Ported CLI from commander to yargs because yargs suits our large CLI better and is easier to develop with. Split commands into separate files since the file was getting annoyingly long.

lib/cli/storage-temp/index.js

@@ -0,0 +1,43 @@
+module.exports.command = 'storage-s3'
+
+module.exports.describe = 'Start an S3 storage unit.'
+
+module.exports.builder = function(yargs) {
+  return yargs
+    .env('STF_STORAGE_S3')
+    .strict()
+    .option('bucket', {
+      describe: 'S3 bucket name.'
+    , type: 'string'
+    , demand: true
+    })
+    .option('endpoint', {
+      describe: 'S3 bucket endpoint.'
+    , type: 'string'
+    , demand: true
+    })
+    .option('port', {
+      alias: 'p'
+    , describe: 'The port to bind to.'
+    , type: 'number'
+    , default: process.env.PORT || 7100
+    })
+    .option('profile', {
+      describe: 'AWS credentials profile name.'
+    , type: 'string'
+    , demand: true
+    })
+    .epilog('Each option can be be overwritten with an environment variable ' +
+      'by converting the option to uppercase, replacing dashes with ' +
+      'underscores and prefixing it with `STF_STORAGE_S3_` (e.g. ' +
+      '`STF_STORAGE_S3_PROFILE`).')
+}
+
+module.exports.handler = function(argv) {
+  return require('../../units/storage/s3')({
+    port: argv.port
+  , profile: argv.profile
+  , bucket: argv.bucket
+  , endpoint: argv.endpoint
+  })
+}