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Merge pull request #67569 from fturib/coredns-default

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Automatic merge from submit-queue (batch tested with PRs 67745, 67432, 67569, 67825, 67943). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.

Enable CoreDNS as default for kube-up deployments

**What this PR does / why we need it**:
Enable CoreDNS as default (for kube-up installations)
It will allow to run CI tests to prepare graduation criteria for CoreDNS as Default

see : KEP - https://github.com/kubernetes/community/blob/master/keps/sig-network/0012-20180518-coredns-default-proposal.md
see also : https://github.com/kubernetes/features/issues/566

NOTE for release : I guess that CoreDNS as default server for k8s needs a longer description. This specific PR is to ensure we validate all e2e.

```release-note
Make CoreDNS be the default DNS server in kube-up (instead of kube-dns formerly). 
It is still possible to deploy kube-dns by setting CLUSTER_DNS_CORE_DNS=false.
```
This commit is contained in:
Kubernetes Submit Queue 2018-08-29 15:19:37 -07:00 committed by GitHub
commit ae6840fa3a
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3 changed files with 3 additions and 3 deletions
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2
cluster/gce/config-default.sh
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@ -255,7 +255,7 @@ fi
# Optional: Install cluster DNS.
# Set CLUSTER_DNS_CORE_DNS to 'true' to install CoreDNS instead of kube-dns.
CLUSTER_DNS_CORE_DNS="${CLUSTER_DNS_CORE_DNS:-false}"
CLUSTER_DNS_CORE_DNS="${CLUSTER_DNS_CORE_DNS:-true}"
ENABLE_CLUSTER_DNS="${KUBE_ENABLE_CLUSTER_DNS:-true}"
DNS_SERVER_IP="${KUBE_DNS_SERVER_IP:-10.0.0.10}"
DNS_DOMAIN="${KUBE_DNS_DOMAIN:-cluster.local}"

2
cluster/gce/config-test.sh
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@ -262,7 +262,7 @@ fi
# Optional: Install cluster DNS.
# Set CLUSTER_DNS_CORE_DNS to 'true' to install CoreDNS instead of kube-dns.
CLUSTER_DNS_CORE_DNS="${CLUSTER_DNS_CORE_DNS:-false}"
CLUSTER_DNS_CORE_DNS="${CLUSTER_DNS_CORE_DNS:-true}"
ENABLE_CLUSTER_DNS="${KUBE_ENABLE_CLUSTER_DNS:-true}"
DNS_SERVER_IP="10.0.0.10"
DNS_DOMAIN="cluster.local"

2
cluster/gce/util.sh
View File

@ -847,7 +847,7 @@ ENABLE_NODE_LOGGING: $(yaml-quote ${ENABLE_NODE_LOGGING:-false})
LOGGING_DESTINATION: $(yaml-quote ${LOGGING_DESTINATION:-})
ELASTICSEARCH_LOGGING_REPLICAS: $(yaml-quote ${ELASTICSEARCH_LOGGING_REPLICAS:-})
ENABLE_CLUSTER_DNS: $(yaml-quote ${ENABLE_CLUSTER_DNS:-false})
CLUSTER_DNS_CORE_DNS: $(yaml-quote ${CLUSTER_DNS_CORE_DNS:-false})
CLUSTER_DNS_CORE_DNS: $(yaml-quote ${CLUSTER_DNS_CORE_DNS:-true})
DNS_SERVER_IP: $(yaml-quote ${DNS_SERVER_IP:-})
DNS_DOMAIN: $(yaml-quote ${DNS_DOMAIN:-})
ENABLE_DNS_HORIZONTAL_AUTOSCALER: $(yaml-quote ${ENABLE_DNS_HORIZONTAL_AUTOSCALER:-false})