def r_resume(uuids):
args_rules = [Rules.UUIDS.value]
try:
ji.Check.previewing(args_rules, {'uuids': uuids})
guest = Guest()
for uuid in uuids.split(','):
guest.uuid = uuid
guest.get_by('uuid')
for uuid in uuids.split(','):
guest.uuid = uuid
guest.get_by('uuid')
message = {
'_object': 'guest',
'action': 'resume',
'uuid': uuid,
'hostname': guest.on_host
}
Guest.emit_instruction(message=json.dumps(message))
ret = dict()
ret['state'] = ji.Common.exchange_state(20000)
return ret
except ji.PreviewingError, e:
return json.loads(e.message)
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,
'hostname': guest.on_host,
'xml': guest_xml.get_disk(),
'passback_parameters': {
'disk_uuid': disk.uuid
}
}
Guest.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_delete(uuids):
args_rules = [Rules.UUIDS.value]
try:
ji.Check.previewing(args_rules, {'uuids': uuids})
ret = dict()
ret['state'] = ji.Common.exchange_state(20000)
disk = Disk()
# 检测所指定的 UUDIs 磁盘都存在
for uuid in uuids.split(','):
disk.uuid = uuid
disk.get_by('uuid')
if disk.state != DiskState.idle.value:
ret['state'] = ji.Common.exchange_state(41256)
return ret
config = Config()
config.id = 1
config.get()
# 执行删除操作
for uuid in uuids.split(','):
disk.uuid = uuid
disk.get_by('uuid')
message = {
'_object': 'disk',
'action': 'delete',
'uuid': disk.uuid,
'storage_mode': config.storage_mode,
'dfs_volume': config.dfs_volume,
'hostname': disk.on_host,
'image_path': disk.path
}
if disk.on_host == 'shared_storage':
message['hostname'] = Guest.get_lightest_host()['hostname']
Guest.emit_instruction(
message=json.dumps(message, ensure_ascii=False))
return ret
except ji.PreviewingError, e:
return json.loads(e.message)
def r_delete(uuids):
args_rules = [Rules.UUIDS.value]
# TODO: 加入是否删除使用的数据磁盘开关，如果为True，则顺便删除使用的磁盘。否则解除该磁盘被使用的状态。
try:
ji.Check.previewing(args_rules, {'uuids': uuids})
guest = Guest()
# 检测所指定的 UUDIs 实例都存在
for uuid in uuids.split(','):
guest.uuid = uuid
guest.get_by('uuid')
config = Config()
config.id = 1
config.get()
# 执行删除操作
for uuid in uuids.split(','):
guest.uuid = uuid
guest.get_by('uuid')
message = {
'_object': 'guest',
'action': 'delete',
'uuid': uuid,
'storage_mode': config.storage_mode,
'dfs_volume': config.dfs_volume,
'hostname': guest.on_host
}
Guest.emit_instruction(message=json.dumps(message))
# 删除创建失败的 Guest
if guest.status == status.GuestState.dirty.value:
disk = Disk()
disk.uuid = guest.uuid
disk.get_by('uuid')
if disk.state == status.DiskState.pending.value:
disk.delete()
guest.delete()
ret = dict()
ret['state'] = ji.Common.exchange_state(20000)
return ret
except ji.PreviewingError, e:
return json.loads(e.message)
def r_resize(uuid, size):
args_rules = [Rules.UUID.value, Rules.DISK_SIZE_STR.value]
try:
ji.Check.previewing(args_rules, {'uuid': uuid, 'size': size})
disk = Disk()
disk.uuid = uuid
disk.get_by('uuid')
ret = dict()
ret['state'] = ji.Common.exchange_state(20000)
if disk.size >= size:
ret['state'] = ji.Common.exchange_state(41257)
return ret
config = Config()
config.id = 1
config.get()
message = {
'_object': 'disk',
'action': 'resize',
'uuid': disk.uuid,
'guest_uuid': disk.guest_uuid,
'storage_mode': config.storage_mode,
'size': int(size),
'dfs_volume': config.dfs_volume,
'hostname': disk.on_host,
'image_path': disk.path,
'passback_parameters': {
'size': size
}
}
if disk.on_host == 'shared_storage':
message['hostname'] = Guest.get_lightest_host()['hostname']
if disk.guest_uuid.__len__() == 36:
message['device_node'] = dev_table[disk.sequence]
Guest.emit_instruction(message=json.dumps(message, ensure_ascii=False))
return ret
except ji.PreviewingError, e:
return json.loads(e.message)
def r_migrate(uuids, destination_host):
args_rules = [Rules.UUIDS.value, Rules.DESTINATION_HOST.value]
try:
ji.Check.previewing(args_rules, {
'uuids': uuids,
'destination_host': destination_host
})
guest = Guest()
for uuid in uuids.split(','):
guest.uuid = uuid
guest.get_by('uuid')
config = Config()
config.id = 1
config.get()
for uuid in uuids.split(','):
guest.uuid = uuid
guest.get_by('uuid')
message = {
'_object': 'guest',
'action': 'migrate',
'uuid': uuid,
'hostname': guest.on_host,
'storage_mode': config.storage_mode,
'duri': 'qemu+ssh://' + destination_host + '/system'
}
Guest.emit_instruction(message=json.dumps(message))
ret = dict()
ret['state'] = ji.Common.exchange_state(20000)
return ret
except ji.PreviewingError, e:
return json.loads(e.message)
def r_create():
args_rules = [
Rules.DISK_SIZE.value, Rules.REMARK.value, Rules.DISK_ON_HOST.value,
Rules.QUANTITY.value
]
config = Config()
config.id = 1
config.get()
if config.storage_mode in [
StorageMode.shared_mount.value, StorageMode.ceph.value,
StorageMode.glusterfs.value
]:
request.json['on_host'] = 'shared_storage'
try:
ji.Check.previewing(args_rules, request.json)
ret = dict()
ret['state'] = ji.Common.exchange_state(20000)
size = request.json['size']
quantity = request.json['quantity']
on_host = request.json['on_host']
if size < 1:
ret['state'] = ji.Common.exchange_state(41255)
return ret
while quantity:
quantity -= 1
disk = Disk()
disk.guest_uuid = ''
disk.size = size
disk.uuid = uuid4().__str__()
disk.remark = request.json.get('remark', '')
disk.on_host = on_host
disk.sequence = -1
disk.format = 'qcow2'
disk.path = config.storage_path + '/' + disk.uuid + '.' + disk.format
message = {
'_object': 'disk',
'action': 'create',
'uuid': disk.uuid,
'storage_mode': config.storage_mode,
'dfs_volume': config.dfs_volume,
'hostname': disk.on_host,
'image_path': disk.path,
'size': disk.size
}
if disk.on_host == 'shared_storage':
available_hosts = Guest.get_available_hosts()
if available_hosts.__len__() == 0:
ret['state'] = ji.Common.exchange_state(50351)
return ret
# 在可用计算节点中平均分配任务
chosen_host = available_hosts[quantity %
available_hosts.__len__()]
message['hostname'] = chosen_host['hostname']
Guest.emit_instruction(
message=json.dumps(message, ensure_ascii=False))
disk.create()
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.on_host != disk.on_host:
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,
'hostname': guest.on_host,
'xml': guest_xml.get_disk(),
'passback_parameters': {
'disk_uuid': disk.uuid,
'sequence': disk.sequence
}
}
Guest.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.OS_TEMPLATE_ID.value,
Rules.QUANTITY.value, Rules.REMARK.value, Rules.PASSWORD.value,
Rules.LEASE_TERM.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
available_hosts = Guest.get_available_hosts()
if available_hosts.__len__() == 0:
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.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.on_host = chosen_host['hostname']
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,
'hostname': guest.on_host,
'name': guest.label,
'template_path': os_template.path,
'os_type': os_template.os_type,
'disk': disk.__dict__,
'xml': guest_xml.get_domain(),
'boot_jobs': _boot_jobs,
'passback_parameters': {
'boot_jobs_id': boot_jobs_id
}
}
Guest.emit_instruction(
message=json.dumps(message, ensure_ascii=False))
return ret
except ji.PreviewingError, e:
return json.loads(e.message)
def r_boot(uuids):
# TODO: 做好关系依赖判断，比如boot不可以对suspend的实例操作。
args_rules = [Rules.UUIDS.value]
try:
ji.Check.previewing(args_rules, {'uuids': uuids})
guest = Guest()
for uuid in uuids.split(','):
guest.uuid = uuid
guest.get_by('uuid')
config = Config()
config.id = 1
config.get()
for uuid in uuids.split(','):
guest.uuid = uuid
guest.get_by('uuid')
_, boot_jobs_id = guest.get_boot_jobs()
boot_jobs = list()
if boot_jobs_id.__len__() > 0:
boot_jobs, count = OperateRule.get_by_filter(
filter_str='boot_job_id:in:' + ','.join(boot_jobs_id))
# 替换占位符为有效内容
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': 'boot',
'uuid': uuid,
'boot_jobs': boot_jobs,
'hostname': guest.on_host,
'passback_parameters': {
'boot_jobs_id': boot_jobs_id
}
}
Guest.emit_instruction(message=json.dumps(message))
ret = dict()
ret['state'] = ji.Common.exchange_state(20000)
return ret
except ji.PreviewingError, e:
return json.loads(e.message)
