tasks are not passing health checks but tasks were receiving traffic
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Hello.
I had an issue when I tried to deploy app on DC/OS.
The new tasks are not passing health check, but those tasks were receiving traffic before health check query.
My info
- DC/OS 1.11.10
- Marathon-LB 1.12.3
App info (DC/OS)
{ "labels": { "HAPROXY_GROUP": "external", "HAPROXY_0_FRONTEND_HEAD": "", "HAPROXY_0_FRONTEND_BACKEND_GLUE": "", "HAPROXY_0_VHOST": "test.com" }, "id": "/test", "backoffFactor": 1.15, "backoffSeconds": 1, "container": { "portMappings": [ { "containerPort": 5000, "servicePort": 10131, "name": "python" } ], "type": "DOCKER", "volumes": [], "docker": { "image": "python:2", "forcePullImage": false, "privileged": false, "parameters": [] } }, "cpus": 2, "disk": 0, "healthChecks": [ { "gracePeriodSeconds": 300, "intervalSeconds": 60, "maxConsecutiveFailures": 3, "portIndex": 0, "timeoutSeconds": 60, "delaySeconds": 15, "protocol": "MESOS_HTTP", "path": "/health", "ipProtocol": "IPv4" } ], "instances": 3, "maxLaunchDelaySeconds": 3600, "mem": 2048, "gpus": 0, "networks": [ { "name": "dcos", "mode": "container" } ], "requirePorts": false, "upgradeStrategy": { "maximumOverCapacity": 0.1, "minimumHealthCapacity": 1 }, "killSelection": "YOUNGEST_FIRST", "unreachableStrategy": { "inactiveAfterSeconds": 0, "expungeAfterSeconds": 0 } }
Log
* Running on http://0.0.0.0:5000/ (Press CTRL+C to quit)
44.128.0.31 - - [04/Nov/2019 02:27:02] "GET / HTTP/1.1" 200 -
44.128.0.31 - - [04/Nov/2019 02:27:02] "GET / HTTP/1.1" 200 -
44.128.0.31 - - [04/Nov/2019 02:27:05] "GET / HTTP/1.1" 200 - **<< receiving service traffic before health check**
44.128.0.32 - - [04/Nov/2019 02:27:05] "GET /health HTTP/1.0" 200 -
I1104 11:27:12.801702 50743 checker_process.cpp:987] HTTP health check for task 'test-error.92419e2a-feaa-11e9-8b26-46ed464ae041' returned: 200
I1104 11:27:12.801801 50743 executor.cpp:435] Received task health update, healthy: true