serverless/lib/plugins/run/utils/logEventGateway.js
2017-08-15 07:34:05 -07:00

75 lines
2.8 KiB
JavaScript

'use strict';
/* eslint-disable max-len */
const chalk = require('chalk');
const log = require('./log');
const os = require('os');
const colorPrefix = chalk.hex('#D86121');
const colorDim = chalk.hex('#777777');
const spaceSmall = ' ';
const prefix = colorPrefix(` Event Gateway${spaceSmall}`);
const serverlessColorPrefix = chalk.hex('#bdb018');
const serverlessPrefix = serverlessColorPrefix(` Serverless${spaceSmall}`);
const prettifyValue = value => {
const prettified = JSON.stringify(value, null, 2).replace(
new RegExp('\\n', 'g'),
`${os.EOL}${spaceSmall}`
);
return `${spaceSmall}${prettified}`;
};
const processMessage = msg => {
let parsedMsg;
try {
parsedMsg = JSON.parse(msg);
} catch (err) {
return false;
}
if (parsedMsg.msg === 'Function registered.') {
return `${prefix}Function '${parsedMsg.functionId}' registered`;
} else if (parsedMsg.msg === 'Subscription created.') {
return `${prefix}Subscription created for event '${parsedMsg.event}' and function '${parsedMsg.functionId}'`;
} else if (parsedMsg.msg === 'Subscription deleted.') {
return `${prefix}Subscription removed: event:${parsedMsg.event} >>> function:${parsedMsg.functionId}`;
} else if (parsedMsg.msg === 'Event received.') {
const event = JSON.parse(parsedMsg.event);
const text = `${prefix}Event '${event.event}' received:${os.EOL}${os.EOL}`;
return `${text}${colorDim(prettifyValue(event))}${os.EOL}`;
} else if (parsedMsg.msg === 'Function triggered.') {
const event = JSON.parse(parsedMsg.event);
const text = `Function '${parsedMsg.functionId}' triggered by event '${event.event}'${os.EOL}`;
return `${serverlessPrefix} ${text}`;
} else if (parsedMsg.msg.startsWith('Running in development mode with embedded etcd')) {
const partOne = 'Running in development mode with embedded etcd. Event API listening on ';
const re = new RegExp(`${partOne}(.*). Config API listening on (.*).`);
const found = parsedMsg.msg.match(re);
if (found) {
const apiText = `Event API listening on: ${found[1]}`;
return `${prefix}${apiText}${os.EOL}${prefix}Config API listening on: ${found[2]}`;
}
} else if (parsedMsg.msg === 'Function finished.') {
const response = prettifyValue(JSON.parse(parsedMsg.response));
const text = `Function '${parsedMsg.functionId}' finished:${os.EOL}${os.EOL}${colorDim(response)}${os.EOL}`;
return `${serverlessPrefix} ${text}`;
}
return false;
};
module.exports = msg => {
try {
const processedMsg = processMessage(msg);
if (processedMsg) {
log(`${processedMsg}${os.EOL}`);
}
} catch (err) {
// NOTE keep this here - it's a worse UX to skip messages
// rather than having an unformated message logged
log(`${prefix}raw output: ${colorDim(msg)}${os.EOL}`);
}
};