SERVER-24616 Add new getDiagnosticData command

1 files changed, 95 insertions, 0 deletions

diff --git a/src/mongo/s/commands/cluster_ftdc_commands.cpp b/src/mongo/s/commands/cluster_ftdc_commands.cpp
new file mode 100644
index 00000000000..bfe339198c4
--- /dev/null
+++ b/src/mongo/s/commands/cluster_ftdc_commands.cpp
@@ -0,0 +1,95 @@
+/**
+ * Copyright (C) 2016 MongoDB Inc.
+ *
+ * This program is free software: you can redistribute it and/or  modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, the copyright holders give permission to link the
+ * code of portions of this program with the OpenSSL library under certain
+ * conditions as described in each individual source file and distribute
+ * linked combinations including the program with the OpenSSL library. You
+ * must comply with the GNU Affero General Public License in all respects
+ * for all of the code used other than as permitted herein. If you modify
+ * file(s) with this exception, you may extend this exception to your
+ * version of the file(s), but you are not obligated to do so. If you do not
+ * wish to do so, delete this exception statement from your version. If you
+ * delete this exception statement from all source files in the program,
+ * then also delete it in the license file.
+ */
+
+#include "mongo/platform/basic.h"
+
+#include "mongo/base/init.h"
+#include "mongo/db/auth/action_type.h"
+#include "mongo/db/auth/authorization_session.h"
+#include "mongo/db/client.h"
+#include "mongo/db/commands.h"
+#include "mongo/db/ftdc/controller.h"
+#include "mongo/db/jsobj.h"
+#include "mongo/db/operation_context.h"
+
+namespace mongo {
+namespace {
+
+/**
+ * getDiagnosticData is a MongoD only command. We implement in MongoS to give users a better error
+ * message.
+ */
+class GetDiagnosticDataCommand final : public Command {
+public:
+    GetDiagnosticDataCommand() : Command("getDiagnosticData") {}
+
+    bool adminOnly() const override {
+        return true;
+    }
+
+    void help(std::stringstream& help) const override {
+        help << "get latest diagnostic data collection snapshot";
+    }
+
+    bool slaveOk() const override {
+        return true;
+    }
+
+    bool supportsWriteConcern(const BSONObj& cmd) const override {
+        return false;
+    }
+
+    Status checkAuthForCommand(ClientBasic* client,
+                               const std::string& dbname,
+                               const BSONObj& cmdObj) override {
+        return Status::OK();
+    }
+
+    bool run(OperationContext* txn,
+             const std::string& db,
+             BSONObj& cmdObj,
+             int options,
+             std::string& errmsg,
+             BSONObjBuilder& result) override {
+
+        errmsg = "getDiagnosticData not allowed through mongos";
+
+        return false;
+    }
+};
+
+Command* ftdcCommand;
+
+MONGO_INITIALIZER(CreateDiagnosticDataCommand)(InitializerContext* context) {
+    ftdcCommand = new GetDiagnosticDataCommand();
+
+    return Status::OK();
+}
+
+}  // namespace
+}  // namespace mongo