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<h1 id="adr-020-audit-trail-para-compliance"><a class="header" href="#adr-020-audit-trail-para-compliance">ADR-020: Audit Trail para Compliance</a></h1>
|
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<p><strong>Status</strong>: Accepted | Implemented
|
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<strong>Date</strong>: 2024-11-01
|
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<strong>Deciders</strong>: Security & Compliance Team
|
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<strong>Technical Story</strong>: Logging all significant workflow events for compliance and incident investigation</p>
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<hr />
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<h2 id="decision"><a class="header" href="#decision">Decision</a></h2>
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<p>Implementar <strong>comprehensive audit trail</strong> con logging de todos los workflow events, queryable por workflow/actor/tipo.</p>
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<hr />
|
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<h2 id="rationale"><a class="header" href="#rationale">Rationale</a></h2>
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<ol>
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<li><strong>Compliance</strong>: Regulaciones requieren audit trail (HIPAA, SOC2, etc.)</li>
|
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<li><strong>Incident Investigation</strong>: Reconstruir qué pasó cuando</li>
|
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<li><strong>Event Sourcing Ready</strong>: Audit trail puede ser base para event sourcing architecture</li>
|
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<li><strong>User Accountability</strong>: Track quién hizo qué cuándo</li>
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</ol>
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<hr />
|
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<h2 id="alternatives-considered"><a class="header" href="#alternatives-considered">Alternatives Considered</a></h2>
|
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<h3 id="-logs-only-no-structured-audit"><a class="header" href="#-logs-only-no-structured-audit">❌ Logs Only (No Structured Audit)</a></h3>
|
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<ul>
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<li><strong>Pros</strong>: Simple</li>
|
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<li><strong>Cons</strong>: Hard to query, no compliance value</li>
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</ul>
|
|
<h3 id="-application-embedded-logging"><a class="header" href="#-application-embedded-logging">❌ Application-Embedded Logging</a></h3>
|
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<ul>
|
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<li><strong>Pros</strong>: Close to business logic</li>
|
|
<li><strong>Cons</strong>: Fragmented, easy to miss events</li>
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</ul>
|
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<h3 id="-centralized-audit-trail-chosen"><a class="header" href="#-centralized-audit-trail-chosen">✅ Centralized Audit Trail (CHOSEN)</a></h3>
|
|
<ul>
|
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<li>Queryable, compliant, comprehensive</li>
|
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</ul>
|
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<hr />
|
|
<h2 id="trade-offs"><a class="header" href="#trade-offs">Trade-offs</a></h2>
|
|
<p><strong>Pros</strong>:</p>
|
|
<ul>
|
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<li>✅ Queryable by workflow, actor, event type</li>
|
|
<li>✅ Compliance-ready</li>
|
|
<li>✅ Incident investigation support</li>
|
|
<li>✅ Event sourcing ready</li>
|
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</ul>
|
|
<p><strong>Cons</strong>:</p>
|
|
<ul>
|
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<li>⚠️ Storage overhead (every event logged)</li>
|
|
<li>⚠️ Query performance depends on indexing</li>
|
|
<li>⚠️ Retention policy tradeoff</li>
|
|
</ul>
|
|
<hr />
|
|
<h2 id="implementation"><a class="header" href="#implementation">Implementation</a></h2>
|
|
<p><strong>Audit Event Model</strong>:</p>
|
|
<pre><pre class="playground"><code class="language-rust"><span class="boring">#![allow(unused)]
|
|
</span><span class="boring">fn main() {
|
|
</span>// crates/vapora-backend/src/audit.rs
|
|
|
|
pub struct AuditEvent {
|
|
pub id: String,
|
|
pub timestamp: DateTime<Utc>,
|
|
pub actor: String, // User ID or service name
|
|
pub action: AuditAction, // Create, Update, Delete, Execute
|
|
pub resource_type: String, // Project, Task, Agent, Workflow
|
|
pub resource_id: String,
|
|
pub details: serde_json::Value, // Action-specific details
|
|
pub outcome: AuditOutcome, // Success, Failure, PartialSuccess
|
|
pub error: Option<String>, // Error message if failed
|
|
}
|
|
|
|
#[derive(Debug, Clone, Serialize, Deserialize)]
|
|
pub enum AuditAction {
|
|
Create,
|
|
Update,
|
|
Delete,
|
|
Execute,
|
|
Assign,
|
|
Complete,
|
|
Override,
|
|
QuerySecret,
|
|
ViewAudit,
|
|
}
|
|
|
|
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
|
pub enum AuditOutcome {
|
|
Success,
|
|
Failure,
|
|
PartialSuccess,
|
|
}
|
|
<span class="boring">}</span></code></pre></pre>
|
|
<p><strong>Logging Events</strong>:</p>
|
|
<pre><pre class="playground"><code class="language-rust"><span class="boring">#![allow(unused)]
|
|
</span><span class="boring">fn main() {
|
|
</span>pub async fn log_event(
|
|
db: &Surreal<Ws>,
|
|
actor: &str,
|
|
action: AuditAction,
|
|
resource_type: &str,
|
|
resource_id: &str,
|
|
details: serde_json::Value,
|
|
outcome: AuditOutcome,
|
|
) -> Result<String> {
|
|
let event = AuditEvent {
|
|
id: uuid::Uuid::new_v4().to_string(),
|
|
timestamp: Utc::now(),
|
|
actor: actor.to_string(),
|
|
action,
|
|
resource_type: resource_type.to_string(),
|
|
resource_id: resource_id.to_string(),
|
|
details,
|
|
outcome,
|
|
error: None,
|
|
};
|
|
|
|
let id = db
|
|
.create("audit_events")
|
|
.content(&event)
|
|
.await?
|
|
.id
|
|
.unwrap();
|
|
|
|
Ok(id)
|
|
}
|
|
|
|
pub async fn log_event_with_error(
|
|
db: &Surreal<Ws>,
|
|
actor: &str,
|
|
action: AuditAction,
|
|
resource_type: &str,
|
|
resource_id: &str,
|
|
error: String,
|
|
) -> Result<String> {
|
|
let event = AuditEvent {
|
|
id: uuid::Uuid::new_v4().to_string(),
|
|
timestamp: Utc::now(),
|
|
actor: actor.to_string(),
|
|
action,
|
|
resource_type: resource_type.to_string(),
|
|
resource_id: resource_id.to_string(),
|
|
details: json!({}),
|
|
outcome: AuditOutcome::Failure,
|
|
error: Some(error),
|
|
};
|
|
|
|
let id = db
|
|
.create("audit_events")
|
|
.content(&event)
|
|
.await?
|
|
.id
|
|
.unwrap();
|
|
|
|
Ok(id)
|
|
}
|
|
<span class="boring">}</span></code></pre></pre>
|
|
<p><strong>Audit Integration in Handlers</strong>:</p>
|
|
<pre><pre class="playground"><code class="language-rust"><span class="boring">#![allow(unused)]
|
|
</span><span class="boring">fn main() {
|
|
</span>// In task creation handler
|
|
pub async fn create_task(
|
|
State(app_state): State<AppState>,
|
|
Path(project_id): Path<String>,
|
|
Json(req): Json<CreateTaskRequest>,
|
|
) -> Result<Json<Task>, ApiError> {
|
|
let user = get_current_user()?;
|
|
|
|
// Create task
|
|
let task = app_state
|
|
.task_service
|
|
.create_task(&user.tenant_id, &project_id, &req)
|
|
.await?;
|
|
|
|
// Log audit event
|
|
app_state.audit_log(
|
|
&user.id,
|
|
AuditAction::Create,
|
|
"task",
|
|
&task.id,
|
|
json!({
|
|
"project_id": &project_id,
|
|
"title": &task.title,
|
|
"priority": &task.priority,
|
|
}),
|
|
AuditOutcome::Success,
|
|
).await.ok(); // Don't fail if audit logging fails
|
|
|
|
Ok(Json(task))
|
|
}
|
|
<span class="boring">}</span></code></pre></pre>
|
|
<p><strong>Querying Audit Trail</strong>:</p>
|
|
<pre><pre class="playground"><code class="language-rust"><span class="boring">#![allow(unused)]
|
|
</span><span class="boring">fn main() {
|
|
</span>pub async fn query_audit_trail(
|
|
db: &Surreal<Ws>,
|
|
filters: AuditQuery,
|
|
) -> Result<Vec<AuditEvent>> {
|
|
let mut query = String::from(
|
|
"SELECT * FROM audit_events WHERE 1=1"
|
|
);
|
|
|
|
if let Some(workflow_id) = filters.workflow_id {
|
|
query.push_str(&format!(" AND resource_id = '{}'", workflow_id));
|
|
}
|
|
if let Some(actor) = filters.actor {
|
|
query.push_str(&format!(" AND actor = '{}'", actor));
|
|
}
|
|
if let Some(action) = filters.action {
|
|
query.push_str(&format!(" AND action = '{:?}'", action));
|
|
}
|
|
if let Some(since) = filters.since {
|
|
query.push_str(&format!(" AND timestamp > '{}'", since));
|
|
}
|
|
|
|
query.push_str(" ORDER BY timestamp DESC LIMIT 1000");
|
|
|
|
let events = db.query(&query).await?
|
|
.take::<Vec<AuditEvent>>(0)?
|
|
.unwrap_or_default();
|
|
|
|
Ok(events)
|
|
}
|
|
<span class="boring">}</span></code></pre></pre>
|
|
<p><strong>Compliance Report</strong>:</p>
|
|
<pre><pre class="playground"><code class="language-rust"><span class="boring">#![allow(unused)]
|
|
</span><span class="boring">fn main() {
|
|
</span>pub async fn generate_compliance_report(
|
|
db: &Surreal<Ws>,
|
|
start_date: Date,
|
|
end_date: Date,
|
|
) -> Result<ComplianceReport> {
|
|
// Query all events in date range
|
|
let events = db.query(
|
|
"SELECT COUNT() as event_count, actor, action \
|
|
FROM audit_events \
|
|
WHERE timestamp >= $1 AND timestamp < $2 \
|
|
GROUP BY actor, action"
|
|
)
|
|
.bind((start_date, end_date))
|
|
.await?;
|
|
|
|
// Generate report with statistics
|
|
Ok(ComplianceReport {
|
|
period: (start_date, end_date),
|
|
total_events: events.len(),
|
|
unique_actors: /* count unique */,
|
|
actions_by_type: /* aggregate */,
|
|
failures: /* filter failures */,
|
|
})
|
|
}
|
|
<span class="boring">}</span></code></pre></pre>
|
|
<p><strong>Key Files</strong>:</p>
|
|
<ul>
|
|
<li><code>/crates/vapora-backend/src/audit.rs</code> (audit implementation)</li>
|
|
<li><code>/crates/vapora-backend/src/api/</code> (audit logging in handlers)</li>
|
|
<li><code>/crates/vapora-backend/src/services/</code> (audit logging in services)</li>
|
|
</ul>
|
|
<hr />
|
|
<h2 id="verification"><a class="header" href="#verification">Verification</a></h2>
|
|
<pre><code class="language-bash"># Test audit event creation
|
|
cargo test -p vapora-backend test_audit_event_logging
|
|
|
|
# Test audit trail querying
|
|
cargo test -p vapora-backend test_query_audit_trail
|
|
|
|
# Test filtering by actor/action/resource
|
|
cargo test -p vapora-backend test_audit_filtering
|
|
|
|
# Test error logging
|
|
cargo test -p vapora-backend test_audit_error_logging
|
|
|
|
# Integration: full workflow with audit
|
|
cargo test -p vapora-backend test_audit_full_workflow
|
|
|
|
# Compliance report generation
|
|
cargo test -p vapora-backend test_compliance_report_generation
|
|
</code></pre>
|
|
<p><strong>Expected Output</strong>:</p>
|
|
<ul>
|
|
<li>All significant events logged</li>
|
|
<li>Queryable by workflow/actor/action</li>
|
|
<li>Timestamps accurate</li>
|
|
<li>Errors captured with messages</li>
|
|
<li>Compliance reports generated correctly</li>
|
|
</ul>
|
|
<hr />
|
|
<h2 id="consequences"><a class="header" href="#consequences">Consequences</a></h2>
|
|
<h3 id="data-management"><a class="header" href="#data-management">Data Management</a></h3>
|
|
<ul>
|
|
<li>Audit events retained per compliance policy</li>
|
|
<li>Separate archive for long-term retention</li>
|
|
<li>Immutable logs (append-only)</li>
|
|
</ul>
|
|
<h3 id="performance"><a class="header" href="#performance">Performance</a></h3>
|
|
<ul>
|
|
<li>Audit logging should not block main operation</li>
|
|
<li>Async logging to avoid latency impact</li>
|
|
<li>Indexes on (resource_id, timestamp) for queries</li>
|
|
</ul>
|
|
<h3 id="privacy"><a class="header" href="#privacy">Privacy</a></h3>
|
|
<ul>
|
|
<li>Sensitive data (passwords, keys) not logged</li>
|
|
<li>PII handled per data protection regulations</li>
|
|
<li>Access to audit trail restricted</li>
|
|
</ul>
|
|
<h3 id="compliance"><a class="header" href="#compliance">Compliance</a></h3>
|
|
<ul>
|
|
<li>Supports HIPAA, SOC2, GDPR requirements</li>
|
|
<li>Incident investigation support</li>
|
|
<li>Regulatory audit trail available</li>
|
|
</ul>
|
|
<hr />
|
|
<h2 id="references"><a class="header" href="#references">References</a></h2>
|
|
<ul>
|
|
<li><code>/crates/vapora-backend/src/audit.rs</code> (implementation)</li>
|
|
<li>ADR-011 (SecretumVault - secrets management)</li>
|
|
<li>ADR-025 (Multi-Tenancy - tenant isolation)</li>
|
|
</ul>
|
|
<hr />
|
|
<p><strong>Related ADRs</strong>: ADR-011 (Secrets), ADR-025 (Multi-Tenancy), ADR-009 (Istio)</p>
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