Getting Started with Cloud Monitoring

Create a Compute Engine instance

1. In the Cloud Console dashboard, go to Navigation menu > Compute Engine > VM instances, then click Create instance.
2. Fill in the fields as follows, leaving all other fields at the default value:
   Name: lamp-1-vm
   Region: us-west1
   Zone: us-west1-b
   Series: N1
   Machine type: n1-standard-2
   Boot disk: Debian
   Firewall: Allow HTTP traffic
3. Click Create.

Add Apache2 HTTP Server & Ops Agent on your instance

1. In the Console, click SSH to open a terminal to your instance.
2. Run the following commands in the SSH window to set up Apache2 HTTP Server:

   sudo apt-get update -y
   sudo apt-get install apache2 php7.0 -y
   sudo service apache2 restart

3. Run the Monitoring agent install script command in the SSH terminal of your VM instance to install the Cloud Monitoring agent.

   curl -sSO https://dl.google.com/cloudagents/add-google-cloud-ops-agent-repo.sh
   sudo bash add-google-cloud-ops-agent-repo.sh --also-install
   sudo systemctl status google-cloud-ops-agent"*"

Create an uptime check

1. n the Cloud Console, click Navigation menu > Monitoring.
2. In the Cloud Console, in the left menu, click Uptime checks, and then click +Create Uptime Check.
   
3. Set the following fields:
   Title: Lamp Uptime Check, then click Next.
   Protocol: HTTP
   Resource Type: Instance
   Applies to: Single, lamp-1-vm
   Path: leave at default
   Check Frequency: 1 min
4. Click on Next to leave the other details to default and click Test to verify that your uptime check can connect to the resource.
5. When you see a green check mark everything can connect. Click Create.

Create an alerting policy

1. In the left menu, click Alerting, and then click +Create Policy.
2. Click on Select a metric dropdown. Disable the Show only active resources & metrics.
3. Type Network traffic in filter by resource and metric name and click on VM instance > interface. Select Network traffic (agent.googleapis.com/interface/traffic) and click Apply. Leave all other fields at the default value.
   
4. Click Next.
5. Set the Threshold position to Above threshold, Threshold value to 500 and Advanced Options > Retest window to 1 min. Click Next.
6. Click on drop down arrow next to Notification Channels, then click on Manage Notification Channels.

   A Notification channels page will open in new tab.

7. In Create Email Channel dialog box, enter your personal email address in the Email Address field and a Display name. Click on Save.
8. Go back to the previous Create alerting policy tab.
9. Click on Notification Channels again, then click on the Refresh icon to get the display name you mentioned in the previous step.
10. Click on Notification Channels again if necessary, select your Display name and click OK.
11. Add a message in documentation, which will be included in the emailed alert.
12. Mention the Alert name as Inbound Traffic Alert. Click Next.
13. Review the alert and click Create Policy.

Create a dashboard and chart

1. In the left menu select Dashboards, and then +Create Dashboard.
2. Name the dashboard Cloud Monitoring LAMP Qwik Start Dashboard.
3. Click Line option in Chart library.
4. Name the chart title CPU Load.
5. Click on Resource & Metric dropdown. Disable the Show only active resources & metrics.
6. Type CPU load (1m) in filter by resource and metric name and click on VM instance > Cpu. Select CPU load (1m) and click Apply. Leave all other fields at the default value. Refresh the tab to view the graph.
7. Click + Add Chart and select Line option in Chart library.
8. Name this chart Received Packets.
9. Click on Resource & Metric dropdown. Disable the Show only active resources & metrics.
10. Type Received packets in filter by resource and metric name and click on VM instance > Instance. Select Received packets and click Apply. Refresh the tab to view the graph.
11. Leave the other fields at their default values. You see the chart data.
    

Check the uptime check results and triggered alerts

1. In the Cloud Logging window, select Navigation menu > Monitoring > Uptime checks. This view provides a list of all active uptime checks, and the status of each in different locations.
2. Click the name of the uptime check, Lamp Uptime Check.
3. In the left menu, click Alerting.
4. You see incidents and events listed in the Alerting window.
5. Check your email account. You should see Cloud Monitoring Alerts