1#!/usr/bin/env bats
2
3load helpers
4
5function setup() {
6 setup_busybox
7}
8
9function teardown() {
10 teardown_bundle
11}
12
13# shellcheck disable=SC2030
14@test "events --stats" {
15 # XXX: currently cgroups require root containers.
16 requires root
17 init_cgroup_paths
18
19 # run busybox detached
20 runc run -d --console-socket "$CONSOLE_SOCKET" test_busybox
21 [ "$status" -eq 0 ]
22
23 # generate stats
24 runc events --stats test_busybox
25 [ "$status" -eq 0 ]
26 [[ "${lines[0]}" == [\{]"\"type\""[:]"\"stats\""[,]"\"id\""[:]"\"test_busybox\""[,]* ]]
27 [[ "${lines[0]}" == *"data"* ]]
28}
29
30function test_events() {
31 # XXX: currently cgroups require root containers.
32 requires root
33 init_cgroup_paths
34
35 local status interval retry_every=1
36 if [ $# -eq 2 ]; then
37 interval="$1"
38 retry_every="$2"
39 fi
40
41 runc run -d --console-socket "$CONSOLE_SOCKET" test_busybox
42 # shellcheck disable=SC2031
43 [ "$status" -eq 0 ]
44
45 # Spawn two subshels:
46 # 1. Event logger that sends stats events to events.log.
47 (__runc events ${interval:+ --interval "$interval"} test_busybox >events.log) &
48 # 2. Waits for an event that includes test_busybox then kills the
49 # test_busybox container which causes the event logger to exit.
50 (
51 retry 10 "$retry_every" grep -q test_busybox events.log
52 __runc delete -f test_busybox
53 ) &
54 wait # for both subshells to finish
55
56 [ -e events.log ]
57
58 output=$(head -1 events.log)
59 [[ "$output" == [\{]"\"type\""[:]"\"stats\""[,]"\"id\""[:]"\"test_busybox\""[,]* ]]
60 [[ "$output" == *"data"* ]]
61}
62
63@test "events --interval default" {
64 test_events
65}
66
67@test "events --interval 1s" {
68 test_events 1s 1
69}
70
71@test "events --interval 100ms" {
72 test_events 100ms 0.1
73}
74
75@test "events oom" {
76 # XXX: currently cgroups require root containers.
77 requires root cgroups_swap
78 init_cgroup_paths
79
80 # we need the container to hit OOM, so disable swap
81 update_config '(.. | select(.resources? != null)) .resources.memory |= {"limit": 33554432, "swap": 33554432}'
82
83 # run busybox detached
84 runc run -d --console-socket "$CONSOLE_SOCKET" test_busybox
85 [ "$status" -eq 0 ]
86
87 # spawn two sub processes (shells)
88 # the first sub process is an event logger that sends stats events to events.log
89 # the second sub process exec a memory hog process to cause a oom condition
90 # and waits for an oom event
91 (__runc events test_busybox >events.log) &
92 (
93 retry 10 1 grep -q test_busybox events.log
94 # shellcheck disable=SC2016
95 __runc exec -d test_busybox sh -c 'test=$(dd if=/dev/urandom ibs=5120k)'
96 retry 30 1 grep -q oom events.log
97 __runc delete -f test_busybox
98 ) &
99 wait # wait for the above sub shells to finish
100
101 grep -q '{"type":"oom","id":"test_busybox"}' events.log
102}
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