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Flaky: TestFleetRecreateGameServers/gameserver_shutdown #2479

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markmandel opened this issue Feb 14, 2022 · 1 comment · Fixed by #2535
Closed

Flaky: TestFleetRecreateGameServers/gameserver_shutdown #2479

markmandel opened this issue Feb 14, 2022 · 1 comment · Fixed by #2535
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area/tests Unit tests, e2e tests, anything to make sure things don't break good first issue These are great first issues. If you are looking for a place to start, start here! help wanted We would love help on these issues. Please come help us! kind/bug These are bugs.
Milestone
1.23.0

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@markmandel
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What happened:

It fails sometimes!

--- FAIL: TestFleetRecreateGameServers (0.00s)
    --- FAIL: TestFleetRecreateGameServers/gameserver_shutdown (89.80s)
        fleet_test.go:1160: Could not message GameServer: timed out attempting to send UDP packet to address: timed out waiting for the condition

What you expected to happen:

It to pass!

How to reproduce it (as minimally and precisely as possible):

Run the test lots.

Anything else we need to know?:

If I had to guess, the test is expecting a response, but for whatever reason that UDP packet is lost on the way back (which is never guaranteed). The condition for the test should be on the Shutdown of the GameServer, not on the receipt of the message.

Environment: Cloud Build

  • Agones version: dev
  • Kubernetes version (use kubectl version): 1.21.0
  • Cloud provider or hardware configuration: GKE
  • Install method (yaml/helm): helm
  • Troubleshooting guide log(s):
  • Others:
@markmandel markmandel added kind/bug These are bugs. help wanted We would love help on these issues. Please come help us! good first issue These are great first issues. If you are looking for a place to start, start here! area/tests Unit tests, e2e tests, anything to make sure things don't break labels Feb 14, 2022
@markmandel
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Test logs:

Step #21 - "e2e-feature-gates": time="2022-02-14 18:01:04.296" level=info msg="waiting for fleet condition" fleet=simple-fleet-rp9gw test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:01:06.889" level=info msg="Checking Fleet Ready replicas" expected=10 fleet=simple-fleet-rp9gw fleetStatus="{Replicas:10 ReadyReplicas:0 ReservedReplicas:0 AllocatedReplicas:0 Players:0xc00013e9d0}" test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:01:10.468" level=info msg="Checking Fleet Ready replicas" expected=10 fleet=simple-fleet-rp9gw fleetStatus="{Replicas:10 ReadyReplicas:6 ReservedReplicas:0 AllocatedReplicas:0 Players:0xc0005b0f20}" test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:01:13.468" level=info msg="Checking Fleet Ready replicas" expected=10 fleet=simple-fleet-rp9gw fleetStatus="{Replicas:10 ReadyReplicas:6 ReservedReplicas:0 AllocatedReplicas:0 Players:0xc00097ad50}" test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:01:17.468" level=info msg="Checking Fleet Ready replicas" expected=10 fleet=simple-fleet-rp9gw fleetStatus="{Replicas:10 ReadyReplicas:10 ReservedReplicas:0 AllocatedReplicas:0 Players:0xc00098f620}" test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:01:29.793" level=info msg="Could not read from address" address="35.197.104.56:7356" error="read udp 192.168.10.7:37285->35.197.104.56:7356: i/o timeout" test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:01:31.834" level=info msg="Could not read from address" address="35.197.104.56:7356" error="read udp 192.168.10.7:39018->35.197.104.56:7356: read: connection refused" test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:01:33.835" level=info msg="Could not read from address" address="35.197.104.56:7356" error="read udp 192.168.10.7:47245->35.197.104.56:7356: read: connection refused" test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:01:35.834" level=info msg="Could not read from address" address="35.197.104.56:7356" error="read udp 192.168.10.7:60829->35.197.104.56:7356: read: connection refused" test=TestFleetRecreateGameServers/gameserver_shutdown
... repeated a bunch ...
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:25.834" level=info msg="Could not read from address" address="35.197.104.56:7356" error="read udp 192.168.10.7:37175->35.197.104.56:7356: read: connection refused" test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:27.834" level=info msg="Could not read from address" address="35.197.104.56:7356" error="read udp 192.168.10.7:52583->35.197.104.56:7356: read: connection refused" test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:29.834" level=info msg="Could not read from address" address="35.197.104.56:7356" error="read udp 192.168.10.7:41628->35.197.104.56:7356: read: connection refused" test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:29.873" level=info msg="Could not read from address" address="35.197.104.56:7356" error="read udp 192.168.10.7:48637->35.197.104.56:7356: read: connection refused" test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:29.874" level=info msg="Failed to send UDP packet to GameServer. Dumping Events!" gs=simple-fleet-rp9gw-x7j29-2xxnd status="{State:Ready Ports:[{Name:udp-port Port:7356}] Address:35.197.104.56 NodeName:gke-e2e-test-cluster-default-684ee24f-whtv ReservedUntil:<nil> Players:0xc0008c7800}" test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:29.874" level=info msg="Dumping Events:" kind=GameServer test=TestFleetRecreateGameServers/gameserver_shutdown
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:30.064" level=info msg="Event!" lastTimestamp="2022-02-14 18:01:04 +0000 UTC" message="Port allocated" reason=PortAllocation test=TestFleetRecreateGameServers/gameserver_shutdown type=Normal
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:30.065" level=info msg="Event!" lastTimestamp="2022-02-14 18:01:04 +0000 UTC" message="Pod simple-fleet-rp9gw-x7j29-2xxnd created" reason=Creating test=TestFleetRecreateGameServers/gameserver_shutdown type=Normal
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:30.065" level=info msg="Event!" lastTimestamp="2022-02-14 18:01:04 +0000 UTC" message="Address and port populated" reason=Scheduled test=TestFleetRecreateGameServers/gameserver_shutdown type=Normal
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:30.065" level=info msg="Event!" lastTimestamp="2022-02-14 18:01:08 +0000 UTC" message="SDK state change" reason=RequestReady test=TestFleetRecreateGameServers/gameserver_shutdown type=Normal
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:30.065" level=info msg="Event!" lastTimestamp="2022-02-14 18:01:08 +0000 UTC" message="SDK.Ready() complete" reason=Ready test=TestFleetRecreateGameServers/gameserver_shutdown type=Normal
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:30.065" level=info msg="Event!" lastTimestamp="2022-02-14 18:01:20 +0000 UTC" message="SDK state change" reason=Shutdown test=TestFleetRecreateGameServers/gameserver_shutdown type=Normal
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:30.065" level=info msg="Event!" lastTimestamp="2022-02-14 18:01:20 +0000 UTC" message="Deletion started" reason=Shutdown test=TestFleetRecreateGameServers/gameserver_shutdown type=Normal
Step #21 - "e2e-feature-gates": time="2022-02-14 18:02:30.065" level=info msg="Event!" lastTimestamp="2022-02-14 18:01:20 +0000 UTC" message="Deleting Pod simple-fleet-rp9gw-x7j29-2xxnd" reason=Shutdown test=TestFleetRecreateGameServers/gameserver_shutdown type=Normal
Step #21 - "e2e-feature-gates":     --- FAIL: TestFleetRecreateGameServers/gameserver_shutdown (89.80s)

We can see that the Shutdown does occur as expected. So I figure it's a failure in the test code.

@markmandel markmandel mentioned this issue Feb 14, 2022
Merged
@markmandel markmandel mentioned this issue Mar 16, 2022
Merged
markmandel added a commit to markmandel/agones that referenced this issue Apr 7, 2022
@markmandel
Fix for flaky TestFleetRecreateGameServers
c1b2705 
If the returned packet gets dropped somewhere, we can confirm if it's
still a valid test, as if the `GameServer` is gone, we're in a good
place.

Closes googleforgames#2479
@markmandel markmandel mentioned this issue Apr 7, 2022
Merged
roberthbailey added a commit that referenced this issue Apr 7, 2022
@markmandel @roberthbailey
Fix for flaky TestFleetRecreateGameServers (#2535)
a3fbcc8 
If the returned packet gets dropped somewhere, we can confirm if it's
still a valid test, as if the `GameServer` is gone, we're in a good
place.

Closes #2479

Co-authored-by: Robert Bailey <[email protected]>
Thiryn pushed a commit to Thiryn/agones that referenced this issue Apr 25, 2022
@markmandel @roberthbailey
Fix for flaky TestFleetRecreateGameServers (googleforgames#2535)
ab25233 
If the returned packet gets dropped somewhere, we can confirm if it's
still a valid test, as if the `GameServer` is gone, we're in a good
place.

Closes googleforgames#2479

Co-authored-by: Robert Bailey <[email protected]>
@SaitejaTamma SaitejaTamma added this to the 1.23.0 milestone May 3, 2022
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area/tests Unit tests, e2e tests, anything to make sure things don't break good first issue These are great first issues. If you are looking for a place to start, start here! help wanted We would love help on these issues. Please come help us! kind/bug These are bugs.
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Fix for flaky TestFleetRecreateGameServers markmandel/agones
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@markmandel @SaitejaTamma