Implement the ServerDiscovery.WatchServers gRPC endpoint (#12819)
* Implement the ServerDiscovery.WatchServers gRPC endpoint * Fix the ConnectCA.Sign gRPC endpoints metadata forwarding. * Unify public gRPC endpoints around the public.TraceID function for request_id logging
This commit is contained in:
Matt Keeler
GitHub
parent
793eceacb7
commit
f49adfaaf0
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@ -0,0 +1,3 @@
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```release-note:improvement
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grpc: Add a new ServerDiscovery.WatchServers gRPC endpoint for being notified when the set of ready servers has changed.
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```
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@ -2,16 +2,15 @@ package consul
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import (
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"context"
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"net"
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"google.golang.org/grpc"
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"github.com/hashicorp/consul/agent/connect"
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"github.com/hashicorp/consul/agent/grpc/public"
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"github.com/hashicorp/consul/proto-public/pbconnectca"
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"github.com/hashicorp/consul/testrpc"
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"github.com/hashicorp/consul/proto-public/pbserverdiscovery"
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)
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func TestGRPCIntegration_ConnectCA_Sign(t *testing.T) {
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@ -19,8 +18,6 @@ func TestGRPCIntegration_ConnectCA_Sign(t *testing.T) {
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t.Skip("too slow for testing.Short")
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}
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t.Parallel()
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// The gRPC endpoint itself well-tested with mocks. This test checks we're
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// correctly wiring everything up in the server by:
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//
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@ -28,42 +25,24 @@ func TestGRPCIntegration_ConnectCA_Sign(t *testing.T) {
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// * Making a request to a follower's public gRPC port.
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// * Ensuring that the request is correctly forwarded to the leader.
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// * Ensuring we get a valid certificate back (so it went through the CAManager).
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dir1, server1 := testServerWithConfig(t, func(c *Config) {
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server1, conn1 := testGRPCIntegrationServer(t, func(c *Config) {
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c.Bootstrap = false
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c.BootstrapExpect = 2
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})
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defer os.RemoveAll(dir1)
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defer server1.Shutdown()
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dir2, server2 := testServerWithConfig(t, func(c *Config) {
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server2, conn2 := testGRPCIntegrationServer(t, func(c *Config) {
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c.Bootstrap = false
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})
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defer os.RemoveAll(dir2)
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defer server2.Shutdown()
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joinLAN(t, server2, server1)
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testrpc.WaitForLeader(t, server1.RPC, "dc1")
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waitForLeaderEstablishment(t, server1, server2)
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var follower *Server
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if server1.IsLeader() {
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follower = server2
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} else {
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follower = server1
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conn := conn2
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if server2.IsLeader() {
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conn = conn1
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}
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// publicGRPCServer is bound to a listener by the wrapping agent code, so we
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// need to do it ourselves here.
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lis, err := net.Listen("tcp", "127.0.0.1:0")
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require.NoError(t, err)
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go func() {
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require.NoError(t, follower.publicGRPCServer.Serve(lis))
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}()
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t.Cleanup(follower.publicGRPCServer.Stop)
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conn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure())
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require.NoError(t, err)
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client := pbconnectca.NewConnectCAServiceClient(conn)
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csr, _ := connect.TestCSR(t, &connect.SpiffeIDService{
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@ -73,8 +52,13 @@ func TestGRPCIntegration_ConnectCA_Sign(t *testing.T) {
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Service: "foo",
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})
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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t.Cleanup(cancel)
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ctx = public.ContextWithToken(ctx, TestDefaultInitialManagementToken)
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// This would fail if it wasn't forwarded to the leader.
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rsp, err := client.Sign(context.Background(), &pbconnectca.SignRequest{
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rsp, err := client.Sign(ctx, &pbconnectca.SignRequest{
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Csr: csr,
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})
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require.NoError(t, err)
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@ -82,3 +66,52 @@ func TestGRPCIntegration_ConnectCA_Sign(t *testing.T) {
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_, err = connect.ParseCert(rsp.CertPem)
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require.NoError(t, err)
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}
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func TestGRPCIntegration_ServerDiscovery_WatchServers(t *testing.T) {
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if testing.Short() {
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t.Skip("too slow for testing.Short")
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}
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// The gRPC endpoint itself well-tested with mocks. This test checks we're
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// correctly wiring everything up in the server by:
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//
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// * Starting a server
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// * Initiating the gRPC stream
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// * Validating the snapshot
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// * Adding another server
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// * Validating another message is sent.
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server1, conn := testGRPCIntegrationServer(t, func(c *Config) {
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c.Bootstrap = true
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c.BootstrapExpect = 1
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})
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waitForLeaderEstablishment(t, server1)
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client := pbserverdiscovery.NewServerDiscoveryServiceClient(conn)
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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t.Cleanup(cancel)
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ctx = public.ContextWithToken(ctx, TestDefaultInitialManagementToken)
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serverStream, err := client.WatchServers(ctx, &pbserverdiscovery.WatchServersRequest{Wan: false})
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require.NoError(t, err)
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rsp, err := serverStream.Recv()
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require.NoError(t, err)
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require.NotNil(t, rsp)
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require.Len(t, rsp.Servers, 1)
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_, server2, _ := testACLServerWithConfig(t, func(c *Config) {
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c.Bootstrap = false
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}, false)
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// join the new server to the leader
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joinLAN(t, server2, server1)
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// now receive the event containing 2 servers
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rsp, err = serverStream.Recv()
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require.NoError(t, err)
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require.NotNil(t, rsp)
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require.Len(t, rsp.Servers, 2)
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}
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@ -46,6 +46,7 @@ import (
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"github.com/hashicorp/consul/agent/grpc/private/services/subscribe"
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"github.com/hashicorp/consul/agent/grpc/public/services/connectca"
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"github.com/hashicorp/consul/agent/grpc/public/services/dataplane"
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"github.com/hashicorp/consul/agent/grpc/public/services/serverdiscovery"
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"github.com/hashicorp/consul/agent/metadata"
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"github.com/hashicorp/consul/agent/pool"
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"github.com/hashicorp/consul/agent/router"
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@ -683,6 +684,12 @@ func NewServer(config *Config, flat Deps, publicGRPCServer *grpc.Server) (*Serve
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Datacenter: s.config.Datacenter,
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}).Register(s.publicGRPCServer)
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serverdiscovery.NewServer(serverdiscovery.Config{
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Publisher: s.publisher,
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ACLResolver: plainACLResolver{s.ACLResolver},
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Logger: logger.Named("grpc-api.server-discovery"),
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}).Register(s.publicGRPCServer)
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// Initialize private gRPC server.
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//
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// Note: some "public" gRPC services are also exposed on the private gRPC server
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@ -257,6 +257,26 @@ func testACLServerWithConfig(t *testing.T, cb func(*Config), initReplicationToke
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return dir, srv, codec
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}
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func testGRPCIntegrationServer(t *testing.T, cb func(*Config)) (*Server, *grpc.ClientConn) {
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_, srv, _ := testACLServerWithConfig(t, cb, false)
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// Normally the gRPC server listener is created at the agent level and passed down into
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// the Server creation. For our tests, we need to ensure
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ln, err := net.Listen("tcp", "127.0.0.1:0")
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require.NoError(t, err)
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go func() {
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_ = srv.publicGRPCServer.Serve(ln)
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}()
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t.Cleanup(srv.publicGRPCServer.Stop)
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conn, err := grpc.Dial(ln.Addr().String(), grpc.WithInsecure())
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require.NoError(t, err)
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t.Cleanup(func() { _ = conn.Close() })
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return srv, conn
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}
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func newServer(t *testing.T, c *Config) (*Server, error) {
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return newServerWithDeps(t, c, newDefaultDeps(t, c))
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}
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@ -0,0 +1,16 @@
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package public
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import (
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"context"
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"google.golang.org/grpc/metadata"
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)
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func ForwardMetadataContext(ctx context.Context) context.Context {
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md, ok := metadata.FromIncomingContext(ctx)
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if !ok {
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return ctx
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}
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return metadata.NewOutgoingContext(ctx, md)
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}
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@ -2,17 +2,15 @@ package connectca
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import (
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"context"
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"net"
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"sync"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"google.golang.org/grpc"
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"github.com/hashicorp/consul/agent/consul/state"
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"github.com/hashicorp/consul/agent/consul/stream"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/agent/grpc/public/testutils"
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structs "github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/proto-public/pbconnectca"
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)
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@ -20,68 +18,26 @@ func noopForwardRPC(structs.RPCInfo, func(*grpc.ClientConn) error) (bool, error)
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return false, nil
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}
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func testStateStore(t *testing.T, publisher state.EventPublisher) *state.Store {
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func setupFSMAndPublisher(t *testing.T) (*testutils.FakeFSM, state.EventPublisher) {
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t.Helper()
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gc, err := state.NewTombstoneGC(time.Second, time.Millisecond)
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require.NoError(t, err)
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return state.NewStateStoreWithEventPublisher(gc, publisher)
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}
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type FakeFSM struct {
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lock sync.Mutex
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store *state.Store
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publisher *stream.EventPublisher
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}
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func newFakeFSM(t *testing.T, publisher *stream.EventPublisher) *FakeFSM {
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t.Helper()
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store := testStateStore(t, publisher)
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fsm := FakeFSM{store: store, publisher: publisher}
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config := testutils.FakeFSMConfig{
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Register: func(fsm *testutils.FakeFSM, publisher *stream.EventPublisher) {
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// register handlers
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publisher.RegisterHandler(state.EventTopicCARoots, func(req stream.SubscribeRequest, buf stream.SnapshotAppender) (uint64, error) {
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return fsm.GetStore().CARootsSnapshot(req, buf)
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})
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return &fsm
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},
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Refresh: []stream.Topic{state.EventTopicCARoots},
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}
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func (f *FakeFSM) GetStore() *state.Store {
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f.lock.Lock()
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defer f.lock.Unlock()
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return f.store
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}
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func (f *FakeFSM) ReplaceStore(store *state.Store) {
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f.lock.Lock()
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defer f.lock.Unlock()
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oldStore := f.store
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f.store = store
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oldStore.Abandon()
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f.publisher.RefreshTopic(state.EventTopicCARoots)
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}
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func setupFSMAndPublisher(t *testing.T) (*FakeFSM, state.EventPublisher) {
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t.Helper()
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publisher := stream.NewEventPublisher(10 * time.Second)
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fsm := newFakeFSM(t, publisher)
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ctx, cancel := context.WithCancel(context.Background())
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t.Cleanup(cancel)
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go publisher.Run(ctx)
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return fsm, publisher
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return testutils.SetupFSMAndPublisher(t, config)
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}
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func testClient(t *testing.T, server *Server) pbconnectca.ConnectCAServiceClient {
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t.Helper()
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addr := runTestServer(t, server)
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addr := testutils.RunTestServer(t, server)
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conn, err := grpc.DialContext(context.Background(), addr.String(), grpc.WithInsecure())
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require.NoError(t, err)
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@ -91,18 +47,3 @@ func testClient(t *testing.T, server *Server) pbconnectca.ConnectCAServiceClient
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return pbconnectca.NewConnectCAServiceClient(conn)
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}
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func runTestServer(t *testing.T, server *Server) net.Addr {
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t.Helper()
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lis, err := net.Listen("tcp", "127.0.0.1:0")
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require.NoError(t, err)
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grpcServer := grpc.NewServer()
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server.Register(grpcServer)
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go grpcServer.Serve(lis)
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t.Cleanup(grpcServer.Stop)
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return lis.Addr()
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}
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@ -22,7 +22,7 @@ func (s *Server) Sign(ctx context.Context, req *pbconnectca.SignRequest) (*pbcon
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return nil, err
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}
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logger := s.Logger.Named("sign").With("request_id", traceID())
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logger := s.Logger.Named("sign").With("request_id", public.TraceID())
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logger.Trace("request received")
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token := public.TokenFromContext(ctx)
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@ -48,6 +48,7 @@ func (s *Server) Sign(ctx context.Context, req *pbconnectca.SignRequest) (*pbcon
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var rsp *pbconnectca.SignResponse
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handled, err := s.ForwardRPC(&rpcInfo, func(conn *grpc.ClientConn) error {
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logger.Trace("forwarding RPC")
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ctx := public.ForwardMetadataContext(ctx)
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var err error
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rsp, err = pbconnectca.NewConnectCAServiceClient(conn).Sign(ctx, req)
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return err
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@ -15,6 +15,7 @@ import (
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acl "github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/agent/connect"
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"github.com/hashicorp/consul/agent/grpc/public/testutils"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/proto-public/pbconnectca"
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)
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@ -231,7 +232,7 @@ func TestSign_RPCForwarding(t *testing.T) {
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ForwardRPC: noopForwardRPC,
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ConnectEnabled: true,
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})
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leaderConn, err := grpc.Dial(runTestServer(t, leader).String(), grpc.WithInsecure())
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leaderConn, err := grpc.Dial(testutils.RunTestServer(t, leader).String(), grpc.WithInsecure())
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require.NoError(t, err)
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follower := NewServer(Config{
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@ -11,7 +11,6 @@ import (
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"google.golang.org/protobuf/types/known/timestamppb"
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"github.com/hashicorp/go-hclog"
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"github.com/hashicorp/go-uuid"
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"github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/agent/connect"
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@ -30,7 +29,7 @@ func (s *Server) WatchRoots(_ *emptypb.Empty, serverStream pbconnectca.ConnectCA
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return err
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}
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logger := s.Logger.Named("watch-roots").With("stream_id", traceID())
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logger := s.Logger.Named("watch-roots").With("request_id", public.TraceID())
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logger.Trace("starting stream")
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defer logger.Trace("stream closed")
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@ -181,16 +180,6 @@ func (s *Server) authorize(token string) error {
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return nil
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}
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// We tag logs with a unique identifier to ease debugging. In the future this
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// should probably be a real Open Telemetry trace ID.
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func traceID() string {
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id, err := uuid.GenerateUUID()
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if err != nil {
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return ""
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}
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return id
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}
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func getTrustDomain(store StateStore, logger hclog.Logger) (string, error) {
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_, cfg, err := store.CAConfig(nil)
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switch {
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@ -230,7 +230,7 @@ func TestWatchRoots_StateStoreAbandoned(t *testing.T) {
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mustGetRoots(t, rspCh)
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// Simulate a snapshot restore.
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storeB := testStateStore(t, publisher)
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storeB := testutils.TestStateStore(t, publisher)
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rootB := connect.TestCA(t, nil)
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_, err = storeB.CARootSetCAS(1, 0, structs.CARoots{rootB})
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@ -69,7 +69,7 @@ func TestGetEnvoyBootstrapParams_Success(t *testing.T) {
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}
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run := func(t *testing.T, tc testCase) {
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store := testStateStore(t)
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store := testutils.TestStateStore(t, nil)
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err := store.EnsureRegistration(1, tc.registerReq)
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require.NoError(t, err)
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@ -148,7 +148,7 @@ func TestGetEnvoyBootstrapParams_Error(t *testing.T) {
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Return(testutils.TestAuthorizerServiceRead(t, proxyServiceID), nil)
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ctx := public.ContextWithToken(context.Background(), testToken)
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store := testStateStore(t)
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store := testutils.TestStateStore(t, nil)
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registerReq := testRegisterRequestProxy(t)
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err := store.EnsureRegistration(1, registerReq)
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require.NoError(t, err)
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@ -217,7 +217,7 @@ func TestGetEnvoyBootstrapParams_Unauthenticated(t *testing.T) {
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aclResolver.On("ResolveTokenAndDefaultMeta", mock.Anything, mock.Anything, mock.Anything).
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Return(nil, acl.ErrNotFound)
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ctx := public.ContextWithToken(context.Background(), testToken)
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store := testStateStore(t)
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store := testutils.TestStateStore(t, nil)
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server := NewServer(Config{
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GetStore: func() StateStore { return store },
|
||||
Logger: hclog.NewNullLogger(),
|
||||
|
|
@ -236,7 +236,7 @@ func TestGetEnvoyBootstrapParams_PermissionDenied(t *testing.T) {
|
|||
aclResolver.On("ResolveTokenAndDefaultMeta", testToken, mock.Anything, mock.Anything).
|
||||
Return(acl.DenyAll(), nil)
|
||||
ctx := public.ContextWithToken(context.Background(), testToken)
|
||||
store := testStateStore(t)
|
||||
store := testutils.TestStateStore(t, nil)
|
||||
registerReq := structs.TestRegisterRequestProxy(t)
|
||||
proxyServiceID := "web-sidecar-proxy"
|
||||
registerReq.Service.ID = proxyServiceID
|
||||
|
|
|
|||
|
|
@ -2,29 +2,18 @@ package dataplane
|
|||
|
||||
import (
|
||||
"context"
|
||||
"net"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/hashicorp/consul/agent/consul/state"
|
||||
"github.com/hashicorp/consul/agent/grpc/public/testutils"
|
||||
"github.com/hashicorp/consul/proto-public/pbdataplane"
|
||||
"github.com/stretchr/testify/require"
|
||||
"google.golang.org/grpc"
|
||||
)
|
||||
|
||||
func testStateStore(t *testing.T) *state.Store {
|
||||
t.Helper()
|
||||
|
||||
gc, err := state.NewTombstoneGC(time.Second, time.Millisecond)
|
||||
require.NoError(t, err)
|
||||
|
||||
return state.NewStateStore(gc)
|
||||
}
|
||||
|
||||
func testClient(t *testing.T, server *Server) pbdataplane.DataplaneServiceClient {
|
||||
t.Helper()
|
||||
|
||||
addr := RunTestServer(t, server)
|
||||
addr := testutils.RunTestServer(t, server)
|
||||
|
||||
conn, err := grpc.DialContext(context.Background(), addr.String(), grpc.WithInsecure())
|
||||
require.NoError(t, err)
|
||||
|
|
@ -34,18 +23,3 @@ func testClient(t *testing.T, server *Server) pbdataplane.DataplaneServiceClient
|
|||
|
||||
return pbdataplane.NewDataplaneServiceClient(conn)
|
||||
}
|
||||
|
||||
func RunTestServer(t *testing.T, server *Server) net.Addr {
|
||||
t.Helper()
|
||||
|
||||
lis, err := net.Listen("tcp", "127.0.0.1:0")
|
||||
require.NoError(t, err)
|
||||
|
||||
grpcServer := grpc.NewServer()
|
||||
server.Register(grpcServer)
|
||||
|
||||
go grpcServer.Serve(lis)
|
||||
t.Cleanup(grpcServer.Stop)
|
||||
|
||||
return lis.Addr()
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,36 @@
|
|||
// Code generated by mockery v1.0.0. DO NOT EDIT.
|
||||
|
||||
package serverdiscovery
|
||||
|
||||
import (
|
||||
acl "github.com/hashicorp/consul/acl"
|
||||
mock "github.com/stretchr/testify/mock"
|
||||
)
|
||||
|
||||
// MockACLResolver is an autogenerated mock type for the ACLResolver type
|
||||
type MockACLResolver struct {
|
||||
mock.Mock
|
||||
}
|
||||
|
||||
// ResolveTokenAndDefaultMeta provides a mock function with given fields: _a0, _a1, _a2
|
||||
func (_m *MockACLResolver) ResolveTokenAndDefaultMeta(_a0 string, _a1 *acl.EnterpriseMeta, _a2 *acl.AuthorizerContext) (acl.Authorizer, error) {
|
||||
ret := _m.Called(_a0, _a1, _a2)
|
||||
|
||||
var r0 acl.Authorizer
|
||||
if rf, ok := ret.Get(0).(func(string, *acl.EnterpriseMeta, *acl.AuthorizerContext) acl.Authorizer); ok {
|
||||
r0 = rf(_a0, _a1, _a2)
|
||||
} else {
|
||||
if ret.Get(0) != nil {
|
||||
r0 = ret.Get(0).(acl.Authorizer)
|
||||
}
|
||||
}
|
||||
|
||||
var r1 error
|
||||
if rf, ok := ret.Get(1).(func(string, *acl.EnterpriseMeta, *acl.AuthorizerContext) error); ok {
|
||||
r1 = rf(_a0, _a1, _a2)
|
||||
} else {
|
||||
r1 = ret.Error(1)
|
||||
}
|
||||
|
||||
return r0, r1
|
||||
}
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
package serverdiscovery
|
||||
|
||||
import (
|
||||
"google.golang.org/grpc"
|
||||
|
||||
"github.com/hashicorp/go-hclog"
|
||||
|
||||
"github.com/hashicorp/consul/acl"
|
||||
"github.com/hashicorp/consul/agent/consul/stream"
|
||||
"github.com/hashicorp/consul/proto-public/pbserverdiscovery"
|
||||
)
|
||||
|
||||
type Server struct {
|
||||
Config
|
||||
}
|
||||
|
||||
type Config struct {
|
||||
Publisher EventPublisher
|
||||
Logger hclog.Logger
|
||||
ACLResolver ACLResolver
|
||||
}
|
||||
|
||||
type EventPublisher interface {
|
||||
Subscribe(*stream.SubscribeRequest) (*stream.Subscription, error)
|
||||
}
|
||||
|
||||
//go:generate mockery -name ACLResolver -inpkg
|
||||
type ACLResolver interface {
|
||||
ResolveTokenAndDefaultMeta(string, *acl.EnterpriseMeta, *acl.AuthorizerContext) (acl.Authorizer, error)
|
||||
}
|
||||
|
||||
func NewServer(cfg Config) *Server {
|
||||
return &Server{cfg}
|
||||
}
|
||||
|
||||
func (s *Server) Register(grpcServer *grpc.Server) {
|
||||
pbserverdiscovery.RegisterServerDiscoveryServiceServer(grpcServer, s)
|
||||
}
|
||||
|
|
@ -0,0 +1,89 @@
|
|||
package serverdiscovery
|
||||
|
||||
import (
|
||||
"context"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
mock "github.com/stretchr/testify/mock"
|
||||
"github.com/stretchr/testify/require"
|
||||
"google.golang.org/grpc"
|
||||
|
||||
"github.com/hashicorp/consul/agent/consul/autopilotevents"
|
||||
"github.com/hashicorp/consul/agent/consul/state"
|
||||
"github.com/hashicorp/consul/agent/consul/stream"
|
||||
"github.com/hashicorp/consul/agent/grpc/public/testutils"
|
||||
"github.com/hashicorp/consul/proto-public/pbserverdiscovery"
|
||||
)
|
||||
|
||||
type mockSnapshotHandler struct {
|
||||
mock.Mock
|
||||
}
|
||||
|
||||
func newMockSnapshotHandler(t *testing.T) *mockSnapshotHandler {
|
||||
handler := &mockSnapshotHandler{}
|
||||
t.Cleanup(func() {
|
||||
handler.AssertExpectations(t)
|
||||
})
|
||||
return handler
|
||||
}
|
||||
|
||||
func (m *mockSnapshotHandler) handle(req stream.SubscribeRequest, buf stream.SnapshotAppender) (uint64, error) {
|
||||
ret := m.Called(req, buf)
|
||||
return ret.Get(0).(uint64), ret.Error(1)
|
||||
}
|
||||
|
||||
func (m *mockSnapshotHandler) expect(token string, requestIndex uint64, eventIndex uint64, payload autopilotevents.EventPayloadReadyServers) {
|
||||
m.On("handle", stream.SubscribeRequest{
|
||||
Topic: autopilotevents.EventTopicReadyServers,
|
||||
Subject: stream.SubjectNone,
|
||||
Token: token,
|
||||
Index: requestIndex,
|
||||
}, mock.Anything).Once().Run(func(args mock.Arguments) {
|
||||
buf := args.Get(1).(stream.SnapshotAppender)
|
||||
buf.Append([]stream.Event{
|
||||
{
|
||||
Topic: autopilotevents.EventTopicReadyServers,
|
||||
Index: eventIndex,
|
||||
Payload: payload,
|
||||
},
|
||||
})
|
||||
}).Return(eventIndex, nil)
|
||||
}
|
||||
|
||||
func newMockACLResolver(t *testing.T) *MockACLResolver {
|
||||
t.Helper()
|
||||
m := &MockACLResolver{}
|
||||
t.Cleanup(func() { m.AssertExpectations(t) })
|
||||
return m
|
||||
}
|
||||
|
||||
func setupPublisher(t *testing.T) (*mockSnapshotHandler, state.EventPublisher) {
|
||||
t.Helper()
|
||||
|
||||
handler := newMockSnapshotHandler(t)
|
||||
|
||||
publisher := stream.NewEventPublisher(10 * time.Second)
|
||||
publisher.RegisterHandler(autopilotevents.EventTopicReadyServers, handler.handle)
|
||||
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
t.Cleanup(cancel)
|
||||
go publisher.Run(ctx)
|
||||
|
||||
return handler, publisher
|
||||
|
||||
}
|
||||
|
||||
func testClient(t *testing.T, server *Server) pbserverdiscovery.ServerDiscoveryServiceClient {
|
||||
t.Helper()
|
||||
|
||||
addr := testutils.RunTestServer(t, server)
|
||||
|
||||
conn, err := grpc.DialContext(context.Background(), addr.String(), grpc.WithInsecure())
|
||||
require.NoError(t, err)
|
||||
t.Cleanup(func() {
|
||||
require.NoError(t, conn.Close())
|
||||
})
|
||||
|
||||
return pbserverdiscovery.NewServerDiscoveryServiceClient(conn)
|
||||
}
|
||||
|
|
@ -0,0 +1,146 @@
|
|||
package serverdiscovery
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
|
||||
"github.com/hashicorp/consul/acl"
|
||||
"github.com/hashicorp/consul/agent/consul/autopilotevents"
|
||||
"github.com/hashicorp/consul/agent/consul/stream"
|
||||
"github.com/hashicorp/consul/agent/grpc/public"
|
||||
"github.com/hashicorp/consul/agent/structs"
|
||||
"github.com/hashicorp/consul/proto-public/pbserverdiscovery"
|
||||
"github.com/hashicorp/go-hclog"
|
||||
"google.golang.org/grpc/codes"
|
||||
"google.golang.org/grpc/status"
|
||||
)
|
||||
|
||||
// WatchServers provides a stream on which you can receive the list of servers
|
||||
// that are ready to receive incoming requests including stale queries. The
|
||||
// current set of ready servers are sent immediately at the start of the
|
||||
// stream and new updates will be sent whenver the set of ready servers changes.
|
||||
func (s *Server) WatchServers(req *pbserverdiscovery.WatchServersRequest, serverStream pbserverdiscovery.ServerDiscoveryService_WatchServersServer) error {
|
||||
logger := s.Logger.Named("watch-servers").With("request_id", public.TraceID())
|
||||
|
||||
logger.Debug("starting stream")
|
||||
defer logger.Trace("stream closed")
|
||||
|
||||
token := public.TokenFromContext(serverStream.Context())
|
||||
|
||||
// Serve the ready servers from an EventPublisher subscription. If the subscription is
|
||||
// closed due to an ACL change, we'll attempt to re-authorize and resume it to
|
||||
// prevent unnecessarily terminating the stream.
|
||||
var idx uint64
|
||||
for {
|
||||
var err error
|
||||
idx, err = s.serveReadyServers(token, idx, req, serverStream, logger)
|
||||
if errors.Is(err, stream.ErrSubForceClosed) {
|
||||
logger.Trace("subscription force-closed due to an ACL change or snapshot restore, will attempt to re-auth and resume")
|
||||
} else {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (s *Server) serveReadyServers(token string, index uint64, req *pbserverdiscovery.WatchServersRequest, serverStream pbserverdiscovery.ServerDiscoveryService_WatchServersServer, logger hclog.Logger) (uint64, error) {
|
||||
if err := s.authorize(token); err != nil {
|
||||
return 0, err
|
||||
}
|
||||
|
||||
// Start the subscription.
|
||||
sub, err := s.Publisher.Subscribe(&stream.SubscribeRequest{
|
||||
Topic: autopilotevents.EventTopicReadyServers,
|
||||
Subject: stream.SubjectNone,
|
||||
Token: token,
|
||||
Index: index,
|
||||
})
|
||||
if err != nil {
|
||||
logger.Error("failed to subscribe to server discovery events", "error", err)
|
||||
return 0, status.Error(codes.Internal, "failed to subscribe to server discovery events")
|
||||
}
|
||||
defer sub.Unsubscribe()
|
||||
|
||||
for {
|
||||
event, err := sub.Next(serverStream.Context())
|
||||
switch {
|
||||
case errors.Is(err, stream.ErrSubForceClosed):
|
||||
return index, err
|
||||
case errors.Is(err, context.Canceled):
|
||||
return 0, nil
|
||||
case err != nil:
|
||||
logger.Error("failed to read next event", "error", err)
|
||||
return index, status.Error(codes.Internal, err.Error())
|
||||
}
|
||||
|
||||
// We do not send framing events (e.g. EndOfSnapshot, NewSnapshotToFollow)
|
||||
// because we send a full list of ready servers on every event, rather than expecting
|
||||
// clients to maintain a state-machine in the way they do for service health.
|
||||
if event.IsFramingEvent() {
|
||||
continue
|
||||
}
|
||||
|
||||
// Note: this check isn't strictly necessary because the event publishing
|
||||
// machinery will ensure the index increases monotonically, but it can be
|
||||
// tricky to faithfully reproduce this in tests (e.g. the EventPublisher
|
||||
// garbage collects topic buffers and snapshots aggressively when streams
|
||||
// disconnect) so this avoids a bunch of confusing setup code.
|
||||
if event.Index <= index {
|
||||
continue
|
||||
}
|
||||
|
||||
index = event.Index
|
||||
|
||||
rsp, err := eventToResponse(req, event)
|
||||
if err != nil {
|
||||
logger.Error("failed to convert event to response", "error", err)
|
||||
return index, status.Error(codes.Internal, err.Error())
|
||||
}
|
||||
if err := serverStream.Send(rsp); err != nil {
|
||||
logger.Error("failed to send response", "error", err)
|
||||
return index, err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (s *Server) authorize(token string) error {
|
||||
// Require the given ACL token to have `service:write` on any service (in any
|
||||
// partition and namespace).
|
||||
var authzContext acl.AuthorizerContext
|
||||
entMeta := structs.WildcardEnterpriseMetaInPartition(structs.WildcardSpecifier)
|
||||
authz, err := s.ACLResolver.ResolveTokenAndDefaultMeta(token, entMeta, &authzContext)
|
||||
if err != nil {
|
||||
return status.Error(codes.Unauthenticated, err.Error())
|
||||
}
|
||||
if err := authz.ToAllowAuthorizer().ServiceWriteAnyAllowed(&authzContext); err != nil {
|
||||
return status.Error(codes.PermissionDenied, err.Error())
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func eventToResponse(req *pbserverdiscovery.WatchServersRequest, event stream.Event) (*pbserverdiscovery.WatchServersResponse, error) {
|
||||
readyServers, err := autopilotevents.ExtractEventPayload(event)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
var servers []*pbserverdiscovery.Server
|
||||
|
||||
for _, srv := range readyServers {
|
||||
addr := srv.Address
|
||||
|
||||
wanAddr, ok := srv.TaggedAddresses[structs.TaggedAddressWAN]
|
||||
if req.Wan && ok {
|
||||
addr = wanAddr
|
||||
}
|
||||
|
||||
servers = append(servers, &pbserverdiscovery.Server{
|
||||
Id: srv.ID,
|
||||
Version: srv.Version,
|
||||
Address: addr,
|
||||
})
|
||||
}
|
||||
|
||||
return &pbserverdiscovery.WatchServersResponse{
|
||||
Servers: servers,
|
||||
}, nil
|
||||
}
|
||||
|
|
@ -0,0 +1,302 @@
|
|||
package serverdiscovery
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"io"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
acl "github.com/hashicorp/consul/acl"
|
||||
"github.com/hashicorp/consul/agent/consul/autopilotevents"
|
||||
"github.com/hashicorp/consul/agent/consul/stream"
|
||||
"github.com/hashicorp/consul/agent/grpc/public"
|
||||
"github.com/hashicorp/consul/agent/grpc/public/testutils"
|
||||
"github.com/hashicorp/consul/proto-public/pbserverdiscovery"
|
||||
"github.com/hashicorp/consul/proto/prototest"
|
||||
"github.com/hashicorp/consul/sdk/testutil"
|
||||
mock "github.com/stretchr/testify/mock"
|
||||
"github.com/stretchr/testify/require"
|
||||
"google.golang.org/grpc/codes"
|
||||
"google.golang.org/grpc/status"
|
||||
)
|
||||
|
||||
const testACLToken = "eb61f1ed-65a4-4da6-8d3d-0564bd16c965"
|
||||
|
||||
func TestWatchServers_StreamLifeCycle(t *testing.T) {
|
||||
// The flow for this test is roughly:
|
||||
//
|
||||
// 1. Open a WatchServers stream
|
||||
// 2. Observe the snapshot message is sent back through
|
||||
// the stream.
|
||||
// 3. Publish an event that changes to 2 servers.
|
||||
// 4. See the corresponding message sent back through the stream.
|
||||
// 5. Send a NewCloseSubscriptionEvent for the token secret.
|
||||
// 6. See that a new snapshot is taken and the corresponding message
|
||||
// gets sent back. If there were multiple subscribers for the topic
|
||||
// then this should not happen. However with the current EventPublisher
|
||||
// implementation, whenever the last subscriber for a topic has its
|
||||
// subscription closed then the publisher will delete the whole topic
|
||||
// buffer. When that happens, resubscribing will see no snapshot
|
||||
// cache, or latest event in the buffer and force creating a new snapshot.
|
||||
// 7. Publish another event to move to 3 servers.
|
||||
// 8. Ensure that the message gets sent through the stream. Also
|
||||
// this will validate that no other 1 or 2 server event is
|
||||
// seen after stream reinitialization.
|
||||
|
||||
srv1 := autopilotevents.ReadyServerInfo{
|
||||
ID: "9aeb73f6-e83e-43c1-bdc9-ca5e43efe3e4",
|
||||
Address: "198.18.0.1",
|
||||
Version: "1.12.0",
|
||||
}
|
||||
srv2 := autopilotevents.ReadyServerInfo{
|
||||
ID: "eec8721f-c42b-48da-a5a5-07565158015e",
|
||||
Address: "198.18.0.2",
|
||||
Version: "1.12.3",
|
||||
}
|
||||
srv3 := autopilotevents.ReadyServerInfo{
|
||||
ID: "256796f2-3a38-4f80-8cef-375c3cb3aa1f",
|
||||
Address: "198.18.0.3",
|
||||
Version: "1.12.3",
|
||||
}
|
||||
|
||||
oneServerEventPayload := autopilotevents.EventPayloadReadyServers{srv1}
|
||||
twoServerEventPayload := autopilotevents.EventPayloadReadyServers{srv1, srv2}
|
||||
threeServerEventPayload := autopilotevents.EventPayloadReadyServers{srv1, srv2, srv3}
|
||||
|
||||
oneServerResponse := &pbserverdiscovery.WatchServersResponse{
|
||||
Servers: []*pbserverdiscovery.Server{
|
||||
{
|
||||
Id: srv1.ID,
|
||||
Address: srv1.Address,
|
||||
Version: srv1.Version,
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
twoServerResponse := &pbserverdiscovery.WatchServersResponse{
|
||||
Servers: []*pbserverdiscovery.Server{
|
||||
{
|
||||
Id: srv1.ID,
|
||||
Address: srv1.Address,
|
||||
Version: srv1.Version,
|
||||
},
|
||||
{
|
||||
Id: srv2.ID,
|
||||
Address: srv2.Address,
|
||||
Version: srv2.Version,
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
threeServerResponse := &pbserverdiscovery.WatchServersResponse{
|
||||
Servers: []*pbserverdiscovery.Server{
|
||||
{
|
||||
Id: srv1.ID,
|
||||
Address: srv1.Address,
|
||||
Version: srv1.Version,
|
||||
},
|
||||
{
|
||||
Id: srv2.ID,
|
||||
Address: srv2.Address,
|
||||
Version: srv2.Version,
|
||||
},
|
||||
{
|
||||
Id: srv3.ID,
|
||||
Address: srv3.Address,
|
||||
Version: srv3.Version,
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
// setup the event publisher and snapshot handler
|
||||
handler, publisher := setupPublisher(t)
|
||||
// we only expect this to be called once. For the rest of the
|
||||
// test we ought to be able to resume the stream.
|
||||
handler.expect(testACLToken, 0, 1, oneServerEventPayload)
|
||||
handler.expect(testACLToken, 2, 3, twoServerEventPayload)
|
||||
|
||||
// setup the mock ACLResolver and its expectations
|
||||
// 2 times authorization should succeed and the third should fail.
|
||||
resolver := newMockACLResolver(t)
|
||||
resolver.On("ResolveTokenAndDefaultMeta", testACLToken, mock.Anything, mock.Anything).
|
||||
Return(testutils.TestAuthorizerServiceWriteAny(t), nil).Twice()
|
||||
|
||||
// add the token to the requests context
|
||||
ctx := public.ContextWithToken(context.Background(), testACLToken)
|
||||
|
||||
// setup the server
|
||||
server := NewServer(Config{
|
||||
Publisher: publisher,
|
||||
Logger: testutil.Logger(t),
|
||||
ACLResolver: resolver,
|
||||
})
|
||||
|
||||
// Run the server and get a test client for it
|
||||
client := testClient(t, server)
|
||||
|
||||
// 1. Open the WatchServers stream
|
||||
serverStream, err := client.WatchServers(ctx, &pbserverdiscovery.WatchServersRequest{Wan: false})
|
||||
require.NoError(t, err)
|
||||
|
||||
rspCh := handleReadyServersStream(t, serverStream)
|
||||
|
||||
// 2. Observe the snapshot message is sent back through the stream.
|
||||
rsp := mustGetServers(t, rspCh)
|
||||
require.NotNil(t, rsp)
|
||||
prototest.AssertDeepEqual(t, oneServerResponse, rsp)
|
||||
|
||||
// 3. Publish an event that changes to 2 servers.
|
||||
publisher.Publish([]stream.Event{
|
||||
{
|
||||
Topic: autopilotevents.EventTopicReadyServers,
|
||||
Index: 2,
|
||||
Payload: twoServerEventPayload,
|
||||
},
|
||||
})
|
||||
|
||||
// 4. See the corresponding message sent back through the stream.
|
||||
rsp = mustGetServers(t, rspCh)
|
||||
require.NotNil(t, rsp)
|
||||
prototest.AssertDeepEqual(t, twoServerResponse, rsp)
|
||||
|
||||
// 5. Send a NewCloseSubscriptionEvent for the token secret.
|
||||
publisher.Publish([]stream.Event{
|
||||
stream.NewCloseSubscriptionEvent([]string{testACLToken}),
|
||||
})
|
||||
|
||||
// 6. Observe another snapshot message
|
||||
rsp = mustGetServers(t, rspCh)
|
||||
require.NotNil(t, rsp)
|
||||
prototest.AssertDeepEqual(t, twoServerResponse, rsp)
|
||||
|
||||
// 7. Publish another event to move to 3 servers.
|
||||
publisher.Publish([]stream.Event{
|
||||
{
|
||||
Topic: autopilotevents.EventTopicReadyServers,
|
||||
Index: 4,
|
||||
Payload: threeServerEventPayload,
|
||||
},
|
||||
})
|
||||
|
||||
// 8. Ensure that the message gets sent through the stream. Also
|
||||
// this will validate that no other 1 or 2 server event is
|
||||
// seen after stream reinitialization.
|
||||
rsp = mustGetServers(t, rspCh)
|
||||
require.NotNil(t, rsp)
|
||||
prototest.AssertDeepEqual(t, threeServerResponse, rsp)
|
||||
}
|
||||
|
||||
func TestWatchServers_ACLToken_PermissionDenied(t *testing.T) {
|
||||
// setup the event publisher and snapshot handler
|
||||
_, publisher := setupPublisher(t)
|
||||
|
||||
resolver := newMockACLResolver(t)
|
||||
resolver.On("ResolveTokenAndDefaultMeta", testACLToken, mock.Anything, mock.Anything).
|
||||
Return(acl.DenyAll(), nil).Once()
|
||||
|
||||
// add the token to the requests context
|
||||
ctx := public.ContextWithToken(context.Background(), testACLToken)
|
||||
|
||||
// setup the server
|
||||
server := NewServer(Config{
|
||||
Publisher: publisher,
|
||||
Logger: testutil.Logger(t),
|
||||
ACLResolver: resolver,
|
||||
})
|
||||
|
||||
// Run the server and get a test client for it
|
||||
client := testClient(t, server)
|
||||
|
||||
// 1. Open the WatchServers stream
|
||||
serverStream, err := client.WatchServers(ctx, &pbserverdiscovery.WatchServersRequest{Wan: false})
|
||||
require.NoError(t, err)
|
||||
rspCh := handleReadyServersStream(t, serverStream)
|
||||
|
||||
// Expect to get an Unauthenticated error immediately.
|
||||
err = mustGetError(t, rspCh)
|
||||
require.Equal(t, codes.PermissionDenied.String(), status.Code(err).String())
|
||||
}
|
||||
|
||||
func TestWatchServers_ACLToken_Unauthenticated(t *testing.T) {
|
||||
// setup the event publisher and snapshot handler
|
||||
_, publisher := setupPublisher(t)
|
||||
|
||||
resolver := newMockACLResolver(t)
|
||||
resolver.On("ResolveTokenAndDefaultMeta", testACLToken, mock.Anything, mock.Anything).
|
||||
Return(nil, acl.ErrNotFound).Once()
|
||||
|
||||
// add the token to the requests context
|
||||
ctx := public.ContextWithToken(context.Background(), testACLToken)
|
||||
|
||||
// setup the server
|
||||
server := NewServer(Config{
|
||||
Publisher: publisher,
|
||||
Logger: testutil.Logger(t),
|
||||
ACLResolver: resolver,
|
||||
})
|
||||
|
||||
// Run the server and get a test client for it
|
||||
client := testClient(t, server)
|
||||
|
||||
// 1. Open the WatchServers stream
|
||||
serverStream, err := client.WatchServers(ctx, &pbserverdiscovery.WatchServersRequest{Wan: false})
|
||||
require.NoError(t, err)
|
||||
rspCh := handleReadyServersStream(t, serverStream)
|
||||
|
||||
// Expect to get an Unauthenticated error immediately.
|
||||
err = mustGetError(t, rspCh)
|
||||
require.Equal(t, codes.Unauthenticated.String(), status.Code(err).String())
|
||||
}
|
||||
|
||||
func handleReadyServersStream(t *testing.T, stream pbserverdiscovery.ServerDiscoveryService_WatchServersClient) <-chan serversOrError {
|
||||
t.Helper()
|
||||
|
||||
rspCh := make(chan serversOrError)
|
||||
go func() {
|
||||
for {
|
||||
rsp, err := stream.Recv()
|
||||
if errors.Is(err, io.EOF) ||
|
||||
errors.Is(err, context.Canceled) ||
|
||||
errors.Is(err, context.DeadlineExceeded) {
|
||||
return
|
||||
}
|
||||
rspCh <- serversOrError{
|
||||
rsp: rsp,
|
||||
err: err,
|
||||
}
|
||||
}
|
||||
}()
|
||||
return rspCh
|
||||
}
|
||||
|
||||
func mustGetServers(t *testing.T, ch <-chan serversOrError) *pbserverdiscovery.WatchServersResponse {
|
||||
t.Helper()
|
||||
|
||||
select {
|
||||
case rsp := <-ch:
|
||||
require.NoError(t, rsp.err)
|
||||
return rsp.rsp
|
||||
case <-time.After(1 * time.Second):
|
||||
t.Fatal("timeout waiting for WatchServersResponse")
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
func mustGetError(t *testing.T, ch <-chan serversOrError) error {
|
||||
t.Helper()
|
||||
|
||||
select {
|
||||
case rsp := <-ch:
|
||||
require.Error(t, rsp.err)
|
||||
return rsp.err
|
||||
case <-time.After(1 * time.Second):
|
||||
t.Fatal("timeout waiting for WatchServersResponse")
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
type serversOrError struct {
|
||||
rsp *pbserverdiscovery.WatchServersResponse
|
||||
err error
|
||||
}
|
||||
|
|
@ -0,0 +1,81 @@
|
|||
package testutils
|
||||
|
||||
import (
|
||||
"context"
|
||||
"sync"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/hashicorp/consul/agent/consul/state"
|
||||
"github.com/hashicorp/consul/agent/consul/stream"
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
|
||||
func TestStateStore(t *testing.T, publisher state.EventPublisher) *state.Store {
|
||||
t.Helper()
|
||||
|
||||
gc, err := state.NewTombstoneGC(time.Second, time.Millisecond)
|
||||
require.NoError(t, err)
|
||||
|
||||
if publisher == nil {
|
||||
publisher = stream.NoOpEventPublisher{}
|
||||
}
|
||||
|
||||
return state.NewStateStoreWithEventPublisher(gc, publisher)
|
||||
}
|
||||
|
||||
type Registrar func(*FakeFSM, *stream.EventPublisher)
|
||||
|
||||
type FakeFSMConfig struct {
|
||||
Register Registrar
|
||||
Refresh []stream.Topic
|
||||
publisher *stream.EventPublisher
|
||||
}
|
||||
|
||||
type FakeFSM struct {
|
||||
config FakeFSMConfig
|
||||
lock sync.Mutex
|
||||
store *state.Store
|
||||
}
|
||||
|
||||
func newFakeFSM(t *testing.T, config FakeFSMConfig) *FakeFSM {
|
||||
t.Helper()
|
||||
|
||||
store := TestStateStore(t, config.publisher)
|
||||
|
||||
fsm := &FakeFSM{store: store, config: config}
|
||||
|
||||
config.Register(fsm, fsm.config.publisher)
|
||||
|
||||
return fsm
|
||||
}
|
||||
|
||||
func (f *FakeFSM) GetStore() *state.Store {
|
||||
f.lock.Lock()
|
||||
defer f.lock.Unlock()
|
||||
return f.store
|
||||
}
|
||||
|
||||
func (f *FakeFSM) ReplaceStore(store *state.Store) {
|
||||
f.lock.Lock()
|
||||
defer f.lock.Unlock()
|
||||
oldStore := f.store
|
||||
f.store = store
|
||||
oldStore.Abandon()
|
||||
for _, topic := range f.config.Refresh {
|
||||
f.config.publisher.RefreshTopic(topic)
|
||||
}
|
||||
}
|
||||
|
||||
func SetupFSMAndPublisher(t *testing.T, config FakeFSMConfig) (*FakeFSM, state.EventPublisher) {
|
||||
t.Helper()
|
||||
config.publisher = stream.NewEventPublisher(10 * time.Second)
|
||||
|
||||
fsm := newFakeFSM(t, config)
|
||||
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
t.Cleanup(cancel)
|
||||
go config.publisher.Run(ctx)
|
||||
|
||||
return fsm, config.publisher
|
||||
}
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
package testutils
|
||||
|
||||
import (
|
||||
"net"
|
||||
"testing"
|
||||
|
||||
"github.com/stretchr/testify/require"
|
||||
"google.golang.org/grpc"
|
||||
)
|
||||
|
||||
type GRPCService interface {
|
||||
Register(*grpc.Server)
|
||||
}
|
||||
|
||||
func RunTestServer(t *testing.T, services ...GRPCService) net.Addr {
|
||||
t.Helper()
|
||||
|
||||
lis, err := net.Listen("tcp", "127.0.0.1:0")
|
||||
require.NoError(t, err)
|
||||
|
||||
grpcServer := grpc.NewServer()
|
||||
for _, svc := range services {
|
||||
svc.Register(grpcServer)
|
||||
}
|
||||
|
||||
go grpcServer.Serve(lis)
|
||||
t.Cleanup(grpcServer.Stop)
|
||||
|
||||
return lis.Addr()
|
||||
}
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
// Code generated by protoc-gen-go-binary. DO NOT EDIT.
|
||||
// source: proto-public/pbserverdiscovery/serverdiscovery.proto
|
||||
|
||||
package pbserverdiscovery
|
||||
|
||||
import (
|
||||
"github.com/golang/protobuf/proto"
|
||||
)
|
||||
|
||||
// MarshalBinary implements encoding.BinaryMarshaler
|
||||
func (msg *WatchServersRequest) MarshalBinary() ([]byte, error) {
|
||||
return proto.Marshal(msg)
|
||||
}
|
||||
|
||||
// UnmarshalBinary implements encoding.BinaryUnmarshaler
|
||||
func (msg *WatchServersRequest) UnmarshalBinary(b []byte) error {
|
||||
return proto.Unmarshal(b, msg)
|
||||
}
|
||||
|
||||
// MarshalBinary implements encoding.BinaryMarshaler
|
||||
func (msg *WatchServersResponse) MarshalBinary() ([]byte, error) {
|
||||
return proto.Marshal(msg)
|
||||
}
|
||||
|
||||
// UnmarshalBinary implements encoding.BinaryUnmarshaler
|
||||
func (msg *WatchServersResponse) UnmarshalBinary(b []byte) error {
|
||||
return proto.Unmarshal(b, msg)
|
||||
}
|
||||
|
||||
// MarshalBinary implements encoding.BinaryMarshaler
|
||||
func (msg *Server) MarshalBinary() ([]byte, error) {
|
||||
return proto.Marshal(msg)
|
||||
}
|
||||
|
||||
// UnmarshalBinary implements encoding.BinaryUnmarshaler
|
||||
func (msg *Server) UnmarshalBinary(b []byte) error {
|
||||
return proto.Unmarshal(b, msg)
|
||||
}
|
||||
|
|
@ -0,0 +1,437 @@
|
|||
// Package serverdiscovery provides a service on Consul servers to discover the set of servers
|
||||
// currently able to handle incoming requests.
|
||||
|
||||
// Code generated by protoc-gen-go. DO NOT EDIT.
|
||||
// versions:
|
||||
// protoc-gen-go v1.23.0
|
||||
// protoc v3.15.8
|
||||
// source: proto-public/pbserverdiscovery/serverdiscovery.proto
|
||||
|
||||
package pbserverdiscovery
|
||||
|
||||
import (
|
||||
context "context"
|
||||
proto "github.com/golang/protobuf/proto"
|
||||
grpc "google.golang.org/grpc"
|
||||
codes "google.golang.org/grpc/codes"
|
||||
status "google.golang.org/grpc/status"
|
||||
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
|
||||
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
|
||||
reflect "reflect"
|
||||
sync "sync"
|
||||
)
|
||||
|
||||
const (
|
||||
// Verify that this generated code is sufficiently up-to-date.
|
||||
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
|
||||
// Verify that runtime/protoimpl is sufficiently up-to-date.
|
||||
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
|
||||
)
|
||||
|
||||
// This is a compile-time assertion that a sufficiently up-to-date version
|
||||
// of the legacy proto package is being used.
|
||||
const _ = proto.ProtoPackageIsVersion4
|
||||
|
||||
type WatchServersRequest struct {
|
||||
state protoimpl.MessageState
|
||||
sizeCache protoimpl.SizeCache
|
||||
unknownFields protoimpl.UnknownFields
|
||||
|
||||
// Wan being set to true will cause WAN addresses to be sent in the response
|
||||
// instead of the LAN addresses which are the default
|
||||
Wan bool `protobuf:"varint,1,opt,name=wan,proto3" json:"wan,omitempty"`
|
||||
}
|
||||
|
||||
func (x *WatchServersRequest) Reset() {
|
||||
*x = WatchServersRequest{}
|
||||
if protoimpl.UnsafeEnabled {
|
||||
mi := &file_proto_public_pbserverdiscovery_serverdiscovery_proto_msgTypes[0]
|
||||
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
|
||||
ms.StoreMessageInfo(mi)
|
||||
}
|
||||
}
|
||||
|
||||
func (x *WatchServersRequest) String() string {
|
||||
return protoimpl.X.MessageStringOf(x)
|
||||
}
|
||||
|
||||
func (*WatchServersRequest) ProtoMessage() {}
|
||||
|
||||
func (x *WatchServersRequest) ProtoReflect() protoreflect.Message {
|
||||
mi := &file_proto_public_pbserverdiscovery_serverdiscovery_proto_msgTypes[0]
|
||||
if protoimpl.UnsafeEnabled && x != nil {
|
||||
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
|
||||
if ms.LoadMessageInfo() == nil {
|
||||
ms.StoreMessageInfo(mi)
|
||||
}
|
||||
return ms
|
||||
}
|
||||
return mi.MessageOf(x)
|
||||
}
|
||||
|
||||
// Deprecated: Use WatchServersRequest.ProtoReflect.Descriptor instead.
|
||||
func (*WatchServersRequest) Descriptor() ([]byte, []int) {
|
||||
return file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDescGZIP(), []int{0}
|
||||
}
|
||||
|
||||
func (x *WatchServersRequest) GetWan() bool {
|
||||
if x != nil {
|
||||
return x.Wan
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
type WatchServersResponse struct {
|
||||
state protoimpl.MessageState
|
||||
sizeCache protoimpl.SizeCache
|
||||
unknownFields protoimpl.UnknownFields
|
||||
|
||||
// Servers is the list of server address information.
|
||||
Servers []*Server `protobuf:"bytes,1,rep,name=servers,proto3" json:"servers,omitempty"`
|
||||
}
|
||||
|
||||
func (x *WatchServersResponse) Reset() {
|
||||
*x = WatchServersResponse{}
|
||||
if protoimpl.UnsafeEnabled {
|
||||
mi := &file_proto_public_pbserverdiscovery_serverdiscovery_proto_msgTypes[1]
|
||||
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
|
||||
ms.StoreMessageInfo(mi)
|
||||
}
|
||||
}
|
||||
|
||||
func (x *WatchServersResponse) String() string {
|
||||
return protoimpl.X.MessageStringOf(x)
|
||||
}
|
||||
|
||||
func (*WatchServersResponse) ProtoMessage() {}
|
||||
|
||||
func (x *WatchServersResponse) ProtoReflect() protoreflect.Message {
|
||||
mi := &file_proto_public_pbserverdiscovery_serverdiscovery_proto_msgTypes[1]
|
||||
if protoimpl.UnsafeEnabled && x != nil {
|
||||
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
|
||||
if ms.LoadMessageInfo() == nil {
|
||||
ms.StoreMessageInfo(mi)
|
||||
}
|
||||
return ms
|
||||
}
|
||||
return mi.MessageOf(x)
|
||||
}
|
||||
|
||||
// Deprecated: Use WatchServersResponse.ProtoReflect.Descriptor instead.
|
||||
func (*WatchServersResponse) Descriptor() ([]byte, []int) {
|
||||
return file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDescGZIP(), []int{1}
|
||||
}
|
||||
|
||||
func (x *WatchServersResponse) GetServers() []*Server {
|
||||
if x != nil {
|
||||
return x.Servers
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
type Server struct {
|
||||
state protoimpl.MessageState
|
||||
sizeCache protoimpl.SizeCache
|
||||
unknownFields protoimpl.UnknownFields
|
||||
|
||||
// id is the unique string identifying this server for all time.
|
||||
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
|
||||
// address on the network of the server
|
||||
Address string `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
|
||||
// the consul version of the server
|
||||
Version string `protobuf:"bytes,3,opt,name=version,proto3" json:"version,omitempty"`
|
||||
}
|
||||
|
||||
func (x *Server) Reset() {
|
||||
*x = Server{}
|
||||
if protoimpl.UnsafeEnabled {
|
||||
mi := &file_proto_public_pbserverdiscovery_serverdiscovery_proto_msgTypes[2]
|
||||
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
|
||||
ms.StoreMessageInfo(mi)
|
||||
}
|
||||
}
|
||||
|
||||
func (x *Server) String() string {
|
||||
return protoimpl.X.MessageStringOf(x)
|
||||
}
|
||||
|
||||
func (*Server) ProtoMessage() {}
|
||||
|
||||
func (x *Server) ProtoReflect() protoreflect.Message {
|
||||
mi := &file_proto_public_pbserverdiscovery_serverdiscovery_proto_msgTypes[2]
|
||||
if protoimpl.UnsafeEnabled && x != nil {
|
||||
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
|
||||
if ms.LoadMessageInfo() == nil {
|
||||
ms.StoreMessageInfo(mi)
|
||||
}
|
||||
return ms
|
||||
}
|
||||
return mi.MessageOf(x)
|
||||
}
|
||||
|
||||
// Deprecated: Use Server.ProtoReflect.Descriptor instead.
|
||||
func (*Server) Descriptor() ([]byte, []int) {
|
||||
return file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDescGZIP(), []int{2}
|
||||
}
|
||||
|
||||
func (x *Server) GetId() string {
|
||||
if x != nil {
|
||||
return x.Id
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
func (x *Server) GetAddress() string {
|
||||
if x != nil {
|
||||
return x.Address
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
func (x *Server) GetVersion() string {
|
||||
if x != nil {
|
||||
return x.Version
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
var File_proto_public_pbserverdiscovery_serverdiscovery_proto protoreflect.FileDescriptor
|
||||
|
||||
var file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDesc = []byte{
|
||||
0x0a, 0x34, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2d, 0x70, 0x75, 0x62, 0x6c, 0x69, 0x63, 0x2f, 0x70,
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
0x65, 0x72, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x17, 0x2e, 0x73, 0x65, 0x72, 0x76,
|
||||
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|
||||
0x65, 0x72, 0x52, 0x07, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x73, 0x22, 0x4c, 0x0a, 0x06, 0x53,
|
||||
0x65, 0x72, 0x76, 0x65, 0x72, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28,
|
||||
0x09, 0x52, 0x02, 0x69, 0x64, 0x12, 0x18, 0x0a, 0x07, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73,
|
||||
0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x12,
|
||||
0x18, 0x0a, 0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09,
|
||||
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|
||||
0x76, 0x65, 0x72, 0x44, 0x69, 0x73, 0x63, 0x6f, 0x76, 0x65, 0x72, 0x79, 0x53, 0x65, 0x72, 0x76,
|
||||
0x69, 0x63, 0x65, 0x12, 0x5f, 0x0a, 0x0c, 0x57, 0x61, 0x74, 0x63, 0x68, 0x53, 0x65, 0x72, 0x76,
|
||||
0x65, 0x72, 0x73, 0x12, 0x24, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x64, 0x69, 0x73, 0x63,
|
||||
0x6f, 0x76, 0x65, 0x72, 0x79, 0x2e, 0x57, 0x61, 0x74, 0x63, 0x68, 0x53, 0x65, 0x72, 0x76, 0x65,
|
||||
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|
||||
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|
||||
0x68, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65,
|
||||
0x22, 0x00, 0x30, 0x01, 0x42, 0x3c, 0x5a, 0x3a, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63,
|
||||
0x6f, 0x6d, 0x2f, 0x68, 0x61, 0x73, 0x68, 0x69, 0x63, 0x6f, 0x72, 0x70, 0x2f, 0x63, 0x6f, 0x6e,
|
||||
0x73, 0x75, 0x6c, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2d, 0x70, 0x75, 0x62, 0x6c, 0x69, 0x63,
|
||||
0x2f, 0x70, 0x62, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x64, 0x69, 0x73, 0x63, 0x6f, 0x76, 0x65,
|
||||
0x72, 0x79, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
|
||||
}
|
||||
|
||||
var (
|
||||
file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDescOnce sync.Once
|
||||
file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDescData = file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDesc
|
||||
)
|
||||
|
||||
func file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDescGZIP() []byte {
|
||||
file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDescOnce.Do(func() {
|
||||
file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDescData = protoimpl.X.CompressGZIP(file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDescData)
|
||||
})
|
||||
return file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDescData
|
||||
}
|
||||
|
||||
var file_proto_public_pbserverdiscovery_serverdiscovery_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
|
||||
var file_proto_public_pbserverdiscovery_serverdiscovery_proto_goTypes = []interface{}{
|
||||
(*WatchServersRequest)(nil), // 0: serverdiscovery.WatchServersRequest
|
||||
(*WatchServersResponse)(nil), // 1: serverdiscovery.WatchServersResponse
|
||||
(*Server)(nil), // 2: serverdiscovery.Server
|
||||
}
|
||||
var file_proto_public_pbserverdiscovery_serverdiscovery_proto_depIdxs = []int32{
|
||||
2, // 0: serverdiscovery.WatchServersResponse.servers:type_name -> serverdiscovery.Server
|
||||
0, // 1: serverdiscovery.ServerDiscoveryService.WatchServers:input_type -> serverdiscovery.WatchServersRequest
|
||||
1, // 2: serverdiscovery.ServerDiscoveryService.WatchServers:output_type -> serverdiscovery.WatchServersResponse
|
||||
2, // [2:3] is the sub-list for method output_type
|
||||
1, // [1:2] is the sub-list for method input_type
|
||||
1, // [1:1] is the sub-list for extension type_name
|
||||
1, // [1:1] is the sub-list for extension extendee
|
||||
0, // [0:1] is the sub-list for field type_name
|
||||
}
|
||||
|
||||
func init() { file_proto_public_pbserverdiscovery_serverdiscovery_proto_init() }
|
||||
func file_proto_public_pbserverdiscovery_serverdiscovery_proto_init() {
|
||||
if File_proto_public_pbserverdiscovery_serverdiscovery_proto != nil {
|
||||
return
|
||||
}
|
||||
if !protoimpl.UnsafeEnabled {
|
||||
file_proto_public_pbserverdiscovery_serverdiscovery_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
|
||||
switch v := v.(*WatchServersRequest); i {
|
||||
case 0:
|
||||
return &v.state
|
||||
case 1:
|
||||
return &v.sizeCache
|
||||
case 2:
|
||||
return &v.unknownFields
|
||||
default:
|
||||
return nil
|
||||
}
|
||||
}
|
||||
file_proto_public_pbserverdiscovery_serverdiscovery_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
|
||||
switch v := v.(*WatchServersResponse); i {
|
||||
case 0:
|
||||
return &v.state
|
||||
case 1:
|
||||
return &v.sizeCache
|
||||
case 2:
|
||||
return &v.unknownFields
|
||||
default:
|
||||
return nil
|
||||
}
|
||||
}
|
||||
file_proto_public_pbserverdiscovery_serverdiscovery_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
|
||||
switch v := v.(*Server); i {
|
||||
case 0:
|
||||
return &v.state
|
||||
case 1:
|
||||
return &v.sizeCache
|
||||
case 2:
|
||||
return &v.unknownFields
|
||||
default:
|
||||
return nil
|
||||
}
|
||||
}
|
||||
}
|
||||
type x struct{}
|
||||
out := protoimpl.TypeBuilder{
|
||||
File: protoimpl.DescBuilder{
|
||||
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
|
||||
RawDescriptor: file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDesc,
|
||||
NumEnums: 0,
|
||||
NumMessages: 3,
|
||||
NumExtensions: 0,
|
||||
NumServices: 1,
|
||||
},
|
||||
GoTypes: file_proto_public_pbserverdiscovery_serverdiscovery_proto_goTypes,
|
||||
DependencyIndexes: file_proto_public_pbserverdiscovery_serverdiscovery_proto_depIdxs,
|
||||
MessageInfos: file_proto_public_pbserverdiscovery_serverdiscovery_proto_msgTypes,
|
||||
}.Build()
|
||||
File_proto_public_pbserverdiscovery_serverdiscovery_proto = out.File
|
||||
file_proto_public_pbserverdiscovery_serverdiscovery_proto_rawDesc = nil
|
||||
file_proto_public_pbserverdiscovery_serverdiscovery_proto_goTypes = nil
|
||||
file_proto_public_pbserverdiscovery_serverdiscovery_proto_depIdxs = nil
|
||||
}
|
||||
|
||||
// Reference imports to suppress errors if they are not otherwise used.
|
||||
var _ context.Context
|
||||
var _ grpc.ClientConnInterface
|
||||
|
||||
// This is a compile-time assertion to ensure that this generated file
|
||||
// is compatible with the grpc package it is being compiled against.
|
||||
const _ = grpc.SupportPackageIsVersion6
|
||||
|
||||
// ServerDiscoveryServiceClient is the client API for ServerDiscoveryService service.
|
||||
//
|
||||
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
|
||||
type ServerDiscoveryServiceClient interface {
|
||||
// WatchServers will stream back sets of ready servers as they change such as
|
||||
// when new servers are added or older ones removed. A ready server is one that
|
||||
// should be considered ready for sending general RPC requests towards that would
|
||||
// catalog queries, xDS proxy configurations and similar services.
|
||||
WatchServers(ctx context.Context, in *WatchServersRequest, opts ...grpc.CallOption) (ServerDiscoveryService_WatchServersClient, error)
|
||||
}
|
||||
|
||||
type serverDiscoveryServiceClient struct {
|
||||
cc grpc.ClientConnInterface
|
||||
}
|
||||
|
||||
func NewServerDiscoveryServiceClient(cc grpc.ClientConnInterface) ServerDiscoveryServiceClient {
|
||||
return &serverDiscoveryServiceClient{cc}
|
||||
}
|
||||
|
||||
func (c *serverDiscoveryServiceClient) WatchServers(ctx context.Context, in *WatchServersRequest, opts ...grpc.CallOption) (ServerDiscoveryService_WatchServersClient, error) {
|
||||
stream, err := c.cc.NewStream(ctx, &_ServerDiscoveryService_serviceDesc.Streams[0], "/serverdiscovery.ServerDiscoveryService/WatchServers", opts...)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
x := &serverDiscoveryServiceWatchServersClient{stream}
|
||||
if err := x.ClientStream.SendMsg(in); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if err := x.ClientStream.CloseSend(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return x, nil
|
||||
}
|
||||
|
||||
type ServerDiscoveryService_WatchServersClient interface {
|
||||
Recv() (*WatchServersResponse, error)
|
||||
grpc.ClientStream
|
||||
}
|
||||
|
||||
type serverDiscoveryServiceWatchServersClient struct {
|
||||
grpc.ClientStream
|
||||
}
|
||||
|
||||
func (x *serverDiscoveryServiceWatchServersClient) Recv() (*WatchServersResponse, error) {
|
||||
m := new(WatchServersResponse)
|
||||
if err := x.ClientStream.RecvMsg(m); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return m, nil
|
||||
}
|
||||
|
||||
// ServerDiscoveryServiceServer is the server API for ServerDiscoveryService service.
|
||||
type ServerDiscoveryServiceServer interface {
|
||||
// WatchServers will stream back sets of ready servers as they change such as
|
||||
// when new servers are added or older ones removed. A ready server is one that
|
||||
// should be considered ready for sending general RPC requests towards that would
|
||||
// catalog queries, xDS proxy configurations and similar services.
|
||||
WatchServers(*WatchServersRequest, ServerDiscoveryService_WatchServersServer) error
|
||||
}
|
||||
|
||||
// UnimplementedServerDiscoveryServiceServer can be embedded to have forward compatible implementations.
|
||||
type UnimplementedServerDiscoveryServiceServer struct {
|
||||
}
|
||||
|
||||
func (*UnimplementedServerDiscoveryServiceServer) WatchServers(*WatchServersRequest, ServerDiscoveryService_WatchServersServer) error {
|
||||
return status.Errorf(codes.Unimplemented, "method WatchServers not implemented")
|
||||
}
|
||||
|
||||
func RegisterServerDiscoveryServiceServer(s *grpc.Server, srv ServerDiscoveryServiceServer) {
|
||||
s.RegisterService(&_ServerDiscoveryService_serviceDesc, srv)
|
||||
}
|
||||
|
||||
func _ServerDiscoveryService_WatchServers_Handler(srv interface{}, stream grpc.ServerStream) error {
|
||||
m := new(WatchServersRequest)
|
||||
if err := stream.RecvMsg(m); err != nil {
|
||||
return err
|
||||
}
|
||||
return srv.(ServerDiscoveryServiceServer).WatchServers(m, &serverDiscoveryServiceWatchServersServer{stream})
|
||||
}
|
||||
|
||||
type ServerDiscoveryService_WatchServersServer interface {
|
||||
Send(*WatchServersResponse) error
|
||||
grpc.ServerStream
|
||||
}
|
||||
|
||||
type serverDiscoveryServiceWatchServersServer struct {
|
||||
grpc.ServerStream
|
||||
}
|
||||
|
||||
func (x *serverDiscoveryServiceWatchServersServer) Send(m *WatchServersResponse) error {
|
||||
return x.ServerStream.SendMsg(m)
|
||||
}
|
||||
|
||||
var _ServerDiscoveryService_serviceDesc = grpc.ServiceDesc{
|
||||
ServiceName: "serverdiscovery.ServerDiscoveryService",
|
||||
HandlerType: (*ServerDiscoveryServiceServer)(nil),
|
||||
Methods: []grpc.MethodDesc{},
|
||||
Streams: []grpc.StreamDesc{
|
||||
{
|
||||
StreamName: "WatchServers",
|
||||
Handler: _ServerDiscoveryService_WatchServers_Handler,
|
||||
ServerStreams: true,
|
||||
},
|
||||
},
|
||||
Metadata: "proto-public/pbserverdiscovery/serverdiscovery.proto",
|
||||
}
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
// Package serverdiscovery provides a service on Consul servers to discover the set of servers
|
||||
// currently able to handle incoming requests.
|
||||
|
||||
syntax = "proto3";
|
||||
|
||||
package serverdiscovery;
|
||||
|
||||
option go_package = "github.com/hashicorp/consul/proto-public/pbserverdiscovery";
|
||||
|
||||
service ServerDiscoveryService {
|
||||
// WatchServers will stream back sets of ready servers as they change such as
|
||||
// when new servers are added or older ones removed. A ready server is one that
|
||||
// should be considered ready for sending general RPC requests towards that would
|
||||
// catalog queries, xDS proxy configurations and similar services.
|
||||
rpc WatchServers(WatchServersRequest) returns (stream WatchServersResponse) {};
|
||||
}
|
||||
|
||||
message WatchServersRequest {
|
||||
// Wan being set to true will cause WAN addresses to be sent in the response
|
||||
// instead of the LAN addresses which are the default
|
||||
bool wan = 1;
|
||||
}
|
||||
|
||||
message WatchServersResponse{
|
||||
// Servers is the list of server address information.
|
||||
repeated Server servers = 1;
|
||||
}
|
||||
|
||||
message Server {
|
||||
// id is the unique string identifying this server for all time.
|
||||
string id = 1;
|
||||
// address on the network of the server
|
||||
string address = 2;
|
||||
// the consul version of the server
|
||||
string version = 3;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue