kazulog@sv2:~$ sudo ls -l /var/log/cloud-init.log /var/log/cloud-init-output.log
-rw-r----- 1 root   adm   4059 Sep 10 19:42 /var/log/cloud-init-output.log
-rw-r----- 1 syslog adm 109119 Sep 10 19:42 /var/log/cloud-init.log
kazulog@sv2:~$ cat /var/lib/cloud/data/instance-id
ubuntu