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Merge pull request #59530 from rramkumar1/ipvs-plumbing

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Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Add a new environment variable to the gce startup scripts called KUBE_PROXY_MODE

**What this PR does / why we need it**:
This PR adds a new environment variable called KUBE_PROXY_MODE to the startup scripts for gce. This variable will allow a user to specify the kube-proxy implementation they want to use, with the choices being ipvs or iptables (iptables is default). 

Next steps:

1. Need to remove use of feature gateway when IPVS goes GA
2. Need to add logic of loading required ipvs kernel modules in the scripts 

Question: If the proxier is IPVS, is it necessary to have the iptables sync period flags? 

**Release note**:
```release-note
None
```
This commit is contained in:
Kubernetes Submit Queue
2018-02-13 17:45:32 -08:00
committed by GitHub
parent 7b678dc403 12d4eac038
commit cca7ccbff1
4 changed files with 8 additions and 1 deletions
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2
hack/local-up-cluster.sh
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@@ -57,7 +57,7 @@ EVICTION_PRESSURE_TRANSITION_PERIOD=${EVICTION_PRESSURE_TRANSITION_PERIOD:-"1m"}
# and we don't know the IP of the DNS pod to pass in as --cluster-dns.
# To set this up by hand, set this flag and change DNS_SERVER_IP.
# Note also that you need API_HOST (defined above) for correct DNS.
KUBEPROXY_MODE=${KUBEPROXY_MODE:-""}
KUBE_PROXY_MODE=${KUBE_PROXY_MODE:-""}
ENABLE_CLUSTER_DNS=${KUBE_ENABLE_CLUSTER_DNS:-true}
DNS_SERVER_IP=${KUBE_DNS_SERVER_IP:-10.0.0.10}
DNS_DOMAIN=${KUBE_DNS_NAME:-"cluster.local"}