blob: 597da5a09426783d8c653d8db14ea71d11fa27b4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
#!/bin/bash
set -xeuo pipefail
# https://github.com/ostreedev/ostree/issues/2670
. ${KOLA_EXT_DATA}/libinsttest.sh
# make two fake ostree commits with modified kernels of about the same size
cd /root
mkdir -p rootfs/usr/lib/modules/`uname -r`
cp /usr/lib/modules/`uname -r`/vmlinuz rootfs/usr/lib/modules/`uname -r`
echo 1 >> rootfs/usr/lib/modules/`uname -r`/vmlinuz
ostree commit --base "${host_refspec}" -P --tree=dir=rootfs -b modkernel1
echo 1 >> rootfs/usr/lib/modules/`uname -r`/vmlinuz
ostree commit --base "${host_refspec}" -P --tree=dir=rootfs -b modkernel2
assert_bootfs_has_n_bootcsum_dirs() {
local expected=$1; shift
local actual
actual=$(ls -d /boot/ostree/${host_osname}-* | wc -l)
if [ "$expected" != "$actual" ]; then
ls -l /boot/ostree
assert_not_reached "expected $expected bootcsum dirs, found $actual"
fi
}
consume_bootfs_space() {
local free_blocks=$(stat --file-system /boot -c '%a')
local block_size=$(stat --file-system /boot -c '%s')
# leave 1 block free
unshare -m bash -c \
"mount -o rw,remount /boot && \
dd if=/dev/zero of=/boot/bigfile count=$((free_blocks-1)) bs=${block_size}"
}
unconsume_bootfs_space() {
unshare -m bash -c "mount -o rw,remount /boot && rm /boot/bigfile"
}
assert_bootfs_has_n_bootcsum_dirs 1
# first, deploy our second deployment on a filled up bootfs
# the booted deployment is never pruned, so this is a hopeless case and auto-pruning can't save us
consume_bootfs_space
rpm-ostree rebase :modkernel1
if OSTREE_SYSROOT_OPTS=early-prune ostree admin finalize-staged |& tee out.txt; then
assert_not_reached "successfully wrote to filled up bootfs"
fi
assert_file_has_content out.txt "No space left on device"
rm out.txt
unconsume_bootfs_space
rpm-ostree cleanup -bpr
# OK, now deploy our second deployment for realsies on a bootfs with ample space
# and sanity-check that auto-pruning doesn't kick in
assert_bootfs_has_n_bootcsum_dirs 1
rpm-ostree rebase :modkernel1
OSTREE_SYSROOT_OPTS=early-prune ostree admin finalize-staged |& tee out.txt
assert_not_file_has_content out.txt "updating bootloader in two steps"
rm out.txt
# and put it in rollback position; this is the deployment that'll get auto-pruned
rpm-ostree rollback
assert_bootfs_has_n_bootcsum_dirs 2
bootloader_orig=$(sha256sum /boot/loader/entries/*)
# now try to deploy a third deployment without early pruning; we should hit ENOSPC
consume_bootfs_space
rpm-ostree rebase :modkernel2
if ostree admin finalize-staged |& tee out.txt; then
assert_not_reached "successfully wrote kernel without auto-pruning"
fi
assert_file_has_content out.txt "No space left on device"
rm out.txt
# there's 3 bootcsums now because it'll also have the partially written
# bootcsum dir we were creating when we hit ENOSPC; this verifies that all the
# deployments have different bootcsums
assert_bootfs_has_n_bootcsum_dirs 3
# but the bootloader wasn't updated
assert_streq "$bootloader_orig" "$(sha256sum /boot/loader/entries/*)"
# now, try again but with auto-pruning enabled
rpm-ostree rebase :modkernel2
OSTREE_SYSROOT_OPTS=early-prune ostree admin finalize-staged |& tee out.txt
assert_file_has_content out.txt "updating bootloader in two steps"
rm out.txt
assert_bootfs_has_n_bootcsum_dirs 2
assert_not_streq "$bootloader_orig" "$(sha256sum /boot/loader/entries/*)"
echo "ok bootfs auto-prune"
|
