Module: Train::Platforms::Detect::Helpers::Linux

Included in:
OSCommon
Defined in:
lib/train/platforms/detect/helpers/os_linux.rb

Instance Method Summary collapse

Instance Method Details

#linux_os_release ⇒ Object 



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# File 'lib/train/platforms/detect/helpers/os_linux.rb', line 27

def linux_os_release
  data = unix_file_contents("/etc/os-release")
  return if data.nil?

  os_info = parse_os_release_info(data)
  cisco_info_file = os_info["CISCO_RELEASE_INFO"]
  if cisco_info_file
    os_info.merge!(parse_os_release_info(unix_file_contents(cisco_info_file)))
  end

  os_info
end

#lsb_config(content) ⇒ Object 



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# File 'lib/train/platforms/detect/helpers/os_linux.rb', line 53

def lsb_config(content)
  id = /^DISTRIB_ID=["']?(.+?)["']?$/.match(content)
  release = /^DISTRIB_RELEASE=["']?(.+?)["']?$/.match(content)
  codename = /^DISTRIB_CODENAME=["']?(.+?)["']?$/.match(content)
  {
    id: id.nil? ? nil : id[1],
    release: release.nil? ? nil : release[1],
    codename: codename.nil? ? nil : codename[1],
  }
end

#lsb_release(content) ⇒ Object 



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# File 'lib/train/platforms/detect/helpers/os_linux.rb', line 64

def lsb_release(content)
  id = /^Distributor ID:\s+(.+)$/.match(content)
  release = /^Release:\s+(.+)$/.match(content)
  codename = /^Codename:\s+(.+)$/.match(content)
  {
    id: id.nil? ? nil : id[1],
    release: release.nil? ? nil : release[1],
    codename: codename.nil? ? nil : codename[1],
  }
end

#parse_os_release_info(raw) ⇒ Object 



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# File 'lib/train/platforms/detect/helpers/os_linux.rb', line 40

def parse_os_release_info(raw)
  return {} if raw.nil?

  raw.lines.each_with_object({}) do |line, memo|
    line.strip!
    next if line.nil? || line.empty?
    next if line.start_with?("#")

    key, value = line.split("=", 2)
    memo[key] = value.gsub(/\A"|"\Z/, "") unless value.nil? || value.empty?
  end
end

#read_linux_lsb ⇒ Object 



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# File 'lib/train/platforms/detect/helpers/os_linux.rb', line 75

def read_linux_lsb
  return @lsb unless @lsb.empty?

  if !(raw = unix_file_contents("/etc/lsb-release")).nil?
    @lsb = lsb_config(raw)
  elsif !(raw = unix_file_contents("/usr/bin/lsb-release")).nil?
    @lsb = lsb_release(raw)
  end
end

#redhatish(path) ⇒ Object 



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# File 'lib/train/platforms/detect/helpers/os_linux.rb', line 20

def redhatish(path)
  if (raw = unix_file_contents(path))
    @platform[:release] = redhatish_version(raw)
    true
  end
end

#redhatish_platform(conf) ⇒ Object 



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# File 'lib/train/platforms/detect/helpers/os_linux.rb', line 3

def redhatish_platform(conf)
  conf =~ /^red hat/i ? "redhat" : /(\w+)/i.match(conf)[1].downcase
end

#redhatish_version(conf) ⇒ Object 



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# File 'lib/train/platforms/detect/helpers/os_linux.rb', line 7

def redhatish_version(conf)
  case conf
  when /rawhide/i
    /((\d+) \(Rawhide\))/i.match(conf)[1].downcase
  when /Amazon Linux/i
    /([\d\.]+)/.match(conf)[1]
  when /derived from .*linux|amazon/i
    /Linux ((\d+|\.)+)/i.match(conf)[1]
  else
    /release ([\d\.]+)/.match(conf)[1]
  end
end