v1alpha3

package
v0.0.0-...-dcdb1c8 Latest Latest
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Published: Mar 6, 2019 License: Apache-2.0 Imports: 39 Imported by: 0

Documentation

Index

Constants

View Source
const (
	// DefaultLbType set to round robin
	DefaultLbType = networking.LoadBalancerSettings_ROUND_ROBIN

	// ManagementClusterHostname indicates the hostname used for building inbound clusters for management ports
	ManagementClusterHostname = "mgmtCluster"
)
View Source
const (

	// RDSHttpProxy is the special name for HTTP PROXY route
	RDSHttpProxy = "http_proxy"

	// VirtualListenerName is the name for traffic capture listener
	VirtualListenerName = "virtual"

	// WildcardAddress binds to all IP addresses
	WildcardAddress = "0.0.0.0"

	// LocalhostAddress for local binding
	LocalhostAddress = "127.0.0.1"

	// EnvoyTextLogFormat format for envoy text based access logs
	EnvoyTextLogFormat = "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% " +
		"%PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% \"%DYNAMIC_METADATA(istio.mixer:status)%\" %BYTES_RECEIVED% %BYTES_SENT% " +
		"%DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" " +
		"\"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\" " +
		"%UPSTREAM_CLUSTER% %UPSTREAM_LOCAL_ADDRESS% %DOWNSTREAM_LOCAL_ADDRESS% " +
		"%DOWNSTREAM_REMOTE_ADDRESS% %REQUESTED_SERVER_NAME%\n"

	// EnvoyServerName for istio's envoy
	EnvoyServerName = "istio-envoy"
)

Variables

View Source
var (
	// EnvoyJSONLogFormat map of values for envoy json based access logs
	EnvoyJSONLogFormat = &google_protobuf.Struct{
		Fields: map[string]*google_protobuf.Value{
			"start_time":                &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%START_TIME%"}},
			"method":                    &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%START_TIME%"}},
			"path":                      &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%"}},
			"protocol":                  &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%PROTOCOL%"}},
			"response_code":             &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%RESPONSE_CODE%"}},
			"response_flags":            &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%RESPONSE_FLAGS%"}},
			"bytes_received":            &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%BYTES_RECEIVED%"}},
			"bytes_sent":                &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%BYTES_SENT%"}},
			"duration":                  &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%DURATION%"}},
			"upstream_service_time":     &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%"}},
			"x_forwarded_for":           &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%REQ(X-FORWARDED-FOR)%"}},
			"user_agent":                &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%REQ(USER-AGENT)%"}},
			"request_id":                &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%REQ(X-REQUEST-ID)%"}},
			"authority":                 &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%REQ(:AUTHORITY)%"}},
			"upstream_host":             &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%UPSTREAM_HOST%"}},
			"upstream_cluster":          &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%UPSTREAM_CLUSTER%"}},
			"upstream_local_address":    &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%UPSTREAM_LOCAL_ADDRESS%"}},
			"downstream_local_address":  &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%DOWNSTREAM_LOCAL_ADDRESS%"}},
			"downstream_remote_address": &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%DOWNSTREAM_REMOTE_ADDRESS%"}},
			"requested_server_name":     &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%REQUESTED_SERVER_NAME%"}},
			"istio_policy_status":       &google_protobuf.Value{Kind: &google_protobuf.Value_StringValue{StringValue: "%DYNAMIC_METADATA(istio.mixer:status)%"}},
		},
	}
)
View Source
var ListenersALPNProtocols = []string{"h2", "http/1.1"}

ListenersALPNProtocols denotes the the list of ALPN protocols that the listener should expose

Functions

func GetDefaultCircuitBreakerThresholds

func GetDefaultCircuitBreakerThresholds(direction model.TrafficDirection) *v2Cluster.CircuitBreakers_Thresholds

GetDefaultCircuitBreakerThresholds returns a copy of the default circuit breaker thresholds for the given traffic direction.

func SelectTrafficPolicyComponents

SelectTrafficPolicyComponents returns the components of TrafficPolicy that should be used for given port.

Types

type ClusterMode

type ClusterMode string

ClusterMode defines whether the cluster is being built for SNI-DNATing (sni passthrough) or not

const (
	// SniDnatClusterMode indicates cluster is being built for SNI dnat mode
	SniDnatClusterMode ClusterMode = "sni-dnat"
	// DefaultClusterMode indicates usual cluster with mTLS et al
	DefaultClusterMode ClusterMode = "outbound"
)

type ConfigGeneratorImpl

type ConfigGeneratorImpl struct {
	// List of plugins that modify code generated by this config generator
	Plugins []plugin.Plugin

	// List of outbound clusters keyed by configNamespace & locality. For use by gateways only.
	// Must be rebuilt for each push epoch
	PrecomputedOutboundClustersForGateways map[string]map[string][]*xdsapi.Cluster
	// contains filtered or unexported fields
}

func NewConfigGenerator

func NewConfigGenerator(plugins []plugin.Plugin) *ConfigGeneratorImpl

func (*ConfigGeneratorImpl) BuildClusters

func (configgen *ConfigGeneratorImpl) BuildClusters(env *model.Environment, proxy *model.Proxy, push *model.PushContext) ([]*apiv2.Cluster, error)

BuildClusters returns the list of clusters for the given proxy. This is the CDS output For outbound: Cluster for each service/subset hostname or cidr with SNI set to service hostname Cluster type based on resolution For inbound (sidecar only): Cluster for each inbound endpoint port and for each service port

func (*ConfigGeneratorImpl) BuildHTTPRoutes

func (configgen *ConfigGeneratorImpl) BuildHTTPRoutes(env *model.Environment, node *model.Proxy, push *model.PushContext,
	routeName string) (*xdsapi.RouteConfiguration, error)

BuildHTTPRoutes produces a list of routes for the proxy

func (*ConfigGeneratorImpl) BuildListeners

func (configgen *ConfigGeneratorImpl) BuildListeners(env *model.Environment, node *model.Proxy, push *model.PushContext) ([]*xdsapi.Listener, error)

BuildListeners produces a list of listeners and referenced clusters for all proxies

func (*ConfigGeneratorImpl) BuildSharedPushState

func (configgen *ConfigGeneratorImpl) BuildSharedPushState(env *model.Environment, push *model.PushContext) error

func (*ConfigGeneratorImpl) CanUsePrecomputedCDS

func (configgen *ConfigGeneratorImpl) CanUsePrecomputedCDS(proxy *model.Proxy) bool

Directories

Path Synopsis
Code generated by counterfeiter.
Code generated by counterfeiter.
packages used for load balancer setting
packages used for load balancer setting

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