Class BoxGrinder::LinuxHelper
In: lib/boxgrinder-build/helpers/linux-helper.rb
lib/boxgrinder-build/helpers/linux-helper.rb
Parent: Object

Methods

Public Class methods

[Source]

    # File lib/boxgrinder-build/helpers/linux-helper.rb, line 23
23:     def initialize( options = {} )
24:       @log = options[:log] || LogHelper.new
25:     end

[Source]

    # File lib/boxgrinder-build/helpers/linux-helper.rb, line 23
23:     def initialize( options = {} )
24:       @log = options[:log] || LogHelper.new
25:     end

Public Instance methods

[Source]

    # File lib/boxgrinder-build/helpers/linux-helper.rb, line 43
43:     def kernel_image_name( guestfs )
44:       guestfs.sh("ls -1 /boot | grep initramfs | wc -l").chomp.strip.to_i > 0 ? "initramfs" : "initrd"
45:     end

[Source]

    # File lib/boxgrinder-build/helpers/linux-helper.rb, line 43
43:     def kernel_image_name( guestfs )
44:       guestfs.sh("ls -1 /boot | grep initramfs | wc -l").chomp.strip.to_i > 0 ? "initramfs" : "initrd"
45:     end

[Source]

    # File lib/boxgrinder-build/helpers/linux-helper.rb, line 27
27:     def kernel_version( guestfs )
28:       kernel_versions = guestfs.ls("/lib/modules")
29:       version         = kernel_versions.last
30: 
31:       if kernel_versions.size > 1
32:         kernel_versions.each do |v|
33:           if v.match(/PAE$/)
34:             version = v
35:             break
36:           end
37:         end
38:       end
39: 
40:       version
41:     end

[Source]

    # File lib/boxgrinder-build/helpers/linux-helper.rb, line 27
27:     def kernel_version( guestfs )
28:       kernel_versions = guestfs.ls("/lib/modules")
29:       version         = kernel_versions.last
30: 
31:       if kernel_versions.size > 1
32:         kernel_versions.each do |v|
33:           if v.match(/PAE$/)
34:             version = v
35:             break
36:           end
37:         end
38:       end
39: 
40:       version
41:     end

[Source]

    # File lib/boxgrinder-build/helpers/linux-helper.rb, line 47
47:     def recreate_kernel_image( guestfs, modules = [] )
48:       kernel_version      = kernel_version( guestfs )
49:       kernel_image_name   = kernel_image_name( guestfs )
50: 
51:       if guestfs.exists("/sbin/dracut") != 0
52:         command = "/sbin/dracut -f -v --add-drivers #{modules.join(' ')}"
53:       else
54:         drivers_argument = ""
55:         modules.each { |mod| drivers_argument  << " --preload=#{mod}" }
56: 
57:         command = "/sbin/mkinitrd -f -v#{drivers_argument}"
58:       end
59: 
60:       @log.trace "Additional modules to preload in kernel: #{modules.join(', ')}"
61: 
62:       @log.debug "Recreating kernel image for #{kernel_version} kernel..."
63:       guestfs.sh( "#{command} /boot/#{kernel_image_name}-#{kernel_version}.img #{kernel_version}" )
64:       @log.debug "Kernel image recreated."
65:     end

[Source]

    # File lib/boxgrinder-build/helpers/linux-helper.rb, line 47
47:     def recreate_kernel_image( guestfs, modules = [] )
48:       kernel_version      = kernel_version( guestfs )
49:       kernel_image_name   = kernel_image_name( guestfs )
50: 
51:       if guestfs.exists("/sbin/dracut") != 0
52:         command = "/sbin/dracut -f -v --add-drivers #{modules.join(' ')}"
53:       else
54:         drivers_argument = ""
55:         modules.each { |mod| drivers_argument  << " --preload=#{mod}" }
56: 
57:         command = "/sbin/mkinitrd -f -v#{drivers_argument}"
58:       end
59: 
60:       @log.trace "Additional modules to preload in kernel: #{modules.join(', ')}"
61: 
62:       @log.debug "Recreating kernel image for #{kernel_version} kernel..."
63:       guestfs.sh( "#{command} /boot/#{kernel_image_name}-#{kernel_version}.img #{kernel_version}" )
64:       @log.debug "Kernel image recreated."
65:     end

[Validate]