Initial commit

scripts/sync-homeassistant-oauth.sh

@@ -0,0 +1,118 @@
+#!/bin/bash
+set -euo pipefail
+
+# sync-homeassistant-oauth.sh
+# Retrieves Home Assistant OIDC provider credentials from Authentik and stores them in Vault
+# This script should be run after Authentik is deployed and the Home Assistant blueprint is applied
+
+AUTHENTIK_NAMESPACE="authentik"
+VAULT_NAMESPACE="vault"
+VAULT_SECRET_PATH="secret/homeassistant-oauth"
+
+echo "=== Syncing Home Assistant OIDC Credentials from Authentik to Vault ==="
+
+# Check if Authentik is running
+if ! kubectl get pods -n "${AUTHENTIK_NAMESPACE}" -l app.kubernetes.io/name=authentik,app.kubernetes.io/component=server --no-headers 2>/dev/null | grep -q Running; then
+  echo "ERROR: Authentik is not running. Please deploy Authentik first."
+  exit 1
+fi
+
+# Wait for Authentik to be fully ready
+echo "Waiting for Authentik to be ready..."
+kubectl -n "${AUTHENTIK_NAMESPACE}" wait --for=condition=Ready pod -l app.kubernetes.io/name=authentik,app.kubernetes.io/component=server --timeout=60s || {
+  echo "WARNING: Authentik may not be fully ready yet. Continuing anyway..."
+}
+
+# Get Authentik pod name
+AUTHENTIK_POD=$(kubectl get pods -n "${AUTHENTIK_NAMESPACE}" -l app.kubernetes.io/name=authentik,app.kubernetes.io/component=server -o jsonpath='{.items[0].metadata.name}')
+
+if [ -z "$AUTHENTIK_POD" ]; then
+  echo "ERROR: Could not find Authentik server pod"
+  exit 1
+fi
+
+echo "Found Authentik pod: ${AUTHENTIK_POD}"
+
+# Retrieve OAuth2 provider credentials from Authentik
+# Note: This uses the Authentik API via the management interface
+echo "Retrieving Home Assistant OIDC credentials from Authentik..."
+
+# Method 1: Try to get credentials directly from Authentik database
+CLIENT_ID=$(kubectl exec -n "${AUTHENTIK_NAMESPACE}" "${AUTHENTIK_POD}" -- ak list_providers --type oauth2 2>/dev/null | grep -A 20 '"name": "Home Assistant"' | grep '"client_id"' | cut -d'"' -f4 || echo "")
+CLIENT_SECRET=$(kubectl exec -n "${AUTHENTIK_NAMESPACE}" "${AUTHENTIK_POD}" -- ak list_providers --type oauth2 2>/dev/null | grep -A 20 '"name": "Home Assistant"' | grep '"client_secret"' | cut -d'"' -f4 || echo "")
+
+# If Method 1 fails, try using PostgreSQL directly
+if [ -z "$CLIENT_ID" ] || [ -z "$CLIENT_SECRET" ]; then
+  echo "Attempting to retrieve credentials from Authentik PostgreSQL database..."
+  
+  CNPG_POD=$(kubectl get pods -n "${AUTHENTIK_NAMESPACE}" -l cnpg.io/cluster=pg-authentik,role=primary -o jsonpath='{.items[0].metadata.name}')
+  
+  if [ -z "$CNPG_POD" ]; then
+    echo "ERROR: Could not find Authentik PostgreSQL pod"
+    exit 1
+  fi
+  
+  # Query the database for Home Assistant provider credentials
+  PROVIDER_DATA=$(kubectl exec -n "${AUTHENTIK_NAMESPACE}" "${CNPG_POD}" -- psql -U authentik -d authentik -t -c \
+    "SELECT client_id, client_secret FROM authentik_providers_oauth2_oauth2provider WHERE name='Home Assistant';" 2>/dev/null || echo "")
+  
+  if [ -n "$PROVIDER_DATA" ]; then
+    CLIENT_ID=$(echo "$PROVIDER_DATA" | awk '{print $1}' | tr -d ' ')
+    CLIENT_SECRET=$(echo "$PROVIDER_DATA" | awk '{print $3}' | tr -d ' ')
+  fi
+fi
+
+# Validate credentials were retrieved
+if [ -z "$CLIENT_ID" ] || [ -z "$CLIENT_SECRET" ]; then
+  echo "ERROR: Failed to retrieve Home Assistant OIDC credentials from Authentik"
+  echo ""
+  echo "Manual steps required:"
+  echo "1. Access Authentik admin panel at https://auth.kube.huskypup.net"
+  echo "2. Navigate to: Applications > Providers > Home Assistant"
+  echo "3. Copy the Client ID and Client Secret"
+  echo "4. Store them in Vault manually with:"
+  echo "   vault kv put ${VAULT_SECRET_PATH} client-id=\"<CLIENT_ID>\" client-secret=\"<CLIENT_SECRET>\""
+  exit 1
+fi
+
+echo "Successfully retrieved credentials:"
+echo "  Client ID: ${CLIENT_ID}"
+echo "  Client Secret: ${CLIENT_SECRET:0:10}..." # Only show first 10 chars
+
+# Check if Vault is unsealed and ready
+echo "Checking Vault status..."
+VAULT_POD=$(kubectl get pods -n "${VAULT_NAMESPACE}" -l app.kubernetes.io/name=vault -o jsonpath='{.items[0].metadata.name}')
+
+if [ -z "$VAULT_POD" ]; then
+  echo "ERROR: Vault pod not found"
+  exit 1
+fi
+
+VAULT_STATUS=$(kubectl exec -n "${VAULT_NAMESPACE}" "${VAULT_POD}" -- vault status -format=json 2>/dev/null || echo "{}")
+SEALED=$(echo "$VAULT_STATUS" | grep -o '"sealed":[^,}]*' | cut -d':' -f2 | tr -d ' ')
+
+if [ "$SEALED" = "true" ]; then
+  echo "ERROR: Vault is sealed. Please unseal Vault first."
+  exit 1
+fi
+
+# Store credentials in Vault
+echo "Storing Home Assistant OIDC credentials in Vault at ${VAULT_SECRET_PATH}..."
+kubectl exec -n "${VAULT_NAMESPACE}" "${VAULT_POD}" -- vault kv put "${VAULT_SECRET_PATH}" \
+  client-id="${CLIENT_ID}" \
+  client-secret="${CLIENT_SECRET}"
+
+if [ $? -eq 0 ]; then
+  echo "✓ Successfully stored Home Assistant OIDC credentials in Vault"
+  echo ""
+  echo "The External Secret Operator will now sync these credentials to the home-assistant namespace."
+  echo "You can verify with:"
+  echo "  kubectl get externalsecret -n home-assistant homeassistant-oauth"
+  echo "  kubectl get secret -n home-assistant homeassistant-oidc-secret"
+else
+  echo "ERROR: Failed to store credentials in Vault"
+  exit 1
+fi
+
+echo ""
+echo "=== Home Assistant OIDC Sync Complete ==="