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Commit
6636656e
authored
Apr 10, 2014
by
Dudás Ádám
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vm: refactor operations
parent
ebfd1921
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2 changed files
with
166 additions
and
122 deletions
+166
-122
circle/vm/models/instance.py
+99
-56
circle/vm/operations.py
+67
-66
No files found.
circle/vm/models/instance.py
View file @
6636656e
...
...
@@ -2,6 +2,7 @@ from __future__ import absolute_import, unicode_literals
from
datetime
import
timedelta
from
importlib
import
import_module
from
logging
import
getLogger
from
string
import
ascii_lowercase
from
warnings
import
warn
import
django.conf
...
...
@@ -726,65 +727,48 @@ class Instance(AclBase, VirtualMachineDescModel, StatusModel, OperatedMixin,
"""
return
scheduler
.
select_node
(
self
,
Node
.
objects
.
all
())
def
_schedule_vm
(
self
,
act
):
"""Schedule the virtual machine as part of a higher level activity.
:param act: Parent activity.
def
deploy_disks
(
self
):
"""Deploy all associated disks.
"""
# Find unused port for VNC
if
self
.
vnc_port
is
None
:
self
.
vnc_port
=
find_unused_vnc_port
()
# Schedule
if
self
.
node
is
None
:
self
.
node
=
self
.
select_node
()
self
.
save
()
def
_deploy_vm
(
self
,
act
,
timeout
=
15
):
"""Deploy the virtual machine.
:param self: The virtual machine.
devnums
=
list
(
ascii_lowercase
)
# a-z
for
disk
in
self
.
disks
.
all
():
# assign device numbers
if
disk
.
dev_num
in
devnums
:
devnums
.
remove
(
disk
.
dev_num
)
else
:
disk
.
dev_num
=
devnums
.
pop
(
0
)
disk
.
save
()
# deploy disk
disk
.
deploy
()
:param act: Parent activity.
def
destroy_disks
(
self
):
"""Destroy all associated disks.
"""
queue_name
=
self
.
get_remote_queue_name
(
'vm'
)
for
disk
in
self
.
disks
.
all
():
disk
.
destroy
()
# Deploy VM on remote machine
with
act
.
sub_activity
(
'deploying_vm'
)
as
deploy_act
:
deploy_act
.
result
=
vm_tasks
.
deploy
.
apply_async
(
args
=
[
self
.
get_vm_desc
()],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
# Estabilish network connection (vmdriver)
with
act
.
sub_activity
(
'deploying_net'
):
def
deploy_net
(
self
):
"""Deploy all associated network interfaces.
"""
for
net
in
self
.
interface_set
.
all
():
net
.
deploy
()
# Resume vm
with
act
.
sub_activity
(
'booting'
):
vm_tasks
.
resume
.
apply_async
(
args
=
[
self
.
vm_name
],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
self
.
renew
(
which
=
'both'
,
base_activity
=
act
)
def
_destroy_vm
(
self
,
act
,
timeout
=
15
):
"""Destroy the virtual machine and its associated networks.
:param self: The virtual machine.
:param act: Parent activity.
def
destroy_net
(
self
):
"""Destroy all associated network interfaces.
"""
# Destroy networks
with
act
.
sub_activity
(
'destroying_net'
):
for
net
in
self
.
interface_set
.
all
():
net
.
destroy
()
# Destroy virtual machine
with
act
.
sub_activity
(
'destroying_vm'
):
def
shutdown_net
(
self
):
"""Shutdown all associated network interfaces.
"""
for
net
in
self
.
interface_set
.
all
():
net
.
shutdown
()
def
delete_vm
(
self
,
timeout
=
15
):
queue_name
=
self
.
get_remote_queue_name
(
'vm'
)
try
:
vm_tasks
.
destroy
.
apply_async
(
args
=
[
self
.
vm_name
],
return
vm_tasks
.
destroy
.
apply_async
(
args
=
[
self
.
vm_name
],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
except
Exception
as
e
:
...
...
@@ -794,26 +778,85 @@ class Instance(AclBase, VirtualMachineDescModel, StatusModel, OperatedMixin,
else
:
raise
def
_cleanup_after_destroy_vm
(
self
,
act
,
timeout
=
15
):
"""Clean up the virtual machine's data after destroy.
def
deploy_vm
(
self
,
timeout
=
15
):
queue_name
=
self
.
get_remote_queue_name
(
'vm'
)
return
vm_tasks
.
deploy
.
apply_async
(
args
=
[
self
.
get_vm_desc
()],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
:param self: The virtual machine.
def
migrate_vm
(
self
,
to_node
,
timeout
=
120
):
queue_name
=
self
.
get_remote_queue_name
(
'vm'
)
return
vm_tasks
.
migrate
.
apply_async
(
args
=
[
self
.
vm_name
,
to_node
.
host
.
hostname
],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
:param act: Parent activity.
"""
# Delete mem. dump if exists
try
:
def
reboot_vm
(
self
,
timeout
=
5
):
queue_name
=
self
.
get_remote_queue_name
(
'vm'
)
return
vm_tasks
.
reboot
.
apply_async
(
args
=
[
self
.
vm_name
],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
def
reset_vm
(
self
,
timeout
=
5
):
queue_name
=
self
.
get_remote_queue_name
(
'vm'
)
return
vm_tasks
.
reset
.
apply_async
(
args
=
[
self
.
vm_name
],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
def
resume_vm
(
self
,
timeout
=
15
):
queue_name
=
self
.
get_remote_queue_name
(
'vm'
)
return
vm_tasks
.
resume
.
apply_async
(
args
=
[
self
.
vm_name
],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
def
shutdown_vm
(
self
,
timeout
=
120
):
queue_name
=
self
.
get_remote_queue_name
(
'vm'
)
logger
.
debug
(
"RPC Shutdown at queue:
%
s, for vm:
%
s."
,
queue_name
,
self
.
vm_name
)
return
vm_tasks
.
shutdown
.
apply_async
(
kwargs
=
{
'name'
:
self
.
vm_name
},
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
def
suspend_vm
(
self
,
timeout
=
60
):
queue_name
=
self
.
get_remote_queue_name
(
'vm'
)
return
vm_tasks
.
sleep
.
apply_async
(
args
=
[
self
.
vm_name
,
self
.
mem_dump
[
'path'
]],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
def
wake_up_vm
(
self
,
timeout
=
60
):
queue_name
=
self
.
get_remote_queue_name
(
'vm'
)
return
vm_tasks
.
wake_up
.
apply_async
(
args
=
[
self
.
vm_name
,
self
.
mem_dump
[
'path'
]],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
def
delete_mem_dump
(
self
,
timeout
=
15
):
queue_name
=
self
.
mem_dump
[
'datastore'
]
.
get_remote_queue_name
(
'storage'
)
from
storage.tasks.remote_tasks
import
delete_dump
delete_dump
.
apply_async
(
args
=
[
self
.
mem_dump
[
'path'
]],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
except
:
pass
# Clear node and VNC port association
def
allocate_node
(
self
):
if
self
.
node
is
None
:
self
.
node
=
self
.
select_node
()
self
.
save
()
def
yield_node
(
self
):
if
self
.
node
is
not
None
:
self
.
node
=
None
self
.
save
()
def
allocate_vnc_port
(
self
):
if
self
.
vnc_port
is
None
:
self
.
vnc_port
=
find_unused_vnc_port
()
self
.
save
()
def
yield_vnc_port
(
self
):
if
self
.
vnc_port
is
not
None
:
self
.
vnc_port
=
None
self
.
save
()
def
get_status_icon
(
self
):
return
{
...
...
circle/vm/operations.py
View file @
6636656e
from
__future__
import
absolute_import
,
unicode_literals
from
logging
import
getLogger
from
string
import
ascii_lowercase
from
django.core.exceptions
import
PermissionDenied
from
django.utils
import
timezone
...
...
@@ -10,7 +9,6 @@ from celery.exceptions import TimeLimitExceeded
from
common.operations
import
Operation
,
register_operation
from
storage.models
import
Disk
from
.tasks
import
vm_tasks
from
.tasks.local_tasks
import
async_instance_operation
,
async_node_operation
from
.models
import
(
Instance
,
InstanceActivity
,
InstanceTemplate
,
Node
,
NodeActivity
,
...
...
@@ -70,23 +68,28 @@ class DeployOperation(InstanceOperation):
def
on_commit
(
self
,
activity
):
activity
.
resultant_state
=
'RUNNING'
def
_operation
(
self
,
activity
,
user
,
system
):
self
.
instance
.
_schedule_vm
(
activity
)
def
_operation
(
self
,
activity
,
user
,
system
,
timeout
=
15
):
# Allocate VNC port and host node
self
.
instance
.
allocate_vnc_port
()
self
.
instance
.
allocate_node
()
# Deploy virtual images
with
activity
.
sub_activity
(
'deploying_disks'
):
devnums
=
list
(
ascii_lowercase
)
# a-z
for
disk
in
self
.
instance
.
disks
.
all
():
# assign device numbers
if
disk
.
dev_num
in
devnums
:
devnums
.
remove
(
disk
.
dev_num
)
else
:
disk
.
dev_num
=
devnums
.
pop
(
0
)
disk
.
save
()
# deploy disk
disk
.
deploy
()
self
.
instance
.
deploy_disks
()
self
.
instance
.
_deploy_vm
(
activity
)
# Deploy VM on remote machine
with
activity
.
sub_activity
(
'deploying_vm'
)
as
deploy_act
:
deploy_act
.
result
=
self
.
instance
.
deploy_vm
(
timeout
=
timeout
)
# Establish network connection (vmdriver)
with
activity
.
sub_activity
(
'deploying_net'
):
self
.
instance
.
deploy_net
()
# Resume vm
with
activity
.
sub_activity
(
'booting'
):
self
.
instance
.
resume_vm
(
timeout
=
timeout
)
self
.
instance
.
renew
(
which
=
'both'
,
base_activity
=
activity
)
register_instance_operation
(
DeployOperation
)
...
...
@@ -103,14 +106,27 @@ class DestroyOperation(InstanceOperation):
def
_operation
(
self
,
activity
,
user
,
system
):
if
self
.
instance
.
node
:
self
.
instance
.
_destroy_vm
(
activity
)
# Destroy networks
with
activity
.
sub_activity
(
'destroying_net'
):
self
.
instance
.
destroy_net
()
# Delete virtual machine
with
activity
.
sub_activity
(
'destroying_vm'
):
self
.
instance
.
delete_vm
()
# Destroy disks
with
activity
.
sub_activity
(
'destroying_disks'
):
for
disk
in
self
.
instance
.
disks
.
all
():
disk
.
destroy
()
self
.
instance
.
destroy_disks
()
self
.
instance
.
_cleanup_after_destroy_vm
(
activity
)
# Delete mem. dump if exists
try
:
self
.
instance
.
delete_mem_dump
()
except
:
pass
# Clear node and VNC port association
self
.
instance
.
yield_node
()
self
.
instance
.
yield_vnc_port
()
self
.
instance
.
destroyed_at
=
timezone
.
now
()
self
.
instance
.
save
()
...
...
@@ -131,23 +147,19 @@ class MigrateOperation(InstanceOperation):
to_node
=
self
.
instance
.
select_node
()
sa
.
result
=
to_node
# Destroy networks
with
activity
.
sub_activity
(
'destroying_net'
):
for
net
in
self
.
instance
.
interface_set
.
all
():
net
.
shutdown
()
# Shutdown networks
with
activity
.
sub_activity
(
'shutdown_net'
):
self
.
instance
.
shutdown_net
()
with
activity
.
sub_activity
(
'migrate_vm'
):
queue_name
=
self
.
instance
.
get_remote_queue_name
(
'vm'
)
vm_tasks
.
migrate
.
apply_async
(
args
=
[
self
.
instance
.
vm_name
,
to_node
.
host
.
hostname
],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
self
.
instance
.
migrate_vm
(
to_node
=
to_node
,
timeout
=
timeout
)
# Refresh node information
self
.
instance
.
node
=
to_node
self
.
instance
.
save
()
# Estabilish network connection (vmdriver)
with
activity
.
sub_activity
(
'deploying_net'
):
for
net
in
self
.
instance
.
interface_set
.
all
():
net
.
deploy
()
self
.
instance
.
deploy_net
()
register_instance_operation
(
MigrateOperation
)
...
...
@@ -160,9 +172,7 @@ class RebootOperation(InstanceOperation):
description
=
_
(
"Reboot virtual machine with Ctrl+Alt+Del signal."
)
def
_operation
(
self
,
activity
,
user
,
system
,
timeout
=
5
):
queue_name
=
self
.
instance
.
get_remote_queue_name
(
'vm'
)
vm_tasks
.
reboot
.
apply_async
(
args
=
[
self
.
instance
.
vm_name
],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
self
.
instance
.
reboot_vm
(
timeout
=
timeout
)
register_instance_operation
(
RebootOperation
)
...
...
@@ -175,10 +185,7 @@ class ResetOperation(InstanceOperation):
description
=
_
(
"Reset virtual machine (reset button)."
)
def
_operation
(
self
,
activity
,
user
,
system
,
timeout
=
5
):
queue_name
=
self
.
instance
.
get_remote_queue_name
(
'vm'
)
vm_tasks
.
reset
.
apply_async
(
args
=
[
self
.
instance
.
vm_name
],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
self
.
instance
.
reset_vm
(
timeout
=
timeout
)
register_instance_operation
(
ResetOperation
)
...
...
@@ -219,7 +226,7 @@ class SaveAsTemplateOperation(InstanceOperation):
def
__try_save_disk
(
disk
):
try
:
return
disk
.
save_as
()
# can do in parallel
return
disk
.
save_as
()
except
Disk
.
WrongDiskTypeError
:
return
disk
...
...
@@ -260,14 +267,9 @@ class ShutdownOperation(InstanceOperation):
activity
.
resultant_state
=
'STOPPED'
def
_operation
(
self
,
activity
,
user
,
system
,
timeout
=
120
):
queue_name
=
self
.
instance
.
get_remote_queue_name
(
'vm'
)
logger
.
debug
(
"RPC Shutdown at queue:
%
s, for vm:
%
s."
,
queue_name
,
self
.
instance
.
vm_name
)
vm_tasks
.
shutdown
.
apply_async
(
kwargs
=
{
'name'
:
self
.
instance
.
vm_name
},
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
self
.
instance
.
node
=
None
self
.
instance
.
vnc_port
=
None
self
.
instance
.
save
()
self
.
instance
.
shutdown_vm
(
timeout
=
timeout
)
self
.
instance
.
yield_node
()
self
.
instance
.
yield_vnc_port
()
register_instance_operation
(
ShutdownOperation
)
...
...
@@ -283,12 +285,17 @@ class ShutOffOperation(InstanceOperation):
activity
.
resultant_state
=
'STOPPED'
def
_operation
(
self
,
activity
,
user
,
system
):
#
Destroy VM
if
self
.
instance
.
node
:
self
.
instance
.
_destroy_vm
(
activity
)
#
Shutdown networks
with
activity
.
sub_activity
(
'shutdown_net'
)
:
self
.
instance
.
shutdown_net
(
)
self
.
instance
.
_cleanup_after_destroy_vm
(
activity
)
self
.
instance
.
save
()
# Delete virtual machine
with
activity
.
sub_activity
(
'delete_vm'
):
self
.
instance
.
delete_vm
()
# Clear node and VNC port association
self
.
instance
.
yield_node
()
self
.
instance
.
yield_vnc_port
()
register_instance_operation
(
ShutOffOperation
)
...
...
@@ -316,18 +323,15 @@ class SleepOperation(InstanceOperation):
def
_operation
(
self
,
activity
,
user
,
system
,
timeout
=
60
):
# Destroy networks
with
activity
.
sub_activity
(
'destroying_net'
):
for
net
in
self
.
instance
.
interface_set
.
all
():
net
.
shutdown
()
with
activity
.
sub_activity
(
'shutdown_net'
):
self
.
instance
.
shutdown_net
()
# Suspend vm
with
activity
.
sub_activity
(
'suspending'
):
queue_name
=
self
.
instance
.
get_remote_queue_name
(
'vm'
)
vm_tasks
.
sleep
.
apply_async
(
args
=
[
self
.
instance
.
vm_name
,
self
.
instance
.
mem_dump
[
'path'
]],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
self
.
instance
.
node
=
None
self
.
instance
.
save
()
self
.
instance
.
suspend_vm
(
timeout
=
timeout
)
self
.
instance
.
yield_node
()
# VNC port needs to be kept
register_instance_operation
(
SleepOperation
)
...
...
@@ -355,19 +359,16 @@ class WakeUpOperation(InstanceOperation):
def
_operation
(
self
,
activity
,
user
,
system
,
timeout
=
60
):
# Schedule vm
self
.
instance
.
_schedule_vm
(
activity
)
queue_name
=
self
.
instance
.
get_remote_queue_name
(
'vm'
)
self
.
instance
.
allocate_vnc_port
(
)
self
.
instance
.
allocate_node
(
)
# Resume vm
with
activity
.
sub_activity
(
'resuming'
):
vm_tasks
.
wake_up
.
apply_async
(
args
=
[
self
.
instance
.
vm_name
,
self
.
instance
.
mem_dump
[
'path'
]],
queue
=
queue_name
)
.
get
(
timeout
=
timeout
)
self
.
instance
.
wake_up_vm
(
timeout
=
timeout
)
# Estabilish network connection (vmdriver)
with
activity
.
sub_activity
(
'deploying_net'
):
for
net
in
self
.
instance
.
interface_set
.
all
():
net
.
deploy
()
self
.
instance
.
deploy_net
()
# Renew vm
self
.
instance
.
renew
(
which
=
'both'
,
base_activity
=
activity
)
...
...
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