From 001143652e7420fbd35e56929d3c67df7a5afcd1 Mon Sep 17 00:00:00 2001
From: Ole Langbehn <ole.langbehn@inoio.de>
Date: Mon, 2 Dec 2024 16:26:11 +0100
Subject: [PATCH] feat(infra): startup and liveness probes for cloud run
---
app/server.ts | 12 ++++++++++--
terraform/environments/deployment.tf | 15 +++++++++++++++
2 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/app/server.ts b/app/server.ts
index 9f558d3..5179681 100644
--- a/app/server.ts
+++ b/app/server.ts
@@ -163,6 +163,8 @@ const getLanguage = (headers?: Headers) => {
DEFAULT_LANGUAGE) as BetterPlaceLanguage
}
+const isAlive = () => new Response(`${true}`)
+
export const createGraphQLServer = (config: ServerConfig): GraphQLServer => {
const plugins = config.cacheEnabled
? [
@@ -200,15 +202,21 @@ type GraphQLContext = {
export const startServer = (config: ServerConfig): Promise<void> => {
const graphQLServer: GraphQLServer = createGraphQLServer(config)
- return serve(graphQLServer, {
+ return serve({
port: config.port,
+ handler: (req: Request) => {
+ const url = new URL(req.url)
+ const pathname = url.pathname
+ if (pathname.startsWith('/health') || pathname.startsWith('/ready')) return isAlive()
+ return graphQLServer.handleRequest(req)
+ },
onListen({ port, hostname }) {
logger.info(
`Server started at http://${hostname === '0.0.0.0' ? 'localhost' : hostname}:${port}/graphql`,
)
if (config.fake) {
logger.info(
- `Server is serving fake data due to FAKE env var set to true`,
+ 'Server is serving fake data due to FAKE env var set to true',
)
}
},
diff --git a/terraform/environments/deployment.tf b/terraform/environments/deployment.tf
index 37f5b84..2fa8ac9 100644
--- a/terraform/environments/deployment.tf
+++ b/terraform/environments/deployment.tf
@@ -44,6 +44,21 @@ resource "google_cloud_run_service" "donations_api" {
ports {
container_port = 8001
}
+ startup_probe {
+ http_get {
+ path = "/ready"
+ }
+ timeout_seconds = 10
+ period_seconds = 10
+ failure_threshold = 6
+ }
+ liveness_probe {
+ http_get {
+ path = "/health"
+ }
+ timeout_seconds = 20
+ period_seconds = 60
+ }
env {
name = "ENVIRONMENT"
value = local.environment
--
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