dE Z?d_dFZ@d eAeeBe f fdGZCd eAeeBe f fdHZDdI ZEdJ ZFdK ZGdL ZHdM ZIdN ZJdO ZKd eBe&eef fdPZLdQ ZMdR ZNdS ZOdT ZPdU ZQdV ZRdW ZSedX ZTdY ZUdZ ZVd[ ZWd\ ZXd`d]ZYd^ ZZd S )f QuotaWrapperaB
Base quota class for inode quotas handling
* Update system quotas via setquota
* Retrieves system quotas via repquota
* Stores current quotas in /etc/container/cl-quotas.dat file
* Maintaines /etc/container/cl-quotas.cache file with resolved quotas. That file can be read by non-privileged users
z /proc/mountsz/usr/bin/quotasyncz/usr/sbin/setquotaz/usr/sbin/repquotaz%/usr/bin/getcontrolpaneluserspackagesz /etc/container/cl-quotas.datz /etc/container/cl-quotas.cacheNz.lockFc H | t j | t j | t j t | _ d | _ i | _ i | _ i | _
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bytes_hard inodes_used inodes_soft inodes_hard)_assert_file_existsru PROC_MOUNTSREPQUOTASETQUOTAlist_quota_enabled_list_panel_present_grace_quota
_device_quota_package_to_uids_map_uid_to_packages_map_uid_to_homedir_map_get_saved_data_handler_dh_fieldsosgeteuid_euid_load_quota_devices_devices_get_mountpoint_device_map_mountpoint_device_mapped_device_user_map_all_package_listr4 s r& r" zQuotaWrapper.__init__ s !9::: !6777 !6777#'66 " $&!$&!#% //11nnn Z\\
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Returns user limits converted to tuples
_convert_data_to_tuples_get_current_quotasr$ rT s r& get_user_limitsz QuotaWrapper.get_user_limits s& ++D,D,DS,I,IJJJr' c P | | S )z=
Returns all user limits converted to tuples
r r4 s r& get_all_users_limitsz!QuotaWrapper.get_all_users_limits s$ ++D,D,D,F,FGGGr' c T | | | S )z
:param packname: Package name for get limits. If None, returns all packages,
else - only supplied package
Returns package limits converted to tuples (called only from main)
)packnamer _get_package_quotasr# s r& get_package_limitsz QuotaWrapper.get_package_limits s) ++D,D,Dg,D,V,VWWWr' c V | | |d S )zY
Returns all packages limits converted to tuples (called only from main)
Tr all_packagesr r# s r& get_all_packages_limitsz$QuotaWrapper.get_all_packages_limits s, ++D,D,Dgdh,D,i,ijjjr' c H |dk rdS |dv rdS | | S )z
Preprocessed passed limit: 'default' --> '0', 'unlimited' --> -1, else calls _check_limit
:param limit:
:return:
r 0) unlimited-1r ) _check_limitr8 s r& _preprocess_limitz QuotaWrapper._preprocess_limit s9 I 3 ' ' '4 '''r' c ^ | j d| d S )Npackages:)r getsplitr# s r& _get_package_from_dhz!QuotaWrapper._get_package_from_dh s& x||J0066s;;;r' c l i }i }| j d rt | j d dk r| }| j d D ]`}|r ||vr | j d| $| | }t | dk rM|d |d f||< a|r| | | j
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Retrive all available packages with their limits
:param clean_dead_packages: if True - remove all nonexistent packages from cl-quotas.dat
:return: Dictionary: { 'package_name': (soft_limit, hard_limit) }
r r r r ) r has_sectionlenitems_get_all_package_listoptions
remove_optionr _write_data_get_package_to_users_mapr keys)r$ clean_dead_packagespackage_limits_dict db_packageslist_of_packagesr% package_limitss r& _get_all_packages_with_limitsz*QuotaWrapper._get_all_packages_with_limits sj ! 8
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Set limits for users
* Resolve limits according to those saved in cl-quota.dat
Limits are resolved in the following order:
user limits --> package limits --> root user (uid=0) limits
* Apply new limits when resolved limits differ from those in cache or when `force_save` is True
* Write updated values to cl-quota.dat if `save` is True
Always update cl-quota.dat in case both zeroes or both unlimited are provided
:param uid: user id
:param soft: soft limit value
:param hard: hard limit value
:param save: save limits to cl-quota.dat
:param force_save: save limits to cl-quota.dat even if they are not changed
:param only_store: store limits in memory, but do not apply them
:return: None
rT r r r r r{ r| r rx ry
z4Your quota limits have been stored only successfullyz-uz/Your quota limits have been stored successfullyz Your quota limits for device z have been applied successfully.)r z+Quota limits have been stored successfully.r z3Global quota limits have been applied successfully.N) _check_adminr _combine_user_limits_convert_for_sys_utilityr _get_home_device_fetch_homedirr r printru r r _sync_quota_files_get_user_limits_to_save_save_user_limits_apply_all_limits)r$ rT r r r r r soft_validatedhard_validated
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Sets limits for package
:param package: package name
:param soft: soft limit value
:param hard: hard limit value
:param save: save limits to cl-quota.dat
:param only_store: store limits in memory, but do not apply them
:return: None
Tr N)rT r% r r r r{ r| r rx ry r r r )r r r r !_get_saved_package_limits_if_none_save_package_limits_check_package_exists_get_device_user_mapr r _combine_package_limitsr appendKeyErrorr joinr r _get_package_limits_to_save_flush_device_quota)r$ r% r r r r r r r r device_user_map
cached_quotasr std_inrT r r soft_cached hard_cached soft_data hard_datas r& set_package_limitz QuotaWrapper.set_package_limita s# (
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Read limits from file and applies them to packages and users
T)r N).z.. F)r r ) r r r r sepaltsepr _remove_unexisting_usersr )r$ r r% r r s r& synchronizezQuotaWrapper.synchronize s
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Caches the limits to non-privileged user to see them
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d###++L,BCC *\33DEEE-((( /000 r' skip_rootc | D ]%}|dk r|r | |dddd &| dS )z=Set limits for all users. Skip root user if skip_root is Truer NFT)r r r r )_get_uid_to_packages_mapr r r )r$ r& rT s r& r z QuotaWrapper._apply_all_limits sv 00227799 X XCczziz $TRV W W W W """""r' c d}| j D ]/}t j d|g}t || j | d}0|r| i | _ dS )z Write all device quotas to diskFz-bu)r TN)r r ru r r r )r$ quotas_writtenr r s r& r z QuotaWrapper._flush_device_quota s~ $(--// " "F (%8C D$6v$> ? ? ? ? !NN % " " $ $ $ r' r c |8t | }| dk rdS t j |g}nt j dg}t | dS )a
In order to sync inodes limits in kernel with limits in user.quota file run `quotasync` command.
Otherwise `repquota` called right after `setquota` may return old limits existed before `setquota` call.
Skipped on the XFS filesystem because XFS does not require a separate quota synchronization step
as it handles these operations in real-time. Additionally, the specific functionality required by `quotasync`
to sync the disk quota information is not implemented, resulting in an error.
Nxfsz-a)r lowerru QUOTASYNCr )r$ r fs_typer s r& r z QuotaWrapper._sync_quota_files s_ )&11G}}%'' )62CC )40CCr' c " | j d rt| j d D ]C} | | # t $ r | j d| Y @w xY w| dS dS )zARemove all records from cl-quota.dat for users which do not existusersN)r r r r r. r r r s r& r
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Derive package limit values to save to cl-quota.dat
If None passed as limit to method, then replace it by the user's value from cl-quota.dat
Update cl-quota.dat only if the derivation result changes
rT r N)_get_user_limitsr ) r$ rT r r r r r r r soft_none_resolvedhard_none_resolveds r& r z%QuotaWrapper._get_user_limits_to_save s (,'<'<'<'E'E$
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}151J1JsY]dh1J1i1i. . . . .: ..B\ *M . . .: ..B\ *M m++r' c T | | \ }}||n|}||n|}||fS )z3Derive package limit values to save to cl-quota.datr% )_get_package_limits)r$ r% r r p_softp_hards r& r z(QuotaWrapper._get_package_limits_to_save0 sF 11'1BB $2#= 6#1#= 6v~ r' c v | j ,dt ddg k | _ | j S )z6
Return True if control panel present
NUnknownz/usr/bin/cldetectz--detect-cp-nameonly)r r rstripr4 s r& _check_present_panelz!QuotaWrapper._check_present_panel: s> &"+{}|d |vr g ||d < ||d |d ?|| _ | j S )zF
Returns dictionary mapping devices to lists of users
Nr r )r _get_list_of_uidsr r r r )r$ devices_mapdevice_user_pairsrT pairs r& r z!QuotaWrapper._get_device_user_map[ s ,( ( ))++ C
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Determines user limits by resolving them according to the limits inheritance rule:
user limits ---(overridden by provided as method param if provided not None)--->
---> package limits ---> root user (uid=0) limits
uid: user id
soft: Optional[str] = None: limit value, can be:
* None -- value not passed
* "-1" -- unlimited
* "0" -- default (next value from hierarchy should be considered)
* "1", "2", ... -- precice limit values
hard: soft: Optional[str] = None: limit value, values range the same as for soft
return: Tuple[str, str]: (soft_limit, hard_limit), they can be:
* "-1" -- unlimited
* "1", "2", ... -- precice limit values
r r r )r% r r ) _get_user_limits_override_noner( $_get_package_limits_override_default!_get_user_limits_override_default)r$ rT r r r% s r& r z!QuotaWrapper._combine_user_limitsx s $ #:: <<4VZ<[[JD$"&#++$$4RV$D: 88StRV8WW
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d "ckkddtTS[[TTddTzr' c | | \ }}| ||n| }| ||n| }||fS )a Get user limits from cl-quota.dat. If limit is None, then override it by user's limit
:param str uid: user id
:param Optional[str] soft: limit value, can be:
* None -- value not passed, should be overridden by user's limit
* "-1" -- unlimited
* "0" -- default (next value from hierarchy should be taken)
* "1", "2", ... -- values
:param Optional[str] hard: limit values same as for soft
:return Tuple[str, str]: derived limits
r4 Nr9 r5 r r$ rT r r user_soft user_hards r& rW z+QuotaWrapper._get_user_limits_override_none sg $ 4 4 4 = = 9 t/?ttY OO t/?ttY OOTzr' c | | \ }}| |dk r|n| }| |dk r|n| }||fS )a Get user limits from cl-quota.dat. If limit is default, then override it by user's limit
:param str uid: user id
:param Optional[str] soft: limit value, can be:
* "-1" -- unlimited
* "0" -- default (next value from hierarchy should be taken)
* "1", "2", ... -- values
:param Optional[str] hard: limit values same as for soft
:return Tuple[str, str]: derived limits
r4 r r[ r\ r] s r& rY z.QuotaWrapper._get_user_limits_override_default sm $ 4 4 4 = = 9 ts{{tt JJ ts{{tt JJTzr' c | j d| d \ }}n&# t j t j f$ r d\ }}Y nw xY w||fS )z*Try to get user's limits from cl-quota.datr1 r r )r r r rF NoSectionError
NoOptionError)r$ rT r^ r_ s r& r5 z QuotaWrapper._get_user_limits sp ,#'8<<#=#=#C#CC#H#H Iyy +\-GH , , ,#+ Iyyy ,)##s 14 AAc | | \ }}| |dk r|n| }| |dk r|n| }||fS )zeGet package limits from cl-quota.dat. If passed limit is default, then override it by package's limitr9 r r[ )r: r r$ r% r r pack_soft pack_hards r& rX z1QuotaWrapper._get_package_limits_override_default sk # 7 7 7 H H 9 DCKKyyT JJ DCKKyyT JJTzr' c | | \ }}n&# t j t j f$ r d\ }}Y nw xY w||fS )z-Try to get package's limits from cl-quota.datr )r rF rb rc r$ r% r r s r& r: z QuotaWrapper._get_package_limits s] " 227;;JD$$ +\-GH " " "!JD$$$ "Tzs >>c * | dk rd} |dk rd}| |fS )zAConverts limits for setquota utility which threats 0 as unlimitedr r r, r s r& r z%QuotaWrapper._convert_for_sys_utility s* 4<<D 4<<DTzr' c
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Determines package limits taking into account saved user and default ones
r4 Tr r{ r| r9 r Nr r )r5 IS_DArs _get_da_real_packager r: rY ) r$ r% rT r r u_softu_hardda_real_packageda_real_quotasr; r< s r& r z$QuotaWrapper._combine_package_limits sT
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Applies saved package limits if none has been passed
Nr )r rF rb rc r re s r& r z.QuotaWrapper._get_saved_package_limits_if_none s #'#<#z(QuotaWrapper._populate..U s !d1Q4j/A r' )rB r map enumerater )r$ itemr s `r& r zQuotaWrapper._populateT sH d4%A%A%A%AIdl[\[][]N^D_D_ ` `aabbccr' c h t | S rM )r r r r4 s r& r z"QuotaWrapper._get_list_of_packagesW s( D224499;;<<# t t t f$ r$}t dt | z d}~ww xY wt
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Retrieve package-uids map from cpapi. Only for custom panels. See LU-610 for details.
Null packages coming from cpapi are considered to be 'default' package.
:return: Dictionary with data.
Example response:
{'default': ['1038', '1043', '1046'], 'res1_pack1': ['1044'], 'pack1': ['1042']}
Coorresponding self._uid_to_packages_map value:
{'1038': ['default'], '1042': ['pack1'], '1043': ['default'], '1044': ['res1_pack1'], '1046': ['default']}
z%s. Can not get usersNr% T raise_exc %s. Can not get admin packages)r OSErrorr r r rC r r r r r r r
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admin_pkgss r& _get_packages_uids_from_cpapiz*QuotaWrapper._get_packages_uids_from_cpapi{ s L '\\NN3]C L L L'(?3q66(JKK K L %T**$/$5$5! + 1 1 3 3 = =MCHHE-5i-@-Lhy))RdG 7 # * *5 1 1 1 %e , 3 3G < < < < U'$777JJ34 U U U'(HCPQFF(STT T U " b bG % %1DggJ\^` a a a a!!"4b999 s, A AA 8D D> D99D>c i }| j dk r|S | sTt t t t |t < d |t D | _ |S | S )z
Gets map of packages and users
:rtype dict
:return Dictionary with data. Example:
{'default': ['1038', '1043', '1046'], 'res1_pack1': ['1044'], 'pack1': ['1042']}
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z8QuotaWrapper._load_package_uids_data.. s (g(g(gQ-?,@(g(g(gr' ) r r@ r r rC rj r r r )r$ r s r& r z$QuotaWrapper._load_package_uids_data s :??O((** +/C 9J9J0K0K+L+LH' ((g(g(SeJf(g(g(gD %O11333r' c f | j r| j S g | _ t d }|D ] }| j | n8# t t f$ r$}t dt
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Retrives all (root and resellers) panel package list
:return: List of package names
Tr r Nz!%s. Can not get reseller packages)
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packages_lists r& r z"QuotaWrapper._get_all_package_list s ! *) ) U%'D ""04"@"@"@ .
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Convert dict to tuples for passing to printing routines
c $ | | fS rM r, )r r r s r& r z6QuotaWrapper._convert_data_to_tuples.. s ac1 -> r' r N)r tupler r r )r$ r entryr s ` @r& r z$QuotaWrapper._convert_data_to_tuples s 99;; C
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Gets current quota settings from repqouta utility for further processing
Nz-unaz2(block|inode)\sgrace\stime:?\s(\d[\w:]+)(?:;|$|\s)# r r r c : j | d | d fS Nr r r )r r$ s r& r z3QuotaWrapper._load_current_quotas.. s 4<!;MqQRt:T r' r z***z/devgracec F | d | d fS r )r- )r s r& r z3QuotaWrapper._load_current_quotas.. s 1 qQRt@T r' ) r ru r r rP rQ
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| w xY w)Nr c B i | ] }t |j |j S r, )rC rb ra )rc r s r& r z/QuotaWrapper._fetch_homedir.. s' ,i,i,iQVS ->-> ,i,i,ir' )r r r pwdgetpwallr r. r s r& r zQuotaWrapper._fetch_homedir
s t' ( (A - - $ + +,i,iZ]ZfZhZh,i,i,i j j j ++C0 0 + + +%c** * +s A A6c i }t t j }t j d }|D ]}| d r| | }|d }d|d i}|D ]~}| d s| d r | d d |d < K| d
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Gets mounted filesystems list and picks ones with quota on
Example of returned data structure:
{'/dev/mapper/VolGroup-lv_root': [
{'mountpoint': '/', 'quota_file': 'quota.user', 'quota_type': 'vfsv0'},
{'mountpoint': '/var', 'quota_file': 'quota.user', 'quota_type': 'vfsv0'}
],
'/dev/mapper/VolGroup-lv_root2': [
{'mountpoint': '/', 'quota_file': 'quota.user', 'quota_type': 'vfsv0'},
{'mountpoint': '/var', 'quota_file': 'quota.user', 'quota_type': 'vfsv0'}
]
}
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