To workaround the issue you can leverage one of the following options:
1. Use any key based authentication method: publicPrivateKey or generatedPublicPrivatekey for remoteAccess in Cloud Template.
2. Automatically change the password on first logon: configure cloudbase-init to force the user to change the password at next logon, by adding to cloudbase-init.conf: first_logon_behaviour=alwaysThe process is covered in the documentation .
3. Manually change the password on first logon.
4. Leverage one of the extensibility components to run a custom script to unmount the cd-rom file once machines are deployed.