Lab 5: Virtualization with Vagrant and VirtualBox

Vagrantfile

@@ -0,0 +1,89 @@
+Vagrant.configure("2") do |config|
+  config.vm.box = "ubuntu/jammy64"
+  config.vm.hostname = "quicknotes-vm"
+  config.vm.boot_timeout = 600
+
+  # NAT port forwarding: host-only access to QuickNotes.
+  config.vm.network "forwarded_port",
+    guest: 8080,
+    host: 18080,
+    host_ip: "127.0.0.1",
+    auto_correct: false
+
+  # Disable the default project-root mount and sync only the application.
+  config.vm.synced_folder ".", "/vagrant", disabled: true
+  config.vm.synced_folder "./app", "/opt/quicknotes-src",
+    type: "virtualbox"
+
+  config.vm.provider "virtualbox" do |vb|
+    vb.name = "quicknotes-lab5"
+    vb.memory = 1024
+    vb.cpus = 2
+    vb.gui = false
+    vb.customize ["modifyvm", :id, "--uartmode1", "disconnected"]
+  end
+
+  config.vm.provision "shell", privileged: true, inline: <<-SHELL
+    set -euxo pipefail
+
+    GO_VERSION="1.24.5"
+    GO_ARCHIVE="go${GO_VERSION}.linux-amd64.tar.gz"
+    GO_SHA256="10ad9e86233e74c0f6590fe5426895de6bf388964210eac34a6d83f38918ecdc"
+
+    export DEBIAN_FRONTEND=noninteractive
+    apt-get update
+    apt-get install -y ca-certificates curl
+
+    CURRENT_GO_VERSION=""
+    if [ -x /usr/local/go/bin/go ]; then
+      CURRENT_GO_VERSION=$(/usr/local/go/bin/go version | awk '{print $3}')
+    fi
+
+    if [ "${CURRENT_GO_VERSION}" != "go${GO_VERSION}" ]; then
+      curl -fsSLo "/tmp/${GO_ARCHIVE}" \
+        "https://go.dev/dl/${GO_ARCHIVE}"
+      echo "${GO_SHA256}  /tmp/${GO_ARCHIVE}" | sha256sum -c -
+
+      rm -rf /usr/local/go
+      tar -C /usr/local -xzf "/tmp/${GO_ARCHIVE}"
+      rm -f "/tmp/${GO_ARCHIVE}"
+    fi
+
+    ln -sf /usr/local/go/bin/go /usr/local/bin/go
+    ln -sf /usr/local/go/bin/gofmt /usr/local/bin/gofmt
+
+    install -d -o vagrant -g vagrant /var/lib/quicknotes
+
+    if [ ! -f /var/lib/quicknotes/notes.json ]; then
+      cp /opt/quicknotes-src/seed.json /var/lib/quicknotes/notes.json
+      chown vagrant:vagrant /var/lib/quicknotes/notes.json
+    fi
+
+    cd /opt/quicknotes-src
+    /usr/local/go/bin/go build -o /usr/local/bin/quicknotes .
+
+    cat > /etc/systemd/system/quicknotes.service <<'UNIT'
+    [Unit]
+    Description=QuickNotes service
+    After=network-online.target
+
+    [Service]
+    Type=simple
+    User=vagrant
+    Group=vagrant
+    WorkingDirectory=/opt/quicknotes-src
+    Environment=ADDR=:8080
+    Environment=DATA_PATH=/var/lib/quicknotes/notes.json
+    ExecStart=/usr/local/bin/quicknotes
+    Restart=on-failure
+    RestartSec=2
+
+    [Install]
+    WantedBy=multi-user.target
+UNIT
+
+    systemctl daemon-reload
+    systemctl enable quicknotes
+    systemctl restart quicknotes
+  SHELL
+end