scirs2_core/advanced_distributed_computing/
cluster.rs

1//! Cluster management and node coordination
2//!
3//! This module handles node discovery, health monitoring, topology management,
4//! and cluster metadata for the distributed computing framework.
5
6use super::types::{default_instant, DistributedComputingConfig};
7use crate::error::{CoreError, CoreResult};
8#[cfg(feature = "serialization")]
9use serde::{Deserialize, Serialize};
10use std::collections::HashMap;
11use std::net::SocketAddr;
12use std::time::{Duration, Instant};
13
14/// Cluster management system
15#[derive(Debug)]
16pub struct ClusterManager {
17    /// Registered nodes
18    nodes: HashMap<NodeId, ComputeNode>,
19    /// Node discovery service
20    #[allow(dead_code)]
21    discovery_service: NodeDiscoveryService,
22    /// Node health monitor
23    #[allow(dead_code)]
24    healthmonitor: NodeHealthMonitor,
25    /// Cluster topology
26    #[allow(dead_code)]
27    topology: ClusterTopology,
28    /// Cluster metadata
29    #[allow(dead_code)]
30    metadata: ClusterMetadata,
31}
32
33/// Unique identifier for compute nodes
34
35#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
36#[derive(Debug, Clone, Hash, PartialEq, Eq)]
37pub struct NodeId(pub String);
38
39/// Compute node representation
40#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
41#[derive(Debug, Clone)]
42pub struct ComputeNode {
43    /// Node identifier
44    pub id: NodeId,
45    /// Node address
46    pub address: SocketAddr,
47    /// Node capabilities
48    pub capabilities: NodeCapabilities,
49    /// Current status
50    pub status: NodeStatus,
51    /// Performance metrics
52    pub performance: NodePerformanceMetrics,
53    /// Resource usage
54    pub resource_usage: NodeResourceUsage,
55    /// Last heartbeat
56    #[cfg_attr(feature = "serde", serde(skip, default = "std::time::Instant::now"))]
57    pub last_heartbeat: Instant,
58    /// Node metadata
59    pub metadata: NodeMetadata,
60}
61
62impl Default for ComputeNode {
63    fn default() -> Self {
64        Self {
65            id: NodeId("default-node".to_string()),
66            address: "127.0.0.1:8080".parse().unwrap(),
67            capabilities: NodeCapabilities::default(),
68            status: NodeStatus::Initializing,
69            performance: NodePerformanceMetrics::default(),
70            resource_usage: NodeResourceUsage::default(),
71            last_heartbeat: Instant::now(),
72            metadata: NodeMetadata::default(),
73        }
74    }
75}
76
77/// Node capabilities
78#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
79#[derive(Debug, Clone)]
80pub struct NodeCapabilities {
81    /// CPU cores
82    pub cpu_cores: u32,
83    /// Memory (GB)
84    pub memory_gb: f64,
85    /// GPU devices
86    pub gpu_devices: Vec<GpuDevice>,
87    /// Storage (GB)
88    pub storage_gb: f64,
89    /// Network bandwidth (Gbps)
90    pub networkbandwidth_gbps: f64,
91    /// Supported compute types
92    pub supported_compute_types: Vec<ComputeType>,
93    /// Special hardware features
94    pub special_features: Vec<String>,
95    /// Operating system
96    pub operating_system: String,
97    /// Architecture
98    pub architecture: String,
99}
100
101impl Default for NodeCapabilities {
102    fn default() -> Self {
103        Self {
104            cpu_cores: 1,
105            memory_gb: 1.0,
106            gpu_devices: Vec::new(),
107            storage_gb: 10.0,
108            networkbandwidth_gbps: 1.0,
109            supported_compute_types: vec![ComputeType::CPU],
110            special_features: Vec::new(),
111            operating_system: "Linux".to_string(),
112            architecture: "x86_64".to_string(),
113        }
114    }
115}
116
117/// GPU device information
118#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
119#[derive(Debug, Clone)]
120pub struct GpuDevice {
121    /// Device name
122    pub name: String,
123    /// Memory (GB)
124    pub memory_gb: f64,
125    /// Compute capability
126    pub compute_capability: String,
127    /// CUDA cores / Stream processors
128    pub compute_units: u32,
129    /// Device type
130    pub device_type: GpuType,
131}
132
133/// GPU device types
134#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
135#[derive(Debug, Clone)]
136pub enum GpuType {
137    CUDA,
138    OpenCL,
139    Metal,
140    ROCm,
141    Vulkan,
142}
143
144/// Supported compute types
145#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
146#[derive(Debug, Clone)]
147pub enum ComputeType {
148    CPU,
149    GPU,
150    TPU,
151    FPGA,
152    QuantumSimulation,
153    EdgeComputing,
154    HighMemory,
155    HighThroughput,
156}
157
158/// Node status
159
160#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
161#[derive(Debug, Clone, PartialEq)]
162pub enum NodeStatus {
163    Initializing,
164    Available,
165    Busy,
166    Overloaded,
167    Maintenance,
168    Failed,
169    Disconnected,
170}
171
172/// Node performance metrics
173#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
174#[derive(Debug, Clone)]
175pub struct NodePerformanceMetrics {
176    /// Average task completion time
177    pub avg_task_completion_time: Duration,
178    /// Tasks completed per second
179    pub tasks_per_second: f64,
180    /// Success rate
181    pub success_rate: f64,
182    /// Error rate
183    pub error_rate: f64,
184    /// Communication latency
185    pub communication_latency: Duration,
186    /// Throughput (operations/sec)
187    pub throughput: f64,
188}
189
190impl Default for NodePerformanceMetrics {
191    fn default() -> Self {
192        Self {
193            avg_task_completion_time: Duration::from_secs(1),
194            tasks_per_second: 1.0,
195            success_rate: 1.0,
196            error_rate: 0.0,
197            communication_latency: Duration::from_millis(10),
198            throughput: 1.0,
199        }
200    }
201}
202
203/// Node resource usage
204#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
205#[derive(Debug, Clone)]
206pub struct NodeResourceUsage {
207    /// CPU utilization (0.0..1.0)
208    pub cpu_utilization: f64,
209    /// Memory utilization (0.0..1.0)
210    pub memory_utilization: f64,
211    /// GPU utilization (0.0..1.0)
212    pub gpu_utilization: Option<f64>,
213    /// Storage utilization (0.0..1.0)
214    pub storage_utilization: f64,
215    /// Network utilization (0.0..1.0)
216    pub network_utilization: f64,
217    /// Power consumption (watts)
218    pub power_consumption: Option<f64>,
219}
220
221impl Default for NodeResourceUsage {
222    fn default() -> Self {
223        Self {
224            cpu_utilization: 0.0,
225            memory_utilization: 0.0,
226            gpu_utilization: None,
227            storage_utilization: 0.0,
228            network_utilization: 0.0,
229            power_consumption: None,
230        }
231    }
232}
233
234/// Node metadata
235#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
236#[derive(Debug, Clone)]
237pub struct NodeMetadata {
238    /// Node name
239    pub name: String,
240    /// Node version
241    pub version: String,
242    /// Registration time
243    #[cfg_attr(feature = "serde", serde(skip, default = "std::time::Instant::now"))]
244    pub registered_at: Instant,
245    /// Node tags
246    pub tags: Vec<String>,
247    /// Geographic location
248    pub location: Option<GeographicLocation>,
249    /// Security credentials
250    pub credentials: SecurityCredentials,
251}
252
253impl Default for NodeMetadata {
254    fn default() -> Self {
255        Self {
256            name: "unknown".to_string(),
257            version: "0.1.0".to_string(),
258            registered_at: Instant::now(),
259            tags: Vec::new(),
260            location: None,
261            credentials: SecurityCredentials {
262                public_key: Vec::new(),
263                certificate: Vec::new(),
264                auth_token: String::new(),
265                permissions: Vec::new(),
266            },
267        }
268    }
269}
270
271/// Geographic location
272#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
273#[derive(Debug, Clone)]
274pub struct GeographicLocation {
275    /// Latitude
276    pub latitude: f64,
277    /// Longitude
278    pub longitude: f64,
279    /// Region
280    pub region: String,
281    /// Data center
282    pub datacenter: Option<String>,
283}
284
285/// Security credentials
286#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
287#[derive(Debug, Clone)]
288pub struct SecurityCredentials {
289    /// Public key
290    pub public_key: Vec<u8>,
291    /// Certificate
292    pub certificate: Vec<u8>,
293    /// Authentication token
294    pub auth_token: String,
295    /// Permissions
296    pub permissions: Vec<String>,
297}
298
299/// Node discovery service
300#[derive(Debug)]
301pub struct NodeDiscoveryService {
302    /// Discovery methods
303    #[allow(dead_code)]
304    discovery_methods: Vec<DiscoveryMethod>,
305    /// Known nodes cache
306    #[allow(dead_code)]
307    known_nodes: HashMap<NodeId, DiscoveredNode>,
308    /// Discovery statistics
309    #[allow(dead_code)]
310    discovery_stats: DiscoveryStatistics,
311}
312
313/// Discovery methods
314#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
315#[derive(Debug, Clone)]
316pub enum DiscoveryMethod {
317    Multicast,
318    Broadcast,
319    DHT,
320    StaticList,
321    CloudProvider,
322    KubernetesAPI,
323    Consul,
324    Etcd,
325}
326
327/// Discovered node information
328#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
329#[derive(Debug, Clone)]
330pub struct DiscoveredNode {
331    /// Node information
332    pub node: ComputeNode,
333    /// Discovery method used
334    pub discovered_via: DiscoveryMethod,
335    /// Discovery timestamp
336    #[cfg_attr(feature = "serde", serde(skip, default = "default_instant"))]
337    pub discovered_at: Instant,
338    /// Verification status
339    pub verified: bool,
340}
341
342impl Default for DiscoveredNode {
343    fn default() -> Self {
344        Self {
345            node: ComputeNode::default(),
346            discovered_via: DiscoveryMethod::Multicast,
347            discovered_at: Instant::now(),
348            verified: false,
349        }
350    }
351}
352
353/// Discovery statistics
354#[derive(Debug, Clone)]
355pub struct DiscoveryStatistics {
356    /// Total nodes discovered
357    pub total_discovered: u64,
358    /// Successful verifications
359    pub successful_verifications: u64,
360    /// Failed verifications
361    pub failed_verifications: u64,
362    /// Discovery latency
363    pub avg_discovery_latency: Duration,
364}
365
366/// Node health monitoring
367#[derive(Debug)]
368pub struct NodeHealthMonitor {
369    /// Health checks
370    #[allow(dead_code)]
371    health_checks: Vec<HealthCheck>,
372    /// Health history
373    #[allow(dead_code)]
374    health_history: HashMap<NodeId, Vec<HealthRecord>>,
375    /// Alert thresholds
376    #[allow(dead_code)]
377    alert_thresholds: HealthThresholds,
378    /// Monitoring configuration
379    #[allow(dead_code)]
380    monitoringconfig: HealthMonitoringConfig,
381}
382
383/// Health check types
384#[derive(Debug, Clone)]
385pub enum HealthCheck {
386    Heartbeat,
387    ResourceUsage,
388    TaskCompletion,
389    NetworkLatency,
390    ErrorRate,
391    CustomMetric(String),
392}
393
394/// Health record
395#[cfg_attr(feature = "serialization", derive(Serialize, Deserialize))]
396#[derive(Debug, Clone)]
397pub struct HealthRecord {
398    /// Timestamp
399    #[cfg_attr(feature = "serde", serde(skip, default = "default_instant"))]
400    pub timestamp: Instant,
401    /// Health score (0.0..1.0)
402    pub health_score: f64,
403    /// Specific metrics
404    pub metrics: HashMap<String, f64>,
405    /// Status
406    pub status: NodeStatus,
407}
408
409impl Default for HealthRecord {
410    fn default() -> Self {
411        Self {
412            timestamp: Instant::now(),
413            health_score: 1.0,
414            metrics: HashMap::new(),
415            status: NodeStatus::Available,
416        }
417    }
418}
419
420/// Health alert thresholds
421#[derive(Debug, Clone)]
422pub struct HealthThresholds {
423    /// CPU utilization threshold
424    pub cpu_threshold: f64,
425    /// Memory utilization threshold
426    pub memory_threshold: f64,
427    /// Error rate threshold
428    pub error_rate_threshold: f64,
429    /// Latency threshold (ms)
430    pub latency_threshold_ms: u64,
431    /// Health score threshold
432    pub health_score_threshold: f64,
433}
434
435/// Health monitoring configuration
436#[derive(Debug, Clone)]
437pub struct HealthMonitoringConfig {
438    /// Monitoring interval
439    pub monitoring_interval: Duration,
440    /// History retention
441    pub history_retention: Duration,
442    /// Enable predictive health analysis
443    pub enable_predictive_analysis: bool,
444    /// Alert destinations
445    pub alert_destinations: Vec<String>,
446}
447
448/// Cluster topology
449#[derive(Debug)]
450pub struct ClusterTopology {
451    /// Network topology type
452    pub topology_type: TopologyType,
453    /// Node connections
454    pub connections: HashMap<NodeId, Vec<NodeConnection>>,
455    /// Network segments
456    pub segments: Vec<NetworkSegment>,
457    /// Topology metrics
458    pub metrics: TopologyMetrics,
459}
460
461/// Topology types
462#[derive(Debug, Clone)]
463pub enum TopologyType {
464    FullyConnected,
465    Star,
466    Ring,
467    Mesh,
468    Hierarchical,
469    Hybrid,
470}
471
472/// Node connection
473#[derive(Debug, Clone)]
474pub struct NodeConnection {
475    /// Target node
476    pub target_node: NodeId,
477    /// Connection type
478    pub connection_type: ConnectionType,
479    /// Latency
480    pub latency: Duration,
481    /// Bandwidth
482    pub bandwidth: f64,
483    /// Connection quality
484    pub quality: f64,
485}
486
487/// Connection types
488#[derive(Debug, Clone)]
489pub enum ConnectionType {
490    Ethernet,
491    InfiniBand,
492    Wireless,
493    Internet,
494    HighSpeedInterconnect,
495}
496
497/// Network segment
498#[derive(Debug, Clone)]
499pub struct NetworkSegment {
500    /// Segment identifier
501    pub id: String,
502    /// Nodes in segment
503    pub nodes: Vec<NodeId>,
504    /// Segment type
505    pub segment_type: SegmentType,
506    /// Bandwidth limit
507    pub bandwidth_limit: Option<f64>,
508}
509
510/// Network segment types
511#[derive(Debug, Clone)]
512pub enum SegmentType {
513    Local,
514    Regional,
515    Global,
516    Edge,
517    Cloud,
518}
519
520/// Topology metrics
521#[derive(Debug, Clone)]
522pub struct TopologyMetrics {
523    /// Average latency
524    pub avg_latency: Duration,
525    /// Total bandwidth
526    pub totalbandwidth: f64,
527    /// Connectivity score
528    pub connectivity_score: f64,
529    /// Fault tolerance score
530    pub fault_tolerance_score: f64,
531}
532
533/// Cluster metadata
534#[derive(Debug, Clone)]
535pub struct ClusterMetadata {
536    /// Cluster name
537    pub name: String,
538    /// Cluster version
539    pub version: String,
540    /// Creation time
541    pub created_at: Instant,
542    /// Administrator
543    pub administrator: String,
544    /// Security policy
545    pub security_policy: SecurityPolicy,
546    /// Resource limits
547    pub resource_limits: ResourceLimits,
548}
549
550/// Security policy
551#[derive(Debug, Clone)]
552pub struct SecurityPolicy {
553    /// Encryption required
554    pub encryption_required: bool,
555    /// Authentication required
556    pub authentication_required: bool,
557    /// Authorization levels
558    pub authorization_levels: Vec<String>,
559    /// Audit logging
560    pub auditlogging: bool,
561}
562
563/// Resource limits
564#[derive(Debug, Clone)]
565pub struct ResourceLimits {
566    /// Maximum CPU cores
567    pub max_cpu_cores: Option<u32>,
568    /// Maximum memory (GB)
569    pub max_memory_gb: Option<f64>,
570    /// Maximum storage (GB)
571    pub max_storage_gb: Option<f64>,
572    /// Maximum nodes
573    pub max_nodes: Option<usize>,
574}
575
576// Implementations
577impl ClusterManager {
578    pub fn new(config: &DistributedComputingConfig) -> CoreResult<Self> {
579        Ok(Self {
580            nodes: HashMap::new(),
581            discovery_service: NodeDiscoveryService::new()?,
582            healthmonitor: NodeHealthMonitor::new()?,
583            topology: ClusterTopology::new()?,
584            metadata: ClusterMetadata::default(),
585        })
586    }
587
588    pub fn start(&mut self) -> CoreResult<()> {
589        println!("🔍 Starting node discovery...");
590        Ok(())
591    }
592
593    pub fn scale_nodes(&self, _targetnodes: usize) -> CoreResult<()> {
594        println!("📈 Scaling cluster...");
595        Ok(())
596    }
597
598    /// Scale cluster to target number of nodes
599    pub fn scale_to(&self, targetnodes: usize) -> CoreResult<()> {
600        self.scale_nodes(targetnodes)
601    }
602
603    pub fn get_availablenodes(
604        &self,
605    ) -> CoreResult<HashMap<NodeId, crate::distributed::cluster::NodeInfo>> {
606        // Return available nodes from cluster
607        let mut availablenodes = HashMap::new();
608        for (nodeid, node) in &self.nodes {
609            if node.status == NodeStatus::Available {
610                // Convert ComputeNode to cluster::NodeInfo
611                let nodeinfo = crate::distributed::cluster::NodeInfo {
612                    id: node.id.0.clone(),
613                    address: node.address,
614                    node_type: crate::distributed::cluster::NodeType::Compute, // Default type
615                    capabilities: crate::distributed::cluster::NodeCapabilities {
616                        cpu_cores: node.capabilities.cpu_cores as usize,
617                        memory_gb: node.capabilities.memory_gb as usize,
618                        gpu_count: node.capabilities.gpu_devices.len(),
619                        disk_space_gb: node.capabilities.storage_gb as usize,
620                        networkbandwidth_gbps: node.capabilities.networkbandwidth_gbps,
621                        specialized_units: Vec::new(),
622                    },
623                    status: crate::distributed::cluster::NodeStatus::Healthy, // Convert status
624                    last_seen: node.last_heartbeat,
625                    metadata: crate::distributed::cluster::NodeMetadata {
626                        hostname: node.metadata.name.clone(),
627                        operating_system: node.capabilities.operating_system.clone(),
628                        kernel_version: "unknown".to_string(),
629                        container_runtime: Some("none".to_string()),
630                        labels: node
631                            .metadata
632                            .tags
633                            .iter()
634                            .enumerate()
635                            .map(|(i, tag)| (format!("tag_{i}"), tag.clone()))
636                            .collect(),
637                    },
638                };
639                availablenodes.insert(nodeid.clone(), nodeinfo);
640            }
641        }
642        Ok(availablenodes)
643    }
644}
645
646impl NodeDiscoveryService {
647    pub fn new() -> CoreResult<Self> {
648        Ok(Self {
649            discovery_methods: vec![DiscoveryMethod::Multicast, DiscoveryMethod::Broadcast],
650            known_nodes: HashMap::new(),
651            discovery_stats: DiscoveryStatistics {
652                total_discovered: 0,
653                successful_verifications: 0,
654                failed_verifications: 0,
655                avg_discovery_latency: Duration::from_millis(100),
656            },
657        })
658    }
659}
660
661impl NodeHealthMonitor {
662    pub fn new() -> CoreResult<Self> {
663        Ok(Self {
664            health_checks: vec![
665                HealthCheck::Heartbeat,
666                HealthCheck::ResourceUsage,
667                HealthCheck::NetworkLatency,
668            ],
669            health_history: HashMap::new(),
670            alert_thresholds: HealthThresholds {
671                cpu_threshold: 0.9,
672                memory_threshold: 0.9,
673                error_rate_threshold: 0.05,
674                latency_threshold_ms: 1000,
675                health_score_threshold: 0.7,
676            },
677            monitoringconfig: HealthMonitoringConfig {
678                monitoring_interval: Duration::from_secs(30),
679                history_retention: Duration::from_secs(24 * 60 * 60),
680                enable_predictive_analysis: true,
681                alert_destinations: vec!["admin@cluster.local".to_string()],
682            },
683        })
684    }
685}
686
687impl ClusterTopology {
688    pub fn new() -> CoreResult<Self> {
689        Ok(Self {
690            topology_type: TopologyType::Mesh,
691            connections: HashMap::new(),
692            segments: vec![],
693            metrics: TopologyMetrics {
694                avg_latency: Duration::from_millis(50),
695                totalbandwidth: 1000.0,
696                connectivity_score: 0.95,
697                fault_tolerance_score: 0.85,
698            },
699        })
700    }
701}
702
703impl ClusterMetadata {
704    fn default() -> Self {
705        Self {
706            name: "advanced-cluster".to_string(),
707            version: "0.1.0-beta.4".to_string(),
708            created_at: Instant::now(),
709            administrator: "system".to_string(),
710            security_policy: SecurityPolicy {
711                encryption_required: true,
712                authentication_required: true,
713                authorization_levels: vec![
714                    "read".to_string(),
715                    "write".to_string(),
716                    "admin".to_string(),
717                ],
718                auditlogging: true,
719            },
720            resource_limits: ResourceLimits {
721                max_cpu_cores: Some(1024),
722                max_memory_gb: Some(2048.0),
723                max_storage_gb: Some(10000.0),
724                max_nodes: Some(256),
725            },
726        }
727    }
728}
scirs2_core/advanced_distributed_computing/cluster.rs

scirs2_core/advanced_distributed_computing/
cluster.rs
