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Lukas Niegsch
slapos
Commits
c0b1b311
Commit
c0b1b311
authored
Jul 01, 2011
by
Cédric de Saint Martin
Browse files
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kvm recipe : begin refactor
parent
36e23d39
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1
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1 changed file
with
82 additions
and
37 deletions
+82
-37
slapos/recipe/kvm/__init__.py
slapos/recipe/kvm/__init__.py
+82
-37
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slapos/recipe/kvm/__init__.py
View file @
c0b1b311
...
...
@@ -37,14 +37,29 @@ import pkg_resources
class
Recipe
(
BaseSlapRecipe
):
def
_install
(
self
):
self
.
path_list
=
[]
#Get the IP list
connection_found
=
False
proxy_ip
=
self
.
getGlobalIPv6Address
()
proxy_port
=
6080
vnc_ip
=
self
.
getLocalIPv4Address
()
vnc_port
=
5901
kvm_conf
=
self
.
installKvm
(
vnc_ip
=
self
.
getLocalIPv4Address
())
vnc_port
=
5900
+
kvm_conf
[
'vnc_display'
]
novnc_conf
=
self
.
installNovnc
(
source_ip
=
self
.
getGlobalIPv6Address
(),
source_port
=
6080
,
target_ip
=
kvm_conf
[
'vnc_ip'
],
target_port
=
vnc_port
)
self
.
linkBinary
()
self
.
computer_partition
.
setConnectionDict
(
dict
(
vnc_connection_string
=
"vnc://[%s]:%s"
%
(
vnc_port
[
'vnc_ip'
],
vnc_port
),
vnc_password
=
vnc_passwd
,
))
return
self
.
path_list
def
installKvm
(
self
,
vnc_ip
):
kvm_conf
=
dict
(
vnc_ip
=
vnc_ip
)
connection_found
=
False
for
tap_interface
,
dummy
in
self
.
parameter_dict
[
'ip_list'
]:
# Get an ip associated to a tap interface
if
tap_interface
:
...
...
@@ -52,21 +67,26 @@ class Recipe(BaseSlapRecipe):
if
not
connection_found
:
raise
NotImplementedError
(
"Do not support ip without tap interface"
)
kvm_conf
[
'tap_interface'
]
=
tap_interface
# Disk path
disk_path
=
os
.
path
.
join
(
self
.
data_root_directory
,
'virtual.qcow2'
)
socket_path
=
os
.
path
.
join
(
self
.
var_directory
,
'qmp_socket'
)
kvm_conf
[
'disk_path'
]
=
os
.
path
.
join
(
self
.
data_root_directory
,
'virtual.qcow2'
)
kvm_conf
[
'socket_path'
]
=
os
.
path
.
join
(
self
.
var_directory
,
'qmp_socket'
)
# XXX Weak password
##XXX -Vivien: add an option to generate one password for all instances and/or to input it yourself
vnc_passwd
=
binascii
.
hexlify
(
os
.
urandom
(
4
))
##XXX -Vivien: add an option to generate one password for all instances
# and/or to input it yourself
kvm_conf
[
'vnc_passwd'
]
=
binascii
.
hexlify
(
os
.
urandom
(
4
))
#XXX pid_file path, database_path, path to python binary and xml path
pid_file_path
=
os
.
path
.
join
(
self
.
run_directory
,
'pid_file'
)
database_path
=
os
.
path
.
join
(
self
.
data_root_directory
,
'slapmonitor_database'
)
python_path
=
sys
.
executable
kvm_conf
[
'pid_file_path'
]
=
os
.
path
.
join
(
self
.
run_directory
,
'pid_file'
)
kvm_conf
[
'database_path'
]
=
os
.
path
.
join
(
self
.
data_root_directory
,
'slapmonitor_database'
)
kvm_conf
[
'python_path'
]
=
sys
.
executable
#xml_path = os.path.join(self.var_directory, 'slapreport.xml' )
# Create disk if needed
if
not
os
.
path
.
exists
(
disk_path
):
if
not
os
.
path
.
exists
(
kvm_conf
[
'disk_path'
]
):
retcode
=
subprocess
.
call
([
"%s create -f qcow2 %s %iG"
%
(
self
.
options
[
'qemu_img_path'
],
disk_path
,
int
(
self
.
options
[
'disk_size'
]))],
shell
=
True
)
...
...
@@ -74,41 +94,44 @@ class Recipe(BaseSlapRecipe):
raise
OSError
,
"Disk creation failed!"
# Options nbd_ip and nbd_port are provided by slapos master
nbd_ip
=
self
.
parameter_dict
[
'nbd_ip'
]
nbd_port
=
self
.
parameter_dict
[
'nbd_port'
]
kvm_conf
[
'nbd_ip'
]
=
self
.
parameter_dict
[
'nbd_ip'
]
kvm_conf
[
'nbd_port'
]
=
self
.
parameter_dict
[
'nbd_port'
]
# First octet has to represent a locally administered address
octet_list
=
[
254
]
+
[
random
.
randint
(
0x00
,
0xff
)
for
x
in
range
(
5
)]
mac_address
=
':'
.
join
([
'%02x'
%
x
for
x
in
octet_list
])
hostname
=
"slaposkvm"
kvm_conf
[
'mac_address'
]
=
':'
.
join
([
'%02x'
%
x
for
x
in
octet_list
])
#raise NotImplementedError("%s" % self.parameter_dict)
self
.
computer_partition
.
setConnectionDict
(
dict
(
vnc_connection_string
=
"vnc://[%s]:1"
%
vnc_ip
,
vnc_password
=
vnc_passwd
,
))
kvm_conf
[
'hostname'
]
=
"slaposkvm"
# Instanciate KVM
kvm_runner_path
=
self
.
instanciate
(
"kvm"
,
[
vnc_ip
,
tap_interface
,
nbd_ip
,
nbd_port
,
pid_file_path
,
disk_path
,
mac_address
,
socket_path
,
hostname
])
kvm_runner_path
=
self
.
instanciate
(
"kvm"
,
kvm_conf
)
self
.
path_list
.
append
(
kvm_runner_path
)
# Instanciate KVM controller
kvm_controller_runner_path
=
self
.
instanciate
(
"kvm_controller"
,
[
socket_path
,
vnc_passwd
,
python_path
])
#XXX Instanciate Slapmonitor
##slapmonitor_runner_path = self.instanciate("slapmonitor", [database_path, pid_file_path, python_path])
#XXX Instanciate Slapreport
##slapreport_runner_path = self.instanciate("slapreport", [database_path, python_path])
#XXX Instanciate Websockify
websockify_runner_path
=
self
.
instanciate
(
"websockify"
,
[
python_path
,
vnc_ip
,
proxy_ip
,
vnc_port
,
proxy_port
])
kvm_controller_runner_path
=
self
.
instanciate
(
"kvm_controller"
,
kvm_conf
)
self
.
path_list
.
append
(
kvm_controller_runner_path
)
# Instanciate Slapmonitor
##slapmonitor_runner_path = self.instanciate("slapmonitor",
# [database_path, pid_file_path, python_path])
# Instanciate Slapreport
##slapreport_runner_path = self.instanciate("slapreport",
# [database_path, python_path])
kvm_conf
[
'vnc_display'
]
=
1
return
kvm_conf
def
installNoVnc
(
self
,
source_ip
,
source_port
,
target_ip
,
target_port
):
# Instanciate Websockify
websockify_runner_path
=
self
.
instanciate
(
"websockify"
,
[
python_path
,
vnc_ip
,
proxy_ip
,
vnc_port
,
proxy_port
])
self
.
path_list
.
append
(
websockify_runner_path
)
return
[
kvm_runner_path
,
kvm_controller_runner_path
,
websockify_runner_path
]
def
instanciate
(
self
,
name
,
list
):
"""
Define the path to the wrapper of the thing you are instanciating
Parameters : name of what you are instanciating, list of arguments for the configuration dictionnary of the wrapper
Parameters : name of what you are instanciating, list of arguments for the
configuration dictionnary of the wrapper
Returns : path to the running wrapper
"""
...
...
@@ -126,3 +149,25 @@ class Recipe(BaseSlapRecipe):
self
.
substituteTemplate
(
name_wrapper_template_location
,
name_config
))
return
name_runner_path
def
linkBinary
(
self
):
"""Links binaries to instance's bin directory for easier exposal"""
for
linkline
in
self
.
options
.
get
(
'link_binary_list'
,
''
).
splitlines
():
if
not
linkline
:
continue
target
=
linkline
.
split
()
if
len
(
target
)
==
1
:
target
=
target
[
0
]
path
,
linkname
=
os
.
path
.
split
(
target
)
else
:
linkname
=
target
[
1
]
target
=
target
[
0
]
link
=
os
.
path
.
join
(
self
.
bin_directory
,
linkname
)
if
os
.
path
.
lexists
(
link
):
if
not
os
.
path
.
islink
(
link
):
raise
zc
.
buildout
.
UserError
(
'Target link already %r exists but it is not link'
%
link
)
os
.
unlink
(
link
)
os
.
symlink
(
target
,
link
)
self
.
logger
.
debug
(
'Created link %r -> %r'
%
(
link
,
target
))
self
.
path_list
.
append
(
link
)
\ No newline at end of file
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