153 lines
3.5 KiB
Go
153 lines
3.5 KiB
Go
package consul
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import (
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"net"
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"net/rpc"
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"os"
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"testing"
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"time"
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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/testrpc"
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"github.com/hashicorp/consul/tlsutil"
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msgpackrpc "github.com/hashicorp/net-rpc-msgpackrpc"
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"github.com/stretchr/testify/require"
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)
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func rpcClient(t *testing.T, s *Server) rpc.ClientCodec {
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addr := s.config.RPCAdvertise
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conn, err := net.DialTimeout("tcp", addr.String(), time.Second)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Write the Consul RPC byte to set the mode
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conn.Write([]byte{byte(pool.RPCConsul)})
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return msgpackrpc.NewCodecFromHandle(true, true, conn, structs.MsgpackHandle)
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}
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func insecureRPCClient(s *Server, c tlsutil.Config) (rpc.ClientCodec, error) {
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addr := s.config.RPCAdvertise
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configurator, err := tlsutil.NewConfigurator(c, s.logger)
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if err != nil {
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return nil, err
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}
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wrapper := configurator.OutgoingRPCWrapper()
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if wrapper == nil {
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return nil, err
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}
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conn, _, err := pool.DialTimeoutWithRPCTypeDirectly(
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s.config.Datacenter,
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s.config.NodeName,
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addr,
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nil,
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time.Second,
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true,
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wrapper,
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pool.RPCTLSInsecure,
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pool.RPCTLSInsecure,
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)
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if err != nil {
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return nil, err
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}
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return msgpackrpc.NewCodecFromHandle(true, true, conn, structs.MsgpackHandle), nil
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}
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func TestStatusLeader(t *testing.T) {
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t.Parallel()
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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codec := rpcClient(t, s1)
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defer codec.Close()
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arg := struct{}{}
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var leader string
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if err := msgpackrpc.CallWithCodec(codec, "Status.Leader", arg, &leader); err != nil {
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t.Fatalf("err: %v", err)
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}
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if leader != "" {
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t.Fatalf("unexpected leader: %v", leader)
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}
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testrpc.WaitForTestAgent(t, s1.RPC, "dc1")
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if err := msgpackrpc.CallWithCodec(codec, "Status.Leader", arg, &leader); err != nil {
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t.Fatalf("err: %v", err)
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}
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if leader == "" {
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t.Fatalf("no leader")
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}
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}
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func TestStatusLeader_ForwardDC(t *testing.T) {
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t.Parallel()
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dir1, s1 := testServerDC(t, "primary")
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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codec := rpcClient(t, s1)
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defer codec.Close()
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dir2, s2 := testServerDC(t, "secondary")
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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joinWAN(t, s2, s1)
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testrpc.WaitForLeader(t, s1.RPC, "secondary")
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testrpc.WaitForLeader(t, s2.RPC, "primary")
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args := structs.DCSpecificRequest{
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Datacenter: "secondary",
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}
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var out string
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require.NoError(t, msgpackrpc.CallWithCodec(codec, "Status.Leader", &args, &out))
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require.Equal(t, s2.config.RPCAdvertise.String(), out)
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}
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func TestStatusPeers(t *testing.T) {
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t.Parallel()
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dir1, s1 := testServer(t)
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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codec := rpcClient(t, s1)
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defer codec.Close()
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arg := struct{}{}
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var peers []string
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if err := msgpackrpc.CallWithCodec(codec, "Status.Peers", arg, &peers); err != nil {
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t.Fatalf("err: %v", err)
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}
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if len(peers) != 1 {
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t.Fatalf("no peers: %v", peers)
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}
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}
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func TestStatusPeers_ForwardDC(t *testing.T) {
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t.Parallel()
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dir1, s1 := testServerDC(t, "primary")
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defer os.RemoveAll(dir1)
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defer s1.Shutdown()
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codec := rpcClient(t, s1)
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defer codec.Close()
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dir2, s2 := testServerDC(t, "secondary")
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defer os.RemoveAll(dir2)
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defer s2.Shutdown()
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joinWAN(t, s2, s1)
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testrpc.WaitForLeader(t, s1.RPC, "secondary")
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testrpc.WaitForLeader(t, s2.RPC, "primary")
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args := structs.DCSpecificRequest{
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Datacenter: "secondary",
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}
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var out []string
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require.NoError(t, msgpackrpc.CallWithCodec(codec, "Status.Peers", &args, &out))
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require.Equal(t, []string{s2.config.RPCAdvertise.String()}, out)
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}
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