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Quickstart: Create a budget with Bicep

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Budgets in Cost Management help you plan for and drive organizational accountability. With budgets, you can account for the Azure services you consume or subscribe to during a specific period. They help you inform others about their spending to proactively manage costs and monitor how spending progresses over time. When the budget thresholds you've created are exceeded, notifications are triggered. None of your resources are affected and your consumption isn't stopped. You can use budgets to compare and track spending as you analyze costs. This quickstart shows you how to create a budget named 'MyBudget' using Bicep.

Bicep is a domain-specific language (DSL) that uses declarative syntax to deploy Azure resources. It provides concise syntax, reliable type safety, and support for code reuse. Bicep offers the best authoring experience for your infrastructure-as-code solutions in Azure.

Prerequisites

If you don't have an Azure subscription, create a free account before you begin.

If you have a new subscription, you can't immediately create a budget or use other Cost Management features. It might take up to 48 hours before you can use all Cost Management features.

Budgets are supported for the following types of Azure account types and scopes:

  • Azure role-based access control (Azure RBAC) scopes
    • Management groups
    • Subscription
  • Enterprise Agreement scopes
    • Billing account
    • Department
    • Enrollment account
  • Individual agreements
    • Billing account
  • Microsoft Customer Agreement scopes
    • Billing account
    • Billing profile
    • Invoice section
    • Customer
  • AWS scopes
    • External account
    • External subscription

To view budgets, you need at least read access for your Azure account.

For Azure EA subscriptions, you must have read access to view budgets. To create and manage budgets, you must have contributor permission.

The following Azure permissions, or scopes, are supported per subscription for budgets by user and group. For more information about scopes, see Understand and work with scopes.

  • Owner: Can create, modify, or delete budgets for a subscription.
  • Contributor and Cost Management contributor: Can create, modify, or delete their own budgets. Can modify the budget amount for budgets created by others.
  • Reader and Cost Management reader: Can view budgets that they have permission to.

For more information about assigning permission to Cost Management data, see Assign access to Cost Management data.

No filter

Review the Bicep file

The Bicep file used in this quickstart is from Azure Quickstart Templates.

targetScope = 'subscription'

@description('Name of the Budget. It should be unique within a resource group.')
param budgetName string = 'MyBudget'

@description('The total amount of cost or usage to track with the budget')
param amount int = 1000

@description('The time covered by a budget. Tracking of the amount will be reset based on the time grain.')
@allowed([
  'Monthly'
  'Quarterly'
  'Annually'
])
param timeGrain string = 'Monthly'

@description('The start date must be first of the month in YYYY-MM-DD format. Future start date should not be more than three months. Past start date should be selected within the timegrain preiod.')
param startDate string

@description('The end date for the budget in YYYY-MM-DD format. If not provided, we default this to 10 years from the start date.')
param endDate string

@description('Threshold value associated with a notification. Notification is sent when the cost exceeded the threshold. It is always percent and has to be between 0.01 and 1000.')
param firstThreshold int = 90

@description('Threshold value associated with a notification. Notification is sent when the cost exceeded the threshold. It is always percent and has to be between 0.01 and 1000.')
param secondThreshold int = 110

@description('The list of email addresses to send the budget notification to when the threshold is exceeded.')
param contactEmails array

resource budget 'Microsoft.Consumption/budgets@2023-11-01' = {
  name: budgetName
  properties: {
    timePeriod: {
      startDate: startDate
      endDate: endDate
    }
    timeGrain: timeGrain
    amount: amount
    category: 'Cost'
    notifications: {
      NotificationForExceededBudget1: {
        enabled: true
        operator: 'GreaterThan'
        threshold: firstThreshold
        contactEmails: contactEmails
      }
      NotificationForExceededBudget2: {
        enabled: true
        operator: 'GreaterThan'
        threshold: secondThreshold
        contactEmails: contactEmails
      }
    }
  }
}

output name string = budget.name
output resourceId string = budget.id

One Azure resource is defined in the Bicep file:

Deploy the Bicep file

  1. Save the Bicep file as main.bicep to your local computer.

  2. Deploy the Bicep file using either Azure CLI or Azure PowerShell.

    myContactEmails ='("user1@contoso.com", "user2@contoso.com")'

az deployment sub create --name demoSubDeployment --location centralus --template-file main.bicep --parameters startDate=<start-date> endDate=<end-date> contactEmails=$myContactEmails

    You need to enter the following parameters:

    • startDate: Replace <start-date> with the start date. It must be the first of the month in YYYY-MM-DD format. A future start date shouldn't be more than three months in the future. A past start date should be selected within the timegrain period.
    • endDate: Replace <end-date> with the end date in YYYY-MM-DD format. If not provided, it defaults to ten years from the start date.
    • contactEmails: First create a variable that holds your emails and then pass that variable. Replace the sample emails with the email addresses to send the budget notification to when the threshold is exceeded.

    Note

    When the deployment finishes, you should see a message indicating the deployment succeeded.

One filter

Review the Bicep file

The Bicep file used in this quickstart is from Azure Quickstart Templates.

targetScope = 'subscription'

@description('Name of the Budget. It should be unique within a resource group.')
param budgetName string = 'MyBudget'

@description('The total amount of cost or usage to track with the budget')
param amount int = 1000

@description('The time covered by a budget. Tracking of the amount will be reset based on the time grain.')
@allowed([
  'Monthly'
  'Quarterly'
  'Annually'
])
param timeGrain string = 'Monthly'

@description('The start date must be first of the month in YYYY-MM-DD format. Future start date should not be more than three months. Past start date should be selected within the timegrain preiod.')
param startDate string

@description('The end date for the budget in YYYY-MM-DD format. If not provided, we default this to 10 years from the start date.')
param endDate string

@description('Threshold value associated with a notification. Notification is sent when the cost exceeded the threshold. It is always percent and has to be between 0.01 and 1000.')
param firstThreshold int = 90

@description('Threshold value associated with a notification. Notification is sent when the cost exceeded the threshold. It is always percent and has to be between 0.01 and 1000.')
param secondThreshold int = 110

@description('The list of email addresses to send the budget notification to when the threshold is exceeded.')
param contactEmails array

@description('The set of values for the resource group filter.')
param resourceGroupFilterValues array

resource budget 'Microsoft.Consumption/budgets@2021-10-01' = {
  name: budgetName
  properties: {
    timePeriod: {
      startDate: startDate
      endDate: endDate
    }
    timeGrain: timeGrain
    amount: amount
    category: 'Cost'
    notifications: {
      NotificationForExceededBudget1: {
        enabled: true
        operator: 'GreaterThan'
        threshold: firstThreshold
        contactEmails: contactEmails
      }
      NotificationForExceededBudget2: {
        enabled: true
        operator: 'GreaterThan'
        threshold: secondThreshold
        contactEmails: contactEmails
      }
    }
    filter: {
      dimensions: {
        name: 'ResourceGroupName'
        operator: 'In'
        values: resourceGroupFilterValues
      }
    }
  }
}

One Azure resource is defined in the Bicep file:

Deploy the Bicep file

  1. Save the Bicep file as main.bicep to your local computer.

  2. Deploy the Bicep file using either Azure CLI or Azure PowerShell.

    myContactEmails ='("user1@contoso.com", "user2@contoso.com")'
myRgFilterValues ='("resource-group-01", "resource-group-02")'

az deployment sub create --name demoSubDeployment --location centralus --template-file main.bicep --parameters startDate=<start-date> endDate=<end-date> contactEmails=$myContactEmails resourceGroupFilterValues=$myRgFilterValues

    You need to enter the following parameters:

    • startDate: Replace <start-date> with the start date. It must be the first of the month in YYYY-MM-DD format. A future start date shouldn't be more than three months in the future. A past start date should be selected within the timegrain period.
    • endDate: Replace <end-date> with the end date in YYYY-MM-DD format. If not provided, it defaults to ten years from the start date.
    • contactEmails: First create a variable that holds your emails and then pass that variable. Replace the sample emails with the email addresses to send the budget notification to when the threshold is exceeded.
    • resourceGroupFilterValues First create a variable that holds your resource group filter values and then pass that variable. Replace the sample filter values with the set of values for your resource group filter.

    Note

    When the deployment finishes, you should see a message indicating the deployment succeeded.

Two or more filters

Review the Bicep file

The Bicep file used in this quickstart is from Azure Quickstart Templates.

targetScope = 'subscription'

@description('Name of the Budget. It should be unique within a resource group.')
param budgetName string = 'MyBudget'

@description('The total amount of cost or usage to track with the budget')
param amount int = 1000

@description('The time covered by a budget. Tracking of the amount will be reset based on the time grain.')
@allowed([
  'Monthly'
  'Quarterly'
  'Annually'
])
param timeGrain string = 'Monthly'

@description('The start date must be first of the month in YYYY-MM-DD format. Future start date should not be more than three months. Past start date should be selected within the timegrain preiod.')
param startDate string

@description('The end date for the budget in YYYY-MM-DD format. If not provided, we default this to 10 years from the start date.')
param endDate string

@description('Threshold value associated with a notification. Notification is sent when the cost exceeded the threshold. It is always percent and has to be between 0.01 and 1000.')
param firstThreshold int = 90

@description('Threshold value associated with a notification. Notification is sent when the cost exceeded the threshold. It is always percent and has to be between 0.01 and 1000.')
param secondThreshold int = 110

@description('The list of contact roles to send the budget notification to when the threshold is exceeded.')
param contactRoles array = [
  'Owner'
  'Contributor'
  'Reader'
]

@description('The list of email addresses to send the budget notification to when the threshold is exceeded.')
param contactEmails array

@description('The list of action groups to send the budget notification to when the threshold is exceeded. It accepts array of strings.')
param contactGroups array

@description('The set of values for the resource group filter.')
param resourceGroupFilterValues array

@description('The set of values for the meter category filter.')
param meterCategoryFilterValues array

resource budget 'Microsoft.Consumption/budgets@2021-10-01' = {
  name: budgetName
  properties: {
    timePeriod: {
      startDate: startDate
      endDate: endDate
    }
    timeGrain: timeGrain
    amount: amount
    category: 'Cost'
    notifications: {
      NotificationForExceededBudget1: {
        enabled: true
        operator: 'GreaterThan'
        threshold: firstThreshold
        contactEmails: contactEmails
        contactRoles: contactRoles
        contactGroups: contactGroups
      }
      NotificationForExceededBudget2: {
        enabled: true
        operator: 'GreaterThan'
        threshold: secondThreshold
        contactEmails: contactEmails
        contactRoles: contactRoles
        contactGroups: contactGroups
        thresholdType: 'Forecasted'
      }
    }
    filter: {
      and: [
        {
          dimensions: {
            name: 'ResourceGroupName'
            operator: 'In'
            values: resourceGroupFilterValues
          }
        }
        {
          dimensions: {
            name: 'MeterCategory'
            operator: 'In'
            values: meterCategoryFilterValues
          }
        }
      ]
    }
  }
}

One Azure resource is defined in the Bicep file:

Deploy the Bicep file

  1. Save the Bicep file as main.bicep to your local computer.

  2. Deploy the Bicep file using either Azure CLI or Azure PowerShell.

    myContactEmails ='("user1@contoso.com", "user2@contoso.com")'
myContactGroups ='("/subscriptions/{sub-id}/resourceGroups/{rg-name}/providers/microsoft.insights/actionGroups/groupone", "/subscriptions/{sub-id}/resourceGroups/{rg-name}/providers/microsoft.insights/actionGroups/grouptwo")'
myRgFilterValues ='("resource-group-01", "resource-group-02")'
myMeterCategoryFilterValues ='("meter-category-01", "meter-category-02")'

az deployment sub create --name demoSubDeployment --location centralus --template-file main.bicep --parameters startDate=<start-date> endDate=<end-date> contactEmails=$myContactEmails contactGroups=$myContactGroups resourceGroupFilterValues=$myRgFilterValues meterCategoryFilterValues=$myMeterCategoryFilterValues

    You need to enter the following parameters:

    • startDate: Replace <start-date> with the start date. It must be the first of the month in YYYY-MM-DD format. A future start date shouldn't be more than three months in the future. A past start date should be selected within the timegrain period.
    • endDate: Replace <end-date> with the end date in YYYY-MM-DD format. If not provided, it defaults to ten years from the start date.
    • contactEmails: First create a variable that holds your emails and then pass that variable. Replace the sample emails with the email addresses to send the budget notification to when the threshold is exceeded.
    • contactGroups: First create a variable that holds your contact groups and then pass that variable. Replace the sample contact groups with the list of action groups to send the budget notification to when the threshold is exceeded. You must pass the resource ID of the action group, which you can get with az monitor action-group show or Get-AzActionGroup.
    • resourceGroupFilterValues: First create a variable that holds your resource group filter values and then pass that variable. Replace the sample filter values with the set of values for your resource group filter.
    • meterCategoryFilterValues: First create a variable that holds your meter category filter values and then pass that variable. Replace the sample filter values within parentheses with the set of values for your meter category filter.

    Note

    When the deployment finishes, you should see a message indicating the deployment succeeded.

Review deployed resources

Use the Azure portal, Azure CLI, or Azure PowerShell to list the deployed resources in the resource group.

az consumption budget list

Clean up resources

When you no longer need the budget, use the Azure portal, Azure CLI, or Azure PowerShell to delete it:

az consumption budget delete --budget-name MyBudget

Next steps

In this quickstart, you created a budget and deployed it using Bicep. To learn more about Cost Management and Billing and Bicep, continue on to the articles below.