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Serverless Framework v1 で --profileオプション / --regionオプションを作って AWS CLI credentialsを活用する

Last updated at Posted at 2016-10-06

バージョン

$ sw_vers
ProductName:	Mac OS X
ProductVersion:	10.11.6
BuildVersion:	15G1004
$
$ $(npm bin)/sls -v
1.0.0-rc.2
$

何がしたかったか

serverless.yml に profile を直接書きたくなかった。


service: new-service
provider:
  name: aws
  runtime: nodejs4.3
  stage: ${opt:stage, self:custom.defaultStage}
  profile: ${self:custom.profiles.${self:provider.stage}}
custom:
  defaultStage: dev
  profiles:
    #ここ
    dev: devProfile
    #ここ
    prod: prodProfile

みたいにprofile名を直接書いちゃうとgit repoにのせずらいなーと思った。

なおかつ、slsコマンドが AWS_DEFAULT_PROFILE 環境変数を見ない感じだった。

こうした

service: test-sls-v1
provider:
  name: aws
  runtime: python2.7
  stage: ${opt:stage, self:custom.defaultStage}
  #profileオプション追加
  profile: ${opt:profile, self:custom.defaultProfile}
  #regionオプション追加
  region: ${opt:region, self:custom.defaultRegion}
custom:
  defaultStage: dev
  #何も指定がなければ default profile
  defaultProfile: default
  #何も指定がなければ 東京リージョン
  defaultRegion: ap-northeast-1
functions:
  hello:
    handler: handler.hello

こんな感じでprofileオプションを指定できるので AWS CLIぽく使える。

$ $(npm bin)/sls deploy --profile hogehoge-user

参考:

serverless/credentials.md at master · serverless/serverless

https://github.com/serverless/serverless/blob/master/docs/providers/aws/guide/credentials.md

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