Refactor code structure for improved readability and maintainability
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StellaOps Bot
@@ -264,6 +264,184 @@ internal static class LedgerMetrics
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StalenessValidationFailures.Add(1, tags);
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}
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private static readonly Counter<long> ScoredFindingsExports = Meter.CreateCounter<long>(
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"ledger_scored_findings_exports_total",
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description: "Count of scored findings export operations.");
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private static readonly Histogram<double> ScoredFindingsExportDuration = Meter.CreateHistogram<double>(
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"ledger_scored_findings_export_duration_seconds",
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unit: "s",
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description: "Duration of scored findings export operations.");
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public static void RecordScoredFindingsExport(string? tenantId, int recordCount, double durationSeconds)
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{
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var tags = new KeyValuePair<string, object?>[]
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{
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new("tenant", tenantId ?? "unknown"),
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new("record_count", recordCount)
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};
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ScoredFindingsExports.Add(1, tags);
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ScoredFindingsExportDuration.Record(durationSeconds, tags);
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}
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// LEDGER-RISK-69-001: Scoring metrics/dashboards
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private static readonly Histogram<double> ScoringLatencySeconds = Meter.CreateHistogram<double>(
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"ledger_scoring_latency_seconds",
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unit: "s",
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description: "Latency of risk scoring operations per finding.");
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private static readonly Counter<long> ScoringOperationsTotal = Meter.CreateCounter<long>(
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"ledger_scoring_operations_total",
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description: "Total number of scoring operations by result.");
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private static readonly Counter<long> ScoringProviderGaps = Meter.CreateCounter<long>(
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"ledger_scoring_provider_gaps_total",
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description: "Count of findings where scoring provider was unavailable or returned no data.");
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private static readonly ConcurrentDictionary<string, SeveritySnapshot> SeverityByTenantPolicy = new(StringComparer.Ordinal);
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private static readonly ConcurrentDictionary<string, double> ScoreFreshnessByTenant = new(StringComparer.Ordinal);
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private static readonly ObservableGauge<long> SeverityCriticalGauge =
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Meter.CreateObservableGauge("ledger_severity_distribution_critical", ObserveSeverityCritical,
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description: "Current count of critical severity findings by tenant and policy.");
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private static readonly ObservableGauge<long> SeverityHighGauge =
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Meter.CreateObservableGauge("ledger_severity_distribution_high", ObserveSeverityHigh,
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description: "Current count of high severity findings by tenant and policy.");
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private static readonly ObservableGauge<long> SeverityMediumGauge =
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Meter.CreateObservableGauge("ledger_severity_distribution_medium", ObserveSeverityMedium,
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description: "Current count of medium severity findings by tenant and policy.");
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private static readonly ObservableGauge<long> SeverityLowGauge =
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Meter.CreateObservableGauge("ledger_severity_distribution_low", ObserveSeverityLow,
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description: "Current count of low severity findings by tenant and policy.");
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private static readonly ObservableGauge<long> SeverityUnknownGauge =
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Meter.CreateObservableGauge("ledger_severity_distribution_unknown", ObserveSeverityUnknown,
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description: "Current count of unknown/unscored findings by tenant and policy.");
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private static readonly ObservableGauge<double> ScoreFreshnessGauge =
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Meter.CreateObservableGauge("ledger_score_freshness_seconds", ObserveScoreFreshness, unit: "s",
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description: "Time since last scoring operation completed by tenant.");
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public static void RecordScoringLatency(TimeSpan duration, string? tenantId, string? policyVersion, string result)
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{
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var tags = new KeyValuePair<string, object?>[]
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{
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new("tenant", tenantId ?? string.Empty),
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new("policy_version", policyVersion ?? string.Empty),
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new("result", result)
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};
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ScoringLatencySeconds.Record(duration.TotalSeconds, tags);
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ScoringOperationsTotal.Add(1, tags);
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}
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public static void RecordScoringProviderGap(string? tenantId, string? provider, string reason)
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{
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var tags = new KeyValuePair<string, object?>[]
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{
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new("tenant", tenantId ?? string.Empty),
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new("provider", provider ?? "unknown"),
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new("reason", reason)
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};
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ScoringProviderGaps.Add(1, tags);
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}
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public static void UpdateSeverityDistribution(
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string tenantId,
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string? policyVersion,
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int critical,
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int high,
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int medium,
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int low,
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int unknown)
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{
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var key = BuildTenantPolicyKey(tenantId, policyVersion);
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SeverityByTenantPolicy[key] = new SeveritySnapshot(tenantId, policyVersion ?? "default", critical, high, medium, low, unknown);
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}
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public static void UpdateScoreFreshness(string tenantId, double secondsSinceLastScoring)
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{
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var key = NormalizeTenant(tenantId);
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ScoreFreshnessByTenant[key] = secondsSinceLastScoring < 0 ? 0 : secondsSinceLastScoring;
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}
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private static string BuildTenantPolicyKey(string? tenantId, string? policyVersion)
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{
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var t = string.IsNullOrWhiteSpace(tenantId) ? string.Empty : tenantId;
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var p = string.IsNullOrWhiteSpace(policyVersion) ? "default" : policyVersion;
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return $"{t}|{p}";
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}
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private sealed record SeveritySnapshot(
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string TenantId,
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string PolicyVersion,
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int Critical,
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int High,
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int Medium,
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int Low,
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int Unknown);
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private static IEnumerable<Measurement<long>> ObserveSeverityCritical()
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{
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foreach (var kvp in SeverityByTenantPolicy)
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{
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yield return new Measurement<long>(kvp.Value.Critical,
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new KeyValuePair<string, object?>("tenant", kvp.Value.TenantId),
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new KeyValuePair<string, object?>("policy_version", kvp.Value.PolicyVersion));
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}
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}
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private static IEnumerable<Measurement<long>> ObserveSeverityHigh()
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{
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foreach (var kvp in SeverityByTenantPolicy)
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{
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yield return new Measurement<long>(kvp.Value.High,
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new KeyValuePair<string, object?>("tenant", kvp.Value.TenantId),
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new KeyValuePair<string, object?>("policy_version", kvp.Value.PolicyVersion));
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}
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}
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private static IEnumerable<Measurement<long>> ObserveSeverityMedium()
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{
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foreach (var kvp in SeverityByTenantPolicy)
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{
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yield return new Measurement<long>(kvp.Value.Medium,
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new KeyValuePair<string, object?>("tenant", kvp.Value.TenantId),
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new KeyValuePair<string, object?>("policy_version", kvp.Value.PolicyVersion));
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}
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}
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private static IEnumerable<Measurement<long>> ObserveSeverityLow()
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{
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foreach (var kvp in SeverityByTenantPolicy)
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{
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yield return new Measurement<long>(kvp.Value.Low,
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new KeyValuePair<string, object?>("tenant", kvp.Value.TenantId),
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new KeyValuePair<string, object?>("policy_version", kvp.Value.PolicyVersion));
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}
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}
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private static IEnumerable<Measurement<long>> ObserveSeverityUnknown()
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{
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foreach (var kvp in SeverityByTenantPolicy)
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{
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yield return new Measurement<long>(kvp.Value.Unknown,
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new KeyValuePair<string, object?>("tenant", kvp.Value.TenantId),
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new KeyValuePair<string, object?>("policy_version", kvp.Value.PolicyVersion));
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}
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}
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private static IEnumerable<Measurement<double>> ObserveScoreFreshness()
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{
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foreach (var kvp in ScoreFreshnessByTenant)
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{
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yield return new Measurement<double>(kvp.Value, new KeyValuePair<string, object?>("tenant", kvp.Key));
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}
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}
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private static IEnumerable<Measurement<double>> ObserveProjectionLag()
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{
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foreach (var kvp in ProjectionLagByTenant)
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