quorum-create-nodes

#!/usr/bin/env ruby

require "yaml"
require "erb"

# setup up default config, or get passed in config to use.
@CONFIG_FILE = "qubernetes.yaml"
@OPTIONAL_CONFIG_FILE=ARGV[0]
ARGV.clear

if @OPTIONAL_CONFIG_FILE != nil
  @CONFIG_FILE = @OPTIONAL_CONFIG_FILE
end
puts "using config file: " + @CONFIG_FILE

@config     = YAML.load_file(@CONFIG_FILE)

# if nodes.yaml exists already, only append from last number, nodes will monotonically increase in number.
# Read in nodes.yaml if it exists.
@Node_File="out/config/nodes.yaml"

if File.file?(@Node_File)
  puts "node file exists!!"
  @node_config = YAML.load_file(@Node_File)
  @nodes = @node_config["nodes"]
  puts @nodes.length
  @nodes.each do |node|
    puts node.values.first["Node_UserIdent"]
  end
  # TODO: pass in len + 1 to nodes.yaml.erb
else
  # else write the whole file in.
  puts "doesn't exist will create"
  File.open(@Node_File, "w") do |f|
    f.puts (ERB.new(File.read("nodes.yaml.erb"), nil, "-").result)
  end
end

# update sym link in home directory.
`rm nodes.yaml | true`
`ln -s out/config/nodes.yaml .`