ic_query/ic/node_status/model.rs
1//! Module: ic::node_status::model
2//!
3//! Responsibility: public observed node-status requests, evidence, reports, and errors.
4//! Does not own: source calls, cache IO, projection, or rendering.
5//! Boundary: preserves raw Dashboard status data and explicit off-chain/cache provenance.
6
7use crate::ic::IcDashboardReportProvenance;
8use serde::{Deserialize as SerdeDeserialize, Serialize};
9use std::fmt;
10#[cfg(feature = "dashboard-host")]
11use std::path::PathBuf;
12use thiserror::Error as ThisError;
13
14///
15/// IcNodeStatusScope
16///
17/// Dashboard collection scope retained by an observed node-status snapshot.
18///
19
20#[derive(Clone, Copy, Debug, Eq, PartialEq, SerdeDeserialize, Serialize)]
21#[serde(rename_all = "snake_case")]
22pub enum IcNodeStatusScope {
23 /// Dashboard's default public-mainnet node set, excluding cloud-engine Type4 nodes.
24 DashboardMainnetDefault,
25}
26
27impl IcNodeStatusScope {
28 /// Return the stable serialized scope label.
29 #[must_use]
30 pub const fn as_str(self) -> &'static str {
31 match self {
32 Self::DashboardMainnetDefault => super::IC_NODE_STATUS_SCOPE,
33 }
34 }
35}
36
37///
38/// IcNodeOperationalStatus
39///
40/// Known Dashboard node-status classification used for filtering and counts.
41///
42
43#[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd, Serialize)]
44#[serde(rename_all = "snake_case")]
45pub enum IcNodeOperationalStatus {
46 /// The Dashboard reports the node as up.
47 Up,
48 /// The Dashboard reports the node as down.
49 Down,
50 /// The Dashboard reports the node as administratively disabled.
51 Disabled,
52 /// The Dashboard reports degraded operation.
53 Degraded,
54 /// The raw Dashboard value is not recognized by this release.
55 Unknown,
56}
57
58impl IcNodeOperationalStatus {
59 /// Classify raw Dashboard status text without discarding unknown future values.
60 #[must_use]
61 pub fn from_raw(raw: &str) -> Self {
62 match raw {
63 "UP" => Self::Up,
64 "DOWN" => Self::Down,
65 "DISABLED" => Self::Disabled,
66 "DEGRADED" => Self::Degraded,
67 _ => Self::Unknown,
68 }
69 }
70
71 /// Return the stable lowercase display label.
72 #[must_use]
73 pub const fn as_str(self) -> &'static str {
74 match self {
75 Self::Up => "up",
76 Self::Down => "down",
77 Self::Disabled => "disabled",
78 Self::Degraded => "degraded",
79 Self::Unknown => "unknown",
80 }
81 }
82}
83
84impl fmt::Display for IcNodeOperationalStatus {
85 fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
86 formatter.write_str(self.as_str())
87 }
88}
89
90///
91/// IcNodeStatusCounts
92///
93/// Exact status totals derived from raw observed node rows.
94///
95
96#[derive(Clone, Debug, Default, Eq, PartialEq, SerdeDeserialize, Serialize)]
97pub struct IcNodeStatusCounts {
98 /// Total observed rows in the group.
99 pub total: usize,
100 /// Rows classified as `UP`.
101 pub up: usize,
102 /// Rows classified as `DOWN`.
103 pub down: usize,
104 /// Rows classified as `DISABLED`.
105 pub disabled: usize,
106 /// Rows classified as `DEGRADED`.
107 pub degraded: usize,
108 /// Rows whose raw status is not recognized.
109 pub unknown: usize,
110}
111
112impl IcNodeStatusCounts {
113 /// Return every row not classified as raw Dashboard `UP`.
114 #[must_use]
115 pub const fn non_up(&self) -> usize {
116 self.total.saturating_sub(self.up)
117 }
118}
119
120///
121/// IcNodeAssignmentStatusCounts
122///
123/// Operational-status totals partitioned by mutually exclusive assignment class.
124///
125
126#[derive(Clone, Debug, Default, Eq, PartialEq, SerdeDeserialize, Serialize)]
127pub struct IcNodeAssignmentStatusCounts {
128 /// Status totals for nodes with an observed assigned Subnet.
129 pub assigned: IcNodeStatusCounts,
130 /// Status totals for rows whose raw node type is `UNASSIGNED`.
131 pub unassigned: IcNodeStatusCounts,
132 /// Status totals for rows whose raw node type is `API_BOUNDARY`.
133 pub api_boundary: IcNodeStatusCounts,
134 /// Status totals for rows without a known assignment class.
135 pub unknown: IcNodeStatusCounts,
136}
137
138///
139/// IcNodeStatusGroupCounts
140///
141/// Overall and assignment-partitioned status totals for one aggregate group.
142///
143
144#[derive(Clone, Debug, Default, Eq, PartialEq, Serialize)]
145pub struct IcNodeStatusGroupCounts {
146 /// Raw operational-status totals for the group.
147 pub statuses: IcNodeStatusCounts,
148 /// Raw operational-status totals partitioned by assignment class.
149 pub assignment_statuses: IcNodeAssignmentStatusCounts,
150}
151
152///
153/// IcNodeCountComparison
154///
155/// Ordering of one observed node count relative to another.
156///
157
158#[derive(Clone, Copy, Debug, Eq, PartialEq, Serialize)]
159#[serde(rename_all = "snake_case")]
160pub enum IcNodeCountComparison {
161 /// The left-hand count is smaller.
162 Less,
163 /// The two counts are equal.
164 Equal,
165 /// The left-hand count is larger.
166 Greater,
167}
168
169impl IcNodeCountComparison {
170 /// Compare a left-hand count with a right-hand count.
171 #[must_use]
172 pub const fn from_counts(left: usize, right: usize) -> Self {
173 if left < right {
174 Self::Less
175 } else if left > right {
176 Self::Greater
177 } else {
178 Self::Equal
179 }
180 }
181
182 /// Return the stable lowercase label.
183 #[must_use]
184 pub const fn as_str(self) -> &'static str {
185 match self {
186 Self::Less => "less",
187 Self::Equal => "equal",
188 Self::Greater => "greater",
189 }
190 }
191}
192
193///
194/// IcNodeCountComparisonCounts
195///
196/// Number of provider groups in each node-count comparison outcome.
197///
198
199#[derive(Clone, Debug, Default, Eq, PartialEq, Serialize)]
200pub struct IcNodeCountComparisonCounts {
201 /// Provider groups whose left-hand count is smaller.
202 pub less: usize,
203 /// Provider groups whose counts are equal.
204 pub equal: usize,
205 /// Provider groups whose left-hand count is larger.
206 pub greater: usize,
207}
208
209///
210/// IcNodeStatusRow
211///
212/// One raw node observation retained from the official Dashboard node resource.
213///
214
215#[derive(Clone, Debug, Eq, PartialEq, SerdeDeserialize, Serialize)]
216pub struct IcNodeStatusRow {
217 /// Canonical node principal.
218 pub node_id: String,
219 /// Canonical node-operator principal.
220 pub node_operator_id: String,
221 /// Canonical node-provider principal.
222 pub node_provider_id: String,
223 /// Off-chain Dashboard node-provider name.
224 pub node_provider_name: String,
225 /// Raw Dashboard node type.
226 pub node_type: String,
227 /// Raw Registry reward type reported by the Dashboard.
228 pub node_reward_type: String,
229 /// Raw Dashboard operational status.
230 pub status: String,
231 /// Raw Dashboard alert name when present.
232 pub alert_name: Option<String>,
233 /// Assigned Subnet principal when present.
234 pub subnet_id: Option<String>,
235 /// CloudEngine Subnet principal when reported by the selected Dashboard scope.
236 pub cloud_engine_subnet_id: Option<String>,
237 /// Dashboard data-center identifier.
238 pub data_center_id: String,
239 /// Dashboard data-center name.
240 pub data_center_name: String,
241 /// Dashboard infrastructure owner label.
242 pub owner: String,
243 /// Raw Dashboard geographic region label.
244 pub region: String,
245 /// Observed GuestOS version when reported.
246 pub guestos_version: Option<String>,
247 /// Observed GuestOS trusted-execution status when reported.
248 pub guestos_tee_active: Option<bool>,
249 /// Observed node IP address when reported.
250 pub ip_address: Option<String>,
251 /// Observed IPv4-connectivity state when reported.
252 pub ipv4_connectivity_status: Option<bool>,
253 /// Dashboard hardware-generation label when reported.
254 pub node_hardware_generation: Option<String>,
255}
256
257impl IcNodeStatusRow {
258 /// Return the known classification of this row's raw status.
259 #[must_use]
260 pub fn operational_status(&self) -> IcNodeOperationalStatus {
261 IcNodeOperationalStatus::from_raw(&self.status)
262 }
263
264 /// Return whether the raw row is anything other than known `UP`.
265 #[must_use]
266 pub fn is_non_up(&self) -> bool {
267 self.operational_status() != IcNodeOperationalStatus::Up
268 }
269}
270
271///
272/// IcNodeStatusCacheEvidence
273///
274/// Caller-relative local cache evidence attached to a projected status report.
275///
276
277#[derive(Clone, Debug, Eq, PartialEq, Serialize)]
278pub struct IcNodeStatusCacheEvidence {
279 /// Canonical local cache path used by the report.
280 pub cache_path: String,
281 /// Whether the cache is within the default age policy for this caller's time.
282 pub cache_fresh: bool,
283 /// Cache age at report construction.
284 pub age_seconds: u64,
285 /// Age threshold used to classify freshness.
286 pub stale_after_seconds: u64,
287}
288
289///
290/// IcNodeStatusObservation
291///
292/// Shared source, scope, and optional cache evidence for status reports.
293///
294
295#[derive(Clone, Debug, Eq, PartialEq, Serialize)]
296pub struct IcNodeStatusObservation {
297 #[serde(flatten)]
298 /// Official Dashboard source provenance.
299 pub source: IcDashboardReportProvenance,
300 /// Explicit node collection scope.
301 pub scope: IcNodeStatusScope,
302 /// Whether cloud-engine nodes were included in the source collection.
303 pub cloud_engine_nodes_included: bool,
304 /// Local cache evidence, absent for a pure live snapshot.
305 pub cache: Option<IcNodeStatusCacheEvidence>,
306}
307
308///
309/// IcNodeStatusSnapshot
310///
311/// Complete canonical observed node snapshot used by every status projection.
312///
313
314#[derive(Clone, Debug, Eq, PartialEq, Serialize)]
315pub struct IcNodeStatusSnapshot {
316 #[serde(flatten)]
317 /// Shared source and scope evidence.
318 pub observation: IcNodeStatusObservation,
319 /// Canonically ordered raw node rows.
320 pub nodes: Vec<IcNodeStatusRow>,
321}
322
323///
324/// IcNodeStatusSourceData
325///
326/// Untrusted raw node rows and provenance returned by a Dashboard source capability.
327///
328
329#[cfg(feature = "dashboard-host")]
330#[derive(Clone, Debug, Eq, PartialEq)]
331pub struct IcNodeStatusSourceData {
332 /// Source-call provenance echoed by the source.
333 pub source: crate::ic::IcSourceRequest,
334 /// Explicit Dashboard collection scope.
335 pub scope: IcNodeStatusScope,
336 /// Whether the source claims cloud-engine node inclusion.
337 pub cloud_engine_nodes_included: bool,
338 /// Raw observed node rows.
339 pub nodes: Vec<IcNodeStatusRow>,
340}
341
342///
343/// IcNodeStatusView
344///
345/// Target and attention selection shared by node, Subnet, and provider views.
346///
347
348#[derive(Clone, Debug, Default, Eq, PartialEq)]
349pub struct IcNodeStatusView {
350 /// Optional exact identifier or unique principal prefix.
351 pub target: Option<String>,
352 /// Whether fully-up rows or groups are included without a target.
353 pub include_all: bool,
354}
355
356impl IcNodeStatusView {
357 /// Construct the default attention-only view.
358 #[must_use]
359 pub const fn attention() -> Self {
360 Self {
361 target: None,
362 include_all: false,
363 }
364 }
365
366 /// Select one exact identifier or unique principal prefix.
367 #[must_use]
368 pub fn with_target(mut self, target: impl Into<String>) -> Self {
369 self.target = Some(target.into());
370 self
371 }
372
373 /// Include fully-up rows as well as attention rows.
374 #[must_use]
375 pub const fn with_all(mut self, include_all: bool) -> Self {
376 self.include_all = include_all;
377 self
378 }
379}
380
381///
382/// IcNodeStatusReport
383///
384/// Node-level view over one complete observed status snapshot.
385///
386
387#[derive(Clone, Debug, Eq, PartialEq, Serialize)]
388pub struct IcNodeStatusReport {
389 #[serde(flatten)]
390 /// Shared source, scope, and cache evidence.
391 pub observation: IcNodeStatusObservation,
392 /// Total rows in the complete source snapshot.
393 pub snapshot_node_count: usize,
394 /// Snapshot-wide overall and assignment-partitioned totals.
395 pub counts: IcNodeStatusGroupCounts,
396 /// Whether the view includes fully-up rows.
397 pub include_all: bool,
398 /// Target text supplied by the caller.
399 pub requested_target: Option<String>,
400 /// Canonical target resolved by exact or unique-prefix matching.
401 pub resolved_target: Option<String>,
402 /// Stable label describing how the target resolved.
403 pub resolved_from: Option<String>,
404 /// Number of returned node rows.
405 pub returned_node_count: usize,
406 /// Selected canonical node rows.
407 pub nodes: Vec<IcNodeStatusRow>,
408}
409
410///
411/// IcSubnetStatusRow
412///
413/// Observed operational counts and conservative threshold evidence for one Subnet.
414///
415
416#[derive(Clone, Debug, Eq, PartialEq, Serialize)]
417pub struct IcSubnetStatusRow {
418 /// Canonical Subnet principal.
419 pub subnet_id: String,
420 /// Operational-status totals for observed assigned nodes.
421 pub statuses: IcNodeStatusCounts,
422 /// Byzantine fault count `floor((n - 1) / 3)` for the observed membership size.
423 pub fault_tolerance_node_count: usize,
424 /// Additional down nodes required for the down count to exceed the derived threshold.
425 pub additional_down_nodes_to_exceed_fault_tolerance: usize,
426 /// Additional non-up nodes required for the conservative count to exceed the threshold.
427 pub additional_non_up_nodes_to_exceed_fault_tolerance: usize,
428 /// Whether the observed down count already exceeds the derived threshold.
429 pub down_fault_tolerance_exceeded: bool,
430 /// Whether the observed conservative non-up count already exceeds the threshold.
431 pub conservative_non_up_fault_tolerance_exceeded: bool,
432 /// Raw non-up node evidence in canonical node order.
433 pub non_up_nodes: Vec<IcNodeStatusRow>,
434}
435
436///
437/// IcSubnetStatusReport
438///
439/// Subnet-level operational view over one complete observed node snapshot.
440///
441
442#[derive(Clone, Debug, Eq, PartialEq, Serialize)]
443pub struct IcSubnetStatusReport {
444 #[serde(flatten)]
445 /// Shared source, scope, and cache evidence.
446 pub observation: IcNodeStatusObservation,
447 /// Total rows in the complete source snapshot.
448 pub snapshot_node_count: usize,
449 /// Snapshot rows with an assigned Subnet.
450 pub assigned_node_count: usize,
451 /// Number of observed Subnets before view filtering.
452 pub subnet_count: usize,
453 /// Number of observed Subnets containing a non-up node.
454 pub attention_subnet_count: usize,
455 /// Whether fully-up Subnets are included without a target.
456 pub include_all: bool,
457 /// Target text supplied by the caller.
458 pub requested_target: Option<String>,
459 /// Canonical Subnet target resolved by exact or unique-prefix matching.
460 pub resolved_target: Option<String>,
461 /// Stable label describing how the target resolved.
462 pub resolved_from: Option<String>,
463 /// Number of returned Subnet rows.
464 pub returned_subnet_count: usize,
465 /// Canonically ordered selected Subnet rows.
466 pub subnets: Vec<IcSubnetStatusRow>,
467}
468
469///
470/// IcNodeProviderStatusRow
471///
472/// Assignment and raw operational counts for one observed node provider.
473///
474
475#[derive(Clone, Debug, Eq, PartialEq, Serialize)]
476pub struct IcNodeProviderStatusRow {
477 /// Canonical node-provider principal.
478 pub node_provider_id: String,
479 /// Off-chain Dashboard provider name.
480 pub node_provider_name: String,
481 /// Operational-status and assignment totals for the provider.
482 pub counts: IcNodeStatusGroupCounts,
483 /// Unassigned up-node count compared with assigned up-node count.
484 pub unassigned_up_vs_assigned_up: IcNodeCountComparison,
485 /// Unassigned non-up-node count compared with assigned non-up-node count.
486 pub unassigned_non_up_vs_assigned_non_up: IcNodeCountComparison,
487 /// Raw non-up node evidence in canonical node order.
488 pub non_up_nodes: Vec<IcNodeStatusRow>,
489}
490
491///
492/// IcNodeProviderStatusReport
493///
494/// Node-provider operational view over one complete observed node snapshot.
495///
496
497#[derive(Clone, Debug, Eq, PartialEq, Serialize)]
498pub struct IcNodeProviderStatusReport {
499 #[serde(flatten)]
500 /// Shared source, scope, and cache evidence.
501 pub observation: IcNodeStatusObservation,
502 /// Total rows in the complete source snapshot.
503 pub snapshot_node_count: usize,
504 /// Number of observed provider principals before view filtering.
505 pub provider_count: usize,
506 /// Number of provider groups containing a non-up node.
507 pub attention_provider_count: usize,
508 /// All-provider outcomes for unassigned up nodes compared with assigned up nodes.
509 pub unassigned_up_vs_assigned_up_provider_counts: IcNodeCountComparisonCounts,
510 /// All-provider outcomes for unassigned non-up nodes compared with assigned non-up nodes.
511 pub unassigned_non_up_vs_assigned_non_up_provider_counts: IcNodeCountComparisonCounts,
512 /// Whether fully-up providers are included without a target.
513 pub include_all: bool,
514 /// Target text supplied by the caller.
515 pub requested_target: Option<String>,
516 /// Canonical provider target resolved by exact or unique-prefix matching.
517 pub resolved_target: Option<String>,
518 /// Stable label describing how the target resolved.
519 pub resolved_from: Option<String>,
520 /// Number of returned provider rows.
521 pub returned_provider_count: usize,
522 /// Canonically ordered selected provider rows.
523 pub providers: Vec<IcNodeProviderStatusRow>,
524}
525
526///
527/// IcNodeStatusProjectionError
528///
529/// Failure to resolve or project a requested observed status view.
530///
531
532#[derive(Clone, Debug, Eq, PartialEq, ThisError)]
533pub enum IcNodeStatusProjectionError {
534 /// Observation provenance, raw rows, canonical ordering, or counts are invalid.
535 #[error("invalid observed node-status snapshot: {reason}")]
536 InvalidSnapshot {
537 /// Deterministic validation failure.
538 reason: String,
539 },
540 /// The supplied target is empty after trimming.
541 #[error("{kind} target must not be empty")]
542 EmptyTarget {
543 /// Projection kind being selected.
544 kind: &'static str,
545 },
546 /// No observed identifier matches the supplied target.
547 #[error("{kind} target {target:?} did not match the observed snapshot")]
548 UnknownTarget {
549 /// Projection kind being selected.
550 kind: &'static str,
551 /// Unmatched target text.
552 target: String,
553 },
554 /// More than one observed identifier matches the supplied prefix.
555 #[error("{kind} prefix {prefix:?} is ambiguous; matches: {matches:?}")]
556 AmbiguousTarget {
557 /// Projection kind being selected.
558 kind: &'static str,
559 /// Ambiguous principal prefix.
560 prefix: String,
561 /// Canonically ordered matching principals.
562 matches: Vec<String>,
563 },
564}
565
566///
567/// IcNodeStatusCacheRequest
568///
569/// Stable identity of one network-level observed node-status cache.
570///
571
572#[cfg(feature = "dashboard-host")]
573#[derive(Clone, Debug, Eq, PartialEq)]
574pub struct IcNodeStatusCacheRequest {
575 /// Root directory containing all `ic-query` caches.
576 pub cache_root: PathBuf,
577 /// Requested network name.
578 pub network: String,
579}
580
581#[cfg(feature = "dashboard-host")]
582impl IcNodeStatusCacheRequest {
583 /// Construct one observed node-status cache identity.
584 #[must_use]
585 pub fn new(cache_root: impl Into<PathBuf>, network: impl Into<String>) -> Self {
586 Self {
587 cache_root: cache_root.into(),
588 network: network.into(),
589 }
590 }
591}
592
593///
594/// IcNodeStatusRefreshRequest
595///
596/// Settings for one forced observed node-status snapshot refresh.
597///
598
599#[cfg(feature = "dashboard-host")]
600#[derive(Clone, Debug, Eq, PartialEq)]
601pub struct IcNodeStatusRefreshRequest {
602 /// Stable cache identity.
603 pub cache: IcNodeStatusCacheRequest,
604 /// Explicit Dashboard API base endpoint.
605 pub source_endpoint: String,
606 /// Caller-supplied observation time as Unix seconds.
607 pub now_unix_secs: u64,
608}
609
610#[cfg(feature = "dashboard-host")]
611impl IcNodeStatusRefreshRequest {
612 /// Construct one forced node-status snapshot refresh request.
613 #[must_use]
614 pub fn new(
615 cache_root: impl Into<PathBuf>,
616 network: impl Into<String>,
617 source_endpoint: impl Into<String>,
618 now_unix_secs: u64,
619 ) -> Self {
620 Self {
621 cache: IcNodeStatusCacheRequest::new(cache_root, network),
622 source_endpoint: source_endpoint.into(),
623 now_unix_secs,
624 }
625 }
626}
627
628///
629/// IcNodeStatusReadRequest
630///
631/// Cache-backed status-view request shared by node, Subnet, and provider reports.
632///
633
634#[cfg(feature = "dashboard-host")]
635#[derive(Clone, Debug, Eq, PartialEq)]
636pub struct IcNodeStatusReadRequest {
637 /// Live and cache settings used when refresh is required.
638 pub refresh: IcNodeStatusRefreshRequest,
639 /// Projection target and attention selection.
640 pub view: IcNodeStatusView,
641 /// Whether to force a live replacement before reading.
642 pub force_refresh: bool,
643}
644
645#[cfg(feature = "dashboard-host")]
646impl IcNodeStatusReadRequest {
647 /// Construct one stale-refresh status-view request.
648 #[must_use]
649 pub fn new(
650 cache_root: impl Into<PathBuf>,
651 network: impl Into<String>,
652 source_endpoint: impl Into<String>,
653 now_unix_secs: u64,
654 ) -> Self {
655 Self {
656 refresh: IcNodeStatusRefreshRequest::new(
657 cache_root,
658 network,
659 source_endpoint,
660 now_unix_secs,
661 ),
662 view: IcNodeStatusView::attention(),
663 force_refresh: false,
664 }
665 }
666
667 /// Apply one target and attention selection.
668 #[must_use]
669 pub fn with_view(mut self, view: IcNodeStatusView) -> Self {
670 self.view = view;
671 self
672 }
673
674 /// Select a forced refresh before projecting the report.
675 #[must_use]
676 pub const fn with_force_refresh(mut self, force_refresh: bool) -> Self {
677 self.force_refresh = force_refresh;
678 self
679 }
680}
681
682///
683/// IcNodeStatusRefreshReport
684///
685/// Result of atomically replacing the complete observed node-status cache.
686///
687
688#[cfg(feature = "dashboard-host")]
689#[derive(Clone, Debug, Eq, PartialEq, Serialize)]
690pub struct IcNodeStatusRefreshReport {
691 /// Cache/report schema version.
692 pub schema_version: u32,
693 /// Network identity attached to the replacement.
694 pub network: String,
695 /// Explicit Dashboard endpoint queried.
696 pub source_endpoint: String,
697 /// Canonical UTC collection timestamp.
698 pub fetched_at: String,
699 /// Collector identity.
700 pub fetched_by: String,
701 /// Published cache path.
702 pub cache_path: String,
703 /// Sibling refresh-lock path.
704 pub refresh_lock_path: String,
705 /// Whether an existing complete snapshot was replaced.
706 pub replaced_existing_cache: bool,
707 /// Number of published node rows.
708 pub node_count: usize,
709 /// Published overall and assignment-partitioned status totals.
710 pub counts: IcNodeStatusGroupCounts,
711}
712
713///
714/// IcNodeStatusHostError
715///
716/// Host source, cache, and projection failures for observed node-status reports.
717///
718
719#[cfg(feature = "dashboard-host")]
720#[derive(Debug, ThisError)]
721pub enum IcNodeStatusHostError {
722 /// The observed Dashboard source supports only public mainnet identity.
723 #[error("observed IC node status supports only the mainnet `ic` network, not {network:?}")]
724 UnsupportedNetwork {
725 /// Unsupported requested network.
726 network: String,
727 },
728 /// Live-source or source-validation failure.
729 #[error(transparent)]
730 Source(#[from] crate::ic::IcHostError),
731 /// Pure projection failure.
732 #[error(transparent)]
733 Projection(#[from] IcNodeStatusProjectionError),
734 /// Strict cache load found no complete snapshot.
735 #[error("observed node-status cache is missing at {}", path.display())]
736 MissingCache {
737 /// Expected cache path.
738 path: PathBuf,
739 },
740 /// Existing cache snapshot-key identity does not match its path.
741 #[error(
742 "observed node-status cache identity mismatch at {}: {field} is {actual:?}, expected {expected:?}",
743 path.display()
744 )]
745 CacheIdentityMismatch {
746 /// Cache path that failed validation.
747 path: PathBuf,
748 /// Identity field that differs.
749 field: &'static str,
750 /// Required identity value.
751 expected: String,
752 /// Stored identity value.
753 actual: String,
754 },
755 /// Existing cache is structurally readable but semantically invalid.
756 #[error("invalid observed node-status cache at {}: {reason}", path.display())]
757 InvalidCache {
758 /// Cache path that failed validation.
759 path: PathBuf,
760 /// Deterministic validation failure.
761 reason: String,
762 },
763 /// Shared generic JSON, filesystem, or refresh-lock cache failure.
764 #[error(transparent)]
765 Cache(#[from] crate::cache_file::HostCacheError),
766}