def extend_lvm(self, lvm_name, extend_size):
""
# 1 ²éѯ
infos = self.info_lvm(lvm_name)
if infos is None:
raise CustomException("lvm is not exist.")
vg_name = infos['vg_name']
lvm_size = infos['lvm_size']
# 2 À©Õ¹lvm
lvm = LvmDriver(vg_name)
lvm.extend_volume(lvm_name, "+" + str(lvm_size) + "M")
cmd = Command()
lvm_path = self.get_lvm_path(lvm_name, vg_name)
# 3 ɨÃè
cmd.execute("e2fsck -f -y %s" % lvm_path)
# 4 ÖØÖÃ
cmd.execute("resize2fs %s" % lvm_path)
lvm_new_size = int(infos['lvm_size']) + int(extend_size)
# 5 ¸üÐÂÊý¾Ý¿â
update_sql = 'UPDATE lvm SET lvmSize = ? WHERE lvmName = ? '
data = [(lvm_new_size, lvm_name)]
storage_conf = self.conf.get_storage_conf()
storage_db = storage_conf['db_path']
sql_tools = SqliteTools(storage_db)
sql_tools.update(update_sql, data)
def set_vm_cpu(self, vm_name, vcpus):
""
# 1 检测
self.check(vm_name)
# 2 设置cpu
self.vm_tools.set_vcpus(vm_name=vm_name, vcpus=vcpus)
# 3 修改数据库
virtual_conf = self.conf.get_virtual_conf()
virtual_db = virtual_conf['db_path']
sql_tools = SqliteTools(virtual_db)
update_sql = 'UPDATE %s SET vcpus = ? WHERE vmName = ? ' % VMTABLE
data = [(vcpus, vm_name)]
sql_tools.update(update_sql, data)
def set_vm_mem(self, vm_name, size):
""
# 1 检测
self.check(vm_name)
# 2 设置内存
self.vm_tools.set_mem(vm_name=vm_name, memory=size)
# 3 修改数据库
virtual_conf = self.conf.get_virtual_conf()
virtual_db = virtual_conf['db_path']
sql_tools = SqliteTools(virtual_db)
update_sql = 'UPDATE %s SET memSize = ? WHERE vmName = ? ' % VMTABLE
data = [(size, vm_name)]
sql_tools.update(update_sql, data)
def drop_image(self,image_name):
""
image_conf = self.conf.get_image_conf()
image_path = image_conf['path']
image_file = os.path.join(image_path,image_name)
if os.path.isfile(image_file):
os.remove(image_file)
update_sql = 'UPDATE images SET status = ? WHERE name = ? '
data = [(9, image_name)]
images_db = image_conf['db_path']
sql_tools = SqliteTools(images_db)
sql_tools.update(update_sql,data)
return
extend_size = int(total_size) - int(disk_size)
# 4 扩展磁盘
try:
self.storageManage.extend_lvm(disk_name, extend_size)
except Exception, e:
raise CustomException("Error: extend lvm failed!")
# 5 修改数据库
virtual_conf = self.conf.get_virtual_conf()
virtual_db = virtual_conf['db_path']
sql_tools = SqliteTools(virtual_db)
update_sql = 'UPDATE %s SET diskSize = ? WHERE vmName = ? and diskName = ?' % DISKTABLE
data = [(total_size, vm_name, disk_name)]
sql_tools.update(update_sql, data)
# 得到vnc端口
def get_vnc_port(self):
""
virtual_conf = self.conf.get_virtual_conf()
vnc_port_range = virtual_conf['vnc_port_range']
min_port, max_port = vnc_port_range.split('-')
#查询当前vnc端口
virtual_db = virtual_conf['db_path']
sql_tools = SqliteTools(virtual_db)
fetchall_sql = '''SELECT vncPort FROM %s order by vncPort''' % VMTABLE
ports = sql_tools.fetchall(fetchall_sql)