GCP DevOps Project

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Setting up Budget and Alerting in GCP account

Effective cost management in Google Cloud Platform (GCP) starts with creating budgets and defining alert thresholds. This guide walks you through every step— from initial setup to creating both project-level and service-specific budgets—so you can prevent unexpected charges.

Prerequisites

  • You are signed in to the GCP Console with your target project selected.
  • Billing is enabled for that project.

Why Budgets Matter

Setting budgets and alerts helps you stay within expected costs, especially when idle resources or sudden usage spikes can lead to unexpected charges.


1. Access the Billing Dashboard

  1. Go to the GCP Console.
  2. Confirm the correct project is selected in the top toolbar.
  3. Search for Billing in the navigation bar and click Billing.

You will land on the Billing dashboard, where all cost-management tools are available.


2. Open Budgets & Alerts

In the left-hand menu, click Budgets & alerts. Since you haven’t created any budgets yet, the list will be blank.


3. Create Your First Budget

  1. Click CREATE BUDGET.
  2. Name your budget, for example learning_budget.
  3. Under Budget scope:
    • Time range: Select Monthly.
    • Projects: Pick your current project.
    • Services: Leave All services to monitor total spend.
  4. Click Next.

The image shows a Google Cloud billing interface where a budget is being created. It includes options for setting the time range and services, with a cost trend graph displayed on the right.


4. Set Your Budget Amount

  1. In Budget amount, type your limit (e.g., 10 for $10).
  2. Review the cost trend graph on the right—this visual compares historical spend against your chosen threshold.
  3. Click Next to move on to notification settings.

The image shows a Google Cloud billing interface where a user is setting a monthly budget amount of $10, with a cost trend graph displayed on the right.


5. Configure Alert Thresholds

On the Set threshold rules page:

  1. Remove or adjust default thresholds (50%, 90%, 100%) as needed.
  2. For example, keep only 90% ($9) and 100% ($10) alerts.
  3. Under Notifications, choose Email.
  4. By default, alerts will go to your account’s primary email.
  5. Click Finish.

The image shows a Google Cloud billing interface where a budget is being created, with alert threshold rules and a cost trend graph displayed.


6. Verify Your Budget

After creating the budget, you will see it listed on the Budgets & alerts page:

The image shows a Google Cloud Billing dashboard with a budget named "learning_budget" set to a specified amount of $10.00, with no credits used.

This confirms your project-level budget is active and will send email alerts as thresholds are reached.


7. Create a Service-Specific Budget

To monitor spending for a single service, such as Compute Engine:

  1. Click CREATE BUDGET again.
  2. Name it (e.g., compute_budget).
  3. Under Budget scope:
    • Time range: Monthly
    • Projects: Your target project
    • Services: Select Compute Engine from the dropdown
  4. Click Next, set a Budget amount (e.g., $5), adjust thresholds, then click Finish.

Now you’ll receive alerts for:

  • Project-level budget monitoring all services.
  • Service-level budget exclusively for Compute Engine.

Best PracticeDescription
Use Multiple BudgetsCombine project-level and resource-level budgets for granular control.
Adjust Thresholds StrategicallySet early alerts (e.g., 50%) to diagnose cost spikes before they grow.
Review Alerts WeeklyRegularly review alert emails to identify and clean up idle resources.
Integrate with Pub/SubForward budget notifications to Pub/Sub for automated cost-management actions.

Warning

Alerts are not blocking—resources won’t stop once you exceed a budget. Regularly review and clean up unused resources to control costs.


References

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