Module: CardanoUp::Utils

Defined in:
lib/cardano-up/utils.rb

Overview

Utility methods

Class Method Summary collapse

Class Method Details

.cmd(cmd, display_result: false) ⇒ Object 



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# File 'lib/cardano-up/utils.rb', line 6

def self.cmd(cmd, display_result: false)
  cmd.gsub(/\s+/, ' ')
  res = `#{cmd}`
  puts cmd if display_result
  puts res if display_result
  res.gsub("\n", ' ').strip
end

.config_urls(env) ⇒ Object

Raises:

  • CardanoUp::EnvNotSupportedError



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# File 'lib/cardano-up/utils.rb', line 110

def self.config_urls(env)
  raise CardanoUp::EnvNotSupportedError, env unless CardanoUp::ENVS.include?(env)

  base_url = configs_base_url(env)
  configs = []
  CardanoUp::CONFIG_FILES.each do |file|
    configs << "#{base_url}#{file}"
  end
  configs
end

.configs_base_url(env) ⇒ Object

Latest Cardano configs

Raises:

  • CardanoUp::EnvNotSupportedError



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# File 'lib/cardano-up/utils.rb', line 103

def self.configs_base_url(env)
  raise CardanoUp::EnvNotSupportedError, env unless CardanoUp::ENVS.include?(env)

  "#{CardanoUp::CONFIGS_BASE_URL}/#{env}/"
end

.from_json(file) ⇒ Object 



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# File 'lib/cardano-up/utils.rb', line 37

def self.from_json(file)
  JSON.parse(File.read(file), { symbolize_names: true })
end

.get_binary_url(release = 'latest') ⇒ Object

Latest binary url for latest release or particular tag, from master or pr num.

Parameters:

  • release (String) (defaults to: 'latest') —

    • ‘latest’ | /^v20.2-.2-.2/ | ‘master’ | ‘3341’

Raises:

  • CardanoUp::VersionNotSupportedError



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# File 'lib/cardano-up/utils.rb', line 66

def self.get_binary_url(release = 'latest')
  unless release == 'master' || release == 'latest' || release =~ /^v20.{2}-.{2}-.{2}/ || release =~ /^\d+$/
    raise CardanoUp::VersionNotSupportedError, release
  end

  url = ''
  if release == 'latest' || release =~ /^v20.{2}-.{2}-.{2}/
    tag = release == 'latest' ? latest_tag : release
    if linux?
      file = "cardano-wallet-#{tag}-linux64.tar.gz"
    elsif mac?
      file = "cardano-wallet-#{tag}-macos-intel.tar.gz"
    elsif win?
      file = "cardano-wallet-#{tag}-win64.zip"
    end
    url = "#{CardanoUp::BINS_BASE_URL}/releases/download/#{tag}/#{file}"
  else
    if linux?
      os = 'linux.musl.cardano-wallet-linux64'
    elsif mac?
      os = 'macos.intel.cardano-wallet-macos-intel'
    elsif win?
      os = 'linux.windows.cardano-wallet-win64'
    end

    url = if release == 'master'
            "#{CardanoUp::HYDRA_BASE_URL}/#{os}/latest/download-by-type/file/binary-dist"
          else
            "#{CardanoUp::HYDRA_BASE_URL}-pr-#{release}/#{os}/latest/download-by-type/file/binary-dist"
          end
  end
  url
end

.latest_tag ⇒ Object 



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# File 'lib/cardano-up/utils.rb', line 57

def self.latest_tag
  HTTParty.get("#{CardanoUp::BINS_BASE_URL}/releases/latest",
               headers: { 'Accept' => 'application/json' })['tag_name']
end

.linux? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cardano-up/utils.rb', line 49

def self.linux?
  RUBY_PLATFORM =~ /linux/
end

.mac? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cardano-up/utils.rb', line 53

def self.mac?
  RUBY_PLATFORM =~ /darwin/
end

.port_used?(port) ⇒ Boolean

Check if port is already used

Returns:

  • (Boolean) 


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# File 'lib/cardano-up/utils.rb', line 21

def self.port_used?(port)
  begin
    Timeout.timeout(1) do
      s = TCPSocket.new('localhost', port)
      s.close
      return true
    rescue Errno::ECONNREFUSED, Errno::EHOSTUNREACH
      return false
    end
  rescue Timeout::Error
    # do nothing
  end

  false
end

.to_json(file, hash) ⇒ Object 



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# File 'lib/cardano-up/utils.rb', line 41

def self.to_json(file, hash)
  File.write(file, JSON.pretty_generate(hash))
end

.wget(url, file = nil) ⇒ Object 



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# File 'lib/cardano-up/utils.rb', line 14

def self.wget(url, file = nil)
  file ||= File.basename(url)
  resp = HTTParty.get(url)
  File.binwrite(file, resp.body)
end

.win? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cardano-up/utils.rb', line 45

def self.win?
  RUBY_PLATFORM =~ /cygwin|mswin|mingw|bccwin|wince|emx/
end