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GitLFS用のLambdaの.NETCoreをアップデートする

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S3 の GitLFS サーバ の Lambda関数 の .NETcore をアップデートする

経緯

AWS の Lambda にて .NETcore2.1 のサポートが 2021/09/20 で終了するとの通知が来たので、
以前構築したGitLFSサーバのLambda関数をアップデートすることに

  • CloudFormationの変更セットを使って、Lambda関数だけアップデートできるか検証する

手順

ファイル準備

新しいyamlファイルと鍵Zipファイルをアップする

SigningLambda:
    Type: AWS::Lambda::Function
    Properties:
        Code:
            S3Bucket: !Sub 'gitlfs-test'
            S3Key: Estranged.Lfs.Hosting.Lambda.zip
        Description: Generates S3 signed URLs for Git LFS
        FunctionName: !Ref AWS::StackName
        Handler: Estranged.Lfs.Hosting.Lambda::Estranged.Lfs.Hosting.Lambda.LambdaEntryPoint::FunctionHandlerAsync
        MemorySize: 512
        Role: !GetAtt SigningLambdaRole.Arn
        Runtime: dotnetcore3.1

S3key の部分と Runtime の部分を変える

S3 にアップロードして、オブジェクトURLをコピペしておく

CloudFormation 変更スタックとして実行

  • 変更セット作成
$ aws cloudformation create-change-set --stack-name gitlfs-server --change-set-name gitlfs-change-set --template-url 'https://gitlfs-test.s3.ap-northeast-1.amazonaws.com/git-lfs_new.yaml' --change-set-name gitlfs-change-set --parameters file://[path/to/params.json] --capabilities CAPABILITY_IAM

arn:aws:cloudformation:ap-northeast-1:571357558873:changeSet/gitlfs-change-set/79bed005-8343-42e0-924e-558f398812d1
arn:aws:cloudformation:ap-northeast-1:571357558873:stack/gitlfs-server/23a6e0c0-f467-11eb-82c8-0a9dd4300739
  • 変更セットの実行
$ aws cloudformation execute-change-set --change-set-name gitlfs-changeset --stack-name gitlfs-server

確認

コンソールで確認

  • CloudFormation Stack

スタックのステータスでUPDATE_COMPLETEになってたらOK

  • Lambda

ランタイム設定が .NET Core 3.1 になってたらOK

  • S3

バケットが変わらずそのままならOK

大丈夫そう!

Git LFS動作確認

$ git status
On branch master
Your branch is up to date with 'origin/master'.

Untracked files:
  (use "git add <file>..." to include in what will be committed)
        binaries/photos/Z6_02_01.jpg

nothing added to commit but untracked files present (use "git add" to track)

$ git add .
$ git commit -m "バイナリファイル追加"
[master de08335] バイナリファイル追加
 1 file changed, 3 insertions(+)
 create mode 100644 binaries/photos/Z6_02_01.jpg

$ git push
Enumerating objects: 8, done.1/1), 15 MB | 0 B/s                                                                                               
Counting objects: 100% (8/8), done.
Delta compression using up to 2 threads
Compressing objects: 100% (5/5), done.
Writing objects: 100% (5/5), 549 bytes | 549.00 KiB/s, done.
Total 5 (delta 2), reused 0 (delta 0), pack-reused 0
To https://git-codecommit.ap-northeast-1.amazonaws.com/v1/repos/lfs-test
   f59078c..de08335  master -> master
  • S3, CodeCommit 確認

→ちゃんとS3に実体だけUPされてる!

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