SERVER-30715 print replSetConfig in rotateLogs

(cherry picked from commit 033086469e2bb85795576ea9748d4dda2915fb5b)

2 files changed, 22 insertions, 1 deletions

diff --git a/src/mongo/db/SConscript b/src/mongo/db/SConscript
index e2be152f126..893d352854d 100644
--- a/src/mongo/db/SConscript
+++ b/src/mongo/db/SConscript
@@ -766,9 +766,12 @@ env.Library(
         'log_process_details.cpp',
     ],
     LIBDEPS=[
+        'repl/repl_coordinator_global',
+        'repl/repl_coordinator_interface',
+        'repl/replica_set_messages',
+        'server_options',
         '$BUILD_DIR/mongo/base',
         '$BUILD_DIR/mongo/util/net/network',
-        'server_options',
     ],
 )
 
@@ -818,3 +821,4 @@ asioEnv.CppIntegrationTest(
         '$BUILD_DIR/mongo/executor/network_interface_asio_fixture',
     ],
 )
+
diff --git a/src/mongo/db/log_process_details.cpp b/src/mongo/db/log_process_details.cpp
index 125106fd331..ea6e9d945a8 100644
--- a/src/mongo/db/log_process_details.cpp
+++ b/src/mongo/db/log_process_details.cpp
@@ -34,6 +34,9 @@
 
 #include "mongo/db/log_process_details.h"
 
+#include "mongo/db/repl/repl_set_config.h"
+#include "mongo/db/repl/replication_coordinator.h"
+#include "mongo/db/repl/replication_coordinator_global.h"
 #include "mongo/db/server_options.h"
 #include "mongo/db/server_options_helpers.h"
 #include "mongo/util/log.h"
@@ -51,6 +54,7 @@ void logProcessDetails() {
     auto&& vii = VersionInfoInterface::instance();
     log() << mongodVersion(vii);
     vii.logBuildInfo();
+
     printCommandLineOpts();
 }
 
@@ -59,6 +63,19 @@ void logProcessDetailsForLogRotate() {
           << (is32bit() ? " 32" : " 64") << "-bit "
           << "host=" << getHostNameCached();
 
+    auto replCoord = repl::getGlobalReplicationCoordinator();
+    if (replCoord != nullptr &&
+        replCoord->getReplicationMode() == repl::ReplicationCoordinator::modeReplSet) {
+        auto rsConfig = replCoord->getConfig();
+
+        if (rsConfig.isInitialized()) {
+            log() << "Replica Set Config: " << rsConfig.toBSON();
+            log() << "Replica Set Member State: " << (replCoord->getMemberState()).toString();
+        } else {
+            log() << "Node currently has no Replica Set Config.";
+        }
+    }
+
     logProcessDetails();
 }