Microsoft.Chaos experiments 2023-04-15-preview

2025-03-25

Bicep resource definition

The experiments resource type can be deployed with operations that target:

For a list of changed properties in each API version, see change log.

Resource format

To create a Microsoft.Chaos/experiments resource, add the following Bicep to your template.

resource symbolicname 'Microsoft.Chaos/experiments@2023-04-15-preview' = {
  scope: resourceSymbolicName or scope
  identity: {
    type: 'string'
    userAssignedIdentities: {
      {customized property}: {}
    }
  }
  ___location: 'string'
  name: 'string'
  properties: {
    selectors: [
      {
        filter: {
          type: 'string'
          // For remaining properties, see Filter objects
        }
        id: 'string'
        type: 'string'
        // For remaining properties, see Selector objects
      }
    ]
    startOnCreation: bool
    steps: [
      {
        branches: [
          {
            actions: [
              {
                name: 'string'
                type: 'string'
                // For remaining properties, see Action objects
              }
            ]
            name: 'string'
          }
        ]
        name: 'string'
      }
    ]
  }
  tags: {
    {customized property}: 'string'
  }
}

Selector objects

Set the type property to specify the type of object.

For List, use:

{
  targets: [
    {
      id: 'string'
      type: 'string'
    }
  ]
  type: 'List'
}

For Query, use:

{
  queryString: 'string'
  subscriptionIds: [
    'string'
  ]
  type: 'Query'
}

Filter objects

Set the type property to specify the type of object.

For Simple, use:

{
  parameters: {
    zones: [
      'string'
    ]
  }
  type: 'Simple'
}

Action objects

Set the type property to specify the type of object.

For continuous, use:

{
  duration: 'string'
  parameters: [
    {
      key: 'string'
      value: 'string'
    }
  ]
  selectorId: 'string'
  type: 'continuous'
}

For delay, use:

{
  duration: 'string'
  type: 'delay'
}

For discrete, use:

{
  parameters: [
    {
      key: 'string'
      value: 'string'
    }
  ]
  selectorId: 'string'
  type: 'discrete'
}

Property Values

Microsoft.Chaos/experiments

Name	Description	Value
identity	The identity of the experiment resource.	ResourceIdentity
___location	The geo-___location where the resource lives	string (required)
name	The resource name	string Constraints: Min length = 1 Pattern = `^[^<>%&:?#/\\]+$` (required)
properties	The properties of the experiment resource.	ExperimentProperties (required)
scope	Use when creating a resource at a scope that is different than the deployment scope.	Set this property to the symbolic name of a resource to apply the extension resource.
tags	Resource tags	Dictionary of tag names and values. See Tags in templates

Action

Name	Description	Value
name	String that represents a Capability URN.	string Constraints: Max length = 2048 (required)
type	Set to 'continuous' for type ContinuousAction. Set to 'delay' for type DelayAction. Set to 'discrete' for type DiscreteAction.	'continuous' 'delay' 'discrete' (required)

Branch

Name	Description	Value
actions	List of actions.	Action[] (required)
name	String of the branch name.	string Constraints: Min length = 1 (required)

ContinuousAction

Name	Description	Value
duration	ISO8601 formatted string that represents a duration.	string (required)
parameters	List of key value pairs.	KeyValuePair[] (required)
selectorId	String that represents a selector.	string Constraints: Min length = 1 (required)
type	Enum that discriminates between action models.	'continuous' (required)

DelayAction

Name	Description	Value
duration	ISO8601 formatted string that represents a duration.	string (required)
type	Enum that discriminates between action models.	'delay' (required)

DiscreteAction

Name	Description	Value
parameters	List of key value pairs.	KeyValuePair[] (required)
selectorId	String that represents a selector.	string Constraints: Min length = 1 (required)
type	Enum that discriminates between action models.	'discrete' (required)

ExperimentProperties

Name	Description	Value
selectors	List of selectors.	Selector[] (required)
startOnCreation	A boolean value that indicates if experiment should be started on creation or not.	bool
steps	List of steps.	Step[] (required)

Filter

Name	Description	Value
type	Set to 'Simple' for type SimpleFilter.	'Simple' (required)

KeyValuePair

Name	Description	Value
key	The name of the setting for the action.	string Constraints: Min length = 1 (required)
value	The value of the setting for the action.	string Constraints: Min length = 1 (required)

ListSelector

Name	Description	Value
targets	List of Target references.	TargetReference[] (required)
type	Enum of the selector type.	'List' (required)

QuerySelector

Name	Description	Value
queryString	Azure Resource Graph (ARG) Query Language query for target resources.	string (required)
subscriptionIds	Subscription id list to scope resource query.	string[] (required)
type	Enum of the selector type.	'Query' (required)

ResourceIdentity

Name	Description	Value
type	String of the resource identity type.	'None' 'SystemAssigned' 'UserAssigned' (required)
userAssignedIdentities	The list of user identities associated with the Experiment. The user identity dictionary key references will be ARM resource ids in the form: '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ManagedIdentity/userAssignedIdentities/{identityName}'.	UserAssignedIdentities

Selector

Name	Description	Value
filter	Model that represents available filter types that can be applied to a targets list.	Filter
id	String of the selector ID.	string Constraints: Min length = 1 (required)
type	Set to 'List' for type ListSelector. Set to 'Query' for type QuerySelector.	'List' 'Query' (required)

SimpleFilter

Name	Description	Value
parameters	Model that represents the Simple filter parameters.	SimpleFilterParameters
type	Enum that discriminates between filter types. Currently only `Simple` type is supported.	'Simple' (required)

SimpleFilterParameters

Name	Description	Value
zones	List of Azure availability zones to filter targets by.	string[]

Step

Name	Description	Value
branches	List of branches.	Branch[] (required)
name	String of the step name.	string Constraints: Min length = 1 (required)

TargetReference

Name	Description	Value
id	String of the resource ID of a Target resource.	string Constraints: Pattern = `^\/[Ss][Uu][Bb][Ss][Cc][Rr][Ii][Pp][Tt][Ii][Oo][Nn][Ss]\/[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}\/[Rr][Ee][Ss][Oo][Uu][Rr][Cc][Ee][Gg][Rr][Oo][Uu][Pp][Ss]\/[a-zA-Z0-9_\-\.\(\)]*[a-zA-Z0-9_\-\(\)]\/[Pp][Rr][Oo][Vv][Ii][Dd][Ee][Rr][Ss]\/[a-zA-Z0-9]+\.[a-zA-Z0-9]+\/[a-zA-Z0-9_\-\.]+\/[a-zA-Z0-9_\-\.]+\/[Pp][Rr][Oo][Vv][Ii][Dd][Ee][Rr][Ss]\/[Mm][Ii][Cc][Rr][Oo][Ss][Oo][Ff][Tt]\.[Cc][Hh][Aa][Oo][Ss]\/[Tt][Aa][Rr][Gg][Ee][Tt][Ss]\/[a-zA-Z0-9_\-\.]+$` (required)
type	Enum of the Target reference type.	'ChaosTarget' (required)

TrackedResourceTags

Name	Description	Value

UserAssignedIdentities

Name	Description	Value

UserAssignedIdentity

Name	Description	Value

ARM template resource definition

The experiments resource type can be deployed with operations that target:

For a list of changed properties in each API version, see change log.

Resource format

To create a Microsoft.Chaos/experiments resource, add the following JSON to your template.

{
  "type": "Microsoft.Chaos/experiments",
  "apiVersion": "2023-04-15-preview",
  "name": "string",
  "identity": {
    "type": "string",
    "userAssignedIdentities": {
      "{customized property}": {
      }
    }
  },
  "___location": "string",
  "properties": {
    "selectors": [ {
      "filter": {
        "type": "string"
        // For remaining properties, see Filter objects
      },
      "id": "string",
      "type": "string"
      // For remaining properties, see Selector objects
    } ],
    "startOnCreation": "bool",
    "steps": [
      {
        "branches": [
          {
            "actions": [ {
              "name": "string",
              "type": "string"
              // For remaining properties, see Action objects
            } ],
            "name": "string"
          }
        ],
        "name": "string"
      }
    ]
  },
  "tags": {
    "{customized property}": "string"
  }
}

Selector objects

Set the type property to specify the type of object.

For List, use:

{
  "targets": [
    {
      "id": "string",
      "type": "string"
    }
  ],
  "type": "List"
}

For Query, use:

{
  "queryString": "string",
  "subscriptionIds": [ "string" ],
  "type": "Query"
}

Filter objects

Set the type property to specify the type of object.

For Simple, use:

{
  "parameters": {
    "zones": [ "string" ]
  },
  "type": "Simple"
}

Action objects

Set the type property to specify the type of object.

For continuous, use:

{
  "duration": "string",
  "parameters": [
    {
      "key": "string",
      "value": "string"
    }
  ],
  "selectorId": "string",
  "type": "continuous"
}

For delay, use:

{
  "duration": "string",
  "type": "delay"
}

For discrete, use:

{
  "parameters": [
    {
      "key": "string",
      "value": "string"
    }
  ],
  "selectorId": "string",
  "type": "discrete"
}

Property Values

Microsoft.Chaos/experiments

Name	Description	Value
apiVersion	The api version	'2023-04-15-preview'
identity	The identity of the experiment resource.	ResourceIdentity
___location	The geo-___location where the resource lives	string (required)
name	The resource name	string Constraints: Min length = 1 Pattern = `^[^<>%&:?#/\\]+$` (required)
properties	The properties of the experiment resource.	ExperimentProperties (required)
tags	Resource tags	Dictionary of tag names and values. See Tags in templates
type	The resource type	'Microsoft.Chaos/experiments'

Action

Name	Description	Value
name	String that represents a Capability URN.	string Constraints: Max length = 2048 (required)
type	Set to 'continuous' for type ContinuousAction. Set to 'delay' for type DelayAction. Set to 'discrete' for type DiscreteAction.	'continuous' 'delay' 'discrete' (required)

Branch

Name	Description	Value
actions	List of actions.	Action[] (required)
name	String of the branch name.	string Constraints: Min length = 1 (required)

ContinuousAction

Name	Description	Value
duration	ISO8601 formatted string that represents a duration.	string (required)
parameters	List of key value pairs.	KeyValuePair[] (required)
selectorId	String that represents a selector.	string Constraints: Min length = 1 (required)
type	Enum that discriminates between action models.	'continuous' (required)

DelayAction

Name	Description	Value
duration	ISO8601 formatted string that represents a duration.	string (required)
type	Enum that discriminates between action models.	'delay' (required)

DiscreteAction

Name	Description	Value
parameters	List of key value pairs.	KeyValuePair[] (required)
selectorId	String that represents a selector.	string Constraints: Min length = 1 (required)
type	Enum that discriminates between action models.	'discrete' (required)

ExperimentProperties

Name	Description	Value
selectors	List of selectors.	Selector[] (required)
startOnCreation	A boolean value that indicates if experiment should be started on creation or not.	bool
steps	List of steps.	Step[] (required)

Filter

Name	Description	Value
type	Set to 'Simple' for type SimpleFilter.	'Simple' (required)

KeyValuePair

Name	Description	Value
key	The name of the setting for the action.	string Constraints: Min length = 1 (required)
value	The value of the setting for the action.	string Constraints: Min length = 1 (required)

ListSelector

Name	Description	Value
targets	List of Target references.	TargetReference[] (required)
type	Enum of the selector type.	'List' (required)

QuerySelector

Name	Description	Value
queryString	Azure Resource Graph (ARG) Query Language query for target resources.	string (required)
subscriptionIds	Subscription id list to scope resource query.	string[] (required)
type	Enum of the selector type.	'Query' (required)

ResourceIdentity

Name	Description	Value
type	String of the resource identity type.	'None' 'SystemAssigned' 'UserAssigned' (required)
userAssignedIdentities	The list of user identities associated with the Experiment. The user identity dictionary key references will be ARM resource ids in the form: '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ManagedIdentity/userAssignedIdentities/{identityName}'.	UserAssignedIdentities

Selector

Name	Description	Value
filter	Model that represents available filter types that can be applied to a targets list.	Filter
id	String of the selector ID.	string Constraints: Min length = 1 (required)
type	Set to 'List' for type ListSelector. Set to 'Query' for type QuerySelector.	'List' 'Query' (required)

SimpleFilter

Name	Description	Value
parameters	Model that represents the Simple filter parameters.	SimpleFilterParameters
type	Enum that discriminates between filter types. Currently only `Simple` type is supported.	'Simple' (required)

SimpleFilterParameters

Name	Description	Value
zones	List of Azure availability zones to filter targets by.	string[]

Step

Name	Description	Value
branches	List of branches.	Branch[] (required)
name	String of the step name.	string Constraints: Min length = 1 (required)

TargetReference

Name	Description	Value
id	String of the resource ID of a Target resource.	string Constraints: Pattern = `^\/[Ss][Uu][Bb][Ss][Cc][Rr][Ii][Pp][Tt][Ii][Oo][Nn][Ss]\/[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}\/[Rr][Ee][Ss][Oo][Uu][Rr][Cc][Ee][Gg][Rr][Oo][Uu][Pp][Ss]\/[a-zA-Z0-9_\-\.\(\)]*[a-zA-Z0-9_\-\(\)]\/[Pp][Rr][Oo][Vv][Ii][Dd][Ee][Rr][Ss]\/[a-zA-Z0-9]+\.[a-zA-Z0-9]+\/[a-zA-Z0-9_\-\.]+\/[a-zA-Z0-9_\-\.]+\/[Pp][Rr][Oo][Vv][Ii][Dd][Ee][Rr][Ss]\/[Mm][Ii][Cc][Rr][Oo][Ss][Oo][Ff][Tt]\.[Cc][Hh][Aa][Oo][Ss]\/[Tt][Aa][Rr][Gg][Ee][Tt][Ss]\/[a-zA-Z0-9_\-\.]+$` (required)
type	Enum of the Target reference type.	'ChaosTarget' (required)

TrackedResourceTags

Name	Description	Value

UserAssignedIdentities

Name	Description	Value

UserAssignedIdentity

Name	Description	Value

Usage Examples

Terraform (AzAPI provider) resource definition

The experiments resource type can be deployed with operations that target:

For a list of changed properties in each API version, see change log.

Resource format

To create a Microsoft.Chaos/experiments resource, add the following Terraform to your template.

resource "azapi_resource" "symbolicname" {
  type = "Microsoft.Chaos/experiments@2023-04-15-preview"
  name = "string"
  parent_id = "string"
  identity {
    type = "string"
    identity_ids = [
      "string"
    ]
  }
  ___location = "string"
  tags = {
    {customized property} = "string"
  }
  body = {
    properties = {
      selectors = [
        {
          filter = {
            type = "string"
            // For remaining properties, see Filter objects
          }
          id = "string"
          type = "string"
          // For remaining properties, see Selector objects
        }
      ]
      startOnCreation = bool
      steps = [
        {
          branches = [
            {
              actions = [
                {
                  name = "string"
                  type = "string"
                  // For remaining properties, see Action objects
                }
              ]
              name = "string"
            }
          ]
          name = "string"
        }
      ]
    }
  }
}

Selector objects

Set the type property to specify the type of object.

For List, use:

{
  targets = [
    {
      id = "string"
      type = "string"
    }
  ]
  type = "List"
}

For Query, use:

{
  queryString = "string"
  subscriptionIds = [
    "string"
  ]
  type = "Query"
}

Filter objects

Set the type property to specify the type of object.

For Simple, use:

{
  parameters = {
    zones = [
      "string"
    ]
  }
  type = "Simple"
}

Action objects

Set the type property to specify the type of object.

For continuous, use:

{
  duration = "string"
  parameters = [
    {
      key = "string"
      value = "string"
    }
  ]
  selectorId = "string"
  type = "continuous"
}

For delay, use:

{
  duration = "string"
  type = "delay"
}

For discrete, use:

{
  parameters = [
    {
      key = "string"
      value = "string"
    }
  ]
  selectorId = "string"
  type = "discrete"
}

Property Values

Microsoft.Chaos/experiments

Name	Description	Value
identity	The identity of the experiment resource.	ResourceIdentity
___location	The geo-___location where the resource lives	string (required)
name	The resource name	string Constraints: Min length = 1 Pattern = `^[^<>%&:?#/\\]+$` (required)
parent_id	The ID of the resource to apply this extension resource to.	string (required)
properties	The properties of the experiment resource.	ExperimentProperties (required)
tags	Resource tags	Dictionary of tag names and values.
type	The resource type	"Microsoft.Chaos/experiments@2023-04-15-preview"

Action

Name	Description	Value
name	String that represents a Capability URN.	string Constraints: Max length = 2048 (required)
type	Set to 'continuous' for type ContinuousAction. Set to 'delay' for type DelayAction. Set to 'discrete' for type DiscreteAction.	'continuous' 'delay' 'discrete' (required)

Branch

Name	Description	Value
actions	List of actions.	Action[] (required)
name	String of the branch name.	string Constraints: Min length = 1 (required)

ContinuousAction

Name	Description	Value
duration	ISO8601 formatted string that represents a duration.	string (required)
parameters	List of key value pairs.	KeyValuePair[] (required)
selectorId	String that represents a selector.	string Constraints: Min length = 1 (required)
type	Enum that discriminates between action models.	'continuous' (required)

DelayAction

Name	Description	Value
duration	ISO8601 formatted string that represents a duration.	string (required)
type	Enum that discriminates between action models.	'delay' (required)

DiscreteAction

Name	Description	Value
parameters	List of key value pairs.	KeyValuePair[] (required)
selectorId	String that represents a selector.	string Constraints: Min length = 1 (required)
type	Enum that discriminates between action models.	'discrete' (required)

ExperimentProperties

Name	Description	Value
selectors	List of selectors.	Selector[] (required)
startOnCreation	A boolean value that indicates if experiment should be started on creation or not.	bool
steps	List of steps.	Step[] (required)

Filter

Name	Description	Value
type	Set to 'Simple' for type SimpleFilter.	'Simple' (required)

KeyValuePair

Name	Description	Value
key	The name of the setting for the action.	string Constraints: Min length = 1 (required)
value	The value of the setting for the action.	string Constraints: Min length = 1 (required)

ListSelector

Name	Description	Value
targets	List of Target references.	TargetReference[] (required)
type	Enum of the selector type.	'List' (required)

QuerySelector

Name	Description	Value
queryString	Azure Resource Graph (ARG) Query Language query for target resources.	string (required)
subscriptionIds	Subscription id list to scope resource query.	string[] (required)
type	Enum of the selector type.	'Query' (required)

ResourceIdentity

Name	Description	Value
type	String of the resource identity type.	'None' 'SystemAssigned' 'UserAssigned' (required)
userAssignedIdentities	The list of user identities associated with the Experiment. The user identity dictionary key references will be ARM resource ids in the form: '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ManagedIdentity/userAssignedIdentities/{identityName}'.	UserAssignedIdentities

Selector

Name	Description	Value
filter	Model that represents available filter types that can be applied to a targets list.	Filter
id	String of the selector ID.	string Constraints: Min length = 1 (required)
type	Set to 'List' for type ListSelector. Set to 'Query' for type QuerySelector.	'List' 'Query' (required)

SimpleFilter

Name	Description	Value
parameters	Model that represents the Simple filter parameters.	SimpleFilterParameters
type	Enum that discriminates between filter types. Currently only `Simple` type is supported.	'Simple' (required)

SimpleFilterParameters

Name	Description	Value
zones	List of Azure availability zones to filter targets by.	string[]

Step

Name	Description	Value
branches	List of branches.	Branch[] (required)
name	String of the step name.	string Constraints: Min length = 1 (required)

TargetReference

Name	Description	Value
id	String of the resource ID of a Target resource.	string Constraints: Pattern = `^\/[Ss][Uu][Bb][Ss][Cc][Rr][Ii][Pp][Tt][Ii][Oo][Nn][Ss]\/[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}\/[Rr][Ee][Ss][Oo][Uu][Rr][Cc][Ee][Gg][Rr][Oo][Uu][Pp][Ss]\/[a-zA-Z0-9_\-\.\(\)]*[a-zA-Z0-9_\-\(\)]\/[Pp][Rr][Oo][Vv][Ii][Dd][Ee][Rr][Ss]\/[a-zA-Z0-9]+\.[a-zA-Z0-9]+\/[a-zA-Z0-9_\-\.]+\/[a-zA-Z0-9_\-\.]+\/[Pp][Rr][Oo][Vv][Ii][Dd][Ee][Rr][Ss]\/[Mm][Ii][Cc][Rr][Oo][Ss][Oo][Ff][Tt]\.[Cc][Hh][Aa][Oo][Ss]\/[Tt][Aa][Rr][Gg][Ee][Tt][Ss]\/[a-zA-Z0-9_\-\.]+$` (required)
type	Enum of the Target reference type.	'ChaosTarget' (required)

TrackedResourceTags

Name	Description	Value

UserAssignedIdentities

Name	Description	Value

UserAssignedIdentity

Name	Description	Value

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