New OPS-centric setup. Integrated with wild-init
and wild-setup
.
This commit is contained in:
93
setup/cluster/setup-cert-manager.sh
Executable file
93
setup/cluster/setup-cert-manager.sh
Executable file
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#!/bin/bash
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set -e
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# Navigate to script directory
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SCRIPT_PATH="$(realpath "${BASH_SOURCE[0]}")"
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SCRIPT_DIR="$(dirname "$SCRIPT_PATH")"
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cd "$SCRIPT_DIR"
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# Source environment variables
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if [[ -f "../load-env.sh" ]]; then
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source ../load-env.sh
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fi
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echo "Setting up cert-manager..."
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# Create cert-manager namespace
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kubectl create namespace cert-manager --dry-run=client -o yaml | kubectl apply -f -
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# Install cert-manager using the official installation method
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# This installs CRDs, controllers, and webhook components
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echo "Installing cert-manager components..."
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# Using stable URL for cert-manager installation
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kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.13.1/cert-manager.yaml || \
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kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/v1.13.1/cert-manager.yaml
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# Wait for cert-manager to be ready
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echo "Waiting for cert-manager to be ready..."
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kubectl wait --for=condition=Available deployment/cert-manager -n cert-manager --timeout=120s
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kubectl wait --for=condition=Available deployment/cert-manager-cainjector -n cert-manager --timeout=120s
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kubectl wait --for=condition=Available deployment/cert-manager-webhook -n cert-manager --timeout=120s
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# Add delay to allow webhook to be fully ready
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echo "Waiting additional time for cert-manager webhook to be fully operational..."
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sleep 30
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# Setup Cloudflare API token for DNS01 challenges
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if [[ -n "${CLOUDFLARE_API_TOKEN}" ]]; then
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echo "Creating Cloudflare API token secret in cert-manager namespace..."
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kubectl create secret generic cloudflare-api-token \
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--namespace cert-manager \
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--from-literal=api-token="${CLOUDFLARE_API_TOKEN}" \
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--dry-run=client -o yaml | kubectl apply -f -
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else
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echo "Warning: CLOUDFLARE_API_TOKEN not set. DNS01 challenges will not work."
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fi
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echo "Creating Let's Encrypt issuers..."
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cat ${SCRIPT_DIR}/cert-manager/letsencrypt-staging-dns01.yaml | envsubst | kubectl apply -f -
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cat ${SCRIPT_DIR}/cert-manager/letsencrypt-prod-dns01.yaml | envsubst | kubectl apply -f -
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# Wait for issuers to be ready
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echo "Waiting for Let's Encrypt issuers to be ready..."
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sleep 10
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# Configure cert-manager to use external DNS for challenge verification
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echo "Configuring cert-manager to use external DNS servers..."
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kubectl patch deployment cert-manager -n cert-manager --patch '
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spec:
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template:
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spec:
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dnsPolicy: None
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dnsConfig:
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nameservers:
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- "1.1.1.1"
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- "8.8.8.8"
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searches:
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- cert-manager.svc.cluster.local
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- svc.cluster.local
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- cluster.local
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options:
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- name: ndots
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value: "5"'
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# Wait for cert-manager to restart with new DNS config
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echo "Waiting for cert-manager to restart with new DNS configuration..."
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kubectl rollout status deployment/cert-manager -n cert-manager --timeout=120s
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# Apply wildcard certificates
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echo "Creating wildcard certificates..."
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cat ${SCRIPT_DIR}/cert-manager/internal-wildcard-certificate.yaml | envsubst | kubectl apply -f -
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cat ${SCRIPT_DIR}/cert-manager/wildcard-certificate.yaml | envsubst | kubectl apply -f -
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echo "Wildcard certificate creation initiated. This may take some time to complete depending on DNS propagation."
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# Wait for the certificates to be issued (with a timeout)
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echo "Waiting for wildcard certificates to be ready (this may take several minutes)..."
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kubectl wait --for=condition=Ready certificate wildcard-internal-wild-cloud -n cert-manager --timeout=300s || true
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kubectl wait --for=condition=Ready certificate wildcard-wild-cloud -n cert-manager --timeout=300s || true
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echo "cert-manager setup complete!"
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echo ""
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echo "To verify the installation:"
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echo " kubectl get pods -n cert-manager"
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echo " kubectl get clusterissuers"
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