def _perform_cleaning(mounted_path, rm_files=None,
remove_line_files=None, overwrite_list=None,
replace_line_files=None, multiline_delete_files=None,
dry_run=False):
"""
Runs the commands to perform all cleaning operations.
For more information see the specific function
"""
apt_uninstall(mounted_path, ['avahi-daemon'])
remove_files(rm_files, mounted_path, dry_run)
overwrite_files(overwrite_list, mounted_path, dry_run)
remove_line_in_files(remove_line_files, mounted_path, dry_run)
replace_line_in_files(replace_line_files, mounted_path, dry_run)
remove_multiline_in_files(multiline_delete_files, mounted_path, dry_run)
def debian_mount(self, image_path, mounted_path):
"""
Convert the disk image at <image_path>, mounted at <mounted_path>,
from XEN to KVM
"""
#This list will add a single line to an already-existing file
append_line_file_list = [
#("line to add", "file_to_append")
("exec /sbin/getty -L 38400 ttyS0 vt102", "etc/init/getty.conf"),
("exec /sbin/getty -L 38400 ttyS1 vt102", "etc/init/getty.conf"),
]
#If etc/init/getty.conf doesn't exist, use this template to create it
kvm_getty_script = """# getty - ttyS*
# This service maintains a getty on ttyS0/S1
# from the point the system is started until
# it is shut down again.
start on stopped rc RUNLEVEL=[2345]
stop on runlevel [!2345]
respawn
exec /sbin/getty -L 38400 ttyS0 vt102
exec /sbin/getty -L 38400 ttyS1 vt102
"""
#This list removes lines matching the pattern from an existing file
remove_line_file_list = [
#("pattern_match", "file_to_test")
("atmo_boot", "etc/rc.local"),
# Save /dev/sda1, /dev/vda, /dev/xvda
# Delete all other partitions in etc/fstab
("sda[2-9]", "etc/fstab"),
("sda1[0-9]", "etc/fstab"),
("vd[b-z]", "etc/fstab"),
]
# This list contains all files that should be deleted
remove_file_list = ['etc/init/hvc0.conf']
remove_line_in_files(remove_line_file_list, mounted_path)
remove_files(remove_file_list, mounted_path)
if not create_file("etc/init/getty.conf", mounted_path,
kvm_getty_script):
#Didn't need to create the file, but we still need to append our
# new lines
append_line_in_files(append_line_file_list, mounted_path)
return
def debian_mount(self, image_path, mounted_path):
"""
Convert the disk image at <image_path>, mounted at <mounted_path>,
from XEN to KVM
"""
#This list will add a single line to an already-existing file
append_line_file_list = [
#("line to add", "file_to_append")
("exec /sbin/getty -L 38400 ttyS0 vt102", "etc/init/getty.conf"),
("exec /sbin/getty -L 38400 ttyS1 vt102", "etc/init/getty.conf"),
]
#If etc/init/getty.conf doesn't exist, use this template to create it
kvm_getty_script = """# getty - ttyS*
# This service maintains a getty on ttyS0/S1
# from the point the system is started until
# it is shut down again.
start on stopped rc RUNLEVEL=[2345]
stop on runlevel [!2345]
respawn
exec /sbin/getty -L 38400 ttyS0 vt102
exec /sbin/getty -L 38400 ttyS1 vt102
"""
#This list removes lines matching the pattern from an existing file
remove_line_file_list = [
#("pattern_match", "file_to_test")
("atmo_boot", "etc/rc.local"),
# Save /dev/sda1, /dev/vda, /dev/xvda
# Delete all other partitions in etc/fstab
("sda[2-9]", "etc/fstab"),
("sda1[0-9]", "etc/fstab"),
("vd[b-z]", "etc/fstab"),
]
# This list contains all files that should be deleted
remove_file_list = [
'etc/init/hvc0.conf']
remove_line_in_files(remove_line_file_list, mounted_path)
remove_files(remove_file_list, mounted_path)
if not create_file("etc/init/getty.conf", mounted_path, kvm_getty_script):
#Didn't need to create the file, but we still need to append our
# new lines
append_line_in_files(append_line_file_list, mounted_path)
return
def rhel_mount(cls, image_path, mounted_path):
"""
Migrate RHEL systems from XEN to KVM
Returns: ("/path/to/img", "/path/to/kvm_kernel", "/path/to/kvm_ramdisk")
"""
#This list will append a single line to an already-existing file
append_line_file_list = [
#("line to add", "file_to_append")
("S0:2345:respawn:/sbin/agetty ttyS0 115200", "etc/inittab"),
("S1:2345:respawn:/sbin/agetty ttyS1 115200", "etc/inittab"),
]
#TODO: This etc/fstab line may need some more customization
#This list will prepend a single line to an already-existing file
prepend_line_list = [
#("line to prepend", "file_to_prepend")
("LABEL=root\t\t/\t\t\text3\tdefaults,errors=remount-ro 0 0",
"etc/fstab"),
]
#This list removes lines matching the pattern from an existing file
remove_line_file_list = [ #("pattern_match", "file_to_test")
("alias scsi", "etc/modprobe.conf"), ("atmo_boot", "etc/rc.local")
]
# This list replaces lines matching a pattern from an existing file
replace_line_file_list = [ #(pattern_match, pattern_replace, file_to_match)
("^\/dev\/sda", "\#\/dev\/sda", "etc/fstab"),
("^xvc0", "\#xvc0", "etc/inittab"),
("xenblk", "ata_piix", "etc/modprobe.conf"),
("xennet", "8139cp", "etc/modprobe.conf")
]
#This list removes ALL lines between <pattern_1> and <pattern_2> from an
# existing file
multiline_delete_files = [
#("delete_from","delete_to","file_to_match")
("depmod -a", "\/usr\/bin\/ruby \/usr\/sbin\/atmo_boot",
"etc/rc.local"),
("depmod -a", "\/usr\/bin\/ruby \/usr\/sbin\/atmo_boot",
"etc/rc.d/rc.local")
]
append_line_in_files(append_line_file_list, mounted_path)
prepend_line_in_files(prepend_line_list, mounted_path)
remove_line_in_files(remove_line_file_list, mounted_path)
replace_line_in_files(replace_line_file_list, mounted_path)
remove_multiline_in_files(multiline_delete_files, mounted_path)
def rhel_mount(cls, image_path, mounted_path):
"""
Migrate RHEL systems from XEN to KVM
Returns: ("/path/to/img", "/path/to/kvm_kernel", "/path/to/kvm_ramdisk")
"""
#This list will append a single line to an already-existing file
append_line_file_list = [
#("line to add", "file_to_append")
("S0:2345:respawn:/sbin/agetty ttyS0 115200", "etc/inittab"),
("S1:2345:respawn:/sbin/agetty ttyS1 115200", "etc/inittab"),
]
#TODO: This etc/fstab line may need some more customization
#This list will prepend a single line to an already-existing file
prepend_line_list = [
#("line to prepend", "file_to_prepend")
("LABEL=root\t\t/\t\t\text3\tdefaults,errors=remount-ro 0 0",
"etc/fstab"),
]
#This list removes lines matching the pattern from an existing file
remove_line_file_list = [#("pattern_match", "file_to_test")
("alias scsi", "etc/modprobe.conf"),
("atmo_boot", "etc/rc.local")]
# This list replaces lines matching a pattern from an existing file
replace_line_file_list = [#(pattern_match, pattern_replace, file_to_match)
("^\/dev\/sda", "\#\/dev\/sda", "etc/fstab"),
("^xvc0", "\#xvc0", "etc/inittab"),
("xenblk", "ata_piix", "etc/modprobe.conf"),
("xennet", "8139cp", "etc/modprobe.conf")]
#This list removes ALL lines between <pattern_1> and <pattern_2> from an
# existing file
multiline_delete_files = [
#("delete_from","delete_to","file_to_match")
("depmod -a","\/usr\/bin\/ruby \/usr\/sbin\/atmo_boot", "etc/rc.local"),
("depmod -a","\/usr\/bin\/ruby \/usr\/sbin\/atmo_boot", "etc/rc.d/rc.local")
]
append_line_in_files(append_line_file_list, mounted_path)
prepend_line_in_files(prepend_line_list, mounted_path)
remove_line_in_files(remove_line_file_list, mounted_path)
replace_line_in_files(replace_line_file_list, mounted_path)
remove_multiline_in_files(multiline_delete_files, mounted_path)
def _perform_cleaning(mounted_path,
rm_files=None,
remove_line_files=None,
overwrite_list=None,
replace_line_files=None,
multiline_delete_files=None,
append_line_files=None,
execute_lines=None,
dry_run=False):
"""
Runs the commands to perform all cleaning operations.
For more information see the specific function
"""
remove_files(rm_files, mounted_path, dry_run)
overwrite_files(overwrite_list, mounted_path, dry_run)
remove_line_in_files(remove_line_files, mounted_path, dry_run)
replace_line_in_files(replace_line_files, mounted_path, dry_run)
remove_multiline_in_files(multiline_delete_files, mounted_path, dry_run)
append_line_in_files(append_line_files, mounted_path, dry_run)
execute_chroot_commands(execute_lines, mounted_path, dry_run)