| 1 | # -*- mode: python; -*- |
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| 2 | from invirt.database import models, connect |
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| 3 | from invirt.config import structs as config |
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| 4 | import re |
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| 5 | |
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| 6 | connect() |
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| 7 | prefix = "d_" |
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| 8 | |
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| 9 | # 'machine_name', and optionally 'cdrom_image', should get passed in |
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| 10 | # from the xm create call |
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| 11 | |
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| 12 | def check(b): |
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| 13 | if not b: |
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| 14 | import sys |
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| 15 | sys.exit(1) |
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| 16 | |
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| 17 | machine = models.Machine.query().filter_by(name=machine_name).one() |
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| 18 | check(machine is not None) |
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| 19 | machine_type = machine.type |
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| 20 | cdrom = None |
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| 21 | if 'cdrom_image' in locals(): |
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| 22 | cdrom = models.CDROM.query().filter_by(cdrom_id=cdrom_image).one() |
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| 23 | check(cdrom is not None) |
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| 24 | |
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| 25 | memory = machine.memory |
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| 26 | maxmem = '2048' |
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| 27 | check(re.match('^[A-Za-z0-9][A-Za-z0-9._-]*$', machine.name)) |
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| 28 | name = prefix + machine.name |
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| 29 | check(re.match('^[0-9a-f-]+$', machine.uuid)) |
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| 30 | uuid = machine.uuid |
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| 31 | |
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| 32 | vcpus = machine.cpus |
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| 33 | |
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| 34 | diskioemu = "" |
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| 35 | viftype = "" |
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| 36 | |
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| 37 | pae = machine_type.pae |
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| 38 | acpi = machine_type.acpi |
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| 39 | apic = machine_type.apic |
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| 40 | |
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| 41 | vif = [] |
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| 42 | |
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| 43 | disk = [] |
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| 44 | |
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| 45 | if machine_type.hvm: |
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| 46 | codepath = 'hvm' |
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| 47 | else: |
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| 48 | codepath = 'paravm' |
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| 49 | |
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| 50 | if 'installer_options' in locals(): #Installer |
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| 51 | disk.append('phy:/dev/xenvg/s_install_hda,hdb,r') |
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| 52 | |
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| 53 | import os |
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| 54 | release = os.uname()[2] |
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| 55 | kernel = '/boot/vmlinuz-%s' % release |
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| 56 | ramdisk = '/boot/initrd.img-%s' % release |
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| 57 | |
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| 58 | if not machine.nics: |
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| 59 | raise RuntimeError('You must have a nic to autoinstall') |
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| 60 | n = machine.nics[0] |
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| 61 | extra = 'ro noresume' |
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| 62 | extra += (' ip=%s::%s:%s:%s:eth0:off' |
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| 63 | % (n.ip, config.dhcp.gateway, config.dhcp.netmask, machine.name)) |
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| 64 | extra += ' %s' % installer_options |
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| 65 | root = '/dev/hdb1' |
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| 66 | codepath = None |
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| 67 | |
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| 68 | memory = max(memory, 512) |
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| 69 | elif cdrom is not None: |
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| 70 | disk.append('phy:/dev/xenvg/image_' + cdrom.cdrom_id + ',hdc:cdrom,r') |
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| 71 | boot = 'd' |
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| 72 | codepath = 'hvm' |
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| 73 | |
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| 74 | if codepath == 'hvm': |
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| 75 | ioemu = "ioemu:" |
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| 76 | viftype = "type=ioemu, " |
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| 77 | kernel = '/usr/lib/xen/boot/hvmloader' |
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| 78 | builder = 'hvm' |
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| 79 | vnc = 1 |
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| 80 | device_model = '/usr/sbin/qemu-dm-invirt' |
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| 81 | serial = "pty" |
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| 82 | elif codepath == 'paravm': |
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| 83 | bootloader = '/usr/bin/pygrub' |
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| 84 | |
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| 85 | |
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| 86 | for n in machine.nics: |
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| 87 | check(re.match('^[0-9a-fA-F:]+$', n.mac_addr) and re.match('^[0-9.]*$', n.ip)) |
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| 88 | d = ('%smac=%s, ip=%s, script=vif-invirtroute netdev=%s' |
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| 89 | % (viftype, n.mac_addr, n.ip, config.xen.iface)) |
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| 90 | vif.append(d) |
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| 91 | |
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| 92 | for d in machine.disks: |
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| 93 | check(re.match('^[A-Za-z0-9]+$', d.guest_device_name)) |
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| 94 | device = '/dev/xenvg/' + prefix + machine.name + '_' + d.guest_device_name |
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| 95 | dspec = 'phy:%s,%s%s,w' % (device, diskioemu, d.guest_device_name) |
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| 96 | disk.append(dspec) |
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| 97 | |
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| 98 | usbdevice = 'tablet' |
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| 99 | |
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| 100 | on_poweroff = 'destroy' |
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| 101 | on_reboot = 'restart' |
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| 102 | on_crash = 'destroy' |
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| 103 | if machine.autorestart: |
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| 104 | on_crash = 'restart' |
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