the value of attribute join_all.



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# File 'lib/consul_bridge/join_consul.rb', line 7

def join_all
  @join_all
end

#master_ips ⇒ Object

Returns the value of attribute master_ips.



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# File 'lib/consul_bridge/join_consul.rb', line 7

def master_ips
  @master_ips
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/consul_bridge/join_consul.rb', line 16

def call
  private_ip = GetPrivateIP.call.private_ip
  puts "Detected private ip: #{private_ip}"
  puts "Starting join with [#{master_ips.join(', ')}]"

  joined = 0
  master_ips.each do |ip|
    next if ip == private_ip
    begin
      puts "Trying to join #{ip}"
      Excon.get(
        JOIN_URL + "/#{ip}",
        expects: [200],
        connect_timeout: 5,
        read_timeout: 11,
        write_timeout: 5,
        tcp_nodelay: true
      )
      puts "Joined #{ip}"
      joined += 1
      break unless self.join_all
    rescue Excon::Errors::HTTPStatusError, Excon::Errors::SocketError
      next
    end
  end

  if join_all && joined < 2
    raise 'Unable to join at least 2 masters with join_all'
  elsif !join_all && joined < 1
    raise 'Unable to join any master'
  end
end