243 lines
7.1 KiB
Go
243 lines
7.1 KiB
Go
package consul
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import (
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"context"
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"fmt"
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"net"
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"testing"
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"time"
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gogrpc "google.golang.org/grpc"
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"github.com/hashicorp/consul/agent/connect"
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"github.com/hashicorp/consul/agent/pool"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/proto/pbpeering"
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"github.com/hashicorp/consul/proto/pbpeerstream"
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"github.com/hashicorp/consul/sdk/freeport"
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"github.com/hashicorp/consul/sdk/testutil"
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"github.com/hashicorp/consul/testrpc"
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"github.com/hashicorp/consul/types"
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"github.com/stretchr/testify/require"
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)
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func TestPeeringBackend_ForwardToLeader(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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ca := connect.TestCA(t, nil)
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_, server1 := testServerWithConfig(t, func(c *Config) {
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c.GRPCTLSPort = freeport.GetOne(t)
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c.CAConfig = &structs.CAConfiguration{
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ClusterID: connect.TestClusterID,
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Provider: structs.ConsulCAProvider,
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Config: map[string]interface{}{
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"PrivateKey": ca.SigningKey,
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"RootCert": ca.RootCert,
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},
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}
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})
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_, server2 := testServerWithConfig(t, func(c *Config) {
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c.Bootstrap = false
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})
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// Join a 2nd server (not the leader)
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testrpc.WaitForLeader(t, server1.RPC, "dc1")
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testrpc.WaitForActiveCARoot(t, server1.RPC, "dc1", nil)
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joinLAN(t, server2, server1)
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testrpc.WaitForLeader(t, server2.RPC, "dc1")
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// Make a write call to server2 and make sure it gets forwarded to server1
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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t.Cleanup(cancel)
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// Dial server2 directly
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conn, err := gogrpc.DialContext(ctx, server2.config.RPCAddr.String(),
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gogrpc.WithContextDialer(newServerDialer(server2.config.RPCAddr.String())),
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gogrpc.WithInsecure(),
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gogrpc.WithBlock())
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require.NoError(t, err)
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t.Cleanup(func() { conn.Close() })
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peeringClient := pbpeering.NewPeeringServiceClient(conn)
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testutil.RunStep(t, "forward a write", func(t *testing.T) {
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// Do the grpc Write call to server2
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req := pbpeering.GenerateTokenRequest{
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PeerName: "foo",
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}
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_, err := peeringClient.GenerateToken(ctx, &req)
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require.NoError(t, err)
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// TODO(peering) check that state store is updated on leader, indicating a forwarded request after state store
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// is implemented.
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})
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}
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func TestPeeringBackend_GetServerAddresses(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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_, cfg := testServerConfig(t)
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cfg.GRPCTLSPort = freeport.GetOne(t)
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srv, err := newServer(t, cfg)
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require.NoError(t, err)
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testrpc.WaitForLeader(t, srv.RPC, "dc1")
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backend := NewPeeringBackend(srv)
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testutil.RunStep(t, "peer to servers", func(t *testing.T) {
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addrs, err := backend.GetServerAddresses()
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require.NoError(t, err)
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expect := fmt.Sprintf("127.0.0.1:%d", srv.config.GRPCTLSPort)
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require.Equal(t, []string{expect}, addrs)
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})
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testutil.RunStep(t, "existence of mesh config entry is not enough to peer through gateways", func(t *testing.T) {
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mesh := structs.MeshConfigEntry{
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// Enable unrelated config.
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TransparentProxy: structs.TransparentProxyMeshConfig{
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MeshDestinationsOnly: true,
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},
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}
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require.NoError(t, srv.fsm.State().EnsureConfigEntry(1, &mesh))
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addrs, err := backend.GetServerAddresses()
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require.NoError(t, err)
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// Still expect server address because PeerThroughMeshGateways was not enabled.
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expect := fmt.Sprintf("127.0.0.1:%d", srv.config.GRPCTLSPort)
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require.Equal(t, []string{expect}, addrs)
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})
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testutil.RunStep(t, "cannot peer through gateways without registered gateways", func(t *testing.T) {
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mesh := structs.MeshConfigEntry{
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Peering: &structs.PeeringMeshConfig{PeerThroughMeshGateways: true},
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}
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require.NoError(t, srv.fsm.State().EnsureConfigEntry(1, &mesh))
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addrs, err := backend.GetServerAddresses()
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require.Nil(t, addrs)
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testutil.RequireErrorContains(t, err,
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"servers are configured to PeerThroughMeshGateways, but no mesh gateway instances are registered")
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})
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testutil.RunStep(t, "peer through mesh gateways", func(t *testing.T) {
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reg := structs.RegisterRequest{
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ID: types.NodeID("b5489ca9-f5e9-4dba-a779-61fec4e8e364"),
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Node: "gw-node",
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Address: "1.2.3.4",
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TaggedAddresses: map[string]string{
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structs.TaggedAddressWAN: "172.217.22.14",
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},
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Service: &structs.NodeService{
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ID: "mesh-gateway",
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Service: "mesh-gateway",
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Kind: structs.ServiceKindMeshGateway,
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Port: 443,
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TaggedAddresses: map[string]structs.ServiceAddress{
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structs.TaggedAddressWAN: {Address: "154.238.12.252", Port: 8443},
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},
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},
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}
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require.NoError(t, srv.fsm.State().EnsureRegistration(2, ®))
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addrs, err := backend.GetServerAddresses()
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require.NoError(t, err)
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require.Equal(t, []string{"154.238.12.252:8443"}, addrs)
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})
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}
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func newServerDialer(serverAddr string) func(context.Context, string) (net.Conn, error) {
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return func(ctx context.Context, addr string) (net.Conn, error) {
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d := net.Dialer{}
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conn, err := d.DialContext(ctx, "tcp", serverAddr)
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if err != nil {
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return nil, err
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}
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_, err = conn.Write([]byte{byte(pool.RPCGRPC)})
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if err != nil {
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conn.Close()
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return nil, err
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}
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return conn, nil
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}
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}
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func TestPeerStreamService_ForwardToLeader(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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ca := connect.TestCA(t, nil)
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_, server1 := testServerWithConfig(t, func(c *Config) {
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c.GRPCTLSPort = freeport.GetOne(t)
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c.CAConfig = &structs.CAConfiguration{
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ClusterID: connect.TestClusterID,
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Provider: structs.ConsulCAProvider,
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Config: map[string]interface{}{
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"PrivateKey": ca.SigningKey,
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"RootCert": ca.RootCert,
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},
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}
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})
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_, server2 := testServerWithConfig(t, func(c *Config) {
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c.Bootstrap = false
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})
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// server1 is leader, server2 follower
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testrpc.WaitForLeader(t, server1.RPC, "dc1")
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testrpc.WaitForActiveCARoot(t, server1.RPC, "dc1", nil)
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joinLAN(t, server2, server1)
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testrpc.WaitForLeader(t, server2.RPC, "dc1")
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peerId := testUUID()
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// Simulate a GenerateToken call on server1, which stores the establishment secret
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{
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require.NoError(t, server1.FSM().State().PeeringWrite(10, &pbpeering.PeeringWriteRequest{
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Peering: &pbpeering.Peering{
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Name: "foo",
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ID: peerId,
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},
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SecretsRequest: &pbpeering.SecretsWriteRequest{
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PeerID: peerId,
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Request: &pbpeering.SecretsWriteRequest_GenerateToken{
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GenerateToken: &pbpeering.SecretsWriteRequest_GenerateTokenRequest{
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EstablishmentSecret: "389bbcdf-1c31-47d6-ae96-f2a3f4c45f84",
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},
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},
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},
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}))
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}
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testutil.RunStep(t, "server2 forwards write to server1", func(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
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t.Cleanup(cancel)
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// We will dial server2 which should forward to server1
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conn, err := gogrpc.DialContext(ctx, server2.config.RPCAddr.String(),
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gogrpc.WithContextDialer(newServerDialer(server2.config.RPCAddr.String())),
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gogrpc.WithInsecure(),
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gogrpc.WithBlock())
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require.NoError(t, err)
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t.Cleanup(func() { conn.Close() })
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peerStreamClient := pbpeerstream.NewPeerStreamServiceClient(conn)
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req := &pbpeerstream.ExchangeSecretRequest{
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PeerID: peerId,
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EstablishmentSecret: "389bbcdf-1c31-47d6-ae96-f2a3f4c45f84",
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}
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_, err = peerStreamClient.ExchangeSecret(ctx, req)
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require.NoError(t, err)
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})
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}
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