def r_detach_disk(disk_uuid): args_rules = [Rules.DISK_UUID.value] try: ji.Check.previewing(args_rules, {'disk_uuid': disk_uuid}) disk = Disk() disk.uuid = disk_uuid disk.get_by('uuid') ret = dict() ret['state'] = ji.Common.exchange_state(20000) if disk.state != DiskState.mounted.value or disk.sequence == 0: # 表示未被任何实例使用,已被分离 # 序列为 0 的表示实例系统盘,系统盘不可以被分离 # TODO: 系统盘单独范围其它状态 return ret guest = Guest() guest.uuid = disk.guest_uuid guest.get_by('uuid') # 判断 Guest 是否处于可用状态 if guest.status in (status.GuestState.no_state.value, status.GuestState.dirty.value): ret['state'] = ji.Common.exchange_state(41259) return ret config = Config() config.id = 1 config.get() guest_xml = GuestXML(guest=guest, disk=disk, config=config) message = { '_object': 'guest', 'action': 'detach_disk', 'uuid': disk.guest_uuid, 'node_id': guest.node_id, 'xml': guest_xml.get_disk(), 'passback_parameters': { 'disk_uuid': disk.uuid } } Utils.emit_instruction(message=json.dumps(message)) disk.state = DiskState.unloading.value disk.update() return ret except ji.PreviewingError, e: return json.loads(e.message)
def r_create(): args_rules = [ Rules.CPU.value, Rules.MEMORY.value, Rules.OS_TEMPLATE_ID.value, Rules.QUANTITY.value, Rules.REMARK.value, Rules.PASSWORD.value, Rules.LEASE_TERM.value ] if 'node_id' in request.json: args_rules.append(Rules.NODE_ID.value, ) try: ret = dict() ret['state'] = ji.Common.exchange_state(20000) ji.Check.previewing(args_rules, request.json) config = Config() config.id = 1 config.get() os_template = OSTemplate() os_template.id = request.json.get('os_template_id') if not os_template.exist(): ret['state'] = ji.Common.exchange_state(40450) ret['state']['sub']['zh-cn'] = ''.join( [ret['state']['sub']['zh-cn'], ': ', os_template.id.__str__()]) return ret os_template.get() # 重置密码的 boot job id 固定为 1 boot_jobs_id = [1, os_template.boot_job_id] boot_jobs, boot_jobs_count = OperateRule.get_by_filter( filter_str='boot_job_id:in:' + ','.join( ['{0}'.format(boot_job_id) for boot_job_id in boot_jobs_id]).__str__()) if db.r.scard(app.config['ip_available_set']) < 1: ret['state'] = ji.Common.exchange_state(50350) return ret node_id = request.json.get('node_id', None) # 默认只取可随机分配虚拟机的 hosts available_hosts = Host.get_available_hosts(nonrandom=False) # 当指定了 host 时,取全部活着的 hosts if node_id is not None: available_hosts = Host.get_available_hosts(nonrandom=None) if available_hosts.__len__() == 0: ret['state'] = ji.Common.exchange_state(50351) return ret if node_id is not None and node_id not in [ host['node_id'] for host in available_hosts ]: ret['state'] = ji.Common.exchange_state(50351) return ret quantity = request.json.get('quantity') while quantity: quantity -= 1 guest = Guest() guest.uuid = uuid4().__str__() guest.cpu = request.json.get('cpu') # 虚拟机内存单位,模板生成方法中已置其为GiB guest.memory = request.json.get('memory') guest.os_template_id = request.json.get('os_template_id') guest.label = ji.Common.generate_random_code(length=8) guest.remark = request.json.get('remark', '') guest.password = request.json.get('password') if guest.password is None or guest.password.__len__() < 1: guest.password = ji.Common.generate_random_code(length=16) guest.ip = db.r.spop(app.config['ip_available_set']) db.r.sadd(app.config['ip_used_set'], guest.ip) guest.network = config.vm_network guest.manage_network = config.vm_manage_network guest.vnc_port = db.r.spop(app.config['vnc_port_available_set']) db.r.sadd(app.config['vnc_port_used_set'], guest.vnc_port) guest.vnc_password = ji.Common.generate_random_code(length=16) disk = Disk() disk.uuid = guest.uuid disk.remark = guest.label.__str__() + '_SystemImage' disk.format = 'qcow2' disk.sequence = 0 disk.size = 0 disk.path = config.storage_path + '/' + disk.uuid + '.' + disk.format disk.guest_uuid = '' # disk.node_id 由 guest 事件处理机更新。涉及迁移时,其所属 node_id 会变更。参见 models/event_processory.py:111 附近。 disk.node_id = 0 disk.quota(config=config) disk.create() guest_xml = GuestXML(guest=guest, disk=disk, config=config, os_type=os_template.os_type) guest.xml = guest_xml.get_domain() # 在可用计算节点中平均分配任务 chosen_host = available_hosts[quantity % available_hosts.__len__()] guest.node_id = chosen_host['node_id'] if node_id is not None: guest.node_id = node_id guest.node_id = int(guest.node_id) guest.create() # 替换占位符为有效内容 _boot_jobs = copy.deepcopy(boot_jobs) for k, v in enumerate(_boot_jobs): _boot_jobs[k]['content'] = v['content'].replace('{IP}', guest.ip).\ replace('{HOSTNAME}', guest.label). \ replace('{PASSWORD}', guest.password). \ replace('{NETMASK}', config.netmask).\ replace('{GATEWAY}', config.gateway).\ replace('{DNS1}', config.dns1).\ replace('{DNS2}', config.dns2) _boot_jobs[k]['command'] = v['command'].replace('{IP}', guest.ip). \ replace('{HOSTNAME}', guest.label). \ replace('{PASSWORD}', guest.password). \ replace('{NETMASK}', config.netmask). \ replace('{GATEWAY}', config.gateway). \ replace('{DNS1}', config.dns1). \ replace('{DNS2}', config.dns2) message = { '_object': 'guest', 'action': 'create', 'uuid': guest.uuid, 'storage_mode': config.storage_mode, 'dfs_volume': config.dfs_volume, 'node_id': guest.node_id, 'name': guest.label, 'template_path': os_template.path, 'os_type': os_template.os_type, 'disk': disk.__dict__, # disk 将被废弃,由 disks 代替,暂时保留它的目的,是为了保持与 JimV-N 的兼容性 'disks': [disk.__dict__], 'xml': guest_xml.get_domain(), 'boot_jobs': _boot_jobs, 'passback_parameters': { 'boot_jobs_id': boot_jobs_id } } Utils.emit_instruction( message=json.dumps(message, ensure_ascii=False)) return ret except ji.PreviewingError, e: return json.loads(e.message)
def r_attach_disk(uuid, disk_uuid): args_rules = [Rules.UUID.value, Rules.DISK_UUID.value] try: ji.Check.previewing(args_rules, {'uuid': uuid, 'disk_uuid': disk_uuid}) guest = Guest() guest.uuid = uuid guest.get_by('uuid') disk = Disk() disk.uuid = disk_uuid disk.get_by('uuid') config = Config() config.id = 1 config.get() ret = dict() ret['state'] = ji.Common.exchange_state(20000) # 判断欲挂载的磁盘是否空闲 if disk.guest_uuid.__len__() > 0 or disk.state != DiskState.idle.value: ret['state'] = ji.Common.exchange_state(41258) return ret # 判断 Guest 是否处于可用状态 if guest.status in (status.GuestState.no_state.value, status.GuestState.dirty.value): ret['state'] = ji.Common.exchange_state(41259) return ret # 判断 Guest 与 磁盘是否在同一宿主机上 if config.storage_mode in [ status.StorageMode.local.value, status.StorageMode.shared_mount.value ]: if guest.node_id != disk.node_id: ret['state'] = ji.Common.exchange_state(41260) return ret # 通过检测未被使用的序列,来确定当前磁盘在目标 Guest 身上的序列 disk.guest_uuid = guest.uuid disks, count = disk.get_by_filter(filter_str='guest_uuid:in:' + guest.uuid) already_used_sequence = list() for _disk in disks: already_used_sequence.append(_disk['sequence']) for sequence in range(0, dev_table.__len__()): if sequence not in already_used_sequence: disk.sequence = sequence break disk.state = DiskState.mounting.value guest_xml = GuestXML(guest=guest, disk=disk, config=config) message = { '_object': 'guest', 'action': 'attach_disk', 'uuid': uuid, 'node_id': guest.node_id, 'xml': guest_xml.get_disk(), 'passback_parameters': { 'disk_uuid': disk.uuid, 'sequence': disk.sequence }, 'disks': [disk.__dict__] } Utils.emit_instruction(message=json.dumps(message)) disk.update() return ret except ji.PreviewingError, e: return json.loads(e.message)
def r_create(): args_rules = [ Rules.CPU.value, Rules.MEMORY.value, Rules.BANDWIDTH.value, Rules.BANDWIDTH_UNIT.value, Rules.OS_TEMPLATE_IMAGE_ID.value, Rules.QUANTITY.value, Rules.REMARK.value, Rules.PASSWORD.value, Rules.LEASE_TERM.value ] if 'node_id' in request.json: args_rules.append( Rules.NODE_ID.value ) if 'ssh_keys_id' in request.json: args_rules.append( Rules.SSH_KEYS_ID.value ) try: ret = dict() ret['state'] = ji.Common.exchange_state(20000) ji.Check.previewing(args_rules, request.json) config = Config() config.id = 1 config.get() os_template_image = OSTemplateImage() os_template_profile = OSTemplateProfile() os_template_image.id = request.json.get('os_template_image_id') if not os_template_image.exist(): ret['state'] = ji.Common.exchange_state(40450) ret['state']['sub']['zh-cn'] = ''.join([ret['state']['sub']['zh-cn'], ': ', os_template_image.id.__str__()]) return ret os_template_image.get() os_template_profile.id = os_template_image.os_template_profile_id os_template_profile.get() os_template_initialize_operates, os_template_initialize_operates_count = \ OSTemplateInitializeOperate.get_by_filter( filter_str='os_template_initialize_operate_set_id:eq:' + os_template_profile.os_template_initialize_operate_set_id.__str__()) if db.r.scard(app.config['ip_available_set']) < 1: ret['state'] = ji.Common.exchange_state(50350) return ret node_id = request.json.get('node_id', None) # 默认只取可随机分配虚拟机的 hosts available_hosts = Host.get_available_hosts(nonrandom=False) # 当指定了 host 时,取全部活着的 hosts if node_id is not None: available_hosts = Host.get_available_hosts(nonrandom=None) if available_hosts.__len__() == 0: ret['state'] = ji.Common.exchange_state(50351) return ret available_hosts_mapping_by_node_id = dict() for host in available_hosts: if host['node_id'] not in available_hosts_mapping_by_node_id: available_hosts_mapping_by_node_id[host['node_id']] = host if node_id is not None and node_id not in available_hosts_mapping_by_node_id: ret['state'] = ji.Common.exchange_state(50351) return ret ssh_keys_id = request.json.get('ssh_keys_id', list()) ssh_keys = list() ssh_key_guest_mapping = SSHKeyGuestMapping() if ssh_keys_id.__len__() > 0: rows, _ = SSHKey.get_by_filter( filter_str=':'.join(['id', 'in', ','.join(_id.__str__() for _id in ssh_keys_id)])) for row in rows: ssh_keys.append(row['public_key']) bandwidth = request.json.get('bandwidth') bandwidth_unit = request.json.get('bandwidth_unit') if bandwidth_unit == 'k': bandwidth = bandwidth * 1000 elif bandwidth_unit == 'm': bandwidth = bandwidth * 1000 ** 2 elif bandwidth_unit == 'g': bandwidth = bandwidth * 1000 ** 3 else: ret = dict() ret['state'] = ji.Common.exchange_state(41203) raise ji.PreviewingError(json.dumps(ret, ensure_ascii=False)) # http://man7.org/linux/man-pages/man8/tc.8.html # 如果带宽大于 tc 所控最大速率,则置其为无限带宽 # 34359738360 等于 tc 最大可控字节速率,换算出的比特位 if bandwidth > 34359738360: bandwidth = 0 quantity = request.json.get('quantity') while quantity: quantity -= 1 guest = Guest() guest.uuid = uuid4().__str__() guest.cpu = request.json.get('cpu') # 虚拟机内存单位,模板生成方法中已置其为GiB guest.memory = request.json.get('memory') guest.bandwidth = bandwidth guest.os_template_image_id = request.json.get('os_template_image_id') guest.label = ji.Common.generate_random_code(length=8) guest.remark = request.json.get('remark', '') guest.password = request.json.get('password') if guest.password is None or guest.password.__len__() < 1: guest.password = ji.Common.generate_random_code(length=16) guest.ip = db.r.spop(app.config['ip_available_set']) db.r.sadd(app.config['ip_used_set'], guest.ip) guest.network = config.vm_network guest.manage_network = config.vm_manage_network guest.vnc_port = db.r.spop(app.config['vnc_port_available_set']) db.r.sadd(app.config['vnc_port_used_set'], guest.vnc_port) guest.vnc_password = ji.Common.generate_random_code(length=16) disk = Disk() disk.uuid = guest.uuid disk.remark = guest.label.__str__() + '_SystemImage' disk.format = 'qcow2' disk.sequence = 0 disk.size = 0 disk.path = config.storage_path + '/' + disk.uuid + '.' + disk.format disk.guest_uuid = '' # disk.node_id 由 guest 事件处理机更新。涉及迁移时,其所属 node_id 会变更。参见 @models/event_processory.py:111 附近。 disk.node_id = 0 disk.quota(config=config) disk.create() if node_id is None: # 在可用计算节点中平均分配任务 chosen_host = available_hosts[quantity % available_hosts.__len__()] else: chosen_host = available_hosts_mapping_by_node_id[node_id] guest.node_id = chosen_host['node_id'] guest_xml = GuestXML(host=chosen_host, guest=guest, disk=disk, config=config, os_type=os_template_profile.os_type) guest.xml = guest_xml.get_domain() guest.node_id = int(guest.node_id) guest.create() ssh_key_guest_mapping.guest_uuid = guest.uuid if ssh_keys_id.__len__() > 0: for ssh_key_id in ssh_keys_id: ssh_key_guest_mapping.ssh_key_id = ssh_key_id ssh_key_guest_mapping.create() # 替换占位符为有效内容 _os_template_initialize_operates = copy.deepcopy(os_template_initialize_operates) for k, v in enumerate(_os_template_initialize_operates): _os_template_initialize_operates[k]['content'] = v['content'].replace('{IP}', guest.ip).\ replace('{HOSTNAME}', guest.label). \ replace('{PASSWORD}', guest.password). \ replace('{NETMASK}', config.netmask).\ replace('{GATEWAY}', config.gateway).\ replace('{DNS1}', config.dns1).\ replace('{DNS2}', config.dns2). \ replace('{SSH-KEY}', '\n'.join(ssh_keys)) _os_template_initialize_operates[k]['command'] = v['command'].replace('{IP}', guest.ip). \ replace('{HOSTNAME}', guest.label). \ replace('{PASSWORD}', guest.password). \ replace('{NETMASK}', config.netmask). \ replace('{GATEWAY}', config.gateway). \ replace('{DNS1}', config.dns1). \ replace('{DNS2}', config.dns2). \ replace('{SSH-KEY}', '\n'.join(ssh_keys)) message = { '_object': 'guest', 'action': 'create', 'uuid': guest.uuid, 'storage_mode': config.storage_mode, 'dfs_volume': config.dfs_volume, 'node_id': guest.node_id, 'name': guest.label, 'template_path': os_template_image.path, 'os_type': os_template_profile.os_type, 'disks': [disk.__dict__], 'xml': guest_xml.get_domain(), 'os_template_initialize_operates': _os_template_initialize_operates, 'passback_parameters': {} } Utils.emit_instruction(message=json.dumps(message, ensure_ascii=False)) return ret except ji.PreviewingError, e: return json.loads(e.message)