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| 1 | +import {EFlag} from '../../../types/api/enums'; |
| 2 | +import type { |
| 3 | + TEndpoint, |
| 4 | + TNodeInfo, |
| 5 | + TNodesInfo, |
| 6 | + TPoolStats, |
| 7 | + TSystemStateInfo, |
| 8 | +} from '../../../types/api/nodes'; |
| 9 | +import {TPDiskState} from '../../../types/api/pdisk'; |
| 10 | +import {EVDiskState} from '../../../types/api/vdisk'; |
| 11 | + |
| 12 | +// Different disk sizes to simulate variety (in bytes) |
| 13 | +const DISK_SIZES = [ |
| 14 | + '68719476736', // 64 GB |
| 15 | + '137438953472', // 128 GB |
| 16 | + '274877906944', // 256 GB |
| 17 | + '549755813888', // 512 GB |
| 18 | + '1099511627776', // 1 TB |
| 19 | +]; |
| 20 | + |
| 21 | +const getRandomDiskSize = () => DISK_SIZES[Math.floor(Math.random() * DISK_SIZES.length)]; |
| 22 | + |
| 23 | +const generatePoolStats = (count = 5): TPoolStats[] => { |
| 24 | + const poolNames = ['System', 'User', 'Batch', 'IO', 'IC'] as const; |
| 25 | + return poolNames.slice(0, count).map((Name) => ({ |
| 26 | + Name, |
| 27 | + Usage: Math.random() * 0.02, |
| 28 | + Threads: Math.floor(Math.random() * 3) + 1, |
| 29 | + })); |
| 30 | +}; |
| 31 | + |
| 32 | +const generateEndpoints = (): TEndpoint[] => [ |
| 33 | + {Name: 'ic', Address: ':19001'}, |
| 34 | + {Name: 'http-mon', Address: ':8765'}, |
| 35 | + {Name: 'grpcs', Address: ':2135'}, |
| 36 | + {Name: 'grpc', Address: ':2136'}, |
| 37 | +]; |
| 38 | + |
| 39 | +const generateSystemState = (nodeId: number): TSystemStateInfo => ({ |
| 40 | + StartTime: '1734358137851', |
| 41 | + ChangeTime: '1734358421375', |
| 42 | + LoadAverage: [3.381347656, 2.489257813, 1.279296875], |
| 43 | + NumberOfCpus: 8, |
| 44 | + SystemState: EFlag.Green, |
| 45 | + NodeId: nodeId, |
| 46 | + Host: `localhost-${nodeId}`, |
| 47 | + Version: 'main.95ce0df', |
| 48 | + PoolStats: generatePoolStats(), |
| 49 | + Endpoints: generateEndpoints(), |
| 50 | + Roles: ['Bootstrapper', 'StateStorage', 'StateStorageBoard', 'SchemeBoard', 'Storage'], |
| 51 | + MemoryLimit: '2147483648', |
| 52 | + MaxDiskUsage: 0.002349853516, |
| 53 | + Location: { |
| 54 | + DataCenter: '1', |
| 55 | + Rack: '1', |
| 56 | + Unit: '1', |
| 57 | + }, |
| 58 | + TotalSessions: 0, |
| 59 | + CoresUsed: 0.07583969556, |
| 60 | + CoresTotal: 8, |
| 61 | +}); |
| 62 | + |
| 63 | +const generatePDisk = (nodeId: number, pdiskId: number, totalSize = '68719476736') => ({ |
| 64 | + PDiskId: pdiskId, |
| 65 | + ChangeTime: '1734358142074', |
| 66 | + Path: `/ydb_data/pdisk${pdiskId}l3ki78no.data`, |
| 67 | + Guid: pdiskId.toString(), |
| 68 | + Category: '0', |
| 69 | + TotalSize: totalSize, |
| 70 | + AvailableSize: (Number(totalSize) * 0.9).toString(), // 90% available by default |
| 71 | + State: TPDiskState.Normal, |
| 72 | + NodeId: nodeId, |
| 73 | + Device: EFlag.Green, |
| 74 | + Realtime: EFlag.Green, |
| 75 | + SerialNumber: '', |
| 76 | + SystemSize: '213909504', |
| 77 | + LogUsedSize: '35651584', |
| 78 | + LogTotalSize: '68486692864', |
| 79 | + EnforcedDynamicSlotSize: '22817013760', |
| 80 | +}); |
| 81 | + |
| 82 | +const generateVDisk = (nodeId: number, vdiskId: number, pdiskId: number) => ({ |
| 83 | + VDiskId: { |
| 84 | + GroupID: vdiskId, |
| 85 | + GroupGeneration: 1, |
| 86 | + Ring: 0, |
| 87 | + Domain: 0, |
| 88 | + VDisk: 0, |
| 89 | + }, |
| 90 | + ChangeTime: '1734358420919', |
| 91 | + PDiskId: pdiskId, |
| 92 | + VDiskSlotId: vdiskId, |
| 93 | + Guid: '1', |
| 94 | + Kind: '0', |
| 95 | + NodeId: nodeId, |
| 96 | + VDiskState: EVDiskState.OK, |
| 97 | + DiskSpace: EFlag.Green, |
| 98 | + SatisfactionRank: { |
| 99 | + FreshRank: { |
| 100 | + Flag: EFlag.Green, |
| 101 | + }, |
| 102 | + LevelRank: { |
| 103 | + Flag: EFlag.Green, |
| 104 | + }, |
| 105 | + }, |
| 106 | + Replicated: true, |
| 107 | + ReplicationProgress: 1, |
| 108 | + ReplicationSecondsRemaining: 0, |
| 109 | + AllocatedSize: '0', |
| 110 | + AvailableSize: '22817013760', |
| 111 | + HasUnreadableBlobs: false, |
| 112 | + IncarnationGuid: '11528832187803248876', |
| 113 | + InstanceGuid: '14836434871903384493', |
| 114 | + FrontQueues: EFlag.Green, |
| 115 | + StoragePoolName: 'static', |
| 116 | + ReadThroughput: '0', |
| 117 | + WriteThroughput: '420', |
| 118 | +}); |
| 119 | + |
| 120 | +interface NodeGeneratorOptions { |
| 121 | + maxVdisksPerPDisk?: number; |
| 122 | + maxPdisks?: number; |
| 123 | +} |
| 124 | + |
| 125 | +const DEFAULT_OPTIONS: NodeGeneratorOptions = { |
| 126 | + maxVdisksPerPDisk: 3, |
| 127 | + maxPdisks: 4, |
| 128 | +}; |
| 129 | + |
| 130 | +const generateNode = (nodeId: number, options: NodeGeneratorOptions = {}): TNodeInfo => { |
| 131 | + const maxPdisks = options.maxPdisks ?? DEFAULT_OPTIONS.maxPdisks!; |
| 132 | + const maxVdisksPerPDisk = options.maxVdisksPerPDisk ?? DEFAULT_OPTIONS.maxVdisksPerPDisk!; |
| 133 | + |
| 134 | + // Generate a random number of pdisks up to maxPdisks |
| 135 | + const pdisksCount = Math.floor(Math.random() * maxPdisks) + 1; |
| 136 | + |
| 137 | + // For each pdisk, generate a random number of vdisks up to maxVdisksPerPDisk |
| 138 | + const pdiskVdisksCounts = Array.from({length: pdisksCount}, () => |
| 139 | + Math.floor(Math.random() * maxVdisksPerPDisk), |
| 140 | + ); |
| 141 | + const totalVdisks = pdiskVdisksCounts.reduce((sum: number, count: number) => sum + count, 0); |
| 142 | + |
| 143 | + return { |
| 144 | + NodeId: nodeId, |
| 145 | + UptimeSeconds: 284, |
| 146 | + CpuUsage: 0.00947996, |
| 147 | + DiskSpaceUsage: 0.234985, |
| 148 | + SystemState: generateSystemState(nodeId), |
| 149 | + PDisks: Array.from({length: pdisksCount}, (_, i) => |
| 150 | + generatePDisk(nodeId, i + 1, getRandomDiskSize()), |
| 151 | + ), |
| 152 | + VDisks: Array.from({length: totalVdisks}, (_, i) => { |
| 153 | + // Find which pdisk this vdisk belongs to based on the distribution |
| 154 | + let pdiskIndex = 0; |
| 155 | + let vdiskCount = pdiskVdisksCounts[0]; |
| 156 | + while (i >= vdiskCount && pdiskIndex < pdisksCount - 1) { |
| 157 | + pdiskIndex++; |
| 158 | + vdiskCount += pdiskVdisksCounts[pdiskIndex]; |
| 159 | + } |
| 160 | + return generateVDisk(nodeId, i, pdiskIndex + 1); |
| 161 | + }), |
| 162 | + }; |
| 163 | +}; |
| 164 | + |
| 165 | +export const generateNodes = (count = 1, options?: NodeGeneratorOptions): TNodesInfo => { |
| 166 | + const nodes = Array.from({length: count}, (_, i) => generateNode(i + 1, options)); |
| 167 | + |
| 168 | + // Calculate MaximumSlotsPerDisk as the maximum number of vdisks on any pdisk |
| 169 | + let maxSlotsPerDisk = 0; |
| 170 | + nodes.forEach((node) => { |
| 171 | + if (node.VDisks) { |
| 172 | + const pdiskVdiskCounts = new Map<number, number>(); |
| 173 | + node.VDisks.forEach((vdisk) => { |
| 174 | + if (typeof vdisk.PDiskId === 'number') { |
| 175 | + const count = (pdiskVdiskCounts.get(vdisk.PDiskId) || 0) + 1; |
| 176 | + pdiskVdiskCounts.set(vdisk.PDiskId, count); |
| 177 | + maxSlotsPerDisk = Math.max(maxSlotsPerDisk, count); |
| 178 | + } |
| 179 | + }); |
| 180 | + } |
| 181 | + }); |
| 182 | + |
| 183 | + return { |
| 184 | + TotalNodes: count.toString(), |
| 185 | + FoundNodes: count.toString(), |
| 186 | + Nodes: nodes, |
| 187 | + MaximumSlotsPerDisk: maxSlotsPerDisk.toString(), |
| 188 | + }; |
| 189 | +}; |
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