127 lines
3.8 KiB
Python
127 lines
3.8 KiB
Python
import logging
|
|
|
|
import libvirt
|
|
|
|
from ..exceptions import VMError
|
|
from .base import VMBase
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class VirtualMachine(VMBase):
|
|
|
|
@property
|
|
def name(self):
|
|
return self.domain.name()
|
|
|
|
@property
|
|
def status(self) -> str:
|
|
"""
|
|
Return VM state: 'running', 'shutoff', etc. Reference:
|
|
https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainState
|
|
"""
|
|
state = self.domain.info()[0]
|
|
match state:
|
|
case libvirt.VIR_DOMAIN_NOSTATE:
|
|
return 'nostate'
|
|
case libvirt.VIR_DOMAIN_RUNNING:
|
|
return 'running'
|
|
case libvirt.VIR_DOMAIN_BLOCKED:
|
|
return 'blocked'
|
|
case libvirt.VIR_DOMAIN_PAUSED:
|
|
return 'paused'
|
|
case libvirt.VIR_DOMAIN_SHUTDOWN:
|
|
return 'shutdown'
|
|
case libvirt.VIR_DOMAIN_SHUTOFF:
|
|
return 'shutoff'
|
|
case libvirt.VIR_DOMAIN_CRASHED:
|
|
return 'crashed'
|
|
case libvirt.VIR_DOMAIN_PMSUSPENDED:
|
|
return 'pmsuspended'
|
|
|
|
@property
|
|
def is_running(self) -> bool:
|
|
"""Return True if VM is running, else return False."""
|
|
if self.domain.isActive() != 1:
|
|
# inactive (0) or error (-1)
|
|
return False
|
|
return True
|
|
|
|
def start(self) -> None:
|
|
"""Start defined VM."""
|
|
logger.info('Starting VM: vm=%s', self.domname)
|
|
if self.is_running:
|
|
logger.debug('VM vm=%s is already started, nothing to do', self.domname)
|
|
return
|
|
try:
|
|
ret = self.domain.create()
|
|
except libvirt.libvirtError as err:
|
|
raise VMError(err) from err
|
|
if ret != 0:
|
|
raise VMError('Cannot start VM: vm=%s exit_code=%s', self.domname, ret)
|
|
|
|
def shutdown(self, force=False, sigkill=False) -> None:
|
|
"""
|
|
Send ACPI signal to guest OS to shutdown. OS may ignore this.
|
|
Use `force=True` for graceful VM destroy. Add `sigkill=True`
|
|
to hard shutdown (may corrupt guest data!).
|
|
"""
|
|
if sigkill:
|
|
flags = libvirt.VIR_DOMAIN_DESTROY_DEFAULT
|
|
else:
|
|
flags = libvirt.VIR_DOMAIN_DESTROY_GRACEFUL
|
|
if force:
|
|
ret = self.domain.destroyFlags(flags=flags)
|
|
else:
|
|
# Normal VM shutdown via ACPI signal, OS may ignore this.
|
|
ret = self.domain.shutdown()
|
|
if ret != 0:
|
|
raise VMError(
|
|
f'Cannot shutdown VM, try force or sigkill: %s', self.domname
|
|
)
|
|
|
|
def reset(self):
|
|
"""
|
|
Copypaste from libvirt doc::
|
|
|
|
Reset a domain immediately without any guest OS shutdown.
|
|
Reset emulates the power reset button on a machine, where all
|
|
hardware sees the RST line set and reinitializes internal state.
|
|
|
|
Note that there is a risk of data loss caused by reset without any
|
|
guest OS shutdown.
|
|
"""
|
|
ret = self.domian.reset()
|
|
if ret != 0:
|
|
raise VMError('Cannot reset VM: %s', self.domname)
|
|
|
|
def reboot(self) -> None:
|
|
"""Send ACPI signal to guest OS to reboot. OS may ignore this."""
|
|
ret = self.domain.reboot()
|
|
if ret != 0:
|
|
raise VMError('Cannot reboot: %s', self.domname)
|
|
|
|
def set_autostart(self) -> None:
|
|
ret = self.domain.autostart()
|
|
if ret != 0:
|
|
raise VMError('Cannot set : %s', self.domname)
|
|
|
|
def vcpu_set(self, count: int):
|
|
pass
|
|
|
|
def vram_set(self, count: int):
|
|
pass
|
|
|
|
def ssh_keys_list(self, user: str):
|
|
pass
|
|
|
|
def ssh_keys_add(self, user: str):
|
|
pass
|
|
|
|
def ssh_keys_remove(self, user: str):
|
|
pass
|
|
|
|
def set_user_password(self, user: str):
|
|
pass
|