# File lib/boxgrinder-build/helpers/linux-helper.rb, line 56
56:     def initialize(options = {})
57:       @log = options[:log] || LogHelper.new
58:     end

    # File lib/boxgrinder-build/helpers/linux-helper.rb, line 56
56:     def initialize(options = {})
57:       @log = options[:log] || LogHelper.new
58:     end

     # File lib/boxgrinder-build/helpers/linux-helper.rb, line 113
113:     def kernel_image_name(guestfs)
114:       guestfs.sh("ls -1 /boot | grep initramfs | wc -l").chomp.strip.to_i > 0 ? "initramfs" : "initrd"
115:     end

     # File lib/boxgrinder-build/helpers/linux-helper.rb, line 113
113:     def kernel_image_name(guestfs)
114:       guestfs.sh("ls -1 /boot | grep initramfs | wc -l").chomp.strip.to_i > 0 ? "initramfs" : "initrd"
115:     end

     # File lib/boxgrinder-build/helpers/linux-helper.rb, line 94
 94:     def kernel_version(guestfs)
 95:       kernel_versions = guestfs.ls("/lib/modules")
 96: 
 97:       # By default use the latest available kernel...
 98:       version = RPMVersion.new.newest(kernel_versions)
 99: 
100:       # ...but prefer xen or PAE kernel over others
101:       if kernel_versions.size > 1
102:         kernel_versions.each do |v|
103:           if v.match(/xen$/) or v.match(/PAE$/)
104:             version = v
105:             break
106:           end
107:         end
108:       end
109: 
110:       version
111:     end

     # File lib/boxgrinder-build/helpers/linux-helper.rb, line 94
 94:     def kernel_version(guestfs)
 95:       kernel_versions = guestfs.ls("/lib/modules")
 96: 
 97:       # By default use the latest available kernel...
 98:       version = RPMVersion.new.newest(kernel_versions)
 99: 
100:       # ...but prefer xen or PAE kernel over others
101:       if kernel_versions.size > 1
102:         kernel_versions.each do |v|
103:           if v.match(/xen$/) or v.match(/PAE$/)
104:             version = v
105:             break
106:           end
107:         end
108:       end
109: 
110:       version
111:     end

    # File lib/boxgrinder-build/helpers/linux-helper.rb, line 67
67:     def partition_mount_points(partitions)
68:       partitions.keys.sort do |a, b|
69:         a_count = a.count('/')
70:         b_count = b.count('/')
71: 
72:         if a_count > b_count
73:           v = 1
74:         else
75:           if a_count < b_count
76:             v = -1
77:           else
78:             if a.length == b.length
79:               v = a <=> b
80:             else
81:               v = a.length <=> b.length
82:             end
83:           end
84:         end
85: 
86:         # This forces having swap partition at the end of the disk
87:         v = 1 if a_count == 0
88:         v = -1 if b_count == 0
89: 
90:         v
91:       end
92:     end

    # File lib/boxgrinder-build/helpers/linux-helper.rb, line 67
67:     def partition_mount_points(partitions)
68:       partitions.keys.sort do |a, b|
69:         a_count = a.count('/')
70:         b_count = b.count('/')
71: 
72:         if a_count > b_count
73:           v = 1
74:         else
75:           if a_count < b_count
76:             v = -1
77:           else
78:             if a.length == b.length
79:               v = a <=> b
80:             else
81:               v = a.length <=> b.length
82:             end
83:           end
84:         end
85: 
86:         # This forces having swap partition at the end of the disk
87:         v = 1 if a_count == 0
88:         v = -1 if b_count == 0
89: 
90:         v
91:       end
92:     end

     # File lib/boxgrinder-build/helpers/linux-helper.rb, line 117
117:     def recreate_kernel_image(guestfs, modules = [])
118:       kernel_version = kernel_version(guestfs)
119: 
120:       raise "Cannot find valid kernel installs in the appliance. Make sure you have your kernel installed in '/lib/modules'." if kernel_version.nil?
121: 
122:       kernel_image_name = kernel_image_name(guestfs)
123: 
124:       if guestfs.exists("/sbin/dracut") != 0
125:         command = "/sbin/dracut -f -v --add-drivers #{modules.join(' ')}"
126:       else
127:         drivers_argument = ""
128:         modules.each { |mod| drivers_argument << " --preload=#{mod}" }
129: 
130:         command = "/sbin/mkinitrd -f -v#{drivers_argument}"
131:       end
132: 
133:       @log.trace "Additional modules to preload in kernel: #{modules.join(', ')}"
134: 
135:       @log.debug "Recreating kernel image for #{kernel_version} kernel..."
136:       guestfs.sh("#{command} /boot/#{kernel_image_name}-#{kernel_version}.img #{kernel_version}")
137:       @log.debug "Kernel image recreated."
138:     end

     # File lib/boxgrinder-build/helpers/linux-helper.rb, line 117
117:     def recreate_kernel_image(guestfs, modules = [])
118:       kernel_version = kernel_version(guestfs)
119: 
120:       raise "Cannot find valid kernel installs in the appliance. Make sure you have your kernel installed in '/lib/modules'." if kernel_version.nil?
121: 
122:       kernel_image_name = kernel_image_name(guestfs)
123: 
124:       if guestfs.exists("/sbin/dracut") != 0
125:         command = "/sbin/dracut -f -v --add-drivers #{modules.join(' ')}"
126:       else
127:         drivers_argument = ""
128:         modules.each { |mod| drivers_argument << " --preload=#{mod}" }
129: 
130:         command = "/sbin/mkinitrd -f -v#{drivers_argument}"
131:       end
132: 
133:       @log.trace "Additional modules to preload in kernel: #{modules.join(', ')}"
134: 
135:       @log.debug "Recreating kernel image for #{kernel_version} kernel..."
136:       guestfs.sh("#{command} /boot/#{kernel_image_name}-#{kernel_version}.img #{kernel_version}")
137:       @log.debug "Kernel image recreated."
138:     end