Add option to boot slave using pxe into bootstrap image

This functionality is required in order to perform
partitioning/provisioning.

Vagrantfile

@@ -39,6 +39,7 @@ SYNC_TYPE = cfg["sync_type"]
 MASTER_CPUS = cfg["master_cpus"]
 SLAVES_CPUS = cfg["slaves_cpus"]
 PARAVIRT_PROVIDER = cfg.fetch('paravirtprovider', false)
+PREPROVISIONED = cfg.fetch('preprovisioned', true)
 
 def ansible_playbook_command(filename, args=[])
   "ansible-playbook -v -i \"localhost,\" -c local /vagrant/bootstrap/playbooks/#{filename} #{args.join ' '}"
@@ -52,6 +53,9 @@ master_celery = ansible_playbook_command("celery.yaml", ["--skip-tags", "slave"]
 
 slave_celery = ansible_playbook_command("celery.yaml", ["--skip-tags", "master"])
 
+master_pxe = ansible_playbook_command("pxe.yaml")
+
+
 Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
 
   config.vm.define "solar-dev", primary: true do |config|
@@ -59,6 +63,7 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
 
     config.vm.provision "shell", inline: solar_script, privileged: true
     config.vm.provision "shell", inline: master_celery, privileged: true
+    config.vm.provision "shell", inline: master_pxe, privileged: true unless PREPROVISIONED
     config.vm.provision "file", source: "~/.vagrant.d/insecure_private_key", destination: "/vagrant/tmp/keys/ssh_private"
     config.vm.provision "file", source: "bootstrap/ansible.cfg", destination: "/home/vagrant/.ansible.cfg"
     config.vm.network "private_network", ip: "10.0.0.2"
@@ -101,17 +106,26 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
     index = i + 1
     ip_index = i + 3
     config.vm.define "solar-dev#{index}" do |config|
-      # standard box with all stuff preinstalled
-      config.vm.box = SLAVES_IMAGE
 
-      config.vm.provision "file", source: "bootstrap/ansible.cfg", destination: "/home/vagrant/.ansible.cfg"
-      config.vm.provision "shell", inline: slave_script, privileged: true
-      config.vm.provision "shell", inline: solar_script, privileged: true
-      config.vm.provision "shell", inline: slave_celery, privileged: true
-      config.vm.network "private_network", ip: "10.0.0.#{ip_index}"
+      # Standard box with all stuff preinstalled
+      config.vm.box = SLAVES_IMAGE
       config.vm.host_name = "solar-dev#{index}"
 
+      if PREPROVISIONED
+        config.vm.provision "file", source: "bootstrap/ansible.cfg", destination: "/home/vagrant/.ansible.cfg"
+        config.vm.provision "shell", inline: slave_script, privileged: true
+        config.vm.provision "shell", inline: solar_script, privileged: true
+        config.vm.provision "shell", inline: slave_celery, privileged: true
+        config.vm.network "private_network", ip: "10.0.0.#{ip_index}"
+      else
+        config.vm.network "private_network", adapter: 1, ip: "10.0.0.#{ip_index}"
+        config.vbguest.no_install = true
+        config.ssh.username = 'root'
+        config.ssh.insert_key = false
+      end
+
       config.vm.provider :virtualbox do |v|
+        boot_order(v, ['net', 'disk'])
         v.customize [
             "modifyvm", :id,
             "--memory", SLAVES_RAM,
@@ -133,14 +147,26 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
         libvirt.volume_cache = 'unsafe'
       end
 
-      if SYNC_TYPE == 'nfs'
-        config.vm.synced_folder ".", "/vagrant", type: "nfs"
-      end
-      if SYNC_TYPE == 'rsync'
-        config.vm.synced_folder ".", "/vagrant", rsync: "nfs",
+      if PREPROVISIONED
+        if SYNC_TYPE == 'nfs'
+          config.vm.synced_folder ".", "/vagrant", type: "nfs"
+        end
+        if SYNC_TYPE == 'rsync'
+          config.vm.synced_folder ".", "/vagrant", rsync: "nfs",
           rsync__args: ["--verbose", "--archive", "--delete", "-z"]
+        end
       end
+
     end
   end
 
 end
+
+def boot_order(virt_config, order)
+  # Boot order is specified with special flag:
+  # --boot<1-4> none|floppy|dvd|disk|net
+  4.times do |idx|
+    device = order[idx] || 'none'
+    virt_config.customize ['modifyvm', :id, "--boot#{idx + 1}", device]
+  end
+end

bootstrap/playbooks/files/dnsmasq_pxe.conf

@@ -0,0 +1,13 @@
+# Specify interface for dhcp server
+interface={{dhcp_interface}}
+bind-interfaces
+
+# Specify IP addresses range
+dhcp-range={{dhcp_range_start}},{{dhcp_range_end}},12h
+
+# Net boot file name
+dhcp-boot=tag:!nopxe,pxelinux.0
+
+# Configure tftp
+enable-tftp
+tftp-root={{tftp_root}}

bootstrap/playbooks/files/nginx.cfg

@@ -0,0 +1,8 @@
+server {
+        listen   8000;
+        root /var/lib/tftp;
+
+        location / {
+                autoindex on;
+        }
+}

bootstrap/playbooks/files/pxelinux.cfg

@@ -0,0 +1,11 @@
+default vesamenu.c32
+menu title Live CD Choices
+prompt 0
+timeout 3
+menu autoboot 
+
+label ubuntu
+    menu label Ubuntu
+    kernel /ubuntu/linux
+    append initrd=/ubuntu/initramfs.img verbose fetch=http://{{http_ip}}:{{http_port}}/ubuntu/root.squashfs ip=dhcp boot=live
+    iappend 2

bootstrap/playbooks/pxe.yaml

@@ -0,0 +1,50 @@
+---
+
+- name: Setup dhcp server with bootstrap image
+  hosts: all
+  sudo: yes
+  vars:
+    tftp_root: /var/lib/tftp
+    dhcp_range_start: 10.0.0.42
+    dhcp_range_end: 10.0.0.53
+    dhcp_interface: eth1
+    pxe_netboot_image: http://archive.ubuntu.com/ubuntu/dists/trusty-updates/main/installer-amd64/current/images/netboot/pxelinux.0
+    pxe_netboot_menu: http://archive.ubuntu.com/ubuntu/dists/trusty-updates/main/installer-amd64/current/images/netboot/ubuntu-installer/amd64/boot-screens/vesamenu.c32
+    insecure_pub_key: https://raw.githubusercontent.com/mitchellh/vagrant/master/keys/vagrant.pub
+    insecure_pub_key_path: /tmp/ssh_insecure.pub
+    image_builder_path: /tmp/image_builder
+    http_ip: 10.0.0.2
+    http_port: 8000
+
+  tasks:
+    # Istall and configure dnsmasq
+    - apt: name=dnsmasq state=present
+    - file: path={{tftp_root}} state=directory
+    - template: src=files/dnsmasq_pxe.conf dest=/etc/dnsmasq.d/pxe.conf
+    - service: name=dnsmasq state=restarted
+    - file: path="{{tftp_root}}/pxelinux.cfg" state=directory
+    - template: src=files/pxelinux.cfg dest="{{tftp_root}}/pxelinux.cfg/default"
+
+    # Prepare pxe configs and download pxe image
+    - get_url: url={{pxe_netboot_image}} dest="{{tftp_root}}/pxelinux.0"
+    - get_url: url={{pxe_netboot_menu}} dest="{{tftp_root}}/vesamenu.c32"
+
+    # Build image
+    - get_url: url={{insecure_pub_key}} dest={{insecure_pub_key_path}}
+    - apt: name=debootstrap state=present
+    - file: path={{tftp_root}}/ubuntu state=directory
+    - git: repo=https://github.com/rustyrobot/fuel-bootstrap-image-builder dest={{image_builder_path}}
+    - shell: "{{image_builder_path}}/bin/fuel-bootstrap-image 2>&1 | tee /tmp/image_build.log"
+      environment:
+        BOOTSTRAP_SSH_KEYS: "{{insecure_pub_key_path}}"
+        DESTDIR: "{{tftp_root}}/ubuntu"
+    - file: path="{{tftp_root}}/ubuntu/{{item}}" mode=0644 state=file
+      with_items:
+        - initramfs.img
+        - linux
+        - root.squashfs
+
+    # Configure http server to load root
+    - apt: name=nginx state=present
+    - template: src=files/nginx.cfg dest=/etc/nginx/conf.d/pxe_image.conf
+    - service: name=nginx state=restarted

vagrant-settings.yaml_defaults

@@ -17,3 +17,11 @@ slaves_cpus: 1
 # Uncomment following option to change it.
 # Possible options are: rsync, nfs
 # sync_type: nfs
+
+# Use vagrant image in order to perform provisioning
+preprovisioned: true
+
+# Use pxe bootstrap in order to bootstrap nodes
+# it should be used in order to provision nodes
+# by solar
+# preprovisioned: false