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05-20-2016 02:38 AM
Ucs Central compare/sync within same Ucs Central does not work, I get "object already exists" error and no changes made
The compare/sync function is essential for managing large Ucs Central solutions
Using:
- Ucscentral 1.4(1b)
- UcsPowerTool Suite 2.0.1, Ucs Central Powertool
#User Guide says
#===============================================
$refObj = Get-UcsCentralServiceProfile -Name TestSP -UcsCentral Ucsc-Bidwell-Dev-131a
$diffObj= Get-UcsCentralServiceProfile -Name TestSP -UcsCentral UcsCentral-Dev-Auburn
$compareObj = Compare-UcsCentralManagedObject -ReferenceObject $refObj -DifferenceObject $diffObj
Sync-UcsCentralManagedObject -Difference $compareObj -UcsCentral UcsCentral-Dev-Auburn -Force
#My test: Working on these MOs within same Ucs Central
#===============================================
get-ucscentralorg -level root | add-ucscentralorg -name "SubOrg1" -descr "SubOrg1 Description" -ModifyPresent
get-ucscentralorg -level root | add-ucscentralorg -name "SubOrg2" -descr "SubOrg2 Description" -ModifyPresent
get-ucscentralorg -name "SubOrg1" | add-ucscentralorg -name "SubOrg1_1" -descr "SubOrg1_1 Description" -ModifyPresent
get-ucscentralorg -name "SubOrg2" | add-ucscentralorg -name "SubOrg2_1" -descr "SubOrg2_1 Description" -ModifyPresent
get-ucscentralorg | ? {$_.Name -like "*SubOrg*"} | select Name,Descr,Dn | format-table -AutoSize
| Name | Descr | Dn | |
| ---- | ----- | -- | |
| SubOrg1 SubOrg1 Description org-root/org-SubOrg1 |
SubOrg1_1 SubOrg1_1 Description org-root/org-SubOrg1/org-SubOrg1_1
| SubOrg2 SubOrg2 Description org-root/org-SubOrg2 |
SubOrg2_1 SubOrg2_1 Description org-root/org-SubOrg2/org-SubOrg2_1
#Synchronzing from SubOrg1 to SubOrg2, expecting Descr to be updated, but above mentioned error and no changes
#=================================================================
$refObj = Get-ucscentralorg -name "SubOrg1"
$diffObj= Get-ucscentralorg -name "SubOrg2"
$compareObj = Compare-UcsCentralManagedObject -ReferenceObject $refObj -DifferenceObject $diffObj
$refObj | select Dn
| Dn | |
| -- |
org-root/org-SubOrg1
$diffObj | select Dn
| Dn | |
| -- |
org-root/org-SubOrg2
$compareObj | select Dn
| Dn | |
| -- | |
| org-root/org-SubOrg1 |
org-root/org-SubOrg2
Sync-UcsCentralManagedObject -Difference $compareObj -Force
Sync-UcsCentralManagedObject : JmuUcsCentral2:can't create; object already exists.
At line:1 char:1
+ Sync-UcsCentralManagedObject -Difference $compareObj -Force
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : ResourceExists: (unidentified-fail:String) [Sync-UcsCentralManagedObject], Exception
+ FullyQualifiedErrorId : 103,Cisco.UcsCentral.Cmdlets.SyncUcsCentralManagedObject
get-ucscentralorg | ? {$_.Name -like "*SubOrg*"} | select Name,Descr,Dn | format-table -AutoSize
| Name | Descr | Dn | |
| ---- | ----- | -- | |
| SubOrg1 SubOrg1 Description org-root/org-SubOrg1 |
SubOrg1_1 SubOrg1_1 Description org-root/org-SubOrg1/org-SubOrg1_1
| SubOrg2 SubOrg2 Description org-root/org-SubOrg2 |
SubOrg2_1 SubOrg2_1 Description org-root/org-SubOrg2/org-SubOrg2_1
#Synchronzing from SubOrg1 -hierarchy to SubOrg2 hierarchy, expecting child SubOrg1_1 to be copied to SubOrg2 "Parent", and Descr's to be updated
#but above mentioned error and no changes
#===============================================
$refObj = Get-ucscentralorg -name "SubOrg1" -hierarchy
$diffObj= Get-ucscentralorg -name "SubOrg2" -Hierarchy
$compareObj = Compare-UcsCentralManagedObject -ReferenceObject $refObj -DifferenceObject $diffObj
$refObj | select Dn
| Dn | |
| -- | |
| org-root/org-SubOrg1 | |
| org-root/org-SubOrg1/lacp-default | |
| org-root/org-SubOrg1/org-SubOrg1_1 | |
| org-root/org-SubOrg1/org-SubOrg1_1/lacp-default | |
| org-root/org-SubOrg1/org-SubOrg1_1/src-mask |
org-root/org-SubOrg1/src-mask
$diffObj | select Dn
| Dn | |
| -- | |
| org-root/org-SubOrg2 | |
| org-root/org-SubOrg2/lacp-default | |
| org-root/org-SubOrg2/org-SubOrg2_1 | |
| org-root/org-SubOrg2/org-SubOrg2_1/lacp-default | |
| org-root/org-SubOrg2/org-SubOrg2_1/src-mask |
org-root/org-SubOrg2/src-mask
$compareObj | select Dn
| Dn | |
| -- | |
| org-root/org-SubOrg1 | |
| org-root/org-SubOrg1/lacp-default | |
| org-root/org-SubOrg1/org-SubOrg1_1 | |
| org-root/org-SubOrg1/org-SubOrg1_1/lacp-default | |
| org-root/org-SubOrg2 | |
| org-root/org-SubOrg2/lacp-default | |
| org-root/org-SubOrg2/org-SubOrg2_1 |
org-root/org-SubOrg2/org-SubOrg2_1/lacp-default
Sync-UcsCentralManagedObject -Difference $compareObj -Force
Sync-UcsCentralManagedObject : JmuUcsCentral2:can't create; object already exists.
At line:1 char:1
+ Sync-UcsCentralManagedObject -Difference $compareObj -Force
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : ResourceExists: (unidentified-fail:String) [Sync-UcsCentralManagedObject], Exception
+ FullyQualifiedErrorId : 103,Cisco.UcsCentral.Cmdlets.SyncUcsCentralManagedObject
get-ucscentralorg | ? {$_.Name -like "*SubOrg*"} | select Name,Descr,Dn | format-table -AutoSize
| Name | Descr | Dn | |
| ---- | ----- | -- | |
| SubOrg1 SubOrg1 Description org-root/org-SubOrg1 |
SubOrg1_1 SubOrg1_1 Description org-root/org-SubOrg1/org-SubOrg1_1
| SubOrg2 SubOrg2 Description org-root/org-SubOrg2 |
SubOrg2_1 SubOrg2_1 Description org-root/org-SubOrg2/org-SubOrg2_1
Solved! Go to Solution.
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05-23-2016 11:16 PM
Hi,
you can try the XlateMap parameter if you want to compare and sync mos in hierarchy. XlateMap is hashtable which has Dn's of difference mos as key and Dn's of reference mos as value.
PowerTool C:\> $refObj = Get-ucscentralorg -name "SubOrg1" -Hierarchy
PowerTool C:\> $diffObj= Get-ucscentralorg -name "SubOrg2" -Hierarchy
Now if you compare the $diffObj and $refObj, you will have $compareObj with all the child mos of "SubOrg1" and "SubOrg2". Again all the mo entries in the $compareObj will either be marked as to be created or deleted. So you have to translate the dns of $diffObj so that Compare-UcsCentralMO cmdlet can compare the two objects using XlateMap parameter.
$xlateDn = @{}
$xlateDn['org-root/org-SubOrg2'] = 'org-root/org-SubOrg1'
$xlateDn['org-root/org-SubOrg2/org-SubOrg2_1'] = 'org-root/org-SubOrg1/org-SubOrg1_1'
In above, I am trying to translate two mos in the comparison result. I keep the Dns of $diffObj as keys and Dns of$refObj as value and I will use this $xlateDn in the Compare-UcscentralMo cmdlet.
PowerTool C:\> $compareObj = Compare-UcsCentralManagedObject -ReferenceObject $refObj -DifferenceObject $diffObj -XlateMap $xlateDn
PowerTool C:\> $compareObj
Dn InputObject SideIndicator DiffProperty
-- ----------- ------------- ------------
org-root/org-SubOrg1 Cisco.UcsCentral.OrgOrg => {Descr}
org-root/org-SubOrg1/org-SubOrg1_1 Cisco.UcsCentral.OrgOrg => {Descr, Rn}PowerTool C:\> Sync-UcsCentralManagedObject -Difference $compareObj -Force
Descr : SubOrg2 Description
Level : 1
Name : SubOrg1
UcsCentral : UCSCentral166
Dn : org-root/org-SubOrg1
Rn : org-SubOrg1
Status : modified
XtraProperty : {}Descr : SubOrg2_1 Description
Level : 2
Name : SubOrg1_1
UcsCentral : UCSCentral166
Dn : org-root/org-SubOrg1/org-SubOrg1_1
Rn : org-SubOrg1_1
Status : modifiedXtraProperty : {}
Please let us know if you need any more information.
Thanks,
Vinay Ravish
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05-20-2016 05:26 AM
Comapre/Sync cmdlets are typically used to compare across different UcsCentral.
If you want to use the Comapre/Sync functionality in same UcsCentral, then you have to use -XlateOrg or -XlateMap parameters of Compare-UcsCentralManagedObject cmdlet.
PowerTool C:\> $refObj
Descr : SubOrg1 Description
Level : 1
Name : SubOrg1
UcsCentral : UCSCentral166
Dn : org-root/org-SubOrg1
Rn : org-SubOrg1
Status :
XtraProperty : {}
PowerTool C:\> $diffObj
Descr : SubOrg2 Description
Level : 1
Name : SubOrg2
UcsCentral : UCSCentral166
Dn : org-root/org-SubOrg2
Rn : org-SubOrg2
Status :
XtraProperty : {}
PowerTool C:\>$compareObj = Compare-UcsCentralManagedObject -ReferenceObject $refObj -DifferenceObject $diffObj -XlateOrg "org-root/org-SubOrg1"
PowerTool C:\>
PowerTool C:\>
PowerTool C:\> $compareObj
Dn InputObject SideIndicator DiffProperty
-- ----------- ------------- ------------
org-root/org-SubOrg1 Cisco.UcsCentral.OrgOrg => {Descr}
PowerTool C:\>
PowerTool C:\>
PowerTool C:\> Sync-UcsCentralManagedObject -Difference $compareObj -Force
Descr : SubOrg2 Description
Level : 1
Name : SubOrg1
UcsCentral : UCSCentral166
Dn : org-root/org-SubOrg1
Rn : org-SubOrg1
Status : modified
XtraProperty : {}
After Sync, description of reference object is updated with description of difference object.
Please let us know in case of more query.
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05-20-2016 06:06 AM
Vinay
This is very quick reply and it works for the MO to MO compary/sync!
And I can see, that when I compare two MOs including their children (created with -hierarchy) as I do in the below example, then only the "parent" MOs get compared and synced.
Is there a way to make the compary/sync work for the complete subtrees of two MOs (say "parentMO1" and "parentMO2"), such that both of the below will take place:
- Child MOs under the two "parents" with same "subtree" Dn's, e.g. Dn="parentMO1/ChildMO1" and Dn = "parentMO2/ChildMO1" get compared/sync'ed
- If a child object exists only under the difference "parent" object (say child "parentMO2/ChildMO7"), but not under the reference "parent" (in casu "parentMO1"), then this child will be copied as a child under the reference "parent" (here as "parentMO1/ChildMO7") (I can see that the -deleteNotPresent works ok for the "other way" by deleting children under the reference Parent, which do not exist under the difference Parent)
One way to handle a "subtree" compary/sync could be to "manually" code a "loop" down through both ParentMO subtrees, In this case I would then have to find a way to handle the situation, where a child exists under the difference Parent but not under the reference Parent. My immediate impression is, that there is no way to do compare/sync from a difference MO to a non existing reference MO.
The below test shows that my compare/sync of two subtrees created by -hierarchy only works on the two "Parent" MOs (except for the -deleteNotPresent, which does work (not shown below))
$refObj = Get-ucscentralorg -name "SubOrg1" -hierarchy
$diffObj= Get-ucscentralorg -name "SubOrg2" -Hierarchy
$compareObj = Compare-UcsCentralManagedObject -ReferenceObject $refObj -DifferenceObject $diffObj -XlateOrg "org-root/org-SubOrg1"
$refObj | select Dn
$diffObj | select Dn
$compareObj | select Dn
Sync-UcsCentralManagedObject -Difference $compareObj -Force
get-ucscentralorg | ? {$_.Name -like "*SubOrg*"} | select Name,Descr,Dn | format-table -AutoSize
| Name | Descr | Dn | |
| ---- | ----- | -- | |
| SubOrg1 SubOrg2_1 Description org-root/org-SubOrg1 | <= Update |
SubOrg1_1 SubOrg1_1 Description org-root/org-SubOrg1/org-SubOrg1_1 <= No Update
| SubOrg2 SubOrg2 Description org-root/org-SubOrg2 |
SubOrg2_1 SubOrg2_1 Description org-root/org-SubOrg2/org-SubOrg2_1
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05-23-2016 11:16 PM
Hi,
you can try the XlateMap parameter if you want to compare and sync mos in hierarchy. XlateMap is hashtable which has Dn's of difference mos as key and Dn's of reference mos as value.
PowerTool C:\> $refObj = Get-ucscentralorg -name "SubOrg1" -Hierarchy
PowerTool C:\> $diffObj= Get-ucscentralorg -name "SubOrg2" -Hierarchy
Now if you compare the $diffObj and $refObj, you will have $compareObj with all the child mos of "SubOrg1" and "SubOrg2". Again all the mo entries in the $compareObj will either be marked as to be created or deleted. So you have to translate the dns of $diffObj so that Compare-UcsCentralMO cmdlet can compare the two objects using XlateMap parameter.
$xlateDn = @{}
$xlateDn['org-root/org-SubOrg2'] = 'org-root/org-SubOrg1'
$xlateDn['org-root/org-SubOrg2/org-SubOrg2_1'] = 'org-root/org-SubOrg1/org-SubOrg1_1'
In above, I am trying to translate two mos in the comparison result. I keep the Dns of $diffObj as keys and Dns of$refObj as value and I will use this $xlateDn in the Compare-UcscentralMo cmdlet.
PowerTool C:\> $compareObj = Compare-UcsCentralManagedObject -ReferenceObject $refObj -DifferenceObject $diffObj -XlateMap $xlateDn
PowerTool C:\> $compareObj
Dn InputObject SideIndicator DiffProperty
-- ----------- ------------- ------------
org-root/org-SubOrg1 Cisco.UcsCentral.OrgOrg => {Descr}
org-root/org-SubOrg1/org-SubOrg1_1 Cisco.UcsCentral.OrgOrg => {Descr, Rn}PowerTool C:\> Sync-UcsCentralManagedObject -Difference $compareObj -Force
Descr : SubOrg2 Description
Level : 1
Name : SubOrg1
UcsCentral : UCSCentral166
Dn : org-root/org-SubOrg1
Rn : org-SubOrg1
Status : modified
XtraProperty : {}Descr : SubOrg2_1 Description
Level : 2
Name : SubOrg1_1
UcsCentral : UCSCentral166
Dn : org-root/org-SubOrg1/org-SubOrg1_1
Rn : org-SubOrg1_1
Status : modifiedXtraProperty : {}
Please let us know if you need any more information.
Thanks,
Vinay Ravish
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05-25-2016 05:00 AM
Vinay
Great, I will test and give You feed back
/Jesper
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06-02-2016 06:20 AM
Vinay!
Compare/Sync between two MO subtrees within same Ucs Central works just fine, and I can do with only mapping the "root" Dn's of the two subtress, and then all child MOs with identical Dn's (taking the mapping of the "root" Dn's into account) get synchronized, which is just what I want for this use case. See example below for details
Questions to You:
1. Can You confirm that the above use of Sync between two subtrees within same Ucs Central where I only map the "root" Dn's of the two subtrees, is officially supported by Cisco, and that I am not in "this works but You are on Your own, if issues occur" territory?
2. The compare object generated by the compare operations only contains information ($compareObj.DiffProperty)
about which properties within a given MO, that are different in the two subtrees,
but not the values of these properties in respectively the "reference" and "difference" objects.
Is there any (automatic) way to get the value of these differing properties in both the "reference" and "difference" objects? Here I am thinking of the compare/sync process providing this information directly.
3. I would like to copy a given MO subtree to another place in the "total" subtree within the same Ucs Central system, where this subtree does not exist beforehand. So this is a genuine copy function, not a compare/sync function. Is there a feature to perform this or is Cisco planning to make such feature later (and when). (I understand this will involve some "below the surface" copying functionality since we are working with Powershell objects and "real" objects within the Ucs Central DME itself).
========================
Details of my compare/sync test
========================
#Creating MOs to work on
get-ucscentralorg -level root | add-ucscentralorg -name "SubOrg1" -descr "SubOrg1 Description" -ModifyPresent
get-ucscentralorg -level root | add-ucscentralorg -name "MiddleOrg" |
add-ucscentralorg -name "SubOrg2" -descr "SubOrg2 Description" -ModifyPresent
get-ucscentralorg -name "SubOrg1" |
add-ucscentralorg -name "SubOrgL1" -descr "SubOrg1 L1 Description" -ModifyPresent |
add-ucscentralorg -name "SubOrgL2" -descr "SubOrg1 L2 Description" -ModifyPresent |
add-ucscentralorg -name "SubOrgL3" -descr "SubOrg1 L3 Description" -ModifyPresent
get-ucscentralorg -name "MiddleOrg" -limitscope | get-ucscentralorg -name "SubOrg2" |
add-ucscentralorg -name "SubOrgL1" -descr "SubOrg2 L1 Description" -ModifyPresent |
add-ucscentralorg -name "SubOrgL2" -descr "SubOrg2 L2 Description" -ModifyPresent
get-ucscentralorg | ? {$_.Name -like "*SubOrg*" -or $_.Name -like "*MiddleOrg*"} | select Name,Descr,Dn | format-table -AutoSize
Name Descr Dn
---- ----- --
MiddleOrg org-root/org-MiddleOrg
SubOrg2 SubOrg2 Description org-root/org-MiddleOrg/org-SubOrg2
SubOrgL1 SubOrg2 L1 Description org-root/org-MiddleOrg/org-SubOrg2/org-SubOrgL1
SubOrgL2 SubOrg2 L2 Description org-root/org-MiddleOrg/org-SubOrg2/org-SubOrgL1/org-SubOrgL2
SubOrg1 SubOrg1 Description org-root/org-SubOrg1
SubOrgL1 SubOrg1 L1 Description org-root/org-SubOrg1/org-SubOrgL1
SubOrgL2 SubOrg1 L2 Description org-root/org-SubOrg1/org-SubOrgL1/org-SubOrgL2
SubOrgL3 SubOrg1 L3 Description org-root/org-SubOrg1/org-SubOrgL1/org-SubOrgL2/org-SubOrgL3
#Synchronzing from SubOrg2 -hierarchy to SubOrg3 hierarchy with XlateDn for only the "root" MO of
#the compared subtrees, in casu mapping org-root/org-MiddleOrg/org-SubOrg2 to org-root/org-SubOrg1
#===============================================
$xlateDn = @{}
$xlateDn['org-root/org-MiddleOrg/org-SubOrg2'] = 'org-root/org-SubOrg1'
$refObj = Get-ucscentralorg -name "SubOrg1" -hierarchy
$refObj | select Dn,Descr | Format-Table -AutoSize
$diffObj= get-ucscentralorg -name "MiddleOrg" -limitscope | get-ucscentralorg -name "SubOrg2" -Hierarchy
$diffObj | select Dn,Descr | Format-Table -AutoSize
$compareObj = Compare-UcsCentralManagedObject -ReferenceObject $refObj -DifferenceObject $diffObj -XlateMap $xlateDn
Dn InputObject SideIndicator DiffProperty
-- ----------- ------------- ------------
org-root/org-SubOrg1 Cisco.UcsCentral.OrgOrg => {Descr}
org-root/org-SubOrg1/org-SubOrgL1 Cisco.UcsCentral.OrgOrg => {Descr}
org-root/org-SubOrg1/org-SubOrgL1/or... Cisco.UcsCentral.OrgOrg => {Descr}
org-root/org-SubOrg1/org-SubOrgL1/or... Cisco.UcsCentral.OrgOrg <=
org-root/org-SubOrg1/org-SubOrgL1/or... Cisco.UcsCentral.FabricLacpPolicy <=
org-root/org-SubOrg1/org-SubOrgL1/or... Cisco.UcsCentral.FabricVlanPermit <=
org-root/org-SubOrg1/org-SubOrgL1/or... Cisco.UcsCentral.FabricVlanPermit <=
org-root/org-SubOrg1/org-SubOrgL1/or... Cisco.UcsCentral.FabricVlanPermit <=
Sync-UcsCentralManagedObject -Difference $compareObj -Force
#Result: synchronization happens all the way down (in casu for Descr attr) in the ref and diff MO Subtrees but only for MOs where identical Dns
#(taking #the Dn Xlate into account) exist in the two subtrees. I.e. here for org-root/org-SubOrg1/org-SubOrgL1/org-SubOrgL2/org-SubOrgL3 which
#only exists in the ref subtree, no sync takes place
get-ucscentralorg | ? {$_.Name -like "*SubOrg*"} | select Name,Descr,Dn | format-table -AutoSize
Name Descr Dn
---- ----- --
SubOrg2 SubOrg2 Description org-root/org-MiddleOrg/org-SubOrg2
SubOrgL1 SubOrg2 L1 Description org-root/org-MiddleOrg/org-SubOrg2/org-SubOrgL1
SubOrgL2 SubOrg2 L2 Description org-root/org-MiddleOrg/org-SubOrg2/org-SubOrgL1/org-SubOrgL2
SubOrg1 SubOrg2 Description org-root/org-SubOrg1
SubOrgL1 SubOrg2 L1 Description org-root/org-SubOrg1/org-SubOrgL1
SubOrgL2 SubOrg2 L2 Description org-root/org-SubOrg1/org-SubOrgL1/org-SubOrgL2
SubOrgL3 SubOrg1 L3 Description org-root/org-SubOrg1/org-SubOrgL1/org-SubOrgL2/org-SubOrgL3 <== NOT sync'ed
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