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Lambda + Apex 事例紹介 ~ 全ては AWS コスト削減のために ~ / Case Study of Lambda and Apex

Lambda + Apex 事例紹介 ~ 全ては AWS コスト削減のために ~ / Case Study of Lambda and Apex

Lambda + Apex 事例紹介
~ 全ては AWS コスト削減のために ~

Yoshiaki Yoshida

March 10, 2017
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  9. var child = require('child_process') var byline = require('./byline') /** *

    Callback for the request. */ var callback /** * Child process for binary I/O. */ var proc = child.spawn('./main', { stdio: ['pipe', 'pipe', process.stderr] }) proc.on('error', function(err){ console.error('[shim] error: %s', err) process.exit(1) }) proc.on('exit', function(code, signal){ console.error('[shim] exit: code=%s signal=%s', code, signal) process.exit(1) }) index.js ࢠϓϩηεͰ (P NBJO Λಈ͔ͯ͠ ϓϩηεؒ௨৴Λ͢Δ ඪ४ೖྗ TUEJO  ඪ४ग़ྗ TUEPVU  ඪ४Τϥʔग़ྗ TUEFSS
  10. /** * Newline-delimited JSON stdout. */ var out = byline(proc.stdout)

    out.on('data', function(line){ if (process.env.DEBUG_SHIM) console.log('[shim] parsing: `%s`', line) var msg = JSON.parse(line) callback(msg.error, msg.value) }) /** * Handle events. */ exports.handle = function(event, ctx, cb) { callback = cb ctx.callbackWaitsForEmptyEventLoop = false proc.stdin.write(JSON.stringify({ "event": event, "context": ctx })+'\n'); } index.js (Pͷඪ४ग़ྗΛฦ͢ \ ʢதུʣ FOWJSPONFOU\ %&#6(@4)*.USVF ^ ^ ։ൃத͸σόοάϞʔυ ʹ͓ͯ͘͠ͱศར