As 32 MiB appears to be on the edge of barely enough on C8S:
[ 149.974689] testsuite-13.sh[601]: + dd if=/dev/zero of=/tmp/container.raw bs=1M count=32
[ 150.388423] testsuite-13.sh[1096]: 32+0 records in
[ 150.390721] testsuite-13.sh[1096]: 32+0 records out
[ 150.392450] testsuite-13.sh[1096]:
33554432 bytes (34 MB, 32 MiB) copied, 0.354336 s, 94.7 MB/s
[ 150.396422] testsuite-13.sh[601]: + mkfs.ext4 /tmp/container.raw
[ 150.472209] testsuite-13.sh[1097]: mke2fs 1.45.6 (20-Mar-2020)
[ 150.561303] testsuite-13.sh[1097]: Discarding device blocks: done
[ 150.565438] testsuite-13.sh[1097]: Creating filesystem with 32768 1k blocks and 8192 inodes
[ 150.568301] testsuite-13.sh[1097]: Filesystem UUID:
d8e3c43b-0f1f-4e89-8c26-
100e4a32b64f
[ 150.569777] testsuite-13.sh[1097]: Superblock backups stored on blocks:
[ 150.571135] testsuite-13.sh[1097]: 8193, 24577
[ 150.572751] testsuite-13.sh[1097]: Allocating group tables: done
[ 150.574294] testsuite-13.sh[1097]: Writing inode tables: done
[ 150.598696] testsuite-13.sh[1097]: Creating journal (4096 blocks): done
[ 150.604285] testsuite-13.sh[1097]: Writing superblocks and filesystem accounting information: done
[ 150.612309] testsuite-13.sh[601]: + mount -o loop /tmp/container.raw /tmp/mnt
[ 150.879736] testsuite-13.sh[601]: + cp -r /var/lib/machines/container1/bin ... /tmp/mnt
[ 152.347545] testsuite-13.sh[1104]: cp: cannot create directory '/tmp/mnt/var/log': No space left on device
[ 152.351739] testsuite-13.sh[1104]: cp: cannot create directory '/tmp/mnt/var/tmp': No space left on device
# Prepare a simple raw container
mkdir -p /tmp/mnt
-dd if=/dev/zero of=/tmp/container.raw bs=1M count=32
+dd if=/dev/zero of=/tmp/container.raw bs=1M count=64
mkfs.ext4 /tmp/container.raw
mount -o loop /tmp/container.raw /tmp/mnt
cp -r /var/lib/machines/container1/* /tmp/mnt
create_dummy_container "$template"
# Create a simple image from the just created container template
image="$(mktemp /var/lib/machines/testsuite-13.image-XXX.img)"
- dd if=/dev/zero of="$image" bs=1M count=32
+ dd if=/dev/zero of="$image" bs=1M count=64
mkfs.ext4 "$image"
mkdir -p /mnt
mount -o loop "$image" /mnt