Cloud-init doesn't get data from attached virtual CDROM


Problems:

1.- Virtual CDROM not detected!

2018-04-25 08:47:47,254 - util.py[DEBUG]: Running command ['blkid', '-tTYPE=iso9
660', '-odevice'] with allowed return codes [0, 2] (shell=False, capture=True)
2018-04-25 08:47:47,334 - util.py[DEBUG]: Running command ['blkid', '-tLABEL=cid
ata', '-odevice'] with allowed return codes [0, 2] (shell=False, capture=True)
2018-04-25 08:47:47,425 - util.py[DEBUG]: Running command ['blkid', '-odevice',
'/dev/sr0'] with allowed return codes [0, 2] (shell=False, capture=True)

However, CDROM is attached:

(none):~# blkid -tTYPE=iso9660 -odevice
/dev/sr0
(none):~# blkid -tLABEL=cidata -odevice
/dev/sr0
(none):~# blkid -odevice /dev/sr0
/dev/sr0

2.- Error running DMIDECODE

2018-04-25 08:47:48,226 - util.py[DEBUG]: Running command ['/usr/sbin/dmidecode'
, '--string', 'system-product-name'] with allowed return codes [0] (shell=False,
 capture=True)
2018-04-25 08:47:48,236 - DataSourceAltCloud.py[DEBUG]: Failed command: /usr/sbi
n/dmidecode --string system-product-name
Unexpected error while running command.
Command: ['/usr/sbin/dmidecode', '--string', 'system-product-name']
Exit code: -
Reason: [Errno 2] No such file or directory
Stdout: ''
Stderr: ''

However: dmidecode apk is installed

(none):~# apk info dmidecode
dmidecode-3.1-r0 description:
A utility for reporting system hardware as described by BIOS

dmidecode-3.1-r0 webpage:
http://www.nongnu.org/dmidecode

dmidecode-3.1-r0 installed size:
167936

dmidecode-3.1-r0 description:
A utility for reporting system hardware as described by BIOS

dmidecode-3.1-r0 webpage:
http://www.nongnu.org/dmidecode

dmidecode-3.1-r0 installed size:
167936

(none):~# apk info cloud-init
cloud-init-0.7.6-r2 description:
Cloud instance init scripts

cloud-init-0.7.6-r2 webpage:
http://launchpad.net/cloud-init

cloud-init-0.7.6-r2 installed size:
2736128

(none):~# which dmidecode
/usr/sbin/dmidecode
(none):~# /usr/sbin/dmidecode --string system-product-name
Standard PC (i440FX + PIIX, 1996)

===========
Extra info:
===========
1.- The CDROM is indeed attached to /dev/sr0 and the contents is what
other cloud-init images expect

(none):~# mount -t iso9660 /dev/sr0 /media/cdrom/

(none):~# ls /media/cdrom
meta-data  user-data
(none):~# cat /media/cdrom/meta-data
instance-id: alpine
local-hostname: alpine
(none):~# cat /media/cdrom/user-data
#cloud-config

preserve_hostname: False
hostname: alpine
fqdn: alpine.local

# configure interaction with ssh server
ssh_svcname: ssh
ssh_deletekeys: True
ssh_genkeytypes: ['rsa', 'ecdsa']

ssh_authorized_keys:
  - ssh-rsa #### deleted my public key ####

users:
  - default
    shell: /bin/bash
    groups: [ admin, sudoers ]
    sudo: ALL=(ALL) NOPASSWD:ALL
output:
  all: ">> /var/log/alpine-init.log"