Public bug reported:
For the life of me I cannot get the parameter crypt:dev=/dev/vdb to work
in /etc/overlayroot.conf.
I have tried the line
overlayroot=crypt:dev=/dev/vdb,pass=somepass,mkfs=0
Which works when I create the LUKS device ahead of time, and set the
passphrase 'somepass'. But when I try
overlayroot=crypt:dev=/dev/vdb,mkfs=1
or just
overlayroot=crypt:dev=/dev/vdb
I get no overlay after reboot. I have also tried the "debug=1" parameter
and I'm not getting any debug output either. Where are the logs and/or
where should I be able to see the debug output?
As Dustin has so eloquently documented, it defeats the privacy of your
encryption if you have to specify the passphrase in clear text in your
unencrypted read-only directory. So the only way I will be using this is
if I can use the simple "overlayroot=crypt:dev=/dev/vdb" one-liner and
have the passphrase generated automatically on boot.
** Affects: cloud-initramfs-tools (Ubuntu)
Importance: Undecided
Status: New
** Tags: dm-crypt overlayroot
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https://bugs.launchpad.net/bugs/1634310
Title:
crypt:dev=/dev/vdb parameter does not work with randomly generated
passphrase
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