function start_execution(
sm_arn,
version
) {
const sf = new AWS.StepFunctions();
return sf.startExecution({
stateMachineArn: sm_arn,
input: JSON.stringify({version: version}),
name: version+'-build-'+crypto.randomBytes(8).toString('hex'),
}).promise();
}
exports.handler = (event, context, callback) => {
const sf = new AWS.StepFunctions();
event.stepFunctionExecutionStates = {};
event.allStepFunctionExecutionsFinished = true;
promise.all(
event.stepFunctionExecutions.map(arn => {
return sf.describeExecution({
executionArn: arn
}).promise();
})
).then(results => {
results.forEach(function(r) {
const arn = r.executionArn;
const state = r.status;
event.stepFunctionExecutionStates[arn] = state;
if (state === 'RUNNING') {
event.allStepFunctionExecutionsFinished = false;
}
});
callback(null, event);
}).done();
};
// kick off processing next CSV file
function invokeLambda(bucket, key, nextFileNum, lastFileNum, arn, retries) {
// figure out if there's a next file to process
if (nextFileNum && arn) {
const stepfunctions = new AWS.StepFunctions()
const params = {
stateMachineArn: arn,
input: JSON.stringify({ bucket, key, currentFileNum: nextFileNum, lastFileNum, arn, retries}),
name: `ingest_${nextFileNum}_${Date.now()}`
}
stepfunctions.startExecution(params, function(err, data) {
if (err) {
console.log(err, err.stack)
} else {
console.log(`launched ${JSON.stringify(params)}`)
}
})
}
}
exports.handler = (event, context, callback) => {
const sm_arn = 'arn:aws:states:us-west-2:223121549624:stateMachine:hhvm-build';
const version = event.version;
if (version === undefined) {
callback('version must be defined', event);
}
const sf = new AWS.StepFunctions();
sf.startExecution({
stateMachineArn: sm_arn,
input: JSON.stringify(event),
name: version+'-build-'+crypto.randomBytes(8).toString('hex'),
}, function(err, data) {
if (err) {
callback(err, null);
return;
}
event.stepFunctionExecutions = [data.executionArn];
callback(null, event);
});
};
event.stepFunctionExecutions.map(arn => {
return sf.describeExecution({
executionArn: arn
}).promise();
})