Class: Tpkg::OS::RedHat

Inherits:
Tpkg::OS show all
Defined in:
lib/tpkg/os/redhat.rb

Overview

tpkg package management system License: MIT (www.opensource.org/licenses/mit-license.php)

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Tpkg::OS

#arch, create, #fqdn, #native_pkg_to_install_string, #os, #os_name, register_implementation, #sudo_default?, #sys_v_init_links

Constructor Details

#initialize(options = {}) ⇒ RedHat

Returns a new instance of RedHat.



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# File 'lib/tpkg/os/redhat.rb', line 11

def initialize(options={})
  @yumcmd = options[:yumcmd] || options[:testcmd] || 'yum'
  @rpmcmd = options[:rpmcmd] || options[:testcmd] || 'rpm'
  @rpmbuildcmd = options[:rpmbuildcmd] || options[:testcmd] || 'rpmbuild'
  # This is primarily used by the unit tests
  @quiet = options[:quiet]
  super
end

Class Method Details

.supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tpkg/os/redhat.rb', line 5

def self.supported?
  Facter.loadfacts
  ['RedHat', 'CentOS', 'Fedora'].include?(Facter['operatingsystem'].value)
end

Instance Method Details

#available_native_packages(pkgname) ⇒ Object 



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# File 'lib/tpkg/os/redhat.rb', line 26

def available_native_packages(pkgname)
  native_packages = []
  [ {:arg => 'installed', :header => 'Installed', :source => :native_installed},
    {:arg => 'available', :header => 'Available', :source => :native_available} ].each do |yum|
    cmd = "#{@yumcmd} info #{yum[:arg]} #{pkgname}"
    puts "available_native_packages running '#{cmd}'" if @debug
    stderr_first_line = nil
    Open3.popen3(cmd) do |stdin, stdout, stderr|
      stdin.close
      read_packages = false
      name = version = package_version = nil
      stdout.each_line do |line|
        if line =~ /#{yum[:header]} Packages/
          # Skip the header lines until we get to this line
          read_packages = true
        elsif read_packages
          if line =~ /^Name\s*:\s*(.+)/
            name = $1.strip
          elsif line =~ /^Arch\s*:\s*(.+)/
            arch = $1.strip
          elsif line =~ /^Version\s*:\s*(.+)/
            version = $1.strip.to_s
          elsif line =~ /^Release\s*:\s*(.+)/
            package_version = $1.strip.to_s
          elsif line =~ /^Repo\s*:\s*(.+)/
            repo = $1.strip
          elsif line =~ /^\s*$/
            pkg = Tpkg.pkg_for_native_package(name, version, package_version, yum[:source])
            native_packages << pkg
            name = version = package_version = nil
          end
          # In the end we ignore the architecture.  Anything that
          # shows up in yum should be installable on this box, and
          # the chance of a mismatch between facter's idea of the
          # architecture and RPM's idea is high.  I.e. i386 vs i686
          # or i32e vs x86_64 or whatever.
        end
      end
      stderr_first_line = stderr.gets
    end
    # FIXME: popen3 doesn't set $?
    if !$?.success?
      # Ignore 'no matching packages', raise anything else
      if stderr_first_line != "Error: No matching Packages to list\n"
        raise "available_native_packages error running yum"
      end
    end
  end
  native_packages
end

#cron_dot_d_directory ⇒ Object 



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# File 'lib/tpkg/os/redhat.rb', line 23

def cron_dot_d_directory
  '/etc/cron.d'
end

#init_links(installed_path, tpkgfile) ⇒ Object 



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# File 'lib/tpkg/os/redhat.rb', line 20

def init_links(installed_path, tpkgfile)
  sys_v_init_links(installed_path, tpkgfile, ['2', '3', '4', '5'], '/etc/rc.d')
end

#install_native_package(pkg) ⇒ Object 



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# File 'lib/tpkg/os/redhat.rb', line 76

def install_native_package(pkg)
  pkgname = native_pkg_to_install_string(pkg)
  cmd = "#{@yumcmd} -y install #{pkgname}"
  puts "Running '#{cmd}' to install native package" if @debug
  system(cmd)
end

#os_version ⇒ Object 



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# File 'lib/tpkg/os/redhat.rb', line 116

def os_version
  if !@os_version
    if Facter['lsbmajdistrelease'] &&
       Facter['lsbmajdistrelease'].value &&
       !Facter['lsbmajdistrelease'].value.empty?
      @os_version = Facter['lsbmajdistrelease'].value
    end
  end
  super
end

#remove_native_stub_pkg(pkg) ⇒ Object 



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# File 'lib/tpkg/os/redhat.rb', line 102

def remove_native_stub_pkg(pkg)
  native_deps = pkg[:metadata].get_native_deps
  return if native_deps.empty?
  
  stub_pkg_name = "stub_for_#{pkg[:metadata][:name]}"
  cmd = "#{@yumcmd} -y remove #{stub_pkg_name}"
  puts "Running '#{cmd} to remove native dependency stub" if @debug
  puts cmd if @debug
  system(cmd)
  if !$?.success?
    warn "Warning: Failed to remove native stub package for #{pkg[:metadata][:name]}" unless @quiet
  end
end

#stub_native_pkg(pkg) ⇒ Object 



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# File 'lib/tpkg/os/redhat.rb', line 88

def stub_native_pkg(pkg)
  native_deps = pkg[:metadata].get_native_deps
  return if native_deps.empty?
  
  rpm = create_rpm("stub_for_#{pkg[:metadata][:name]}", native_deps)
  return if rpm.nil?
  
  cmd = "#{@rpmcmd} -i #{rpm}"
  puts "Running '#{cmd} to install native dependency stub" if @debug
  system(cmd)
  if !$?.success?
    warn "Warning: Failed to install native stub package for #{pkg[:metadata][:name]}" unless @quiet
  end
end

#upgrade_native_package(pkg) ⇒ Object 



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# File 'lib/tpkg/os/redhat.rb', line 82

def upgrade_native_package(pkg)
  pkgname = native_pkg_to_install_string(pkg)
  cmd = "#{@yumcmd} -y install #{pkgname}"
  puts "Running '#{cmd}' to upgrade native package" if @debug
  system(cmd)
end