Class | BoxGrinder::LinuxHelper |
In: |
lib/boxgrinder-build/helpers/linux-helper.rb
lib/boxgrinder-build/helpers/linux-helper.rb |
Parent: | Object |
# File lib/boxgrinder-build/helpers/linux-helper.rb, line 23 23: def initialize(options = {}) 24: @log = options[:log] || LogHelper.new 25: end
# File lib/boxgrinder-build/helpers/linux-helper.rb, line 23 23: def initialize(options = {}) 24: @log = options[:log] || LogHelper.new 25: end
# File lib/boxgrinder-build/helpers/linux-helper.rb, line 63 63: def kernel_image_name(guestfs) 64: guestfs.sh("ls -1 /boot | grep initramfs | wc -l").chomp.strip.to_i > 0 ? "initramfs" : "initrd" 65: end
# File lib/boxgrinder-build/helpers/linux-helper.rb, line 63 63: def kernel_image_name(guestfs) 64: guestfs.sh("ls -1 /boot | grep initramfs | wc -l").chomp.strip.to_i > 0 ? "initramfs" : "initrd" 65: end
# File lib/boxgrinder-build/helpers/linux-helper.rb, line 47 47: def kernel_version(guestfs) 48: kernel_versions = guestfs.ls("/lib/modules") 49: version = kernel_versions.last 50: 51: if kernel_versions.size > 1 52: kernel_versions.each do |v| 53: if v.match(/PAE$/) 54: version = v 55: break 56: end 57: end 58: end 59: 60: version 61: end
# File lib/boxgrinder-build/helpers/linux-helper.rb, line 47 47: def kernel_version(guestfs) 48: kernel_versions = guestfs.ls("/lib/modules") 49: version = kernel_versions.last 50: 51: if kernel_versions.size > 1 52: kernel_versions.each do |v| 53: if v.match(/PAE$/) 54: version = v 55: break 56: end 57: end 58: end 59: 60: version 61: end
Returns valid array of sorted mount points
# File lib/boxgrinder-build/helpers/linux-helper.rb, line 32 32: def partition_mount_points(partitions) 33: partitions.keys.sort do |a, b| 34: if a.count('/') > b.count('/') 35: v = 1 36: else 37: if a.count('/') < b.count('/') 38: v = -1 39: else 40: v = a.length <=> b.length 41: end 42: end 43: v 44: end 45: end
Returns valid array of sorted mount points
# File lib/boxgrinder-build/helpers/linux-helper.rb, line 32 32: def partition_mount_points(partitions) 33: partitions.keys.sort do |a, b| 34: if a.count('/') > b.count('/') 35: v = 1 36: else 37: if a.count('/') < b.count('/') 38: v = -1 39: else 40: v = a.length <=> b.length 41: end 42: end 43: v 44: end 45: end
# File lib/boxgrinder-build/helpers/linux-helper.rb, line 67 67: def recreate_kernel_image(guestfs, modules = []) 68: kernel_version = kernel_version(guestfs) 69: kernel_image_name = kernel_image_name(guestfs) 70: 71: if guestfs.exists("/sbin/dracut") != 0 72: command = "/sbin/dracut -f -v --add-drivers #{modules.join(' ')}" 73: else 74: drivers_argument = "" 75: modules.each { |mod| drivers_argument << " --preload=#{mod}" } 76: 77: command = "/sbin/mkinitrd -f -v#{drivers_argument}" 78: end 79: 80: @log.trace "Additional modules to preload in kernel: #{modules.join(', ')}" 81: 82: @log.debug "Recreating kernel image for #{kernel_version} kernel..." 83: guestfs.sh("#{command} /boot/#{kernel_image_name}-#{kernel_version}.img #{kernel_version}") 84: @log.debug "Kernel image recreated." 85: end
# File lib/boxgrinder-build/helpers/linux-helper.rb, line 67 67: def recreate_kernel_image(guestfs, modules = []) 68: kernel_version = kernel_version(guestfs) 69: kernel_image_name = kernel_image_name(guestfs) 70: 71: if guestfs.exists("/sbin/dracut") != 0 72: command = "/sbin/dracut -f -v --add-drivers #{modules.join(' ')}" 73: else 74: drivers_argument = "" 75: modules.each { |mod| drivers_argument << " --preload=#{mod}" } 76: 77: command = "/sbin/mkinitrd -f -v#{drivers_argument}" 78: end 79: 80: @log.trace "Additional modules to preload in kernel: #{modules.join(', ')}" 81: 82: @log.debug "Recreating kernel image for #{kernel_version} kernel..." 83: guestfs.sh("#{command} /boot/#{kernel_image_name}-#{kernel_version}.img #{kernel_version}") 84: @log.debug "Kernel image recreated." 85: end