def info(self, name):
""" Get pool info
Args:
name(str): Pool name:func=["pool", "list"]
Returns:
pool_info(dict): Pool info
"""
zpool_output = exec_command('zpool status %s' % name).stdout
prop_output = exec_command('zpool get all %s' % name).stdout
lines = zpool_output.splitlines()
state = lines[1].split(':')[1].strip()
disk_list = list()
for line in lines[7:-1]:
if len(line.strip()) != 0:
disk_list.append(line.strip().split()[0])
info = OrderedDict()
props = dict()
for line in prop_output.splitlines()[1:]:
name, prop, value, source = line.split()
props[prop] = value
info['size'] = props['size']
info['allocated'] = props['allocated']
info['capacity'] = props['capacity']
info['free'] = props['free']
info['failmode'] = props['failmode']
info['health'] = props['health']
info['disk_list'] = disk_list
return info
def create(self, name, disk_list, raid_type=""):
"""Create pool
Args:
name(str): Pool name
disk_list(list): A list of disk:func=["disk", "list"]
raid_type(str): RAID type:enum=["raidz", "raidz2", "raidz3", "mirror"]
Raises:
NameError(str): Pool name exist or invalid
ValueError(str): Disk name is invalid
TypeError(str): RAID type invalid
Examples:
Take a pool name, and then select the disk you want, select the raid type.
>> pool create name p1 disk_list disk0,disk1 raid_type mirror
"""
if name in self.list(): # check pool not exist
raise NameError("pool exists", name)
if name.isdigit():
raise NameError("Pool name can not be digit")
if raid_type != "" and raid_type not in [
"raidz", "raidz2", "raidz3", "mirror"
]:
raise TypeError("RAID type: %s is invalid" % raid_type)
exec_command('zpool create -f %s %s %s' %
(name, raid_type, " ".join(disk_list)))
def destroy(self, share_name):
""" Create share folder
Args:
share_name(str): Share name:func=["share", "list"]
Raises:
NameError(str): Status is not exist
"""
exec_command('zfs destroy %s' % share_name)
def destroy(self, username):
""" Destroy user
Args:
username(str): User name:func=["user", "list"]
Raises:
NameError(str): Can not delete admin
"""
if username == 'admin':
raise NameError('Can not delete admin')
exec_command('deluser %s' % username)
def enable(self, share_name):
""" Enable file share
Args:
share_name(str): Share name:func=["share", "list"]
Raises:
NameError(str): Status is not exist
"""
exec_command('zfs set sharesmb=on %s' % share_name)
exec_command('zfs set acltype=posixacl %s' % share_name)
def destroy(self, name):
"""Create pool
Args:
name(str): Pool name:func=["pool", "list"]
Raises:
NameError(str): Pool name exist or invalid
"""
if name not in self.list(): # check pool not exist
raise NameError("pool not exists", name)
exec_command('zpool destroy %s' % name)
def create(self, pool_name, share_name):
""" Create share folder
Args:
pool_name(str): Pool name :func=["pool", "list"]
share_name(str): Share name
Raises:
NameError(str): Status is not exist
"""
if pool_name not in self.modules.pool.list(): # check pool not exist
raise NameError("pool not exists", pool_name)
exec_command('zfs create %s/%s' % (pool_name, share_name))
self.enable(pool_name + '/' + share_name)
def chpasswd(self, username, password):
""" Change password
Args:
username(str): User name
password(str): Password
Raises:
NameError(str): username error
"""
try:
exec_command('id %s' % username)
except:
raise NameError('User %s not exists' % username)
encrypted_passwd = crypt.crypt(password, crypt.mksalt(crypt.METHOD_MD5))
exec_command("echo {}:{} | chpasswd".format(username, encrypted_passwd))
def list(self, pool_name, share_name):
""" List all disks
Args:
status(str): Get all/free/used disks :enum=["ALL", "FREE", "ONLINE", "UNINITIATED", "INITIATING"]
Returns:
disk_list(dict): a list of disks
Raises:
NameError(str): Status is not exist
"""
lsblk_output = json.loads(
exec_command('lsblk -JO').stdout)['blockdevices']
output = OrderedDict()
for dev in lsblk_output:
disk = OrderedDict()
disk['size'] = dev['size']
disk['type'] = dev['type']
disk['mountpoint'] = dev['mountpoint']
disk['label'] = dev['label']
disk['model'] = dev['model']
disk['serial'] = dev['serial']
output[dev['name']] = disk
return output
def disable(self, pool_name, share_name):
""" Disable file share
Args:
pool_name(str): Pool name :func=["pool", "list"]
share_name(str): Share name
Raises:
NameError(str): Status is not exist
"""
if pool_name not in self.modules.pool.list(): # check pool not exist
raise NameError("pool not exists", pool_name)
try:
exec_command('zfs set sharesmb=off %s/%s' %
(pool_name, share_name))
except:
pass
def set_user_acl(self, folder, user, permission):
""" Set user ACL of folder
Args:
folder(str): Folder to set:func=["share", "list"]
user(str): User name:func=["user", "list"]
permission(str): Access permission:enum=["RO", "RW", "DA"]
Exmaples:
set_user_acl("folder1", "admin", "RO")
RO: Read only
RW: Read Write
DA: Deny access
Raises:
TypeError(str): No such persmisison type
"""
enum = {"RO": "r-", "RW": "rwX", "DA": "---"}
if permission not in enum:
raise TypeError("No such permisison type")
acl = enum[permission]
folder_info = self.modules.share.list()[folder]
path = folder_info['mountpoint']
exec_command('setfacl -R -m u:{}:{} {}'.format(user, acl, path))
def create(self, username, password):
""" Create user
Args:
username(str): User name
password(str): Password
Raises:
NameError(str): Username error
ParameterError(str): Password error
"""
try:
exec_command('id %s' % username)
raise NameError('User %s already exists' % username)
except:
pass
encrypted_passwd = crypt.crypt(password, crypt.mksalt(crypt.METHOD_MD5))
exec_command("adduser -D -H -h {} -s {} -G users {} ".format('/', '/bin/false', username))
exec_command("echo {}:{} | chpasswd".format(username, encrypted_passwd))
exec_command("printf '{}\n{}\n' | smbpasswd -a -s {}".format(password, password, username))
def list(self):
""" List all pools
Returns:
pool_list(dict): a list of pool
"""
zpool_output = exec_command(
'zpool list -o name,size,alloc,free,health').stdout
output = OrderedDict()
for line in zpool_output.splitlines()[1:]:
name, size, alloc, free, health = line.split()
pool = OrderedDict()
pool['size'] = size
pool['alloc'] = alloc
pool['free'] = free
pool['health'] = health
output[name] = pool
return output
def list(self, pool_name=None):
""" List all share folders
Args:
pool_name(str): Pool name :func=["pool", "list"]
Returns:
share_list(list): A list of share folders
"""
res = OrderedDict()
output = exec_command(
'zfs list -t filesystem -o name,avail,used,mountpoint').stdout
for line in output.splitlines()[1:]:
dataset_name, avail, used, mountpoint = line.split()
if '/' not in dataset_name:
continue
if pool_name is None or pool_name + '/' == dataset_name[
0:len(pool_name + '/')]:
name = dataset_name
res[name] = OrderedDict()
res[name]['used'] = used
res[name]['availible'] = avail
res[name]['pool'] = dataset_name.split('/')[0]
res[name]['mountpoint'] = mountpoint
return res
def reboot(self):
""" Reboot
"""
exec_command("reboot")
def __init__(self):
exec_command('mkdir -p /var/lib/samba/usershares')
exec_command('chmod 1700 /var/lib/samba/usershares')
def __init__(self):
exec_command('/sbin/modprobe zfs')
exec_command('zpool import -a')
auth.token_db[uid] = "admin"
auth.users_db.save()
auth.token_db.save()
def get_module_list():
this_dir = os.path.dirname(os.path.abspath(__file__))
modules_dir = os.path.join(this_dir, 'modules')
module_list = list()
module_files = glob.glob(modules_dir + "/[a-z]*.py")
for file in module_files:
module_name = os.path.basename(file).split('.')[0]
m = importlib.import_module("nas.modules.%s" % module_name)
module_attrs = dir(m)
for attr_name in module_attrs:
attr = getattr(m, attr_name)
if inspect.isclass(attr) and issubclass(
attr, LarvaObject) and attr != LarvaObject:
module_list.append(attr)
return module_list
modules = get_module_list()
server = Larva(modules, host='0.0.0.0', port=8080, auth=auth)
app = server.app
exec_command("chmod 660 /var/db/larva.db")
exec_command("chown root:admin /var/db/larva.db")
app.wsgi_app = ProxyFix(app.wsgi_app)
def poweroff(self):
""" Power OFF
"""
exec_command("poweroff")