test: add TestRunMemoryOOM test case

[sunyuan3]

Signed-off-by: Yuan Sun [email protected]

[pouchrobot]

Thanks for your contribution. 🍻 @sunyuan3
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More details, please refer to https://github.com/alibaba/pouch/blob/master/CONTRIBUTING.md

[codecov-io]

Codecov Report

Merging #1552 into master will decrease coverage by 2.49%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #1552     +/-   ##
=========================================
- Coverage    41.3%   38.81%   -2.5%     
=========================================
  Files         267      183     -84     
  Lines       17331    14372   -2959     
=========================================
- Hits         7159     5578   -1581     
+ Misses       9282     7915   -1367     
+ Partials      890      879     -11

Impacted Files	Coverage Δ
pkg/multierror/def.go	0% <0%> (-100%)	⬇️
apis/opts/sysctl.go	0% <0%> (-100%)	⬇️
apis/opts/shm_size.go	0% <0%> (-100%)	⬇️
apis/opts/memory_swappiness.go	0% <0%> (-100%)	⬇️
apis/opts/memory.go	0% <0%> (-100%)	⬇️
apis/opts/log_options.go	0% <0%> (-100%)	⬇️
pkg/net/interface.go	0% <0%> (-89.07%)	⬇️
apis/opts/diskquota.go	0% <0%> (-87.5%)	⬇️
apis/opts/memory_swap.go	0% <0%> (-81.82%)	⬇️
daemon/logger/loggerutils/tag.go	0% <0%> (-81.82%)	⬇️
... and 122 more

[allencloud]

I think we still need to use API to check whether this container is under OOM state. @sunyuan3
cc @HusterWan

[sunyuan3]

@allencloud How to check? I don't find other string to show the container is under OOM state expect return value.

#pouch inspect 038341
[
{
"Args": null,
"Created": "2018-06-20T09:00:04.906931671Z",
"ExecIDs": null,
"GraphDriver": {
"Data": {
"MergedDir": "",
"UpperDir": "/home/t4/pouch/containerd/root/io.containerd.snapshotter.v1.overlayfs/snapshots/927/fs"
},
"Name": "overlayfs"
},
"HostConfig": {
"LogConfig": {
"Type": "json-file"
},
"NetworkMode": "none",
"OomScoreAdj": -500,
"RestartPolicy": {
"Name": "no"
},
"Runtime": "runc",
"BlkioDeviceReadBps": null,
"BlkioDeviceReadIOps": null,
"BlkioDeviceWriteBps": null,
"BlkioDeviceWriteIOps": null,
"BlkioWeightDevice": null,
"CgroupParent": "default",
"DeviceCgroupRules": null,
"Devices": [],
"Memory": 4194304,
"MemoryExtra": 0,
"MemorySwappiness": -1,
"MemoryWmarkRatio": 0,
"OomKillDisable": false,
"Ulimits": null
},
"Id": "0383413d557a932dcdd006e5d731959a9dfc6f5feb6acdb50f2e36c5e03976ce",
"Image": "reg.docker.alibaba-inc.com/sunyuan/ubuntu:14.04",
"Mounts": [],
"Name": "038341",
"NetworkSettings": {
"Networks": {
"none": {
"Aliases": null,
"Links": null,
"NetworkID": "65f29c4d3becf916a635ebda8997e36e2e8acd87922c8b2466f3742563014ba1"
}
},
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null
},
"Snapshotter": {
"Data": {
"MergedDir": "",
"UpperDir": "/home/t4/pouch/containerd/root/io.containerd.snapshotter.v1.overlayfs/snapshots/927/fs"
},
"Name": "overlayfs"
},
"State": {
"ExitCode": 137,
"FinishedAt": "2018-06-20T09:01:02.354659891Z",
"Pid": -1,
"StartedAt": "2018-06-20T09:00:05.094187175Z",
"Status": "exited"
},
"Config": {
"Cmd": [
"bash",
"-c",
"x=a; while true; do x=$x$x$x$x; done"
],
"Entrypoint": null,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
],
"Image": "reg.docker.alibaba-inc.com/sunyuan/ubuntu:14.04",
"OnBuild": null,
"Shell": null
}
}
]

[allencloud]

I discussed with @HusterWan offline. And currently we have no way to be noticed that a container is under OOM. in moby, there is event policy to tell users.

[allencloud]

LGTM