1378 lines
42 KiB
Go
1378 lines
42 KiB
Go
package consul
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"math"
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"testing"
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"time"
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"github.com/armon/go-metrics"
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"github.com/hashicorp/go-hclog"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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grpcstatus "google.golang.org/grpc/status"
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"github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/agent/consul/state"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/proto/pbpeering"
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"github.com/hashicorp/consul/sdk/freeport"
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"github.com/hashicorp/consul/sdk/testutil/retry"
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"github.com/hashicorp/consul/testrpc"
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"github.com/hashicorp/consul/types"
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)
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func TestLeader_PeeringSync_Lifecycle_ClientDeletion(t *testing.T) {
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t.Run("without-tls", func(t *testing.T) {
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testLeader_PeeringSync_Lifecycle_ClientDeletion(t, false)
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})
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t.Run("with-tls", func(t *testing.T) {
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testLeader_PeeringSync_Lifecycle_ClientDeletion(t, true)
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})
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}
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func testLeader_PeeringSync_Lifecycle_ClientDeletion(t *testing.T, enableTLS bool) {
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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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_, acceptor := testServerWithConfig(t, func(c *Config) {
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c.NodeName = "acceptor"
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c.Datacenter = "dc1"
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c.TLSConfig.Domain = "consul"
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if enableTLS {
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c.TLSConfig.GRPC.CAFile = "../../test/hostname/CertAuth.crt"
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c.TLSConfig.GRPC.CertFile = "../../test/hostname/Bob.crt"
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c.TLSConfig.GRPC.KeyFile = "../../test/hostname/Bob.key"
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}
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})
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testrpc.WaitForLeader(t, acceptor.RPC, "dc1")
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// Create a peering by generating a token
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ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
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t.Cleanup(cancel)
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conn, err := grpc.DialContext(ctx, acceptor.config.RPCAddr.String(),
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grpc.WithContextDialer(newServerDialer(acceptor.config.RPCAddr.String())),
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grpc.WithInsecure(),
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grpc.WithBlock())
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require.NoError(t, err)
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defer conn.Close()
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acceptorClient := pbpeering.NewPeeringServiceClient(conn)
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req := pbpeering.GenerateTokenRequest{
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PeerName: "my-peer-dialer",
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}
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resp, err := acceptorClient.GenerateToken(ctx, &req)
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require.NoError(t, err)
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tokenJSON, err := base64.StdEncoding.DecodeString(resp.PeeringToken)
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require.NoError(t, err)
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var token structs.PeeringToken
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require.NoError(t, json.Unmarshal(tokenJSON, &token))
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// S1 should not have a stream tracked for dc2 because acceptor generated a token for baz, and therefore needs to wait to be dialed.
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time.Sleep(1 * time.Second)
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_, found := acceptor.peerStreamServer.StreamStatus(token.PeerID)
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require.False(t, found)
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// Bring up dialer and establish a peering with acceptor's token so that it attempts to dial.
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_, dialer := testServerWithConfig(t, func(c *Config) {
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c.NodeName = "dialer"
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c.Datacenter = "dc2"
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c.PrimaryDatacenter = "dc2"
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if enableTLS {
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c.TLSConfig.GRPC.CAFile = "../../test/hostname/CertAuth.crt"
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c.TLSConfig.GRPC.CertFile = "../../test/hostname/Betty.crt"
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c.TLSConfig.GRPC.KeyFile = "../../test/hostname/Betty.key"
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}
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})
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testrpc.WaitForLeader(t, dialer.RPC, "dc2")
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// Create a peering at dialer by establishing a peering with acceptor's token
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ctx, cancel = context.WithTimeout(context.Background(), 3*time.Second)
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t.Cleanup(cancel)
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conn, err = grpc.DialContext(ctx, dialer.config.RPCAddr.String(),
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grpc.WithContextDialer(newServerDialer(dialer.config.RPCAddr.String())),
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grpc.WithInsecure(),
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grpc.WithBlock())
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require.NoError(t, err)
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defer conn.Close()
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dialerClient := pbpeering.NewPeeringServiceClient(conn)
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establishReq := pbpeering.EstablishRequest{
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PeerName: "my-peer-acceptor",
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PeeringToken: resp.PeeringToken,
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}
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_, err = dialerClient.Establish(ctx, &establishReq)
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require.NoError(t, err)
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p, err := dialerClient.PeeringRead(ctx, &pbpeering.PeeringReadRequest{Name: "my-peer-acceptor"})
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require.NoError(t, err)
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retry.Run(t, func(r *retry.R) {
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status, found := dialer.peerStreamServer.StreamStatus(p.Peering.ID)
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require.True(r, found)
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require.True(r, status.Connected)
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})
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retry.Run(t, func(r *retry.R) {
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status, found := acceptor.peerStreamServer.StreamStatus(p.Peering.PeerID)
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require.True(r, found)
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require.True(r, status.Connected)
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})
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// Delete the peering to trigger the termination sequence.
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deleted := &pbpeering.Peering{
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ID: p.Peering.ID,
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Name: "my-peer-acceptor",
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DeletedAt: structs.TimeToProto(time.Now()),
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}
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require.NoError(t, dialer.fsm.State().PeeringWrite(2000, &pbpeering.PeeringWriteRequest{Peering: deleted}))
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dialer.logger.Trace("deleted peering for my-peer-acceptor")
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retry.Run(t, func(r *retry.R) {
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_, found := dialer.peerStreamServer.StreamStatus(p.Peering.ID)
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require.False(r, found)
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})
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// acceptor should have also marked the peering as terminated.
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retry.Run(t, func(r *retry.R) {
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_, peering, err := acceptor.fsm.State().PeeringRead(nil, state.Query{
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Value: "my-peer-dialer",
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})
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require.NoError(r, err)
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require.Equal(r, pbpeering.PeeringState_TERMINATED, peering.State)
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})
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}
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func TestLeader_PeeringSync_Lifecycle_ServerDeletion(t *testing.T) {
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t.Run("without-tls", func(t *testing.T) {
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testLeader_PeeringSync_Lifecycle_AcceptorDeletion(t, false)
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})
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t.Run("with-tls", func(t *testing.T) {
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testLeader_PeeringSync_Lifecycle_AcceptorDeletion(t, true)
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})
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}
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func testLeader_PeeringSync_Lifecycle_AcceptorDeletion(t *testing.T, enableTLS bool) {
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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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_, acceptor := testServerWithConfig(t, func(c *Config) {
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c.NodeName = "acceptor"
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c.Datacenter = "dc1"
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c.TLSConfig.Domain = "consul"
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if enableTLS {
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c.TLSConfig.GRPC.CAFile = "../../test/hostname/CertAuth.crt"
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c.TLSConfig.GRPC.CertFile = "../../test/hostname/Bob.crt"
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c.TLSConfig.GRPC.KeyFile = "../../test/hostname/Bob.key"
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}
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})
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testrpc.WaitForLeader(t, acceptor.RPC, "dc1")
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// Define a peering by generating a token for dialer
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ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
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t.Cleanup(cancel)
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conn, err := grpc.DialContext(ctx, acceptor.config.RPCAddr.String(),
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grpc.WithContextDialer(newServerDialer(acceptor.config.RPCAddr.String())),
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grpc.WithInsecure(),
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grpc.WithBlock())
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require.NoError(t, err)
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defer conn.Close()
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peeringClient := pbpeering.NewPeeringServiceClient(conn)
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req := pbpeering.GenerateTokenRequest{
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PeerName: "my-peer-dialer",
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}
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resp, err := peeringClient.GenerateToken(ctx, &req)
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require.NoError(t, err)
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tokenJSON, err := base64.StdEncoding.DecodeString(resp.PeeringToken)
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require.NoError(t, err)
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var token structs.PeeringToken
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require.NoError(t, json.Unmarshal(tokenJSON, &token))
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// Bring up dialer and establish a peering with acceptor's token so that it attempts to dial.
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_, dialer := testServerWithConfig(t, func(c *Config) {
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c.NodeName = "dialer"
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c.Datacenter = "dc2"
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c.PrimaryDatacenter = "dc2"
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if enableTLS {
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c.TLSConfig.GRPC.CAFile = "../../test/hostname/CertAuth.crt"
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c.TLSConfig.GRPC.CertFile = "../../test/hostname/Betty.crt"
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c.TLSConfig.GRPC.KeyFile = "../../test/hostname/Betty.key"
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}
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})
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testrpc.WaitForLeader(t, dialer.RPC, "dc2")
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// Create a peering at dialer by establishing a peering with acceptor's token
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ctx, cancel = context.WithTimeout(context.Background(), 3*time.Second)
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t.Cleanup(cancel)
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conn, err = grpc.DialContext(ctx, dialer.config.RPCAddr.String(),
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grpc.WithContextDialer(newServerDialer(dialer.config.RPCAddr.String())),
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grpc.WithInsecure(),
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grpc.WithBlock())
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require.NoError(t, err)
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defer conn.Close()
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dialerClient := pbpeering.NewPeeringServiceClient(conn)
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establishReq := pbpeering.EstablishRequest{
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PeerName: "my-peer-acceptor",
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PeeringToken: resp.PeeringToken,
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}
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_, err = dialerClient.Establish(ctx, &establishReq)
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require.NoError(t, err)
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p, err := dialerClient.PeeringRead(ctx, &pbpeering.PeeringReadRequest{Name: "my-peer-acceptor"})
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require.NoError(t, err)
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retry.Run(t, func(r *retry.R) {
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status, found := dialer.peerStreamServer.StreamStatus(p.Peering.ID)
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require.True(r, found)
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require.True(r, status.Connected)
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})
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retry.Run(t, func(r *retry.R) {
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status, found := acceptor.peerStreamServer.StreamStatus(p.Peering.PeerID)
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require.True(r, found)
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require.True(r, status.Connected)
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})
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// Delete the peering from the server peer to trigger the termination sequence.
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deleted := &pbpeering.Peering{
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ID: p.Peering.PeerID,
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Name: "my-peer-dialer",
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DeletedAt: structs.TimeToProto(time.Now()),
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}
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require.NoError(t, acceptor.fsm.State().PeeringWrite(2000, &pbpeering.PeeringWriteRequest{Peering: deleted}))
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acceptor.logger.Trace("deleted peering for my-peer-dialer")
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retry.Run(t, func(r *retry.R) {
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_, found := acceptor.peerStreamServer.StreamStatus(p.Peering.PeerID)
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require.False(r, found)
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})
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// dialer should have received the termination message and updated the peering state.
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retry.Run(t, func(r *retry.R) {
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_, peering, err := dialer.fsm.State().PeeringRead(nil, state.Query{
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Value: "my-peer-acceptor",
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})
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require.NoError(r, err)
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require.Equal(r, pbpeering.PeeringState_TERMINATED, peering.State)
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})
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}
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func TestLeader_PeeringSync_FailsForTLSError(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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t.Run("server-name-validation", func(t *testing.T) {
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testLeader_PeeringSync_failsForTLSError(t, func(token *structs.PeeringToken) {
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token.ServerName = "wrong.name"
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}, `transport: authentication handshake failed: x509: certificate is valid for server.dc1.consul, bob.server.dc1.consul, not wrong.name`)
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})
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t.Run("bad-ca-roots", func(t *testing.T) {
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wrongRoot, err := ioutil.ReadFile("../../test/client_certs/rootca.crt")
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require.NoError(t, err)
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testLeader_PeeringSync_failsForTLSError(t, func(token *structs.PeeringToken) {
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token.CA = []string{string(wrongRoot)}
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}, `transport: authentication handshake failed: x509: certificate signed by unknown authority`)
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})
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}
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func testLeader_PeeringSync_failsForTLSError(t *testing.T, tokenMutateFn func(token *structs.PeeringToken), expectErr string) {
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require.NotNil(t, tokenMutateFn)
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_, s1 := testServerWithConfig(t, func(c *Config) {
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c.NodeName = "bob"
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c.Datacenter = "dc1"
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c.TLSConfig.Domain = "consul"
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c.TLSConfig.GRPC.CAFile = "../../test/hostname/CertAuth.crt"
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c.TLSConfig.GRPC.CertFile = "../../test/hostname/Bob.crt"
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c.TLSConfig.GRPC.KeyFile = "../../test/hostname/Bob.key"
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})
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testrpc.WaitForLeader(t, s1.RPC, "dc1")
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// Create a peering by generating a token
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ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
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t.Cleanup(cancel)
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conn, err := grpc.DialContext(ctx, s1.config.RPCAddr.String(),
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grpc.WithContextDialer(newServerDialer(s1.config.RPCAddr.String())),
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grpc.WithInsecure(),
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grpc.WithBlock())
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require.NoError(t, err)
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defer conn.Close()
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peeringClient := pbpeering.NewPeeringServiceClient(conn)
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req := pbpeering.GenerateTokenRequest{
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PeerName: "my-peer-s2",
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}
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resp, err := peeringClient.GenerateToken(ctx, &req)
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require.NoError(t, err)
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tokenJSON, err := base64.StdEncoding.DecodeString(resp.PeeringToken)
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require.NoError(t, err)
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var token structs.PeeringToken
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require.NoError(t, json.Unmarshal(tokenJSON, &token))
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// Mutate token for test case
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tokenMutateFn(&token)
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// S1 should not have a stream tracked for dc2 because s1 generated a token
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// for baz, and therefore needs to wait to be dialed.
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time.Sleep(1 * time.Second)
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_, found := s1.peerStreamServer.StreamStatus(token.PeerID)
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require.False(t, found)
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// Bring up s2 and establish a peering with s1's token so that it attempts to dial.
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_, s2 := testServerWithConfig(t, func(c *Config) {
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c.NodeName = "betty"
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c.Datacenter = "dc2"
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c.PrimaryDatacenter = "dc2"
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c.TLSConfig.GRPC.CAFile = "../../test/hostname/CertAuth.crt"
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c.TLSConfig.GRPC.CertFile = "../../test/hostname/Betty.crt"
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c.TLSConfig.GRPC.KeyFile = "../../test/hostname/Betty.key"
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})
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testrpc.WaitForLeader(t, s2.RPC, "dc2")
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// Create a peering at s2 by establishing a peering with s1's token
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ctx, cancel = context.WithTimeout(context.Background(), 3*time.Second)
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t.Cleanup(cancel)
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conn, err = grpc.DialContext(ctx, s2.config.RPCAddr.String(),
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grpc.WithContextDialer(newServerDialer(s2.config.RPCAddr.String())),
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grpc.WithInsecure(),
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grpc.WithBlock())
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require.NoError(t, err)
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defer conn.Close()
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s2Client := pbpeering.NewPeeringServiceClient(conn)
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// Re-encode the mutated token and use it for the peering establishment.
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tokenJSON, err = json.Marshal(&token)
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require.NoError(t, err)
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tokenB64 := base64.StdEncoding.EncodeToString(tokenJSON)
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establishReq := pbpeering.EstablishRequest{
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PeerName: "my-peer-s1",
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PeeringToken: tokenB64,
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}
|
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// Since the Establish RPC dials the remote cluster, it will yield the TLS error.
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ctx, cancel = context.WithTimeout(context.Background(), 3*time.Second)
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t.Cleanup(cancel)
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_, err = s2Client.Establish(ctx, &establishReq)
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require.Contains(t, err.Error(), expectErr)
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}
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|
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func TestLeader_Peering_DeferredDeletion(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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// TODO(peering): Configure with TLS
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_, s1 := testServerWithConfig(t, func(c *Config) {
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c.NodeName = "s1.dc1"
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c.Datacenter = "dc1"
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c.TLSConfig.Domain = "consul"
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})
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testrpc.WaitForLeader(t, s1.RPC, "dc1")
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|
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var (
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peerID = "cc56f0b8-3885-4e78-8d7b-614a0c45712d"
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peerName = "my-peer-s2"
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defaultMeta = acl.DefaultEnterpriseMeta()
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lastIdx = uint64(0)
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)
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|
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// Simulate a peering initiation event by writing a peering to the state store.
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lastIdx++
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require.NoError(t, s1.fsm.State().PeeringWrite(lastIdx, &pbpeering.PeeringWriteRequest{
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Peering: &pbpeering.Peering{
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ID: peerID,
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Name: peerName,
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},
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}))
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// Insert imported data: nodes, services, checks, trust bundle
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lastIdx = insertTestPeeringData(t, s1.fsm.State(), peerName, lastIdx)
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|
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// Mark the peering for deletion to trigger the termination sequence.
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lastIdx++
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require.NoError(t, s1.fsm.State().PeeringWrite(lastIdx, &pbpeering.PeeringWriteRequest{
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Peering: &pbpeering.Peering{
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ID: peerID,
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Name: peerName,
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DeletedAt: structs.TimeToProto(time.Now()),
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},
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}))
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|
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// Ensure imported data is gone:
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retry.Run(t, func(r *retry.R) {
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_, csn, err := s1.fsm.State().ServiceDump(nil, "", false, defaultMeta, peerName)
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require.NoError(r, err)
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require.Len(r, csn, 0)
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_, checks, err := s1.fsm.State().ChecksInState(nil, api.HealthAny, defaultMeta, peerName)
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require.NoError(r, err)
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require.Len(r, checks, 0)
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_, nodes, err := s1.fsm.State().NodeDump(nil, defaultMeta, peerName)
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require.NoError(r, err)
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require.Len(r, nodes, 0)
|
|
|
|
_, tb, err := s1.fsm.State().PeeringTrustBundleRead(nil, state.Query{Value: peerName})
|
|
require.NoError(r, err)
|
|
require.Nil(r, tb)
|
|
})
|
|
|
|
// The leader routine should pick up the deletion and finish deleting the peering.
|
|
retry.Run(t, func(r *retry.R) {
|
|
_, peering, err := s1.fsm.State().PeeringRead(nil, state.Query{
|
|
Value: peerName,
|
|
})
|
|
require.NoError(r, err)
|
|
require.Nil(r, peering)
|
|
})
|
|
}
|
|
|
|
// Test that the dialing peer attempts to reestablish connections when the accepting peer
|
|
// shuts down without sending a Terminated message.
|
|
//
|
|
// To test this, we start the two peer servers (accepting and dialing), set up peering, and then shut down
|
|
// the accepting peer. This terminates the connection without sending a Terminated message.
|
|
// We then restart the accepting peer and assert that the dialing peer reestablishes the connection.
|
|
func TestLeader_Peering_DialerReestablishesConnectionOnError(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
// Reserve a gRPC port so we can restart the accepting server with the same port.
|
|
ports := freeport.GetN(t, 1)
|
|
acceptingServerPort := ports[0]
|
|
|
|
_, acceptingServer := testServerWithConfig(t, func(c *Config) {
|
|
c.NodeName = "acceptingServer.dc1"
|
|
c.Datacenter = "dc1"
|
|
c.TLSConfig.Domain = "consul"
|
|
c.GRPCPort = acceptingServerPort
|
|
c.PeeringEnabled = true
|
|
})
|
|
testrpc.WaitForLeader(t, acceptingServer.RPC, "dc1")
|
|
|
|
// Create a peering by generating a token.
|
|
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
|
|
t.Cleanup(cancel)
|
|
|
|
conn, err := grpc.DialContext(ctx, acceptingServer.config.RPCAddr.String(),
|
|
grpc.WithContextDialer(newServerDialer(acceptingServer.config.RPCAddr.String())),
|
|
grpc.WithInsecure(),
|
|
grpc.WithBlock())
|
|
require.NoError(t, err)
|
|
defer conn.Close()
|
|
|
|
acceptingClient := pbpeering.NewPeeringServiceClient(conn)
|
|
req := pbpeering.GenerateTokenRequest{
|
|
PeerName: "my-peer-dialing-server",
|
|
}
|
|
resp, err := acceptingClient.GenerateToken(ctx, &req)
|
|
require.NoError(t, err)
|
|
tokenJSON, err := base64.StdEncoding.DecodeString(resp.PeeringToken)
|
|
require.NoError(t, err)
|
|
var token structs.PeeringToken
|
|
require.NoError(t, json.Unmarshal(tokenJSON, &token))
|
|
|
|
var (
|
|
dialingServerPeerID = token.PeerID
|
|
)
|
|
|
|
// Bring up dialingServer and store acceptingServer's token so that it attempts to dial.
|
|
_, dialingServer := testServerWithConfig(t, func(c *Config) {
|
|
c.NodeName = "dialing-server.dc2"
|
|
c.Datacenter = "dc2"
|
|
c.PrimaryDatacenter = "dc2"
|
|
c.PeeringEnabled = true
|
|
})
|
|
testrpc.WaitForLeader(t, dialingServer.RPC, "dc2")
|
|
|
|
// Create a peering at s2 by establishing a peering with s1's token
|
|
ctx, cancel = context.WithTimeout(context.Background(), 3*time.Second)
|
|
t.Cleanup(cancel)
|
|
|
|
conn, err = grpc.DialContext(ctx, dialingServer.config.RPCAddr.String(),
|
|
grpc.WithContextDialer(newServerDialer(dialingServer.config.RPCAddr.String())),
|
|
grpc.WithInsecure(),
|
|
grpc.WithBlock())
|
|
require.NoError(t, err)
|
|
defer conn.Close()
|
|
|
|
dialingClient := pbpeering.NewPeeringServiceClient(conn)
|
|
|
|
establishReq := pbpeering.EstablishRequest{
|
|
PeerName: "my-peer-s1",
|
|
PeeringToken: resp.PeeringToken,
|
|
}
|
|
_, err = dialingClient.Establish(ctx, &establishReq)
|
|
require.NoError(t, err)
|
|
|
|
ctx, cancel = context.WithTimeout(context.Background(), 3*time.Second)
|
|
t.Cleanup(cancel)
|
|
p, err := dialingClient.PeeringRead(ctx, &pbpeering.PeeringReadRequest{Name: "my-peer-s1"})
|
|
require.NoError(t, err)
|
|
|
|
// Wait for the stream to be connected.
|
|
retry.Run(t, func(r *retry.R) {
|
|
status, found := dialingServer.peerStreamServer.StreamStatus(p.Peering.ID)
|
|
require.True(r, found)
|
|
require.True(r, status.Connected)
|
|
})
|
|
|
|
// Wait until the dialing server has sent its roots over. This avoids a race condition where the accepting server
|
|
// shuts down, but the dialing server is still sending messages to the stream. When this happens, an error is raised
|
|
// which causes the stream to restart.
|
|
// In this test, we want to test what happens when the stream is closed when there are _no_ messages being sent.
|
|
retry.Run(t, func(r *retry.R) {
|
|
_, bundle, err := acceptingServer.fsm.State().PeeringTrustBundleRead(nil, state.Query{Value: "my-peer-dialing-server"})
|
|
require.NoError(r, err)
|
|
require.NotNil(r, bundle)
|
|
})
|
|
|
|
// Capture the existing peering and associated secret so that they can be restored after the restart.
|
|
ctx, cancel = context.WithTimeout(context.Background(), 3*time.Second)
|
|
t.Cleanup(cancel)
|
|
peering, err := acceptingClient.PeeringRead(ctx, &pbpeering.PeeringReadRequest{Name: "my-peer-dialing-server"})
|
|
require.NoError(t, err)
|
|
require.NotNil(t, peering)
|
|
|
|
secrets, err := acceptingServer.fsm.State().PeeringSecretsRead(nil, token.PeerID)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, secrets)
|
|
|
|
// Shutdown the accepting server.
|
|
require.NoError(t, acceptingServer.Shutdown())
|
|
|
|
// Have to manually shut down the gRPC server otherwise it stays bound to the port.
|
|
acceptingServer.externalGRPCServer.Stop()
|
|
|
|
// Restart the server by re-using the previous acceptor's data directory and node id.
|
|
_, acceptingServerRestart := testServerWithConfig(t, func(c *Config) {
|
|
c.NodeName = "acceptingServer.dc1"
|
|
c.Datacenter = "dc1"
|
|
c.TLSConfig.Domain = "consul"
|
|
c.GRPCPort = acceptingServerPort
|
|
c.DataDir = acceptingServer.config.DataDir
|
|
c.NodeID = acceptingServer.config.NodeID
|
|
})
|
|
|
|
testrpc.WaitForLeader(t, acceptingServerRestart.RPC, "dc1")
|
|
|
|
// The dialing peer should eventually reconnect.
|
|
retry.Run(t, func(r *retry.R) {
|
|
connStreams := acceptingServerRestart.peerStreamServer.ConnectedStreams()
|
|
require.Contains(r, connStreams, dialingServerPeerID)
|
|
})
|
|
}
|
|
|
|
func insertTestPeeringData(t *testing.T, store *state.Store, peer string, lastIdx uint64) uint64 {
|
|
lastIdx++
|
|
require.NoError(t, store.PeeringTrustBundleWrite(lastIdx, &pbpeering.PeeringTrustBundle{
|
|
TrustDomain: "952e6bd1-f4d6-47f7-83ff-84b31babaa17",
|
|
PeerName: peer,
|
|
RootPEMs: []string{"certificate bundle"},
|
|
}))
|
|
|
|
lastIdx++
|
|
require.NoError(t, store.EnsureRegistration(lastIdx, &structs.RegisterRequest{
|
|
Node: "aaa",
|
|
Address: "10.0.0.1",
|
|
PeerName: peer,
|
|
Service: &structs.NodeService{
|
|
Service: "a-service",
|
|
ID: "a-service-1",
|
|
Port: 8080,
|
|
PeerName: peer,
|
|
},
|
|
Checks: structs.HealthChecks{
|
|
{
|
|
CheckID: "a-service-1-check",
|
|
ServiceName: "a-service",
|
|
ServiceID: "a-service-1",
|
|
Node: "aaa",
|
|
PeerName: peer,
|
|
},
|
|
},
|
|
}))
|
|
|
|
lastIdx++
|
|
require.NoError(t, store.EnsureRegistration(lastIdx, &structs.RegisterRequest{
|
|
Node: "bbb",
|
|
Address: "10.0.0.2",
|
|
PeerName: peer,
|
|
Service: &structs.NodeService{
|
|
Service: "b-service",
|
|
ID: "b-service-1",
|
|
Port: 8080,
|
|
PeerName: peer,
|
|
},
|
|
Checks: structs.HealthChecks{
|
|
{
|
|
CheckID: "b-service-1-check",
|
|
ServiceName: "b-service",
|
|
ServiceID: "b-service-1",
|
|
Node: "bbb",
|
|
PeerName: peer,
|
|
},
|
|
},
|
|
}))
|
|
|
|
lastIdx++
|
|
require.NoError(t, store.EnsureRegistration(lastIdx, &structs.RegisterRequest{
|
|
Node: "ccc",
|
|
Address: "10.0.0.3",
|
|
PeerName: peer,
|
|
Service: &structs.NodeService{
|
|
Service: "c-service",
|
|
ID: "c-service-1",
|
|
Port: 8080,
|
|
PeerName: peer,
|
|
},
|
|
Checks: structs.HealthChecks{
|
|
{
|
|
CheckID: "c-service-1-check",
|
|
ServiceName: "c-service",
|
|
ServiceID: "c-service-1",
|
|
Node: "ccc",
|
|
PeerName: peer,
|
|
},
|
|
},
|
|
}))
|
|
|
|
return lastIdx
|
|
}
|
|
|
|
// TODO(peering): once we move away from keeping state in stream tracker only on leaders, move this test to consul/server_test maybe
|
|
func TestLeader_Peering_ImportedExportedServicesCount(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
_, s1 := testServerWithConfig(t, func(c *Config) {
|
|
c.NodeName = "s1.dc1"
|
|
c.Datacenter = "dc1"
|
|
c.TLSConfig.Domain = "consul"
|
|
c.PeeringEnabled = true
|
|
})
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
|
|
t.Cleanup(cancel)
|
|
|
|
// Create a peering by generating a token
|
|
conn, err := grpc.DialContext(ctx, s1.config.RPCAddr.String(),
|
|
grpc.WithContextDialer(newServerDialer(s1.config.RPCAddr.String())),
|
|
grpc.WithInsecure(),
|
|
grpc.WithBlock())
|
|
require.NoError(t, err)
|
|
defer conn.Close()
|
|
|
|
peeringClient := pbpeering.NewPeeringServiceClient(conn)
|
|
|
|
req := pbpeering.GenerateTokenRequest{
|
|
PeerName: "my-peer-s2",
|
|
}
|
|
resp, err := peeringClient.GenerateToken(ctx, &req)
|
|
require.NoError(t, err)
|
|
|
|
tokenJSON, err := base64.StdEncoding.DecodeString(resp.PeeringToken)
|
|
require.NoError(t, err)
|
|
|
|
var token structs.PeeringToken
|
|
require.NoError(t, json.Unmarshal(tokenJSON, &token))
|
|
|
|
_, s2 := testServerWithConfig(t, func(c *Config) {
|
|
c.NodeName = "s2.dc2"
|
|
c.Datacenter = "dc2"
|
|
c.PrimaryDatacenter = "dc2"
|
|
c.PeeringEnabled = true
|
|
})
|
|
testrpc.WaitForLeader(t, s2.RPC, "dc2")
|
|
|
|
conn, err = grpc.DialContext(ctx, s2.config.RPCAddr.String(),
|
|
grpc.WithContextDialer(newServerDialer(s2.config.RPCAddr.String())),
|
|
grpc.WithInsecure(),
|
|
grpc.WithBlock())
|
|
require.NoError(t, err)
|
|
defer conn.Close()
|
|
|
|
s2Client := pbpeering.NewPeeringServiceClient(conn)
|
|
|
|
establishReq := pbpeering.EstablishRequest{
|
|
// Create a peering at s2 by establishing a peering with s1's token
|
|
// Bring up s2 and store s1's token so that it attempts to dial.
|
|
PeerName: "my-peer-s1",
|
|
PeeringToken: resp.PeeringToken,
|
|
}
|
|
_, err = s2Client.Establish(ctx, &establishReq)
|
|
require.NoError(t, err)
|
|
|
|
var lastIdx uint64
|
|
|
|
// Add services to S1 to be synced to S2
|
|
lastIdx++
|
|
require.NoError(t, s1.FSM().State().EnsureRegistration(lastIdx, &structs.RegisterRequest{
|
|
ID: types.NodeID(generateUUID()),
|
|
Node: "aaa",
|
|
Address: "10.0.0.1",
|
|
Service: &structs.NodeService{
|
|
Service: "a-service",
|
|
ID: "a-service-1",
|
|
Port: 8080,
|
|
},
|
|
Checks: structs.HealthChecks{
|
|
{
|
|
CheckID: "a-service-1-check",
|
|
ServiceName: "a-service",
|
|
ServiceID: "a-service-1",
|
|
Node: "aaa",
|
|
},
|
|
},
|
|
}))
|
|
|
|
lastIdx++
|
|
require.NoError(t, s1.FSM().State().EnsureRegistration(lastIdx, &structs.RegisterRequest{
|
|
ID: types.NodeID(generateUUID()),
|
|
|
|
Node: "bbb",
|
|
Address: "10.0.0.2",
|
|
Service: &structs.NodeService{
|
|
Service: "b-service",
|
|
ID: "b-service-1",
|
|
Port: 8080,
|
|
},
|
|
Checks: structs.HealthChecks{
|
|
{
|
|
CheckID: "b-service-1-check",
|
|
ServiceName: "b-service",
|
|
ServiceID: "b-service-1",
|
|
Node: "bbb",
|
|
},
|
|
},
|
|
}))
|
|
|
|
lastIdx++
|
|
require.NoError(t, s1.FSM().State().EnsureRegistration(lastIdx, &structs.RegisterRequest{
|
|
ID: types.NodeID(generateUUID()),
|
|
|
|
Node: "ccc",
|
|
Address: "10.0.0.3",
|
|
Service: &structs.NodeService{
|
|
Service: "c-service",
|
|
ID: "c-service-1",
|
|
Port: 8080,
|
|
},
|
|
Checks: structs.HealthChecks{
|
|
{
|
|
CheckID: "c-service-1-check",
|
|
ServiceName: "c-service",
|
|
ServiceID: "c-service-1",
|
|
Node: "ccc",
|
|
},
|
|
},
|
|
}))
|
|
// Finished adding services
|
|
|
|
type testCase struct {
|
|
name string
|
|
description string
|
|
exportedService structs.ExportedServicesConfigEntry
|
|
expectedImportedServsCount uint64
|
|
expectedExportedServsCount uint64
|
|
}
|
|
|
|
testCases := []testCase{
|
|
{
|
|
name: "wildcard",
|
|
description: "for a wildcard exported services, we want to see all services synced",
|
|
exportedService: structs.ExportedServicesConfigEntry{
|
|
Name: "default",
|
|
Services: []structs.ExportedService{
|
|
{
|
|
Name: structs.WildcardSpecifier,
|
|
Consumers: []structs.ServiceConsumer{
|
|
{
|
|
PeerName: "my-peer-s2",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
expectedImportedServsCount: 4, // 3 services from above + the "consul" service
|
|
expectedExportedServsCount: 4, // 3 services from above + the "consul" service
|
|
},
|
|
{
|
|
name: "no sync",
|
|
description: "update the config entry to allow no service sync",
|
|
exportedService: structs.ExportedServicesConfigEntry{
|
|
Name: "default",
|
|
},
|
|
expectedImportedServsCount: 0, // we want to see this decremented from 4 --> 0
|
|
expectedExportedServsCount: 0, // we want to see this decremented from 4 --> 0
|
|
},
|
|
{
|
|
name: "just a, b services",
|
|
description: "export just two services",
|
|
exportedService: structs.ExportedServicesConfigEntry{
|
|
Name: "default",
|
|
Services: []structs.ExportedService{
|
|
{
|
|
Name: "a-service",
|
|
Consumers: []structs.ServiceConsumer{
|
|
{
|
|
PeerName: "my-peer-s2",
|
|
},
|
|
},
|
|
},
|
|
{
|
|
Name: "b-service",
|
|
Consumers: []structs.ServiceConsumer{
|
|
{
|
|
PeerName: "my-peer-s2",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
expectedImportedServsCount: 2,
|
|
expectedExportedServsCount: 2,
|
|
},
|
|
{
|
|
name: "unexport b service",
|
|
description: "by unexporting b we want to see the count decrement eventually",
|
|
exportedService: structs.ExportedServicesConfigEntry{
|
|
Name: "default",
|
|
Services: []structs.ExportedService{
|
|
{
|
|
Name: "a-service",
|
|
Consumers: []structs.ServiceConsumer{
|
|
{
|
|
PeerName: "my-peer-s2",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
expectedImportedServsCount: 1,
|
|
expectedExportedServsCount: 1,
|
|
},
|
|
{
|
|
name: "export c service",
|
|
description: "now export the c service and expect the count to increment",
|
|
exportedService: structs.ExportedServicesConfigEntry{
|
|
Name: "default",
|
|
Services: []structs.ExportedService{
|
|
{
|
|
Name: "a-service",
|
|
Consumers: []structs.ServiceConsumer{
|
|
{
|
|
PeerName: "my-peer-s2",
|
|
},
|
|
},
|
|
},
|
|
{
|
|
Name: "c-service",
|
|
Consumers: []structs.ServiceConsumer{
|
|
{
|
|
PeerName: "my-peer-s2",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
expectedImportedServsCount: 2,
|
|
expectedExportedServsCount: 2,
|
|
},
|
|
}
|
|
|
|
conn2, err := grpc.DialContext(ctx, s2.config.RPCAddr.String(),
|
|
grpc.WithContextDialer(newServerDialer(s2.config.RPCAddr.String())),
|
|
grpc.WithInsecure(),
|
|
grpc.WithBlock())
|
|
require.NoError(t, err)
|
|
defer conn2.Close()
|
|
|
|
peeringClient2 := pbpeering.NewPeeringServiceClient(conn2)
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
lastIdx++
|
|
require.NoError(t, s1.fsm.State().EnsureConfigEntry(lastIdx, &tc.exportedService))
|
|
|
|
// Check that imported services count on S2 are what we expect
|
|
retry.Run(t, func(r *retry.R) {
|
|
// on Read
|
|
resp, err := peeringClient2.PeeringRead(context.Background(), &pbpeering.PeeringReadRequest{Name: "my-peer-s1"})
|
|
require.NoError(r, err)
|
|
require.NotNil(r, resp.Peering)
|
|
require.Equal(r, tc.expectedImportedServsCount, resp.Peering.ImportedServiceCount)
|
|
|
|
// on List
|
|
resp2, err2 := peeringClient2.PeeringList(context.Background(), &pbpeering.PeeringListRequest{})
|
|
require.NoError(r, err2)
|
|
require.NotEmpty(r, resp2.Peerings)
|
|
require.Equal(r, tc.expectedExportedServsCount, resp2.Peerings[0].ImportedServiceCount)
|
|
})
|
|
|
|
// Check that exported services count on S1 are what we expect
|
|
retry.Run(t, func(r *retry.R) {
|
|
// on Read
|
|
resp, err := peeringClient.PeeringRead(context.Background(), &pbpeering.PeeringReadRequest{Name: "my-peer-s2"})
|
|
require.NoError(r, err)
|
|
require.NotNil(r, resp.Peering)
|
|
require.Equal(r, tc.expectedImportedServsCount, resp.Peering.ExportedServiceCount)
|
|
|
|
// on List
|
|
resp2, err2 := peeringClient.PeeringList(context.Background(), &pbpeering.PeeringListRequest{})
|
|
require.NoError(r, err2)
|
|
require.NotEmpty(r, resp2.Peerings)
|
|
require.Equal(r, tc.expectedExportedServsCount, resp2.Peerings[0].ExportedServiceCount)
|
|
})
|
|
})
|
|
}
|
|
}
|
|
|
|
// TODO(peering): once we move away from keeping state in stream tracker only on leaders, move this test to consul/server_test maybe
|
|
func TestLeader_PeeringMetrics_emitPeeringMetrics(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
var (
|
|
s2PeerID1 = generateUUID()
|
|
s2PeerID2 = generateUUID()
|
|
s2PeerID3 = generateUUID()
|
|
testContextTimeout = 60 * time.Second
|
|
lastIdx = uint64(0)
|
|
)
|
|
|
|
// TODO(peering): Configure with TLS
|
|
_, s1 := testServerWithConfig(t, func(c *Config) {
|
|
c.NodeName = "s1.dc1"
|
|
c.Datacenter = "dc1"
|
|
c.TLSConfig.Domain = "consul"
|
|
})
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
|
|
// Create a peering by generating a token
|
|
ctx, cancel := context.WithTimeout(context.Background(), testContextTimeout)
|
|
t.Cleanup(cancel)
|
|
|
|
conn, err := grpc.DialContext(ctx, s1.config.RPCAddr.String(),
|
|
grpc.WithContextDialer(newServerDialer(s1.config.RPCAddr.String())),
|
|
grpc.WithInsecure(),
|
|
grpc.WithBlock())
|
|
require.NoError(t, err)
|
|
defer conn.Close()
|
|
|
|
peeringClient := pbpeering.NewPeeringServiceClient(conn)
|
|
|
|
req := pbpeering.GenerateTokenRequest{
|
|
PeerName: "my-peer-s2",
|
|
}
|
|
resp, err := peeringClient.GenerateToken(ctx, &req)
|
|
require.NoError(t, err)
|
|
|
|
tokenJSON, err := base64.StdEncoding.DecodeString(resp.PeeringToken)
|
|
require.NoError(t, err)
|
|
|
|
var token structs.PeeringToken
|
|
require.NoError(t, json.Unmarshal(tokenJSON, &token))
|
|
|
|
// Bring up s2 and store s1's token so that it attempts to dial.
|
|
_, s2 := testServerWithConfig(t, func(c *Config) {
|
|
c.NodeName = "s2.dc2"
|
|
c.Datacenter = "dc2"
|
|
c.PrimaryDatacenter = "dc2"
|
|
})
|
|
testrpc.WaitForLeader(t, s2.RPC, "dc2")
|
|
|
|
// Simulate exporting services in the tracker
|
|
{
|
|
// Simulate a peering initiation event by writing a peering with data from a peering token.
|
|
// Eventually the leader in dc2 should dial and connect to the leader in dc1.
|
|
p := &pbpeering.Peering{
|
|
ID: s2PeerID1,
|
|
Name: "my-peer-s1",
|
|
PeerID: token.PeerID,
|
|
PeerCAPems: token.CA,
|
|
PeerServerName: token.ServerName,
|
|
PeerServerAddresses: token.ServerAddresses,
|
|
}
|
|
require.True(t, p.ShouldDial())
|
|
lastIdx++
|
|
require.NoError(t, s2.fsm.State().PeeringWrite(lastIdx, &pbpeering.PeeringWriteRequest{Peering: p}))
|
|
|
|
p2 := &pbpeering.Peering{
|
|
ID: s2PeerID2,
|
|
Name: "my-peer-s3",
|
|
PeerID: token.PeerID, // doesn't much matter what these values are
|
|
PeerCAPems: token.CA,
|
|
PeerServerName: token.ServerName,
|
|
PeerServerAddresses: token.ServerAddresses,
|
|
}
|
|
require.True(t, p2.ShouldDial())
|
|
lastIdx++
|
|
require.NoError(t, s2.fsm.State().PeeringWrite(lastIdx, &pbpeering.PeeringWriteRequest{Peering: p2}))
|
|
|
|
// connect the stream
|
|
mst1, err := s2.peeringServer.Tracker.Connected(s2PeerID1)
|
|
require.NoError(t, err)
|
|
|
|
// mimic tracking exported services
|
|
mst1.TrackExportedService(structs.ServiceName{Name: "a-service"})
|
|
mst1.TrackExportedService(structs.ServiceName{Name: "b-service"})
|
|
mst1.TrackExportedService(structs.ServiceName{Name: "c-service"})
|
|
|
|
// connect the stream
|
|
mst2, err := s2.peeringServer.Tracker.Connected(s2PeerID2)
|
|
require.NoError(t, err)
|
|
|
|
// mimic tracking exported services
|
|
mst2.TrackExportedService(structs.ServiceName{Name: "d-service"})
|
|
mst2.TrackExportedService(structs.ServiceName{Name: "e-service"})
|
|
|
|
// pretend that the hearbeat happened
|
|
mst2.TrackRecvHeartbeat()
|
|
}
|
|
|
|
// Simulate a peering that never connects
|
|
{
|
|
p3 := &pbpeering.Peering{
|
|
ID: s2PeerID3,
|
|
Name: "my-peer-s4",
|
|
PeerID: token.PeerID, // doesn't much matter what these values are
|
|
PeerCAPems: token.CA,
|
|
PeerServerName: token.ServerName,
|
|
PeerServerAddresses: token.ServerAddresses,
|
|
}
|
|
require.True(t, p3.ShouldDial())
|
|
lastIdx++
|
|
require.NoError(t, s2.fsm.State().PeeringWrite(lastIdx, &pbpeering.PeeringWriteRequest{Peering: p3}))
|
|
}
|
|
|
|
// set up a metrics sink
|
|
sink := metrics.NewInmemSink(testContextTimeout, testContextTimeout)
|
|
cfg := metrics.DefaultConfig("us-west")
|
|
cfg.EnableHostname = false
|
|
met, err := metrics.New(cfg, sink)
|
|
require.NoError(t, err)
|
|
|
|
errM := s2.emitPeeringMetricsOnce(s2.logger, met)
|
|
require.NoError(t, errM)
|
|
|
|
retry.Run(t, func(r *retry.R) {
|
|
intervals := sink.Data()
|
|
require.Len(r, intervals, 1)
|
|
intv := intervals[0]
|
|
|
|
// the keys for a Gauge value look like: {serviceName}.{prefix}.{key_name};{label=value};...
|
|
keyMetric1 := fmt.Sprintf("us-west.consul.peering.exported_services;peer_name=my-peer-s1;peer_id=%s", s2PeerID1)
|
|
metric1, ok := intv.Gauges[keyMetric1]
|
|
require.True(r, ok, fmt.Sprintf("did not find the key %q", keyMetric1))
|
|
|
|
require.Equal(r, float32(3), metric1.Value) // for a, b, c services
|
|
|
|
keyMetric2 := fmt.Sprintf("us-west.consul.peering.exported_services;peer_name=my-peer-s3;peer_id=%s", s2PeerID2)
|
|
metric2, ok := intv.Gauges[keyMetric2]
|
|
require.True(r, ok, fmt.Sprintf("did not find the key %q", keyMetric2))
|
|
|
|
require.Equal(r, float32(2), metric2.Value) // for d, e services
|
|
|
|
keyHealthyMetric2 := fmt.Sprintf("us-west.consul.peering.healthy;peer_name=my-peer-s3;peer_id=%s", s2PeerID2)
|
|
healthyMetric2, ok := intv.Gauges[keyHealthyMetric2]
|
|
require.True(r, ok, fmt.Sprintf("did not find the key %q", keyHealthyMetric2))
|
|
|
|
require.Equal(r, float32(1), healthyMetric2.Value)
|
|
|
|
keyHealthyMetric3 := fmt.Sprintf("us-west.consul.peering.healthy;peer_name=my-peer-s4;peer_id=%s", s2PeerID3)
|
|
healthyMetric3, ok := intv.Gauges[keyHealthyMetric3]
|
|
require.True(r, ok, fmt.Sprintf("did not find the key %q", keyHealthyMetric3))
|
|
|
|
require.True(r, math.IsNaN(float64(healthyMetric3.Value)))
|
|
})
|
|
}
|
|
|
|
// Test that the leader doesn't start its peering deletion routing when
|
|
// peering is disabled.
|
|
func TestLeader_Peering_NoDeletionWhenPeeringDisabled(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
_, s1 := testServerWithConfig(t, func(c *Config) {
|
|
c.NodeName = "s1.dc1"
|
|
c.Datacenter = "dc1"
|
|
c.TLSConfig.Domain = "consul"
|
|
c.PeeringEnabled = false
|
|
})
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
|
|
var (
|
|
peerID = "cc56f0b8-3885-4e78-8d7b-614a0c45712d"
|
|
peerName = "my-peer-s2"
|
|
lastIdx = uint64(0)
|
|
)
|
|
|
|
// Simulate a peering initiation event by writing a peering to the state store.
|
|
lastIdx++
|
|
require.NoError(t, s1.fsm.State().PeeringWrite(lastIdx, &pbpeering.PeeringWriteRequest{
|
|
Peering: &pbpeering.Peering{
|
|
ID: peerID,
|
|
Name: peerName,
|
|
},
|
|
}))
|
|
|
|
// Mark the peering for deletion to trigger the termination sequence.
|
|
lastIdx++
|
|
require.NoError(t, s1.fsm.State().PeeringWrite(lastIdx, &pbpeering.PeeringWriteRequest{
|
|
Peering: &pbpeering.Peering{
|
|
ID: peerID,
|
|
Name: peerName,
|
|
DeletedAt: structs.TimeToProto(time.Now()),
|
|
},
|
|
}))
|
|
|
|
// The leader routine shouldn't be running so the peering should never get deleted.
|
|
require.Never(t, func() bool {
|
|
_, peering, err := s1.fsm.State().PeeringRead(nil, state.Query{
|
|
Value: peerName,
|
|
})
|
|
if err != nil {
|
|
t.Logf("unexpected err: %s", err)
|
|
return true
|
|
}
|
|
if peering == nil {
|
|
return true
|
|
}
|
|
return false
|
|
}, 7*time.Second, 1*time.Second, "peering should not have been deleted")
|
|
}
|
|
|
|
// Test that the leader doesn't start its peering establishment routine
|
|
// when peering is disabled.
|
|
func TestLeader_Peering_NoEstablishmentWhenPeeringDisabled(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
_, s1 := testServerWithConfig(t, func(c *Config) {
|
|
c.NodeName = "s1.dc1"
|
|
c.Datacenter = "dc1"
|
|
c.TLSConfig.Domain = "consul"
|
|
c.PeeringEnabled = false
|
|
})
|
|
testrpc.WaitForLeader(t, s1.RPC, "dc1")
|
|
|
|
var (
|
|
peerID = "cc56f0b8-3885-4e78-8d7b-614a0c45712d"
|
|
peerName = "my-peer-s2"
|
|
lastIdx = uint64(0)
|
|
)
|
|
|
|
// Simulate a peering initiation event by writing a peering to the state store.
|
|
require.NoError(t, s1.fsm.State().PeeringWrite(lastIdx, &pbpeering.PeeringWriteRequest{
|
|
Peering: &pbpeering.Peering{
|
|
ID: peerID,
|
|
Name: peerName,
|
|
PeerServerAddresses: []string{"1.2.3.4"},
|
|
},
|
|
}))
|
|
|
|
require.Never(t, func() bool {
|
|
_, found := s1.peerStreamTracker.StreamStatus(peerID)
|
|
return found
|
|
}, 7*time.Second, 1*time.Second, "peering should not have been established")
|
|
}
|
|
|
|
// Test peeringRetryTimeout when the errors are FailedPrecondition errors because these
|
|
// errors have a different backoff.
|
|
func TestLeader_Peering_peeringRetryTimeout_failedPreconditionErrors(t *testing.T) {
|
|
cases := []struct {
|
|
failedAttempts uint
|
|
expDuration time.Duration
|
|
}{
|
|
// Constant time backoff.
|
|
{0, 8 * time.Millisecond},
|
|
{1, 8 * time.Millisecond},
|
|
{2, 8 * time.Millisecond},
|
|
{3, 8 * time.Millisecond},
|
|
{4, 8 * time.Millisecond},
|
|
{5, 8 * time.Millisecond},
|
|
// Then exponential.
|
|
{6, 16 * time.Millisecond},
|
|
{7, 32 * time.Millisecond},
|
|
{13, 2048 * time.Millisecond},
|
|
{14, 4096 * time.Millisecond},
|
|
{15, 8192 * time.Millisecond},
|
|
// Max.
|
|
{16, 8192 * time.Millisecond},
|
|
{17, 8192 * time.Millisecond},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
t.Run(fmt.Sprintf("failed attempts %d", c.failedAttempts), func(t *testing.T) {
|
|
err := grpcstatus.Error(codes.FailedPrecondition, "msg")
|
|
require.Equal(t, c.expDuration, peeringRetryTimeout(c.failedAttempts, err))
|
|
})
|
|
}
|
|
}
|
|
|
|
// Test peeringRetryTimeout with non-FailedPrecondition errors because these errors have a different
|
|
// backoff from FailedPrecondition errors.
|
|
func TestLeader_Peering_peeringRetryTimeout_regularErrors(t *testing.T) {
|
|
cases := []struct {
|
|
failedAttempts uint
|
|
expDuration time.Duration
|
|
}{
|
|
// Exponential.
|
|
{0, 1 * time.Second},
|
|
{1, 2 * time.Second},
|
|
{2, 4 * time.Second},
|
|
{3, 8 * time.Second},
|
|
// Until max.
|
|
{8, 256 * time.Second},
|
|
{9, 256 * time.Second},
|
|
{10, 256 * time.Second},
|
|
}
|
|
|
|
for _, c := range cases {
|
|
t.Run(fmt.Sprintf("failed attempts %d", c.failedAttempts), func(t *testing.T) {
|
|
err := errors.New("error")
|
|
require.Equal(t, c.expDuration, peeringRetryTimeout(c.failedAttempts, err))
|
|
})
|
|
}
|
|
}
|
|
|
|
// This test exercises all the functionality of retryLoopBackoffPeering.
|
|
func TestLeader_Peering_retryLoopBackoffPeering(t *testing.T) {
|
|
ctx := context.Background()
|
|
logger := hclog.NewNullLogger()
|
|
|
|
// loopCount counts how many times we executed loopFn.
|
|
loopCount := 0
|
|
// loopTimes holds the times at which each loopFn was executed. We use this to test the timeout functionality.
|
|
var loopTimes []time.Time
|
|
// loopFn will run 5 times and do something different on each loop.
|
|
loopFn := func() error {
|
|
loopCount++
|
|
loopTimes = append(loopTimes, time.Now())
|
|
if loopCount == 1 {
|
|
return fmt.Errorf("error 1")
|
|
}
|
|
if loopCount == 2 {
|
|
return fmt.Errorf("error 2")
|
|
}
|
|
if loopCount == 3 {
|
|
// On the 3rd loop, return success which ends the loop.
|
|
return nil
|
|
}
|
|
return nil
|
|
}
|
|
// allErrors collects all the errors passed into errFn.
|
|
var allErrors []error
|
|
errFn := func(e error) {
|
|
allErrors = append(allErrors, e)
|
|
}
|
|
retryTimeFn := func(_ uint, _ error) time.Duration {
|
|
return 1 * time.Millisecond
|
|
}
|
|
|
|
retryLoopBackoffPeering(ctx, logger, loopFn, errFn, retryTimeFn)
|
|
|
|
// Ensure loopFn ran the number of expected times.
|
|
require.Equal(t, 3, loopCount)
|
|
// Ensure errFn ran as expected.
|
|
require.Equal(t, []error{
|
|
fmt.Errorf("error 1"),
|
|
fmt.Errorf("error 2"),
|
|
}, allErrors)
|
|
|
|
// Test retryTimeFn by comparing the difference between when each loopFn ran.
|
|
for i := range loopTimes {
|
|
if i == 0 {
|
|
// Can't compare first time.
|
|
continue
|
|
}
|
|
require.True(t, loopTimes[i].Sub(loopTimes[i-1]) >= 1*time.Millisecond,
|
|
"time between indices %d and %d was > 1ms", i, i-1)
|
|
}
|
|
}
|
|
|
|
// Test that if the context is cancelled the loop exits.
|
|
func TestLeader_Peering_retryLoopBackoffPeering_cancelContext(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
logger := hclog.NewNullLogger()
|
|
|
|
// loopCount counts how many times we executed loopFn.
|
|
loopCount := 0
|
|
loopFn := func() error {
|
|
loopCount++
|
|
return fmt.Errorf("error %d", loopCount)
|
|
}
|
|
// allErrors collects all the errors passed into errFn.
|
|
var allErrors []error
|
|
errFn := func(e error) {
|
|
allErrors = append(allErrors, e)
|
|
}
|
|
// Set the retry time to a huge number.
|
|
retryTimeFn := func(_ uint, _ error) time.Duration {
|
|
return 1 * time.Millisecond
|
|
}
|
|
|
|
// Cancel the context before the loop runs. It should run once and then exit.
|
|
cancel()
|
|
retryLoopBackoffPeering(ctx, logger, loopFn, errFn, retryTimeFn)
|
|
|
|
// Ensure loopFn ran the number of expected times.
|
|
require.Equal(t, 1, loopCount)
|
|
// Ensure errFn ran as expected.
|
|
require.Equal(t, []error{
|
|
fmt.Errorf("error 1"),
|
|
}, allErrors)
|
|
}
|
|
|
|
func Test_isFailedPreconditionErr(t *testing.T) {
|
|
st := grpcstatus.New(codes.FailedPrecondition, "cannot establish a peering stream on a follower node")
|
|
err := st.Err()
|
|
assert.True(t, isFailedPreconditionErr(err))
|
|
|
|
// test that wrapped errors are checked correctly
|
|
werr := fmt.Errorf("wrapped: %w", err)
|
|
assert.True(t, isFailedPreconditionErr(werr))
|
|
}
|