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# -*- coding: utf-8 -*-
# pylint: disable=too-many-public-methods
from __future__ import absolute_import
import json
import logging
from requests.auth import HTTPBasicAuth
try:
from urlparse import urlparse
except ImportError:
from urllib.parse import urlparse
from ..rest_client import RestClient
from ..settings import Settings
from .iscsi_config import IscsiGatewaysConfig
logger = logging.getLogger('iscsi_client')
class IscsiClient(RestClient):
_CLIENT_NAME = 'iscsi'
_instances = {} # type: dict
service_url = None
gateway_name = None
@classmethod
def instance(cls, gateway_name=None, service_url=None):
if not service_url:
if not gateway_name:
gateway_name = list(IscsiGatewaysConfig.get_gateways_config()['gateways'].keys())[0]
gateways_config = IscsiGatewaysConfig.get_gateway_config(gateway_name)
service_url = gateways_config['service_url']
instance = cls._instances.get(gateway_name)
if not instance or service_url != instance.service_url or \
instance.session.verify != Settings.ISCSI_API_SSL_VERIFICATION:
url = urlparse(service_url)
ssl = url.scheme == 'https'
host = url.hostname
port = url.port
username = url.username
password = url.password
if not port:
port = 443 if ssl else 80
auth = HTTPBasicAuth(username, password)
instance = IscsiClient(host, port, IscsiClient._CLIENT_NAME, ssl,
auth, Settings.ISCSI_API_SSL_VERIFICATION)
instance.service_url = service_url
instance.gateway_name = gateway_name
if gateway_name:
cls._instances[gateway_name] = instance
return instance
@RestClient.api_get('/api/_ping')
def ping(self, request=None):
return request()
@RestClient.api_get('/api/settings')
def get_settings(self, request=None):
return request()
@RestClient.api_get('/api/sysinfo/ip_addresses')
def get_ip_addresses(self, request=None):
return request()
@RestClient.api_get('/api/sysinfo/hostname')
def get_hostname(self, request=None):
return request()
@RestClient.api_get('/api/config')
def get_config(self, request=None):
return request({
'decrypt_passwords': True
})
@RestClient.api_put('/api/target/{target_iqn}')
def create_target(self, target_iqn, target_controls, request=None):
logger.debug("[%s] Creating target: %s", self.gateway_name, target_iqn)
return request({
'controls': json.dumps(target_controls)
})
@RestClient.api_delete('/api/target/{target_iqn}')
def delete_target(self, target_iqn, request=None):
logger.debug("[%s] Deleting target: %s", self.gateway_name, target_iqn)
return request()
@RestClient.api_put('/api/target/{target_iqn}')
def reconfigure_target(self, target_iqn, target_controls, request=None):
logger.debug("[%s] Reconfiguring target: %s", self.gateway_name, target_iqn)
return request({
'mode': 'reconfigure',
'controls': json.dumps(target_controls)
})
@RestClient.api_put('/api/gateway/{target_iqn}/{gateway_name}')
def create_gateway(self, target_iqn, gateway_name, ip_address, request=None):
logger.debug("[%s] Creating gateway: %s/%s", self.gateway_name, target_iqn,
gateway_name)
return request({
'ip_address': ','.join(ip_address),
'skipchecks': 'true'
})
@RestClient.api_get('/api/gatewayinfo')
def get_gatewayinfo(self, request=None):
return request()
@RestClient.api_delete('/api/gateway/{target_iqn}/{gateway_name}')
def delete_gateway(self, target_iqn, gateway_name, request=None):
logger.debug("Deleting gateway: %s/%s", target_iqn, gateway_name)
return request()
@RestClient.api_put('/api/disk/{pool}/{image}')
def create_disk(self, pool, image, backstore, wwn, request=None):
logger.debug("[%s] Creating disk: %s/%s", self.gateway_name, pool, image)
return request({
'mode': 'create',
'backstore': backstore,
'wwn': wwn
})
@RestClient.api_delete('/api/disk/{pool}/{image}')
def delete_disk(self, pool, image, request=None):
logger.debug("[%s] Deleting disk: %s/%s", self.gateway_name, pool, image)
return request({
'preserve_image': 'true'
})
@RestClient.api_put('/api/disk/{pool}/{image}')
def reconfigure_disk(self, pool, image, controls, request=None):
logger.debug("[%s] Reconfiguring disk: %s/%s", self.gateway_name, pool, image)
return request({
'controls': json.dumps(controls),
'mode': 'reconfigure'
})
@RestClient.api_put('/api/targetlun/{target_iqn}')
def create_target_lun(self, target_iqn, image_id, lun, request=None):
logger.debug("[%s] Creating target lun: %s/%s", self.gateway_name, target_iqn,
image_id)
return request({
'disk': image_id,
'lun_id': lun
})
@RestClient.api_delete('/api/targetlun/{target_iqn}')
def delete_target_lun(self, target_iqn, image_id, request=None):
logger.debug("[%s] Deleting target lun: %s/%s", self.gateway_name, target_iqn,
image_id)
return request({
'disk': image_id
})
@RestClient.api_put('/api/client/{target_iqn}/{client_iqn}')
def create_client(self, target_iqn, client_iqn, request=None):
logger.debug("[%s] Creating client: %s/%s", self.gateway_name, target_iqn, client_iqn)
return request()
@RestClient.api_delete('/api/client/{target_iqn}/{client_iqn}')
def delete_client(self, target_iqn, client_iqn, request=None):
logger.debug("[%s] Deleting client: %s/%s", self.gateway_name, target_iqn, client_iqn)
return request()
@RestClient.api_put('/api/clientlun/{target_iqn}/{client_iqn}')
def create_client_lun(self, target_iqn, client_iqn, image_id, request=None):
logger.debug("[%s] Creating client lun: %s/%s", self.gateway_name, target_iqn,
client_iqn)
return request({
'disk': image_id
})
@RestClient.api_delete('/api/clientlun/{target_iqn}/{client_iqn}')
def delete_client_lun(self, target_iqn, client_iqn, image_id, request=None):
logger.debug("iSCSI[%s] Deleting client lun: %s/%s", self.gateway_name, target_iqn,
client_iqn)
return request({
'disk': image_id
})
@RestClient.api_put('/api/clientauth/{target_iqn}/{client_iqn}')
def create_client_auth(self, target_iqn, client_iqn, username, password, mutual_username,
mutual_password, request=None):
logger.debug("[%s] Creating client auth: %s/%s/%s/%s/%s/%s",
self.gateway_name, target_iqn, client_iqn, username, password, mutual_username,
mutual_password)
return request({
'username': username,
'password': password,
'mutual_username': mutual_username,
'mutual_password': mutual_password
})
@RestClient.api_put('/api/hostgroup/{target_iqn}/{group_name}')
def create_group(self, target_iqn, group_name, members, image_ids, request=None):
logger.debug("[%s] Creating group: %s/%s", self.gateway_name, target_iqn, group_name)
return request({
'members': ','.join(members),
'disks': ','.join(image_ids)
})
@RestClient.api_put('/api/hostgroup/{target_iqn}/{group_name}')
def update_group(self, target_iqn, group_name, members, image_ids, request=None):
logger.debug("iSCSI[%s] Updating group: %s/%s", self.gateway_name, target_iqn, group_name)
return request({
'action': 'remove',
'members': ','.join(members),
'disks': ','.join(image_ids)
})
@RestClient.api_delete('/api/hostgroup/{target_iqn}/{group_name}')
def delete_group(self, target_iqn, group_name, request=None):
logger.debug("[%s] Deleting group: %s/%s", self.gateway_name, target_iqn, group_name)
return request()
@RestClient.api_put('/api/discoveryauth')
def update_discoveryauth(self, user, password, mutual_user, mutual_password, request=None):
logger.debug("[%s] Updating discoveryauth: %s/%s/%s/%s", self.gateway_name, user,
password, mutual_user, mutual_password)
return request({
'username': user,
'password': password,
'mutual_username': mutual_user,
'mutual_password': mutual_password
})
@RestClient.api_put('/api/targetauth/{target_iqn}')
def update_targetacl(self, target_iqn, action, request=None):
logger.debug("[%s] Updating targetacl: %s/%s", self.gateway_name, target_iqn, action)
return request({
'action': action
})
@RestClient.api_put('/api/targetauth/{target_iqn}')
def update_targetauth(self, target_iqn, user, password, mutual_user, mutual_password,
request=None):
logger.debug("[%s] Updating targetauth: %s/%s/%s/%s/%s", self.gateway_name,
target_iqn, user, password, mutual_user, mutual_password)
return request({
'username': user,
'password': password,
'mutual_username': mutual_user,
'mutual_password': mutual_password
})
@RestClient.api_get('/api/targetinfo/{target_iqn}')
def get_targetinfo(self, target_iqn, request=None):
# pylint: disable=unused-argument
return request()
@RestClient.api_get('/api/clientinfo/{target_iqn}/{client_iqn}')
def get_clientinfo(self, target_iqn, client_iqn, request=None):
# pylint: disable=unused-argument
return request()
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