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stormchaser_engine/handler/step/events/
failed.rs

1use crate::handler::{archive_workflow, dispatch_pending_steps, fetch_run, fetch_step_instance};
2use crate::workflow_machine::{state, WorkflowMachine};
3use anyhow::Result;
4use chrono::Utc;
5use sqlx::PgPool;
6use std::sync::Arc;
7use stormchaser_model::events::WorkflowFailedEvent;
8use stormchaser_model::events::{EventSource, EventType, WorkflowEventType};
9use stormchaser_model::nats::publish_cloudevent;
10use stormchaser_model::step::StepStatus;
11use stormchaser_tls::TlsReloader;
12use tracing::{error, info};
13
14use crate::handler::step::quota::release_step_quota_for_instance;
15
16use super::helpers::persist_step_test_reports;
17
18#[tracing::instrument(skip(event, pool, nats_client, tls_reloader), fields(run_id = tracing::field::Empty, step_id = tracing::field::Empty))]
19/// Handle step failed.
20pub async fn handle_step_failed(
21    event: stormchaser_model::events::StepFailedEvent,
22    pool: PgPool,
23    nats_client: async_nats::Client,
24    tls_reloader: Arc<TlsReloader>,
25) -> Result<()> {
26    let run_id = event.run_id;
27    let step_id = event.step_id;
28
29    let span = tracing::Span::current();
30    span.record("run_id", tracing::field::display(run_id));
31    span.record("step_id", tracing::field::display(step_id));
32    let error_msg = &event.error;
33    let exit_code = event.exit_code;
34
35    info!("Step {} (Run {}) failed: {}", step_id, run_id, error_msg);
36
37    let mut tx = pool.begin().await?;
38
39    if crate::db::lock_workflow_run(&mut *tx, run_id)
40        .await?
41        .is_none()
42    {
43        return Ok(());
44    }
45
46    let instance = fetch_step_instance(step_id, &mut *tx).await?;
47
48    // Ensure we don't process duplicate completion events
49    if instance.status == StepStatus::Succeeded || instance.status == StepStatus::Failed {
50        return Ok(());
51    }
52
53    let _ = release_step_quota_for_instance(&mut *tx, run_id, step_id).await;
54
55    let machine =
56        crate::step_machine::StepMachine::<crate::step_machine::state::Running>::from_instance(
57            instance.clone(),
58        );
59    let _ = machine
60        .fail(error_msg.to_string(), exit_code, &mut *tx)
61        .await?;
62
63    let attributes = [
64        opentelemetry::KeyValue::new("step_name", instance.step_name),
65        opentelemetry::KeyValue::new("step_type", instance.step_type),
66        opentelemetry::KeyValue::new("runner_id", instance.runner_id.unwrap_or_default()),
67        opentelemetry::KeyValue::new("error", error_msg.to_string()),
68    ];
69
70    crate::STEPS_FAILED.add(1, &attributes);
71
72    if let Some(started_at) = instance.started_at {
73        let duration = (Utc::now() - started_at).to_std().unwrap_or_default();
74        crate::STEP_DURATION.record(duration.as_secs_f64(), &attributes);
75    }
76
77    if let Some(outputs) = event
78        .outputs
79        .as_ref()
80        .map(|m| {
81            m.clone()
82                .into_iter()
83                .collect::<serde_json::Map<String, serde_json::Value>>()
84        })
85        .as_ref()
86    {
87        for (key, value) in outputs {
88            crate::db::upsert_step_output(&mut *tx, step_id, key, value).await?;
89        }
90    }
91
92    // Persist test reports even on failure
93    persist_step_test_reports(event.test_reports.as_ref(), &mut tx, run_id, step_id, &pool).await?;
94
95    let run = fetch_run(run_id, &mut *tx).await?;
96    let run_machine = WorkflowMachine::<state::Running>::new_from_run(run.clone());
97    let _ = run_machine
98        .fail(format!("Step {} failed: {}", step_id, error_msg), &mut *tx)
99        .await?;
100
101    let js = async_nats::jetstream::new(nats_client.clone());
102    use stormchaser_model::nats::NatsSubject;
103    if let Err(e) = publish_cloudevent(
104        &js,
105        NatsSubject::RunFailed,
106        EventType::Workflow(WorkflowEventType::Failed),
107        EventSource::Engine,
108        serde_json::to_value(WorkflowFailedEvent {
109            run_id,
110            event_type: EventType::Workflow(WorkflowEventType::Failed),
111            timestamp: chrono::Utc::now(),
112        })
113        .unwrap(),
114        None,
115        None,
116    )
117    .await
118    {
119        error!(
120            "Failed to publish workflow failed event for {}: {:?}",
121            run_id, e
122        );
123    }
124
125    crate::RUNS_FAILED.add(
126        1,
127        &[
128            opentelemetry::KeyValue::new("workflow_name", run.workflow_name),
129            opentelemetry::KeyValue::new("initiating_user", run.initiating_user),
130            opentelemetry::KeyValue::new("error", format!("Step {} failed", step_id)),
131        ],
132    );
133
134    tx.commit().await?;
135    info!("Workflow run {} failed, archiving...", run_id);
136    archive_workflow(run_id, pool.clone()).await?;
137
138    if let Err(e) = dispatch_pending_steps(run_id, pool, nats_client, tls_reloader).await {
139        error!(
140            "Failed to dispatch pending steps after failure for run {}: {:?}",
141            run_id, e
142        );
143    }
144
145    Ok(())
146}