Get agent replay test working with passed in switch state and config

Summary:
Disable link state toggler for this test. We don't want to
toggle and start with all ports as UP in this test.

Reviewed By: zechengh09

Differential Revision: D61427089

fbshipit-source-id: e921d2b2af3f044ea1315a219b38082210a2cf0b

fboss/agent/test/AgentHwTest.cpp

@@ -16,6 +16,11 @@ DEFINE_bool(
     false,
     "list production feature needed for every single test");
 
+DEFINE_bool(
+    disable_link_toggler,
+    false,
+    "Used by certain tests where we don't want to bring up ports by toggler");
+
 namespace {
 int kArgc;
 char** kArgv;
@@ -44,7 +49,7 @@ void AgentHwTest::SetUp() {
       [this](const AgentEnsemble& ensemble) { return initialConfig(ensemble); };
   agentEnsemble_ = createAgentEnsemble(
       initialConfigFn,
-      false /*disableLinkStateToggler*/,
+      FLAGS_disable_link_toggler /*disableLinkStateToggler*/,
       platformConfigFn_,
       (HwSwitch::FeaturesDesired::PACKET_RX_DESIRED |
        HwSwitch::FeaturesDesired::LINKSCAN_DESIRED |

fboss/agent/test/agent_hw_tests/AgentSwitchStateReplayTest.cpp

@@ -23,6 +23,8 @@ DEFINE_string(
     replay_switch_state_file,
     "",
     "File for dumping switch state JSON in on exit");
+DECLARE_bool(disable_link_toggler);
+
 using std::string;
 
 namespace facebook::fboss {
@@ -98,6 +100,15 @@ class AgentSwitchStateReplayTest : public AgentHwTest {
     auto verify = [=]() {};
     verifyAcrossWarmBoots(setup, verify);
   }
+
+ private:
+  void setCmdLineFlagOverrides() const override {
+    AgentHwTest::setCmdLineFlagOverrides();
+    // All ports should be visible like in prod
+    FLAGS_hide_fabric_ports = false;
+    // Don't start with bringing up all ports via toggler
+    FLAGS_disable_link_toggler = true;
+  }
 };
 
 TEST_F(AgentSwitchStateReplayTest, test) {