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# Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; version 2 of the
# License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
# 02110-1301 USA
import os
import socket
import threading
import time
import Queue
import StringIO
import traceback
from workbench.utils import Version
from wb_admin_ssh import SSHDownException
from workbench.db_utils import MySQLConnection, MySQLError, QueryError, strip_password, escape_sql_string
from wb_common import OperationCancelledError, Users, PermissionDeniedError, InvalidPasswordError, SSHFingerprintNewError
from wb_server_control import PasswordHandler, ServerControlShell, ServerControlWMI
from wb_server_management import ServerManagementHelper, SSH, wbaOS
from workbench.notifications import nc
import grt
import mforms
from workbench.log import log_info, log_warning, log_error, log_debug
MYSQL_ERR_ACCESS_DENIED = 1045
MYSQL_ERR_PASSWORD_EXPIRED = 1820
MYSQL_ERR_OFFLINE_MODE = 3032
#===============================================================================
#
#===============================================================================
# Handling object should have corresponding method if the object wants to receive
# events. For event shutdown method name must be shutdown_event
class EventManager(object):
valid_events = ['server_offline_event', 'server_started_event', 'server_stopped_event', 'shutdown_event']
def __init__(self):
self.events = {}
self.defer = False
self.deferred_events = []
def add_event_handler(self, event_name, handler):
event_name += "_event"
if hasattr(handler, event_name):
handlers_list = None
if event_name in self.events:
handlers_list = self.events[event_name]
else:
handlers_list = []
self.events[event_name] = handlers_list
handlers_list.append(handler)
log_debug("Added " + handler.__class__.__name__ + " for event " + event_name + '\n')
else:
log_error(handler.__class__.__name__ + " does not have method " + event_name + '\n')
def defer_events(self):
self.defer = True
def continue_events(self):
self.defer = False
for ev_name in self.deferred_events:
self.event(ev_name)
self.deferred_events = []
def event(self, name):
if self.defer:
self.deferred_events.append(name)
return
name += "_event"
if name not in self.valid_events:
log_error('EventManager: invalid event: ' + name + '\n')
elif name in self.events:
log_debug("Found event " + name + " in list" + '\n')
for obj in self.events[name]:
if hasattr(obj, name):
log_debug("Passing event " + name + " to " + obj.__class__.__name__ + '\n')
getattr(obj, name)()
else:
log_debug("Found valid but unrequested event " + name + " in list" + '\n')
#===============================================================================
#import thread
class SQLQueryExecutor(object):
dbconn = None
mtx = None
def __init__(self, dbconn):
log_debug("Constructing SQL query runner, dbconn (" + repr(dbconn) + ')\n')
self.mtx = threading.Lock()
self.dbconn = dbconn
def is_connected(self):
return self.dbconn is not None and self.dbconn.is_connected
def close(self):
if self.is_connected():
self.mtx.acquire()
try:
if self.dbconn:
self.dbconn.disconnect()
finally:
self.mtx.release()
self.dbconn = None
def exec_query(self, query):
result = None
self.mtx.acquire()
try:
if self.is_connected():
log_debug("Executing query %s\n" % strip_password(query))
result = self.dbconn.executeQuery(query)
finally:
self.mtx.release()
return result
def exec_query_multi_result(self, query):
result = None
self.mtx.acquire()
try:
if self.is_connected():
log_debug("Executing query multi result %s\n" % strip_password(query))
result = self.dbconn.executeQueryMultiResult(query)
finally:
self.mtx.release()
return result
def execute(self, query):
result = None
self.mtx.acquire()
try:
if self.is_connected():
log_debug("Executing statement %s\n" % strip_password(query))
result = self.dbconn.execute(query)
finally:
self.mtx.release()
return result
def updateCount(self):
return self.dbconn.updateCount()
#===============================================================================
class WbAdminControl(object):
server_helper = None # Instance of ServerManagementHelper for doing file and process operations on target server
server_control = None # Instance of ServerControlBase to do start/stop/status of MySQL server
ssh = None
sql = None
worker_thread = None
target_version = None
raw_version = "unknown"
def __init__(self, server_profile, editor, connect_sql=True, test_only = False):
self.test_only = test_only
self.server_control = None
self.events = EventManager()
self.defer_events() # continue events should be called when all listeners are registered, that happens later in the caller code
# Until then events are piled in the queue
self.server_profile = server_profile
self.server_control_output_handler = None
self.task_queue = Queue.Queue(512)
self.sql_enabled = connect_sql
self.password_handler = PasswordHandler(server_profile)
self.server_active_plugins = set()
self.running = True
self.add_me_for_event("server_started", self)
self.add_me_for_event("server_stopped", self)
self.add_me_for_event("server_offline", self)
self.editor = editor
if editor:
if editor.isConnected == 1:
self.last_known_server_running_status = ("running", None) # (status, timestamp)
elif editor.isConnected == -1:
self.last_known_server_running_status = ("offline", None) # (status, timestamp)
else:
self.last_known_server_running_status = ("stopped", None) # (status, timestamp)
else:
self.last_known_server_running_status = ("unknown", None)
self.server_variables = {}
self.status_variables = {} # 1st time is updated by us and then in a fixed interval by the monitoring thread
self.status_variables_time = None
self.status_variable_poll_interval = 3
# Sets the default logging callback
self.log_cb = self.raw_log
def raw_log(self, data):
log_info(data + "\n")
@property
def admin_access_available(self):
return self.server_control is not None
def _confirm_server_fingerprint(self, host, port, fingerprint_exception):
msg = { 'msg': "The authenticity of host '%(0)s (%(0)s)' can't be established.\n%(1)s key fingerprint is %(2)s\nAre you sure you want to continue connecting?" % {'0': "%s:%s" % (host, port), '1': fingerprint_exception.key.get_name(), '2': fingerprint_exception.fingerprint}, 'obj': fingerprint_exception}
if mforms.Utilities.show_message("SSH Server Fingerprint Missing", msg['msg'], "Continue", "Cancel", "") == mforms.ResultOk:
msg['obj'].client._host_keys.add(msg['obj'].hostname, msg['obj'].key.get_name(), msg['obj'].key)
if msg['obj'].client._host_keys_filename is not None:
try:
if os.path.isdir(os.path.dirname(msg['obj'].client._host_keys_filename)) == False:
log_warning("Host_keys directory is missing, recreating it\n")
os.makedirs(os.path.dirname(msg['obj'].client._host_keys_filename))
if os.path.exists(msg['obj'].client._host_keys_filename) == False:
log_warning("Host_keys file is missing, recreating it\n")
open(msg['obj'].client._host_keys_filename, 'a').close()
msg['obj'].client.save_host_keys(msg['obj'].client._host_keys_filename)
log_warning("Successfully saved host_keys file.\n")
return True
except IOError, e:
error = str(e)
raise e
else:
return False
def acquire_admin_access(self):
"""Make sure we have access to the instance for admin (for config file, start/stop etc)"""
if self.server_control or not self.server_profile.admin_enabled:
return
if self.server_profile.uses_ssh:
try:
while True:
try:
self.ssh = SSH(self.server_profile, self.password_handler)
break
except SSHFingerprintNewError, exc:
if self._confirm_server_fingerprint(self.server_profile.ssh_hostname, self.server_profile.ssh_port, exc):
continue;
else:
raise OperationCancelledError("user cancel")
except OperationCancelledError:
self.ssh = None
raise OperationCancelledError("SSH connection cancelled")
except SSHDownException, e:
log_error("SSHDownException: %s\n" % traceback.format_exc())
self.ssh = None
if self.sql_enabled:
if mforms.Utilities.show_warning('SSH connection failed',
"Check your SSH connection settings and whether the SSH server is up.\nYou may continue anyway, but some functionality will be unavailable.\nError: %s" % e,
"Continue", "Cancel", "") != mforms.ResultOk:
raise OperationCancelledError("Could not connect to SSH server")
else:
mforms.Utilities.show_warning('SSH connection failed',
"Check your SSH connection settings and whether the SSH server is up.\nError: %s" % e, "OK", "", "")
else:
self.ssh = None
# init server management helper (for doing remote file operations, process management etc)
self.server_helper = ServerManagementHelper(self.server_profile, self.ssh)
if self.server_helper:
self.server_profile.expanded_config_file_path = self.server_helper.shell.expand_path_variables(self.server_profile.config_file_path)
self.query_server_installation_info()
# detect the exact type of OS we're managing
os_info = self.detect_operating_system_version()
if os_info:
os_type, os_name, os_variant, os_version = os_info
log_info("Target OS detection returned: os_type=%s, os_name=%s, os_variant=%s, os_version=%s\n" % (os_type, os_name, os_variant, os_version))
self.server_profile.set_os_version_info(os_type or "", os_name or "", os_variant or "", os_version or "")
else:
log_warning("Could not detect target OS details\n")
# init server control instance appropriate for what we're connecting to
if self.server_profile.uses_wmi:
self.server_control = ServerControlWMI(self.server_profile, self.server_helper, self.password_handler)
elif self.server_profile.uses_ssh or self.server_profile.is_local:
self.server_control = ServerControlShell(self.server_profile, self.server_helper, self.password_handler)
else:
log_error("""Unknown management method selected. Server Profile is possibly inconsistent
uses_ssh: %i uses_wmi: %i\n""" % (self.server_profile.uses_ssh, self.server_profile.uses_wmi))
raise Exception("Unknown management method selected. Server Profile is possibly inconsistent")
# Sets the default logging callback
if self.server_control:
self.log_cb = self.server_control.info
self.end_line = ""
def init(self):
# connect SQL
while self.sql_enabled:
try:
self.connect_sql()
break
except MySQLError, err:
log_error("Error connecting to MySQL: %s\n" % err)
if err.code == MYSQL_ERR_ACCESS_DENIED:
# Invalid password, request password
r = mforms.Utilities.show_error("Could not connect to MySQL Server at %s" % err.location,
"Could not connect to MySQL server: %s\nClick Continue to proceed without functionality that requires a DB connection." % err,
"Retry", "Cancel", "Continue")
if r == mforms.ResultOk:
continue
elif r == mforms.ResultCancel:
raise OperationCancelledError("Connection cancelled")
else:
# continue without a db connection
self.sql_enabled = False
elif err.code == MYSQL_ERR_PASSWORD_EXPIRED:
if not grt.modules.WbAdmin.handleExpiredPassword(self.server_profile.db_connection_params):
raise OperationCancelledError("Connection cancelled")
else:
self.sql_enabled = False
if not self.server_profile.admin_enabled: # We have neither sql connection nor management method
raise Exception('Could not connect to MySQL Server and no management method is available')
if not self.worker_thread and not self.test_only:
# start status variable check thread
self.worker_thread = threading.Thread(target=self.server_polling_thread)
self.worker_thread.start()
def shutdown(self):
self.events.event('shutdown')
self.running = False
self.disconnect_sql()
if self.ssh:
self.ssh.close()
#---------------------------------------------------------------------------
def force_check_server_state(self, verbose = False):
# Check the current state of the server and cause the SQL Editor to reconnect/update if the state
# changed. Returns None if no state change was detected or the new state if it did change.
old_state = self.last_known_server_running_status[0]
new_state = self.is_server_running(verbose=verbose, force_hard_check=True)
log_debug("Force check server state returned %s\n" % new_state)
if new_state != old_state:
info = { "state" : -1, "connection" : self.server_profile.db_connection_params }
if new_state == "running":
info['state'] = 1
elif new_state == "offline":
info['state'] = -1;
else:
info['state'] = 0;
# this will notify the rest of the App that the server state has changed, giving them a chance
# to reconnect or formally disconnect
nc.send("GRNServerStateChanged", self.editor, info)
if new_state == "stopped" or new_state == "offline":
self.server_variables = {}
self.status_variables_time = None
self.status_variables = {}
return new_state
return None
#---------------------------------------------------------------------------
def is_server_running(self, verbose = 0, force_hard_check = False):
# Check recent information from query runs. If last query (not older than 4 secs)
# was performed successfully, then we imply that server is up.
ret = "unknown"
status, stime = self.last_known_server_running_status
if not force_hard_check:
ret = status
else:
self.log_cb("Checking server status...")
if self.is_sql_connected():
# do a ping on the connection to make sure it's still up
if self.sql_ping():
self.log_cb("MySQL server is currently running")
self.query_server_info() #query_server_info do update server status
status, stime = self.last_known_server_running_status
ret = status
if ret not in ("running", "offline"):
self.log_cb("Trying to connect to MySQL...")
conn = grt.modules.DbMySQLQuery.openConnection(self.server_profile.db_connection_params)
code = grt.modules.DbMySQLQuery.lastErrorCode()
err = grt.modules.DbMySQLQuery.lastError()
if conn > 0:
grt.modules.DbMySQLQuery.closeConnection(conn)
if code == 0:
self.log_cb("Connection succeeded")
else:
self.log_cb("%s (%i)" % (err, code))
if code in (2002, 2003, 2013):
ret = "stopped"
self.log_cb("Assuming server is not running")
elif code == MYSQL_ERR_OFFLINE_MODE:
ret = "offline"
self.log_cb("Server is in offline mode")
else:
self.query_server_info()
ret = "running"
self.log_cb("Assuming server is running")
return ret
#---------------------------------------------------------------------------
def uitask(self, task, *args):
self.task_queue.put((task, args))
#---------------------------------------------------------------------------
def process_ui_task_queue(self):
while not self.task_queue.empty():
func, args = self.task_queue.get()
func(*args)
self.task_queue.task_done()
"""
Adds object for event named @event. In order for object to handle event
it needs to conform to some requirements. For example if there is a need for
some object to handle an event named 'server_started', the object's class must
have method named server_started_event. Valid event names can be found in
EventManager class.
param event: name of the event, for example 'server_started'
param obj: object which method named <event_name>_event will be called
"""
def add_me_for_event(self, event, obj):
self.events.add_event_handler(event, obj)
#---------------------------------------------------------------------------
"""
Tells to notify all listener objects that event occured.
"""
def event(self, name):
self.events.event(name)
def event_from_main(self, event_name):
self.uitask(self.event, event_name)
#---------------------------------------------------------------------------
"""
This method should not be used outside of MyCtrl. The aim of the method to
queue coming events for later processing. This is used when events start tp
appear at load stage, but all listeners may not be registered yet.
"""
def defer_events(self):
self.events.defer_events()
#---------------------------------------------------------------------------
"""
This method should not be used outside of MyCtrl. It indicate that deferred
events can be delivered to listeners and resumes normal events flow processing.
"""
def continue_events(self):
self.events.continue_events()
def expand_path_variables(self, path):
ret = path
if self.server_helper:
ret = self.server_helper.shell.expand_path_variables(self.server_profile.config_file_path)
return ret
#---------------------------------------------------------------------------
def server_started_event(self):
try:
if not self.is_sql_connected():
self.connect_sql()
except Exception, e:
log_error("Error connecting to MySQL: %s\n" % e)
mforms.Utilities.show_error("Connect Error", "Could not connect to MySQL: %s" % e, "OK", "", "")
if not self.worker_thread.is_alive() and not self.test_only:
# start status variable check thread
self.worker_thread = threading.Thread(target=self.server_polling_thread)
self.worker_thread.start()
#---------------------------------------------------------------------------
def server_stopped_event(self):
self.disconnect_sql()
self.last_known_server_running_status = ("stopped", time.time())
#---------------------------------------------------------------------------
def server_offline_event(self):
self.last_known_server_running_status = ("offline", time.time())
#---------------------------------------------------------------------------
"""
This method is passed to MySQLConnection.__init__. MySQLConnection will call
this method when connection created/destroyed, also on success or error when
executing query
"""
def sql_status_callback(self, code, error, connect_info):
if code == 0:
if "offline_mode" in self.server_variables and self.server_variables["offline_mode"] == "ON":
self.last_known_server_running_status = ("offline", time.time())
else:
self.last_known_server_running_status = ("running", time.time())
#---------------------------------------------------------------------------
def connect_sql(self): # from GUI thread only, throws MySQLError
if not self.is_sql_connected():
password = self.get_mysql_password()
connection = MySQLConnection(self.server_profile.db_connection_params, self.sql_status_callback,
password=password)
try:
connection.connect()
except grt.UserInterrupt:
log_info("Cancelled connection\n")
return
self.sql = SQLQueryExecutor(connection)
if self.is_sql_connected():
# perform some server capabilities checking
self.query_server_info()
else:
log_error("Failed to connect to MySQL server\n")
else:
log_info("Already connected to MySQL server\n")
#---------------------------------------------------------------------------
def disconnect_sql(self):
if self.sql:
self.sql.close()
self.sql = None
self.raw_version = None
self.target_version = None
self.server_version = "unknown"
mforms.Utilities.driver_shutdown()
#---------------------------------------------------------------------------
def is_sql_connected(self):
return self.sql and self.sql.is_connected()
#---------------------------------------------------------------------------
def server_polling_thread(self):
try:
password = self.get_mysql_password()
self.poll_connection = MySQLConnection(self.server_profile.db_connection_params, password=password)
self.poll_connection.connect()
except MySQLError, err:
log_error("Error creating SQL connection for monitoring: %r\n" % err)
self.poll_connection = None
mforms.Utilities.driver_shutdown()
return None
log_info("Monitoring thread running...\n")
time.sleep(self.status_variable_poll_interval)
try:
# runs in a separate thread to fetch status variables
while self.running:
variables = {}
result = self.poll_connection.executeQuery("SHOW GLOBAL STATUS")
while result and result.nextRow():
variables[result.stringByName("Variable_name")] = result.stringByName("Value")
self.status_variables, self.status_variables_time = variables, time.time()
time.sleep(self.status_variable_poll_interval)
except QueryError:
log_error("Error in monitoring thread: %s\n" % traceback.format_exc())
log_info("Monitoring thread done.\n")
self.poll_connection.disconnect()
self.poll_connection = None
mforms.Utilities.driver_shutdown()
#---------------------------------------------------------------------------
def get_mysql_password(self):
found, password = mforms.Utilities.find_cached_password(self.server_profile.db_connection_params.hostIdentifier, self.server_profile.mysql_username)
if found:
return password
return None
#---------------------------------------------------------------------------
def sql_ping(self):
ret = False
if self.is_sql_connected():
try:
self.sql.exec_query("select 1")
ret = True
except QueryError, e:
if not e.is_connection_error():
ret = True # Any other error except connection ones is from server
else:
try:
self.connect_sql()
except MySQLError, e:
pass # ignore connection errors, since it likely means the server is down
# Do not do anything for now, connection status check will be perfomed
# on the next sql_ping call
return ret
#---------------------------------------------------------------------------
def exec_query(self, q, auto_reconnect=True):
ret = None
if self.sql is not None:
try:
ret = self.sql.exec_query(q)
except QueryError, e:
log_warning("Error executing query %s: %s\n"%(q, strip_password(str(e))))
if auto_reconnect and e.is_connection_error():
log_warning("exec_query: Loss of connection to mysql server was detected.\n")
self.handle_sql_disconnection(e)
else: # if exception is not handled, give a chance to the caller do it
raise e
else:
log_info("sql connection is down\n")
return ret
def exec_query_multi_result(self, q, auto_reconnect=True):
ret = None
if self.sql is not None:
try:
ret = self.sql.exec_query_multi_result(q)
except QueryError, e:
log_warning("Error executing query multi result %s: %s\n"%(q, strip_password(str(e))))
if auto_reconnect and e.is_connection_error():
log_warning("exec_query_multi_result: Loss of connection to mysql server was detected.\n")
self.handle_sql_disconnection(e)
else: # if exception is not handled, give a chance to the caller do it
raise e
else:
log_info("sql connection is down\n")
return ret
def exec_sql(self, q, auto_reconnect=True):
if self.sql is not None:
try:
ret = self.sql.execute(q)
cnt = self.sql.updateCount()
return ret, cnt
except QueryError, e:
log_warning("Error executing SQL %s: %s\n"%(strip_password(q), strip_password(str(e))))
if auto_reconnect and e.is_connection_error():
log_warning("exec_sql: Loss of connection to mysql server was detected.\n")
self.handle_sql_disconnection(e)
else:
raise e
else:
log_info("sql connection is down\n")
return None, -1
def handle_sql_disconnection(self, e):
self.disconnect_sql()
if e.is_error_recoverable():
log_warning("Error is recoverable. Reconnecting to MySQL server.\n")
try:
self.connect_sql()
if self.is_sql_connected():
return True
except MySQLError, er:
log_warning("Auto-reconnection failed: %s\n" % er)
return False
return False
#---------------------------------------------------------------------------
def get_server_variable(self, variable, default = None):
return self.server_variables.get(variable, default)
#---------------------------------------------------------------------------
def open_ssh_session_for_monitoring(self):
ssh = SSH(self.server_profile, self.password_handler)
return ssh
#---------------------------------------------------------------------------
def is_ssh_connected(self):
return self.ssh is not None
#---------------------------------------------------------------------------
def query_server_info(self):
self.server_variables = {}
result = self.exec_query("SHOW VARIABLES")
if not result:
# Didn't get the server variables. Assuming the server is stopped
self.last_known_server_running_status = ("stopped", time.time())
return
while result and result.nextRow():
self.server_variables[result.stringByName("Variable_name")] = result.stringByName("Value")
self.status_variables_time = time.time()
self.status_variables = {}
result = self.exec_query("SHOW GLOBAL STATUS")
while result and result.nextRow():
self.status_variables[result.stringByName("Variable_name")] = result.stringByName("Value")
# check version
if self.server_variables:
self.raw_version = self.server_variables["version"]
self.target_version = Version.fromstr(self.raw_version)
if self.server_profile.server_version != self.raw_version: # Update profile version with live data from server
log_info('%s.connect_sql(): The server version stored in the server instance profile was "%s". '
'Changed to the version reported by the server: "%s"\n' % (self.__class__.__name__,
self.server_profile.server_version, self.raw_version) )
self.server_profile.server_version = self.raw_version
if self.target_version and self.target_version.is_supported_mysql_version_at_least(5, 1, 5):
# The command to retrieve plugins was 'SHOW PLUGIN' for v. [5.1.5, 5.1.9)
# and was changed to 'SHOW PLUGINS' from MySQL Server v. 5.1.9 onwards:
plugin_var = 'PLUGINS' if self.target_version.is_supported_mysql_version_at_least(5, 1, 9) else 'PLUGIN'
result = self.exec_query('SHOW %s' % plugin_var)
# check whether Windows authentication plugin is available
while result and result.nextRow():
name = result.stringByName("Name")
status = result.stringByName("Status")
plugin_type = result.stringByName("Type")
if status == "ACTIVE":
self.server_active_plugins.add((name, plugin_type))
if "offline_mode" in self.server_variables and self.server_variables["offline_mode"] == "ON":
#We're in offline mode, need to change server status
self.last_known_server_running_status = ("offline", time.time())
else:
self.last_known_server_running_status = ("running", time.time())
def query_server_installation_info(self):
normpath = self.server_profile.path_module.normpath
def get_config_options():
if self.server_profile.config_file_path and self.server_helper:
try:
cfg_file = StringIO.StringIO(self.server_helper.get_file_content(self.server_profile.config_file_path))
except PermissionDeniedError:
log_debug('Could not open the file "%s" as the current user. Trying as admin\n' % self.server_profile.config_file_path)
while True:
try:
password = self.password_handler.get_password_for('file')
cfg_file = StringIO.StringIO(self.server_helper.get_file_content(self.server_profile.config_file_path,
as_user=Users.ADMIN, user_password = password))
break
except InvalidPasswordError:
self.password_handler.reset_password_for('file')
except Exception, err:
log_error('Could not open the file "%s": %s\n' % (self.server_profile.config_file_path, str(err)))
return {}
except Exception, err:
log_error('Could not open the file "%s": %s\n' % (self.server_profile.config_file_path, str(err)))
return {}
opts = {}
section = 'root'
for line in cfg_file:
line = line.strip()
if line == '' or line.startswith('#'):
continue
elif line.startswith('[') and line.endswith(']'):
section = line[1:-1].strip()
else:
k, d, v = line.partition('=')
val = v.strip() or 'ON'
opts.setdefault(section, {})[k.strip()] = val
return opts
return {}
opts = get_config_options()
config_section = self.server_profile.config_file_section or 'mysqld'
request_save_profile = False
if self.server_variables:
hostname = self.server_variables.get('hostname', '')
if not hostname and self.server_profile.is_local:
hostname = socket.gethostname()
datadir = self.server_variables.get('datadir', '')
if datadir and self.server_profile.datadir != datadir:
self.server_profile.datadir = datadir
request_save_profile = True
basedir = self.server_variables.get('basedir', '')
if basedir and self.server_profile.basedir != basedir:
self.server_profile.basedir = basedir
request_save_profile = True
try:
general_log_enabled = self.server_variables.get('general_log') in ('ON', '1')
if self.server_profile.general_log_enabled != general_log_enabled:
self.server_profile.general_log_enabled = general_log_enabled
request_save_profile = True
except ValueError:
pass
try:
if self.target_version and self.target_version.is_supported_mysql_version_at_least(5, 1, 29):
slow_query_var = 'slow_query_log'
else:
slow_query_var = 'log_slow_queries'
slow_log_enabled = self.server_variables.get(slow_query_var) in ('ON', '1')
if self.server_profile.slow_log_enabled != slow_log_enabled:
self.server_profile.slow_log_enabled = slow_log_enabled
request_save_profile = True
except ValueError:
pass
if not self.target_version or not self.target_version.is_supported_mysql_version_at_least(5, 1, 29):
general_log_file_path = opts[config_section].get('log', '').strip(' "') if opts.has_key(config_section) else ''
general_log_file_path = normpath(general_log_file_path) if general_log_file_path else ''
if general_log_file_path and self.server_profile.general_log_file_path != general_log_file_path:
self.server_profile.general_log_file_path = general_log_file_path or os.path.join(self.server_profile.datadir, hostname + '.log')
request_save_profile = True
slow_query_log_file = opts[config_section].get('log-slow-queries', '').strip(' "') if opts.has_key(config_section) else ''
slow_query_log_file = normpath(slow_query_log_file) if slow_query_log_file else ''
if slow_query_log_file and self.server_profile.slow_log_file_path != slow_query_log_file:
self.server_profile.slow_log_file_path = slow_query_log_file or os.path.join(self.server_profile.datadir, hostname + '.slow')
request_save_profile = True
error_log_file_path = opts[config_section].get('log-error', '').strip(' "') if opts.has_key(config_section) else ''
error_log_file_path = normpath(error_log_file_path) if error_log_file_path else ''
if error_log_file_path and self.server_profile.error_log_file_path != error_log_file_path:
self.server_profile.error_log_file_path = error_log_file_path or os.path.join(self.server_profile.datadir, hostname + '.err')
request_save_profile = True
else:
if self.server_variables:
path = self.server_variables.get('general_log_file')
general_log_file_path = normpath(path) if path and path != '0' else ''
if self.server_profile.general_log_file_path != general_log_file_path:
self.server_profile.general_log_file_path = general_log_file_path
request_save_profile = True
path = self.server_variables.get('slow_query_log_file')
slow_query_log_file_path = normpath(path) if path and path != '0' else ''
if self.server_profile.slow_log_file_path != slow_query_log_file_path:
self.server_profile.slow_log_file_path = slow_query_log_file_path
request_save_profile = True
path = self.server_variables.get('log_error')
log_error_path = normpath(path) if path and path != '0' else ''
if self.server_profile.error_log_file_path != log_error_path:
self.server_profile.error_log_file_path = log_error_path
request_save_profile = True
log_info("Currently connected to MySQL server version " + repr(self.raw_version) +
", conn status = " + repr(self.is_sql_connected()) +
", active plugins = " + str([x[0] for x in self.server_active_plugins]) + '\n')
# Save the server profile if at least one of its values has changed:
if request_save_profile:
from grt.modules import Workbench
Workbench.saveInstances()
#---------------------------------------------------------------------------
def detect_operating_system_version(self):
"""Try to detect OS information in the remote server, via SSH connection.
The information returned is (os_type, os_name, os_variant, os_version)
os_type: one of the main types of OS supported (one of wbaOS.windows, wbaOS.linux, wbaOS.darwin)
os_name: the exact name of the OS (eg Windows, Linux, Mac OS X, Solaris)
os_variant: the variant of the OS, esp for Linux distributions (eg Ubuntu, Fedora etc)
os_version: the version of the OS (eg 12.04, XP etc)
"""
if self.ssh or self.server_profile.is_local:
o = StringIO.StringIO()
# check if windows
rc = self.server_helper.execute_command('ver', output_handler=o.write)
if rc == 0 and o.getvalue().strip().startswith("Microsoft Windows"):
os_type = wbaOS.windows
os_name = "Windows"
os_variant = "Windows"
os_version = o.getvalue().strip()
o = StringIO.StringIO()
rc = self.server_helper.execute_command('reg query "HKLM\Software\Microsoft\Windows NT\CurrentVersion" /v "ProductName"', output_handler=o.write)
if rc == 0:
os_name = " ".join(o.getvalue().strip().split("\n")[-1].split()[2:])
return os_type, os_name, os_variant, os_version
else:
os_type, os_name, os_variant, os_version = (None, None, None, None)
o = StringIO.StringIO()
if self.server_helper.execute_command("uname", output_handler=o.write) == 0:
ostype = o.getvalue().strip()
log_debug("uname in remote system returned %s\n"%ostype)
if ostype == "Darwin":
os_type = wbaOS.darwin
o = StringIO.StringIO()
if self.server_helper.execute_command("sw_vers", output_handler=o.write) == 0:
for line in o.getvalue().strip().split("\n"):
line = line.strip()
if line:
k, v = line.split(":", 1)
if k == "ProductName":
os_name = v.strip()
os_variant = v.strip()
elif k == "ProductVersion":
os_version = v.strip()
else:
os_type = wbaOS.linux
o = StringIO.StringIO()
if self.server_helper.execute_command("lsb_release -a", output_handler=o.write) == 0:
os_name = "Linux"
for line in o.getvalue().strip().split("\n"):
line = line.strip()
if line:
k, sep, v = line.partition(":")
if k == "Distributor ID":
os_variant = v.strip()
elif k == "Release":
os_version = v.strip()
else:
log_warning("lsb_release utility not found in target server. Consider installing its package if possible\n")
# some distros don't install lsb things by default
try:
info = self.server_helper.get_file_content("/etc/fedora-release")
if info:
os_name = "Linux"
os_variant = "Fedora"
os_version = info[info.find("release")+1:].split()[0].strip()
except (IOError, OSError):
pass
try:
info = self.server_helper.get_file_content("/etc/debian_version")
if info:
os_name = "Linux"
os_variant = "Debian"
os_version = info.strip()
except (IOError, OSError):
pass
try:
info = self.server_helper.get_file_content("/etc/oracle-release")
if info:
os_name = "Linux"
os_variant = "Oracle Linux"
os_version = info[info.find("release")+1:].split()[0].strip()
except (IOError, OSError):
pass
return os_type, os_name, os_variant, os_version
else:
log_error("Could not execute uname command on remote server, system type is unknown\n")
return None