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systests: add a last-minute check for db backend

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This will only fail if someone ever adds a system test that
runs podman with "--db-backend boltdb", which nobody should
ever do, but this is a cheap way to make sure it never happens.

See #20563

Signed-off-by: Ed Santiago <santiago@redhat.com>
This commit is contained in:
Ed Santiago
2023-11-06 05:58:48 -07:00
parent 886f932b0a
commit 92cd7b25f2
2 changed files with 36 additions and 2 deletions
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8
test/system/005-info.bats
View File

@ -96,6 +96,11 @@ host.slirp4netns.executable | $expr_path
}
@test "podman info - confirm desired database" {
# Always run this and preserve its value. We will check again in 999-*.bats
run_podman info --format '{{.Host.DatabaseBackend}}'
db_backend="$output"
echo "$db_backend" > $BATS_SUITE_TMPDIR/db-backend
if [[ -z "$CI_DESIRED_DATABASE" ]]; then
# When running in Cirrus, CI_DESIRED_DATABASE *must* be defined
# in .cirrus.yml so we can double-check that all CI VMs are
@ -109,8 +114,7 @@ host.slirp4netns.executable | $expr_path
skip "CI_DESIRED_DATABASE is unset--OK, because we're not in Cirrus"
fi
run_podman info --format '{{.Host.DatabaseBackend}}'
is "$output" "$CI_DESIRED_DATABASE" "CI_DESIRED_DATABASE (from .cirrus.yml)"
is "$db_backend" "$CI_DESIRED_DATABASE" "CI_DESIRED_DATABASE (from .cirrus.yml)"
}

30
test/system/999-final.bats Normal file
View File

@ -0,0 +1,30 @@
#!/usr/bin/env bats
#
# Final set of tests to run.
#
load helpers
# Confirm that we're still using the same database we started with.
#
# This should never fail! If it does, it means that some test somewhere
# has run podman with --db-backend, which is known to wreak havoc.
#
# See https://github.com/containers/podman/issues/20563
@test "podman database backend has not changed" {
# File is always written in 005-info.bats. It must always exist
# by the time we get here...
db_backend_file=$BATS_SUITE_TMPDIR/db-backend
if [[ ! -e "$db_backend_file" ]]; then
# ...except in a manual run like "hack/bats 999"
if [[ $BATS_SUITE_TEST_NUMBER -le 5 ]]; then
skip "$db_backend_file missing, but this is a short manual bats run, so, ok"
fi
die "Internal error: $db_backend_file does not exist! (check 005-*.bats)"
fi
run_podman info --format '{{.Host.DatabaseBackend}}'
assert "$output" = "$(<$db_backend_file)" ".Host.DatabaseBackend has changed!"
}