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test-execute: add test for NetworkNamespacePath=

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Prompted by https://github.com/systemd/systemd/issues/26422#issuecomment-1435772839.
This commit is contained in:
Yu Watanabe 2023-03-04 02:43:02 +09:00
parent c9a2563225
commit 600ed5c242
3 changed files with 51 additions and 0 deletions
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19
src/test/test-execute.c
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@ -1065,6 +1065,19 @@ static void test_exec_privatenetwork(Manager *m) {
test(m, "exec-privatenetwork-yes-privatemounts-yes.service", status, CLD_EXITED);
}
static void test_exec_networknamespacepath(Manager *m) {
int r;
r = find_executable("ip", NULL);
if (r < 0) {
log_notice_errno(r, "Skipping %s, could not find ip binary: %m", __func__);
return;
}
test(m, "exec-networknamespacepath-privatemounts-no.service", MANAGER_IS_SYSTEM(m) ? EXIT_SUCCESS : EXIT_FAILURE, CLD_EXITED);
test(m, "exec-networknamespacepath-privatemounts-yes.service", can_unshare ? EXIT_SUCCESS : EXIT_FAILURE, CLD_EXITED);
}
static void test_exec_oomscoreadjust(Manager *m) {
test(m, "exec-oomscoreadjust-positive.service", 0, CLD_EXITED);
@ -1168,6 +1181,7 @@ static void run_tests(LookupScope scope, char **patterns) {
entry(test_exec_inaccessiblepaths),
entry(test_exec_ioschedulingclass),
entry(test_exec_mount_apivfs),
entry(test_exec_networknamespacepath),
entry(test_exec_noexecpaths),
entry(test_exec_oomscoreadjust),
entry(test_exec_passenvironment),
@ -1378,11 +1392,16 @@ static int intro(void) {
/* Create dummy network interface for testing PrivateNetwork=yes */
(void) system("ip link add dummy-test-exec type dummy");
/* Create a network namespace and a dummy interface in it for NetworkNamespacePath= */
(void) system("ip netns add test-execute-netns");
(void) system("ip netns exec test-execute-netns ip link add dummy-test-ns type dummy");
return EXIT_SUCCESS;
}
static int outro(void) {
(void) system("ip link del dummy-test-exec");
(void) system("ip netns del test-execute-netns");
(void) rmdir(PRIVATE_UNIT_DIR);
return EXIT_SUCCESS;

16
test/test-execute/exec-networknamespacepath-privatemounts-no.service Normal file
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@ -0,0 +1,16 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[Unit]
Description=Test for NetworkNamespacePath= without mount namespacing
[Service]
ExecStart=/bin/sh -x -c '! ip link show dummy-test-exec'
ExecStart=/bin/sh -x -c 'test ! -e /proc/sys/net/ipv4/conf/dummy-test-exec'
# Without mount namespacing, we can access the dummy-test-exec interface through sysfs.
ExecStart=/bin/sh -x -c 'test -e /sys/class/net/dummy-test-exec'
ExecStart=/bin/sh -x -c 'ip link show dummy-test-ns'
ExecStart=/bin/sh -x -c 'test -e /proc/sys/net/ipv4/conf/dummy-test-ns'
# Without mount namespacing, we cannot access the dummy-test-ns interface through sysfs.
ExecStart=/bin/sh -x -c 'test ! -e /sys/class/net/dummy-test-ns'
Type=oneshot
NetworkNamespacePath=/run/netns/test-execute-netns
PrivateMounts=no

16
test/test-execute/exec-networknamespacepath-privatemounts-yes.service Normal file
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@ -0,0 +1,16 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[Unit]
Description=Test for NetworkNamespacePath= with mount namespacing
[Service]
ExecStart=/bin/sh -x -c '! ip link show dummy-test-exec'
ExecStart=/bin/sh -x -c 'test ! -e /proc/sys/net/ipv4/conf/dummy-test-exec'
# With mount namespacing, we cannot access the dummy-test-exec interface through sysfs.
ExecStart=/bin/sh -x -c 'test ! -e /sys/class/net/dummy-test-exec'
ExecStart=/bin/sh -x -c 'ip link show dummy-test-ns'
ExecStart=/bin/sh -x -c 'test -e /proc/sys/net/ipv4/conf/dummy-test-ns'
# With mount namespacing, we can access the dummy-test-ns interface through sysfs.
ExecStart=/bin/sh -x -c 'test -e /sys/class/net/dummy-test-ns'
Type=oneshot
NetworkNamespacePath=/run/netns/test-execute-netns
# NetworkNamespacePath= implies PrivateMounts=yes