./scripts/curtinator: line 132: $3: unbound variable

[Sean Wheller]

curtinator fails to complete. Exits with 'error unbound variable'

Packages installed:
qemu-kvm libvirt-bin virt-viewer genisoimage libguestfs-tools gettext-base ovmf

:~/curtinator$ whoami
sean

:~/curtinator$ groups
sean mail sudo kvm libvirt docker

:~/curtinator$ sudo cat /etc/group | grep libvirt
libvirt:x:129:sean
libvirt-qemu:x:64055:libvirt-qemu
libvirt-dnsmasq:x:130:

:~/curtinator$ sudo cat /etc/group | grep kvm
kvm:x:127:sean

There is no libvirtd group as per README.

$ uname -a
Linux 4439C45082E6.enbaya.lan 4.15.0-88-generic #88-Ubuntu SMP Tue Feb 11 20:11:34 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

:~/curtinator$ bzr update
Tree is up to date at revision 16 of branch /home/sean/curtinator

:~/curtinator$ ls
curtinator-oem data README scripts ubuntu-18.04.4-desktop-amd64.iso

:~/curtinator$ sudo ./scripts/curtinator ubuntu-18.04.4-desktop-amd64.iso
Extracting ubuntu-18.04.4-desktop-amd64.iso to ubuntu-18.04.4-desktop-amd64
Creating ubuntu-18.04.4-desktop-amd64/casper/preseed.cfg
Patching ubuntu-18.04.4-desktop-amd64/casper/initrd with ubuntu-18.04.4-desktop-amd64/casper/preseed.cfg
./scripts/curtinator: line 132: $3: unbound variable
Cleaning environment!

:~/curtinator$ ls
curtinator-oem data README scripts ubuntu-18.04.4-desktop-amd64 ubuntu-18.04.4-desktop-amd64.iso

[Daniel Manrique (roadmr)]

Curtinator doesn't know about 18.04, this results in this rather obtuse error.

There's a table of known Ubuntu versions around line 169:

function patch_initrd() {
    local distribution=$1; shift
    local initrd=$1; shift
    local files=$@

    local bs=""

    temp=$(mktemp)

    # only needed for 18.10 and beyond
    # the following are also released later than 18.10
    # 14.04.6
    # 18.04.3
    case $distribution in
        14.04.6) bs=1576592;;
        16.04.6) bs=1605632;;
        18.04.3) bs=2441216;;
        18.10) bs=1605632;;
        19.04) bs=2092032;;
    esac

This needs to be augmented with 18.04, but I don't know how to obtain the correct bs value. I think taihsiang would need to determine that.

[Daniel Manrique (roadmr)]

As a workaround, use 18.04.3, 18.10 or 19.04 :)

[Sean Wheller (seanwhe)]

@roadmr thanks a million.

I found an 18.04.3 over at http://old-releases.ubuntu.com/releases/18.04.3/

Downloaded and executed successfully. Would be nice to know what the 'bs' is and how to obtain it. Perhaps something for the 'README'.

:~/curtinator$ sudo ./scripts/curtinator ubuntu-18.04.3-desktop-amd64.iso
Extracting ubuntu-18.04.3-desktop-amd64.iso to ubuntu-18.04.3-desktop-amd64
Creating ubuntu-18.04.3-desktop-amd64/casper/preseed.cfg
Patching ubuntu-18.04.3-desktop-amd64/casper/initrd with ubuntu-18.04.3-desktop-amd64/casper/preseed.cfg
16+1 records in
16+1 records out
39566787 bytes (40 MB, 38 MiB) copied, 2.37745 s, 16.6 MB/s
152576+0 records in
152576+0 records out
2441216 bytes (2.4 MB, 2.3 MiB) copied, 0.29024 s, 8.4 MB/s
Creating ubuntu-18.04.3-desktop-amd64/root.qcow2
Creating ubuntu-18.04.3-desktop-amd64/libvirt.xml
Starting domain ubuntu-18.04.3-desktop-amd64
Domain ubuntu-18.04.3-desktop-amd64 defined from ubuntu-18.04.3-desktop-amd64/libvirt.xml

Domain ubuntu-18.04.3-desktop-amd64 started

Installing, run this command for progress:
# virt-viewer ubuntu-18.04.3-desktop-amd64

/home/sean/curtinator
Finished /home/sean/curtinator/ubuntu-18.04.3-desktop-amd64/ubuntu-18.04.3-desktop-amd64.tar.gz
Cleaning environment!

Domain ubuntu-18.04.3-desktop-amd64 has been undefined

:~/curtinator$ ls -lash
total 2.0G
4.0K drwxrwxr-x 7 sean sean 4.0K Feb 20 18:02 .
4.0K drwxr-xr-x 68 sean sean 4.0K Feb 20 17:57 ..
4.0K drwxrwxr-x 6 sean sean 4.0K Feb 19 18:55 .bzr
4.0K drwxrwxr-x 4 sean sean 4.0K Feb 19 18:55 curtinator-oem
4.0K drwxrwxr-x 2 sean sean 4.0K Feb 19 18:55 data
4.0K -rw-rw-r-- 1 sean sean 1.7K Feb 19 18:55 README
4.0K drwxrwxr-x 2 sean sean 4.0K Feb 20 14:35 scripts
4.0K drwxr-xr-x 5 root root 4.0K Feb 20 18:14 ubuntu-18.04.3-desktop-amd64
2.0G -rw-rw-r-- 1 libvirt-qemu kvm 2.0G Aug 5 2019 ubuntu-18.04.3-desktop-amd64.iso

:~/curtinator$ ls -lash ubuntu-18.04.3-desktop-amd64
total 8.3G
4.0K drwxr-xr-x 5 root root 4.0K Feb 20 18:14 .
4.0K drwxrwxr-x 7 sean sean 4.0K Feb 20 18:02 ..
4.0K drwxr-xr-x 2 root root 4.0K Feb 20 18:02 casper
4.0K drwxr-xr-x 2 root root 4.0K Feb 20 18:02 .disk
4.0K -rw-r--r-- 1 root root 820 Feb 20 18:14 libvirt.xml
4.0K drwxr-xr-x 2 root root 4.0K Feb 20 18:02 preseed
6.4G -rw-r--r-- 1 root root 6.4G Feb 20 18:10 root.qcow2
1.9G -rw-r--r-- 1 root root 1.9G Feb 20 18:14 ubuntu-18.04.3-desktop-amd64.tar.gz