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Add k8s deployment script and README

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This commit is contained in:
John Belamaric 2017-02-22 16:23:11 -05:00
parent 2d63439b3e
commit 3c8dc1cbc7
3 changed files with 141 additions and 0 deletions
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19
kubernetes/deploy.sh Executable file
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#!/bin/bash
# Deploys CoreDNS to a cluster currently running Kube-DNS.
SERVICE_CIDR=$1
CLUSTER_DOMAIN=${2:-cluster.local}
YAML_TEMPLATE=${3:-`pwd`/coredns.yaml.sed}
YAML=${4:-`pwd`/coredns.yaml}
if [[ -z $SERVICE_CIDR ]]; then
echo "Usage: $0 SERVICE-CIDR [ CLUSTER-DOMAIN ] [ YAML-TEMPLATE ] [ YAML ]"
exit 1
fi
CLUSTER_DNS_IP=$(kubectl get service --namespace kube-system kube-dns -o jsonpath="{.spec.clusterIP}")
sed -e s/CLUSTER_DNS_IP/$CLUSTER_DNS_IP/g -e s/CLUSTER_DOMAIN/$CLUSTER_DOMAIN/g -e s?SERVICE_CIDR?$SERVICE_CIDR?g $YAML_TEMPLATE