health

package
v0.14.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Apr 24, 2024 License: Apache-2.0 Imports: 10 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	HealthPropertiesPrefix = "management.endpoint.health"
)

Variables

View Source 
var DefaultStaticStatusCodeMapper = StaticStatusCodeMapper{
	StatusUp:           http.StatusOK,
	StatusDown:         http.StatusServiceUnavailable,
	StatusOutOfService: http.StatusServiceUnavailable,
	StatusUnknown:      http.StatusInternalServerError,
}
View Source 
var (
	DefaultStatusOrders = []Status{
		StatusDown, StatusOutOfService, StatusUp, StatusDown,
	}
)
View Source 
var Module = &bootstrap.Module{
	Name:       "actuator-health",
	Precedence: bootstrap.ActuatorPrecedence,
	Options: []fx.Option{
		fx.Provide(
			BindHealthProperties,
			NewSystemHealthRegistrar,
			provideInterfaces,
		),
	},
}

Functions

func Use 

func Use()

Types

type AggregateOption 

type AggregateOption struct {
	StatusOrders []Status
}

type AggregateOptions 

type AggregateOptions func(opt *AggregateOption)

type ComponentsDisclosureControl 

type ComponentsDisclosureControl interface {
	ShouldShowComponents(ctx context.Context) bool
}

type CompositeHealth 

type CompositeHealth struct {
	SimpleHealth
	Components map[string]Health `json:"components,omitempty"`
}

CompositeHealth implement Health

func NewCompositeHealth 

func NewCompositeHealth(status Status, description string, components map[string]Health) *CompositeHealth

type CompositeIndicator 

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

CompositeIndicator implement Indicator and SystemHealthRegistrar

func NewCompositeIndicator 

func NewCompositeIndicator(opts ...IndicatorOptions) *CompositeIndicator

func (*CompositeIndicator) Add 

func (c *CompositeIndicator) Add(contributors ...Indicator)

func (*CompositeIndicator) Health 

func (c *CompositeIndicator) Health(ctx context.Context, options Options) Health

func (*CompositeIndicator) Name 

func (c *CompositeIndicator) Name() string

type DetailedHealth 

type DetailedHealth struct {
	SimpleHealth
	Details map[string]interface{} `json:"details,omitempty"`
}

DetailedHealth implement Health

func NewDetailedHealth 

func NewDetailedHealth(status Status, description string, details map[string]interface{}) *DetailedHealth

type DetailsDisclosureControl 

type DetailsDisclosureControl interface {
	ShouldShowDetails(ctx context.Context) bool
}

type DisclosureControl 

type DisclosureControl interface {
	DetailsDisclosureControl
	ComponentsDisclosureControl
}

type DisclosureControlFunc 

type DisclosureControlFunc func(ctx context.Context) bool

DisclosureControlFunc convert function to DisclosureControl This type can be registered via Registrar.Register

func (DisclosureControlFunc) ShouldShowComponents 

func (fn DisclosureControlFunc) ShouldShowComponents(ctx context.Context) bool

func (DisclosureControlFunc) ShouldShowDetails 

func (fn DisclosureControlFunc) ShouldShowDetails(ctx context.Context) bool

type Health 

type Health interface {
	Status() Status
	Description() string
}

type HealthProperties 

type HealthProperties struct {
	Status StatusProperties `json:"status"`

	// When to show components. If not specified the 'show-details' setting will be used.
	ShowComponents *ShowMode `json:"show-components"`

	// When to show full health details.
	ShowDetails ShowMode `json:"show-details"`

	// Permisions used to determine whether or not a user is authorized to be shown details.
	// When empty, all authenticated users are authorized.
	Permissions utils.CommaSeparatedSlice `json:"permissions"`
}

func BindHealthProperties 

func BindHealthProperties(ctx *bootstrap.ApplicationContext) HealthProperties

BindHealthProperties create and bind SessionProperties, with a optional prefix

func NewHealthProperties 

func NewHealthProperties() *HealthProperties

NewSessionProperties create a SessionProperties with default values

type Indicator 

type Indicator interface {
	Name() string
	Health(context.Context, Options) Health
}

type IndicatorOption 

type IndicatorOption struct {
	Name         string
	Contributors []Indicator
	Aggregator   StatusAggregator
}

type IndicatorOptions 

type IndicatorOptions func(opt *IndicatorOption)

type Options 

type Options struct {
	ShowDetails    bool
	ShowComponents bool
}

type PingIndicator 

type PingIndicator struct {
}

func (PingIndicator) Health 

func (b PingIndicator) Health(ctx context.Context, options Options) Health

func (PingIndicator) Name 

func (b PingIndicator) Name() string

type Registrar 

type Registrar interface {
	// Register configure SystemHealthRegistrar and HealthEndpoint
	// supported input parameters are:
	// 	- Indicator
	// 	- StatusAggregator
	// 	- DetailsDisclosureControl
	// 	- ComponentsDisclosureControl
	//  - DisclosureControl
	Register(items ...interface{}) error

	// MustRegister same as Register, but panic if there is error
	MustRegister(items ...interface{})
}

type ShowMode 

type ShowMode int

ShowMode is options for showing items in responses from the HealthEndpoint web extensions. 

const (
	// ShowModeNever Never show the item in the response.
	ShowModeNever ShowMode = iota
	// ShowModeAuthorized Show the item in the response when accessed by an authorized user.
	ShowModeAuthorized
	// ShowModeAlways Always show the item in the response.
	ShowModeAlways
	// ShowModeCustom Shows the item in response with a customized rule.
	ShowModeCustom
)

func (ShowMode) MarshalText 

func (m ShowMode) MarshalText() ([]byte, error)

MarshalText implements encoding.TextMarshaler

func (ShowMode) String 

func (m ShowMode) String() string

fmt.Stringer

func (*ShowMode) UnmarshalText 

func (m *ShowMode) UnmarshalText(data []byte) error

UnmarshalText implements encoding.TextUnmarshaler

type SimpleHealth 

type SimpleHealth struct {
	Stat Status `json:"status"`
	Desc string `json:"description,omitempty"`
}

SimpleHealth implements Health

func (SimpleHealth) Description 

func (h SimpleHealth) Description() string

func (SimpleHealth) Status 

func (h SimpleHealth) Status() Status

type SimpleStatusAggregator 

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

SimpleStatusAggregator implements StatusAggregator

func NewSimpleStatusAggregator 

func NewSimpleStatusAggregator(opts ...AggregateOptions) *SimpleStatusAggregator

func (SimpleStatusAggregator) Aggregate 

func (a SimpleStatusAggregator) Aggregate(_ context.Context, statuses ...Status) Status

type StaticStatusCodeMapper 

type StaticStatusCodeMapper map[Status]int

func (StaticStatusCodeMapper) StatusCode 

func (m StaticStatusCodeMapper) StatusCode(_ context.Context, status Status) int

type Status 

type Status int
const (
	StatusUnknown Status = iota
	StatusUp
	StatusOutOfService
	StatusDown
)

func (Status) MarshalText 

func (s Status) MarshalText() ([]byte, error)

MarshalText implements encoding.TextMarshaler

func (Status) String 

func (s Status) String() string

fmt.Stringer

func (*Status) UnmarshalText 

func (s *Status) UnmarshalText(data []byte) error

UnmarshalText implements encoding.TextUnmarshaler

type StatusAggregator 

type StatusAggregator interface {
	Aggregate(context.Context, ...Status) Status
}

type StatusCodeMapper 

type StatusCodeMapper interface {
	StatusCode(context.Context, Status) int
}

type StatusOrders 

type StatusOrders []Status

func (*StatusOrders) UnmarshalText 

func (o *StatusOrders) UnmarshalText(data []byte) error

encoding.TextUnmarshaler

type StatusProperties 

type StatusProperties struct {
	// Comma-separated list of health statuses in order of severity.
	Orders StatusOrders `json:"order"`

	// Mapping of health statuses to HTTP status codes. By default, registered health
	// statuses map to sensible defaults (for example, UP maps to 200).
	ScMapping map[Status]int `json:"http-mapping"`
}

type SystemHealthRegistrar 

type SystemHealthRegistrar struct {
	Indicator            *CompositeIndicator
	DetailsDisclosure    DetailsDisclosureControl
	ComponentsDisclosure ComponentsDisclosureControl
}

SystemHealthRegistrar implements Registrar

func NewSystemHealthRegistrar 

func NewSystemHealthRegistrar(di regDI) *SystemHealthRegistrar

func (*SystemHealthRegistrar) MustRegister 

func (i *SystemHealthRegistrar) MustRegister(items ...interface{})

func (*SystemHealthRegistrar) Register 

func (i *SystemHealthRegistrar) Register(items ...interface{}) error

Register configure SystemHealthRegistrar supported input parameters are:

  • Indicator
  • StatusAggregator
  • DetailsDisclosureControl
  • ComponentsDisclosureControl
  • DisclosureControl

Source Files

View all Source files

Directories

Path Synopsis
Package healthep Contains implementation of health endpoint as a separate package to avoid cyclic package dependency.
 Package healthep Contains implementation of health endpoint as a separate package to avoid cyclic package dependency.

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