# -*- mode: ruby -*-
# vi: set ft=ruby :

require 'yaml'
require 'time'
VAGRANTFILE_API_VERSION = '2'

DEBUG = false

config_file=File.expand_path(File.join(File.dirname(__FILE__), 'vagrant_variables.yml'))
settings=YAML.load_file(config_file)

LABEL_PREFIX   = settings['label_prefix'] ? settings['label_prefix'] + "-" : ""
NMONS          = settings['mon_vms']
NOSDS          = settings['osd_vms']
NMDSS          = settings['mds_vms']
NRGWS          = settings['rgw_vms']
NNFSS          = settings['nfs_vms']
RESTAPI        = settings['restapi']
NRBD_MIRRORS   = settings['rbd_mirror_vms']
CLIENTS        = settings['client_vms']
NISCSI_GWS     = settings['iscsi_gw_vms']
PUBLIC_SUBNET  = settings['public_subnet']
CLUSTER_SUBNET = settings['cluster_subnet']
BOX            = settings['vagrant_box']
CLIENT_BOX     = settings['client_vagrant_box']
BOX_URL        = settings['vagrant_box_url']
SYNC_DIR       = settings['vagrant_sync_dir']
MEMORY         = settings['memory']
ETH            = settings['eth']
USER           = settings['ssh_username']

ASSIGN_STATIC_IP = settings.fetch('assign_static_ip', true)
DISABLE_SYNCED_FOLDER = settings.fetch('vagrant_disable_synced_folder', false)
DISK_UUID = Time.now.utc.to_i

def create_vmdk(name, size)
  dir = Pathname.new(__FILE__).expand_path.dirname
  path = File.join(dir, '.vagrant', name + '.vmdk')
  `vmware-vdiskmanager -c -s #{size} -t 0 -a scsi #{path} \
   2>&1 > /dev/null` unless File.exist?(path)
end

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.ssh.insert_key = false # workaround for https://github.com/mitchellh/vagrant/issues/5048
  config.ssh.private_key_path = settings['ssh_private_key_path']
  config.ssh.username = USER

  # When using libvirt, avoid errors like:
  # "CPU feature cmt not found"
  config.vm.provider :libvirt do |lv|
    lv.cpu_mode = 'host-passthrough'
  end

  # Faster bootup. Disables mounting the sync folder for libvirt and virtualbox
  if DISABLE_SYNCED_FOLDER
    config.vm.provider :virtualbox do |v,override|
      override.vm.synced_folder '.', SYNC_DIR, disabled: true
    end
    config.vm.provider :libvirt do |v,override|
      override.vm.synced_folder '.', SYNC_DIR, disabled: true
    end
  end

  (0..CLIENTS - 1).each do |i|
    config.vm.define "#{LABEL_PREFIX}client#{i}" do |client|
      client.vm.box = CLIENT_BOX
      client.vm.hostname = "#{LABEL_PREFIX}client#{i}"
      if ASSIGN_STATIC_IP
        client.vm.network :private_network,
          ip: "#{PUBLIC_SUBNET}.4#{i}"
      end
      # Virtualbox
      client.vm.provider :virtualbox do |vb|
        vb.customize ['modifyvm', :id, '--memory', "#{MEMORY}"]
      end

      # VMware
      client.vm.provider :vmware_fusion do |v|
        v.vmx['memsize'] = "#{MEMORY}"
      end

      # Libvirt
      client.vm.provider :libvirt do |lv|
        lv.memory = MEMORY
        lv.random_hostname = true
      end

      # Parallels
      client.vm.provider "parallels" do |prl|
        prl.name = "client#{i}"
        prl.memory = "#{MEMORY}"
      end

      client.vm.provider :linode do |provider|
        provider.label = client.vm.hostname
      end
    end
  end

  (0..NRGWS - 1).each do |i|
    config.vm.define "#{LABEL_PREFIX}rgw#{i}" do |rgw|
      rgw.vm.box = BOX
      rgw.vm.box_url = BOX_URL
      rgw.vm.hostname = "#{LABEL_PREFIX}rgw#{i}"
      if ASSIGN_STATIC_IP
        rgw.vm.network :private_network,
          ip: "#{PUBLIC_SUBNET}.5#{i}"
      end

      # Virtualbox
      rgw.vm.provider :virtualbox do |vb|
        vb.customize ['modifyvm', :id, '--memory', "#{MEMORY}"]
      end

      # VMware
      rgw.vm.provider :vmware_fusion do |v|
        v.vmx['memsize'] = "#{MEMORY}"
      end

      # Libvirt
      rgw.vm.provider :libvirt do |lv|
        lv.memory = MEMORY
        lv.random_hostname = true
      end

      # Parallels
      rgw.vm.provider "parallels" do |prl|
        prl.name = "rgw#{i}"
        prl.memory = "#{MEMORY}"
      end

      rgw.vm.provider :linode do |provider|
        provider.label = rgw.vm.hostname
      end
    end
  end

  (0..NNFSS - 1).each do |i|
    config.vm.define "nfs#{i}" do |nfs|
      nfs.vm.box = BOX
      nfs.vm.box_url = BOX_URL
      nfs.vm.hostname = "nfs#{i}"
      if ASSIGN_STATIC_IP
        nfs.vm.network :private_network,
          ip: "#{PUBLIC_SUBNET}.6#{i}"
      end

      # Virtualbox
      nfs.vm.provider :virtualbox do |vb|
        vb.customize ['modifyvm', :id, '--memory', "#{MEMORY}"]
      end

      # VMware
      nfs.vm.provider :vmware_fusion do |v|
        v.vmx['memsize'] = "#{MEMORY}"
      end

      # Libvirt
      nfs.vm.provider :libvirt do |lv|
        lv.memory = MEMORY
        lv.random_hostname = true
      end

      # Parallels
      nfs.vm.provider "parallels" do |prl|
        prl.name = "nfs#{i}"
        prl.memory = "#{MEMORY}"
      end

      nfs.vm.provider :linode do |provider|
        provider.label = nfs.vm.hostname
      end
    end
  end

  (0..NMDSS - 1).each do |i|
    config.vm.define "#{LABEL_PREFIX}mds#{i}" do |mds|
      mds.vm.box = BOX
      mds.vm.box_url = BOX_URL
      mds.vm.hostname = "#{LABEL_PREFIX}mds#{i}"
      if ASSIGN_STATIC_IP
        mds.vm.network :private_network,
          ip: "#{PUBLIC_SUBNET}.7#{i}"
      end
      # Virtualbox
      mds.vm.provider :virtualbox do |vb|
        vb.customize ['modifyvm', :id, '--memory', "#{MEMORY}"]
      end

      # VMware
      mds.vm.provider :vmware_fusion do |v|
        v.vmx['memsize'] = "#{MEMORY}"
      end

      # Libvirt
      mds.vm.provider :libvirt do |lv|
        lv.memory = MEMORY
        lv.random_hostname = true
      end
      # Parallels
      mds.vm.provider "parallels" do |prl|
        prl.name = "mds#{i}"
        prl.memory = "#{MEMORY}"
      end

      mds.vm.provider :linode do |provider|
        provider.label = mds.vm.hostname
      end
    end
  end

  (0..NRBD_MIRRORS - 1).each do |i|
    config.vm.define "#{LABEL_PREFIX}rbd_mirror#{i}" do |rbd_mirror|
      rbd_mirror.vm.box = BOX
      rbd_mirror.vm.box_url = BOX_URL
      rbd_mirror.vm.hostname = "#{LABEL_PREFIX}rbd-mirror#{i}"
      if ASSIGN_STATIC_IP
        rbd_mirror.vm.network :private_network,
          ip: "#{PUBLIC_SUBNET}.8#{i}"
      end
      # Virtualbox
      rbd_mirror.vm.provider :virtualbox do |vb|
        vb.customize ['modifyvm', :id, '--memory', "#{MEMORY}"]
      end

      # VMware
      rbd_mirror.vm.provider :vmware_fusion do |v|
        v.vmx['memsize'] = "#{MEMORY}"
      end

      # Libvirt
      rbd_mirror.vm.provider :libvirt do |lv|
        lv.memory = MEMORY
        lv.random_hostname = true
      end
      # Parallels
      rbd_mirror.vm.provider "parallels" do |prl|
        prl.name = "rbd-mirror#{i}"
        prl.memory = "#{MEMORY}"
      end

      rbd_mirror.vm.provider :linode do |provider|
        provider.label = rbd_mirror.vm.hostname
      end
    end
  end

  (0..NISCSI_GWS - 1).each do |i|
    config.vm.define "#{LABEL_PREFIX}iscsi_gw#{i}" do |iscsi_gw|
      iscsi_gw.vm.box = BOX
      iscsi_gw.vm.box_url = BOX_URL
      iscsi_gw.vm.hostname = "#{LABEL_PREFIX}iscsi-gw#{i}"
      if ASSIGN_STATIC_IP
        iscsi_gw.vm.network :private_network,
          ip: "#{PUBLIC_SUBNET}.9#{i}"
      end
      # Virtualbox
      iscsi_gw.vm.provider :virtualbox do |vb|
        vb.customize ['modifyvm', :id, '--memory', "#{MEMORY}"]
      end

      # VMware
      iscsi_gw.vm.provider :vmware_fusion do |v|
        v.vmx['memsize'] = "#{MEMORY}"
      end

      # Libvirt
      iscsi_gw.vm.provider :libvirt do |lv|
        lv.memory = MEMORY
        lv.random_hostname = true
      end
      # Parallels
      iscsi_gw.vm.provider "parallels" do |prl|
        prl.name = "iscsi-gw#{i}"
        prl.memory = "#{MEMORY}"
      end

      iscsi_gw.vm.provider :linode do |provider|
        provider.label = iscsi_gw.vm.hostname
      end
    end
  end

  (0..NMONS - 1).each do |i|
    config.vm.define "#{LABEL_PREFIX}mon#{i}" do |mon|
      mon.vm.box = BOX
      mon.vm.box_url = BOX_URL
      mon.vm.hostname = "#{LABEL_PREFIX}mon#{i}"
      if ASSIGN_STATIC_IP
        mon.vm.network :private_network,
          ip: "#{PUBLIC_SUBNET}.1#{i}"
      end
      # Virtualbox
      mon.vm.provider :virtualbox do |vb|
        vb.customize ['modifyvm', :id, '--memory', "#{MEMORY}"]
      end

      # VMware
      mon.vm.provider :vmware_fusion do |v|
        v.vmx['memsize'] = "#{MEMORY}"
      end

      # Libvirt
      mon.vm.provider :libvirt do |lv|
        lv.memory = MEMORY
        lv.random_hostname = true
      end

      # Parallels
      mon.vm.provider "parallels" do |prl|
        prl.name = "mon#{i}"
        prl.memory = "#{MEMORY}"
      end

      mon.vm.provider :linode do |provider|
        provider.label = mon.vm.hostname
      end
    end
  end

  (0..NOSDS - 1).each do |i|
    config.vm.define "#{LABEL_PREFIX}osd#{i}" do |osd|
      osd.vm.box = BOX
      osd.vm.box_url = BOX_URL
      osd.vm.hostname = "#{LABEL_PREFIX}osd#{i}"
      if ASSIGN_STATIC_IP
        osd.vm.network :private_network,
          ip: "#{PUBLIC_SUBNET}.10#{i}"
        osd.vm.network :private_network,
          ip: "#{CLUSTER_SUBNET}.20#{i}"
      end
      # Virtualbox
      osd.vm.provider :virtualbox do |vb|
        # Create our own controller for consistency and to remove VM dependency
        # but only do it once, otherwise it would fail when rebooting machines.
        # We assume this has run if one disk was created before
        unless File.exist?("disk-#{i}-0.vdi")
            vb.customize ['storagectl', :id,
                          '--name', 'OSD Controller',
                          '--add', 'scsi']
        end
        (0..2).each do |d|
          vb.customize ['createhd',
                        '--filename', "disk-#{i}-#{d}",
                        '--size', '11000'] unless File.exist?("disk-#{i}-#{d}.vdi")
          vb.customize ['storageattach', :id,
                        '--storagectl', 'OSD Controller',
                        '--port', 3 + d,
                        '--device', 0,
                        '--type', 'hdd',
                        '--medium', "disk-#{i}-#{d}.vdi"]
        end
        vb.customize ['modifyvm', :id, '--memory', "#{MEMORY}"]
      end

      # VMware
      osd.vm.provider :vmware_fusion do |v|
        (0..1).each do |d|
          v.vmx["scsi0:#{d + 1}.present"] = 'TRUE'
          v.vmx["scsi0:#{d + 1}.fileName"] =
            create_vmdk("disk-#{i}-#{d}", '11000MB')
        end
        v.vmx['memsize'] = "#{MEMORY}"
      end

      # Libvirt
      driverletters = ('a'..'z').to_a
      osd.vm.provider :libvirt do |lv|
        # always make /dev/sd{a/b/c/d} so that CI can ensure that
        # virtualbox and libvirt will have the same devices to use for OSDs
        (0..3).each do |d|
          lv.storage :file, :device => "hd#{driverletters[d]}", :path => "disk-#{i}-#{d}-#{DISK_UUID}.disk", :size => '12G', :bus => "ide"
        end
        lv.memory = MEMORY
        lv.random_hostname = true
      end

      # Parallels
      osd.vm.provider "parallels" do |prl|
        prl.name = "osd#{i}"
        prl.memory = "#{MEMORY}"
        (0..1).each do |d|
          prl.customize ["set", :id,
                         "--device-add",
                         "hdd",
                         "--iface",
                         "sata"]
        end
      end

      osd.vm.provider :linode do |provider|
        provider.label = osd.vm.hostname
      end

    end
  end
end