SERVER-46648 Make _killOperations command kill cursors

(cherry picked from commit 29798df747882fcb02fe98178d42ade0b9a0da52)

1 files changed, 116 insertions, 0 deletions

diff --git a/src/mongo/db/commands/killoperations_common.h b/src/mongo/db/commands/killoperations_common.h
new file mode 100644
index 00000000000..faf0f7bea5c
--- /dev/null
+++ b/src/mongo/db/commands/killoperations_common.h
@@ -0,0 +1,116 @@
+/**
+ *    Copyright (C) 2020-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    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
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    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 Server Side 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.
+ */
+
+#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kCommand
+
+#include "mongo/platform/basic.h"
+
+#include "mongo/db/commands/kill_operations_gen.h"
+
+#include <fmt/format.h>
+
+#include "mongo/base/init.h"
+#include "mongo/base/status.h"
+#include "mongo/bson/util/bson_extract.h"
+#include "mongo/db/auth/authorization_session.h"
+#include "mongo/db/client.h"
+#include "mongo/db/commands.h"
+#include "mongo/db/commands/test_commands_enabled.h"
+#include "mongo/db/operation_context.h"
+#include "mongo/db/operation_killer.h"
+#include "mongo/db/service_context.h"
+#include "mongo/logv2/log.h"
+
+namespace mongo {
+
+template <typename Derived>
+class KillOperationsCmdBase : public TypedCommand<Derived> {
+public:
+    using Request = KillOperationsRequest;
+
+    class Invocation final : public TypedCommand<Derived>::InvocationBase {
+    public:
+        using Base = typename TypedCommand<Derived>::InvocationBase;
+        using Base::Base;
+
+        void typedRun(OperationContext* opCtx) {
+            auto opKiller = OperationKiller(opCtx->getClient());
+            auto opKeys = Base::request().getOperationKeys();
+
+            for (auto& opKey : opKeys) {
+                LOGV2(46156011, "Attempting to kill operation", "operationKey"_attr = opKey);
+                opKiller.killOperation(OperationKey(opKey));
+            }
+            Derived::killCursors(opCtx, opKeys);
+        }
+
+    private:
+        NamespaceString ns() const override {
+            return NamespaceString(Base::request().getDbName(), "");
+        }
+
+        bool supportsWriteConcern() const override {
+            return false;
+        }
+
+        void doCheckAuthorization(OperationContext* opCtx) const override {
+            auto client = opCtx->getClient();
+            auto isInternal = AuthorizationSession::get(client)->isAuthorizedForActionsOnResource(
+                ResourcePattern::forClusterResource(), ActionType::internal);
+            if (!getTestCommandsEnabled() && !isInternal) {
+                // Either the mongod/mongos must be in testing mode or this command must come from
+                // an internal user
+                uasserted(ErrorCodes::IllegalOperation,
+                          "_killOperations is only to be used by internal users");
+            }
+
+            auto opKiller = OperationKiller(client);
+            if (!opKiller.isGenerallyAuthorizedToKill()) {
+                // While it's feasible to have coauthorized killers, for now this is intended for
+                // internal use, so general kill auth is implied.
+                uasserted(ErrorCodes::Unauthorized, "Unauthorized");
+            }
+        }
+    };
+
+private:
+    Command::AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
+        return Command::AllowedOnSecondary::kAlways;
+    }
+
+    bool adminOnly() const override {
+        return true;
+    }
+
+    std::string help() const override {
+        return "Internal command -- Kill operations on the target server by OperationKey.";
+    }
+};
+
+}  // namespace mongo