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Commit d6bc2dbf authored by Rafael Monnerat's avatar Rafael Monnerat
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cleanup: kvm recipe is not used anymore 

  The software release was re-written to use jinja2 templates
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setup.py
View file @ d6bc2dbf
......@@ -128,7 +128,6 @@ setup(name=name,
'ipv6toipv4 = slapos.recipe.6tunnel:SixToFour',
'jsondump = slapos.recipe.jsondump:Recipe',
'kumofs = slapos.recipe.kumofs:Recipe',
'kvm = slapos.recipe.kvm:Recipe',
'kvm.frontend = slapos.recipe.kvm_frontend:Recipe',
'lamp = slapos.recipe.lamp:Request',
'lamp.generic = slapos.recipe.lampgeneric:Recipe',
......
slapos/recipe/kvm/__init__.py deleted 100644 → 0
View file @ 8c682ab6
##############################################################################
#
# Copyright (c) 2011 Vifib SARL and Contributors. All Rights Reserved.
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsibility of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# guarantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
from slapos.recipe.librecipe import GenericBaseRecipe
import os
import sys
class Recipe(GenericBaseRecipe):
"""
kvm instance configuration.
"""
def install(self):
# Sanitize drive type parameter
self.options.setdefault('disk-type', 'virtio')
if not self.options.get('disk-type') in ['ide', 'scsi', 'sd',
'mtd', 'floppy', 'pflash', 'virtio']:
print 'Warning: "disk-type" parameter is not in allowed values. Using ' \
'"virtio" value.'
self.options['disk-type'] = 'virtio'
self.options['python-path'] = sys.executable
path_list = []
if self.isTrueValue(self.options.get('use-nat')):
# XXX This could be done using Jinja.
for port in self.options['nat-rules'].split():
tunnel_port = int(port) + 10000
tunnel_path = self.createExecutable(
'%s-%s' % (self.options['6tunnel-wrapper-path'], tunnel_port),
self.substituteTemplate(
self.getTemplateFilename('6to4.in'),
{
'ipv6': self.options['ipv6'],
'ipv6_port': tunnel_port,
'ipv4': self.options['ipv4'],
'ipv4_port': tunnel_port,
'shell_path': self.options['shell-path'],
'6tunnel_path': self.options['6tunnel-path'],
},
),
)
path_list.append(tunnel_path)
runner_path = self.createExecutable(
self.options['runner-path'],
self.substituteTemplate(self.getTemplateFilename('kvm_run.in'),
self.options))
path_list.append(runner_path)
controller_path = self.createExecutable(
self.options['controller-path'],
self.substituteTemplate(self.getTemplateFilename('kvm_controller_run.in'),
self.options))
return path_list
slapos/recipe/kvm/template/6to4.in deleted 100644 → 0
View file @ 8c682ab6
#!%(shell_path)s
# BEWARE: This file is operated by slapgrid
# BEWARE: It will be overwritten automatically
exec %(6tunnel_path)s -6 -4 -d -l %(ipv6)s %(ipv6_port)s %(ipv4)s %(ipv4_port)s
slapos/recipe/kvm/template/kvm_controller_run.in deleted 100644 → 0
View file @ 8c682ab6
#!%(python-path)s
# BEWARE: This file is operated by slapgrid
# BEWARE: It will be overwritten automatically
# Echo client program
import socket
import time
# XXX: to be factored with slapos.toolbox qemu qmp wrapper.
socket_path = '%(socket-path)s'
vnc_password = '%(vnc-passwd)s'
# Connect to KVM qmp socket
so = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
connected = False
while not connected:
try:
so.connect(socket_path)
except socket.error:
time.sleep(1)
else:
connected = True
data = so.recv(1024)
# Enable qmp
so.send('{ "execute": "qmp_capabilities" }')
data = so.recv(1024)
# Set VNC password
so.send('{ "execute": "change", ' \
'"arguments": { "device": "vnc", "target": "password", ' \
' "arg": "' + vnc_password + '" } }')
data = so.recv(1024)
# Finish
so.close()
slapos/recipe/kvm/template/kvm_run.in deleted 100644 → 0
View file @ 8c682ab6
#!%(python-path)s
# BEWARE: This file is operated by slapgrid
# BEWARE: It will be overwritten automatically
import hashlib
import os
import socket
import subprocess
import urllib
import gzip
import shutil
from random import shuffle
import glob
import re
import ssl
opener = urllib.FancyURLopener(context=ssl._create_unverified_context())
# XXX: give all of this through parameter, don't use this as template, but as module
qemu_img_path = '%(qemu-img-path)s'
qemu_path = '%(qemu-path)s'
disk_size = '%(disk-size)s'
disk_type = '%(disk-type)s'
socket_path = '%(socket-path)s'
nbd_list = (('%(nbd-host)s', %(nbd-port)s), ('%(nbd2-host)s', %(nbd2-port)s))
default_disk_image = '%(default-disk-image)s'
disk_path = '%(disk-path)s'
virtual_hard_drive_url = '%(virtual-hard-drive-url)s'.strip()
virtual_hard_drive_md5sum = '%(virtual-hard-drive-md5sum)s'.strip()
virtual_hard_drive_gzipped = '%(virtual-hard-drive-gzipped)s'.strip().lower()
nat_rules = '%(nat-rules)s'.strip()
use_tap = '%(use-tap)s'.lower()
use_nat = '%(use-nat)s'.lower()
enable_vhost = '%(enable-vhost)s'.lower()
tap_interface = '%(tap-interface)s'
listen_ip = '%(ipv4)s'
mac_address = '%(mac-address)s'
tap_mac_address = '%(tap-mac-address)s'
smp_count = '%(smp-count)s'
smp_options = '%(smp-options)s'.strip()
numa_list = '%(numa)s'.split()
ram_size = '%(ram-size)s'
pid_file_path = '%(pid-file-path)s'
external_disk_number = %(external-disk-number)s
external_disk_size = '%(external-disk-size)s'
external_disk_format = '%(external-disk-format)s'
disk_storage_dict = {}
disk_storage_list = """%(disk-storage-list)s""".split('\n')
map_storage_list = []
etc_directory = '%(etc-directory)s'.strip()
httpd_port = %(httpd-port)s
netcat_bin = '%(netcat-binary)s'.strip()
cluster_doc_host = '%(cluster-doc-host)s'
cluster_doc_port = %(cluster-doc-port)s
language = '%(language)s'
language_list = ['ar', 'da', 'de', 'de-ch', 'en-gb', 'en-us', 'es', 'et', 'fi',
'fo', 'fr', 'fr-be', 'fr-ca', 'fr-ch', 'hr', 'hu', 'is', 'it', 'ja', 'lt',
'lv', 'mk', 'nl', 'nl-be', 'no', 'pl', 'pt', 'pt-br', 'ru', 'sl', 'sv',
'th', 'tr']
def md5Checksum(file_path):
with open(file_path, 'rb') as fh:
m = hashlib.md5()
while True:
data = fh.read(8192)
if not data:
break
m.update(data)
return m.hexdigest()
def getSocketStatus(host, port):
s = None
for res in socket.getaddrinfo(host, port,
socket.AF_UNSPEC, socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
try:
s = socket.socket(af, socktype, proto)
except socket.error, msg:
s = None
continue
try:
s.connect(sa)
except socket.error, msg:
s.close()
s = None
continue
break
return s
def getMapStorageList(disk_storage_dict, external_disk_number):
map_disk_file = os.path.join(etc_directory, '.data-disk-ids')
last_disk_num_f = os.path.join(etc_directory, '.data-disk-amount')
id_list = []
last_amount = 0
map_f_exist = os.path.exists(map_disk_file)
if os.path.exists(last_disk_num_f):
with open(last_disk_num_f, 'r') as lf:
last_amount = int(lf.readline())
if map_f_exist:
with open(map_disk_file, 'r') as mf:
# ID are writen in one line: data1 data3 data2 ...
content = mf.readline()
for id in content.split(' '):
if disk_storage_dict.has_key(id):
id_list.append(id)
else:
# Mean that this disk path has been removed (disk unmounted)
last_amount -= 1
for key in disk_storage_dict:
if not key in id_list:
id_list.append(key)
if id_list:
if not map_f_exist:
# shuffle the list to not write disk in data1, data2, ... everytime
shuffle(id_list)
if external_disk_number < last_amount:
# Drop created disk is not allowed
external_disk_number = last_amount
with open(map_disk_file, 'w') as mf:
mf.write(' '.join(id_list))
with open(last_disk_num_f, 'w') as lf:
lf.write('%%s' %% external_disk_number)
return id_list, external_disk_number
# Download existing hard drive if needed at first boot
if not os.path.exists(disk_path) and virtual_hard_drive_url != '':
print('Downloading virtual hard drive...')
try:
downloaded_disk = disk_path
if virtual_hard_drive_gzipped == 'true':
downloaded_disk = '%%s.gz' %% disk_path
opener.retrieve(virtual_hard_drive_url, downloaded_disk)
except:
if os.path.exists(downloaded_disk):
os.remove(downloaded_disk)
raise
md5sum = virtual_hard_drive_md5sum.strip()
if md5sum:
print('Checking MD5 checksum...')
local_md5sum = md5Checksum(downloaded_disk)
if local_md5sum != md5sum:
os.remove(downloaded_disk)
raise Exception('MD5 mismatch. MD5 of local file is %%s, Specified MD5 is %%s.' %% (
local_md5sum, md5sum))
print('MD5sum check passed.')
else:
print('Warning: not checksum specified.')
if downloaded_disk.endswith('.gz'):
try:
with open(disk_path, 'w') as disk:
with gzip.open(downloaded_disk, 'rb') as disk_gz:
shutil.copyfileobj(disk_gz, disk)
except Exception:
if os.path.exists(disk_path):
os.remove(disk_path)
raise
os.remove(downloaded_disk)
# Create disk if doesn't exist
# XXX: move to Buildout profile
if not os.path.exists(disk_path):
print('Creating virtual hard drive...')
subprocess.check_call([qemu_img_path, 'create' ,'-f', 'qcow2',
disk_path, '%%sG' %% disk_size])
print('Done.')
# Check and create external disk
additional_disk_list = []
for storage in disk_storage_list:
if storage:
key, val = storage.split(' ')
disk_storage_dict[key.strip()] = val.strip()
if not external_disk_format in ['qcow2', 'raw', 'vdi', 'vmdk', 'cloop', 'qed']:
external_disk_format = 'qcow2'
map_storage_list, external_disk_number = getMapStorageList(disk_storage_dict,
int(external_disk_number))
assert len(map_storage_list) == len(disk_storage_dict)
if disk_storage_dict:
if external_disk_number > 0:
index = 0
while (index < len(disk_storage_dict)) and (index < external_disk_number):
path = disk_storage_dict[map_storage_list[index]]
if os.path.exists(path):
disk_filepath = os.path.join(path,
'kvm_virtual_disk.%%s' %% external_disk_format)
disk_list = glob.glob('%%s.*' %% os.path.join(path, 'kvm_virtual_disk'))
if disk_list == []:
print('Creating one additional virtual hard drive...')
process = subprocess.check_call([qemu_img_path, 'create' ,'-f', '%%s' %% external_disk_format,
disk_filepath, '%%sG' %% external_disk_size])
else:
# Cannot change or recreate if disk is exists
disk_filepath = disk_list[0]
additional_disk_list.append(disk_filepath)
else:
print('Data folder %%s was not used to create external disk %%r' %% (index +1))
index += 1
# Generate network parameters
# XXX: use_tap should be a boolean
tap_network_parameter = []
nat_network_parameter = []
numa_parameter = []
number = -1
if use_nat == 'true':
number += 1
rules = 'user,id=lan%%s,' %% number + ','.join('hostfwd=tcp:%%s:%%s-:%%s' %% (listen_ip,
int(port) + 10000, port) for port in nat_rules.split())
if httpd_port > 0:
rules += ',guestfwd=tcp:10.0.2.100:80-cmd:%%s %%s %%s' %% (netcat_bin,
listen_ip, httpd_port)
if cluster_doc_host and cluster_doc_port > 0:
rules += ',guestfwd=tcp:10.0.2.101:443-cmd:%%s %%s %%s' %% (netcat_bin,
cluster_doc_host, cluster_doc_port)
nat_network_parameter = ['-netdev', rules,
'-device', 'virtio-net-pci,netdev=lan%%s,mac=%%s' %% (number, mac_address)]
if use_tap == 'true':
number += 1
vhost = ''
if enable_vhost == 'true':
vhost = ',vhost=on'
tap_network_parameter = ['-netdev',
'tap,id=lan%%s,ifname=%%s,script=no,downscript=no%%s' %% (number,
tap_interface, vhost),
'-device', 'virtio-net-pci,netdev=lan%%s,mac=%%s' %% (number, tap_mac_address)]
smp = smp_count
if smp_options:
for option in smp_options.split(','):
key, val = option.split('=')
if key in ('cores', 'threads', 'sockets', 'maxcpus') and val.isdigit():
smp += ',%%s=%%s' %% (key, val)
kvm_argument_list = [qemu_path,
'-enable-kvm', '-smp', smp,
'-m', ram_size, '-vga', 'std',
'-drive', 'file=%%s,if=%%s' %% (disk_path, disk_type),
'-vnc', '%%s:1,ipv4,password' %% listen_ip,
'-boot', 'order=cd,menu=on',
'-qmp', 'unix:%%s,server' %% socket_path,
'-pidfile', pid_file_path,
]
rgx = re.compile('^[\w*\,][\=\d+\-\,\w]*$')
for numa in numa_list:
if rgx.match(numa):
numa_parameter.extend(['-numa', numa])
kvm_argument_list += numa_parameter
if tap_network_parameter == [] and nat_network_parameter == []:
print 'Warning : No network interface defined.'
else:
kvm_argument_list += nat_network_parameter + tap_network_parameter
if language in language_list:
kvm_argument_list.extend(['-k', language])
for disk in additional_disk_list:
kvm_argument_list.extend([
'-drive', 'file=%%s,if=%%s' %% (disk, disk_type)])
# Try to connect to NBD server (and second nbd if defined).
# If not available, don't even specify it in qemu command line parameters.
# Reason: if qemu starts with unavailable NBD drive, it will just crash.
for nbd_ip, nbd_port in nbd_list:
if nbd_ip and nbd_port:
s = getSocketStatus(nbd_ip, nbd_port)
if s is None:
# NBD is not available : launch kvm without it
print 'Warning : Nbd is not available.'
else:
# NBD is available
kvm_argument_list.extend([
'-drive',
'file=nbd:[%%s]:%%s,media=cdrom' %% (nbd_ip, nbd_port)])
# If no NBD is specified/available: use internal disk image
else:
kvm_argument_list.extend([
'-drive', 'file=%%s,media=cdrom' %% default_disk_image
])
print 'Starting KVM: \n %%s' %% ' '.join(kvm_argument_list)
os.execv(qemu_path, kvm_argument_list)
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