#!/usr/bin/env bats load helpers function setup() { setup_busybox } function teardown() { teardown_bundle } # shellcheck disable=SC2030 @test "events --stats" { # XXX: currently cgroups require root containers. requires root init_cgroup_paths # run busybox detached runc run -d --console-socket "$CONSOLE_SOCKET" test_busybox [ "$status" -eq 0 ] # generate stats runc events --stats test_busybox [ "$status" -eq 0 ] [[ "${lines[0]}" == [\{]"\"type\""[:]"\"stats\""[,]"\"id\""[:]"\"test_busybox\""[,]* ]] [[ "${lines[0]}" == *"data"* ]] } function test_events() { # XXX: currently cgroups require root containers. requires root init_cgroup_paths local status interval retry_every=1 if [ $# -eq 2 ]; then interval="$1" retry_every="$2" fi runc run -d --console-socket "$CONSOLE_SOCKET" test_busybox # shellcheck disable=SC2031 [ "$status" -eq 0 ] # Spawn two subshels: # 1. Event logger that sends stats events to events.log. (__runc events ${interval:+ --interval "$interval"} test_busybox >events.log) & # 2. Waits for an event that includes test_busybox then kills the # test_busybox container which causes the event logger to exit. ( retry 10 "$retry_every" grep -q test_busybox events.log __runc delete -f test_busybox ) & wait # for both subshells to finish [ -e events.log ] output=$(head -1 events.log) [[ "$output" == [\{]"\"type\""[:]"\"stats\""[,]"\"id\""[:]"\"test_busybox\""[,]* ]] [[ "$output" == *"data"* ]] } @test "events --interval default" { test_events } @test "events --interval 1s" { test_events 1s 1 } @test "events --interval 100ms" { test_events 100ms 0.1 } @test "events oom" { # XXX: currently cgroups require root containers. requires root cgroups_swap init_cgroup_paths # we need the container to hit OOM, so disable swap update_config '(.. | select(.resources? != null)) .resources.memory |= {"limit": 33554432, "swap": 33554432}' # run busybox detached runc run -d --console-socket "$CONSOLE_SOCKET" test_busybox [ "$status" -eq 0 ] # spawn two sub processes (shells) # the first sub process is an event logger that sends stats events to events.log # the second sub process exec a memory hog process to cause a oom condition # and waits for an oom event (__runc events test_busybox >events.log) & ( retry 10 1 grep -q test_busybox events.log # shellcheck disable=SC2016 __runc exec -d test_busybox sh -c 'test=$(dd if=/dev/urandom ibs=5120k)' retry 30 1 grep -q oom events.log __runc delete -f test_busybox ) & wait # wait for the above sub shells to finish grep -q '{"type":"oom","id":"test_busybox"}' events.log }