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* Workflow tracker for cookbook execution
*/
const api = require('@opentelemetry/api');
class WorkflowTracker {
constructor(serviceName) {
this.serviceName = serviceName;
this.tracer = api.trace.getTracer('workflow-tracker');
this.activeWorkflows = new Map();
}
/**
* Start a new workflow
*/
start(workflowId, workflowType, attributes = {}) {
const span = this.tracer.startSpan(`workflow.${workflowType}`, {
attributes: {
'workflow.id': workflowId,
'workflow.type': workflowType,
'workflow.service': this.serviceName,
'workflow.start_time': new Date().toISOString(),
...attributes
}
});
this.activeWorkflows.set(workflowId, {
span,
type: workflowType,
startTime: Date.now(),
steps: []
});
if (this.logger && this.logger.info) {
this.logger.info(`[Workflow] Started ${workflowType} [${workflowId}]`);
} else {
console.log(`[Workflow] Started ${workflowType} [${workflowId}]`);
}
return workflowId;
}
/**
* Add a step to workflow
*/
step(workflowId, stepName, attributes = {}) {
const workflow = this.activeWorkflows.get(workflowId);
if (!workflow) {
console.warn(`[Workflow] Unknown workflow ${workflowId}`);
return;
}
const stepSpan = this.tracer.startSpan(`workflow.step.${stepName}`, {
parent: workflow.span,
attributes: {
'workflow.id': workflowId,
'workflow.step': stepName,
'workflow.step_index': workflow.steps.length,
...attributes
}
});
workflow.steps.push({
name: stepName,
span: stepSpan,
startTime: Date.now()
});
console.log(`[Workflow] Step ${stepName} for ${workflowId}`);
return stepSpan;
}
/**
* Complete a workflow step
*/
completeStep(workflowId, stepName, status = 'success', attributes = {}) {
const workflow = this.activeWorkflows.get(workflowId);
if (!workflow) return;
const step = workflow.steps.find(s => s.name === stepName);
if (step && step.span) {
step.span.setAttributes({
'workflow.step_status': status,
'workflow.step_duration': Date.now() - step.startTime,
...attributes
});
step.span.end();
}
console.log(`[Workflow] Completed step ${stepName} [${status}]`);
}
/**
* End workflow
*/
end(workflowId, status = 'success', attributes = {}) {
const workflow = this.activeWorkflows.get(workflowId);
if (!workflow) {
console.warn(`[Workflow] Unknown workflow ${workflowId}`);
return;
}
// End any open steps
workflow.steps.forEach(step => {
Eif (step.span && !step.span.ended) {
step.span.end();
}
});
// End workflow span
workflow.span.setAttributes({
'workflow.status': status,
'workflow.duration': Date.now() - workflow.startTime,
'workflow.steps_count': workflow.steps.length,
'workflow.end_time': new Date().toISOString(),
...attributes
});
workflow.span.end();
this.activeWorkflows.delete(workflowId);
console.log(`[Workflow] Ended ${workflow.type} [${workflowId}] - ${status}`);
}
/**
* Record workflow error
*/
error(workflowId, error, attributes = {}) {
const workflow = this.activeWorkflows.get(workflowId);
Iif (!workflow) return;
workflow.span.recordException(error);
workflow.span.setStatus({
code: api.SpanStatusCode.ERROR,
message: error.message
});
workflow.span.setAttributes({
'workflow.error': error.message,
'workflow.error_type': error.constructor.name,
...attributes
});
console.error(`[Workflow] Error in ${workflowId}:`, error.message);
}
/**
* Add event to workflow
*/
addEvent(workflowId, eventName, attributes = {}) {
const workflow = this.activeWorkflows.get(workflowId);
if (!workflow) return;
workflow.span.addEvent(eventName, attributes);
console.log(`[Workflow] Event ${eventName} for ${workflowId}`);
}
/**
* Get active workflow
*/
getWorkflow(workflowId) {
return this.activeWorkflows.get(workflowId);
}
/**
* List active workflows
*/
listActive() {
return Array.from(this.activeWorkflows.keys());
}
}
module.exports = {
WorkflowTracker
}; |