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autoscaling

package
v1.10.0 Latest Latest
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 Go to latest Published: Aug 4, 2026 License: MIT Imports: 12 Imported by: 0

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Constants

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Variables

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Functions

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Types

type AutoScalingGroup 

type AutoScalingGroup struct {
	Name                   string
	ARN                    string
	LaunchConfigName       string
	LaunchTemplateID       string
	LaunchTemplateName     string
	MinSize                int
	MaxSize                int
	DesiredCapacity        int
	DefaultCooldown        int
	AvailabilityZones      []string
	TargetGroupARNs        []string
	HealthCheckType        string
	HealthCheckGracePeriod int
	VPCZoneIdentifier      string
	Status                 string
	Instances              []*AutoScalingInstance
	Tags                   map[string]string
	CreatedTime            time.Time
}

AutoScalingGroup represents an Auto Scaling group.

type AutoScalingInstance 

type AutoScalingInstance struct {
	InstanceID           string
	AutoScalingGroupName string
	AvailabilityZone     string
	LifecycleState       string
	HealthStatus         string
	LaunchConfigName     string
	ProtectedFromScaleIn bool
}

AutoScalingInstance represents an instance in an ASG.

type AutoScalingService 

type AutoScalingService struct {
	// contains filtered or unexported fields
}

AutoScalingService is the cloudmock implementation of the AWS Auto Scaling API.

func New 

func New(accountID, region string) *AutoScalingService

New returns a new AutoScalingService for the given AWS account ID and region.

func NewWithLocator 

func NewWithLocator(accountID, region string, locator ServiceLocator) *AutoScalingService

NewWithLocator returns a new AutoScalingService with a service locator for cross-service communication.

func (*AutoScalingService) Actions 

func (s *AutoScalingService) Actions() []service.Action

Actions returns the list of Auto Scaling API actions supported by this service.

func (*AutoScalingService) HandleRequest 

func (s *AutoScalingService) HandleRequest(ctx *service.RequestContext) (*service.Response, error)

HandleRequest routes an incoming Auto Scaling request to the appropriate handler. Auto Scaling uses the query protocol (form-encoded, XML responses).

func (*AutoScalingService) HealthCheck 

func (s *AutoScalingService) HealthCheck() error

HealthCheck always returns nil (no external dependencies).

func (*AutoScalingService) Name 

func (s *AutoScalingService) Name() string

Name returns the AWS service name used for routing.

func (*AutoScalingService) SetEventBus 

func (s *AutoScalingService) SetEventBus(bus *eventbus.Bus)

SetEventBus sets the event bus for publishing autoscaling events.

func (*AutoScalingService) SetLocator 

func (s *AutoScalingService) SetLocator(locator ServiceLocator)

SetLocator sets the service locator for cross-service communication (EC2 instance creation).

type LaunchConfiguration 

type LaunchConfiguration struct {
	Name               string
	ARN                string
	ImageID            string
	InstanceType       string
	KeyName            string
	SecurityGroups     []string
	UserData           string
	IAMInstanceProfile string
	CreatedTime        time.Time
}

LaunchConfiguration represents an Auto Scaling launch configuration.

type LifecycleHook 

type LifecycleHook struct {
	LifecycleHookName     string
	AutoScalingGroupName  string
	LifecycleTransition   string // autoscaling:EC2_INSTANCE_LAUNCHING or TERMINATING
	NotificationTargetARN string
	RoleARN               string
	NotificationMetadata  string
	HeartbeatTimeout      int
	DefaultResult         string
}

LifecycleHook represents a lifecycle hook on an ASG.

type ScalingPolicy 

type ScalingPolicy struct {
	Name                 string
	ARN                  string
	AutoScalingGroupName string
	PolicyType           string // SimpleScaling, StepScaling, TargetTrackingScaling
	AdjustmentType       string
	ScalingAdjustment    int
	Cooldown             int
	TargetValue          float64
	MetricName           string
	Enabled              bool
}

ScalingPolicy represents an Auto Scaling scaling policy.

type ScheduledAction 

type ScheduledAction struct {
	ScheduledActionName  string
	ScheduledActionARN   string
	AutoScalingGroupName string
	DesiredCapacity      int
	MinSize              int
	MaxSize              int
	Recurrence           string
	StartTime            string
	EndTime              string
	TimeZone             string
}

ScheduledAction represents a scheduled scaling action.

type ServiceLocator 

type ServiceLocator interface {
	Lookup(name string) (service.Service, error)
}

ServiceLocator provides access to other services for cross-service communication.

type Store 

type Store struct {
	// contains filtered or unexported fields
}

Store manages all Auto Scaling resources.

func NewStore 

func NewStore(accountID, region string) *Store

NewStore returns a new Store for the given account and region.

func (*Store) AttachInstances 

func (s *Store) AttachInstances(asgName string, instanceIDs []string) bool

func (*Store) CreateAutoScalingGroup 

func (s *Store) CreateAutoScalingGroup(name, lcName, vpcZoneID, healthCheckType string, minSize, maxSize, desiredCapacity, cooldown, hcGrace int, azs, tgARNs []string, tags map[string]string) (*AutoScalingGroup, bool)

func (*Store) CreateAutoScalingGroupWithEC2 

func (s *Store) CreateAutoScalingGroupWithEC2(name, lcName, vpcZoneID, healthCheckType string, minSize, maxSize, desiredCapacity, cooldown, hcGrace int, azs, tgARNs []string, tags map[string]string, locator ServiceLocator, bus *eventbus.Bus) (*AutoScalingGroup, bool)

CreateAutoScalingGroupWithEC2 creates an ASG and provisions instances via EC2 locator.

func (*Store) CreateLaunchConfiguration 

func (s *Store) CreateLaunchConfiguration(name, imageID, instanceType, keyName, userData, iamProfile string, securityGroups []string) (*LaunchConfiguration, bool)

func (*Store) CreateOrUpdateTags 

func (s *Store) CreateOrUpdateTags(tags []Tag)

func (*Store) DeleteAutoScalingGroup 

func (s *Store) DeleteAutoScalingGroup(name string) bool

func (*Store) DeleteAutoScalingGroupWithEC2 

func (s *Store) DeleteAutoScalingGroupWithEC2(name string, locator ServiceLocator, bus *eventbus.Bus) bool

DeleteAutoScalingGroupWithEC2 deletes an ASG and terminates its EC2 instances.

func (*Store) DeleteLaunchConfiguration 

func (s *Store) DeleteLaunchConfiguration(name string) bool

func (*Store) DeleteLifecycleHook 

func (s *Store) DeleteLifecycleHook(asgName, hookName string) bool

DeleteLifecycleHook removes a lifecycle hook.

func (*Store) DeleteScalingPolicy 

func (s *Store) DeleteScalingPolicy(asgName, policyName string) bool

func (*Store) DeleteScheduledAction 

func (s *Store) DeleteScheduledAction(asgName, actionName string) bool

DeleteScheduledAction removes a scheduled action.

func (*Store) DeleteTags 

func (s *Store) DeleteTags(tags []Tag)

func (*Store) DescribeLifecycleHooks 

func (s *Store) DescribeLifecycleHooks(asgName string, hookNames []string) []*LifecycleHook

DescribeLifecycleHooks returns lifecycle hooks for an ASG.

func (*Store) DescribeScheduledActions 

func (s *Store) DescribeScheduledActions(asgName string, actionNames []string) []*ScheduledAction

DescribeScheduledActions returns scheduled actions for an ASG.

func (*Store) DetachInstances 

func (s *Store) DetachInstances(asgName string, instanceIDs []string, decrementDesired bool) ([]*AutoScalingInstance, bool)

func (*Store) DisableMetricsCollection 

func (s *Store) DisableMetricsCollection(asgName string) bool

DisableMetricsCollection disables metrics collection for an ASG.

func (*Store) EnableMetricsCollection 

func (s *Store) EnableMetricsCollection(asgName, granularity string) bool

EnableMetricsCollection enables metrics collection for an ASG.

func (*Store) ExecutePolicy 

func (s *Store) ExecutePolicy(asgName, policyName string) bool

ExecutePolicy simulates executing a scaling policy by adjusting desired capacity.

func (*Store) GetAutoScalingGroup 

func (s *Store) GetAutoScalingGroup(name string) (*AutoScalingGroup, bool)

func (*Store) GetLaunchConfiguration 

func (s *Store) GetLaunchConfiguration(name string) (*LaunchConfiguration, bool)

func (*Store) ListAutoScalingGroups 

func (s *Store) ListAutoScalingGroups(names []string) []*AutoScalingGroup

func (*Store) ListAutoScalingInstances 

func (s *Store) ListAutoScalingInstances() []*AutoScalingInstance

func (*Store) ListLaunchConfigurations 

func (s *Store) ListLaunchConfigurations(names []string) []*LaunchConfiguration

func (*Store) ListScalingPolicies 

func (s *Store) ListScalingPolicies(asgName string, policyNames []string) []*ScalingPolicy

func (*Store) ListTags 

func (s *Store) ListTags(asgName string) []Tag

func (*Store) PutLifecycleHook 

func (s *Store) PutLifecycleHook(asgName, hookName, transition, targetARN, roleARN, metadata, defaultResult string, heartbeatTimeout int) (*LifecycleHook, bool)

PutLifecycleHook creates or updates a lifecycle hook.

func (*Store) PutScalingPolicy 

func (s *Store) PutScalingPolicy(asgName, policyName, policyType, adjustmentType string, scalingAdjustment, cooldown int, targetValue float64, metricName string) (*ScalingPolicy, bool)

func (*Store) PutScheduledAction 

func (s *Store) PutScheduledAction(asgName, actionName, recurrence, startTime, endTime, timeZone string, desiredCapacity, minSize, maxSize int) (*ScheduledAction, bool)

PutScheduledAction creates or updates a scheduled action.

func (*Store) SetDesiredCapacity 

func (s *Store) SetDesiredCapacity(name string, capacity int) bool

func (*Store) SetDesiredCapacityWithEC2 

func (s *Store) SetDesiredCapacityWithEC2(name string, capacity int, locator ServiceLocator, bus *eventbus.Bus) bool

SetDesiredCapacityWithEC2 sets desired capacity and reconciles via EC2.

func (*Store) UpdateAutoScalingGroup 

func (s *Store) UpdateAutoScalingGroup(name, lcName, vpcZoneID, healthCheckType string, minSize, maxSize, desiredCapacity, cooldown, hcGrace int) (*AutoScalingGroup, bool)

func (*Store) UpdateAutoScalingGroupWithEC2 

func (s *Store) UpdateAutoScalingGroupWithEC2(name, lcName, vpcZoneID, healthCheckType string, minSize, maxSize, desiredCapacity, cooldown, hcGrace int, locator ServiceLocator, bus *eventbus.Bus) (*AutoScalingGroup, bool)

UpdateAutoScalingGroupWithEC2 updates an ASG and reconciles via EC2 if capacity changed.

type Tag 

type Tag struct {
	Key               string
	Value             string
	ResourceID        string
	ResourceType      string
	PropagateAtLaunch bool
}

Tag represents an Auto Scaling tag.

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