LDAP data migration: how to convert LDIF file?

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April 7th, 2008, 06:53 AM

ldap2255

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Join Date: Apr 2008

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LDAP data migration: how to convert LDIF file?

Hi,

I am about to prepare LDAP data migration and it contains:
- export of 3 LDAP entries to LDIF file;
- conversion of that LDIF file (attr names change and removal) using the schema file;
- import of converted LDIF file to LDAP.

Every phase is done by sh script.

Export is a query of LDAP for a specified objectClass value
(ie.

Code:

# ldapacmx.pl --direcyQuery "(objectClass=Cluster)"

)
and write to a file.
Result of an export is a following LDIF file:

Code:

cn=Customer 
dn=cn=Customer,ou=manager,ou=scconfig,ou=config,ou=region-987654,ou=regions,ou=company,dc=lab,dc=net 
CustomerId=123456 
CustomerName=ABC 
objectClass=top 
objectClass=Customer 

CompanyTargetId=987654 
cn=Cluster 
CurrentSerialAlphabet=K 
dn=cn=Cluster,ou=manager,ou=scconfig,ou=config,ou=region-987654,ou=regions,ou=company,dc=lab,dc=net 
objectClass=top 
objectClass=Cluster 
ClusterStartAlphabet=K 
ClusterEndAlphabet=K 

cn=Directory 
SystemDefOrderFileDir=OrderAttachments 
dn=cn=Directory,ou=manager,ou=scconfig,ou=config,ou=region-987654,ou=regions,ou=company,dc=lab,dc=net 
SystemDefImportDir=FilesToImport 
objectClass=top 
objectClass=Directory

Schema file is as follows:

Code:

dn: cn=schema 

attributeTypes: ( 
  1.3.6.1.4.1.94.1.55.10.1.1 
  NAME 'CustomerId' 
  DESC 'The ID of the customer.' 
  EQUALITY caseIgnoreMatch 
  SUBSTR caseIgnoreSubstringsMatch 
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 
  ) 
# 
#******************************************************************** 
# 
attributeTypes: ( 
  1.3.6.1.4.1.94.1.55.10.1.2 
  NAME 'CustomerName' 
  DESC 'The Name of the customer.' 
  EQUALITY caseIgnoreMatch 
  SUBSTR caseIgnoreSubstringsMatch 
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 
  ) 
# 
#******************************************************************** 
# 
attributeTypes: ( 
  1.3.6.1.4.1.94.1.55.10.1.3 
  NAME 'ClusterStartAlphabet' 
  DESC 'The Start Alphabet for the cluster used in generation of ABC 
files.' 
  EQUALITY caseIgnoreMatch 
  SUBSTR caseIgnoreSubstringsMatch 
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 
  SINGLE-VALUE 
  ) 
# 
#******************************************************************** 
# 
attributeTypes: ( 
  1.3.6.1.4.1.94.1.55.10.1.4 
  NAME 'ClusterEndAlphabet' 
  DESC 'The End Alphabet for the cluster used in generation of ABC 
files.' 
  EQUALITY caseIgnoreMatch 
  SUBSTR caseIgnoreSubstringsMatch 
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 
  SINGLE-VALUE 
  ) 
# 
#******************************************************************** 
# 
attributeTypes: ( 
  1.3.6.1.4.1.94.1.55.10.1.5 
  NAME 'CurrentAlphabet' 
  DESC 'The running alphabet for generation of ABC files' 
  EQUALITY caseIgnoreMatch 
  SUBSTR caseIgnoreSubstringsMatch 
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 
  SINGLE-VALUE 
  ) 
# 
#******************************************************************** 
# 
attributeTypes: ( 
  1.3.6.1.4.1.94.1.55.10.1.8 
  NAME 'CompanyTargetId' 
  DESC 'The Target Id of the Company Cluster' 
  EQUALITY caseIgnoreMatch 
  SUBSTR caseIgnoreSubstringsMatch 
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 
  SINGLE-VALUE 
  ) 
# 
#******************************************************************** 
# 
attributeTypes: ( 
  1.3.6.1.4.1.94.1.55.10.1.6 
  NAME 'ImportDir' 
  DESC 'The default directory for importing ABC files.' 
  EQUALITY caseIgnoreMatch 
  SUBSTR caseIgnoreSubstringsMatch 
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 
  SINGLE-VALUE 
  ) 
# 
# 
objectClasses: ( 
  1.3.6.1.4.1.94.1.55.10.2.1 
  NAME 'Customer' 
  DESC 'The customer specific details.' 
  SUP top 
  MUST ( cn $ CustomerId $ CustomerName ) 
  ) 
# 
#******************************************************************** 
# 
objectClasses: ( 
  1.3.6.1.4.1.94.1.55.10.2.2 
  NAME 'Cluster' 
  DESC 'The cluster specific details.' 
  SUP top 
  MUST ( cn $ ClusterStartAlphabet $ ClusterEndAlphabet $ 
CurrentAlphabet $ CompanyTargetId) 
  ) 
# 
#******************************************************************** 
# 
objectClasses: ( 
  1.3.6.1.4.1.94.1.55.10.2.3 
  NAME 'Directory' 
  DESC 'The default directories used by ABC application.' 
  SUP top 
  MUST ( cn $ ImportDir ) 
  ) 
# 
#******************************************************************** 
# 
# 
# 
# 
# EOF

I would like to convert exported file using schema file above and get following:

Code:

cn=customer 
dn=cn=customer,ou=manager,ou=scconfig,dc=lab,dc=net 
CustomerId=123456 
CustomerName=ABC 
objectClass=top 
objectClass=Customer 

CompanyTargetId=987654 
cn=cluster 
CurrentAlphabet=K 
dn=cn=cluster,ou=manager,ou=scconfig,dc=lab,dc=net 
objectClass=top 
objectClass=Cluster 
ClusterStartAlphabet=K 
ClusterEndAlphabet=K 

cn=directory 
dn=cn=directory,ou=manager,ou=scconfig,dc=lab,dc=net 
ImportDir=FilesToImport 
objectClass=top 
objectClass=Directory

I got some questions about that operation:
- How to do that?

and is it safe to use tools like sed or awk in this case?;
- Is it correct that LDAP entry begins with a line different than "dn=..." because I do not know if I can import a file that is exported and converted in the way above and I do not have to change lines order in the entry then.
I have not found a confirmation anywhere but many examples from web always begin with "dn=..."

Big thanks for support.

With regards,
-XYZ

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