dynamic_forward_proxyv3

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 Go to latest Published: May 5, 2023 License: Apache-2.0 Imports: 24 Imported by: 0

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Constants

This section is empty.

Variables

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var File_envoy_extensions_common_dynamic_forward_proxy_v3_dns_cache_proto protoreflect.FileDescriptor

Functions

This section is empty.

Types

type DnsCacheCircuitBreakers 

type DnsCacheCircuitBreakers struct {

	// The maximum number of pending requests that Envoy will allow to the
	// resolver. If not specified, the default is 1024.
	MaxPendingRequests *wrappers.UInt32Value `protobuf:"bytes,1,opt,name=max_pending_requests,json=maxPendingRequests,proto3" json:"max_pending_requests,omitempty"`
	// contains filtered or unexported fields
}

Configuration of circuit breakers for resolver.

func (*DnsCacheCircuitBreakers) Descriptor deprecated 

func (*DnsCacheCircuitBreakers) Descriptor() ([]byte, []int)

Deprecated: Use DnsCacheCircuitBreakers.ProtoReflect.Descriptor instead.

func (*DnsCacheCircuitBreakers) GetMaxPendingRequests 

func (x *DnsCacheCircuitBreakers) GetMaxPendingRequests() *wrappers.UInt32Value

func (*DnsCacheCircuitBreakers) ProtoMessage 

func (*DnsCacheCircuitBreakers) ProtoMessage()

func (*DnsCacheCircuitBreakers) ProtoReflect 

func (x *DnsCacheCircuitBreakers) ProtoReflect() protoreflect.Message

func (*DnsCacheCircuitBreakers) Reset 

func (x *DnsCacheCircuitBreakers) Reset()

func (*DnsCacheCircuitBreakers) String 

func (x *DnsCacheCircuitBreakers) String() string

func (*DnsCacheCircuitBreakers) Validate 

func (m *DnsCacheCircuitBreakers) Validate() error

Validate checks the field values on DnsCacheCircuitBreakers with the rules defined in the proto definition for this message. If any rules are violated, the first error encountered is returned, or nil if there are no violations.

func (*DnsCacheCircuitBreakers) ValidateAll 

func (m *DnsCacheCircuitBreakers) ValidateAll() error

ValidateAll checks the field values on DnsCacheCircuitBreakers with the rules defined in the proto definition for this message. If any rules are violated, the result is a list of violation errors wrapped in DnsCacheCircuitBreakersMultiError, or nil if none found.

type DnsCacheCircuitBreakersMultiError 

type DnsCacheCircuitBreakersMultiError []error

DnsCacheCircuitBreakersMultiError is an error wrapping multiple validation errors returned by DnsCacheCircuitBreakers.ValidateAll() if the designated constraints aren't met.

func (DnsCacheCircuitBreakersMultiError) AllErrors 

func (m DnsCacheCircuitBreakersMultiError) AllErrors() []error

AllErrors returns a list of validation violation errors.

func (DnsCacheCircuitBreakersMultiError) Error 

func (m DnsCacheCircuitBreakersMultiError) Error() string

Error returns a concatenation of all the error messages it wraps.

type DnsCacheCircuitBreakersValidationError 

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

DnsCacheCircuitBreakersValidationError is the validation error returned by DnsCacheCircuitBreakers.Validate if the designated constraints aren't met.

func (DnsCacheCircuitBreakersValidationError) Cause 

func (e DnsCacheCircuitBreakersValidationError) Cause() error

Cause function returns cause value.

func (DnsCacheCircuitBreakersValidationError) Error 

func (e DnsCacheCircuitBreakersValidationError) Error() string

Error satisfies the builtin error interface

func (DnsCacheCircuitBreakersValidationError) ErrorName 

func (e DnsCacheCircuitBreakersValidationError) ErrorName() string

ErrorName returns error name.

func (DnsCacheCircuitBreakersValidationError) Field 

func (e DnsCacheCircuitBreakersValidationError) Field() string

Field function returns field value.

func (DnsCacheCircuitBreakersValidationError) Key 

func (e DnsCacheCircuitBreakersValidationError) Key() bool

Key function returns key value.

func (DnsCacheCircuitBreakersValidationError) Reason 

func (e DnsCacheCircuitBreakersValidationError) Reason() string

Reason function returns reason value.

type DnsCacheConfig 

type DnsCacheConfig struct {

	// The name of the cache. Multiple named caches allow independent dynamic forward proxy
	// configurations to operate within a single Envoy process using different configurations. All
	// configurations with the same name *must* otherwise have the same settings when referenced
	// from different configuration components. Configuration will fail to load if this is not
	// the case.
	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	// The DNS lookup family to use during resolution.
	//
	// [#comment:TODO(mattklein123): Figure out how to support IPv4/IPv6 "happy eyeballs" mode. The
	// way this might work is a new lookup family which returns both IPv4 and IPv6 addresses, and
	// then configures a host to have a primary and fall back address. With this, we could very
	// likely build a "happy eyeballs" connection pool which would race the primary / fall back
	// address and return the one that wins. This same method could potentially also be used for
	// QUIC to TCP fall back.]
	DnsLookupFamily v3.Cluster_DnsLookupFamily `` /* 162-byte string literal not displayed */
	// The DNS refresh rate for unresolved DNS hosts. If not specified defaults to 60s.
	//
	// The refresh rate is rounded to the closest millisecond, and must be at least 1ms.
	//
	// Once a host has been resolved, the refresh rate will be the DNS TTL, capped
	// at a minimum of “dns_min_refresh_rate“.
	DnsRefreshRate *duration.Duration `protobuf:"bytes,3,opt,name=dns_refresh_rate,json=dnsRefreshRate,proto3" json:"dns_refresh_rate,omitempty"`
	// The minimum rate that DNS resolution will occur. Per “dns_refresh_rate“, once a host is
	// resolved, the DNS TTL will be used, with a minimum set by “dns_min_refresh_rate“.
	// “dns_min_refresh_rate“ defaults to 5s and must also be >= 5s.
	DnsMinRefreshRate *duration.Duration `protobuf:"bytes,14,opt,name=dns_min_refresh_rate,json=dnsMinRefreshRate,proto3" json:"dns_min_refresh_rate,omitempty"`
	// The TTL for hosts that are unused. Hosts that have not been used in the configured time
	// interval will be purged. If not specified defaults to 5m.
	//
	// .. note:
	//
	//   The TTL is only checked at the time of DNS refresh, as specified by “dns_refresh_rate“. This
	//   means that if the configured TTL is shorter than the refresh rate the host may not be removed
	//   immediately.
	//
	//  .. note:
	//
	//   The TTL has no relation to DNS TTL and is only used to control Envoy's resource usage.
	HostTtl *duration.Duration `protobuf:"bytes,4,opt,name=host_ttl,json=hostTtl,proto3" json:"host_ttl,omitempty"`
	// The maximum number of hosts that the cache will hold. If not specified defaults to 1024.
	//
	// .. note:
	//
	//   The implementation is approximate and enforced independently on each worker thread, thus
	//   it is possible for the maximum hosts in the cache to go slightly above the configured
	//   value depending on timing. This is similar to how other circuit breakers work.
	MaxHosts *wrappers.UInt32Value `protobuf:"bytes,5,opt,name=max_hosts,json=maxHosts,proto3" json:"max_hosts,omitempty"`
	// If the DNS failure refresh rate is specified,
	// this is used as the cache's DNS refresh rate when DNS requests are failing. If this setting is
	// not specified, the failure refresh rate defaults to the dns_refresh_rate.
	DnsFailureRefreshRate *v3.Cluster_RefreshRate `` /* 128-byte string literal not displayed */
	// The config of circuit breakers for resolver. It provides a configurable threshold.
	// Envoy will use dns cache circuit breakers with default settings even if this value is not set.
	DnsCacheCircuitBreaker *DnsCacheCircuitBreakers `` /* 131-byte string literal not displayed */
	// Always use TCP queries instead of UDP queries for DNS lookups.
	// This field is deprecated in favor of “dns_resolution_config“
	// which aggregates all of the DNS resolver configuration in a single message.
	//
	// Deprecated: Do not use.
	UseTcpForDnsLookups bool `protobuf:"varint,8,opt,name=use_tcp_for_dns_lookups,json=useTcpForDnsLookups,proto3" json:"use_tcp_for_dns_lookups,omitempty"`
	// DNS resolution configuration which includes the underlying dns resolver addresses and options.
	// This field is deprecated in favor of
	// :ref:`typed_dns_resolver_config <envoy_v3_api_field_extensions.common.dynamic_forward_proxy.v3.DnsCacheConfig.typed_dns_resolver_config>`.
	//
	// Deprecated: Do not use.
	DnsResolutionConfig *v31.DnsResolutionConfig `protobuf:"bytes,9,opt,name=dns_resolution_config,json=dnsResolutionConfig,proto3" json:"dns_resolution_config,omitempty"`
	// DNS resolver type configuration extension. This extension can be used to configure c-ares, apple,
	// or any other DNS resolver types and the related parameters.
	// For example, an object of
	// :ref:`CaresDnsResolverConfig <envoy_v3_api_msg_extensions.network.dns_resolver.cares.v3.CaresDnsResolverConfig>`
	// can be packed into this “typed_dns_resolver_config“. This configuration replaces the
	// :ref:`dns_resolution_config <envoy_v3_api_field_extensions.common.dynamic_forward_proxy.v3.DnsCacheConfig.dns_resolution_config>`
	// configuration.
	// During the transition period when both “dns_resolution_config“ and “typed_dns_resolver_config“ exists,
	// when “typed_dns_resolver_config“ is in place, Envoy will use it and ignore “dns_resolution_config“.
	// When “typed_dns_resolver_config“ is missing, the default behavior is in place.
	// [#extension-category: envoy.network.dns_resolver]
	TypedDnsResolverConfig *v31.TypedExtensionConfig `` /* 132-byte string literal not displayed */
	// Hostnames that should be preresolved into the cache upon creation. This might provide a
	// performance improvement, in the form of cache hits, for hostnames that are going to be
	// resolved during steady state and are known at config load time.
	PreresolveHostnames []*v31.SocketAddress `protobuf:"bytes,10,rep,name=preresolve_hostnames,json=preresolveHostnames,proto3" json:"preresolve_hostnames,omitempty"`
	// The timeout used for DNS queries. This timeout is independent of any timeout and retry policy
	// used by the underlying DNS implementation (e.g., c-areas and Apple DNS) which are opaque.
	// Setting this timeout will ensure that queries succeed or fail within the specified time frame
	// and are then retried using the standard refresh rates. Defaults to 5s if not set.
	DnsQueryTimeout *duration.Duration `protobuf:"bytes,11,opt,name=dns_query_timeout,json=dnsQueryTimeout,proto3" json:"dns_query_timeout,omitempty"`
	// Configuration to flush the DNS cache to long term storage.
	KeyValueConfig *v32.KeyValueStoreConfig `protobuf:"bytes,13,opt,name=key_value_config,json=keyValueConfig,proto3" json:"key_value_config,omitempty"`
	// contains filtered or unexported fields
}

Configuration for the dynamic forward proxy DNS cache. See the :ref:`architecture overview <arch_overview_http_dynamic_forward_proxy>` for more information. [#next-free-field: 15]

func (*DnsCacheConfig) Descriptor deprecated 

func (*DnsCacheConfig) Descriptor() ([]byte, []int)

Deprecated: Use DnsCacheConfig.ProtoReflect.Descriptor instead.

func (*DnsCacheConfig) GetDnsCacheCircuitBreaker 

func (x *DnsCacheConfig) GetDnsCacheCircuitBreaker() *DnsCacheCircuitBreakers

func (*DnsCacheConfig) GetDnsFailureRefreshRate 

func (x *DnsCacheConfig) GetDnsFailureRefreshRate() *v3.Cluster_RefreshRate

func (*DnsCacheConfig) GetDnsLookupFamily 

func (x *DnsCacheConfig) GetDnsLookupFamily() v3.Cluster_DnsLookupFamily

func (*DnsCacheConfig) GetDnsMinRefreshRate 

func (x *DnsCacheConfig) GetDnsMinRefreshRate() *duration.Duration

func (*DnsCacheConfig) GetDnsQueryTimeout 

func (x *DnsCacheConfig) GetDnsQueryTimeout() *duration.Duration

func (*DnsCacheConfig) GetDnsRefreshRate 

func (x *DnsCacheConfig) GetDnsRefreshRate() *duration.Duration

func (*DnsCacheConfig) GetDnsResolutionConfig deprecated 

func (x *DnsCacheConfig) GetDnsResolutionConfig() *v31.DnsResolutionConfig

Deprecated: Do not use.

func (*DnsCacheConfig) GetHostTtl 

func (x *DnsCacheConfig) GetHostTtl() *duration.Duration

func (*DnsCacheConfig) GetKeyValueConfig 

func (x *DnsCacheConfig) GetKeyValueConfig() *v32.KeyValueStoreConfig

func (*DnsCacheConfig) GetMaxHosts 

func (x *DnsCacheConfig) GetMaxHosts() *wrappers.UInt32Value

func (*DnsCacheConfig) GetName 

func (x *DnsCacheConfig) GetName() string

func (*DnsCacheConfig) GetPreresolveHostnames 

func (x *DnsCacheConfig) GetPreresolveHostnames() []*v31.SocketAddress

func (*DnsCacheConfig) GetTypedDnsResolverConfig 

func (x *DnsCacheConfig) GetTypedDnsResolverConfig() *v31.TypedExtensionConfig

func (*DnsCacheConfig) GetUseTcpForDnsLookups deprecated 

func (x *DnsCacheConfig) GetUseTcpForDnsLookups() bool

Deprecated: Do not use.

func (*DnsCacheConfig) ProtoMessage 

func (*DnsCacheConfig) ProtoMessage()

func (*DnsCacheConfig) ProtoReflect 

func (x *DnsCacheConfig) ProtoReflect() protoreflect.Message

func (*DnsCacheConfig) Reset 

func (x *DnsCacheConfig) Reset()

func (*DnsCacheConfig) String 

func (x *DnsCacheConfig) String() string

func (*DnsCacheConfig) Validate 

func (m *DnsCacheConfig) Validate() error

Validate checks the field values on DnsCacheConfig with the rules defined in the proto definition for this message. If any rules are violated, the first error encountered is returned, or nil if there are no violations.

func (*DnsCacheConfig) ValidateAll 

func (m *DnsCacheConfig) ValidateAll() error

ValidateAll checks the field values on DnsCacheConfig with the rules defined in the proto definition for this message. If any rules are violated, the result is a list of violation errors wrapped in DnsCacheConfigMultiError, or nil if none found.

type DnsCacheConfigMultiError 

type DnsCacheConfigMultiError []error

DnsCacheConfigMultiError is an error wrapping multiple validation errors returned by DnsCacheConfig.ValidateAll() if the designated constraints aren't met.

func (DnsCacheConfigMultiError) AllErrors 

func (m DnsCacheConfigMultiError) AllErrors() []error

AllErrors returns a list of validation violation errors.

func (DnsCacheConfigMultiError) Error 

func (m DnsCacheConfigMultiError) Error() string

Error returns a concatenation of all the error messages it wraps.

type DnsCacheConfigValidationError 

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

DnsCacheConfigValidationError is the validation error returned by DnsCacheConfig.Validate if the designated constraints aren't met.

func (DnsCacheConfigValidationError) Cause 

func (e DnsCacheConfigValidationError) Cause() error

Cause function returns cause value.

func (DnsCacheConfigValidationError) Error 

func (e DnsCacheConfigValidationError) Error() string

Error satisfies the builtin error interface

func (DnsCacheConfigValidationError) ErrorName 

func (e DnsCacheConfigValidationError) ErrorName() string

ErrorName returns error name.

func (DnsCacheConfigValidationError) Field 

func (e DnsCacheConfigValidationError) Field() string

Field function returns field value.

func (DnsCacheConfigValidationError) Key 

func (e DnsCacheConfigValidationError) Key() bool

Key function returns key value.

func (DnsCacheConfigValidationError) Reason 

func (e DnsCacheConfigValidationError) Reason() string

Reason function returns reason value.

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