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https://github.com/inspec/inspec
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116 lines
4.2 KiB
Ruby
116 lines
4.2 KiB
Ruby
# encoding: utf-8
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#
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# This is heavily based on:
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#
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# OHAI https://github.com/chef/ohai
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# by Adam Jacob, Chef Software Inc
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#
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require 'vulcano/plugins/backend_linux_lsb'
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class Vulcano::Plugins::Backend
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module DetectLinux
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include LinuxLSB
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def detect_linux_via_config # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength, Metrics/PerceivedComplexity
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if !(raw = get_config('oracle-release')).nil?
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@platform[:family] = 'oracle'
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@platform[:release] = redhatish_version(raw)
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elsif !(raw = get_config('/etc/enterprise-release')).nil?
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@platform[:family] = 'oracle'
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@platform[:release] = redhatish_version(raw)
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elsif !(_raw = get_config('/etc/debian_version')).nil?
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case lsb[:id]
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when /ubuntu/i
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@platform[:family] = 'ubuntu'
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@platform[:release] = lsb[:release]
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when /linuxmint/i
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@platform[:family] = 'linuxmint'
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@platform[:release] = lsb[:release]
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else
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@platform[:family] = 'debian'
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@platform[:family] = 'raspbian' if unix_file?('/usr/bin/raspi-config')
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if !(rel = get_config('/etc/debian_version')).nil?
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@platform[:release] = rel.chomp
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end
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end
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elsif !(raw = get_config('/etc/parallels-release')).nil?
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@platform[:family] = redhatish_platform(raw)
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@platform[:release] = raw[/(\d\.\d\.\d)/, 1]
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elsif !(raw = get_config('/etc/redhat-release')).nil?
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# TODO: Cisco
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@platform[:family] = redhatish_platform(raw)
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@platform[:release] = redhatish_version(raw)
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elsif !(raw = get_config('/etc/system-release')).nil?
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# Amazon Linux
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@platform[:family] = redhatish_platform(raw)
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@platform[:release] = redhatish_version(raw)
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elsif !(suse = get_config('/etc/SuSE-release')).nil?
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version = suse.scan(/VERSION = (\d+)\nPATCHLEVEL = (\d+)/).flatten.join('.')
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version = suse[/VERSION = ([\d\.]{2,})/, 1] if version == ''
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@platform[:release] = version
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@platform[:family] = 'suse'
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@platform[:family] = 'opensuse' if suse =~ /^openSUSE/
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elsif !(raw = get_config('/etc/arch-release')).nil?
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@platform[:family] = 'arch'
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# Because this is a rolling release distribution,
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# use the kernel release, ex. 4.1.6-1-ARCH
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@platform[:release] = uname_r
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elsif !(raw = get_config('/etc/slackware-version')).nil?
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@platform[:family] = 'slackware'
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@platform[:release] = raw.scan(/(\d+|\.+)/).join
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elsif !(raw = get_config('/etc/exherbo-release')).nil?
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@platform[:family] = 'exherbo'
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# Because this is a rolling release distribution,
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# use the kernel release, ex. 4.1.6
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@platform[:release] = uname_r
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elsif !(raw = get_config('/etc/gentoo-release')).nil?
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@platform[:family] = 'gentoo'
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@platform[:release] = raw.scan(/(\d+|\.+)/).join
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elsif !(raw = get_config('/etc/alpine-release')).nil?
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@platform[:family] = 'alpine'
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@platform[:release] = raw.strip
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elsif !(raw = get_config('/etc/coreos/update.conf')).nil?
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@platform[:family] = 'coreos'
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meta = lsb_config(raw)
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@platform[:release] = meta[:release]
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else
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# in all other cases we didn't detect it
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return false
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end
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# when we get here the detection returned a result
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true
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end
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def uname_s
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@uname_s ||= @backend.run_command('uname -s').stdout
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end
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def uname_r
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@uname_r ||= (
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res = @backend.run_command('uname -r').stdout
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res.strip! unless res.nil?
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res
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)
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end
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def redhatish_platform(conf)
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conf[/^red hat/i] ? 'redhat' : conf[/(\w+)/i, 1].downcase
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end
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def redhatish_version(conf)
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conf[/rawhide/i] ? conf[/((\d+) \(Rawhide\))/i, 1].downcase : conf[/release ([\d\.]+)/, 1]
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end
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def detect_linux
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# TODO: print an error in this step of the detection
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return false if uname_s.nil? || uname_s.empty?
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return false if uname_r.nil? || uname_r.empty?
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return true if detect_linux_via_config
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return true if detect_linux_via_lsb
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# in all other cases we failed the detection
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@platform[:family] = 'unknown'
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end
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end
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end
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