CfnWebACL
- class aws_cdk.aws_wafregional.CfnWebACL(scope, id, *, default_action, metric_name, name, rules=None)
Bases:
CfnResource
This is AWS WAF Classic documentation.
For more information, see AWS WAF Classic in the developer guide. .. epigraph:
*For the latest version of AWS WAF* , use the AWS WAF V2 API and see the `AWS WAF Developer Guide <https://docs.aws.amazon.com/waf/latest/developerguide/waf-chapter.html>`_ . With the latest version, AWS WAF has a single set of endpoints for regional and global use.
Contains the
Rules
that identify the requests that you want to allow, block, or count. In aWebACL
, you also specify a default action (ALLOW
orBLOCK
), and the action for eachRule
that you add to aWebACL
, for example, block requests from specified IP addresses or block requests from specified referrers. If you add more than oneRule
to aWebACL
, a request needs to match only one of the specifications to be allowed, blocked, or counted.To identify the requests that you want AWS WAF to filter, you associate the
WebACL
with an API Gateway API or an Application Load Balancer.- see:
http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-wafregional-webacl.html
- cloudformationResource:
AWS::WAFRegional::WebACL
- exampleMetadata:
fixture=_generated
Example:
# The code below shows an example of how to instantiate this type. # The values are placeholders you should change. from aws_cdk import aws_wafregional as wafregional cfn_web_aCL = wafregional.CfnWebACL(self, "MyCfnWebACL", default_action=wafregional.CfnWebACL.ActionProperty( type="type" ), metric_name="metricName", name="name", # the properties below are optional rules=[wafregional.CfnWebACL.RuleProperty( action=wafregional.CfnWebACL.ActionProperty( type="type" ), priority=123, rule_id="ruleId" )] )
- Parameters:
scope (
Construct
) – Scope in which this resource is defined.id (
str
) – Construct identifier for this resource (unique in its scope).default_action (
Union
[IResolvable
,ActionProperty
,Dict
[str
,Any
]]) – The action to perform if none of theRules
contained in theWebACL
match. The action is specified by theWafAction
object.metric_name (
str
) – A name for the metrics for thisWebACL
. The name can contain only alphanumeric characters (A-Z, a-z, 0-9), with maximum length 128 and minimum length one. It can’t contain whitespace or metric names reserved for AWS WAF, including “All” and “Default_Action.” You can’t changeMetricName
after you create theWebACL
.name (
str
) – A friendly name or description of theWebACL
. You can’t change the name of aWebACL
after you create it.rules (
Union
[IResolvable
,Sequence
[Union
[IResolvable
,RuleProperty
,Dict
[str
,Any
]]],None
]) – An array that contains the action for eachRule
in aWebACL
, the priority of theRule
, and the ID of theRule
.
Methods
- add_deletion_override(path)
Syntactic sugar for
addOverride(path, undefined)
.- Parameters:
path (
str
) – The path of the value to delete.- Return type:
None
- add_dependency(target)
Indicates that this resource depends on another resource and cannot be provisioned unless the other resource has been successfully provisioned.
This can be used for resources across stacks (or nested stack) boundaries and the dependency will automatically be transferred to the relevant scope.
- Parameters:
target (
CfnResource
) –- Return type:
None
- add_depends_on(target)
(deprecated) Indicates that this resource depends on another resource and cannot be provisioned unless the other resource has been successfully provisioned.
- Parameters:
target (
CfnResource
) –- Deprecated:
use addDependency
- Stability:
deprecated
- Return type:
None
- add_metadata(key, value)
Add a value to the CloudFormation Resource Metadata.
- Parameters:
key (
str
) –value (
Any
) –
- See:
- Return type:
None
Note that this is a different set of metadata from CDK node metadata; this metadata ends up in the stack template under the resource, whereas CDK node metadata ends up in the Cloud Assembly.
- add_override(path, value)
Adds an override to the synthesized CloudFormation resource.
To add a property override, either use
addPropertyOverride
or prefixpath
with “Properties.” (i.e.Properties.TopicName
).If the override is nested, separate each nested level using a dot (.) in the path parameter. If there is an array as part of the nesting, specify the index in the path.
To include a literal
.
in the property name, prefix with a\
. In most programming languages you will need to write this as"\\."
because the\
itself will need to be escaped.For example:
cfn_resource.add_override("Properties.GlobalSecondaryIndexes.0.Projection.NonKeyAttributes", ["myattribute"]) cfn_resource.add_override("Properties.GlobalSecondaryIndexes.1.ProjectionType", "INCLUDE")
would add the overrides Example:
"Properties": { "GlobalSecondaryIndexes": [ { "Projection": { "NonKeyAttributes": [ "myattribute" ] ... } ... }, { "ProjectionType": "INCLUDE" ... }, ] ... }
The
value
argument toaddOverride
will not be processed or translated in any way. Pass raw JSON values in here with the correct capitalization for CloudFormation. If you pass CDK classes or structs, they will be rendered with lowercased key names, and CloudFormation will reject the template.- Parameters:
path (
str
) –The path of the property, you can use dot notation to override values in complex types. Any intermediate keys will be created as needed.
value (
Any
) –The value. Could be primitive or complex.
- Return type:
None
- add_property_deletion_override(property_path)
Adds an override that deletes the value of a property from the resource definition.
- Parameters:
property_path (
str
) – The path to the property.- Return type:
None
- add_property_override(property_path, value)
Adds an override to a resource property.
Syntactic sugar for
addOverride("Properties.<...>", value)
.- Parameters:
property_path (
str
) – The path of the property.value (
Any
) – The value.
- Return type:
None
- apply_removal_policy(policy=None, *, apply_to_update_replace_policy=None, default=None)
Sets the deletion policy of the resource based on the removal policy specified.
The Removal Policy controls what happens to this resource when it stops being managed by CloudFormation, either because you’ve removed it from the CDK application or because you’ve made a change that requires the resource to be replaced.
The resource can be deleted (
RemovalPolicy.DESTROY
), or left in your AWS account for data recovery and cleanup later (RemovalPolicy.RETAIN
). In some cases, a snapshot can be taken of the resource prior to deletion (RemovalPolicy.SNAPSHOT
). A list of resources that support this policy can be found in the following link:- Parameters:
policy (
Optional
[RemovalPolicy
]) –apply_to_update_replace_policy (
Optional
[bool
]) – Apply the same deletion policy to the resource’s “UpdateReplacePolicy”. Default: truedefault (
Optional
[RemovalPolicy
]) – The default policy to apply in case the removal policy is not defined. Default: - Default value is resource specific. To determine the default value for a resource, please consult that specific resource’s documentation.
- See:
- Return type:
None
- get_att(attribute_name, type_hint=None)
Returns a token for an runtime attribute of this resource.
Ideally, use generated attribute accessors (e.g.
resource.arn
), but this can be used for future compatibility in case there is no generated attribute.- Parameters:
attribute_name (
str
) – The name of the attribute.type_hint (
Optional
[ResolutionTypeHint
]) –
- Return type:
- get_metadata(key)
Retrieve a value value from the CloudFormation Resource Metadata.
- Parameters:
key (
str
) –- See:
- Return type:
Any
Note that this is a different set of metadata from CDK node metadata; this metadata ends up in the stack template under the resource, whereas CDK node metadata ends up in the Cloud Assembly.
- inspect(inspector)
Examines the CloudFormation resource and discloses attributes.
- Parameters:
inspector (
TreeInspector
) – tree inspector to collect and process attributes.- Return type:
None
- obtain_dependencies()
Retrieves an array of resources this resource depends on.
This assembles dependencies on resources across stacks (including nested stacks) automatically.
- Return type:
List
[Union
[Stack
,CfnResource
]]
- obtain_resource_dependencies()
Get a shallow copy of dependencies between this resource and other resources in the same stack.
- Return type:
List
[CfnResource
]
- override_logical_id(new_logical_id)
Overrides the auto-generated logical ID with a specific ID.
- Parameters:
new_logical_id (
str
) – The new logical ID to use for this stack element.- Return type:
None
- remove_dependency(target)
Indicates that this resource no longer depends on another resource.
This can be used for resources across stacks (including nested stacks) and the dependency will automatically be removed from the relevant scope.
- Parameters:
target (
CfnResource
) –- Return type:
None
- replace_dependency(target, new_target)
Replaces one dependency with another.
- Parameters:
target (
CfnResource
) – The dependency to replace.new_target (
CfnResource
) – The new dependency to add.
- Return type:
None
- to_string()
Returns a string representation of this construct.
- Return type:
str
- Returns:
a string representation of this resource
Attributes
- CFN_RESOURCE_TYPE_NAME = 'AWS::WAFRegional::WebACL'
- attr_id
Id
- Type:
cloudformationAttribute
- cfn_options
Options for this resource, such as condition, update policy etc.
- cfn_resource_type
AWS resource type.
- creation_stack
return:
the stack trace of the point where this Resource was created from, sourced from the +metadata+ entry typed +aws:cdk:logicalId+, and with the bottom-most node +internal+ entries filtered.
- default_action
The action to perform if none of the
Rules
contained in theWebACL
match.
- logical_id
The logical ID for this CloudFormation stack element.
The logical ID of the element is calculated from the path of the resource node in the construct tree.
To override this value, use
overrideLogicalId(newLogicalId)
.- Returns:
the logical ID as a stringified token. This value will only get resolved during synthesis.
- metric_name
A name for the metrics for this
WebACL
.
- name
A friendly name or description of the
WebACL
.
- node
The tree node.
- ref
Return a string that will be resolved to a CloudFormation
{ Ref }
for this element.If, by any chance, the intrinsic reference of a resource is not a string, you could coerce it to an IResolvable through
Lazy.any({ produce: resource.ref })
.
- rules
An array that contains the action for each
Rule
in aWebACL
, the priority of theRule
, and the ID of theRule
.
- stack
The stack in which this element is defined.
CfnElements must be defined within a stack scope (directly or indirectly).
Static Methods
- classmethod is_cfn_element(x)
Returns
true
if a construct is a stack element (i.e. part of the synthesized cloudformation template).Uses duck-typing instead of
instanceof
to allow stack elements from different versions of this library to be included in the same stack.- Parameters:
x (
Any
) –- Return type:
bool
- Returns:
The construct as a stack element or undefined if it is not a stack element.
- classmethod is_cfn_resource(x)
Check whether the given object is a CfnResource.
- Parameters:
x (
Any
) –- Return type:
bool
- classmethod is_construct(x)
Checks if
x
is a construct.Use this method instead of
instanceof
to properly detectConstruct
instances, even when the construct library is symlinked.Explanation: in JavaScript, multiple copies of the
constructs
library on disk are seen as independent, completely different libraries. As a consequence, the classConstruct
in each copy of theconstructs
library is seen as a different class, and an instance of one class will not test asinstanceof
the other class.npm install
will not create installations like this, but users may manually symlink construct libraries together or use a monorepo tool: in those cases, multiple copies of theconstructs
library can be accidentally installed, andinstanceof
will behave unpredictably. It is safest to avoid usinginstanceof
, and using this type-testing method instead.- Parameters:
x (
Any
) – Any object.- Return type:
bool
- Returns:
true if
x
is an object created from a class which extendsConstruct
.
ActionProperty
- class CfnWebACL.ActionProperty(*, type)
Bases:
object
Specifies the action AWS WAF takes when a web request matches or doesn’t match all rule conditions.
- Parameters:
type (
str
) – For actions that are associated with a rule, the action that AWS WAF takes when a web request matches all conditions in a rule. For the default action of a web access control list (ACL), the action that AWS WAF takes when a web request doesn’t match all conditions in any rule. Valid settings include the following: -ALLOW
: AWS WAF allows requests -BLOCK
: AWS WAF blocks requests -COUNT
: AWS WAF increments a counter of the requests that match all of the conditions in the rule. AWS WAF then continues to inspect the web request based on the remaining rules in the web ACL. You can’t specifyCOUNT
for the default action for a WebACL.- See:
- ExampleMetadata:
fixture=_generated
Example:
# The code below shows an example of how to instantiate this type. # The values are placeholders you should change. from aws_cdk import aws_wafregional as wafregional action_property = wafregional.CfnWebACL.ActionProperty( type="type" )
Attributes
- type
For actions that are associated with a rule, the action that AWS WAF takes when a web request matches all conditions in a rule.
For the default action of a web access control list (ACL), the action that AWS WAF takes when a web request doesn’t match all conditions in any rule.
Valid settings include the following:
ALLOW
: AWS WAF allows requestsBLOCK
: AWS WAF blocks requestsCOUNT
: AWS WAF increments a counter of the requests that match all of the conditions in the rule. AWS WAF then continues to inspect the web request based on the remaining rules in the web ACL. You can’t specifyCOUNT
for the default action for a WebACL.
RuleProperty
- class CfnWebACL.RuleProperty(*, action, priority, rule_id)
Bases:
object
A combination of
ByteMatchSet
,IPSet
, and/orSqlInjectionMatchSet
objects that identify the web requests that you want to allow, block, or count.For example, you might create a
Rule
that includes the following predicates:An
IPSet
that causes AWS WAF to search for web requests that originate from the IP address192.0.2.44
A
ByteMatchSet
that causes AWS WAF to search for web requests for which the value of theUser-Agent
header isBadBot
.
To match the settings in this
Rule
, a request must originate from192.0.2.44
AND include aUser-Agent
header for which the value isBadBot
.- Parameters:
action (
Union
[IResolvable
,ActionProperty
,Dict
[str
,Any
]]) – The action that AWS WAF takes when a web request matches all conditions in the rule, such as allow, block, or count the request.priority (
Union
[int
,float
]) – The order in which AWS WAF evaluates the rules in a web ACL. AWS WAF evaluates rules with a lower value before rules with a higher value. The value must be a unique integer. If you have multiple rules in a web ACL, the priority numbers do not need to be consecutive.rule_id (
str
) – The ID of an AWS WAF Regional rule to associate with a web ACL.
- See:
- ExampleMetadata:
fixture=_generated
Example:
# The code below shows an example of how to instantiate this type. # The values are placeholders you should change. from aws_cdk import aws_wafregional as wafregional rule_property = wafregional.CfnWebACL.RuleProperty( action=wafregional.CfnWebACL.ActionProperty( type="type" ), priority=123, rule_id="ruleId" )
Attributes
- action
The action that AWS WAF takes when a web request matches all conditions in the rule, such as allow, block, or count the request.
- priority
The order in which AWS WAF evaluates the rules in a web ACL.
AWS WAF evaluates rules with a lower value before rules with a higher value. The value must be a unique integer. If you have multiple rules in a web ACL, the priority numbers do not need to be consecutive.
- rule_id
The ID of an AWS WAF Regional rule to associate with a web ACL.