Use IAM Roles to push files on AWS S3.

workflow-templates/publish-go-nightly-task.yml

@@ -8,6 +8,7 @@ env:
   DIST_DIR: dist
   # The project's folder on Arduino's download server for uploading builds
   AWS_PLUGIN_TARGET: TODO_AWS_PLUGIN_TARGET
+  AWS_REGION: "us-east-1"
   ARTIFACT_NAME: dist
 
 # See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
@@ -172,8 +173,10 @@ jobs:
 
   publish-nightly:
     runs-on: ubuntu-latest
+    environment: production
     needs: notarize-macos
-    permissions: {}
+    permissions:
+      id-token: write # This is required for requesting the JWT
 
     steps:
       - name: Download artifact
@@ -188,15 +191,15 @@ jobs:
           TAG="nightly-$(date -u +"%Y%m%d")"
           sha256sum ${{ env.PROJECT_NAME }}_${TAG}* > ${TAG}-checksums.txt
 
+      - name: configure aws credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          role-to-assume: ${{ secrets.AWS_ROLE_TO_ASSUME }}
+          role-session-name: "github_${{ env.PROJECT_NAME }}"
+          aws-region: ${{ env.AWS_REGION }}
+
       - name: Upload release files on Arduino downloads servers
-        uses: docker://plugins/s3
-        env:
-          PLUGIN_SOURCE: "${{ env.DIST_DIR }}/*"
-          PLUGIN_TARGET: "${{ env.AWS_PLUGIN_TARGET }}nightly"
-          PLUGIN_STRIP_PREFIX: "${{ env.DIST_DIR }}/"
-          PLUGIN_BUCKET: ${{ secrets.DOWNLOADS_BUCKET }}
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+        run: aws s3 sync ${{ env.DIST_DIR }} s3://${{ secrets.DOWNLOADS_BUCKET }}${{ env.AWS_PLUGIN_TARGET }}nightly
 
   report:
     runs-on: ubuntu-latest

workflow-templates/release-go-crosscompile-task.md

@@ -37,6 +37,10 @@ The following project-specific variables must be set/configured in `release-go-c
 - `AWS_PLUGIN_TARGET`
 - `GO_VERSION`: version of Go used for development of the project, use at least [GO 1.16 to be able to use 64-bit ARM architecture on macOS](https://tip.golang.org/doc/go1.16#ports)
 
+#### AWS IAM Role
+
+We need a special [IAM Role](https://docs.aws.amazon.com/rolesanywhere/latest/userguide/introduction.html#access) to upload files on the S3 bucket. This IAM Role is able to generate short lived credentials with push access to specific S3 subpaths. To generate a new role for a new repository kindly ask DevOps (providing the repository link and path you need files on S3).
+
 #### Repository secrets
 
 The following [repository secrets](https://docs.github.com/actions/security-guides/encrypted-secrets#creating-encrypted-secrets-for-a-repository) must be defined:
@@ -47,8 +51,10 @@ The following [repository secrets](https://docs.github.com/actions/security-guid
 - `AC_PROVIDER` - the App Store Connect provider via. You can use the ID of the certificate identity (e.g., `7KT7ZWMCJT`) for this.
 - `AC_PASSWORD` - [App-specific password](https://support.apple.com/en-us/HT204397) created for the Apple ID.
 - `DOWNLOADS_BUCKET` - [AWS bucket](https://docs.aws.amazon.com/AmazonS3/latest/userguide/UsingBucket.html) on the downloads server.
-- `AWS_ACCESS_KEY_ID` - [AWS access key ID](https://docs.aws.amazon.com/general/latest/gr/aws-sec-cred-types.html#access-keys-and-secret-access-keys) for the downloads server.
-- `AWS_SECRET_ACCESS_KEY` - [AWS secret access key](https://docs.aws.amazon.com/general/latest/gr/aws-sec-cred-types.html#access-keys-and-secret-access-keys) for the downloads server.
+
+The following [environment secrets](https://docs.github.com/en/actions/deployment/targeting-different-environments/using-environments-for-deployment#environment-secrets) must be defined under `production` environment:
+
+- `AWS_ROLE_TO_ASSUME` - [AWS role](https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles.html) to generate temporary security credentials.
 
 ### Readme badge
 

workflow-templates/release-go-crosscompile-task.yml

@@ -8,6 +8,7 @@ env:
   DIST_DIR: dist
   # The project's folder on Arduino's download server for uploading builds
   AWS_PLUGIN_TARGET: TODO_AWS_PLUGIN_TARGET
+  AWS_REGION: "us-east-1"
   ARTIFACT_NAME: dist
   # See: https://github.com/actions/setup-go/tree/main#supported-version-syntax
   GO_VERSION: "1.17"
@@ -181,9 +182,11 @@ jobs:
 
   create-release:
     runs-on: ubuntu-latest
+    environment: production
     needs: notarize-macos
     permissions:
       contents: write
+      id-token: write # This is required for requesting the JWT
 
     steps:
       - name: Download artifact
@@ -218,12 +221,12 @@ jobs:
           # (all the files we need are in the DIST_DIR root)
           artifacts: ${{ env.DIST_DIR }}/*
 
+      - name: configure aws credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          role-to-assume: ${{ secrets.AWS_ROLE_TO_ASSUME }}
+          role-session-name: "github_${{ env.PROJECT_NAME }}"
+          aws-region: ${{ env.AWS_REGION }}
+
       - name: Upload release files on Arduino downloads servers
-        uses: docker://plugins/s3
-        env:
-          PLUGIN_SOURCE: "${{ env.DIST_DIR }}/*"
-          PLUGIN_TARGET: ${{ env.AWS_PLUGIN_TARGET }}
-          PLUGIN_STRIP_PREFIX: "${{ env.DIST_DIR }}/"
-          PLUGIN_BUCKET: ${{ secrets.DOWNLOADS_BUCKET }}
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+        run: aws s3 sync ${{ env.DIST_DIR }} s3://${{ secrets.DOWNLOADS_BUCKET }}${{ env.AWS_PLUGIN_TARGET }}

workflow-templates/release-go-task.md

@@ -36,6 +36,10 @@ The following project-specific variables must be set in `release-go-task.yml`:
 - `PROJECT_NAME`
 - `AWS_PLUGIN_TARGET`
 
+#### AWS IAM Role
+
+We need a special [IAM Role](https://docs.aws.amazon.com/rolesanywhere/latest/userguide/introduction.html#access) to upload files on the S3 bucket. This IAM Role is able to generate short lived credentials with push access to specific S3 subpaths. To generate a new role for a new repository kindly ask DevOps (providing the repository link and path you need files on S3).
+
 #### Repository secrets
 
 The following [repository secrets](https://docs.github.com/actions/security-guides/encrypted-secrets#creating-encrypted-secrets-for-a-repository) must be defined:
@@ -46,8 +50,10 @@ The following [repository secrets](https://docs.github.com/actions/security-guid
 - `AC_PROVIDER` - the App Store Connect provider via. You can use the ID of the certificate identity (e.g., `7KT7ZWMCJT`) for this.
 - `AC_PASSWORD` - [App-specific password](https://support.apple.com/en-us/HT204397) created for the Apple ID.
 - `DOWNLOADS_BUCKET` - [AWS bucket](https://docs.aws.amazon.com/AmazonS3/latest/userguide/UsingBucket.html) on the downloads server.
-- `AWS_ACCESS_KEY_ID` - [AWS access key ID](https://docs.aws.amazon.com/general/latest/gr/aws-sec-cred-types.html#access-keys-and-secret-access-keys) for the downloads server.
-- `AWS_SECRET_ACCESS_KEY` - [AWS secret access key](https://docs.aws.amazon.com/general/latest/gr/aws-sec-cred-types.html#access-keys-and-secret-access-keys) for the downloads server.
+
+The following [environment secrets](https://docs.github.com/en/actions/deployment/targeting-different-environments/using-environments-for-deployment#environment-secrets) must be defined under `production` environment:
+
+- `AWS_ROLE_TO_ASSUME` - [AWS role](https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles.html) to generate temporary security credentials.
 
 ### Readme badge
 

workflow-templates/release-go-task.yml

@@ -8,6 +8,7 @@ env:
   DIST_DIR: dist
   # The project's folder on Arduino's download server for uploading builds
   AWS_PLUGIN_TARGET: TODO_AWS_PLUGIN_TARGET
+  AWS_REGION: "us-east-1"
   ARTIFACT_NAME: dist
 
 on:
@@ -177,9 +178,11 @@ jobs:
 
   create-release:
     runs-on: ubuntu-latest
+    environment: production
     needs: notarize-macos
     permissions:
       contents: write
+      id-token: write # This is required for requesting the JWT
 
     steps:
       - name: Download artifact
@@ -222,12 +225,12 @@ jobs:
           # (all the files we need are in the DIST_DIR root)
           artifacts: ${{ env.DIST_DIR }}/*
 
+      - name: configure aws credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          role-to-assume: ${{ secrets.AWS_ROLE_TO_ASSUME }}
+          role-session-name: "github_${{ env.PROJECT_NAME }}"
+          aws-region: ${{ env.AWS_REGION }}
+
       - name: Upload release files on Arduino downloads servers
-        uses: docker://plugins/s3
-        env:
-          PLUGIN_SOURCE: "${{ env.DIST_DIR }}/*"
-          PLUGIN_TARGET: ${{ env.AWS_PLUGIN_TARGET }}
-          PLUGIN_STRIP_PREFIX: "${{ env.DIST_DIR }}/"
-          PLUGIN_BUCKET: ${{ secrets.DOWNLOADS_BUCKET }}
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+        run: aws s3 sync ${{ env.DIST_DIR }} s3://${{ secrets.DOWNLOADS_BUCKET }}${{ env.AWS_PLUGIN_TARGET }}