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1. Edit LDAP Security Group (see EditLDAPsecuritygroup);
2. Backup existing LDAP machine using the following documentation: EWC - How to create and restore backups from VMs (VM Images Backup)
3. Check the Operating System of your LDAP from Morpheus, Provisioning → Instances → select LDAP machine ;
   1. If your LDAP is rocky 8 based → jump to step 10. 
      
   2. If your LDAP is centos7 based → continue to step 4.

4. Prepare the following information knowing that your OLD_LDAP is centos7 based and NEW_LDAP is rocky8 based:

   • DNS_HOSTED_ZONE→ logging in Morpheus → Tools → Cypher and check the following secret → secret/ldap_domain
   • OLD_LDAP_SERVER_NAME → Name of the server from Openstack → you can find the name from openstack server list command
   • OLD_LDAP_PRIVATE_IP → logging in Morpheus → Provisioning → Instances, check your OLD LDAP VM IP address
   • OLD_LDAP_HOSTNAME → logging in Morpheus → Tools → Cypher and check the following secret → secret/ldap_hostname
   • NEW_LDAP_SERVER_NAME → Name of the server from Openstack → you can find the name from openstack server list command
     
   • NEW_LDAP_PRIVATE_IP → logging in Morpheus → Provisioning → Instances, check your new LDAP VM IP address
   • NEW_LDAP_HOSTNAME → <name-of-the-machine>.<tenancy-domain> where tenancy-domain → logging in Morpheus → Tools → Cypher and check the following secret → secret/ldap_domain (e.g. the result should be something like ldap-test-rocky.eumetsat.sandbox.ewc). Alternatively you can find it in /etc/hosts file in your new LDAP machine
5. Create LDAP replica instance type to move from centos7 to rocky 8 (see MigratefromCentos7toRocky8);
6. Make new LDAP machine primary (see PreparenewLDAPmachine );
7. Switch IP interfaces between LDAPs (see SwitchIPinterfacesbetweenLDAPs);
8. Update Morpheus (see UpdateMorpheus );
9. Check everything is working fine (see Tests);
   

10. Prepare the following information knowing that your OLD_LDAP is rocky8 based and NEW_LDAP is rocky9 based:

    • DNS_HOSTED_ZONE→ logging in Morpheus → Tools → Cypher and check the following secret → secret/ldap_domain
    • OLD_LDAP_SERVER_NAME → Name of the server from Openstack → you can find the name from openstack server list command
    • OLD_LDAP_PRIVATE_IP → logging in Morpheus → Provisioning → Instances, check your OLD LDAP VM IP address
    • OLD_LDAP_HOSTNAME → logging in Morpheus → Tools → Cypher and check the following secret → secret/ldap_hostname
    • NEW_LDAP_SERVER_NAME → Name of the server from Openstack → you can find the name from openstack server list command
      
    • NEW_LDAP_PRIVATE_IP → logging in Morpheus → Provisioning → Instances, check your new LDAP VM IP address
    • NEW_LDAP_HOSTNAME → <name-of-the-machine>.<tenancy-domain> where tenancy-domain → logging in Morpheus → Tools → Cypher and check the following secret → secret/ldap_domain (e.g. the result should be something like ldap-test-rocky.eumetsat.sandbox.ewc). Alternatively you can find it in /etc/hosts file in your new LDAP machine
11. Create LDAP replica instance type to move from rocky 8 to rocky 9 (see MigratefromRocky8toRocky9)
12. Make new LDAP machine primary (see PreparenewLDAPmachine );
13. Switch IP interfaces between LDAPs (see SwitchIPinterfacesbetweenLDAPs);
14. Update Morpheus (see UpdateMorpheus );
15. Check everything is working fine (see Tests);
16. Delete old LDAP machine/s to free resources (see Delete a VM from Morpheus).

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