types

package
v1.28.0-alpha.16 Latest Latest
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Published: Sep 22, 2022 License: MIT Imports: 3 Imported by: 0

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Constants

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const (
	// MetricLabelLoadbalance metric label name loadbalance
	MetricLabelLoadbalance = "loadbalance"
	// MetricLabelBackend metric label name for loadbalance backend
	MetricLabelBackend = "backend"
	// MetricLabelFrontent metric label name for loadbalance frontend
	MetricLabelFrontent = "frontend"
	// MetricLabelServer metric label name for loadbalance server
	MetricLabelServer = "server"
	// MetricLabelServerAddress metric label name for loadbalance server
	MetricLabelServerAddress = "address"
	// MetricLabelServiceName metric label name for service name
	MetricLabelServiceName = "serviceName"
	// MetricLabelNamespace metric label name for bcs namespace
	MetricLabelNamespace = "namespace"

	// EnvBcsLoadbalanceName env BCS_LOADBALANCE_NAME
	EnvBcsLoadbalanceName = "BCS_LOADBALANCE_NAME"
)

Variables

This section is empty.

Functions

This section is empty.

Types

type Backend

type Backend struct {
	Host   string // host name for endpoint
	IP     string // overlap ip info
	Port   int    // listen port
	Weight int    // backend weight
}

Backend hold Backend info for load balance

func (*Backend) String

func (b *Backend) String() string

String 用于打印

type BackendList

type BackendList []Backend

BackendList define Backend list implementing sorter interface

func (BackendList) Len

func (bl BackendList) Len() int

Len is the number of elements in the collection.

func (BackendList) Less

func (bl BackendList) Less(i, j int) bool

Less reports whether the element with index i should sort before the element with index j.

func (BackendList) Swap

func (bl BackendList) Swap(i, j int)

Swap swaps the elements with indexes i and j.

type FourLayerServiceInfo

type FourLayerServiceInfo struct {
	ServiceInfo
	Backends BackendList // tcp Backend
}

FourLayerServiceInfo to hold tcp and udp service info

func NewFourLayerServiceInfo

func NewFourLayerServiceInfo(s ServiceInfo, bl BackendList) FourLayerServiceInfo

NewFourLayerServiceInfo to new a FourLayerServiceInfo

func (*FourLayerServiceInfo) AddBackend

func (tsi *FourLayerServiceInfo) AddBackend(b Backend)

AddBackend add backend to list

func (*FourLayerServiceInfo) SortBackends

func (tsi *FourLayerServiceInfo) SortBackends()

SortBackends sort backend list

type FourLayerServiceInfoList

type FourLayerServiceInfoList []FourLayerServiceInfo

FourLayerServiceInfoList define serviceInfo list implementing sorter interface

func (FourLayerServiceInfoList) Len

func (til FourLayerServiceInfoList) Len() int

Len is the number of elements in the collection.

func (FourLayerServiceInfoList) Less

func (til FourLayerServiceInfoList) Less(i, j int) bool

Less reports whether the element with index i should sort before the element with index j.

func (FourLayerServiceInfoList) Swap

func (til FourLayerServiceInfoList) Swap(i, j int)

Swap swaps the elements with indexes i and j.

type HTTPBackend

type HTTPBackend struct {
	Path         string
	UpstreamName string
	BackendList
}

HTTPBackend hold Backend info for load balance

type HTTPBackendList

type HTTPBackendList []HTTPBackend

HTTPBackendList to ho

func (HTTPBackendList) Len

func (hbl HTTPBackendList) Len() int

Len 用于排序

func (HTTPBackendList) Less

func (hbl HTTPBackendList) Less(i, j int) bool

Less reports whether the element with index i should sort before the element with index j.

func (HTTPBackendList) Swap

func (hbl HTTPBackendList) Swap(i, j int)

Swap swaps the elements with indexes i and j.

type HTTPServiceInfo

type HTTPServiceInfo struct {
	ServiceInfo
	Backends HTTPBackendList
	BCSVHost string // virtual host name, only use for http/hhtps
	ACL      string // ACL match rules, reserved
	// If SessionAffinity is set and without CookieStickySession, requests are routed to
	// a backend based on client ip. If both SessionAffinity and CookieStickSession are
	// set, a SERVERID cookie is inserted by the loadbalancer and used to route subsequent
	// requests. If neither is set, requests are routed based on the algorithm.
	// CookieStickySession use a cookie to enable sticky sessions.
	// The name of the cookie is SERVERID
	// This only can be used in http services
	CookieSession bool
	// Path          string //location nginx to transport specified uri
	SSLFlag bool
}

HTTPServiceInfo http service info

func NewHTTPServiceInfo

func NewHTTPServiceInfo(s ServiceInfo, host string) HTTPServiceInfo

NewHTTPServiceInfo construct http service info

func (*HTTPServiceInfo) AddBackend

func (hsi *HTTPServiceInfo) AddBackend(b HTTPBackend)

AddBackend add backend to list

func (*HTTPServiceInfo) SortBackends

func (hsi *HTTPServiceInfo) SortBackends()

SortBackends sort backend list

type HTTPServiceInfoList

type HTTPServiceInfoList []HTTPServiceInfo

HTTPServiceInfoList to hold http service info list

func (*HTTPServiceInfoList) AddItem

func (hil *HTTPServiceInfoList) AddItem(h HTTPServiceInfo)

AddItem for add HTTPServiceInfoItem to HTTPServiceInfoList

func (HTTPServiceInfoList) Len

func (hil HTTPServiceInfoList) Len() int

Len is the number of elements in the collection.

func (HTTPServiceInfoList) Less

func (hil HTTPServiceInfoList) Less(i, j int) bool

Less reports whether the element with index i should sort before the element with index j.

func (*HTTPServiceInfoList) SortBackends

func (hil *HTTPServiceInfoList) SortBackends()

SortBackends sort https backends by path, no need to sort HTTPBackend.BackendList because sort before assgin

func (HTTPServiceInfoList) Swap

func (hil HTTPServiceInfoList) Swap(i, j int)

Swap swaps the elements with indexes i and j.

type HealthInfo

type HealthInfo struct {
	IsHealth  bool
	HealthMsg string
}

HealthInfo to storage bcs-loadbalance health info

type ServiceInfo

type ServiceInfo struct {
	Name            string // serviceName
	ServicePort     int    // export port
	Balance         string // loadbalance algorithm, default source
	MaxConn         int    // max connection for service
	SessionAffinity bool
}

ServiceInfo hold http/https info

type TemplateData

type TemplateData struct {
	HTTP    HTTPServiceInfoList      // HTTP service info
	HTTPS   HTTPServiceInfoList      // HTTPS service info
	TCP     FourLayerServiceInfoList // TCP service info
	UDP     FourLayerServiceInfoList // UDP service info
	LogFlag bool                     // log flag, true will open log writer
	SSLCert string                   // SSL certificate path, true will listen https
}

TemplateData data holder for haproxy.cfg.template

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