source: trunk/packages/sipb-xen-database/client/etc/xen/sipb-database @ 382

Last change on this file since 382 was 255, checked in by andersk, 17 years ago

Upgrade paravirt kernel.

File size: 2.4 KB
Line 
1# -*- mode: python; -*-
2import sipb_xen_database.models as models
3from sipb_xen_database import connect
4import re
5import tempfile
6from subprocess import call
7
8connect('postgres://sipb-xen@sipb-xen-dev.mit.edu/sipb_xen')
9prefix = "d_"
10
11# 'machine_name', and optionally 'cdrom_image', should get passed in
12# from the xm create call
13
14def check(b):
15    if not b:
16        import sys
17        sys.exit(1)
18
19machine = models.Machine.get_by(name=machine_name)
20check(machine is not None)
21machine_type = models.Type.get_by(type_id=machine.type_id)
22
23memory = machine.memory
24maxmem = memory
25check(re.match('^[A-Za-z0-9][A-Za-z0-9._-]*$', machine.name))
26name = prefix + machine.name
27check(re.match('^[0-9a-f-]+$', machine.uuid))
28uuid = machine.uuid
29
30vcpus = machine.cpus
31
32diskioemu = ""
33viftype = ""
34
35if machine_type.hvm:
36    ioemu = "ioemu:"
37    viftype = "type=ioemu, "
38
39    kernel = 'hvmloader'
40    builder = 'hvm'
41    vnc = 1
42    vncpasswd = 'moocow'
43    device_model = '/usr/sbin/qemu-dm-sipb'
44else:
45    kernel  = '/boot/vmlinuz-2.6.18-5-xen-amd64'
46    ramdisk = '/boot/initrd.img-2.6.18-5-xen-amd64'
47    builder = 'linux'
48
49pae = machine_type.pae
50acpi = machine_type.acpi
51apic = machine_type.apic
52
53vif = []
54
55for n in machine.nics:
56    check(re.match('^[0-9a-fA-F:]+$', n.mac_addr) and re.match('^[0-9.]*$', n.ip))
57    d = '%smac=%s, ip=%s, bridge=xenbr0, script=vif-sipbroute' % (viftype, n.mac_addr, n.ip)
58    vif.append(d)
59
60disk = []
61
62for d in machine.disks:
63    check(re.match('^[A-Za-z0-9]+$', d.guest_device_name))
64    device = '/dev/xenvg/' + prefix + machine.name + '_' + d.guest_device_name
65    dspec = 'phy:%s,%s%s,w' % (device, diskioemu, d.guest_device_name)
66    disk.append(dspec)
67
68if 'installer' in locals():
69    check(re.match('^[A-Za-z0-9][A-Za-z0-9_.-]*$', installer))
70    tmptree = tempfile.mkdtemp('', 'auto-install.', '/tmp')
71    call(['/usr/sbin/sipb-xen-make-iso', installer, tmptree]
72         + installer_options.split(' '))
73    disk.append('file:'+tmptree+'/install.iso,hdc:cdrom,r')
74    boot = 'd'
75
76elif 'disks' in locals(): # for the copying installer's use
77    disk = disks.split(' ')
78    boot = 'c'
79
80elif 'cdrom_image' in locals():
81    check(re.match('^[A-Za-z0-9][A-Za-z0-9_.-]*$', cdrom_image))
82    disk.append('file:/srv/images/' + cdrom_image + '.iso,hdc:cdrom,r')
83    boot = 'd'
84
85on_poweroff = 'destroy'
86on_reboot = 'restart'
87on_crash = 'destroy'
88if machine.autorestart:
89    on_crash = 'restart'
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