| Current File : //usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyo |
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Defaults - manage Albireo/VDO defaults
$Id: //eng/vdo-releases/magnesium/src/python/vdo/vdomgmnt/Defaults.py#17 $
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� ZA e j% ZB d ZC d ZD d ZE d d d d d d! g ZF d" ZG d# ZH d$ d% d# g ZI eJ d& � � ZK eJ d' � � ZL eJ d( � � ZM eJ d) � � ZN eJ d* � � ZO eJ d+ � � ZP eJ d, � � ZQ eJ d- � � ZR eJ d. � � ZS eJ d/ � � ZT eJ d0 � � ZU eJ d1 � � ZV eJ d2 � � ZW eJ d3 � � ZX eJ d4 � � ZY eJ d5 � � ZZ eJ d6 � � Z[ d7 � Z\ eJ d8 � � Z] eJ d9 � � Z^ RS(: s. Defaults manages default values for arguments.i����i id i i@ i i g�Q� ���?i t 128Mt 16Ti i�? t VDO_CONF_DIRs /etcs /vdoconf.ymli g �?s .Defaultst 4096Ti t oni
t 0t 2Gt 32Gi t infot criticalt errort warningt noticet debugt vdot autot asynct syncc C s, t j j | � r | St t d � � � d S( s� Checks that an option is an absolute pathname.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The pathname as a string.
Raises:
ArgumentError
s must be an absolute pathnameN( t ost patht isabsR t _( t value( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt checkAbspathr s c C s
t j | � S( s� Checks that an option is a valid name for the backing store.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The backing store name as a string.
Raises:
ArgumentError
( R R) ( R( ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt checkBlkDev� s c C s t j t j t j | � S( s) Checks that an option is an acceptable value for the block map period.
The number must be at least 1 and no bigger than 16380.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value converted to an int.
Raises:
ArgumentError
( R t _rangeCheckt blockMapPeriodMint blockMapPeriodMax( R( ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt checkBlockMapPeriod� s c C s0 | d k r, t j j | � r, t j | � S| S( s@ Checks that an option specifies a possible config file path name.
Currently the only restriction is that the if the path already
exists, it must be a regular file.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value.
Raises:
ArgumentError
N( t NoneR$ R% t isfileR t _checkNotBlockFileOrDirectory( R( ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt
checkConfFile� s
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r� n Xt t d � j t j t j � � � d S( sY Checks that an option is a legitimate index memory setting.
To handle non-US locales while still supporting the documented
behavior, we allow either a period or a comma as the decimal
separator. This will be normalized to the decimal-point
representation; internally indexMem is always either the string
representation of an integer or one of the exact strings '0.25',
'0.5', or '0.75' regardless of locale.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The memory setting as a string.
Raises:
ArgumentError
t ,t .s 0.25s 0.5s 0.75sp must be an integer at least {0} and less than or equal to {1} or one of the special values of 0.25, 0.5, or 0.75N( t replacet intR t indexMemIntMint indexMemIntMaxt
ValueErrorR R' t format( R( t number( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt
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t j | � S( s` Checks that an option specifies a possible log file path name.
Currently the only restriction is that the path name may not refer
to an existing block device node or directory in the file system.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value.
Raises:
ArgumentError
( R R1 ( R( ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt checkLogFile� s c C sC t j | � } | t j k s? t t d � j t j � � � n | S( s� Checks that an option is an LVM-style size string.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value converted to a SizeString.
Raises:
ArgumentError
s! must be less than or equal to {0}( R t checkSizet logicalSizeMaxR R' R: ( R( t ss( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt checkLogicalSize� s
c C s\ t j | � } t j | k o, t j k n sX t t d � j t j t j � � � n | S( sk Checks that an option is an acceptable value for the page cache size.
Page cache sizes will be rounded up to a multiple of the page size, and
must be at least 128M and less than 16T.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value converted to a SizeString.
Raises:
ArgumentError
s& must be at least {0} and less than {1}( R t checkSiSizet blockMapCacheSizeMint blockMapCacheSizeMaxPlusOneR R' R: ( R( R@ ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt checkPageCachesz� s
c C s\ t j | � } t j | k o, t j k n sX t t d � j t j t j � � � n | S( sK Checks that an option is an acceptable value for the read cache size.
Read cache sizes will be rounded to a multiple of 4k, and must be less
than 16T.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value converted to a SizeString.
Raises:
ArgumentError
s& must be at least {0} and less than {1}( R RB t readCacheSizeMint readCacheSizeMaxPlusOneR R' R: ( R( R@ ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt checkReadCachesz s
c C s t j t j t j | � S( s� Checks that an option is a valid "physical" thread count.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value converted to an integer.
Raises:
ArgumentError
( R R+ t physicalThreadsMint physicalThreadsMax( R( ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt checkPhysicalThreadCount+ s c C s t j t j t j | � S( s� Checks that an option is a valid bio rotation interval.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value converted to an integer.
Raises:
ArgumentError
( R R+ t bioRotationIntervalMint bioRotationIntervalMax( R( ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt checkRotationInterval< s c C sz | d j � s9 | d j � rd | d j � t j k rd y t | � } | SWqd t k
r` qd Xn t t d � � � d S( s� Checks that an option is an SI unit size string.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value converted to a SizeString.
Raises:
ArgumentError
i����s must be an SI-style size stringN( t isdigitt isalphat lowerR t
lvmSiSuffixesR R9 R R' ( R( R@ ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyRB M s
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r' n Xt t d � � � d S( s� Checks that an option is an LVM-style size string.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value converted to a SizeString.
Raises:
ArgumentError
s must be an LVM-style size stringN( R R9 R R' ( R( R@ ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyR> c s
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r� n Xt t d � � � d S( s� Checks that an option is a valid slab size.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value converted to a SizeString.
Raises:
ArgumentError
s* must be a power of two between {0} and {1}s must be an LVM-style size stringN( R t toBytesR t isPowerOfTwoR t slabSizeMint slabSizeMaxR R' R: R9 ( R( R@ t size( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt
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c C s t j d d | � S( s& Checks that an option is a valid thread count, for worker thread
types requiring between 0 and 100 threads, inclusive.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value converted to an integer.
Raises:
ArgumentError
i id ( R R+ ( R( ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt checkThreadCount0_100� s
c C s t j d d | � S( s& Checks that an option is a valid thread count, for worker thread
types requiring between 1 and 100 threads, inclusive.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value converted to an integer.
Raises:
ArgumentError
i id ( R R+ ( R( ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt checkThreadCount1_100� s
c C sx d } t j d | d | � d k rG t t d � j | | � � � n | j d � rt t t d � j | � � � n | S( s� Checks that an option is a valid VDO device name.
The "dmsetup create" command will accept a lot of characters that
could be problematic for udev or for running shell commands
without careful quoting. For now, we permit only alphanumerics and
a few other characters.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The device name as a string.
Raises:
ArgumentError
s A-Za-z0-9#+.:@_-s ^[s ]*$sF VDO device names may only contain characters in '{0}': bad value '{1}'t -s8 VDO device names may not start with '-': bad value '{0}'N( t ret matchR/ R R' R: t
startswith( R( t allowedChars( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyt checkVDOName� s c C s d S( N( ( R ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyR � s c C s� | d k r� t j j | � r� t j | � } t j | j � r] t t d � j | � � � n t j
| j � r� t t d � j | � � � q� n | S( s� Checks that an option does not specify an existing block device
or directory.
Arguments:
value (str): Value provided as an argument to the option.
Returns:
The value.
Raises:
ArgumentError
s {0} is a block devices {0} is a directoryN( R/ R$ R% t existst statt S_ISBLKt st_modeR R' R: t S_ISDIR( R( t pathstat( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyR1 � s
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rC n Xt t d � j | | � � � d S( sT Checks that an option is a valid integer within a desired range.
Arguments:
minValue (int): The minimum acceptable value.
maxValue (int): The maximum acceptable value.
value (str): Value provided as an argument to the option.
Returns:
The value converted to an integer.
Raises:
ArgumentError
s= must be an integer at least {0} and less than or equal to {1}N( R6 R9 R R' R: ( t minValuet maxValueR( R; ( ( s9 /usr/lib/python2.7/site-packages/vdo/vdomgmnt/Defaults.pyR+ � s
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emulate512t hashZoneThreadst hashZoneThreadsMaxt hashZoneThreadsMint indexMemR8 R7 R t getLoggert mynamet logR? t logicalThreadst( logicalThreadsBlockMapCacheSizeThresholdt logicalThreadsMaxt logicalThreadsMint mdRaid5Modet physicalThreadOverheadMBt physicalThreadsRJ RI t readCachet
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