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Fujitsu Driver: Change the calculation of TPP's capacity
Change the calculation of TPP's provisioned capacity. Change-Id: Ied54f1c7f0e7c638367f24d6a3065c7966c4b30e
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264 changes: 264 additions & 0 deletions
264
cinder/volume/drivers/fujitsu/eternus_dx/eternus_dx_cli.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,264 @@ | ||
| # Copyright (c) 2019 FUJITSU LIMITED | ||
| # All Rights Reserved. | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); you may | ||
| # not use this file except in compliance with the License. You may obtain | ||
| # a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| # License for the specific language governing permissions and limitations | ||
| # under the License. | ||
| # | ||
|
|
||
| """Cinder Volume driver for Fujitsu ETERNUS DX S3 series.""" | ||
| import six | ||
|
|
||
| from cinder.i18n import _ | ||
| from cinder import ssh_utils | ||
|
|
||
|
|
||
| class FJDXCLI(object): | ||
| """ETERNUS CLI Code.""" | ||
|
|
||
| def __init__(self, user, storage_ip, password=None, keyfile=None): | ||
| """Constructor.""" | ||
| self.user = user | ||
| self.storage_ip = storage_ip | ||
| if password and keyfile: | ||
| raise Exception(_('can not specify both password and keyfile')) | ||
|
|
||
| self.use_ipv6 = False | ||
| if storage_ip.find(':') != -1: | ||
| self.use_ipv6 = True | ||
|
|
||
| if password: | ||
| self.ssh_pool = ssh_utils.SSHPool(storage_ip, 22, None, user, | ||
| password=password, max_size=2) | ||
|
|
||
| if keyfile: | ||
| self.ssh_pool = ssh_utils.SSHPool(storage_ip, 22, None, user, | ||
| privatekey=keyfile, max_size=2) | ||
|
|
||
| self.ce_support = False | ||
| self.CMD_dic = { | ||
| 'check_user_role': self._check_user_role, | ||
| 'show_pool_provision': self._show_pool_provision, | ||
| } | ||
|
|
||
| self.SMIS_dic = { | ||
| '0000': '0', # Success. | ||
| '0060': '32787', # The device is in busy state. | ||
| '0100': '4097' | ||
| } # Size not supported. | ||
|
|
||
| def done(self, command, **option): | ||
| func = self.CMD_dic.get(command, self._default_func) | ||
| return func(**option) | ||
|
|
||
| def _exec_cli(self, cmd, StrictHostKeyChecking=True, **option): | ||
|
|
||
| exec_cmdline = cmd + self._get_option(**option) | ||
| stdoutdata = self._exec_cli_with_eternus(exec_cmdline) | ||
| output = [] | ||
| message = [] | ||
| stdoutlist = stdoutdata.split('\r\n') | ||
| output_header = "" | ||
|
|
||
| for no, outline in enumerate(stdoutlist): | ||
| if len(outline) <= 0 or outline is None: | ||
| continue | ||
|
|
||
| if not output_header.endswith(exec_cmdline): | ||
| output_header += outline | ||
| continue | ||
|
|
||
| if 0 <= outline.find('Error'): | ||
| raise Exception(_("Output: %(outline)s: " | ||
| "Command: %(cmdline)s") | ||
| % {'outline': outline, | ||
| 'cmdline': exec_cmdline}) | ||
|
|
||
| if not self._is_status(outline): | ||
| continue | ||
|
|
||
| status = int(outline, 16) | ||
| lineno = no + 1 | ||
| break | ||
| else: | ||
| raise Exception(_( | ||
| "Invalid CLI output: %(exec_cmdline)s, %(stdoutlist)s") | ||
| % {'exec_cmdline': exec_cmdline, | ||
| 'stdoutlist': stdoutlist}) | ||
|
|
||
| if status == 0: | ||
| rc = '0' | ||
| for outline in stdoutlist[lineno:]: | ||
| if 0 <= outline.find('CLI>'): | ||
| continue | ||
| if len(outline) <= 0: | ||
| continue | ||
| if outline is None: | ||
| continue | ||
| message.append(outline) | ||
| else: | ||
| code = stdoutlist[lineno] | ||
| for outline in stdoutlist[lineno + 1:]: | ||
| if 0 <= outline.find('CLI>'): | ||
| continue | ||
| if len(outline) <= 0: | ||
| continue | ||
| if outline is None: | ||
| continue | ||
| output.append(outline) | ||
|
|
||
| rc, message = self._create_error_message(code, output) | ||
|
|
||
| return {'result': 0, 'rc': rc, 'message': message} | ||
|
|
||
| def _exec_cli_with_eternus(self, exec_cmdline): | ||
| """Execute CLI command with arguments.""" | ||
| ssh = None | ||
| try: | ||
| ssh = self.ssh_pool.get() | ||
| chan = ssh.invoke_shell() | ||
| chan.send(exec_cmdline + '\n') | ||
| stdoutdata = '' | ||
| while True: | ||
| temp = chan.recv(65535) | ||
| if isinstance(temp, six.binary_type): | ||
| temp = temp.decode('utf-8') | ||
| else: | ||
| temp = str(temp) | ||
| stdoutdata += temp | ||
|
|
||
| # CLI command end with 'CLI>'. | ||
| if stdoutdata == '\r\nCLI> ': | ||
| continue | ||
| if (stdoutdata[len(stdoutdata) - 5: len(stdoutdata) - 1] == | ||
| 'CLI>'): | ||
| break | ||
| except Exception as e: | ||
| raise Exception(_("Execute CLI " | ||
| "command error. Error: %s") % six.text_type(e)) | ||
| finally: | ||
| if ssh: | ||
| self.ssh_pool.put(ssh) | ||
| self.ssh_pool.remove(ssh) | ||
| return stdoutdata | ||
|
|
||
| def _create_error_message(self, code, msg): | ||
| """Create error code and message using arguements.""" | ||
| message = None | ||
| if code in self.SMIS_dic: | ||
| rc = self.SMIS_dic[code] | ||
| else: | ||
| rc = 'E' + code | ||
|
|
||
| # TODO(whfnst): we will have a dic to store errors. | ||
| if rc == "E0001": | ||
| message = "Bad value: %s" % msg | ||
| elif rc == "ED184": | ||
| message = "Because OPC is being executed, " | ||
| "the processing was discontinued." | ||
| else: | ||
| message = msg | ||
|
|
||
| return rc, message | ||
|
|
||
| @staticmethod | ||
| def _is_status(value): | ||
| """Check whether input value is status value or not.""" | ||
| try: | ||
| if len(value) != 2: | ||
| return False | ||
|
|
||
| int(value, 16) | ||
| int(value[0], 16) | ||
| int(value[1], 16) | ||
|
|
||
| return True | ||
| except ValueError: | ||
| return False | ||
|
|
||
| @staticmethod | ||
| def _get_option(**option): | ||
| """Create option strings from dictionary.""" | ||
| ret = "" | ||
| for key, value in six.iteritems(option): | ||
| ret += " -%(key)s %(value)s" % {'key': key, 'value': value} | ||
| return ret | ||
|
|
||
| def _default_func(self, **option): | ||
| """Default function.""" | ||
| raise Exception(_("Invalid function is specified")) | ||
|
|
||
| def _check_user_role(self, **option): | ||
| """Check user role.""" | ||
| try: | ||
| output = self._exec_cli("show users", | ||
| StrictHostKeyChecking=False, | ||
| **option) | ||
| # Return error. | ||
| rc = output['rc'] | ||
| if rc != "0": | ||
| return output | ||
|
|
||
| userlist = output.get('message') | ||
| role = None | ||
| for userinfo in userlist: | ||
| username = userinfo.split('\t')[0] | ||
| if username == self.user: | ||
| role = userinfo.split('\t')[1] | ||
| break | ||
|
|
||
| output['message'] = role | ||
| except Exception as ex: | ||
| if 'show users' in six.text_type(ex): | ||
| msg = ("Specified user(%s) does not have Software role" | ||
| % self.user) | ||
| elif 'Error connecting' in six.text_type(ex): | ||
| msg = (six.text_type(ex)[34:] + | ||
| ', Please check fujitsu_private_key_path or .xml file') | ||
| else: | ||
| msg = six.text_type(ex) | ||
| output = { | ||
| 'result': 0, | ||
| 'rc': '4', | ||
| 'message': msg | ||
| } | ||
| return output | ||
|
|
||
| def _show_pool_provision(self, **option): | ||
| """Get TPP provision capacity information.""" | ||
| try: | ||
| output = self._exec_cli("show volumes", **option) | ||
|
|
||
| rc = output['rc'] | ||
|
|
||
| if rc != "0": | ||
| return output | ||
|
|
||
| clidatalist = output.get('message') | ||
|
|
||
| data = 0 | ||
| for clidataline in clidatalist[1:]: | ||
| clidata = clidataline.split('\t') | ||
| if clidata[0] == 'FFFF': | ||
| break | ||
| data += int(clidata[7], 16) | ||
| provision = data / 2097152 | ||
|
|
||
| output['message'] = provision | ||
| except Exception as ex: | ||
| output = { | ||
| 'result': 0, | ||
| 'rc': '4', | ||
| 'message': "show pool provision capacity error: %s" | ||
| % six.text_type(ex) | ||
| } | ||
|
|
||
| return output |
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