Add qemu image build scripts

.gitignore

@@ -1,2 +1,4 @@
 build/*
 *.pyc
+packer_build/*
+packer_cache/*

Makefile

@@ -37,6 +37,13 @@ prepare-package-env:
 	@scripts/pbuilder-config
 	@scripts/pbuilder-setup
 
+.PHONY: qemu
+.ONESHELL:
+qemu:
+	@set -e
+	@scripts/check-vm-build-env
+	@scripts/build-qemu-image
+
 .PHONY: clean
 .ONESHELL:
 clean:

scripts/build-qemu-image

@@ -0,0 +1,30 @@
+#!/bin/sh
+#
+# Copyright (C) 2016 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# File: build-qemu-image
+# Purpose:
+#   Build VyOS raw image for qemu.
+
+
+export ISO_IMAGE=./build/live-image-amd64.hybrid.iso
+export ISO_MD5_SUM=$(md5sum ${ISO_IMAGE} | awk '{print $1}')
+export PACKER_BUILD_DIR=packer_build
+export PACKER_LOG_PATH=${PACKER_BUILD_DIR}/build.log
+export PACKER_LOG=1
+
+mkdir -p ${PACKER_BUILD_DIR}
+
+packer build -only=qemu scripts/packer.json

scripts/check-vm-build-env

@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2016 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# File: check-vm-build-env
+# Purpose:
+#   Checks if packages required for VM image build are installed.
+
+
+import os
+import sys
+from distutils.spawn import find_executable
+
+required_packages = [
+    'make',
+    'qemu-system-x86',
+    'qemu-utils'
+]
+
+
+def is_installed(name):
+    result = os.system("dpkg-query -W --showformat='${{Status}}\n' {name} 2>&1 | grep 'install ok installed' >/dev/null".format(name=name))
+    return True if result == 0 else False
+
+
+missing_packages = []
+
+print("Checking if packages required for VyOS VM image build are installed")
+
+for p in required_packages:
+    if not is_installed(p):
+        missing_packages.append(p)
+
+if missing_packages:
+    print("Your system does not have some of the required packages installed.")
+    print("Please install the following packages:")
+    print(" ".join(missing_packages))
+    sys.exit(1)
+else:
+    print("All required packages are installed")
+
+if find_executable("packer"):
+    print("Your system has Packer.")
+else:
+    print("Your system does not have Packer.")
+    print("Please install Packer from https://www.packer.io/downloads.html.")
+    sys.exit(1)
+
+sys.exit(0)

scripts/packer.json

@@ -0,0 +1,62 @@
+{
+  "variables": {
+    "iso_url": "{{env `ISO_IMAGE`}}",
+    "iso_checksum": "{{env `ISO_MD5_SUM`}}",
+    "output_directory": "{{env `PACKER_BUILD_DIR`}}"
+  },
+  "builders":
+  [
+    {
+      "type": "qemu",
+      "iso_url": "{{user `iso_url`}}",
+      "iso_checksum": "{{user `iso_checksum`}}",
+      "iso_checksum_type": "md5",
+      "output_directory": "{{user `output_directory`}}/qemu",
+      "shutdown_command": "sudo halt -p",
+      "disk_size": 4096,
+      "format": "raw",
+      "headless": true,
+      "accelerator": "kvm",
+      "ssh_host_port_min": 2222,
+      "ssh_host_port_max": 2229,
+      "ssh_username": "vyos",
+      "ssh_password": "vyos",
+      "ssh_port": 22,
+      "ssh_wait_timeout": "30s",
+      "vm_name": "vyos_qemu_image.img",
+      "net_device": "virtio-net",
+      "disk_interface": "virtio",
+      "boot_wait": "5s",
+      "boot_command":
+      [
+        "<enter><wait10><wait10>",
+        "vyos<enter><wait>",
+        "vyos<enter><wait>",
+        "install image<enter><wait>",
+        "<enter><wait>",
+        "<enter><wait>",
+        "<enter><wait>",
+        "Yes<enter><wait>",
+        "<enter><wait10>",
+        "<enter><wait>",
+        "<enter><wait>",
+        "vyos<enter><wait>",
+        "vyos<enter><wait>",
+        "<enter><wait10>",
+        "reboot<enter><wait>",
+        "Yes<enter><wait10><wait10><wait10>",
+        "vyos<enter><wait>",
+        "vyos<enter><wait>",
+        "configure<enter><wait>",
+        "delete system console<enter><wait>",
+        "set interface ethernet eth0 address dhcp<enter><wait>",
+        "set service ssh<enter><wait>",
+        "commit<enter><wait>",
+        "save<enter><wait>",
+        "exit<enter><wait>",
+        "reboot<enter><wait>",
+        "Yes<enter><wait10><wait10><wait10><wait10><wait10>"
+      ]
+    }
+  ]
+}

tools/run-qemu-image.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+VM_NAME='vyos_qemu'
+VM_IMAGE='./packer_build/qemu/vyos_qemu_image.img'
+MEMORY_SIZE='1024'
+NCPUS=1
+SSH_PORT=2222
+
+qemu-system-x86_64 \
+  -name "${VM_NAME}" \
+  -m ${MEMORY_SIZE} \
+  -net nic,vlan=0,model=virtio \
+  -net user,vlan=0,hostfwd=tcp::"${SSH_PORT}"-:22,hostname="${VM_NAME}" \
+  -drive if=virtio,file=${VM_IMAGE} \
+  -machine accel=kvm \
+  -cpu host -smp ${NCPUS}