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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,189 @@ | ||
| package nomad | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
| "net" | ||
| "strings" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/hashicorp/nomad/client" | ||
| "github.com/hashicorp/nomad/client/config" | ||
| cstructs "github.com/hashicorp/nomad/client/structs" | ||
| "github.com/hashicorp/nomad/nomad/structs" | ||
| "github.com/hashicorp/nomad/testutil" | ||
| "github.com/stretchr/testify/require" | ||
| "github.com/ugorji/go/codec" | ||
| ) | ||
|
|
||
| func TestMonitor_Monitor_Remote_Server(t *testing.T) { | ||
| t.Parallel() | ||
| require := require.New(t) | ||
|
|
||
| // start server and client | ||
| s1 := TestServer(t, nil) | ||
| defer s1.Shutdown() | ||
| s2 := TestServer(t, func(c *Config) { | ||
| c.DevDisableBootstrap = true | ||
| }) | ||
| defer s2.Shutdown() | ||
| TestJoin(t, s1, s2) | ||
| testutil.WaitForLeader(t, s1.RPC) | ||
| testutil.WaitForLeader(t, s2.RPC) | ||
|
|
||
| c, cleanup := client.TestClient(t, func(c *config.Config) { | ||
| c.Servers = []string{s2.GetConfig().RPCAddr.String()} | ||
| }) | ||
| defer cleanup() | ||
|
|
||
| testutil.WaitForResult(func() (bool, error) { | ||
| nodes := s2.connectedNodes() | ||
| return len(nodes) == 1, nil | ||
| }, func(err error) { | ||
| t.Fatalf("should have a clients") | ||
| }) | ||
|
|
||
| // No node ID to monitor the remote server | ||
| req := cstructs.MonitorRequest{ | ||
| LogLevel: "debug", | ||
| NodeID: c.NodeID(), | ||
| } | ||
|
|
||
| handler, err := s1.StreamingRpcHandler("Agent.Monitor") | ||
| require.Nil(err) | ||
|
|
||
| // create pipe | ||
| p1, p2 := net.Pipe() | ||
| defer p1.Close() | ||
| defer p2.Close() | ||
|
|
||
| errCh := make(chan error) | ||
| streamMsg := make(chan *cstructs.StreamErrWrapper) | ||
|
|
||
| go handler(p2) | ||
|
|
||
| // Start decoder | ||
| go func() { | ||
| decoder := codec.NewDecoder(p1, structs.MsgpackHandle) | ||
| for { | ||
| var msg cstructs.StreamErrWrapper | ||
| if err := decoder.Decode(&msg); err != nil { | ||
| if err == io.EOF || strings.Contains(err.Error(), "closed") { | ||
| return | ||
| } | ||
| errCh <- fmt.Errorf("error decoding: %v", err) | ||
| } | ||
|
|
||
| streamMsg <- &msg | ||
| } | ||
| }() | ||
|
|
||
| // send request | ||
| encoder := codec.NewEncoder(p1, structs.MsgpackHandle) | ||
| require.Nil(encoder.Encode(req)) | ||
|
|
||
| timeout := time.After(1 * time.Second) | ||
| expected := "[DEBUG]" | ||
| received := "" | ||
|
|
||
| OUTER: | ||
| for { | ||
| select { | ||
| case <-timeout: | ||
| t.Fatal("timeout waiting for logs") | ||
| case err := <-errCh: | ||
| t.Fatal(err) | ||
| case msg := <-streamMsg: | ||
| if msg.Error != nil { | ||
| t.Fatalf("Got error: %v", msg.Error.Error()) | ||
| } | ||
|
|
||
| received += string(msg.Payload) | ||
| if strings.Contains(received, expected) { | ||
| require.Nil(p2.Close()) | ||
| break OUTER | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func TestMonitor_MonitorServer(t *testing.T) { | ||
| t.Parallel() | ||
| require := require.New(t) | ||
|
|
||
| // start server and client | ||
| s := TestServer(t, nil) | ||
| defer s.Shutdown() | ||
| testutil.WaitForLeader(t, s.RPC) | ||
|
|
||
| // No node ID to monitor the remote server | ||
| req := cstructs.MonitorRequest{ | ||
| LogLevel: "debug", | ||
| } | ||
|
|
||
| handler, err := s.StreamingRpcHandler("Agent.Monitor") | ||
| require.Nil(err) | ||
|
|
||
| // create pipe | ||
| p1, p2 := net.Pipe() | ||
| defer p1.Close() | ||
| defer p2.Close() | ||
|
|
||
| errCh := make(chan error) | ||
| streamMsg := make(chan *cstructs.StreamErrWrapper) | ||
|
|
||
| go handler(p2) | ||
|
|
||
| // Start decoder | ||
| go func() { | ||
| decoder := codec.NewDecoder(p1, structs.MsgpackHandle) | ||
| for { | ||
| var msg cstructs.StreamErrWrapper | ||
| if err := decoder.Decode(&msg); err != nil { | ||
| if err == io.EOF || strings.Contains(err.Error(), "closed") { | ||
| return | ||
| } | ||
| errCh <- fmt.Errorf("error decoding: %v", err) | ||
| } | ||
|
|
||
| streamMsg <- &msg | ||
| } | ||
| }() | ||
|
|
||
| // send request | ||
| encoder := codec.NewEncoder(p1, structs.MsgpackHandle) | ||
| require.Nil(encoder.Encode(req)) | ||
|
|
||
| timeout := time.After(1 * time.Second) | ||
| expected := "[DEBUG]" | ||
| received := "" | ||
|
|
||
| // send logs | ||
| go func() { | ||
| for { | ||
| s.logger.Debug("test log") | ||
| time.Sleep(100 * time.Millisecond) | ||
| } | ||
| }() | ||
|
|
||
| OUTER: | ||
| for { | ||
| select { | ||
| case <-timeout: | ||
| t.Fatal("timeout waiting for logs") | ||
| case err := <-errCh: | ||
| t.Fatal(err) | ||
| case msg := <-streamMsg: | ||
| if msg.Error != nil { | ||
| t.Fatalf("Got error: %v", msg.Error.Error()) | ||
| } | ||
|
|
||
| received += string(msg.Payload) | ||
| if strings.Contains(received, expected) { | ||
| require.Nil(p2.Close()) | ||
| break OUTER | ||
| } | ||
| } | ||
| } | ||
| } |