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

scirs2_core/advanced_distributed_computing/
cluster.rs
