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plugin_bootloader.pyc
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� � �\c @ s� d d l m Z d d l Td d l Z d d l m Z d d l m Z d d l j Z d d l Z d d l Z d d l Z e j j � Z d e j f d � � YZ d S( i ( t base( t *i����N( t exceptions( t commandst BootloaderPluginc B s e Z d Z d � Z d � Z d � Z e d � � Z d � Z d � Z d � Z d � Z e d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z e d � d � � Z e d � d � � Z e d � d � � Z e d d e d d �d � � Z e d! d e d d �d" � � Z e d# d e d d �d$ � � Z d% � Z! RS(& s� Plugin for tuning bootloader options. Currently only grub2 is supported and reboot is required to apply the tunings. These tunings are unloaded only on profile change followed by reboot. c O sP t j j t j � s' t j d � � n t t | � j | | � t � | _ d S( Ns4 Required GRUB2 template not found, disabling plugin.( t ost patht isfilet constst GRUB2_TUNED_TEMPLATE_PATHR t NotSupportedPluginExceptiont superR t __init__R t _cmd( t selft argst kwargs( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyR s c C sR t | _ t | _ t | _ t | _ d | _ d | _ d | _ | j � | _ d S( Nt ( t Falset _has_dynamic_tuningt Truet _has_static_tuningt update_grub2_cfgt _initrd_remove_dirt Nonet _initrd_dst_img_valt _cmdline_valt _initrd_valt _get_grub2_cfg_filest _grub2_cfg_file_names( R t instance( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _instance_init s c C s d S( N( ( R R ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _instance_cleanup' s c C s. i d d 6d d 6d d 6d d 6d d 6d d 6S( Nt grub2_cfg_filet initrd_dst_imgt initrd_add_imgt initrd_add_dirt initrd_remove_dirt cmdline( R ( t cls( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _get_config_options* s c C s� | j � j � } g } xm | D]e } t | � j d � rJ | j | � q | | k rg | | | | <q t j d | | j j f � q W| j � d } x� | D]� } | | } | d k s� | d k r� q� n | d } | d j � } | d k r| d k r| d | 7} q� | d k rn| d k rnxQ | j � D]2 } t j | � } t j d | d d | � } q5Wq� | d | 7} q� W| j � } | d k r�| | d <n | S( sS Merge provided options with plugin default options and merge all cmdline.* options.R& s$ Unknown option '%s' for plugin '%s'.R i i t +t t -s (\A|\s)s (?=\Z|\s)N( R( t copyt strt startswitht appendt logt warnt __class__t __name__t sortR t stript splitt ret escapet sub( R t optionst effectivet cmdline_keyst keyR& t valt opt valst pt regex( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _get_effective_options5 s6 ! $ c C s@ g } x3 t j D]( } t j j | � r | j | � q q W| S( N( R t GRUB2_CFG_FILESR R t existsR/ ( R t cfg_filest f( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyR U s c C s | j j t j | � S( N( R t add_modify_option_in_fileR t BOOT_CMDLINE_FILE( R t d( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _patch_bootcmdline\ s c C s� | j s t j d � d S| j i d t j 6d t j 6� xF | j D]; } | j j | i d d t j 6d d t j 6d t �qE W| j d k r� t j d | j � | j j | j � n d S( Ns cannot find grub.cfg to patchR s set\s+t adds removing initrd image '%s'( R R0 t infoRK R t BOOT_CMDLINE_TUNED_VARt BOOT_CMDLINE_INITRD_ADD_VARR RH t GRUB2_TUNED_VARt GRUB2_TUNED_INITRD_VARR R R t unlink( R RG ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _remove_grub2_tuning_ s !9c C s? | r; t j d � | j � | j i d d 6d d 6� n d S( Ns/ removing grub2 tuning previously added by TunedR t tuned_paramst tuned_initrd( R0 RM RS t _update_grubenv( R R t full_rollback( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _instance_unapply_staticj s c C s� t j d � t j d t j d d | d t j �} t j d t j d | d t j �} t j d t j d d | d t j �} t j d t j d | d t j �} t j t j d d | d t j �} t j t j d d | d t j �S( Ns unpatching grub.cfgs ^\s*set\s+s \s*=.* R t flagss *\$s \ns \n+( R0 t debugR7 R9 R RP t MULTILINERQ t GRUB2_TEMPLATE_HEADER_BEGINt GRUB2_TEMPLATE_HEADER_END( R t grub2_cfgt cfg( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _grub2_cfg_unpatchp s )%)%%c C sI t j d � d t j d } xD | D]< } | d | j j | � d | j j | | � d 7} q% W| t j d 7} t j d | | d t j �} i t j d 6t j d 6} x� | D]� } t j d | d d | | | d t j �} t j d | d | | d d | d t j �} t j d | d d | d t j �} q� W| S( Ns initial patching of grub.cfgs \1\n\ns s set s ="s " s \ns+ ^(\s*###\s+END\s+[^#]+/00_header\s+### *)\nRY t linuxt initrds ^(\s*s (16|efi)?\s+.*)$s \1 $s (?:16|efi)?\s+\S+rescue.*)\$s *(.*)$s \1\2s (?:16|efi)?\s+\S+rescue.*) +$s \1( R0 RZ R R\ R R8 R] R7 R9 R[ RP RQ ( R R^ RJ t st optt d2t i( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _grub2_cfg_patch_initialy s : .2*c C s, | j j t j � } t | � d k r? t j d t j � t Si t j d 6t j d 6} t } x� | D]� } t j d | d | | d | d t j �d k rf t } | d d k r� | d 7} n | | d | d | d | | d 7} qf qf W| r(t j d t j � | j j t j | � n t S( Ni s cannot read '%s't GRUB_CMDLINE_LINUX_DEFAULTt GRUB_INITRD_OVERLAYs ^[^#]*\bs \s*=.*\\\$s \b.*$RY i����s s ="${s :+$s }\$s " s patching '%s'( R t read_fileR t GRUB2_DEFAULT_ENV_FILEt lenR0 RM R RP RQ R7 t searchR[ R R RZ t write_to_file( R t grub2_default_envRJ t writeRf ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _grub2_default_env_patch� s 5 1c C s� t j d � | j s' t j d � t Sxz| j D]o} | j j | � } t | � d k rp t j d | � t St j d | � | } t } x� | D]x } t j d | d d | | d | d t j �\ } } | d k st j d | | d t j �d k r� t } q� q� Wt t j d t j | d t j �� t t j d t j | d t j �� k rit } n | r�| j | j | � | � } n | j j | | � q1 W| j � t S( Ns patching grub.cfgs cannot find grub.cfg to patchi s cannot patch %ss+ adding boot command line parameters to '%s's \b(set\s+s \s*=).*$s \1s "RY i s \$s \1"( R0 RZ R RM R R Rj Rl R7 t subnR[ Rm R R t findallR RP RQ Rg R` Rn Rq ( R RJ RG R^ t grub2_cfg_newt patch_initialRd t nsubs( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _grub2_cfg_patch� s0 81 %+ c C sR | j i | j t j 6| j t j 6� | j i | j t j 6| j t j 6� d S( N( Rw R R RP R RQ RK RN RO ( R ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _grub2_update� s 'c C s t j j t j � S( N( R R RE R t BLS_ENTRIES_PATH( R ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _has_bls� s c C s� t j d t | � � g | j � D]( \ } } d t | � t | � f ^ q$ } | j j d d d g | � \ } } | d k r� t j d | � t St S( Ns updating grubenv, setting %ss %s=%ss grub2-editenvR+ t seti s cannot update grubenv: '%s'( R0 RZ R- t itemsR t executeR1 R R ( R RJ t optiont valuet lt rct out( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyRV � s ;% c C s� | j j � } | d k r t St j d t j � | j j t j d g d i | d 6�\ } } | d k r� t j d | � t St S( NR s4 running kernel update hook '%s' to patch BLS entriesRL t envt KERNEL_INSTALL_MACHINE_IDi s cannot patch BLS entries: '%s'( R t get_machine_idR R0 RZ R t KERNEL_UPDATE_HOOK_FILER} R1 R ( R t machine_idR� R� ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _bls_entries_patch_initial� s . c C sP t j d � | j � rL | j i | j d 6| j d 6� rL | j � rL t St S( Ns updating BLSRT RU ( R0 RZ Rz RV R R R� R R ( R ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _bls_update� s # c C s= | j d k r9 t j j t j t j j | � � | _ n d S( N( R R R R t joinR t BOOT_DIRt basename( R t name( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _init_initrd_dst_img� s c C s t j j t j � S( N( R R t isdirR t PETITBOOT_DETECT_DIR( R ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _check_petitboot� s c C s� | j � r t j d � n t j d | j � t j j | j � } | j j | | j � sa t St | _ | j j d � j � } d } t | � } | r� t j d d | � } t | � | k r� | } q� n t j j | | � | _ t S( Nsk Detected Petitboot which doesn't support initrd overlays. The initrd overlay will be ignored by bootloader.s installing initrd image as '%s's /proc/cmdlinet /s ^\s*BOOT_IMAGE=\s*(\S*/).*$s \1( R� R0 R1 RM R R R R� R R, R R R Rj t rstripRl R7 R9 R� R ( R t imgt img_namet curr_cmdlinet initrd_grubpatht lcR ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _install_initrd� s R! c C s5 | r d S| r1 | d k r1 t | � g | _ n d S( N( R R- R ( R t enablingR t verifyt ignore_missing( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _grub2_cfg_file� s R" c C sy | r d S| ru | d k ru t | � | _ | j d k r> t S| j d d k ru t j j t j | j � | _ qu n d S( NR i R� ( R R- R R R R R� R R� ( R R� R R� R� ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _initrd_dst_img� s R% c C s> | r d S| r: | d k r: | j j | � d k | _ n d S( Nt 1( R R t get_boolR ( R R� R R� R� ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyR s R# t per_devicet priorityi c C s_ | r d S| r[ | d k r[ t | � } | j | � | d k rE t S| j | � s[ t Sn d S( NR ( R R- R� R R� ( R R� R R� R� t src_img( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _initrd_add_img s R$ c C sv | r d S| rr| d k rrt | � } | j | � | d k rE t St j j | � sl t j d | � t St j d | � t j d d d d � \ } } t j d | � t j | � | j j d | d | d t �\ } } t j d | � | d k r%t j d � | j j | d t �t S| j | � | j j | � | j rrt j d | � | j j | � qrn d S( NR sF error: cannot create initrd image, source directory '%s' doesn't exists+ generating initrd image from directory '%s't prefixs tuned-bootloader-t suffixs .tmps+ writing initrd image to temporary file '%s's find . | cpio -co > %st cwdt shells cpio log: %si s error generating initrd imaget no_errors removing directory '%s'( R R- R� R R R R� R0 t errorRM t tempfilet mkstempRZ t closeR R} R RR R� R t rmtree( R R� R R� R� t src_dirt fdt tmpfileR� R� ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _initrd_add_dir s2 ( R& c C s | j j | j j | � � } | r� | j j d � } t | � d k rL d St | j � � } t | j � � } | j | � } | | k r� t j t j d t | � f � t St j t j d t | � t | � f � t Sn | r| d k rt j d � t | _ | | _ n d S( Ns /proc/cmdlinei R& s; installing additional boot command line parameters to grub2( t _variablest expandR t unquoteRj Rl R R{ R6 t intersectionR0 RM R t STR_VERIFY_PROFILE_VALUE_OKR- R R� t STR_VERIFY_PROFILE_VALUE_FAILR R R ( R R� R R� R� t vR& t cmdline_sett value_sett cmdline_intersect( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _cmdline> s" ) c C s3 | r/ | j r/ | j � | j � t | _ n d S( N( R Rx R� R ( R R R� ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt _instance_post_staticS s (" R3 t __module__t __doc__R R R t classmethodR( RC R RK RS R RX R` Rg Rq Rw Rx Rz RV R� R� R� R� R� t command_customR� R� R R� R� R� R� ( ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyR s: ! ! !( R R t decoratorst tuned.logst tunedR t tuned.utils.commandsR t tuned.constsR R R7 R� t logst getR0 t PluginR ( ( ( sC /usr/lib/python2.7/site-packages/tuned/plugins/plugin_bootloader.pyt <module> s