1 files changed, 58 insertions, 0 deletions
diff --git a/internal/server/handlers/healthhandler.go b/internal/server/handlers/healthhandler.go
new file mode 100644
index 0000000..6dd9872
--- /dev/null
+++ b/internal/server/handlers/healthhandler.go
@@ -0,0 +1,58 @@
+package handlers
+
+import (
+	"context"
+	"os"
+	"strings"
+
+	"github.com/mimecast/dtail/internal"
+	"github.com/mimecast/dtail/internal/io/dlog"
+	"github.com/mimecast/dtail/internal/io/line"
+	"github.com/mimecast/dtail/internal/lcontext"
+	user "github.com/mimecast/dtail/internal/user/server"
+)
+
+// HealthHandler is for the remote health check.
+type HealthHandler struct {
+	baseHandler
+}
+
+// NewHealthHandler returns the server handler.
+func NewHealthHandler(user *user.User) *HealthHandler {
+	dlog.Server.Debug(user, "Creating new server health handler")
+	h := HealthHandler{
+		baseHandler: baseHandler{
+			done:             internal.NewDone(),
+			lines:            make(chan line.Line, 100),
+			serverMessages:   make(chan string, 10),
+			maprMessages:     make(chan string, 10),
+			ackCloseReceived: make(chan struct{}),
+			user:             user,
+		},
+	}
+	h.handleCommandCb = h.handleHealthCommand
+
+	fqdn, err := os.Hostname()
+	if err != nil {
+		dlog.Server.FatalPanic(err)
+	}
+	s := strings.Split(fqdn, ".")
+	h.hostname = s[0]
+	return &h
+}
+
+func (h *HealthHandler) handleHealthCommand(ctx context.Context,
+	ltx lcontext.LContext, argc int, args []string, commandName string) {
+
+	dlog.Server.Debug(h.user, "Handling health command", argc, args)
+	switch commandName {
+	case "health":
+		h.send(h.serverMessages, "OK")
+	case ".ack":
+		h.handleAckCommand(argc, args)
+	default:
+		h.send(h.serverMessages, dlog.Server.Error(h.user,
+			"Received unknown health command", commandName, argc, args))
+	}
+	h.shutdown()
+}