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Cannot assign service ip address manually #37829

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danrjohnson opened this issue Dec 1, 2016 · 5 comments
Closed

Cannot assign service ip address manually #37829

danrjohnson opened this issue Dec 1, 2016 · 5 comments
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@cmluciano
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sig/network Categorizes an issue or PR as relevant to SIG Network.

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@danrjohnson
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danrjohnson commented Dec 1, 2016 •
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Kubernetes version (use kubectl version):

Client Version: version.Info{Major:"1", Minor:"4", GitVersion:"v1.4.0", GitCommit:"a16c0a7f71a6f93c7e0f222d961f4675cd97a46b", GitTreeState:"clean", BuildDate:"2016-09-26T18:16:57Z", GoVersion:"go1.6.3", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"4", GitVersion:"v1.4.0", GitCommit:"a16c0a7f71a6f93c7e0f222d961f4675cd97a46b", GitTreeState:"clean", BuildDate:"2016-09-26T18:10:32Z", GoVersion:"go1.6.3", Compiler:"gc", Platform:"linux/amd64"}

Environment:

  • Cloud provider or hardware configuration: Vagrant
  • OS (e.g. from /etc/os-release): ubuntu-14.04
  • Kernel (e.g. uname -a): Linux dev-master01 3.13.0-85-generic Secure intra-cluster communication with TLS #129-Ubuntu SMP Thu Mar 17 20:50:15 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
  • Install tools: Manual
  • Others:

What happened:

I have --service-cluster-ip-range=198.168.100.0/24
When I attempt to create a service with a predefined clusterIP, I get the following:

The Service "kube-dns" is invalid: spec.clusterIP: Invalid value: "192.168.100.13": provided IP is not in the valid range

If I remove the clusterIP from the service definition, it creates a service inside the valid range...

kube-dns   198.168.100.186   <none>        53/UDP,53/TCP   6s

What you expected to happen:
It would consider an address from inside that range to be valid
@danrjohnson
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It looks like this might be a problem with the network size. A /16 address works fine

@k8s-github-robot k8s-github-robot added the needs-sig Indicates an issue or PR lacks a `sig/foo` label and requires one. label May 31, 2017
@xiangpengzhao
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are you still facing this? 192.168.100.13 is a valid IP in 198.168.100.0/24. It's odd that the validation failed.I will try to reproduce this and dig into it.
/sig network

@k8s-ci-robot k8s-ci-robot added the sig/network Categorizes an issue or PR as relevant to SIG Network. label Jun 17, 2017
@k8s-github-robot k8s-github-robot removed the needs-sig Indicates an issue or PR lacks a `sig/foo` label and requires one. label Jun 17, 2017
@xiangpengzhao
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I can't reproduce this on v1.5.1. We are going to close this. Feel free to reopen if you still face this on the latest version.

/cc @thockin

@cmluciano
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/assign

@cmluciano
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/close

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