pub struct ResourceChangeDetail {
pub causing_entity: Option<String>,
pub change_source: Option<String>,
pub evaluation: Option<String>,
pub target: Option<ResourceTargetDefinition>,
}
Expand description
For a resource with Modify
as the action, the ResourceChange
structure describes the changes AWS CloudFormation will make to that resource.
Fields
causing_entity: Option<String>
The identity of the entity that triggered this change. This entity is a member of the group that is specified by the ChangeSource
field. For example, if you modified the value of the KeyPairName
parameter, the CausingEntity
is the name of the parameter (KeyPairName
).
If the ChangeSource
value is DirectModification
, no value is given for CausingEntity
.
change_source: Option<String>
The group to which the CausingEntity
value belongs. There are five entity groups:
-
ResourceReference
entities areRef
intrinsic functions that refer to resources in the template, such as{ "Ref" : "MyEC2InstanceResource" }
. -
ParameterReference
entities areRef
intrinsic functions that get template parameter values, such as{ "Ref" : "MyPasswordParameter" }
. -
ResourceAttribute
entities areFn::GetAtt
intrinsic functions that get resource attribute values, such as{ "Fn::GetAtt" : [ "MyEC2InstanceResource", "PublicDnsName" ] }
. -
DirectModification
entities are changes that are made directly to the template. -
Automatic
entities areAWS::CloudFormation::Stack
resource types, which are also known as nested stacks. If you made no changes to theAWS::CloudFormation::Stack
resource, AWS CloudFormation sets theChangeSource
toAutomatic
because the nested stack's template might have changed. Changes to a nested stack's template aren't visible to AWS CloudFormation until you run an update on the parent stack.
evaluation: Option<String>
Indicates whether AWS CloudFormation can determine the target value, and whether the target value will change before you execute a change set.
For Static
evaluations, AWS CloudFormation can determine that the target value will change, and its value. For example, if you directly modify the InstanceType
property of an EC2 instance, AWS CloudFormation knows that this property value will change, and its value, so this is a Static
evaluation.
For Dynamic
evaluations, cannot determine the target value because it depends on the result of an intrinsic function, such as a Ref
or Fn::GetAtt
intrinsic function, when the stack is updated. For example, if your template includes a reference to a resource that is conditionally recreated, the value of the reference (the physical ID of the resource) might change, depending on if the resource is recreated. If the resource is recreated, it will have a new physical ID, so all references to that resource will also be updated.
target: Option<ResourceTargetDefinition>
A ResourceTargetDefinition
structure that describes the field that AWS CloudFormation will change and whether the resource will be recreated.
Trait Implementations
sourceimpl Clone for ResourceChangeDetail
impl Clone for ResourceChangeDetail
sourcefn clone(&self) -> ResourceChangeDetail
fn clone(&self) -> ResourceChangeDetail
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl Debug for ResourceChangeDetail
impl Debug for ResourceChangeDetail
sourceimpl Default for ResourceChangeDetail
impl Default for ResourceChangeDetail
sourcefn default() -> ResourceChangeDetail
fn default() -> ResourceChangeDetail
Returns the “default value” for a type. Read more
sourceimpl PartialEq<ResourceChangeDetail> for ResourceChangeDetail
impl PartialEq<ResourceChangeDetail> for ResourceChangeDetail
sourcefn eq(&self, other: &ResourceChangeDetail) -> bool
fn eq(&self, other: &ResourceChangeDetail) -> bool
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
sourcefn ne(&self, other: &ResourceChangeDetail) -> bool
fn ne(&self, other: &ResourceChangeDetail) -> bool
This method tests for !=
.
impl StructuralPartialEq for ResourceChangeDetail
Auto Trait Implementations
impl RefUnwindSafe for ResourceChangeDetail
impl Send for ResourceChangeDetail
impl Sync for ResourceChangeDetail
impl Unpin for ResourceChangeDetail
impl UnwindSafe for ResourceChangeDetail
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more