feat(backup): 1. remove pervious implementation (#1956)

This pr removes some previous backup implementation, because the enhancement code
is strongly different with the current one. Besides, this pr also disable related unit tests
and function tests.

src/meta/meta_http_service.cpp

@@ -26,7 +26,6 @@
 #include <unordered_map>
 #include <utility>
 
-#include "backup_types.h"
 #include "bulk_load_types.h"
 #include "common//duplication_common.h"
 #include "common/bulk_load_common.h"
@@ -39,9 +38,7 @@
 #include "duplication_types.h"
 #include "http/http_status_code.h"
 #include "meta/duplication/meta_duplication_service.h"
-#include "meta/meta_backup_service.h"
 #include "meta/meta_bulk_load_service.h"
-#include "meta/meta_rpc_types.h"
 #include "meta/meta_service.h"
 #include "meta_admin_types.h"
 #include "meta_http_service.h"
@@ -553,54 +550,8 @@ std::string set_to_string(const std::set<int32_t> &s)
     return out.str();
 }
 
-void meta_http_service::query_backup_policy_handler(const http_request &req, http_response &resp)
-{
-    if (!redirect_if_not_primary(req, resp))
-        return;
-
-    if (_service->_backup_handler == nullptr) {
-        resp.body = "cold_backup_disabled";
-        resp.status_code = http_status_code::kNotFound;
-        return;
-    }
-    auto request = std::make_unique<configuration_query_backup_policy_request>();
-    std::vector<std::string> policy_names;
-    for (const auto &p : req.query_args) {
-        if (p.first == "name") {
-            policy_names.push_back(p.second);
-        } else {
-            resp.body = "Invalid parameter";
-            resp.status_code = http_status_code::kBadRequest;
-            return;
-        }
-    }
-    request->policy_names = std::move(policy_names);
-    query_backup_policy_rpc http_to_rpc(std::move(request), LPC_DEFAULT_CALLBACK);
-    _service->_backup_handler->query_backup_policy(http_to_rpc);
-    auto rpc_return = http_to_rpc.response();
-
-    dsn::utils::table_printer tp_query_backup_policy;
-    tp_query_backup_policy.add_title("name");
-    tp_query_backup_policy.add_column("backup_provider_type");
-    tp_query_backup_policy.add_column("backup_interval");
-    tp_query_backup_policy.add_column("app_ids");
-    tp_query_backup_policy.add_column("start_time");
-    tp_query_backup_policy.add_column("status");
-    tp_query_backup_policy.add_column("backup_history_count");
-    for (const auto &cur_policy : rpc_return.policys) {
-        tp_query_backup_policy.add_row(cur_policy.policy_name);
-        tp_query_backup_policy.append_data(cur_policy.backup_provider_type);
-        tp_query_backup_policy.append_data(cur_policy.backup_interval_seconds);
-        tp_query_backup_policy.append_data(set_to_string(cur_policy.app_ids));
-        tp_query_backup_policy.append_data(cur_policy.start_time);
-        tp_query_backup_policy.append_data(cur_policy.is_disable ? "disabled" : "enabled");
-        tp_query_backup_policy.append_data(cur_policy.backup_history_count_to_keep);
-    }
-    std::ostringstream out;
-    tp_query_backup_policy.output(out, dsn::utils::table_printer::output_format::kJsonCompact);
-    resp.body = out.str();
-    resp.status_code = http_status_code::kOk;
-}
+// TODO(heyuchen): implement it
+void meta_http_service::query_backup_policy_handler(const http_request &req, http_response &resp) {}
 
 void meta_http_service::query_duplication_handler(const http_request &req, http_response &resp)
 {

src/meta/meta_service.cpp

@@ -440,8 +440,7 @@ error_code meta_service::start()
         _backup_handler = std::make_shared<backup_service>(
             this,
             utils::filesystem::concat_path_unix_style(_cluster_root, "backup"),
-            FLAGS_cold_backup_root,
-            [](backup_service *bs) { return std::make_shared<policy_context>(bs); });
+            FLAGS_cold_backup_root);
     }
 
     _bulk_load_svc = std::make_unique<bulk_load_service>(
@@ -902,59 +901,14 @@ void meta_service::on_start_restore(dsn::message_ex *req)
         LPC_RESTORE_BACKGROUND, nullptr, std::bind(&server_state::restore_app, _state.get(), req));
 }
 
-void meta_service::on_add_backup_policy(dsn::message_ex *req)
-{
-    configuration_add_backup_policy_response response;
-    if (!check_status_and_authz_with_reply(req, response)) {
-        return;
-    }
+// TODO(heyuchen): implement it
+void meta_service::on_add_backup_policy(dsn::message_ex *req) {}
 
-    if (_backup_handler == nullptr) {
-        LOG_ERROR("meta doesn't enable backup service");
-        response.err = ERR_SERVICE_NOT_ACTIVE;
-        reply(req, response);
-    } else {
-        req->add_ref();
-        tasking::enqueue(LPC_DEFAULT_CALLBACK,
-                         nullptr,
-                         std::bind(&backup_service::add_backup_policy, _backup_handler.get(), req));
-    }
-}
+// TODO(heyuchen): implement it
+void meta_service::on_query_backup_policy(query_backup_policy_rpc policy_rpc) {}
 
-void meta_service::on_query_backup_policy(query_backup_policy_rpc policy_rpc)
-{
-    if (!check_status_and_authz(policy_rpc)) {
-        return;
-    }
-
-    auto &response = policy_rpc.response();
-    if (_backup_handler == nullptr) {
-        LOG_ERROR("meta doesn't enable backup service");
-        response.err = ERR_SERVICE_NOT_ACTIVE;
-    } else {
-        tasking::enqueue(
-            LPC_DEFAULT_CALLBACK,
-            nullptr,
-            std::bind(&backup_service::query_backup_policy, _backup_handler.get(), policy_rpc));
-    }
-}
-
-void meta_service::on_modify_backup_policy(configuration_modify_backup_policy_rpc rpc)
-{
-    if (!check_status_and_authz(rpc)) {
-        return;
-    }
-
-    if (_backup_handler == nullptr) {
-        LOG_ERROR("meta doesn't enable backup service");
-        rpc.response().err = ERR_SERVICE_NOT_ACTIVE;
-    } else {
-        tasking::enqueue(
-            LPC_DEFAULT_CALLBACK,
-            nullptr,
-            std::bind(&backup_service::modify_backup_policy, _backup_handler.get(), rpc));
-    }
-}
+// TODO(heyuchen): implement it
+void meta_service::on_modify_backup_policy(configuration_modify_backup_policy_rpc rpc) {}
 
 void meta_service::on_report_restore_status(configuration_report_restore_status_rpc rpc)
 {
@@ -1256,27 +1210,11 @@ void meta_service::on_clear_bulk_load(clear_bulk_load_rpc rpc)
                      server_state::sStateHash);
 }
 
-void meta_service::on_start_backup_app(start_backup_app_rpc rpc)
-{
-    CHECK_APP_ID_STATUS_AND_AUTHZ(rpc.request().app_id);
-    if (_backup_handler == nullptr) {
-        LOG_ERROR("meta doesn't enable backup service");
-        rpc.response().err = ERR_SERVICE_NOT_ACTIVE;
-        return;
-    }
-    _backup_handler->start_backup_app(std::move(rpc));
-}
+// TODO(heyuchen): implement it
+void meta_service::on_start_backup_app(start_backup_app_rpc rpc) {}
 
-void meta_service::on_query_backup_status(query_backup_status_rpc rpc)
-{
-    CHECK_APP_ID_STATUS_AND_AUTHZ(rpc.request().app_id);
-    if (_backup_handler == nullptr) {
-        LOG_ERROR("meta doesn't enable backup service");
-        rpc.response().err = ERR_SERVICE_NOT_ACTIVE;
-        return;
-    }
-    _backup_handler->query_backup_status(std::move(rpc));
-}
+// TODO(heyuchen): implement it
+void meta_service::on_query_backup_status(query_backup_status_rpc rpc) {}
 
 size_t meta_service::get_alive_node_count() const
 {

src/meta/meta_service.h

@@ -319,11 +319,12 @@ class meta_service : public serverlet<meta_service>
     bool check_freeze() const;
 
 private:
-    friend class backup_engine_test;
-    friend class backup_service_test;
+    // TODO(heyuchen): update it
+    //    friend class backup_engine_test;
+    //    friend class backup_service_test;
     friend class bulk_load_service_test;
-    friend class meta_backup_service_test;
-    friend class meta_backup_test_base;
+    //    friend class meta_backup_service_test;
+    //    friend class meta_backup_test_base;
     friend class meta_duplication_service;
     friend class meta_http_service;
     friend class meta_http_service_test;