ci: Fixes to benchmarks in cloud (#10626)

.github/workflows/benchmark-destroy-nightly.yml

@@ -2,7 +2,7 @@ name: Destroy Benchmark Env
 
 on:
   schedule:
-    - cron: '0 1 * * *'
+    - cron: '0 4 * * *'
   workflow_dispatch:
 
 permissions:

.github/workflows/benchmark-nightly.yml

@@ -58,6 +58,10 @@ jobs:
           tenant-id: ${{ env.ARM_TENANT_ID }}
           subscription-id: ${{ env.ARM_SUBSCRIPTION_ID }}
 
+      - name: Destroy any existing environment
+        run: pnpm destroy-cloud-env
+        working-directory: packages/@n8n/benchmark
+
       - name: Run the benchmark with debug logging
         if: github.event.inputs.debug == 'true'
         run: pnpm benchmark-in-cloud --n8nTag ${{ inputs.n8n_tag || 'nightly' }} --benchmarkTag ${{ inputs.benchmark_tag || 'latest' }} --debug

packages/@n8n/benchmark/infra/modules/benchmark-vm/vars.tf

@@ -21,8 +21,6 @@ variable "ssh_public_key" {
 
 variable "vm_size" {
   description = "VM Size"
-  # 8 vCPUs, 32 GiB memory
-  default = "Standard_DC8_v2"
 }
 
 variable "tags" {

packages/@n8n/benchmark/infra/vars.tf

@@ -15,8 +15,8 @@ variable "host_size_family" {
 
 variable "vm_size" {
   description = "VM Size"
-  # 2 vCPUs, 8 GiB memory
+  # 8 vCPUs, 32 GiB memory
-  default = "Standard_DC2s_v2"
+  default = "Standard_DC8_v2"
 }
 
 variable "number_of_vms" {

packages/@n8n/benchmark/scripts/bootstrap.sh

@@ -8,6 +8,22 @@ set -euo pipefail;
 CURRENT_USER=$(whoami)
 
 # Mount the data disk
+# First wait for the disk to become available
+WAIT_TIME=0
+MAX_WAIT_TIME=60
+
+while [ ! -e /dev/sdc ]; do
+    if [ $WAIT_TIME -ge $MAX_WAIT_TIME ]; then
+        echo "Error: /dev/sdc did not become available within $MAX_WAIT_TIME seconds."
+        exit 1
+    fi
+
+    echo "Waiting for /dev/sdc to be available... ($WAIT_TIME/$MAX_WAIT_TIME)"
+    sleep 1
+    WAIT_TIME=$((WAIT_TIME + 1))
+done
+
+# Then mount it
 if [ -d "/n8n" ]; then
 	echo "Data disk already mounted. Clearing it..."
 	sudo rm -rf /n8n/*
@@ -28,8 +44,8 @@ curl -fsSL https://deb.nodesource.com/setup_20.x -o nodesource_setup.sh
 sudo -E bash nodesource_setup.sh
 
 # Install docker, docker compose and nodejs
-sudo DEBIAN_FRONTEND=noninteractive apt-get update
+sudo DEBIAN_FRONTEND=noninteractive apt-get update -yq
-sudo DEBIAN_FRONTEND=noninteractive apt-get install -y docker.io docker-compose nodejs
+sudo DEBIAN_FRONTEND=noninteractive apt-get install -yq docker.io docker-compose nodejs
 
 # Add the current user to the docker group
 sudo usermod -aG docker "$CURRENT_USER"

packages/@n8n/benchmark/scripts/runForN8nSetup.mjs

@@ -30,6 +30,8 @@ async function main() {
 
 	const runDir = path.join(baseRunDir, n8nSetupToUse);
 	fs.emptyDirSync(runDir);
+	// Make sure the n8n container user (node) has write permissions to the run directory
+	await $`chmod 777 ${runDir}`;
 
 	const dockerComposeClient = new DockerComposeClient({
 		$: $({

packages/@n8n/benchmark/scripts/runInCloud.mjs

@@ -122,9 +122,7 @@ async function ensureVmIsReachable(sshClient) {
  * @returns Path where the scripts are located on the VM
  */
 async function transferScriptsToVm(sshClient) {
-	await sshClient.ssh('rm -rf ~/n8n');
+	await sshClient.ssh('rm -rf ~/n8n && git clone --depth=1 https://github.com/n8n-io/n8n.git');
-
-	await sshClient.ssh('git clone --depth=1 https://github.com/n8n-io/n8n.git');
 
 	return '~/n8n/packages/@n8n/benchmark/scripts';
 }