v1alpha3

package
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 Go to latest Published: Mar 25, 2019 License: Apache-2.0 Imports: 5 Imported by: 0

Documentation

Overview

+k8s:deepcopy-gen=package +groupName=networking.istio.io

proto: https://github.com/istio/api/blob/master/networking/v1alpha3/virtual_service.proto

Index

Constants

This section is empty.

Variables

View Source 
var (
	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
	AddToScheme   = SchemeBuilder.AddToScheme
)
View Source 
var SchemeGroupVersion = schema.GroupVersion{Group: istio.GroupName, Version: "v1alpha3"}

SchemeGroupVersion is group version used to register these objects

Functions

func Kind 

func Kind(kind string) schema.GroupKind

Kind takes an unqualified kind and returns back a Group qualified GroupKind

func Resource 

func Resource(resource string) schema.GroupResource

Resource takes an unqualified resource and returns a Group qualified GroupResource

Types

type CorsPolicy 

type CorsPolicy struct {
	// The list of origins that are allowed to perform CORS requests. The
	// content will be serialized into the Access-Control-Allow-Origin
	// header. Wildcard * will allow all origins.
	AllowOrigin []string `json:"allowOrigin,omitempty"`

	// List of HTTP methods allowed to access the resource. The content will
	// be serialized into the Access-Control-Allow-Methods header.
	AllowMethods []string `json:"allowMethods,omitempty"`

	// List of HTTP headers that can be used when requesting the
	// resource. Serialized to Access-Control-Allow-Methods header.
	AllowHeaders []string `json:"allowHeaders,omitempty"`

	// A white list of HTTP headers that the browsers are allowed to
	// access. Serialized into Access-Control-Expose-Headers header.
	ExposeHeaders []string `json:"exposeHeaders,omitempty"`

	// Specifies how long the the results of a preflight request can be
	// cached. Translates to the Access-Control-Max-Age header.
	MaxAge string `json:"maxAge,omitempty"`

	// Indicates whether the caller is allowed to send the actual request
	// (not the preflight) using credentials. Translates to
	// Access-Control-Allow-Credentials header.
	AllowCredentials bool `json:"allowCredentials,omitempty"`
}

Describes the Cross-Origin Resource Sharing (CORS) policy, for a given service. Refer to https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS for further details about cross origin resource sharing. For example, the following rule restricts cross origin requests to those originating from example.com domain using HTTP POST/GET, and sets the Access-Control-Allow-Credentials header to false. In addition, it only exposes X-Foo-bar header and sets an expiry period of 1 day. 

apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: ratings-route
spec:
  hosts:
  - ratings
  http:
  - route:
    - destination:
        host: ratings
        subset: v1
    corsPolicy:
      allowOrigin:
      - example.com
      allowMethods:
      - POST
      - GET
      allowCredentials: false
      allowHeaders:
      - X-Foo-Bar
      maxAge: "1d"

func (*CorsPolicy) DeepCopy 

func (in *CorsPolicy) DeepCopy() *CorsPolicy

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CorsPolicy.

func (*CorsPolicy) DeepCopyInto 

func (in *CorsPolicy) DeepCopyInto(out *CorsPolicy)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type Destination 

type Destination struct {
	// REQUIRED. The name of a service from the service registry. Service
	// names are looked up from the platform's service registry (e.g.,
	// Kubernetes services, Consul services, etc.) and from the hosts
	// declared by [ServiceEntry](#ServiceEntry). Traffic forwarded to
	// destinations that are not found in either of the two, will be dropped.
	//
	// *Note for Kubernetes users*: When short names are used (e.g. "reviews"
	// instead of "reviews.default.svc.cluster.local"), Istio will interpret
	// the short name based on the namespace of the rule, not the service. A
	// rule in the "default" namespace containing a host "reviews will be
	// interpreted as "reviews.default.svc.cluster.local", irrespective of
	// the actual namespace associated with the reviews service. _To avoid
	// potential misconfigurations, it is recommended to always use fully
	// qualified domain names over short names._
	Host string `json:"host"`

	// The name of a subset within the service. Applicable only to services
	// within the mesh. The subset must be defined in a corresponding
	// DestinationRule.
	Subset string `json:"subset,omitempty"`

	// Specifies the port on the host that is being addressed. If a service
	// exposes only a single port it is not required to explicitly select the
	// port.
	Port PortSelector `json:"port,omitempty"`
}

Destination indicates the network addressable service to which the request/connection will be sent after processing a routing rule. The destination.host should unambiguously refer to a service in the service registry. Istio's service registry is composed of all the services found in the platform's service registry (e.g., Kubernetes services, Consul services), as well as services declared through the [ServiceEntry](#ServiceEntry) resource.

*Note for Kubernetes users*: When short names are used (e.g. "reviews" instead of "reviews.default.svc.cluster.local"), Istio will interpret the short name based on the namespace of the rule, not the service. A rule in the "default" namespace containing a host "reviews will be interpreted as "reviews.default.svc.cluster.local", irrespective of the actual namespace associated with the reviews service. _To avoid potential misconfigurations, it is recommended to always use fully qualified domain names over short names._

The following Kubernetes example routes all traffic by default to pods of the reviews service with label "version: v1" (i.e., subset v1), and some to subset v2, in a kubernetes environment.

```yaml apiVersion: networking.istio.io/v1alpha3 kind: VirtualService metadata: 

name: reviews-route
namespace: foo

spec: 

hosts:
- reviews # interpreted as reviews.foo.svc.cluster.local
http:
- match:
  - uri:
      prefix: "/wpcatalog"
  - uri:
      prefix: "/consumercatalog"
  rewrite:
    uri: "/newcatalog"
  route:
  - destination:
      host: reviews # interpreted as reviews.foo.svc.cluster.local
      subset: v2
- route:
  - destination:
      host: reviews # interpreted as reviews.foo.svc.cluster.local
      subset: v1

```

And the associated DestinationRule

```yaml apiVersion: networking.istio.io/v1alpha3 kind: DestinationRule metadata: 

name: reviews-destination
namespace: foo

spec: 

host: reviews # interpreted as reviews.foo.svc.cluster.local
subsets:
- name: v1
  labels:
    version: v1
- name: v2
  labels:
    version: v2

```

The following VirtualService sets a timeout of 5s for all calls to productpage.prod.svc.cluster.local service in Kubernetes. Notice that there are no subsets defined in this rule. Istio will fetch all instances of productpage.prod.svc.cluster.local service from the service registry and populate the sidecar's load balancing pool. Also, notice that this rule is set in the istio-system namespace but uses the fully qualified domain name of the productpage service, productpage.prod.svc.cluster.local. Therefore the rule's namespace does not have an impact in resolving the name of the productpage service.

```yaml apiVersion: networking.istio.io/v1alpha3 kind: VirtualService metadata: 

name: my-productpage-rule
namespace: istio-system

spec: 

hosts:
- productpage.prod.svc.cluster.local # ignores rule namespace
http:
- timeout: 5s
  route:
  - destination:
      host: productpage.prod.svc.cluster.local

```

To control routing for traffic bound to services outside the mesh, external services must first be added to Istio's internal service registry using the ServiceEntry resource. VirtualServices can then be defined to control traffic bound to these external services. For example, the following rules define a Service for wikipedia.org and set a timeout of 5s for http requests.

```yaml apiVersion: networking.istio.io/v1alpha3 kind: ServiceEntry metadata: 

name: external-svc-wikipedia

spec: 

hosts:
- wikipedia.org
location: MESH_EXTERNAL
ports:
- number: 80
  name: example-http
  protocol: HTTP
resolution: DNS

apiVersion: networking.istio.io/v1alpha3 kind: VirtualService metadata: 

name: my-wiki-rule

spec: 

hosts:
- wikipedia.org
http:
- timeout: 5s
  route:
  - destination:
      host: wikipedia.org

```

func (*Destination) DeepCopy 

func (in *Destination) DeepCopy() *Destination

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Destination.

func (*Destination) DeepCopyInto 

func (in *Destination) DeepCopyInto(out *Destination)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type DestinationWeight 

type DestinationWeight struct {
	// REQUIRED. Destination uniquely identifies the instances of a service
	// to which the request/connection should be forwarded to.
	Destination Destination `json:"destination"`

	// REQUIRED. The proportion of traffic to be forwarded to the service
	// version. (0-100). Sum of weights across destinations SHOULD BE == 100.
	// If there is only destination in a rule, the weight value is assumed to
	// be 100.
	Weight int `json:"weight"`
}

func (*DestinationWeight) DeepCopy 

func (in *DestinationWeight) DeepCopy() *DestinationWeight

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DestinationWeight.

func (*DestinationWeight) DeepCopyInto 

func (in *DestinationWeight) DeepCopyInto(out *DestinationWeight)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type HTTPFaultInjection 

type HTTPFaultInjection struct {
	// Delay requests before forwarding, emulating various failures such as
	// network issues, overloaded upstream service, etc.
	Delay *InjectDelay `json:"delay,omitempty"`

	// Abort Http request attempts and return error codes back to downstream
	// service, giving the impression that the upstream service is faulty.
	Abort *InjectAbort `json:"abort,omitempty"`
}

HTTPFaultInjection can be used to specify one or more faults to inject while forwarding http requests to the destination specified in a route. Fault specification is part of a VirtualService rule. Faults include aborting the Http request from downstream service, and/or delaying proxying of requests. A fault rule MUST HAVE delay or abort or both.

*Note:* Delay and abort faults are independent of one another, even if both are specified simultaneously.

func (*HTTPFaultInjection) DeepCopy 

func (in *HTTPFaultInjection) DeepCopy() *HTTPFaultInjection

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HTTPFaultInjection.

func (*HTTPFaultInjection) DeepCopyInto 

func (in *HTTPFaultInjection) DeepCopyInto(out *HTTPFaultInjection)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type HTTPMatchRequest 

type HTTPMatchRequest struct {
	// URI to match
	// values are case-sensitive and formatted as follows:
	//
	// - `exact: "value"` for exact string match
	//
	// - `prefix: "value"` for prefix-based match
	//
	// - `regex: "value"` for ECMAscript style regex-based match
	//
	Uri *v1alpha1.StringMatch `json:"uri,omitempty"`

	// URI Scheme
	// values are case-sensitive and formatted as follows:
	//
	// - `exact: "value"` for exact string match
	//
	// - `prefix: "value"` for prefix-based match
	//
	// - `regex: "value"` for ECMAscript style regex-based match
	//
	Scheme *v1alpha1.StringMatch `json:"scheme,omitempty"`

	// HTTP Method
	// values are case-sensitive and formatted as follows:
	//
	// - `exact: "value"` for exact string match
	//
	// - `prefix: "value"` for prefix-based match
	//
	// - `regex: "value"` for ECMAscript style regex-based match
	//
	Method *v1alpha1.StringMatch `json:"method,omitempty"`

	// HTTP Authority
	// values are case-sensitive and formatted as follows:
	//
	// - `exact: "value"` for exact string match
	//
	// - `prefix: "value"` for prefix-based match
	//
	// - `regex: "value"` for ECMAscript style regex-based match
	//
	Authority *v1alpha1.StringMatch `json:"authority,omitempty"`

	// The header keys must be lowercase and use hyphen as the separator,
	// e.g. _x-request-id_.
	//
	// Header values are case-sensitive and formatted as follows:
	//
	// - `exact: "value"` for exact string match
	//
	// - `prefix: "value"` for prefix-based match
	//
	// - `regex: "value"` for ECMAscript style regex-based match
	//
	// **Note:** The keys `uri`, `scheme`, `method`, and `authority` will be ignored.
	Headers map[string]v1alpha1.StringMatch `json:"headers,omitempty"`

	// Specifies the ports on the host that is being addressed. Many services
	// only expose a single port or label ports with the protocols they support,
	// in these cases it is not required to explicitly select the port.
	Port uint32 `json:"port,omitempty"`

	// One or more labels that constrain the applicability of a rule to
	// workloads with the given labels. If the VirtualService has a list of
	// gateways specified at the top, it should include the reserved gateway
	// `mesh` in order for this field to be applicable.
	SourceLabels map[string]string `json:"sourceLabels,omitempty"`

	// Names of gateways where the rule should be applied to. Gateway names
	// at the top of the VirtualService (if any) are overridden. The gateway match is
	// independent of sourceLabels.
	Gateways []string `json:"gateways,omitempty"`
}

HttpMatchRequest specifies a set of criterion to be met in order for the rule to be applied to the HTTP request. For example, the following restricts the rule to match only requests where the URL path starts with /ratings/v2/ and the request contains a "cookie" with value "user=jason". 

apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: ratings-route
spec:
  hosts:
  - ratings
  http:
  - match:
    - headers:
        cookie:
          regex: "^(.*?;)?(user=jason)(;.*)?"
        uri:
          prefix: "/ratings/v2/"
    route:
    - destination:
        host: ratings

HTTPMatchRequest CANNOT be empty.

func (*HTTPMatchRequest) DeepCopy 

func (in *HTTPMatchRequest) DeepCopy() *HTTPMatchRequest

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HTTPMatchRequest.

func (*HTTPMatchRequest) DeepCopyInto 

func (in *HTTPMatchRequest) DeepCopyInto(out *HTTPMatchRequest)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type HTTPRedirect 

type HTTPRedirect struct {
	// On a redirect, overwrite the Path portion of the URL with this
	// value. Note that the entire path will be replaced, irrespective of the
	// request URI being matched as an exact path or prefix.
	Uri string `json:"uri,omitempty"`

	// On a redirect, overwrite the Authority/Host portion of the URL with
	// this value.
	Authority string `json:"authority,omitempty"`
}

HTTPRedirect can be used to send a 302 redirect response to the caller, where the Authority/Host and the URI in the response can be swapped with the specified values. For example, the following rule redirects requests for /v1/getProductRatings API on the ratings service to /v1/bookRatings provided by the bookratings service. 

apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: ratings-route
spec:
  hosts:
  - ratings
  http:
  - match:
    - uri:
        exact: /v1/getProductRatings
  redirect:
    uri: /v1/bookRatings
    authority: bookratings.default.svc.cluster.local
  ...

func (*HTTPRedirect) DeepCopy 

func (in *HTTPRedirect) DeepCopy() *HTTPRedirect

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HTTPRedirect.

func (*HTTPRedirect) DeepCopyInto 

func (in *HTTPRedirect) DeepCopyInto(out *HTTPRedirect)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type HTTPRetry 

type HTTPRetry struct {
	// REQUIRED. Number of retries for a given request. The interval
	// between retries will be determined automatically (25ms+). Actual
	// number of retries attempted depends on the httpReqTimeout.
	Attempts int `json:"attempts"`

	// Timeout per retry attempt for a given request. format: 1h/1m/1s/1ms. MUST BE >=1ms.
	PerTryTimeout string `json:"perTryTimeout"`

	// Specifies the conditions under which retry takes place.
	// One or more policies can be specified using a ‘,’ delimited list.
	// The supported policies can be found in
	// <https://www.envoyproxy.io/docs/envoy/latest/configuration/http_filters/router_filter#x-envoy-retry-on>
	// and <https://www.envoyproxy.io/docs/envoy/latest/configuration/http_filters/router_filter#x-envoy-retry-grpc-on>
	RetryOn string `json:"retryOn"`
}

Describes the retry policy to use when a HTTP request fails. For example, the following rule sets the maximum number of retries to 3 when calling ratings:v1 service, with a 2s timeout per retry attempt.

```yaml apiVersion: networking.istio.io/v1alpha3 kind: VirtualService metadata: 

name: ratings-route

spec: 

hosts:
- ratings.prod.svc.cluster.local
http:
- route:
  - destination:
      host: ratings.prod.svc.cluster.local
      subset: v1
  retries:
    attempts: 3
    perTryTimeout: 2s
    retryOn: gateway-error,connect-failure,refused-stream

```

func (*HTTPRetry) DeepCopy 

func (in *HTTPRetry) DeepCopy() *HTTPRetry

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HTTPRetry.

func (*HTTPRetry) DeepCopyInto 

func (in *HTTPRetry) DeepCopyInto(out *HTTPRetry)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type HTTPRewrite 

type HTTPRewrite struct {
	// rewrite the path (or the prefix) portion of the URI with this
	// value. If the original URI was matched based on prefix, the value
	// provided in this field will replace the corresponding matched prefix.
	Uri string `json:"uri,omitempty"`

	// rewrite the Authority/Host header with this value.
	Authority string `json:"authority,omitempty"`
}

HTTPRewrite can be used to rewrite specific parts of a HTTP request before forwarding the request to the destination. Rewrite primitive can be used only with the DestinationWeights. The following example demonstrates how to rewrite the URL prefix for api call (/ratings) to ratings service before making the actual API call. 

apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: ratings-route
spec:
  hosts:
  - ratings
  http:
  - match:
    - uri:
        prefix: /ratings
    rewrite:
      uri: /v1/bookRatings
    route:
    - destination:
        host: ratings
        subset: v1

func (*HTTPRewrite) DeepCopy 

func (in *HTTPRewrite) DeepCopy() *HTTPRewrite

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HTTPRewrite.

func (*HTTPRewrite) DeepCopyInto 

func (in *HTTPRewrite) DeepCopyInto(out *HTTPRewrite)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type HTTPRoute 

type HTTPRoute struct {
	// Match conditions to be satisfied for the rule to be
	// activated. All conditions inside a single match block have AND
	// semantics, while the list of match blocks have OR semantics. The rule
	// is matched if any one of the match blocks succeed.
	Match []HTTPMatchRequest `json:"match,omitempty"`

	// A http rule can either redirect or forward (default) traffic. The
	// forwarding target can be one of several versions of a service (see
	// glossary in beginning of document). Weights associated with the
	// service version determine the proportion of traffic it receives.
	Route []DestinationWeight `json:"route,omitempty"`

	// A http rule can either redirect or forward (default) traffic. If
	// traffic passthrough option is specified in the rule,
	// route/redirect will be ignored. The redirect primitive can be used to
	// send a HTTP 302 redirect to a different URI or Authority.
	Redirect *HTTPRedirect `json:"redirect,omitempty"`

	// Rewrite HTTP URIs and Authority headers. Rewrite cannot be used with
	// Redirect primitive. Rewrite will be performed before forwarding.
	Rewrite *HTTPRewrite `json:"rewrite,omitempty"`

	// Timeout for HTTP requests.
	Timeout string `json:"timeout,omitempty"`

	// Retry policy for HTTP requests.
	Retries *HTTPRetry `json:"retries,omitempty"`

	// Fault injection policy to apply on HTTP traffic.
	Fault *HTTPFaultInjection `json:"fault,omitempty"`

	// Mirror HTTP traffic to a another destination in addition to forwarding
	// the requests to the intended destination. Mirrored traffic is on a
	// best effort basis where the sidecar/gateway will not wait for the
	// mirrored cluster to respond before returning the response from the
	// original destination.  Statistics will be generated for the mirrored
	// destination.
	Mirror *Destination `json:"mirror,omitempty"`

	// Cross-Origin Resource Sharing policy (CORS). Refer to
	// https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS
	// for further details about cross origin resource sharing.
	CorsPolicy *CorsPolicy `json:"corsPolicy,omitempty"`

	// Additional HTTP headers to add before forwarding a request to the
	// destination service.
	AppendHeaders map[string]string `json:"appendHeaders,omitempty"`

	// Http headers to remove before returning the response to the caller
	RemoveResponseHeaders map[string]string `json:"removeResponseHeaders,omitempty"`

	// Header manipulation rules
	Headers *Headers `json:"headers,omitempty"`
}

Describes match conditions and actions for routing HTTP/1.1, HTTP2, and gRPC traffic. See VirtualService for usage examples.

func (*HTTPRoute) DeepCopy 

func (in *HTTPRoute) DeepCopy() *HTTPRoute

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HTTPRoute.

func (*HTTPRoute) DeepCopyInto 

func (in *HTTPRoute) DeepCopyInto(out *HTTPRoute)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type HeaderOperations 

type HeaderOperations struct {
	// Overwrite the headers specified by key with the given values
	Set map[string]string `json:"set"`

	// Append the given values to the headers specified by keys
	// (will create a comma-separated list of values)
	Add map[string]string `json:"add"`

	// Remove the specified headers
	Remove []string `json:"remove"`
}

HeaderOperations Describes the header manipulations to apply

func (*HeaderOperations) DeepCopy 

func (in *HeaderOperations) DeepCopy() *HeaderOperations

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HeaderOperations.

func (*HeaderOperations) DeepCopyInto 

func (in *HeaderOperations) DeepCopyInto(out *HeaderOperations)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type Headers 

type Headers struct {
	// Header manipulation rules to apply before forwarding a request
	// to the destination service
	Request *HeaderOperations `json:"request,omitempty"`

	// Header manipulation rules to apply before returning a response
	// to the caller
	Response *HeaderOperations `json:"response,omitempty"`
}

Header manipulation rules

func (*Headers) DeepCopy 

func (in *Headers) DeepCopy() *Headers

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Headers.

func (*Headers) DeepCopyInto 

func (in *Headers) DeepCopyInto(out *Headers)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type InjectAbort 

type InjectAbort struct {
	// Percentage of requests to be aborted with the error code provided (0-100).
	Perecent int `json:"percent,omitempty"`

	// REQUIRED. HTTP status code to use to abort the Http request.
	HttpStatus int `json:"httpStatus"`
}

Abort specification is used to prematurely abort a request with a pre-specified error code. The following example will return an HTTP 400 error code for 10% of the requests to the "ratings" service "v1". 

apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: ratings-route
spec:
  hosts:
  - ratings
  http:
  - route:
    - destination:
        host: ratings
        subset: v1
    fault:
      abort:
        percent: 10
        httpStatus: 400

The _httpStatus_ field is used to indicate the HTTP status code to return to the caller. The optional _percent_ field, a value between 0 and 100, is used to only abort a certain percentage of requests. If not specified, all requests are aborted.

func (*InjectAbort) DeepCopy 

func (in *InjectAbort) DeepCopy() *InjectAbort

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new InjectAbort.

func (*InjectAbort) DeepCopyInto 

func (in *InjectAbort) DeepCopyInto(out *InjectAbort)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type InjectDelay 

type InjectDelay struct {
	// Percentage of requests on which the delay will be injected (0-100).
	Percent int `json:"percent,omitempty"`

	// REQUIRED. Add a fixed delay before forwarding the request. Format:
	// 1h/1m/1s/1ms. MUST be >=1ms.
	FixedDelay string `json:"fixedDelay"`

	// (-- Add a delay (based on an exponential function) before forwarding
	// the request. mean delay needed to derive the exponential delay
	// values --)
	ExponentialDelay string `json:"exponentialDelay,omitempty"`
}

Delay specification is used to inject latency into the request forwarding path. The following example will introduce a 5 second delay in 10% of the requests to the "v1" version of the "reviews" service from all pods with label env: prod 

apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: reviews-route
spec:
  hosts:
  - reviews
  http:
  - match:
    - sourceLabels:
        env: prod
    route:
    - destination:
        host: reviews
        subset: v1
    fault:
      delay:
        percent: 10
        fixedDelay: 5s

The _fixedDelay_ field is used to indicate the amount of delay in seconds. An optional _percent_ field, a value between 0 and 100, can be used to only delay a certain percentage of requests. If left unspecified, all request will be delayed.

func (*InjectDelay) DeepCopy 

func (in *InjectDelay) DeepCopy() *InjectDelay

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new InjectDelay.

func (*InjectDelay) DeepCopyInto 

func (in *InjectDelay) DeepCopyInto(out *InjectDelay)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type L4MatchAttributes 

type L4MatchAttributes struct {
	// IPv4 or IPv6 ip address of destination with optional subnet.  E.g.,
	// a.b.c.d/xx form or just a.b.c.d. This is only valid when the
	// destination service has several IPs and the application explicitly
	// specifies a particular IP.
	DestinationSubnet string `json:"destinationSubnet,omitempty"`

	// Specifies the port on the host that is being addressed. Many services
	// only expose a single port or label ports with the protocols they support,
	// in these cases it is not required to explicitly select the port.
	Port int `json:"port,omitempty"`

	// IPv4 or IPv6 ip address of source with optional subnet. E.g., a.b.c.d/xx
	// form or just a.b.c.d
	SourceSubnet string `json:"sourceSubnet,omitempty"`

	// One or more labels that constrain the applicability of a rule to
	// workloads with the given labels. If the VirtualService has a list of
	// gateways specified at the top, it should include the reserved gateway
	// `mesh` in order for this field to be applicable.
	SourceLabel map[string]string `json:"sourceLabel,omitempty"`

	// Names of gateways where the rule should be applied to. Gateway names
	// at the top of the VirtualService (if any) are overridden. The gateway match is
	// independent of sourceLabels.
	Gateways []string `json:"gateways,omitempty"`
}

L4 connection match attributes. Note that L4 connection matching support is incomplete.

func (*L4MatchAttributes) DeepCopy 

func (in *L4MatchAttributes) DeepCopy() *L4MatchAttributes

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new L4MatchAttributes.

func (*L4MatchAttributes) DeepCopyInto 

func (in *L4MatchAttributes) DeepCopyInto(out *L4MatchAttributes)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type PortSelector 

type PortSelector struct {

	// Valid port number
	Number uint32 `json:"number,omitempty"`

	// Valid port name
	Name string `json:"name,omitempty"`
}

PortSelector specifies the number of a port to be used for matching or selection for final routing.

func (*PortSelector) DeepCopy 

func (in *PortSelector) DeepCopy() *PortSelector

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PortSelector.

func (*PortSelector) DeepCopyInto 

func (in *PortSelector) DeepCopyInto(out *PortSelector)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type TCPRoute 

type TCPRoute struct {
	// Match conditions to be satisfied for the rule to be
	// activated. All conditions inside a single match block have AND
	// semantics, while the list of match blocks have OR semantics. The rule
	// is matched if any one of the match blocks succeed.
	Match []L4MatchAttributes `json:"match"`

	// The destination to which the connection should be forwarded to.
	// Currently, only one destination is allowed for TCP services. When TCP
	// weighted routing support is introduced in Envoy, multiple destinations
	// with weights can be specified.
	Route DestinationWeight `json:"route"`
}

Describes match conditions and actions for routing TCP traffic. The following routing rule forwards traffic arriving at port 27017 for mongo.prod.svc.cluster.local from 172.17.16.* subnet to another Mongo server on port 5555.

```yaml apiVersion: networking.istio.io/v1alpha3 kind: VirtualService metadata: 

name: bookinfo-Mongo

spec: 

hosts:
- mongo.prod.svc.cluster.local
tcp:
- match:
  - port: 27017
    sourceSubnet: "172.17.16.0/24"
  route:
  - destination:
      host: mongo.backup.svc.cluster.local
      port:
        number: 5555

```

func (*TCPRoute) DeepCopy 

func (in *TCPRoute) DeepCopy() *TCPRoute

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new TCPRoute.

func (*TCPRoute) DeepCopyInto 

func (in *TCPRoute) DeepCopyInto(out *TCPRoute)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

type VirtualService 

type VirtualService struct {
	metav1.TypeMeta   `json:",inline"`
	metav1.ObjectMeta `json:"metadata,omitempty"`

	Spec VirtualServiceSpec `json:"spec"`
}

VirtualService

func (*VirtualService) DeepCopy 

func (in *VirtualService) DeepCopy() *VirtualService

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new VirtualService.

func (*VirtualService) DeepCopyInto 

func (in *VirtualService) DeepCopyInto(out *VirtualService)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

func (*VirtualService) DeepCopyObject 

func (in *VirtualService) DeepCopyObject() runtime.Object

DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.

type VirtualServiceList 

type VirtualServiceList struct {
	metav1.TypeMeta `json:",inline"`
	metav1.ListMeta `json:"metadata"`

	Items []VirtualService `json:"items"`
}

VirtualServiceList is a list of VirtualService resources

func (*VirtualServiceList) DeepCopy 

func (in *VirtualServiceList) DeepCopy() *VirtualServiceList

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new VirtualServiceList.

func (*VirtualServiceList) DeepCopyInto 

func (in *VirtualServiceList) DeepCopyInto(out *VirtualServiceList)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

func (*VirtualServiceList) DeepCopyObject 

func (in *VirtualServiceList) DeepCopyObject() runtime.Object

DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.

type VirtualServiceSpec 

type VirtualServiceSpec struct {
	// REQUIRED. The destination hosts to which traffic is being sent. Could
	// be a DNS name with wildcard prefix or an IP address.  Depending on the
	// platform, short-names can also be used instead of a FQDN (i.e. has no
	// dots in the name). In such a scenario, the FQDN of the host would be
	// derived based on the underlying platform.
	//
	// **A host name can be defined by only one VirtualService**. A single
	// VirtualService can be used to describe traffic properties for multiple
	// HTTP and TCP ports.
	//
	// *Note for Kubernetes users*: When short names are used (e.g. "reviews"
	// instead of "reviews.default.svc.cluster.local"), Istio will interpret
	// the short name based on the namespace of the rule, not the service. A
	// rule in the "default" namespace containing a host "reviews will be
	// interpreted as "reviews.default.svc.cluster.local", irrespective of
	// the actual namespace associated with the reviews service. _To avoid
	// potential misconfigurations, it is recommended to always use fully
	// qualified domain names over short names._
	//
	// The hosts field applies to both HTTP and TCP services. Service inside
	// the mesh, i.e., those found in the service registry, must always be
	// referred to using their alphanumeric names. IP addresses are allowed
	// only for services defined via the Gateway.
	Hosts []string `json:"hosts"`

	// The names of gateways and sidecars that should apply these routes. A
	// single VirtualService is used for sidecars inside the mesh as well as
	// for one or more gateways. The selection condition imposed by this
	// field can be overridden using the source field in the match conditions
	// of protocol-specific routes. The reserved word `mesh` is used to imply
	// all the sidecars in the mesh. When this field is omitted, the default
	// gateway (`mesh`) will be used, which would apply the rule to all
	// sidecars in the mesh. If a list of gateway names is provided, the
	// rules will apply only to the gateways. To apply the rules to both
	// gateways and sidecars, specify `mesh` as one of the gateway names.
	Gateways []string `json:"gateways,omitempty"`

	// An ordered list of route rules for HTTP traffic. HTTP routes will be
	// applied to platform service ports named 'http-*'/'http2-*'/'grpc-*', gateway
	// ports with protocol HTTP/HTTP2/GRPC/ TLS-terminated-HTTPS and service
	// entry ports using HTTP/HTTP2/GRPC protocols.  The first rule matching
	// an incoming request is used.
	Http []HTTPRoute `json:"http,omitempty"`

	// An ordered list of route rules for opaque TCP traffic. TCP routes will
	// be applied to any port that is not a HTTP or TLS port. The first rule
	// matching an incoming request is used.
	Tcp []TCPRoute `json:"tcp,omitempty"`
}

VirtualServiceSpec defines a set of traffic routing rules to apply when a host is addressed. Each routing rule defines matching criteria for traffic of a specific protocol. If the traffic is matched, then it is sent to a named destination service (or subset/version of it) defined in the registry.

The source of traffic can also be matched in a routing rule. This allows routing to be customized for specific client contexts.

The following example on Kubernetes, routes all HTTP traffic by default to pods of the reviews service with label "version: v1". In addition, HTTP requests with path starting with /wpcatalog/ or /consumercatalog/ will be rewritten to /newcatalog and sent to pods with label "version: v2".

```yaml apiVersion: networking.istio.io/v1alpha3 kind: VirtualService metadata: 

name: reviews-route

spec: 

hosts:
- reviews.prod.svc.cluster.local
http:
- match:
  - uri:
      prefix: "/wpcatalog"
  - uri:
      prefix: "/consumercatalog"
  rewrite:
    uri: "/newcatalog"
  route:
  - destination:
      host: reviews.prod.svc.cluster.local
      subset: v2
- route:
  - destination:
      host: reviews.prod.svc.cluster.local
      subset: v1

```

A subset/version of a route destination is identified with a reference to a named service subset which must be declared in a corresponding `DestinationRule`.

```yaml apiVersion: networking.istio.io/v1alpha3 kind: DestinationRule metadata: 

name: reviews-destination

spec: 

host: reviews.prod.svc.cluster.local
subsets:
- name: v1
  labels:
    version: v1
- name: v2
  labels:
    version: v2

```

func (*VirtualServiceSpec) DeepCopy 

func (in *VirtualServiceSpec) DeepCopy() *VirtualServiceSpec

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new VirtualServiceSpec.

func (*VirtualServiceSpec) DeepCopyInto 

func (in *VirtualServiceSpec) DeepCopyInto(out *VirtualServiceSpec)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

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