Add install-docker.sh

install-docker.sh

@@ -0,0 +1,136 @@
+#!/bin/bash
+
+# Script to install Docker on Ubuntu 24.04
+# Must be run with root privileges
+
+# Error handling
+set -e
+trap 'echo "Error on line $LINENO. Exit code: $?"' ERR
+
+# Utility functions
+log_message() {
+    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1"
+}
+
+is_step_completed() {
+    [ -f "/var/log/docker_install/$1" ]
+}
+
+save_checkpoint() {
+    mkdir -p /var/log/docker_install
+    touch "/var/log/docker_install/$1"
+}
+
+# Check if script is run as root
+if [ "$EUID" -ne 0 ]; then 
+    echo "Please run as root"
+    exit 1
+fi
+
+# Check Ubuntu version
+if ! grep -q "Ubuntu 24.04" /etc/os-release; then
+    log_message "Warning: This script is designed for Ubuntu 24.04. Your version may differ."
+    read -p "Do you want to continue? (y/N) " -n 1 -r
+    echo
+    if [[ ! $REPLY =~ ^[Yy]$ ]]; then
+        exit 1
+    fi
+fi
+
+# Remove old versions if exist
+if ! is_step_completed "old_versions_removed"; then
+    log_message "Removing old Docker versions if they exist..."
+    for pkg in docker.io docker-doc docker-compose docker-compose-v2 podman-docker containerd runc; do
+        apt-get remove -y $pkg >/dev/null 2>&1 || true
+    done
+    save_checkpoint "old_versions_removed"
+fi
+
+# Install prerequisites
+if ! is_step_completed "prerequisites_installed"; then
+    log_message "Installing prerequisites..."
+    apt-get update
+    apt-get install -y \
+        ca-certificates \
+        curl \
+        gnupg \
+        lsb-release
+    save_checkpoint "prerequisites_installed"
+fi
+
+# Install Docker
+if ! is_step_completed "docker_installed"; then
+    log_message "Installing Docker..."
+    install -m 0755 -d /etc/apt/keyrings
+    curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+    chmod a+r /etc/apt/keyrings/docker.asc
+
+    echo \
+      "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
+      $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
+      tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+    apt-get update
+    apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+
+    # Create docker user if not exists
+    if ! id "dockeruser" &>/dev/null; then
+        useradd -m -s /bin/bash dockeruser
+        usermod -aG docker dockeruser
+    fi
+
+    save_checkpoint "docker_installed"
+fi
+
+# Verify installation
+if ! is_step_completed "installation_verified"; then
+    log_message "Verifying Docker installation..."
+    if ! docker run hello-world > /dev/null; then
+        log_message "Error: Docker installation verification failed"
+        exit 1
+    fi
+    save_checkpoint "installation_verified"
+fi
+
+# Configure Docker to start on boot
+if ! is_step_completed "docker_configured"; then
+    log_message "Configuring Docker..."
+    systemctl enable docker.service
+    systemctl enable containerd.service
+    save_checkpoint "docker_configured"
+fi
+
+# Set up Docker daemon configuration
+if ! is_step_completed "daemon_configured"; then
+    log_message "Setting up Docker daemon configuration..."
+    mkdir -p /etc/docker
+    cat > /etc/docker/daemon.json <<EOF
+{
+    "log-driver": "json-file",
+    "log-opts": {
+        "max-size": "100m",
+        "max-file": "3"
+    },
+    "default-address-pools": [
+        {
+            "base": "172.17.0.0/16",
+            "size": 24
+        }
+    ]
+}
+EOF
+    save_checkpoint "daemon_configured"
+fi
+
+# Restart Docker to apply changes
+if ! is_step_completed "final_restart"; then
+    log_message "Restarting Docker service..."
+    systemctl restart docker
+    save_checkpoint "final_restart"
+fi
+
+log_message "Docker installation completed successfully!"
+log_message "Docker version: $(docker --version)"
+log_message "Docker Compose version: $(docker compose version)"
+log_message "Docker user 'dockeruser' has been created and added to the docker group"
+log_message "You may need to log out and back in for group changes to take effect"