Source code for ovirtlago.virt

#
# Copyright 2015 Red Hat, Inc.
#
# 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 2 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
#
# Refer to the README and COPYING files for full details of the license
#
import os
import warnings

import lago
import lago.config
import lago.vm
import ovirtsdk.api
from ovirtsdk.infrastructure.errors import (RequestError, ConnectionError)

from . import (constants, testlib, )


[docs]class OvirtVirtEnv(lago.virt.VirtEnv): def __init__(self, prefix, vm_specs, net_spec): self._engine_vm = None self._host_vms = [] super(OvirtVirtEnv, self).__init__(prefix, vm_specs, net_spec)
[docs] def _create_vm(self, vm_spec): metadata = vm_spec.get('metadata', {}) role = metadata.get('ovirt-role', None) if role: warnings.warn( 'ovirt-role metadata entry will be soon deprecated, instead ' 'you should use the vm-provider entry in the domain ' 'definiton and set it no one of: ovirt-node, ovirt-engine, ' 'ovirt-host' ) provider_name = 'ovirt-' + role else: provider_name = vm_spec.get( 'vm-type', lago.config.get('default_vm_provider', 'default'), ) if provider_name == 'ovirt-engine': if self._engine_vm is not None: raise RuntimeError('Engine VM already exists') vm_spec['vm-type'] = provider_name self._engine_vm = super(OvirtVirtEnv, self)._create_vm(vm_spec) return self._engine_vm elif provider_name in ('ovirt-host', 'ovirt-node'): vm_spec['vm-type'] = provider_name self._host_vms.append( super(OvirtVirtEnv, self)._create_vm(vm_spec) ) return self._host_vms[-1] else: return super(OvirtVirtEnv, self)._create_vm(vm_spec)
[docs] def engine_vm(self): return self._engine_vm
[docs] def host_vms(self): return self._host_vms[:]
# TODO : solve the problem of ssh to the Node
[docs]class NodeVM(lago.vm.DefaultVM):
[docs] def _artifact_paths(self): return []
[docs] def collect_artifacts(self, host_path): return
[docs] def wait_for_ssh(self): return
[docs]class EngineVM(lago.vm.DefaultVM): def __init__(self, *args, **kwargs): super(EngineVM, self).__init__(*args, **kwargs) self._api = None
[docs] def stop(self): super(EngineVM, self).stop() self._api = None
[docs] def _artifact_paths(self): inherited_artifacts = super(EngineVM, self)._artifact_paths() return set(inherited_artifacts + ['/var/log/ovirt-engine', ])
[docs] def _create_api(self): url = 'https://%s/ovirt-engine/api' % self.ip() return ovirtsdk.api.API( url=url, username=constants.ENGINE_USER, password=str(self.metadata['ovirt-engine-password']), validate_cert_chain=False, insecure=True, )
[docs] def _get_api(self, wait): if wait: self.wait_for_ssh() try: testlib.assert_true_within_long( lambda: self.service('ovirt-engine').alive() ) api = [] testlib.assert_true_within_short( lambda: api.append(self._create_api()) or True, allowed_exceptions=[RequestError, ConnectionError], ) except AssertionError: raise RuntimeError('Failed to connect to the engine') return api.pop()
[docs] def get_api(self, wait=True): if self._api is None or not self._api.test(): self._api = self._get_api(wait) return self._api
[docs] def add_iso(self, path): iso_name = os.path.basename(path) self.copy_to(path, '.') ret = self.ssh( [ 'ovirt-iso-uploader', '--conf-file=/root/iso-uploader.conf', '--insecure', iso_name, ] ) if ret: raise RuntimeError('Failed to upload iso to ovirt') ret = self.ssh(['rm', iso_name]) if ret: raise RuntimeError('Failed to remove uploaded image')
[docs] def engine_setup(self, config=None): self.wait_for_ssh() if config: self.copy_to(config, 'engine-answer-file') result = self.interactive_ssh( [ 'engine-setup', ] + (config and ['--config-append=engine-answer-file'] or []), ) if result.code != 0: raise RuntimeError('Failed to setup the engine')
[docs]class HostVM(lago.vm.DefaultVM):
[docs] def _artifact_paths(self): inherited_artifacts = super(HostVM, self)._artifact_paths() if self.distro() not in ['fc22', 'fc23']: inherited_artifacts.append('/var/log/messages') return set( inherited_artifacts + [ '/var/log/vdsm', '/var/log/sanlock.log', ] )