root@localhost:/vagrant# dpkg -i puppetdb_3.0.0-1puppetlabs1_all.deb
(Reading database ... 50968 files and directories currently installed.)
Preparing to replace puppetdb 2.3.5-1puppetlabs1 (using puppetdb_3.0.0-1puppetlabs1_all.deb) ...
usermod: no changes
Unpacking replacement puppetdb ...
dpkg: warning: unable to delete old directory '/etc/puppetdb/conf.d': Directory not empty
dpkg: warning: unable to delete old directory '/etc/puppetdb': Directory not empty
dpkg: warning: unable to delete old directory '/var/log/puppetdb': Directory not empty
dpkg: warning: unable to delete old directory '/var/lib/puppetdb/mq': Directory not empty
dpkg: warning: unable to delete old directory '/var/lib/puppetdb/db': Directory not empty
dpkg: warning: unable to delete old directory '/var/lib/puppetdb': Directory not empty
Setting up puppetdb (3.0.0-1puppetlabs1) ...
Installing new version of config file /etc/default/puppetdb ...
Installing new version of config file /etc/logrotate.d/puppetdb ...
Installing new version of config file /etc/init.d/puppetdb ...
Migrating configuration files /tmp/puppetdb-orig-configs/jetty.ini /tmp/puppetdb-orig-configs/database.ini /tmp/puppetdb-orig-configs/config.ini to /etc/puppetlabs/puppetdb/conf.d
Replacing: /etc/puppetlabs/puppetdb/conf.d/jetty.ini with /tmp/puppetdb-orig-configs/jetty.ini
Replacing: /etc/puppetlabs/puppetdb/conf.d/database.ini with /tmp/puppetdb-orig-configs/database.ini
Replacing: /etc/puppetlabs/puppetdb/conf.d/config.ini with /tmp/puppetdb-orig-configs/config.ini
Checking to see if we need to update default settings
Backing up /etc/puppetlabs/puppetdb/conf.d/config.ini to /etc/puppetlabs/puppetdb/conf.d/config.ini.bak.1436403369 before making changes
Updated setting vardir in /etc/puppetlabs/puppetdb/conf.d/config.ini.
Replacing: /opt/puppetlabs/server/data/puppetdb with /var/lib/puppetdb
Updated setting logging-config in /etc/puppetlabs/puppetdb/conf.d/config.ini.
Backing up /etc/puppetlabs/puppetdb/conf.d/jetty.ini to /etc/puppetlabs/puppetdb/conf.d/jetty.ini.bak.1436403369 before making changes
Updated setting ssl-key in /etc/puppetlabs/puppetdb/conf.d/jetty.ini.
Copying: /etc/puppetdb/ssl/private.pem to /etc/puppetlabs/puppetdb/ssl/private.pem
Updated setting ssl-cert in /etc/puppetlabs/puppetdb/conf.d/jetty.ini.
Copying: /etc/puppetdb/ssl/public.pem to /etc/puppetlabs/puppetdb/ssl/public.pem
Updated setting ssl-ca-cert in /etc/puppetlabs/puppetdb/conf.d/jetty.ini.
Copying: /etc/puppetdb/ssl/ca.pem to /etc/puppetlabs/puppetdb/ssl/ca.pem
Backing up /etc/puppetlabs/puppetdb/conf.d/database.ini to /etc/puppetlabs/puppetdb/conf.d/database.ini.bak.1436403369 before making changes
Updated setting subname in /etc/puppetlabs/puppetdb/conf.d/database.ini.
Copying over the contents of /var/lib/puppetdb/db to /opt/puppetlabs/server/data/puppetdb/db
Warning: Unable to find the path to copy

  This tool requires the following to exist:

  * /var/lib/puppetdb/db

  Re-run this tool then restart PuppetDB to complete the config
  setup:

      puppetdb config-migration
cleaning up old config files
Removing /etc/puppetdb/conf.d/jetty.ini
Removing /etc/puppetdb/conf.d/database.ini
Removing /etc/puppetdb/conf.d/config.ini
Modifications may have been made to PuppetDB config files. To ensure these changes have been picked up, please do the following:
  1) upgrade the puppetdb-termini package
  2) restart the puppetdb service
  3) restart the puppetserver service
PEM files in /etc/puppetlabs/puppetdb/ssl already exists, checking integrity.
Setting ssl-host in /etc/puppetlabs/puppetdb/conf.d/jetty.ini already correct.
Setting ssl-port in /etc/puppetlabs/puppetdb/conf.d/jetty.ini already correct.
Setting ssl-key in /etc/puppetlabs/puppetdb/conf.d/jetty.ini already correct.
Setting ssl-cert in /etc/puppetlabs/puppetdb/conf.d/jetty.ini already correct.
Setting ssl-ca-cert in /etc/puppetlabs/puppetdb/conf.d/jetty.ini already correct.