ó æ ”\c@sœddljZddlmZddlTddlmZmZddlZ ddl m Z ddl Z e j jƒZe ƒZdejfd„ƒYZdS( iÿÿÿÿNi(tbase(t*(tPopentPIPE(tcommandst MountsPlugincBs†eZdZed„ƒZd„Zed„ƒZd„Zd„Zd„Z d„Z d„Z d „Z e d d eƒd „ƒZRS( s. Plugin for tuning options of mount-points. c Cs‚i}d}tdddgdtdtdtdtƒjƒ\}}x-g|jƒD]}|jƒ^qUD]}t|ƒdkr‰qkn|d \}}} t|ƒdkr¸|dnd} t|ƒd krÚ|d nd} |d krø| }qkn|d ksk|dkrqkn| dksk| dkr4qkn|j| it ƒd6| d6| d6ƒ|| dj |ƒqkW||_ dS(sÁ Gets the information about disks, partitions and mountpoints. Stores information about used filesystem and creates a list of all underlying devices (in case of LVM) for each mountpoint. tlsblks-rnosTYPE,RM,KNAME,FSTYPE,MOUNTPOINTtstdouttstderrt close_fdstuniversal_newlinesiitdiskt1tparttlvms[SWAP]tdiskst device_namet filesystemN(R R( tNoneRRtTruet communicatet splitlinestsplittlent setdefaulttsettaddt_mountpoint_topology( tclstmountpoint_topologyt current_diskRRtlinetcolumnst device_typetdevice_removableRRt mountpoint((s?/usr/lib/python2.7/site-packages/tuned/plugins/plugin_mounts.pyt_generate_mountpoint_topologys,  ,"" (cCs;|jƒt|_t|jjƒƒ|_tƒ|_dS(N(R$Rt_devices_supportedRRtkeyst _free_devicest_assigned_devices(tself((s?/usr/lib/python2.7/site-packages/tuned/plugins/plugin_mounts.pyt _init_devices5s  cCs idd6S(Ntdisable_barriers(R(R)((s?/usr/lib/python2.7/site-packages/tuned/plugins/plugin_mounts.pyt_get_config_options;scCst|_t|_dS(N(tFalset_has_dynamic_tuningRt_has_static_tuning(R)tinstance((s?/usr/lib/python2.7/site-packages/tuned/plugins/plugin_mounts.pyt_instance_initAs cCsdS(N((R)R0((s?/usr/lib/python2.7/site-packages/tuned/plugins/plugin_mounts.pyt_instance_cleanupEscCs8tjd|ƒ}x|D]}tj|ƒjƒSWdS(sV Get device cache type. This will work only for devices on SCSI kernel subsystem. s+/sys/block/%s/device/scsi_disk/*/cache_typeN(tglobtcmdt read_filetstripR(R)tdevicetsource_filenamestsource_filename((s?/usr/lib/python2.7/site-packages/tuned/plugins/plugin_mounts.pyt_get_device_cache_typeHs cCs9x2|j|dD]}|j|ƒdkrtSqWtS(sr Checks if the device has 'write back' cache. If the cache type cannot be determined, asume some other cache. Rs write back(RR:RR-(R)R#R7((s?/usr/lib/python2.7/site-packages/tuned/plugins/plugin_mounts.pyt_mountpoint_has_writeback_cacheQsc Csætdƒ`}xV|D]J}|jƒ}|dddkrBqn|d|kr|d}PqqWdSWdQX|jdƒ}xb|D]V}|jdƒ\}} } |d ksÆ|d krÊ| d krÊtS|d kr„tSq„WtSdS( sP Checks if a given mountpoint is mounted with barriers enabled or disabled. s /proc/mountsit/iiNt,t=t nobarriertbarriert0(topenRRt partitionR-R( R)R#t mounts_fileRR t option_listtoptionstoptiontnametseptvalue((s?/usr/lib/python2.7/site-packages/tuned/plugins/plugin_mounts.pyt_mountpoint_has_barriersZs"     $ cCs'd|dd|g}tj|ƒdS(s Remounts partition. s/usr/bin/mounts-os remount,%sN(R4texecute(R)RCRFtremount_command((s?/usr/lib/python2.7/site-packages/tuned/plugins/plugin_mounts.pyt_remount_partitionwsR+t per_devicec CsÑ|jddd|ƒ}t|ƒjƒdk}|pB|j|ƒ}|rp|sUdSd}|j|djdƒs~d}n”| r|j|ƒrd}nu|j|ƒ} | dkrÁd }nQ| t krô|rët j t j |ƒtSd }n|rt jt j|ƒt S|dk r9t j d ||fƒdS|jj|| ƒt j d |ƒ|j|d ƒn]|rzdS|jj|ƒ} | dkrœdSt j d|ƒ|j|dƒ|jj|ƒdS(Nt command_nameR+RtforceRtextsfilesystem not supportedsdevice uses write back cachesunknown current settingsbarriers already disableds#not disabling barriers on '%s' (%s)sdisabling barriers on '%s's barrier=0senabling barriers on '%s's barrier=1(t _storage_keytstrtlowert _option_boolRRt startswithR;RKR-tlogtinfotconststSTR_VERIFY_PROFILE_OKRterrortSTR_VERIFY_PROFILE_FAILt_storageRRNtgettunset( R)tstartRJR#tverifytignore_missingt storage_keyRQt reject_reasontoriginal_value((s?/usr/lib/python2.7/site-packages/tuned/plugins/plugin_mounts.pyt_disable_barriers~sN          (t__name__t __module__t__doc__t classmethodR$R*R,R1R2R:R;RKRNtcommand_customRRg(((s?/usr/lib/python2.7/site-packages/tuned/plugins/plugin_mounts.pyR s$     (t tuned.constsRZtRt decoratorst subprocessRRt tuned.logsttunedttuned.utils.commandsRR3tlogsR_RXR4tPluginR(((s?/usr/lib/python2.7/site-packages/tuned/plugins/plugin_mounts.pyts