Merge pull request #23 from FMotalleb/main

feat: Docker image

.dockerignore

@@ -0,0 +1,6 @@
+langs/
+README.md
+LICENSE
+.github/
+Dockerfile
+.*ignore

.github/workflows/docker-image.yml

@@ -0,0 +1,47 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# GitHub recommends pinning actions to a commit SHA.
+# To get a newer version, you will need to update the SHA.
+# You can also reference a tag or branch, but the action may change without warning.
+
+name: Publish Container to Github at dev
+
+on:
+  push:
+    branches:
+      - 'main'
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+      - name: Build and push Docker image
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -0,0 +1,15 @@
+FROM ruby:bookworm
+WORKDIR /license-generator
+COPY ./ ./
+RUN <<EOF
+gem install gitlab-license
+EOF
+VOLUME /license-generator/build
+ENV LICENSE_NAME="Tim Cook"
+ENV LICENSE_COMPANY="Apple Computer, Inc."
+ENV LICENSE_EMAIL="tcook@apple.com"
+ENV LICENSE_PLAN="ultimate"
+ENV LICENSE_USER_COUNT="2147483647"
+ENV LICENSE_EXPIRE_YEAR="2500"
+
+CMD [ "./make.sh" ]

README.md

@@ -32,25 +32,64 @@ Features are extracted from an object filled with constants. The most comprehens
 
 ## Usage
 
-### Prerequisites
+### Using Docker image (Zero setup)
+
+Using this method license files are generated under `./license` directory
+> Please note that in standard docker installations, owner of the files generated in license directory will be root
+
+#### Method (1): Pull image
+
+```bash
+docker run --rm -it \
+  -v "./license:/license-generator/build" \
+  -e LICENSE_NAME="Tim Cook" \
+  -e LICENSE_COMPANY="Apple Computer, Inc." \
+  -e LICENSE_EMAIL="tcook@apple.com" \
+  -e LICENSE_PLAN="ultimate" \
+  -e LICENSE_USER_COUNT="2147483647" \
+  -e LICENSE_EXPIRE_YEAR="2500" \
+  ghcr.io/lakr233/gitlab-license-generator:main
+```
+
+#### Method (2): Build image
+
+```bash
+git clone https://github.com/Lakr233/GitLab-License-Generator.git
+docker build GitLab-License-Generator -t gitlab-license-generator:main
+docker run --rm -it \
+  -v "./license:/license-generator/build" \
+  -e LICENSE_NAME="Tim Cook" \
+  -e LICENSE_COMPANY="Apple Computer, Inc." \
+  -e LICENSE_EMAIL="tcook@apple.com" \
+  -e LICENSE_PLAN="ultimate" \
+  -e LICENSE_USER_COUNT="2147483647" \
+  -e LICENSE_EXPIRE_YEAR="2500" \
+  gitlab-license-generator:main
+```
+
+### Manual: Prerequisites
 
 Before starting, ensure your environment is properly configured.
 
 #### 1. Install Ruby and gem
+
 To run this project, you need **Ruby** and the **gem** package manager.
 
 - **On Linux (Ubuntu/Debian)**:
+
   ```bash
   sudo apt update
   sudo apt install ruby-full
   ```
 
 - **On macOS** (via Homebrew):
+
   ```bash
   brew install ruby
   ```
 
 #### 2. Install Bundler and necessary gems
+
 After installing Ruby, you need to install **Bundler** to manage Ruby dependencies.
 
 ```bash
@@ -58,6 +97,7 @@ gem install bundler
 ```
 
 #### 3. Install the `gitlab-license` gem
+
 The project requires the `gitlab-license` gem, which will be automatically downloaded and used by the script.
 
 ```bash
@@ -67,6 +107,7 @@ gem install gitlab-license
 ### Steps to Generate the GitLab License
 
 #### 1. Clone the project repository
+
 Clone this project to your local machine.
 
 ```bash
@@ -75,6 +116,7 @@ cd GitLab-License-Generator
 ```
 
 #### 2. Run the `make.sh` script
+
 Once all the prerequisites are met, run the script:
 
 ```bash
@@ -82,6 +124,7 @@ Once all the prerequisites are met, run the script:
 ```
 
 The script will perform the following actions:
+
 - Download and extract the `gitlab-license` gem.
 - Copy and modify the required files.
 - Clone the GitLab source code from GitLab.com.
@@ -89,9 +132,11 @@ The script will perform the following actions:
 - Generate a GitLab license.
 
 #### 3. Replace the public key in GitLab
+
 The script generates a public key located in `build/public.key`. You need to replace GitLab’s existing public key with this newly generated one to ensure the license is accepted.
 
 - **If GitLab is installed on your server**:
+
   ```bash
   sudo cp ./build/public.key /opt/gitlab/embedded/service/gitlab-rails/.license_encryption_key.pub
   sudo gitlab-ctl reconfigure
@@ -107,12 +152,14 @@ The script generates a public key located in `build/public.key`. You need to rep
   ```
 
   Then restart the container:
+
   ```bash
   docker-compose down
   docker-compose up -d
   ```
 
 #### 4. Install the license in GitLab
+
 Once the public key is replaced, log in to GitLab’s admin interface to install the generated license.
 
 1. Log in to GitLab as an administrator.
@@ -121,24 +168,29 @@ Once the public key is replaced, log in to GitLab’s admin interface to install
 4. Check the **Terms of Service** checkbox and click **Add License**.
 
 If necessary, you can directly access the license upload page via:
+
 ```
 <YourGitLabURL>/admin/license/new
 ```
 
 #### 5. Disable Service Ping (optional)
+
 If you want to disable GitLab’s usage data collection (Service Ping), modify GitLab’s configuration file:
 
 - Open the configuration file:
+
   ```bash
   sudo nano /etc/gitlab/gitlab.rb
   ```
 
 - Add the following line:
+
   ```bash
   gitlab_rails['usage_ping_enabled'] = false
   ```
 
 - Reconfigure and restart GitLab:
+
   ```bash
   sudo gitlab-ctl reconfigure
   sudo gitlab-ctl restart

make.sh

@@ -17,7 +17,7 @@ if [ ! -f ".root" ]; then
 fi
 WORKING_DIR=$(pwd)
 
-mkdir temp 2> /dev/null || true
+mkdir temp 2>/dev/null || true
 
 echo "[*] fetching ruby gem version..."
 RB_GEM_NAME="gitlab-license"
@@ -30,14 +30,14 @@ while IFS= read -r line; do
         RB_GEM_VERSION=${RB_GEM_VERSION%")"}
         break
     fi
-done <<< "$RB_GEM_LIST_OUTPUT"
+done <<<"$RB_GEM_LIST_OUTPUT"
 
 echo "[*] gitlab-license version: $RB_GEM_VERSION"
 RB_GEM_DOWNLOAD_URL="https://rubygems.org/downloads/gitlab-license-$RB_GEM_VERSION.gem"
 RB_GEM_DOWNLOAD_PATH=$(pwd)/temp/gem/gitlab-license.gem
-mkdir -p $(dirname $RB_GEM_DOWNLOAD_PATH)
-curl -L $RB_GEM_DOWNLOAD_URL -o $RB_GEM_DOWNLOAD_PATH 1> /dev/null 2> /dev/null
-pushd $(dirname $RB_GEM_DOWNLOAD_PATH) > /dev/null
+mkdir -p "$(dirname "$RB_GEM_DOWNLOAD_PATH")"
+curl -L "$RB_GEM_DOWNLOAD_URL" -o "$RB_GEM_DOWNLOAD_PATH" 1>/dev/null 2>/dev/null
+pushd "$(dirname "$RB_GEM_DOWNLOAD_PATH")" >/dev/null
 tar -xf gitlab-license.gem
 tar -xf data.tar.gz
 
@@ -47,31 +47,34 @@ if [ ! -f "./lib/gitlab/license.rb" ]; then
 fi
 
 echo "[*] copying gem..."
-rm -rf "$WORKING_DIR/lib" || true
+rm -rf "${WORKING_DIR:?}/lib" || true
 mkdir -p "$WORKING_DIR/lib"
-cp -r ./lib/gitlab/* $WORKING_DIR/lib
-popd > /dev/null
+cp -r ./lib/gitlab/* "$WORKING_DIR/lib"
+popd >/dev/null
 
-pushd lib > /dev/null
+pushd lib >/dev/null
 echo "[*] patching lib requirements gem..."
 
 # Determine the operating system
 OS_TYPE="$(uname -s)"
 
-case "$OS_TYPE" in 
-    Linux*) 
-        sed_i_cmd="sed -i";;
-    Darwin*)
-        sed_i_cmd="sed -i ''";;
-    *) 
-        echo "Unsupported OS: $OS_TYPE";
-        exit 1;;
+case "$OS_TYPE" in
+Linux*)
+    sed_i_cmd="sed -i"
+    ;;
+Darwin*)
+    sed_i_cmd="sed -i ''"
+    ;;
+*)
+    echo "Unsupported OS: $OS_TYPE"
+    exit 1
+    ;;
 esac
 
 # replace `require 'gitlab/license/` with `require 'license/` to make it work
 find . -type f -exec $sed_i_cmd 's/require '\''gitlab\/license\//require_relative '\''license\//g' {} \;
 
-popd > /dev/null
+popd >/dev/null
 
 echo "[*] updated gem"
 
@@ -82,22 +85,21 @@ mkdir -p "$GITLAB_SOURCE_CODE_DIR"
 echo "[*] downloading features file..."
 curl -L https://gitlab.com/gitlab-org/gitlab/-/raw/master/ee/app/models/gitlab_subscriptions/features.rb?inline=false -o "$GITLAB_SOURCE_CODE_DIR/features.rb"
 
-
 BUILD_DIR=$(pwd)/build
-mkdir -p $BUILD_DIR
+mkdir -p "$BUILD_DIR"
 
 echo "[*] scanning features..."
 FEATURE_LIST_FILE=$BUILD_DIR/features.json
-rm -f $FEATURE_LIST_FILE || true
+rm -f "${FEATURE_LIST_FILE:?}" || true
 ./src/scan.features.rb \
-    -o $FEATURE_LIST_FILE \
+    -o "$FEATURE_LIST_FILE" \
     -f "$GITLAB_SOURCE_CODE_DIR/features.rb"
 
 echo "[*] generating key pair..."
 PUBLIC_KEY_FILE=$BUILD_DIR/public.key
 PRIVATE_KEY_FILE=$BUILD_DIR/private.key
-cp -f ./keys/public.key $PUBLIC_KEY_FILE
-cp -f ./keys/private.key $PRIVATE_KEY_FILE
+cp -f ./keys/public.key "$PUBLIC_KEY_FILE"
+cp -f ./keys/private.key "$PRIVATE_KEY_FILE"
 
 # execute following command to generate new keys
 # ./src/generator.keys.rb \
@@ -109,16 +111,16 @@ LICENSE_FILE=$BUILD_DIR/result.gitlab-license
 LICENSE_JSON_FILE=$BUILD_DIR/license.json
 
 ./src/generator.license.rb \
-    -f $FEATURE_LIST_FILE \
-    --public-key $PUBLIC_KEY_FILE \
-    --private-key $PRIVATE_KEY_FILE \
-    -o $LICENSE_FILE \
+    -f "$FEATURE_LIST_FILE" \
+    --public-key "$PUBLIC_KEY_FILE" \
+    --private-key "$PRIVATE_KEY_FILE" \
+    -o "$LICENSE_FILE" \
     --license-name "$LICENSE_NAME" \
     --license-company "$LICENSE_COMPANY" \
     --license-email "$LICENSE_EMAIL" \
     --license-plan "$LICENSE_PLAN" \
     --license-user-count "$LICENSE_USER_COUNT" \
     --license-expire-year "$LICENSE_EXPIRE_YEAR" \
-    --plain-license $LICENSE_JSON_FILE
+    --plain-license "$LICENSE_JSON_FILE"
 
-echo "[*] done $(basename $0)"
+echo "[*] done $(basename "$0")"