Lambda tests

.github/workflows/pr.yml

@@ -1,4 +1,4 @@
-name: Rust
+name: Build & Test
 
 on:
   push:

.github/workflows/pr_lambda_integration_tests.yml

@@ -0,0 +1,143 @@
+name: Integration Tests
+
+on:
+  pull_request_target:
+    branches: [main, development]
+    types: [labeled, opened, synchronize]
+
+permissions:
+  pull-requests: write
+  id-token: write
+  contents: read
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  remove-label:
+    name: Remove 'run-tests' label
+    runs-on: ubuntu-latest
+    if: |
+      (github.event.pull_request.head.repo.full_name == github.repository) ||
+      (github.event.action == 'labeled' && github.event.label.name == 'run-tests')
+    steps:
+      - name: Remove run-tests label, if applicable
+        if: always() && github.event.label.name == 'run-tests'
+        uses: actions/[email protected]
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const { issue: { number: issue_number }, repo: { owner, repo } } = context;
+            const label = 'run-tests';
+            github.issues.removeLabel({ owner, repo, issue_number, name: label });
+
+  cfn-lambda-integration-tests:
+    name: Integration tests for cfn-guard-lambda
+    needs: remove-label
+    runs-on: ubuntu-latest
+    environment: Production # this environment needs manual approval for workflow to be deployed
+    env:
+      region: ${{ secrets.LAMBDA_AWS_REGION }}
+      role: ${{ secrets.LAMBDA_GITHUB_ACTION_ROLE }}
+      account_id: ${{ secrets.LAMBDA_AWS_ACCOUNT }}
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v2
+        with:
+          aws-region: ${{ env.region }}
+          role-to-assume: ${{ env.role }}
+          role-session-name: LambdaTestGitHubAction
+
+      - name: Generate identifiers
+        id: generate-identifiers
+        run: |
+          LAMBDA_FUNCTION_PREFIX=GhCfnGrd
+          LAMBDA_FUNCTION_SUFFIX=$(date +%s_%4N)
+          LAMBDA_FUNCTION_NAME=${LAMBDA_FUNCTION_PREFIX}_${LAMBDA_FUNCTION_SUFFIX}
+          ROLE_NAME="${LAMBDA_FUNCTION_NAME}_Role"
+
+          echo "LAMBDA_FUNCTION_NAME=${LAMBDA_FUNCTION_NAME}" >> $GITHUB_OUTPUT
+          echo "ROLE_NAME=${ROLE_NAME}" >> $GITHUB_OUTPUT
+
+          echo "Lambda Function Name: ${LAMBDA_FUNCTION_NAME}"
+          echo "Role Name: ${ROLE_NAME}"
+
+
+      - name: Deploy cfn-guard-lambda
+        env:
+          AWS_ACCOUNT_ID: ${{ env.account_id }}
+          AWS_REGION: ${{ env.region }}
+          LAMBDA_FUNCTION_NAME: ${{ steps.generate-identifiers.outputs.LAMBDA_FUNCTION_NAME }}
+          ROLE_NAME: ${{ steps.generate-identifiers.outputs.ROLE_NAME }}
+        run: |
+          rustup target add x86_64-unknown-linux-musl
+          cd guard-lambda
+          cargo build --release --target x86_64-unknown-linux-musl --verbose
+          cp ./../target/x86_64-unknown-linux-musl/release/cfn-guard-lambda ./bootstrap && zip lambda.zip bootstrap && rm bootstrap
+
+          aws iam create-role \
+            --role-name $ROLE_NAME \
+            --assume-role-policy-document '{"Version": "2012-10-17","Statement": [{ "Effect": "Allow", "Principal": {"Service": "lambda.amazonaws.com"}, "Action": "sts:AssumeRole"}]}'
+
+          aws iam attach-role-policy --role-name $ROLE_NAME \
+            --policy-arn arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
+
+          sleep 10
+
+          aws lambda create-function \
+            --function-name $LAMBDA_FUNCTION_NAME \
+            --handler guard.handler \
+            --zip-file fileb://./lambda.zip \
+            --runtime provided \
+            --role "arn:aws:iam::${AWS_ACCOUNT_ID}:role/${ROLE_NAME}" \
+            --environment Variables={RUST_BACKTRACE=1} \
+            --tracing-config Mode=Active \
+            --region $AWS_REGION
+
+
+      - name: Invoke Lambda and test output
+        env:
+          LAMBDA_FUNCTION_NAME: ${{ steps.generate-identifiers.outputs.LAMBDA_FUNCTION_NAME }}
+        run: |
+          aws lambda invoke \
+            --function-name $LAMBDA_FUNCTION_NAME \
+            --payload '{"data":"{\"Resources\":{\"NewVolume\":{\"Type\":\"AWS::EC2::Volume\",\"Properties\":{\"Size\":500,\"Encrypted\":true,\"AvailabilityZone\":\"us-west-2b\"}},\"NewVolume2\":{\"Type\":\"AWS::EC2::Volume\",\"Properties\":{\"Size\":50,\"Encrypted\":true,\"AvailabilityZone\":\"us-west-2c\"}}}}","rules":["let ec2_volumes = Resources.*[ Type == /EC2::Volume/ ]\nrule EC2_ENCRYPTION_BY_DEFAULT when %ec2_volumes !empty {\n    %ec2_volumes.Properties.Encrypted == true \n      <<\n            Violation: All EBS Volumes should be encryped \n            Fix: Set Encrypted property to true\n       >>\n}"],"verbose":false}' \
+            --cli-binary-format raw-in-base64-out \
+            output.json
+
+          echo '{"message":[{"data_from":"lambda-payload","rules_from":"lambda-rule","not_compliant":{},"not_applicable":[],"compliant":["EC2_ENCRYPTION_BY_DEFAULT"]}]}' > expected-output.json
+
+          difference=`diff expected-output.json output.json -w | wc -c`
+
+          if [ "$difference" != 0 ]
+          then
+            echo "Lambda output does not match the expected one"
+            echo "--------------------------------"
+            echo "Actual output:"
+            cat output.json
+            echo "--------------------------------"
+            echo "Expected output:"
+            cat expected-output.json
+            echo "--------------------------------"
+            echo "diff:"
+            echo "$difference"
+            exit 1
+          fi
+
+      - name: Clean up resources
+        if: success() || failure()
+        env:
+          LAMBDA_FUNCTION_NAME: ${{ steps.generate-identifiers.outputs.LAMBDA_FUNCTION_NAME }}
+          ROLE_NAME: ${{ steps.generate-identifiers.outputs.ROLE_NAME }}
+        run: |
+          aws lambda delete-function --function-name $LAMBDA_FUNCTION_NAME
+          aws iam detach-role-policy \
+            --role-name $ROLE_NAME \
+            --policy-arn arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
+          aws iam delete-role --role-name $ROLE_NAME

ATTRIBUTION

@@ -1687,4 +1687,17 @@ SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
 IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
+DEALINGS IN THE SOFTWARE.
+
+--
+actions/github-script
+
+The MIT License (MIT)
+
+Copyright (c) 2019 GitHub, Inc. and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.