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image-info: changes related to reading SELinux labels unknown to host

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When `image-info` inspects ostree images, the `/usr/etc` is bind-mounted
to `/etc`. This results in conflicting SELinux policy specification for
these files and makes the outcome dependent on the `setfiles` build.
All the files in `/etc` have mismatch in the expected vs. actual SELinux
context.

Exclude `/etc` from the check of SELinux ctx mismatches in case the
analysed tree is from an ostree-based image.

Sort the list returned `read_selinux_ctx_mismatch()` based on the item's
`filename` key, to make the result consistent across runs.

`image-info` can not read SELinux labels from the images, which are not
known to the host. This makes the report content depend on the host
environment. As a temporary workaround, relabel the image-info script with
osbuild_exec_t label to allow it to read unknown SELinux labels.

Modify documentation in `test/README.md` to explain the issue with
`image-info` and unknown SELinux labels.

Modify the `generate-all-test-cases` to relabel `image-info` before
generating test cases.

Modify the `image_tests.sh` to relabel `image-info` before running image
test cases.

Add 'tar' image for 'rhel-8' on 's390x' back to the matrix of generated
test cases, as it was removed by mistake. Regenerate the image test
case. Remove 'tar' image from 'rhel-84' on 's390x' from the matrix of
generated test cases, as it is not supported.

Regenerate all affected image test cases.

Signed-off-by: Tomas Hozza <thozza@redhat.com>
This commit is contained in:
Tomas Hozza 2021-06-11 12:40:15 +02:00 • committed by Alexander Todorov
parent 95cd5b782e
commit bce603586e
26 changed files with 134 additions and 144862 deletions
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10
test/data/manifests/rhel_8-aarch64-tar-boot.json
View file

@ -5704,6 +5704,11 @@
},
"selinux": {
"context-mismatch": [
{
"actual": "unconfined_u:object_r:rpm_var_lib_t:s0",
"expected": "system_u:object_r:rpm_var_lib_t:s0",
"filename": "/var/lib/rpm/__db.001"
},
{
"actual": "unconfined_u:object_r:rpm_var_lib_t:s0",
"expected": "system_u:object_r:rpm_var_lib_t:s0",
@ -5713,11 +5718,6 @@
"actual": "unconfined_u:object_r:rpm_var_lib_t:s0",
"expected": "system_u:object_r:rpm_var_lib_t:s0",
"filename": "/var/lib/rpm/__db.003"
},
{
"actual": "unconfined_u:object_r:rpm_var_lib_t:s0",
"expected": "system_u:object_r:rpm_var_lib_t:s0",
"filename": "/var/lib/rpm/__db.001"
}
],
"policy": {