Module: Train::Extras::DetectLinux
Overview
rubocop:disable Metrics/ModuleLength
Constant Summary
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- DEBIAN_FAMILY =
%w{debian ubuntu linuxmint raspbian}.freeze
- REDHAT_FAMILY =
%w{centos redhat oracle scientific enterpriseenterprise xenserver cloudlinux ibm_powerkvm nexus_centos wrlinux}.freeze
- SUSE_FAMILY =
%w{suse opensuse}.freeze
Instance Method Summary
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Methods included from Uname
#uname_m, #uname_r, #uname_s
Methods included from LinuxLSB
#detect_linux_via_lsb, #lsb, #lsb_config, #lsb_release
Instance Method Details
#detect_linux ⇒ Object
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# File 'lib/train/extras/os_detect_linux.rb', line 130
def detect_linux
return false if uname_s.nil? || uname_s.empty?
return false if uname_r.nil? || uname_r.empty?
detect_linux_arch
return true if detect_linux_via_config
return true if detect_linux_via_lsb
@platform[:family] = 'unknown'
end
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#detect_linux_arch ⇒ Object
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# File 'lib/train/extras/os_detect_linux.rb', line 126
def detect_linux_arch
@platform[:arch] = uname_m
end
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#detect_linux_via_config ⇒ Object
rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength, Metrics/PerceivedComplexity
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# File 'lib/train/extras/os_detect_linux.rb', line 23
def detect_linux_via_config if !(raw = get_config('oracle-release')).nil?
@platform[:name] = 'oracle'
@platform[:release] = redhatish_version(raw)
elsif !(raw = get_config('/etc/enterprise-release')).nil?
@platform[:name] = 'oracle'
@platform[:release] = redhatish_version(raw)
elsif !(raw = get_config('/etc/debian_version')).nil?
case lsb[:id]
when /ubuntu/i
@platform[:name] = 'ubuntu'
@platform[:release] = lsb[:release]
when /linuxmint/i
@platform[:name] = 'linuxmint'
@platform[:release] = lsb[:release]
else
@platform[:name] = unix_file?('/usr/bin/raspi-config') ? 'raspbian' : 'debian'
@platform[:release] = raw.chomp
end
elsif !(raw = get_config('/etc/parallels-release')).nil?
@platform[:name] = redhatish_platform(raw)
@platform[:release] = raw[/(\d\.\d\.\d)/, 1]
elsif !(raw = get_config('/etc/redhat-release')).nil?
@platform[:name] = if !(osrel = get_config('/etc/os-release')).nil? && osrel =~ /centos/i
'centos'
else
redhatish_platform(raw)
end
@platform[:release] = redhatish_version(raw)
elsif !(raw = get_config('/etc/system-release')).nil?
@platform[:name] = redhatish_platform(raw)
@platform[:release] = redhatish_version(raw)
elsif !(suse = get_config('/etc/SuSE-release')).nil?
version = suse.scan(/VERSION = (\d+)\nPATCHLEVEL = (\d+)/).flatten.join('.')
version = suse[/VERSION = ([\d\.]{2,})/, 1] if version == ''
@platform[:release] = version
@platform[:name] = if suse =~ /^openSUSE/
'opensuse'
else
'suse'
end
elsif !(raw = get_config('/etc/arch-release')).nil?
@platform[:name] = 'arch'
@platform[:release] = uname_r
elsif !(raw = get_config('/etc/slackware-version')).nil?
@platform[:name] = 'slackware'
@platform[:release] = raw.scan(/(\d+|\.+)/).join
elsif !(raw = get_config('/etc/exherbo-release')).nil?
@platform[:name] = 'exherbo'
@platform[:release] = uname_r
elsif !(raw = get_config('/etc/gentoo-release')).nil?
@platform[:name] = 'gentoo'
@platform[:release] = raw.scan(/(\d+|\.+)/).join
elsif !(raw = get_config('/etc/alpine-release')).nil?
@platform[:name] = 'alpine'
@platform[:release] = raw.strip
elsif !(raw = get_config('/etc/coreos/update.conf')).nil?
@platform[:name] = 'coreos'
meta = lsb_config(raw)
@platform[:release] = meta[:release]
elsif !(os_info = fetch_os_release).nil?
if os_info['ID_LIKE'] =~ /wrlinux/
@platform[:name] = 'wrlinux'
@platform[:release] = os_info['VERSION']
end
end
@platform[:family] = family_for_platform
!@platform[:family].nil? && !@platform[:release].nil?
end
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# File 'lib/train/extras/os_detect_linux.rb', line 104
def family_for_platform
if DEBIAN_FAMILY.include?(@platform[:name])
'debian'
elsif REDHAT_FAMILY.include?(@platform[:name])
'redhat'
elsif SUSE_FAMILY.include?(@platform[:name])
'suse'
else
@platform[:name] || @platform[:family]
end
end
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#fetch_os_release ⇒ Object
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# File 'lib/train/extras/os_detect_linux.rb', line 142
def fetch_os_release
data = get_config('/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(get_config(cisco_info_file)))
end
os_info
end
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#parse_os_release_info(raw) ⇒ Object
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# File 'lib/train/extras/os_detect_linux.rb', line 155
def parse_os_release_info(raw)
return {} if raw.nil?
raw.lines.each_with_object({}) do |line, memo|
line.strip!
key, value = line.split('=', 2)
memo[key] = value.gsub(/\A"|"\Z/, '') unless value.empty?
end
end
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# File 'lib/train/extras/os_detect_linux.rb', line 116
def redhatish_platform(conf)
conf[/^red hat/i] ? 'redhat' : conf[/(\w+)/i, 1].downcase
end
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#redhatish_version(conf) ⇒ Object
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# File 'lib/train/extras/os_detect_linux.rb', line 120
def redhatish_version(conf)
return conf[/((\d+) \(Rawhide\))/i, 1].downcase if conf[/rawhide/i]
return conf[/Linux ((\d+|\.)+)/i, 1] if conf[/derived from .*linux/i]
conf[/release ([\d\.]+)/, 1]
end
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