syntax = "proto3";
option cc_enable_arenas = true;

package Ydb.Monitoring;

option go_package = "github.com/ydb-platform/ydb-go-genproto/protos/Ydb_Monitoring";
option java_package = "tech.ydb.monitoring";
option java_outer_classname = "MonitoringProtos";

import "protos/ydb_operation.proto";

message StatusFlag {
    // Describes the general state of a component.
    // From GREEN to RED, where GREEN is good, and RED is bad.
    // GREY means that the corresponding status is unknown.
    enum Status {
        UNSPECIFIED = 0;
        GREY = 1;
        GREEN = 2;
        BLUE = 3;
        YELLOW = 4;
        ORANGE = 5;
        RED = 6;
    }
}

message SelfCheckRequest {
    Ydb.Operations.OperationParams operation_params = 1; // basic operation params, including timeout
    bool return_verbose_status = 2; // return detailed info about components checked with their statuses
    StatusFlag.Status minimum_status = 3; // minimum status of issues to return
    uint32 maximum_level = 4; // maximum level of issues to return
}

message SelfCheckResponse {
    // After successfull completion must contain SelfCheckResult.
    Ydb.Operations.Operation operation = 1;
}

message NodeCheckRequest {
    Ydb.Operations.OperationParams operation_params = 1; // basic operation params, including timeout
}

message NodeCheckResponse {
    // After successfull completion must contain SelfCheckResult.
    Ydb.Operations.Operation operation = 1;
}

message SelfCheck {
    // Describes the result of self-check performed.
    enum Result {
        UNSPECIFIED = 0;
        GOOD = 1;
        DEGRADED = 2;
        MAINTENANCE_REQUIRED = 3;
        EMERGENCY = 4;
    }
}

message StoragePDiskStatus {
    string id = 1;
    StatusFlag.Status overall = 2;
}

message StorageVDiskStatus {
    string id = 1;
    StatusFlag.Status overall = 2;
    StatusFlag.Status vdisk_status = 3;
    StoragePDiskStatus pdisk = 4;
}

message StorageGroupStatus {
    string id = 1;
    StatusFlag.Status overall = 2;
    repeated StorageVDiskStatus vdisks = 3;
}

message StoragePoolStatus {
    string id = 1;
    StatusFlag.Status overall = 2;
    repeated StorageGroupStatus groups = 3;
}

message StorageStatus {
    StatusFlag.Status overall = 1;
    repeated StoragePoolStatus pools = 2;
}

// Describes the state of a tablet group.
message ComputeTabletStatus {
    StatusFlag.Status overall = 1;
    string type = 2;
    string state = 3;
    uint32 count = 4;
    repeated string id = 5;
}

message ThreadPoolStatus {
    StatusFlag.Status overall = 1;
    string name = 2;
    float usage = 3;
}

message LoadAverageStatus {
    StatusFlag.Status overall = 1;
    float load = 2;
    uint32 cores = 3;
}

message ComputeNodeStatus {
    string id = 1;
    StatusFlag.Status overall = 2;
    repeated ComputeTabletStatus tablets = 3;
    repeated ThreadPoolStatus pools = 4;
    LoadAverageStatus load = 5;
}

message ComputeStatus {
    StatusFlag.Status overall = 1;
    repeated ComputeNodeStatus nodes = 2;
    repeated ComputeTabletStatus tablets = 3;
}

message LocationNode {
    uint32 id = 1;
    string host = 2;
    uint32 port = 3;
}

message LocationStoragePDisk {
    string id = 1;
    string path = 2;
}

message LocationStorageVDisk {
    repeated string id = 1;
    repeated LocationStoragePDisk pdisk = 2;
}

message LocationStorageGroup {
    repeated string id = 1;
    LocationStorageVDisk vdisk = 2;
}

message LocationStoragePool {
    string name = 1;
    LocationStorageGroup group = 2;
}

message LocationStorage {
    LocationNode node = 1;
    LocationStoragePool pool = 2;
}

message LocationComputePool {
    string name = 1;
}

message LocationComputeTablet {
    string type = 1;
    repeated string id = 2;
    uint32 count = 3;
}

message LocationCompute {
    LocationNode node = 1;
    LocationComputePool pool = 2;
    LocationComputeTablet tablet = 3;
}

message LocationDatabase {
    string name = 1;
}

message Location {
    LocationStorage storage = 1;
    LocationCompute compute = 2;
    LocationDatabase database = 3;
}

message IssueLog {
    string id = 1;
    StatusFlag.Status status = 2;
    string message = 3;
    Location location = 4;
    repeated string reason = 5;
    string type = 6;
    uint32 level = 7;
    uint32 listed = 8;
    uint32 count = 9;
}

message DatabaseStatus {
    string name = 1;
    StatusFlag.Status overall = 2;
    StorageStatus storage = 3;
    ComputeStatus compute = 4;
}

message SelfCheckResult {
    SelfCheck.Result self_check_result = 1;
    repeated IssueLog issue_log = 2;
    repeated DatabaseStatus database_status = 3;
}