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wild-cloud/setup/cluster-services/coredns/install.sh

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#!/bin/bash
set -e
set -o pipefail
# Initialize Wild Cloud environment
if [ -z "${WC_ROOT}" ]; then
print "WC_ROOT is not set."
exit 1
else
source "${WC_ROOT}/scripts/common.sh"
init_wild_env
fi
CLUSTER_SETUP_DIR="${WC_HOME}/setup/cluster-services"
COREDNS_DIR="${CLUSTER_SETUP_DIR}/coredns"
print_header "Setting up CoreDNS for k3s"
# Templates should already be compiled by wild-cluster-services-generate
echo "Using pre-compiled CoreDNS templates..."
if [ ! -d "${COREDNS_DIR}/kustomize" ]; then
echo "Error: Compiled templates not found. Run 'wild-cluster-services-generate' first."
exit 1
fi
# Apply the k3s-compatible custom DNS override (k3s will preserve this)
echo "Applying CoreDNS custom override configuration..."
kubectl apply -f "${COREDNS_DIR}/kustomize/coredns-custom-config.yaml"
# Restart CoreDNS pods to apply the changes
echo "Restarting CoreDNS pods to apply changes..."
kubectl rollout restart deployment/coredns -n kube-system
kubectl rollout status deployment/coredns -n kube-system
echo "CoreDNS setup complete!"
echo
echo "To verify the installation:"
echo " kubectl get pods -n kube-system"
echo " kubectl get svc -n kube-system coredns"
echo " kubectl describe svc -n kube-system coredns"
echo " kubectl logs -n kube-system -l k8s-app=kube-dns -f"