Add Docker based github action

Author: wbeuil

.github/workflows/driftctl-action.yml

@@ -0,0 +1,36 @@
+name: Test driftctl-action
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Run driftctl
+        uses: ./
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          AWS_REGION: us-east-1
+          DCTL_NO_VERSION_CHECK: true
+          DCTL_FROM: "tfstate://tests/terraform.tfstate"
+          DCTL_FILTER: "Type=='unknown_type'" # Makes driftctl to exit 0 each time
+
+      - name: Run driftctl v0.5.0
+        uses: ./
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          AWS_REGION: us-east-1
+          DCTL_NO_VERSION_CHECK: true
+          DCTL_FROM: "tfstate://tests/terraform.tfstate"
+          DCTL_FILTER: "Type=='unknown_type'" # Makes driftctl to exit 0 each time
+        with:
+          version: 0.5.0

Dockerfile

@@ -0,0 +1,9 @@
+FROM alpine:3.12.4
+
+RUN apk add --update --no-cache curl git bash gnupg
+
+COPY . .
+
+RUN chmod +x /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]

README.md

@@ -1,2 +1,28 @@
-# driftctl-action
-GitHub Action for driftctl
+# GitHub Action for driftctl
+
+`driftctl-action` runs a full driftctl scan in your GitHub Actions workflow.
+
+## Inputs
+
+### `version`
+
+The version of driftctl to install. Default to `latest`.
+
+## Example usage
+
+```yml
+name: Test Workflow
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Run driftctl
+        uses: cloudskiff/driftctl-action@v1
+        with:
+          version: 0.6.0
+```

action.yml

@@ -0,0 +1,17 @@
+name: "driftctl-action"
+author: "CloudSkiff"
+description: "Run driftctl in your GitHub Actions workflow."
+
+runs:
+  using: "docker"
+  image: "Dockerfile"
+
+inputs:
+  version:
+    description: "The version of driftctl to install."
+    required: false
+    default: "latest"
+
+branding:
+  icon: "cloud"
+  color: "blue"

cloudskiff_pubkey.pem

@@ -0,0 +1,9 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
+mDMEYBv2ABYJKwYBBAHaRw8BAQdAstkQggX4bNXmfdiy+Cn6XrQLk0GNx+s4hbvu
+Oi6DBS60JENsb3Vkc2tpZmYgPHNlY3VyaXR5QGNsb3Vkc2tpZmYuY29tPoiQBBMW
+CAA4FiEEJ3ZmAFp/AdSE9jdtrMd2p5yCTr0FAmAb9gACGwMFCwkIBwIGFQoJCAsC
+BBYCAwECHgECF4AACgkQrMd2p5yCTr3CCgEA5kYdx5TMTHUJXwVs64QpQB5neN41
+y7EEnD7zWoZUMxcBAOeZxVsR6VZQENhpBpFcSJDSHAK6KDdrBYc2FpRDXQ4G
+=L0r6
+-----END PGP PUBLIC KEY BLOCK-----

entrypoint.sh

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+#!/bin/sh
+
+log_error() {
+  echo $1
+  exit 1
+}
+
+install_driftctl() {
+  echo "Installing dctlenv"
+  git clone --depth 1 --branch v0.1.3 https://github.com/wbeuil/dctlenv ~/.dctlenv
+  export PATH="$HOME/.dctlenv/bin:$PATH"
+  gpg --import cloudskiff_pubkey.pem
+
+  echo "Downloading driftctl:$version"
+  DCTLENV_PGP=1 dctlenv use $version
+}
+
+parse_inputs() {
+  # Required inputs
+  if [ "$INPUT_VERSION" != "" ]; then
+    version=$INPUT_VERSION
+  else
+    log_error "Input version cannot be empty"
+  fi
+}
+
+# First we need to parse inputs
+parse_inputs
+
+# Then we install the requested driftctl binary
+install_driftctl
+
+# Finally we run the scan command
+driftctl scan

tests/terraform.tfstate

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+{
+  "version": 4,
+  "terraform_version": "0.14.4",
+  "serial": 2,
+  "lineage": "de636df3-c5dc-c1cf-ed3b-8908a1e971b8",
+  "outputs": {
+    "public_ip": {
+      "value": "3.91.106.58",
+      "type": "string"
+    }
+  },
+  "resources": []
+}