24-3: Add evict vdisks for a rack (#9740)

ydb/core/cms/cms_ut.cpp

@@ -1808,6 +1808,51 @@ Y_UNIT_TEST_SUITE(TCmsTest) {
         env.CheckRejectRequest("user", request3.GetRequestId());
     }
 
+    Y_UNIT_TEST(AllVDisksEvictionInRack)
+    {
+        auto opts = TTestEnvOpts(8)
+            .WithSentinel()
+            .WithNodeLocationCallback([](ui32 nodeId) {
+                NActorsInterconnect::TNodeLocation location;
+                location.SetRack(ToString(nodeId / 2 + 1));
+                return TNodeLocation(location); // Node = [0, 1, 2, 3, 4, 5, 6, 7]
+                                                // Rack = [1, 1, 2, 2, 3, 3, 4, 4]
+            });
+        TCmsTestEnv env(opts);
+        env.SetLogPriority(NKikimrServices::CMS, NLog::PRI_DEBUG);
+
+        // Evict all VDisks from rack 1
+        auto request1 = env.CheckPermissionRequest(
+            MakePermissionRequest(TRequestOptions("user").WithEvictVDisks(),
+                MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(0), 600000000, "storage")
+            ),
+            TStatus::DISALLOW_TEMP // ok, waiting for move VDisks
+        );
+        auto request2 = env.CheckPermissionRequest(
+            MakePermissionRequest(TRequestOptions("user").WithEvictVDisks(),
+                MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(1), 600000000, "storage")
+            ),
+            TStatus::DISALLOW_TEMP // ok, waiting for move VDisks
+        );
+
+        // Check that FAULTY BSC requests are sent
+        env.CheckBSCUpdateRequests({ env.GetNodeId(0), env.GetNodeId(1) }, NKikimrBlobStorage::FAULTY);
+
+        // "Move" VDisks from rack 1
+        auto& node1 = TFakeNodeWhiteboardService::Info[env.GetNodeId(0)];
+        node1.VDisksMoved = true;
+        node1.VDiskStateInfo.clear();
+        auto& node2 = TFakeNodeWhiteboardService::Info[env.GetNodeId(1)];
+        node2.VDisksMoved = true;
+        node2.VDiskStateInfo.clear();
+        env.RegenerateBSConfig(TFakeNodeWhiteboardService::Config.MutableResponse()->MutableStatus(0)->MutableBaseConfig(), opts);
+
+        auto permission1 = env.CheckRequest("user", request1.GetRequestId(), false, TStatus::ALLOW, 1);
+        auto permission2 = env.CheckRequest("user", request2.GetRequestId(), false, TStatus::ALLOW, 1);
+        env.CheckDonePermission("user", permission1.GetPermissions(0).GetId());
+        env.CheckDonePermission("user", permission2.GetPermissions(0).GetId());
+    }
+
     Y_UNIT_TEST(EmergencyDuringRollingRestart)
     {
         TCmsTestEnv env(TTestEnvOpts(8).WithEnableCMSRequestPriorities());

ydb/core/cms/cms_ut_common.cpp

@@ -29,6 +29,17 @@ const bool ENABLE_DETAILED_CMS_LOG = true;
 const bool ENABLE_DETAILED_CMS_LOG = false;
 #endif
 
+#define COMMA ,
+Y_DECLARE_OUT_SPEC(, std::map<NKikimrBlobStorage::EDriveStatus COMMA std::set<ui32>>, o, value) {
+    std::vector<TString> pairs;
+    for (const auto& [status, nodes] : value) {
+        pairs.push_back(
+            TStringBuilder() << status  << "=" << '[' << JoinSeq(',', nodes) << ']'
+        );
+    }
+    o << '[' << JoinSeq(',', pairs) << ']';
+};
+
 namespace NKikimr {
 namespace NCmsTest {
 
@@ -391,7 +402,7 @@ static NKikimrConfig::TBootstrap GenerateBootstrapConfig(TTestActorRuntime &runt
     return res;
 }
 
-static void SetupServices(TTestActorRuntime &runtime, const TTestEnvOpts &options) {
+static void SetupServices(TTestBasicRuntime &runtime, const TTestEnvOpts &options) {
     const ui32 domainsNum = 1;
     const ui32 disksInDomain = 1;
 
@@ -503,6 +514,7 @@ static void SetupServices(TTestActorRuntime &runtime, const TTestEnvOpts &option
             ),
         0);
 
+    runtime.LocationCallback = options.NodeLocationCallback;
     runtime.Initialize(app.Unwrap());
     auto dnsConfig = new TDynamicNameserviceConfig();
     dnsConfig->MaxStaticNodeId = 1000;
@@ -868,6 +880,39 @@ TCmsTestEnv::CheckRequest(const TString &user,
     return rec;
 }
 
+void TCmsTestEnv::CheckBSCUpdateRequests(std::set<ui32> expectedNodes,
+                                         NKikimrBlobStorage::EDriveStatus expectedStatus)
+{
+    using TBSCRequests = std::map<NKikimrBlobStorage::EDriveStatus, std::set<ui32>>;
+
+    TBSCRequests expectedRequests = { {expectedStatus, expectedNodes} };
+    TBSCRequests actualRequests;
+
+    TDispatchOptions options;
+    options.FinalEvents.emplace_back([&](IEventHandle& ev) {
+        if (ev.GetTypeRewrite() == TEvBlobStorage::TEvControllerConfigRequest::EventType) {
+            const auto& request = ev.Get<TEvBlobStorage::TEvControllerConfigRequest>()->Record;
+            bool foundUpdateDriveCommand = false;
+            for (const auto& command : request.GetRequest().GetCommand()) {
+                if (command.HasUpdateDriveStatus()) {
+                    foundUpdateDriveCommand = true;
+                    const auto& update = command.GetUpdateDriveStatus();
+                    actualRequests[update.GetStatus()].insert(update.GetHostKey().GetNodeId());
+                }
+            }
+            return foundUpdateDriveCommand;
+        }
+        return false;
+    });
+    DispatchEvents(options, TDuration::Minutes(1));
+
+    UNIT_ASSERT_C(
+        actualRequests == expectedRequests,
+        TStringBuilder() << "Sentinel sent wrong update requests to BSC: "
+                        << "expected# " << expectedRequests
+                        << ", actual# " << actualRequests
+    );
+}
 
 void TCmsTestEnv::CheckWalleStoreTaskIsFailed(NCms::TEvCms::TEvStoreWalleTask* req)
 {

ydb/core/cms/cms_ut_common.h

@@ -92,6 +92,9 @@ struct TTestEnvOpts {
     bool EnableCMSRequestPriorities;
     bool EnableSingleCompositeActionGroup;
 
+    using TNodeLocationCallback = std::function<TNodeLocation(ui32)>;
+    TNodeLocationCallback NodeLocationCallback;
+
     TTestEnvOpts() = default;
 
     TTestEnvOpts(ui32 nodeCount, 
@@ -126,6 +129,12 @@ struct TTestEnvOpts {
         EnableCMSRequestPriorities = true;
         return *this;
     }
+
+    TTestEnvOpts& WithNodeLocationCallback(TNodeLocationCallback nodeLocationCallback) {
+        NodeLocationCallback = nodeLocationCallback;
+        return *this;
+    }
+
 };
 
 class TCmsTestEnv : public TTestBasicRuntime {
@@ -323,6 +332,8 @@ class TCmsTestEnv : public TTestBasicRuntime {
         return CheckRequest(user, id, dry, NKikimrCms::MODE_MAX_AVAILABILITY, res, count);
     }
 
+    void CheckBSCUpdateRequests(std::set<ui32> expectedNodes, NKikimrBlobStorage::EDriveStatus expectedStatus);
+
     void CheckWalleStoreTaskIsFailed(NCms::TEvCms::TEvStoreWalleTask *req);
 
     template <typename... Ts>

ydb/core/cms/pdisk_status.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <ydb/core/protos/blobstorage_config.pb.h>
+
+namespace NKikimr::NCms {
+
+using EPDiskStatus = NKikimrBlobStorage::EDriveStatus;
+
+} // namespace NKikimr::NCms

ydb/core/cms/sentinel.cpp

@@ -125,6 +125,10 @@ void TPDiskStatusComputer::SetForcedStatus(EPDiskStatus status) {
     ForcedStatus = status;
 }
 
+bool TPDiskStatusComputer::HasForcedStatus() const {
+    return ForcedStatus.Defined();
+}
+
 void TPDiskStatusComputer::ResetForcedStatus() {
     ForcedStatus.Clear();
 }
@@ -196,6 +200,7 @@ void TPDiskStatus::DisallowChanging() {
 
 TPDiskInfo::TPDiskInfo(EPDiskStatus initialStatus, const ui32& defaultStateLimit, const TLimitsMap& stateLimits)
     : TPDiskStatus(initialStatus, defaultStateLimit, stateLimits)
+    , ActualStatus(initialStatus)
 {
     Touch();
 }
@@ -898,7 +903,7 @@ class TSentinel: public TActorBootstrapped<TSentinel> {
 
             all.AddPDisk(id);
             if (info.IsChanged()) {
-                if (info.IsNewStatusGood()) {
+                if (info.IsNewStatusGood() || info.HasForcedStatus()) {
                     alwaysAllowed.insert(id);
                 } else {
                     changed.AddPDisk(id);

ydb/core/cms/sentinel_impl.h

@@ -3,16 +3,14 @@
 #include "defs.h"
 #include "pdiskid.h"
 #include "pdisk_state.h"
-
-#include <ydb/core/protos/blobstorage_config.pb.h>
+#include "pdisk_status.h"
 
 #include <util/generic/hash.h>
 #include <util/generic/hash_set.h>
 #include <util/generic/map.h>
 
 namespace NKikimr::NCms::NSentinel {
 
-using EPDiskStatus = NKikimrBlobStorage::EDriveStatus;
 using TLimitsMap = TMap<EPDiskState, ui32>;
 
 class TPDiskStatusComputer {
@@ -29,6 +27,7 @@ class TPDiskStatusComputer {
     void Reset();
 
     void SetForcedStatus(EPDiskStatus status);
+    bool HasForcedStatus() const;
     void ResetForcedStatus();
 
 private:
@@ -84,7 +83,7 @@ struct TPDiskInfo
     using EIgnoreReason = NKikimrCms::TPDiskInfo::EIgnoreReason;
 
     EPDiskStatus ActualStatus = EPDiskStatus::ACTIVE;
-    EPDiskStatus PrevStatus = EPDiskStatus::ACTIVE;
+    EPDiskStatus PrevStatus = EPDiskStatus::UNKNOWN;
     TInstant LastStatusChange;
     bool StatusChangeFailed = false;
     // means that this pdisk status change last time was the reason of whole request failure