Fix dConfig in the inputhost; add string validator for dConfig

[GuillaumeBailey]

No description provided.

[coveralls]

Coverage increased (+0.03%) to 68.335% when pulling a89a8e7 on inputDConfig into e9bb700 on master.

[GuillaumeBailey]

gbailey@cherami32-dca1:~$ grep -ie 'val=' /var/log/udocker/cherami-input/docker-process-cherami-input.log 
{"log":"time=\"2017-05-13T05:42:54Z\" level=info msg=\"inputhost.go:938 SetHostConnLimit\" deploymentName=\"staging_dca1a\" inhoID=8613346b val=10000 \n","stream":"stderr","time":"2017-05-13T05:42:54.320381461Z"}
{"log":"time=\"2017-05-13T05:42:54Z\" level=info msg=\"inputhost.go:895 SetHostConnLimitPerSecond\" deploymentName=\"staging_dca1a\" inhoID=8613346b val=1000 \n","stream":"stderr","time":"2017-05-13T05:42:54.320387734Z"}
{"log":"time=\"2017-05-13T05:42:54Z\" level=info msg=\"inputhost.go:931 SetTokenBucketValue\" deploymentName=\"staging_dca1a\" inhoID=8613346b val=1000 \n","stream":"stderr","time":"2017-05-13T05:42:54.320393368Z"}
{"log":"time=\"2017-05-13T05:42:54Z\" level=info msg=\"inputhost.go:949 SetMaxConnPerDest\" deploymentName=\"staging_dca1a\" inhoID=8613346b val=1000 \n","stream":"stderr","time":"2017-05-13T05:42:54.320398593Z"}
{"log":"time=\"2017-05-13T05:42:54Z\" level=info msg=\"inputhost.go:931 SetTokenBucketValue\" deploymentName=\"staging_dca1a\" inhoID=8613346b val=1000 \n","stream":"stderr","time":"2017-05-13T05:42:54.320403869Z"}
{"log":"time=\"2017-05-13T05:42:54Z\" level=info msg=\"inputhost.go:976 SetTestShortExtentsByPath\" deploymentName=\"staging_dca1a\" inhoID=8613346b val=\"/cheramistress=1\" \n","stream":"stderr","time":"2017-05-13T05:42:54.326553197Z"}
{"log":"time=\"2017-05-13T05:42:54Z\" level=info msg=\"inputhost.go:919 SetConnMsgsLimitPerSecond\" deploymentName=\"staging_dca1a\" inhoID=8613346b val=80000 \n","stream":"stderr","time":"2017-05-13T05:42:54.327588597Z"}
{"log":"time=\"2017-05-13T05:42:54Z\" level=info msg=\"inputhost.go:907 SetExtMsgsLimitPerSecond\" deploymentName=\"staging_dca1a\" inhoID=8613346b val=20000 \n","stream":"stderr","time":"2017-05-13T05:42:54.327912312Z"}
{"log":"time=\"2017-05-13T05:42:54Z\" level=info msg=\"inputhost.go:970 SetNodeStatus\" deploymentName=\"staging_dca1a\" inhoID=8613346b val=UP \n","stream":"stderr","time":"2017-05-13T05:42:54.32800179Z"}

seems to be working well

[coveralls]

Coverage decreased (-0.1%) to 68.167% when pulling b61f8ed on inputDConfig into e9bb700 on master.

[thuningxu]

I think you should make a local copy of dconfigKey and the regex expression, because the closure capture is by reference and you could end up with weird bugs.

[GuillaumeBailey]

@thuningxu Strings are immutable: https://play.golang.org/p/GS9-nUX8XC