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75 lines
3 KiB
Bash
Executable file
75 lines
3 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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###########################################################################
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# deploy-services.sh
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#
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# Idempotent service deployer for the k3s unified topology.
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# Called by the deploy-k3s-services systemd oneshot on the server node.
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#
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# Flow:
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# 1. Wait for k3s cluster to be healthy
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# 2. Create the K8s Secret for authentik from the sops-decrypted file
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# 3. Apply all manifests via kubectl
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# 4. k3s built-in Helm controller picks up the HelmChart CRD for authentik
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###########################################################################
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MANIFESTS_DIR="/etc/nixos/k3s-flake/manifests"
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echo "[deploy] waiting for k3s cluster to be healthy..."
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until kubectl cluster-info --request-timeout=5s >/dev/null 2>&1; do
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sleep 3
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done
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echo "[deploy] cluster is healthy"
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echo "[deploy] ensuring CoreDNS has one schedulable replica per main workload node..."
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kubectl -n kube-system scale deployment/coredns --replicas=3
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echo "[deploy] ensuring services namespace exists..."
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kubectl get namespace services >/dev/null 2>&1 || kubectl create namespace services
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# Authentik secrets from sops-decrypted file.
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# The file format is an env file:
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# secret-key=<value>
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# postgresql-password=<value>
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if [ -n "${AUTHENTIK_SECRETS:-}" ] && [ -f "$AUTHENTIK_SECRETS" ]; then
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echo "[deploy] creating authentik-secrets from sops file..."
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kubectl delete secret --ignore-not-found -n services authentik-secrets
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kubectl create secret generic -n services authentik-secrets \
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--from-env-file="$AUTHENTIK_SECRETS"
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secret_key=$(sed -n 's/^secret-key=//p' "$AUTHENTIK_SECRETS")
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postgresql_password=$(sed -n 's/^postgresql-password=//p' "$AUTHENTIK_SECRETS")
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if kubectl get secret -n services authentik-env >/dev/null 2>&1; then
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echo "[deploy] preserving existing authentik-env runtime secret"
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elif [ -n "$secret_key" ] && [ -n "$postgresql_password" ]; then
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echo "[deploy] creating authentik-env from sops file..."
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kubectl create secret generic -n services authentik-env \
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--from-literal=AUTHENTIK_SECRET_KEY="$secret_key" \
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--from-literal=AUTHENTIK_POSTGRESQL__PASSWORD="$postgresql_password" \
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--from-literal=AUTHENTIK_POSTGRESQL__HOST=authentik-postgresql \
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--from-literal=AUTHENTIK_POSTGRESQL__PORT=5432 \
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--from-literal=AUTHENTIK_POSTGRESQL__NAME=authentik \
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--from-literal=AUTHENTIK_POSTGRESQL__USER=authentik
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fi
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fi
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echo "[deploy] applying authentik HelmChart..."
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kubectl apply -f "$MANIFESTS_DIR/authentik/helm-chart.yaml"
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echo "[deploy] applying all service manifests..."
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find "$MANIFESTS_DIR" -maxdepth 1 -type d | sort | while read -r dir; do
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name=$(basename "$dir")
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# Skip root dir and authentik (managed via HelmChart)
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[ "$dir" = "$MANIFESTS_DIR" ] && continue
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[ "$name" = "authentik" ] && continue
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if [ -f "$dir/kustomization.yaml" ] || [ -f "$dir/kustomization.yml" ]; then
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echo "[deploy] applying $name (kustomize)..."
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kubectl apply -k "$dir"
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else
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echo "[deploy] applying $name..."
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kubectl apply -f "$dir"
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fi
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done
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echo "[deploy] done"
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