347 lines
13 KiB
Go
347 lines
13 KiB
Go
package api
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import (
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"encoding/json"
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"time"
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)
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type ServiceRouterConfigEntry struct {
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Kind string
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Name string
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Partition string `json:",omitempty"`
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Namespace string `json:",omitempty"`
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Routes []ServiceRoute `json:",omitempty"`
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Meta map[string]string `json:",omitempty"`
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CreateIndex uint64
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ModifyIndex uint64
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}
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func (e *ServiceRouterConfigEntry) GetKind() string { return e.Kind }
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func (e *ServiceRouterConfigEntry) GetName() string { return e.Name }
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func (e *ServiceRouterConfigEntry) GetPartition() string { return e.Partition }
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func (e *ServiceRouterConfigEntry) GetNamespace() string { return e.Namespace }
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func (e *ServiceRouterConfigEntry) GetMeta() map[string]string { return e.Meta }
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func (e *ServiceRouterConfigEntry) GetCreateIndex() uint64 { return e.CreateIndex }
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func (e *ServiceRouterConfigEntry) GetModifyIndex() uint64 { return e.ModifyIndex }
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type ServiceRoute struct {
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Match *ServiceRouteMatch `json:",omitempty"`
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Destination *ServiceRouteDestination `json:",omitempty"`
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}
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type ServiceRouteMatch struct {
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HTTP *ServiceRouteHTTPMatch `json:",omitempty"`
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}
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type ServiceRouteHTTPMatch struct {
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PathExact string `json:",omitempty" alias:"path_exact"`
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PathPrefix string `json:",omitempty" alias:"path_prefix"`
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PathRegex string `json:",omitempty" alias:"path_regex"`
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Header []ServiceRouteHTTPMatchHeader `json:",omitempty"`
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QueryParam []ServiceRouteHTTPMatchQueryParam `json:",omitempty" alias:"query_param"`
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Methods []string `json:",omitempty"`
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}
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type ServiceRouteHTTPMatchHeader struct {
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Name string
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Present bool `json:",omitempty"`
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Exact string `json:",omitempty"`
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Prefix string `json:",omitempty"`
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Suffix string `json:",omitempty"`
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Regex string `json:",omitempty"`
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Invert bool `json:",omitempty"`
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}
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type ServiceRouteHTTPMatchQueryParam struct {
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Name string
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Present bool `json:",omitempty"`
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Exact string `json:",omitempty"`
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Regex string `json:",omitempty"`
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}
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type ServiceRouteDestination struct {
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Service string `json:",omitempty"`
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ServiceSubset string `json:",omitempty" alias:"service_subset"`
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Namespace string `json:",omitempty"`
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Partition string `json:",omitempty"`
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PrefixRewrite string `json:",omitempty" alias:"prefix_rewrite"`
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RequestTimeout time.Duration `json:",omitempty" alias:"request_timeout"`
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IdleTimeout time.Duration `json:",omitempty" alias:"idle_timeout"`
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NumRetries uint32 `json:",omitempty" alias:"num_retries"`
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RetryOnConnectFailure bool `json:",omitempty" alias:"retry_on_connect_failure"`
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RetryOnStatusCodes []uint32 `json:",omitempty" alias:"retry_on_status_codes"`
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RetryOn []string `json:",omitempty" alias:"retry_on"`
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RequestHeaders *HTTPHeaderModifiers `json:",omitempty" alias:"request_headers"`
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ResponseHeaders *HTTPHeaderModifiers `json:",omitempty" alias:"response_headers"`
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}
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func (e *ServiceRouteDestination) MarshalJSON() ([]byte, error) {
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type Alias ServiceRouteDestination
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exported := &struct {
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RequestTimeout string `json:",omitempty"`
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IdleTimeout string `json:",omitempty"`
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*Alias
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}{
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RequestTimeout: e.RequestTimeout.String(),
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IdleTimeout: e.IdleTimeout.String(),
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Alias: (*Alias)(e),
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}
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if e.RequestTimeout == 0 {
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exported.RequestTimeout = ""
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}
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if e.IdleTimeout == 0 {
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exported.IdleTimeout = ""
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}
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return json.Marshal(exported)
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}
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func (e *ServiceRouteDestination) UnmarshalJSON(data []byte) error {
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type Alias ServiceRouteDestination
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aux := &struct {
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RequestTimeout string
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IdleTimeout string
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*Alias
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}{
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Alias: (*Alias)(e),
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}
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if err := json.Unmarshal(data, &aux); err != nil {
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return err
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}
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var err error
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if aux.RequestTimeout != "" {
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if e.RequestTimeout, err = time.ParseDuration(aux.RequestTimeout); err != nil {
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return err
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}
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}
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if aux.IdleTimeout != "" {
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if e.IdleTimeout, err = time.ParseDuration(aux.IdleTimeout); err != nil {
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return err
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}
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}
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return nil
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}
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type ServiceSplitterConfigEntry struct {
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Kind string
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Name string
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Partition string `json:",omitempty"`
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Namespace string `json:",omitempty"`
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Splits []ServiceSplit `json:",omitempty"`
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Meta map[string]string `json:",omitempty"`
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CreateIndex uint64
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ModifyIndex uint64
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}
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func (e *ServiceSplitterConfigEntry) GetKind() string { return e.Kind }
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func (e *ServiceSplitterConfigEntry) GetName() string { return e.Name }
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func (e *ServiceSplitterConfigEntry) GetPartition() string { return e.Partition }
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func (e *ServiceSplitterConfigEntry) GetNamespace() string { return e.Namespace }
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func (e *ServiceSplitterConfigEntry) GetMeta() map[string]string { return e.Meta }
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func (e *ServiceSplitterConfigEntry) GetCreateIndex() uint64 { return e.CreateIndex }
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func (e *ServiceSplitterConfigEntry) GetModifyIndex() uint64 { return e.ModifyIndex }
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type ServiceSplit struct {
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Weight float32
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Service string `json:",omitempty"`
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ServiceSubset string `json:",omitempty" alias:"service_subset"`
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Namespace string `json:",omitempty"`
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Partition string `json:",omitempty"`
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RequestHeaders *HTTPHeaderModifiers `json:",omitempty" alias:"request_headers"`
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ResponseHeaders *HTTPHeaderModifiers `json:",omitempty" alias:"response_headers"`
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}
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type ServiceResolverConfigEntry struct {
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Kind string
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Name string
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Partition string `json:",omitempty"`
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Namespace string `json:",omitempty"`
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DefaultSubset string `json:",omitempty" alias:"default_subset"`
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Subsets map[string]ServiceResolverSubset `json:",omitempty"`
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Redirect *ServiceResolverRedirect `json:",omitempty"`
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Failover map[string]ServiceResolverFailover `json:",omitempty"`
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ConnectTimeout time.Duration `json:",omitempty" alias:"connect_timeout"`
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RequestTimeout time.Duration `json:",omitempty" alias:"request_timeout"`
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// LoadBalancer determines the load balancing policy and configuration for services
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// issuing requests to this upstream service.
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LoadBalancer *LoadBalancer `json:",omitempty" alias:"load_balancer"`
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Meta map[string]string `json:",omitempty"`
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CreateIndex uint64
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ModifyIndex uint64
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}
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func (e *ServiceResolverConfigEntry) MarshalJSON() ([]byte, error) {
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type Alias ServiceResolverConfigEntry
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exported := &struct {
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ConnectTimeout string `json:",omitempty"`
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*Alias
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}{
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ConnectTimeout: e.ConnectTimeout.String(),
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Alias: (*Alias)(e),
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}
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if e.ConnectTimeout == 0 {
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exported.ConnectTimeout = ""
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}
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return json.Marshal(exported)
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}
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func (e *ServiceResolverConfigEntry) UnmarshalJSON(data []byte) error {
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type Alias ServiceResolverConfigEntry
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aux := &struct {
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ConnectTimeout string
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*Alias
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}{
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Alias: (*Alias)(e),
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}
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if err := json.Unmarshal(data, &aux); err != nil {
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return err
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}
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var err error
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if aux.ConnectTimeout != "" {
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if e.ConnectTimeout, err = time.ParseDuration(aux.ConnectTimeout); err != nil {
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return err
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}
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}
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return nil
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}
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func (e *ServiceResolverConfigEntry) GetKind() string { return e.Kind }
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func (e *ServiceResolverConfigEntry) GetName() string { return e.Name }
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func (e *ServiceResolverConfigEntry) GetPartition() string { return e.Partition }
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func (e *ServiceResolverConfigEntry) GetNamespace() string { return e.Namespace }
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func (e *ServiceResolverConfigEntry) GetMeta() map[string]string { return e.Meta }
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func (e *ServiceResolverConfigEntry) GetCreateIndex() uint64 { return e.CreateIndex }
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func (e *ServiceResolverConfigEntry) GetModifyIndex() uint64 { return e.ModifyIndex }
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type ServiceResolverSubset struct {
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Filter string `json:",omitempty"`
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OnlyPassing bool `json:",omitempty" alias:"only_passing"`
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}
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type ServiceResolverRedirect struct {
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Service string `json:",omitempty"`
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ServiceSubset string `json:",omitempty" alias:"service_subset"`
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Namespace string `json:",omitempty"`
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Partition string `json:",omitempty"`
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Datacenter string `json:",omitempty"`
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Peer string `json:",omitempty"`
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}
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type ServiceResolverFailover struct {
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Service string `json:",omitempty"`
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ServiceSubset string `json:",omitempty" alias:"service_subset"`
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// Referencing other partitions is not supported.
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Namespace string `json:",omitempty"`
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Datacenters []string `json:",omitempty"`
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Targets []ServiceResolverFailoverTarget `json:",omitempty"`
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}
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type ServiceResolverFailoverTarget struct {
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Service string `json:",omitempty"`
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ServiceSubset string `json:",omitempty" alias:"service_subset"`
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Partition string `json:",omitempty"`
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Namespace string `json:",omitempty"`
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Datacenter string `json:",omitempty"`
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Peer string `json:",omitempty"`
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}
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// LoadBalancer determines the load balancing policy and configuration for services
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// issuing requests to this upstream service.
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type LoadBalancer struct {
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// Policy is the load balancing policy used to select a host
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Policy string `json:",omitempty"`
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// RingHashConfig contains configuration for the "ring_hash" policy type
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RingHashConfig *RingHashConfig `json:",omitempty" alias:"ring_hash_config"`
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// LeastRequestConfig contains configuration for the "least_request" policy type
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LeastRequestConfig *LeastRequestConfig `json:",omitempty" alias:"least_request_config"`
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// HashPolicies is a list of hash policies to use for hashing load balancing algorithms.
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// Hash policies are evaluated individually and combined such that identical lists
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// result in the same hash.
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// If no hash policies are present, or none are successfully evaluated,
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// then a random backend host will be selected.
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HashPolicies []HashPolicy `json:",omitempty" alias:"hash_policies"`
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}
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// RingHashConfig contains configuration for the "ring_hash" policy type
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type RingHashConfig struct {
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// MinimumRingSize determines the minimum number of entries in the hash ring
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MinimumRingSize uint64 `json:",omitempty" alias:"minimum_ring_size"`
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// MaximumRingSize determines the maximum number of entries in the hash ring
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MaximumRingSize uint64 `json:",omitempty" alias:"maximum_ring_size"`
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}
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// LeastRequestConfig contains configuration for the "least_request" policy type
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type LeastRequestConfig struct {
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// ChoiceCount determines the number of random healthy hosts from which to select the one with the least requests.
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ChoiceCount uint32 `json:",omitempty" alias:"choice_count"`
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}
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// HashPolicy defines which attributes will be hashed by hash-based LB algorithms
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type HashPolicy struct {
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// Field is the attribute type to hash on.
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// Must be one of "header","cookie", or "query_parameter".
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// Cannot be specified along with SourceIP.
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Field string `json:",omitempty"`
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// FieldValue is the value to hash.
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// ie. header name, cookie name, URL query parameter name
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// Cannot be specified along with SourceIP.
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FieldValue string `json:",omitempty" alias:"field_value"`
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// CookieConfig contains configuration for the "cookie" hash policy type.
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CookieConfig *CookieConfig `json:",omitempty" alias:"cookie_config"`
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// SourceIP determines whether the hash should be of the source IP rather than of a field and field value.
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// Cannot be specified along with Field or FieldValue.
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SourceIP bool `json:",omitempty" alias:"source_ip"`
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// Terminal will short circuit the computation of the hash when multiple hash policies are present.
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// If a hash is computed when a Terminal policy is evaluated,
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// then that hash will be used and subsequent hash policies will be ignored.
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Terminal bool `json:",omitempty"`
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}
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// CookieConfig contains configuration for the "cookie" hash policy type.
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// This is specified to have Envoy generate a cookie for a client on its first request.
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type CookieConfig struct {
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// Generates a session cookie with no expiration.
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Session bool `json:",omitempty"`
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// TTL for generated cookies. Cannot be specified for session cookies.
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TTL time.Duration `json:",omitempty"`
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// The path to set for the cookie
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Path string `json:",omitempty"`
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}
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// HTTPHeaderModifiers is a set of rules for HTTP header modification that
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// should be performed by proxies as the request passes through them. It can
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// operate on either request or response headers depending on the context in
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// which it is used.
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type HTTPHeaderModifiers struct {
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// Add is a set of name -> value pairs that should be appended to the request
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// or response (i.e. allowing duplicates if the same header already exists).
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Add map[string]string `json:",omitempty"`
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// Set is a set of name -> value pairs that should be added to the request or
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// response, overwriting any existing header values of the same name.
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Set map[string]string `json:",omitempty"`
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// Remove is the set of header names that should be stripped from the request
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// or response.
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Remove []string `json:",omitempty"`
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}
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