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PlacementGroup.go
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PlacementGroup.go
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package awsec2
import (
_init_ "github.com/aws/aws-cdk-go/awscdk/v2/jsii"
_jsii_ "github.com/aws/jsii-runtime-go/runtime"
"github.com/aws/aws-cdk-go/awscdk/v2"
"github.com/aws/aws-cdk-go/awscdk/v2/awsec2/internal"
"github.com/aws/constructs-go/constructs/v10"
)
// Defines a placement group.
//
// Placement groups give you fine-grained control over
// where your instances are provisioned.
//
// Example:
// // The code below shows an example of how to instantiate this type.
// // The values are placeholders you should change.
// import "github.com/aws/aws-cdk-go/awscdk"
//
// placementGroup := awscdk.Aws_ec2.NewPlacementGroup(this, jsii.String("MyPlacementGroup"), &PlacementGroupProps{
// Partitions: jsii.Number(123),
// PlacementGroupName: jsii.String("placementGroupName"),
// SpreadLevel: awscdk.*Aws_ec2.PlacementGroupSpreadLevel_HOST,
// Strategy: awscdk.*Aws_ec2.PlacementGroupStrategy_CLUSTER,
// })
//
type PlacementGroup interface {
awscdk.Resource
IPlacementGroup
// The environment this resource belongs to.
//
// For resources that are created and managed by the CDK
// (generally, those created by creating new class instances like Role, Bucket, etc.),
// this is always the same as the environment of the stack they belong to;
// however, for imported resources
// (those obtained from static methods like fromRoleArn, fromBucketName, etc.),
// that might be different than the stack they were imported into.
Env() *awscdk.ResourceEnvironment
// The tree node.
Node() constructs.Node
// The number of partitions.
//
// Valid only when Strategy is set to PARTITION.
Partitions() *float64
// Returns a string-encoded token that resolves to the physical name that should be passed to the CloudFormation resource.
//
// This value will resolve to one of the following:
// - a concrete value (e.g. `"my-awesome-bucket"`)
// - `undefined`, when a name should be generated by CloudFormation
// - a concrete name generated automatically during synthesis, in
// cross-environment scenarios.
PhysicalName() *string
// The name of this placement group.
PlacementGroupName() *string
// Places instances on distinct hardware.
//
// Spread placement groups are recommended for applications
// that have a small number of critical instances that should be kept separate from each other.
// Launching instances in a spread level placement group reduces the risk of simultaneous failures
// that might occur when instances share the same equipment.
// Spread level placement groups provide access to distinct hardware,
// and are therefore suitable for mixing instance types or launching instances over time.
// If you start or launch an instance in a spread placement group and there is insufficient
// unique hardware to fulfill the request, the request fails. Amazon EC2 makes more distinct hardware
// available over time, so you can try your request again later.
// Placement groups can spread instances across racks or hosts.
// You can use host level spread placement groups only with AWS Outposts.
SpreadLevel() PlacementGroupSpreadLevel
// The stack in which this resource is defined.
Stack() awscdk.Stack
// Which strategy to use when launching instances.
Strategy() PlacementGroupStrategy
// Apply the given removal policy to this resource.
//
// 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`).
ApplyRemovalPolicy(policy awscdk.RemovalPolicy)
GeneratePhysicalName() *string
// Returns an environment-sensitive token that should be used for the resource's "ARN" attribute (e.g. `bucket.bucketArn`).
//
// Normally, this token will resolve to `arnAttr`, but if the resource is
// referenced across environments, `arnComponents` will be used to synthesize
// a concrete ARN with the resource's physical name. Make sure to reference
// `this.physicalName` in `arnComponents`.
GetResourceArnAttribute(arnAttr *string, arnComponents *awscdk.ArnComponents) *string
// Returns an environment-sensitive token that should be used for the resource's "name" attribute (e.g. `bucket.bucketName`).
//
// Normally, this token will resolve to `nameAttr`, but if the resource is
// referenced across environments, it will be resolved to `this.physicalName`,
// which will be a concrete name.
GetResourceNameAttribute(nameAttr *string) *string
// Returns a string representation of this construct.
ToString() *string
}
// The jsii proxy struct for PlacementGroup
type jsiiProxy_PlacementGroup struct {
internal.Type__awscdkResource
jsiiProxy_IPlacementGroup
}
func (j *jsiiProxy_PlacementGroup) Env() *awscdk.ResourceEnvironment {
var returns *awscdk.ResourceEnvironment
_jsii_.Get(
j,
"env",
&returns,
)
return returns
}
func (j *jsiiProxy_PlacementGroup) Node() constructs.Node {
var returns constructs.Node
_jsii_.Get(
j,
"node",
&returns,
)
return returns
}
func (j *jsiiProxy_PlacementGroup) Partitions() *float64 {
var returns *float64
_jsii_.Get(
j,
"partitions",
&returns,
)
return returns
}
func (j *jsiiProxy_PlacementGroup) PhysicalName() *string {
var returns *string
_jsii_.Get(
j,
"physicalName",
&returns,
)
return returns
}
func (j *jsiiProxy_PlacementGroup) PlacementGroupName() *string {
var returns *string
_jsii_.Get(
j,
"placementGroupName",
&returns,
)
return returns
}
func (j *jsiiProxy_PlacementGroup) SpreadLevel() PlacementGroupSpreadLevel {
var returns PlacementGroupSpreadLevel
_jsii_.Get(
j,
"spreadLevel",
&returns,
)
return returns
}
func (j *jsiiProxy_PlacementGroup) Stack() awscdk.Stack {
var returns awscdk.Stack
_jsii_.Get(
j,
"stack",
&returns,
)
return returns
}
func (j *jsiiProxy_PlacementGroup) Strategy() PlacementGroupStrategy {
var returns PlacementGroupStrategy
_jsii_.Get(
j,
"strategy",
&returns,
)
return returns
}
func NewPlacementGroup(scope constructs.Construct, id *string, props *PlacementGroupProps) PlacementGroup {
_init_.Initialize()
if err := validateNewPlacementGroupParameters(scope, id, props); err != nil {
panic(err)
}
j := jsiiProxy_PlacementGroup{}
_jsii_.Create(
"aws-cdk-lib.aws_ec2.PlacementGroup",
[]interface{}{scope, id, props},
&j,
)
return &j
}
func NewPlacementGroup_Override(p PlacementGroup, scope constructs.Construct, id *string, props *PlacementGroupProps) {
_init_.Initialize()
_jsii_.Create(
"aws-cdk-lib.aws_ec2.PlacementGroup",
[]interface{}{scope, id, props},
p,
)
}
// Import a PlacementGroup by its arn.
func PlacementGroup_FromPlacementGroupName(scope constructs.Construct, id *string, placementGroupName *string) IPlacementGroup {
_init_.Initialize()
if err := validatePlacementGroup_FromPlacementGroupNameParameters(scope, id, placementGroupName); err != nil {
panic(err)
}
var returns IPlacementGroup
_jsii_.StaticInvoke(
"aws-cdk-lib.aws_ec2.PlacementGroup",
"fromPlacementGroupName",
[]interface{}{scope, id, placementGroupName},
&returns,
)
return returns
}
// Checks if `x` is a construct.
//
// Use this method instead of `instanceof` to properly detect `Construct`
// 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 class `Construct` in each copy of the `constructs` library
// is seen as a different class, and an instance of one class will not test as
// `instanceof` 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 the `constructs`
// library can be accidentally installed, and `instanceof` will behave
// unpredictably. It is safest to avoid using `instanceof`, and using
// this type-testing method instead.
//
// Returns: true if `x` is an object created from a class which extends `Construct`.
func PlacementGroup_IsConstruct(x interface{}) *bool {
_init_.Initialize()
if err := validatePlacementGroup_IsConstructParameters(x); err != nil {
panic(err)
}
var returns *bool
_jsii_.StaticInvoke(
"aws-cdk-lib.aws_ec2.PlacementGroup",
"isConstruct",
[]interface{}{x},
&returns,
)
return returns
}
// Returns true if the construct was created by CDK, and false otherwise.
func PlacementGroup_IsOwnedResource(construct constructs.IConstruct) *bool {
_init_.Initialize()
if err := validatePlacementGroup_IsOwnedResourceParameters(construct); err != nil {
panic(err)
}
var returns *bool
_jsii_.StaticInvoke(
"aws-cdk-lib.aws_ec2.PlacementGroup",
"isOwnedResource",
[]interface{}{construct},
&returns,
)
return returns
}
// Check whether the given construct is a Resource.
func PlacementGroup_IsResource(construct constructs.IConstruct) *bool {
_init_.Initialize()
if err := validatePlacementGroup_IsResourceParameters(construct); err != nil {
panic(err)
}
var returns *bool
_jsii_.StaticInvoke(
"aws-cdk-lib.aws_ec2.PlacementGroup",
"isResource",
[]interface{}{construct},
&returns,
)
return returns
}
func (p *jsiiProxy_PlacementGroup) ApplyRemovalPolicy(policy awscdk.RemovalPolicy) {
if err := p.validateApplyRemovalPolicyParameters(policy); err != nil {
panic(err)
}
_jsii_.InvokeVoid(
p,
"applyRemovalPolicy",
[]interface{}{policy},
)
}
func (p *jsiiProxy_PlacementGroup) GeneratePhysicalName() *string {
var returns *string
_jsii_.Invoke(
p,
"generatePhysicalName",
nil, // no parameters
&returns,
)
return returns
}
func (p *jsiiProxy_PlacementGroup) GetResourceArnAttribute(arnAttr *string, arnComponents *awscdk.ArnComponents) *string {
if err := p.validateGetResourceArnAttributeParameters(arnAttr, arnComponents); err != nil {
panic(err)
}
var returns *string
_jsii_.Invoke(
p,
"getResourceArnAttribute",
[]interface{}{arnAttr, arnComponents},
&returns,
)
return returns
}
func (p *jsiiProxy_PlacementGroup) GetResourceNameAttribute(nameAttr *string) *string {
if err := p.validateGetResourceNameAttributeParameters(nameAttr); err != nil {
panic(err)
}
var returns *string
_jsii_.Invoke(
p,
"getResourceNameAttribute",
[]interface{}{nameAttr},
&returns,
)
return returns
}
func (p *jsiiProxy_PlacementGroup) ToString() *string {
var returns *string
_jsii_.Invoke(
p,
"toString",
nil, // no parameters
&returns,
)
return returns
}