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lib/docker.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+
+install_docker() {
+    log_info "Installing Docker..."
+
+    # Update package index and install prerequisites
+    handle_error sudo apt-get update
+    handle_error sudo apt-get install -y apt-transport-https ca-certificates curl software-properties-common
+
+    # Add Docker's official GPG key
+    handle_error curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+
+    # Add Docker's official APT repository
+    handle_error sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+
+    # Update package index again
+    handle_error sudo apt-get update
+
+    # Install Docker CE
+    handle_error sudo apt-get install -y docker-ce
+
+    # Add user to the docker group
+    handle_error sudo usermod -aG docker "$NEW_USER"
+
+    case $DISTRO in
+        ubuntu|debian)
+            handle_error sudo apt-get install -y docker.io
+            ;;
+        fedora)
+            handle_error sudo dnf install -y docker
+            ;;
+        arch)
+            handle_error sudo pacman -S --noconfirm docker
+            ;;
+        opensuse)
+            handle_error sudo zypper install -y docker
+            ;;
+        *)
+            log_error "Unsupported Linux distribution: $DISTRO"
+            exit 1
+            ;;
+    esac
+    handle_error sudo systemctl enable docker
+    handle_error sudo systemctl start docker
+
+    # Configure Docker data directory
+    if [[ "$DOCKER_DATA_DIR" != "$DEFAULT_DOCKER_DATA_DIR" ]]; then
+        log_info "Configuring Docker data directory to $DOCKER_DATA_DIR..."
+        handle_error sudo mkdir -p "$DOCKER_DATA_DIR"
+        echo "{\"data-root\": \"$DOCKER_DATA_DIR\"}" | sudo tee /etc/docker/daemon.json > /dev/null
+        handle_error sudo systemctl restart docker
+    fi
+
+    export DOCKER_CONTENT_TRUST=1
+
+    log_info "Docker installed successfully."
+    log_info "Instructions for installing Docker in rootless mode:"
+    echo "1. Ensure required packages are installed: uidmap"
+    echo "2. Run Docker rootless installation script: curl -fsSL https://get.docker.com/rootless | sh"
+    echo "3. Set the following environment variables in your shell profile (e.g., ~/.bashrc):"
+    echo "   export PATH=/usr/bin:\$PATH"
+    echo "   export DOCKER_HOST=unix:///run/user/\$(id -u)/docker.sock"
+    echo "4. Start and enable Docker service in user mode:"
+    echo "   systemctl --user start docker"
+    echo "   systemctl --user enable docker"
+    echo "5. Enable linger for the user:"
+    echo "   sudo loginctl enable-linger \$(whoami)"
+}