open-consul/proto/pbpeering/peering.proto

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syntax = "proto3";
package hashicorp.consul.internal.peering;
import "google/protobuf/timestamp.proto";
// PeeringService handles operations for establishing peering relationships
// between disparate Consul clusters.
service PeeringService {
rpc GenerateToken(GenerateTokenRequest) returns (GenerateTokenResponse);
rpc Establish(EstablishRequest) returns (EstablishResponse);
rpc PeeringRead(PeeringReadRequest) returns (PeeringReadResponse);
rpc PeeringList(PeeringListRequest) returns (PeeringListResponse);
rpc PeeringDelete(PeeringDeleteRequest) returns (PeeringDeleteResponse);
// TODO(peering): As of writing, this method is only used in tests to set up Peerings in the state store.
// Consider removing if we can find another way to populate state store in peering_endpoint_test.go
rpc PeeringWrite(PeeringWriteRequest) returns (PeeringWriteResponse);
// TODO(peering): Rename this to PeeredServiceRoots? or something like that?
rpc TrustBundleListByService(TrustBundleListByServiceRequest) returns (TrustBundleListByServiceResponse);
rpc TrustBundleRead(TrustBundleReadRequest) returns (TrustBundleReadResponse);
}
// PeeringState enumerates all the states a peering can be in.
enum PeeringState {
// Undefined represents an unset value for PeeringState during
// writes.
UNDEFINED = 0;
// Pending means the peering was created by generating a peering token.
// Peerings stay in a pending state until the peer uses the token to dial
// the local cluster.
PENDING = 1;
// Establishing means the peering is being established from a peering token.
// This is the initial state for dialing peers.
ESTABLISHING = 2;
// Active means that the peering connection is active and healthy.
ACTIVE = 3;
// Failing means the peering connection has been interrupted but has not yet
// been terminated.
FAILING = 4;
// Deleting means a peering was marked for deletion and is in the process
// of being deleted.
DELETING = 5;
// Terminated means the peering relationship has been removed.
TERMINATED = 6;
}
// SecretsWriteRequest encodes a request to write a peering secret as the result
// of some operation. Different operations, such as generating a peering token,
// lead to modifying the known secrets associated with a peering.
message SecretsWriteRequest {
// PeerID is the local UUID of the peering this request applies to.
string PeerID = 1;
oneof Request {
GenerateTokenRequest generate_token = 2;
ExchangeSecretRequest exchange_secret = 3;
PromotePendingRequest promote_pending = 4;
EstablishRequest establish = 5;
}
// GenerateTokenRequest encodes a request to persist a peering establishment
// secret. It is triggered by generating a new peering token for a peer cluster.
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message GenerateTokenRequest {
// establishment_secret is the proposed secret ID to store as the establishment
// secret for this peering.
string establishment_secret = 1;
}
// ExchangeSecretRequest encodes a request to persist a pending stream secret
// secret. It is triggered by an acceptor peer generating a long-lived stream secret
// in exchange for an establishment secret.
message ExchangeSecretRequest {
// establishment_secret is the secret to exchange for the given pending stream secret.
string establishment_secret = 1;
// pending_stream_secret is the proposed secret ID to store as the pending stream
// secret for this peering.
string pending_stream_secret = 2;
}
// PromotePendingRequest encodes a request to promote a pending stream secret
// to be an active stream secret. It is triggered when the accepting stream handler
// validates an Open request from a peer with a pending stream secret.
message PromotePendingRequest {
// active_stream_secret is the proposed secret ID to store as the active stream
// secret for this peering.
string active_stream_secret = 1;
}
// EstablishRequest encodes a request to persist an active stream secret.
// It is triggered after a dialing peer exchanges their establishment secret
// for a long-lived active stream secret.
message EstablishRequest {
// active_stream_secret is the proposed secret ID to store as the active stream
// secret for this peering.
string active_stream_secret = 1;
}
}
// PeeringSecrets defines a secret used for authenticating/authorizing peer clusters.
message PeeringSecrets {
// PeerID is the local UUID of the peering this secret was generated for.
string PeerID = 1;
message Establishment {
// SecretID is the one-time-use peering establishment secret.
string SecretID = 1;
}
message Stream {
// ActiveSecretID is the active UUID-v4 secret being used for authorization at
// the peering stream.
string ActiveSecretID = 1;
// PendingSecretID is a UUID-v4 secret introduced during secret rotation.
// When a peering is established or re-established, both the active secret and
// pending secret are considered valid. However, once the dialing peer uses
// the pending secret then it transitions to active and the previously active
// secret is discarded.
//
// Pending secret IDs are only valid for long-lived stream secrets.
// Only one establishment secret can exist for a peer at a time since they
// are designed for one-time use.
string PendingSecretID = 2;
}
Establishment establishment = 2;
Stream stream = 3;
}
// Peering defines a peering relationship between two disparate Consul clusters
//
// mog annotation:
//
// target=github.com/hashicorp/consul/api.Peering
// output=peering.gen.go
// name=API
message Peering {
// ID is a datacenter-scoped UUID for the peering.
// The ID is generated when a peering is first written to the state store.
string ID = 1;
// Name is the local alias for the peering relationship.
string Name = 2;
// Partition is the local partition connecting to the peer.
string Partition = 3;
// DeletedAt is the time when the Peering was marked for deletion
// This is nullable so that we can omit if empty when encoding in JSON
// mog: func-to=TimePtrFromProto func-from=TimePtrToProto
google.protobuf.Timestamp DeletedAt = 4;
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// Meta is a mapping of some string value to any other string value
map<string, string> Meta = 5;
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// State is one of the valid PeeringState values to represent the status of
// peering relationship.
//
// mog: func-to=PeeringStateToAPI func-from=PeeringStateFromAPI
PeeringState State = 6;
// PeerID is the ID that our peer assigned to this peering.
// This ID is to be used when dialing the peer, so that it can know who dialed it.
string PeerID = 7;
// PeerCAPems contains all the CA certificates for the remote peer.
repeated string PeerCAPems = 8;
// PeerServerName is the name of the remote server as it relates to TLS.
string PeerServerName = 9;
// PeerServerAddresses contains all the the connection addresses for the remote peer.
repeated string PeerServerAddresses = 10;
// StreamStatus contains information computed on read based on the state of the stream.
//
// mog: func-to=StreamStatusToAPI func-from=StreamStatusFromAPI
StreamStatus StreamStatus = 13;
// CreateIndex is the Raft index at which the Peering was created.
// @gotags: bexpr:"-"
uint64 CreateIndex = 11;
// ModifyIndex is the latest Raft index at which the Peering. was modified.
// @gotags: bexpr:"-"
uint64 ModifyIndex = 12;
// Remote contains metadata about the remote peer.
RemoteInfo Remote = 17;
// ManualServerAddresses provides a list of manually specified server addresses from the
// user. If this is defined, then the automatic PeerServerAddresses are ignored.
repeated string ManualServerAddresses = 18;
}
// RemoteInfo contains metadata about the remote peer.
// mog annotation:
//
// target=github.com/hashicorp/consul/api.PeeringRemoteInfo
// output=peering.gen.go
// name=API
message RemoteInfo {
// Partition is the remote peer's partition.
string Partition = 1;
// Datacenter is the remote peer's datacenter.
string Datacenter = 2;
}
// StreamStatus represents information about an active peering stream.
message StreamStatus {
// ImportedServices is the list of services imported from this peering.
repeated string ImportedServices = 1;
// ExportedServices is the list of services exported to this peering.
repeated string ExportedServices = 2;
// LastHeartbeat represents when the last heartbeat message was received.
google.protobuf.Timestamp LastHeartbeat = 3;
// LastReceive represents when any message was last received, regardless of success or error.
google.protobuf.Timestamp LastReceive = 4;
// LastSend represents when any message was last sent, regardless of success or error.
google.protobuf.Timestamp LastSend = 5;
}
// PeeringTrustBundle holds the trust information for validating requests from a peer.
message PeeringTrustBundle {
// TrustDomain is the domain for the bundle, example.com, foo.bar.gov for example. Note that this must not have a prefix such as "spiffe://".
string TrustDomain = 1;
// PeerName associates the trust bundle with a peer.
string PeerName = 2;
// Partition isolates the bundle from other trust bundles in separate local partitions.
string Partition = 3;
// RootPEMs holds ASN.1 DER encoded X.509 certificate data for the trust bundle.
repeated string RootPEMs = 4;
// ExportedPartition references the remote partition of the peer
// which sent this trust bundle. Used for generating SpiffeIDs.
string ExportedPartition = 5;
// CreateIndex is the Raft index at which the trust domain was created.
// @gotags: bexpr:"-"
uint64 CreateIndex = 6;
// ModifyIndex is the latest Raft index at which the trust bundle was modified.
// @gotags: bexpr:"-"
uint64 ModifyIndex = 7;
}
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// PeeringServerAddresses contains the latest snapshot of all known
// server addresses for a peer.
message PeeringServerAddresses {
repeated string Addresses = 1;
}
// @consul-rpc-glue: LeaderReadTODO
message PeeringReadRequest {
string Name = 1;
string Partition = 2;
}
message PeeringReadResponse {
Peering Peering = 1;
}
// @consul-rpc-glue: LeaderReadTODO
message PeeringListRequest {
string Partition = 1;
}
message PeeringListResponse {
repeated Peering Peerings = 1;
uint64 Index = 2;
}
message PeeringWriteRequest {
// Peering is the peering to write with the request.
Peering Peering = 1;
// SecretsWriteRequest contains the optional peering secrets to persist
// with the peering. Peering secrets are not embedded in the peering
// object to avoid leaking them.
SecretsWriteRequest SecretsRequest = 2;
map<string, string> Meta = 3;
}
// TODO(peering): Consider returning Peering if we keep this endpoint around
message PeeringWriteResponse {}
message PeeringDeleteRequest {
string Name = 1;
string Partition = 2;
}
message PeeringDeleteResponse {}
message TrustBundleListByServiceRequest {
string ServiceName = 1;
string Namespace = 2;
string Partition = 3;
string Kind = 4;
}
message TrustBundleListByServiceResponse {
uint64 Index = 1;
repeated PeeringTrustBundle Bundles = 2;
}
message TrustBundleReadRequest {
string Name = 1;
string Partition = 2;
}
message TrustBundleReadResponse {
uint64 Index = 1;
PeeringTrustBundle Bundle = 2;
}
// This is a purely internal type and does not require query metadata.
message PeeringTerminateByIDRequest {
string ID = 1;
}
message PeeringTerminateByIDResponse {}
message PeeringTrustBundleWriteRequest {
PeeringTrustBundle PeeringTrustBundle = 1;
}
message PeeringTrustBundleWriteResponse {}
message PeeringTrustBundleDeleteRequest {
string Name = 1;
string Partition = 2;
}
message PeeringTrustBundleDeleteResponse {}
// mog annotation:
//
// target=github.com/hashicorp/consul/api.PeeringGenerateTokenRequest
// output=peering.gen.go
// name=API
message GenerateTokenRequest {
// Name of the remote peer.
string PeerName = 1;
// Partition is the local partition being peered.
string Partition = 2;
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// Meta is a mapping of some string value to any other string value
map<string, string> Meta = 5;
// ServerExternalAddresses is a list of addresses to put into the generated token. This could be used to specify
// load balancer(s) or external IPs to reach the servers from the dialing side, and will override any server
// addresses obtained from the "consul" service.
repeated string ServerExternalAddresses = 6;
}
// mog annotation:
//
// target=github.com/hashicorp/consul/api.PeeringGenerateTokenResponse
// output=peering.gen.go
// name=API
message GenerateTokenResponse {
// PeeringToken is an opaque string provided to the remote peer for it to complete
// the peering initialization handshake.
string PeeringToken = 1;
}
// mog annotation:
//
// target=github.com/hashicorp/consul/api.PeeringEstablishRequest
// output=peering.gen.go
// name=API
message EstablishRequest {
// Name of the remote peer.
string PeerName = 1;
// The peering token returned from the peer's GenerateToken endpoint.
string PeeringToken = 2;
// Partition is the local partition being peered.
string Partition = 3;
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// Meta is a mapping of some string value to any other string value
map<string, string> Meta = 4;
}
// mog annotation:
//
// target=github.com/hashicorp/consul/api.PeeringEstablishResponse
// output=peering.gen.go
// name=API
message EstablishResponse {}