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Add integration tests for cgroup devices

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Signed-off-by: Eduardo Vega <edvegavalerio@gmail.com>
This commit is contained in:
Eduardo Vega
2020-09-04 19:53:09 -06:00
parent 165ecd2639
commit ce24d60331
1 changed files with 70 additions and 0 deletions
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tests/integration/dev.bats
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@@ -33,3 +33,73 @@ function teardown() {
[ "$status" -eq 0 ]
[[ "${lines[0]}" =~ "crw-rw-rw".+"1".+"0".+"0".+"5,".+"2".+"/dev/ptmx" ]]
}
@test "runc run [device cgroup deny]" {
requires root
update_config ' .linux.resources.devices = [{"allow": false, "access": "rwm"}]
| .linux.devices = [{"path": "/dev/kmsg", "type": "c", "major": 1, "minor": 11}]
| .process.args |= ["sh"]'
runc run -d --console-socket "$CONSOLE_SOCKET" test_deny
[ "$status" -eq 0 ]
# test write
runc exec test_deny sh -c 'hostname | tee /dev/kmsg'
[ "$status" -eq 1 ]
[[ "${output}" == *'Operation not permitted'* ]]
# test read
runc exec test_deny sh -c 'head -n 1 /dev/kmsg'
[ "$status" -eq 1 ]
[[ "${output}" == *'Operation not permitted'* ]]
}
@test "runc run [device cgroup allow rw char device]" {
requires root
update_config ' .linux.resources.devices = [{"allow": false, "access": "rwm"},{"allow": true, "type": "c", "major": 1, "minor": 11, "access": "rwm"}]
| .linux.devices = [{"path": "/dev/kmsg", "type": "c", "major": 1, "minor": 11}]
| .process.args |= ["sh"]
| .hostname = "myhostname"'
runc run -d --console-socket "$CONSOLE_SOCKET" test_allow_char
[ "$status" -eq 0 ]
# test write
runc exec test_allow_char sh -c 'hostname | tee /dev/kmsg'
[ "$status" -eq 0 ]
[[ "${lines[0]}" == *'myhostname'* ]]
# test read
runc exec test_allow_char sh -c 'head -n 1 /dev/kmsg'
[ "$status" -eq 0 ]
}
@test "runc run [device cgroup allow rm block device]" {
requires root
# get first block device
device="/dev/$(lsblk -nd -o NAME | head -n 1)"
major="$(lsblk -nd -o MAJ:MIN | head -n 1 | awk -F":" '{print $1}' | sed "s/\s*//g")"
minor="$(lsblk -nd -o MAJ:MIN | head -n 1 | awk -F":" '{print $2}')"
update_config ' .linux.resources.devices = [{"allow": false, "access": "rwm"},{"allow": true, "type": "b", "major": '"$major"', "minor": '"$minor"', "access": "rwm"}]
| .linux.devices = [{"path": "'"$device"'", "type": "b", "major": '"$major"', "minor": '"$minor"'}]
| .process.args |= ["sh"]
| .process.capabilities.bounding += ["CAP_MKNOD"]
| .process.capabilities.effective += ["CAP_MKNOD"]
| .process.capabilities.inheritable += ["CAP_MKNOD"]
| .process.capabilities.permitted += ["CAP_MKNOD"]'
runc run -d --console-socket "$CONSOLE_SOCKET" test_allow_block
[ "$status" -eq 0 ]
# test mknod
runc exec test_allow_block sh -c 'mknod /dev/fooblock b '"$major"' '"$minor"''
[ "$status" -eq 0 ]
# test read
runc exec test_allow_block sh -c 'fdisk -l '"$device"''
[ "$status" -eq 0 ]
}