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path: root/lib/facter/operatingsystemrelease.rb
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# Fact: operatingsystemrelease
#
# Purpose: Returns the release of the operating system.
#
# Resolution:
#   On RedHat derivatives, returns their '/etc/<variant>-release' file.
#   On Debian, returns '/etc/debian_version'.
#   On Ubuntu, parses '/etc/issue' for the release version.
#   On Suse, derivatives, parses '/etc/SuSE-release' for a selection of version
#   information.
#   On Slackware, parses '/etc/slackware-version'.
#   
#   On all remaining systems, returns the 'kernelrelease' value.
#
# Caveats:
#

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{CentOS Fedora oel ovs RedHat MeeGo}
    setcode do
        case Facter.value(:operatingsystem)
        when "CentOS", "RedHat"
            releasefile = "/etc/redhat-release"
        when "Fedora"
            releasefile = "/etc/fedora-release"
        when "MeeGo"
            releasefile = "/etc/meego-release"
        when "OEL", "oel"
            releasefile = "/etc/enterprise-release"
        when "OVS", "ovs"
            releasefile = "/etc/ovs-release"
        end
        File::open(releasefile, "r") do |f|
            line = f.readline.chomp
            if line =~ /\(Rawhide\)$/
                "Rawhide"
            elsif line =~ /release (\d[\d.]*)/
                $1
            end
        end
    end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{Debian}
    setcode do
        release = Facter::Util::Resolution.exec('cat /etc/debian_version')
    end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{Ubuntu}
    setcode do
        release = Facter::Util::Resolution.exec('cat /etc/issue')
        if release =~ /Ubuntu (\d+.\d+)/
            $1
        end
    end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{SLES SLED OpenSuSE}
    setcode do
        releasefile = Facter::Util::Resolution.exec('cat /etc/SuSE-release')
        if releasefile =~ /^VERSION\s*=\s*(\d+)/
            releasemajor = $1
            if releasefile =~ /^PATCHLEVEL\s*=\s*(\d+)/
                releaseminor = $1
            elsif releasefile =~ /^VERSION\s=.*.(\d+)/
                releaseminor = $1
            else
                releaseminor = "0"
            end
            releasemajor + "." + releaseminor
        else
            "unknown"
        end
    end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{Slackware}
    setcode do
        release = Facter::Util::Resolution.exec('cat /etc/slackware-version')
        if release =~ /Slackware ([0-9.]+)/
            $1
        end
    end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{Bluewhite64}
    setcode do
        releasefile = Facter::Util::Resolution.exec('cat /etc/bluewhite64-version')
        if releasefile =~ /^\s*\w+\s+(\d+)\.(\d+)/
            $1 + "." + $2
        else
            "unknown"
        end
    end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{VMwareESX}
    setcode do
        release = Facter::Util::Resolution.exec('vmware -v')
        if release =~ /VMware ESX .*?(\d.*)/
            $1
        end
    end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{Slamd64}
    setcode do
        releasefile = Facter::Util::Resolution.exec('cat /etc/slamd64-version')
        if releasefile =~ /^\s*\w+\s+(\d+)\.(\d+)/
            $1 + "." + $2
        else
            "unknown"
        end
    end
end

Facter.add(:operatingsystemrelease) do
    setcode do Facter[:kernelrelease].value end
end