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contego / home / tvault / .virtenv / lib / python2.7 / site-packages / nova / objects / resource_provider.pyc
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„Z!d„Z"d„Z#d„Z$d„Z%ej&j'd„ƒZ(ej&j'd„ƒZ)ej&j'd„ƒZ*ej&j'd„ƒZ+ej,j-dej.fd„ƒYƒZej,j-dej/ej.fd„ƒYƒZ0dej.fd„ƒYZ1ej&j'd„ƒZ2ej&j'd„ƒZ3ej,j-de1fd„ƒYƒZej,j-d ej/ej.fd!„ƒYƒZ4ej,j-d"e1fd#„ƒYƒZd$„Z5d%„Z6ej,j-d&ej/ej.fd'„ƒYƒZ7ej,j-d(ej.fd)„ƒYƒZ8ej,j-d*ej/ej.fd+„ƒYƒZ9dS(,iÿÿÿÿ(tlogN(tfunc(tcontains_eager(tsql(tapi(t
api_models(t	exception(t_LW(tobjects(tbase(tfieldscCsftjtjjgƒjtjj|jkƒ}|j|ƒj	ƒ}t
g|D]}|d^qOƒS(söReturns a set() containing the resource class IDs for all resources
    currently having an inventory record for the supplied resource provider.

    :param conn: DB connection to use.
    :param rp: Resource provider to query inventory for.
    i(tsatselectt_INV_TBLtctresource_class_idtwheretresource_provider_idtidtexecutetfetchalltset(tconntrptcur_res_seltexisting_resourcestr((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt _get_current_inventory_resources#sc	Cs"tjtjjjdƒgƒjtjtjj|j	ktjjj
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|ƒƒƒ}|j|ƒ}|jS(s¥Deletes any inventory records from the supplied provider and set() of
    resource class identifiers.

    If there are allocations for any of the inventories to be deleted raise
    InventoryInUse exception.

    :param conn: DB connection to use.
    :param rp: Resource provider from which to delete inventory.
    :param to_delete: set() containing resource class IDs for records to
                      delete.
    tresource_classs, tresource_classestresource_provider(RRt
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from_indexRRtInventoryInUsetuuidR
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allocationRtdel_stmttres((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_delete_inventory_from_provider0s 	(cCsÁxº|D]²}|j|ƒ}|jdkrUtjdtjj|ƒd|jƒ‚ntj	ƒj
d|jd|d|jd|j
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sLInserts new inventory records for the supplied resource provider.

    :param conn: DB connection to use.
    :param rp: Resource provider to add inventory to.
    :param inv_list: InventoryList object
    :param to_add: set() containing resource class IDs to search inv_list for
                   adding to resource provider.
    iRRRRttotaltreservedtmin_unittmax_unitt	step_sizetallocation_ratioN(tfindtcapacityRtInvalidInventoryCapacityR
R%R&R(R
tinserttvaluesRR2R3R4R5R6R7R(RRtinv_listtto_addt	res_classt
inv_recordtins_stmt((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_add_inventory_to_providerOs 	
							cCsÂg}xµ|D]­}|j|ƒ}|jdkr[tjdtjj|ƒd|jƒ‚ntj	t
jtj
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W|S(sÜUpdates existing inventory records for the supplied resource provider.

    :param conn: DB connection to use.
    :param rp: Resource provider on which to update inventory.
    :param inv_list: InventoryList object
    :param to_update: set() containing resource class IDs to search inv_list
                      for updating in resource provider.
    :returns: A list of (uuid, class) tuples that have exceeded their
              capacity after this inventory update.
    iRRtusageR2R3R4R5R6R7s)No inventory of class %s found for update(#R8R9RR:R
R%R&R(RRRtsumRRtusedR RR!RRRRtfirsttappendR
tupdateR<R2R3R4R5R6R7R*tNotFound(RRR=t	to_updatetexceededR?R@R,R-tupd_stmtR0((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_update_inventory_for_providerjs>
	$						cCs‰|j}|d}tjƒjtjtjj|jktjj|kƒƒjd|ƒ}|j	|ƒ}|j
dkr…tj‚n|S(sWIncrements the supplied provider's generation value, supplying the
    currently-known generation. Returns whether the increment succeeded.

    :param conn: DB connection to use.
    :param rp: `ResourceProvider` whose generation should be updated.
    :returns: The new resource provider generation value if successful.
    :raises nova.exception.ConcurrentUpdateDetected: if another thread updated
            the same resource provider's view of its inventory or allocations
            in between the time when this object was originally read
            and the call to set the inventory.
    it
generation(
RNt_RP_TBLRHRRR!RRR<RR*RtConcurrentUpdateDetected(RRtrp_gentnew_generationRLR0((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_increment_provider_generation–s	
	c
Cs{tjj|jƒ}td|gƒ}|jjƒ}|jƒ3t|||t	|gƒƒt
||ƒ|_WdQXdS(s6Add one Inventory that wasn't already on the provider.RN(R
R%tindexRt
InventoryListtsessiont
connectiontbeginRBRRSRN(tcontextRt	inventoryRR=R((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_add_inventory¯s
c
Cs}tjj|jƒ}td|gƒ}|jjƒ}|jƒ5t|||t	|gƒƒ}t
||ƒ|_WdQX|S(s,Update an inventory already on the provider.RN(R
R%RTRRURVRWRXRMRRSRN(RYRRZRR=RRK((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_update_inventory»s
cCso|jjƒ}|jƒNt|||gƒsStjdtjj|ƒƒ‚nt	||ƒ|_
WdQXdS(s:Delete up to one Inventory of the given resource_class id.s)No inventory of class %s found for deleteN(RVRWRXR1RRIR
R%R&RSRN(RYRRR((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_delete_inventoryÈs
c	Csï|jjƒ}t||ƒ}tg|jD]}tjj|jƒ^q+ƒ}||}||}||@}	g}
|j	ƒj|r™t
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||ƒ|_WdQX|
S(sþGiven an InventoryList object, replaces the inventory of the
    resource provider in a safe, atomic fashion using the resource
    provider's generation as a consistent view marker.

    :param context: Nova RequestContext.
    :param rp: `ResourceProvider` object upon which to set inventory.
    :param inv_list: `InventoryList` object to save to backend storage.
    :returns: A list of (uuid, class) tuples that have exceeded their
              capacity after this inventory update.
    :raises nova.exception.ConcurrentUpdateDetected: if another thread updated
            the same resource provider's view of its inventory or allocations
            in between the time when this object was originally read
            and the call to set the inventory.
    N(RVRWRRRR
R%RTRRXR1RBRMRSRN(RYRR=RRRtthese_resourcesR>R+RJRK((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_set_inventoryÕs$+



tResourceProvidercBskeZdZiejdeƒd6ejdeƒd6ejdeƒd6ejdeƒd6Ze	j
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NRtactiontcreatetreasonsalready createdR(suuid is requiredRcsname is required(RtObjectActionErrortobj_get_changest
_create_in_dbt_contextt_from_db_object(tselftupdatestdb_rp((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRescCs|j|j|jƒdS(N(t_deleteRjR(Rl((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pytdestroy'scCs_|jƒ}|rB|jƒdgkrBtjddddƒ‚n|j|j|j|ƒdS(NRcRdtsaveRfsImmutable fields changed(RhtkeysRRgt
_update_in_dbRjR(RlRm((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRq+s	cCs(|j||ƒ}|j||ƒ|ƒS(N(t_get_by_uuid_from_dbRk(tclsRYR(tdb_resource_provider((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pytget_by_uuid4scCs!t|j||ƒ|jƒdS(sAdd one new Inventory to the resource provider.

        Fails if Inventory of the provided resource class is
        already present.
        N(R[Rjtobj_reset_changes(RlRZ((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt
add_inventory9scCs3tjj|ƒ}t|j||ƒ|jƒdS(s,Delete Inventory of provided resource_class.N(R
R%RTR]RjRx(RlRR((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pytdelete_inventoryCscCs^t|j||ƒ}x8|D]0\}}tjtdƒi|d6|d6ƒqW|jƒdS(s<Set all resource provider Inventory to be the provided list.s@Resource provider %(uuid)s is now over-capacity for %(resource)sR(tresourceN(R_RjtLOGtwarningRRx(RlR=RKR(trclass((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt
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cCs^t|j||ƒ}x8|D]0\}}tjtdƒi|d6|d6ƒqW|jƒdS(sUpdate one existing Inventory of the same resource class.

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        s@Resource provider %(uuid)s is now over-capacity for %(resource)sR(R{N(R\RjR|R}RRx(RlRZRKR(R~((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pytupdate_inventoryTs
cCs-tjƒ}|j|ƒ|jj|ƒ|S(N(tmodelsR`RHRVtadd(RYRmRn((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRias
cCs¼|jjtjƒjtjj|kƒjƒ}|rEtjƒ‚n|jjtj	ƒjtj	j|kƒj
ƒ|jjtjƒjtjj|kƒj
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cCs@|jjtjƒjd|ƒjƒ}|s<tjƒ‚n|S(NR((RVRƒRR`RŒRFRRI(RYR(R‹((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRtŠs
(t__name__t
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tIntegerFieldtTruet	UUIDFieldtFalsetStringFieldR	t	remotableReRpRqtremotable_classmethodRwRyRzRR€tstaticmethodtdb_apitapi_context_managertwriterRiRoRsRktreaderRt(((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyR`s.	


tResourceProviderListcBsZeZdZiejdƒd6ZdZeejj	d„ƒƒZ
ejdd„ƒZRS(	s1.0R`RRcR(cCs”|si}n|jjtjƒ}xEtjD]:}||kr.|jttj|ƒ||kƒ}q.q.W|jd|j	ddƒƒ}|j
ƒS(Ntcan_hosti(RVRƒRR`Ržtallowed_filtersR…tgetattrRŒtgettall(RYtfiltersRƒtattr((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_get_all_by_filters_from_db¡s	&cCs1|j||ƒ}tj|||ƒtj|ƒS(N(R¦R	t
obj_make_listRR`(RuRYR¤tresource_providers((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pytget_all_by_filters®s(snamesuuidN(RRR‘R
tListOfObjectsFieldR R™RšR›RR¦R	R˜tNoneR©(((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRž”st_HasAResourceProvidercBs,eZdZed„ƒZed„ƒZRS(sWCode shared between Inventory and Allocation

    Both contain a ResourceProvider.
    cCs«y |jdƒ}|j|d<Wn/ttfk
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NRRRdReRfsresource_provider requiredRsresource_class requiredR(	tpopRtKeyErrortNotImplementedErrorRRgR
R%RT(RmRR((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_make_db»s 	

	
	
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RR&RR`RRkRjRx(RYttargettsourceRŽ((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRkÎs 
	
(RRt__doc__R™R°Rk(((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyR¬µscCs-tjƒ}|j|ƒ|jj|ƒ|S(N(RRˆRHRVR‚(RYRmtdb_inventory((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_create_inventory_in_dbås
cCsC|jjtjƒjd|ƒj|ƒ}|s?tjƒ‚ndS(NR(RVRƒRRˆRŒRHRRI(RYtid_RmR‹((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_update_inventory_in_dbís	!RˆcBseZdZi	ejdeƒd6ejdƒd6ejdeƒd6ejƒd6ejddƒd	6ejdd
ƒd6ejdd
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d„ƒZed„ƒZed„ƒZRS(s1.0RaRR`RRR2tdefaultiR3iR4R5R6gð?R7cCst|j|j|jƒS(s1Inventory capacity, adjusted by allocation_ratio.(tintR2R3R7(Rl((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyR9scCskd|kr'tjddddƒ‚n|j|jƒƒ}|j|j|ƒ}|j|j||ƒdS(NRRdReRfsalready created(RRgR°RhRiRjRk(RlRmR´((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRescCs`d|kr'tjddddƒ‚n|jƒ}|jddƒ|j|j|j|ƒdS(NRRdRqRfsnot created(RRgRhR­R«RsRjR(RlRm((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRqscCs
t||ƒS(N(Rµ(RYRm((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRiscCst|||ƒS(N(R·(RYR¶Rm((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRs!s(RRR‘R
R’R“tObjectFieldtResourceClassFieldtNonNegativeIntegerFieldtNonNegativeFloatFieldtpropertyR9R	R—ReRqR™RiRs(((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRˆõs 
		RUcBsZeZdZiejdƒd6Zd„Zeejj	d„ƒƒZ
ejd„ƒZ
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rNtjd|ƒ‚qRXnx0|j	D]%}tjj|j
ƒ|kr\|Sq\WdS(s‚Return the inventory record from the list of Inventory records that
        matches the supplied resource class, or None.

        :param res_class: An integer or string representing a resource
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                          string.
        sNo such resource class '%s'N(t
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R%RTt
ValueErrorRRIRR(RlR?tinv_rec((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyR8/s	
	cCsL|jjtjƒjtjjƒjtdƒƒjtj	j
|kƒjƒS(NR(RVRƒRRˆR$RtoptionsRR…R`R(R£(RYtrp_uuid((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_get_all_by_resource_providerCscCs1|j||ƒ}tj|||ƒtj|ƒS(N(RÆR	R§RRˆ(RuRYRÅtdb_inventory_list((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt!get_all_by_resource_provider_uuidKs		(RRR‘R
RªR8R™RšR›RRÆR	R˜RÈ(((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRU&s	R„cBs²eZdZiejƒd6ejdƒd6ejƒd6ejƒd6ejƒd6Zee	j
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cCs@|jjtjƒjd|ƒjƒ}|s<tjƒ‚ndS(NR(RVRƒRR„RŒR)RRI(RYRR‹((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_destroykscCskd|kr'tjddddƒ‚n|j|jƒƒ}|j|j|ƒ}|j|j||ƒdS(NRRdReRfsalready created(RRgR°RhRiRjRk(RlRmRË((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyResscCs|j|j|jƒdS(N(RÌRjR(Rl((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyRp|s(RRR‘R
R’RºR”R»R™RšR›RœRiRÌR	R—ReRp(((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyR„Ss



	cCspxi|D]a}|jj}|j}tjƒjtjtjj	|ktjj|kƒƒ}|j
|ƒqWdS(sÌDeletes any existing allocations that correspond to the allocations to
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    fails, the deletion will also be rolled back.
    N(RRRÉRR)RRR!RRR(Rtallocstalloctrp_idRÉtdel_sql((sS/home/tvault/.virtenv/lib/python2.7/site-packages/nova/objects/resource_provider.pyt_delete_current_allocss
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|
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||<|j%|
dƒq@W||}|rÏt&j'dt$|ƒd	|ƒ‚ni}x6|D].}tjj|jƒ}|jj}||f}||}|j}|d
}|dp9d}|d|d
|}|||krÎt(j)t*dƒitjj+|ƒd6|d6|d6|d6|d6ƒt&j,dtjj+|ƒd	|ƒ‚n||krÜt-d|dd|d|dƒ}|||<qÜqÜWt.|j/ƒƒS(sChecks to see if the supplied allocation records would result in any of
    the inventories involved having their capacity exceeded.

    Raises an InvalidAllocationCapacityExceeded exception if any inventory
    would be exhausted by the allocation. If no inventories would be exceeded
    by the allocation, the function returns a list of `ResourceProvider`
    objects that contain the generation at the time of the check.

    :param conn: SQLalchemy Connection object to use
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