/usr/lib/mysql-workbench/modules/wb_admin_configuration_startup.py is in mysql-workbench 5.2.38+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# 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
from mforms import newButton, newPanel, newLabel, newBox, newCheckBox, newTable, newTextBox, newImageBox, Utilities
import mforms
from wb_common import dprint_ex
import datetime
from wb_admin_utils import no_remote_admin_warning_label
from wb_log_reader import ErrorLogFileReader
class WbAdminConfigurationStartup(mforms.Box):
long_status_msg = None
short_status_msg = None
start_stop_btn = None
startup_msgs_log = None
is_server_running_prev_check = None
copy_to_clipboard_button = None
clear_messages_button = None
ui_created = False
#---------------------------------------------------------------------------
def print_output(self, text):
ts = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S - ")
self.startup_msgs_log.append_text_with_encoding(ts + text + "\n", self.ctrl_be.server_helper.cmd_output_encoding)
#---------------------------------------------------------------------------
def __init__(self, ctrl_be, server_profile, main_view):
mforms.Box.__init__(self, False)
self.main_view = main_view
self.ctrl_be = ctrl_be
self.server_profile = server_profile
self.main_view.add_content_page(self, "MANAGEMENT", "Startup / Shutdown", "admin_start_stop_win")
#---------------------------------------------------------------------------
@property
def server_profile(self):
return self.ctrl_be.server_profile
#---------------------------------------------------------------------------
@property
def server_control(self):
return self.ctrl_be.server_control
#---------------------------------------------------------------------------
def create_ui(self):
self.suspend_layout()
if not self.server_profile.admin_enabled:
self.add(no_remote_admin_warning_label(self.server_profile), False, True)
self.resume_layout()
return
self.main_view.ui_profile.apply_style(self, 'page')
self.set_padding(8) # TODO check padding
# Top layout structure.
content = newBox(False)
self.add(content, True, True)
# A spacer at the bottom of the page.
spacer = newBox(True)
spacer.set_size(-1, 40)
self.add(spacer, False, True)
# Left pane (start/stop).
heading = newLabel("Database Server Status")
heading.set_style(mforms.BoldStyle)
content.add(heading, False, True)
left_pane = newBox(False)
left_pane.set_spacing(8)
self.long_status_msg = newLabel("The database server is stopped")
self.long_status_msg.set_style(mforms.SmallStyle)
status_message_part = newLabel("The database server instance is ")
self.short_status_msg = newLabel("...")
self.short_status_msg.set_color("#DD0000")
self.start_stop_btn = newButton()
self.start_stop_btn.set_text("Start server")
self.start_stop_btn.add_clicked_callback(self.start_stop_clicked)
start_stop_hbox = newBox(True)
start_stop_hbox.add(status_message_part, False, True)
start_stop_hbox.add(self.short_status_msg, False, True)
start_stop_hbox.add(newLabel(" "), False, False)
start_stop_hbox.add(self.start_stop_btn, False, False)
left_pane.add(self.long_status_msg, False, True)
left_pane.add(start_stop_hbox, False, False)
description = newLabel("If you stop the server, you and your applications will not be able to use the Database and all current connections will be closed\n")
description.set_style(mforms.SmallStyle)
left_pane.add(description, False, False)
auto_start_checkbox = newCheckBox()
auto_start_checkbox.set_text("Automatically Start Database Server on Startup")
auto_start_checkbox.set_active(True)
description = newLabel("You may select to have the Database server start automatically whenever the computer starts up.")
description.set_style(mforms.SmallStyle)
description.set_wrap_text(True)
content.add(left_pane, False, True)
# Right pane (log).
heading = newLabel("Startup Message Log")
heading.set_style(mforms.BoldStyle)
content.add(heading, False, True)
right_pane = newBox(False)
right_pane.set_spacing(8)
self.startup_msgs_log = newTextBox(mforms.BothScrollBars)
self.startup_msgs_log.set_read_only(True)
right_pane.add(self.startup_msgs_log, True, True)
button_box = newBox(True)
self.refresh_button = newButton()
self.refresh_button.set_text("Refresh Status")
self.refresh_button.add_clicked_callback(lambda:self.refresh(2))
button_box.add(self.refresh_button, False, False)
self.copy_to_clipboard_button = newButton()
self.copy_to_clipboard_button.set_size(150, -1)
self.copy_to_clipboard_button.set_text("Copy to Clipboard")
self.copy_to_clipboard_button.add_clicked_callback(self.copy_to_clipboard)
button_box.add_end(self.copy_to_clipboard_button, False, False)
self.clear_messages_button = newButton()
self.clear_messages_button.set_size(150, -1)
self.clear_messages_button.set_text("Clear Messages")
self.clear_messages_button.add_clicked_callback(self.clear_messages)
button_box.add_end(self.clear_messages_button, False, False)
right_pane.add(button_box, False, True)
content.add(right_pane, True, True)
self.resume_layout()
self.ctrl_be.add_me_for_event("server_started", self)
self.ctrl_be.add_me_for_event("server_stopped", self)
#---------------------------------------------------------------------------
def page_activated(self):
self.main_view.set_content_label(" Startup / Shutdown")
if not self.ui_created:
self.create_ui()
self.ui_created = True
if self.server_control:
self.server_control.set_output_handler(self.print_output)
self.refresh()
#---------------------------------------------------------------------------
def server_started_event(self):
dprint_ex(2, "Handling server start event in start/stop page")
self.ctrl_be.uitask(self.update_ui, "running")
#---------------------------------------------------------------------------
def server_stopped_event(self):
dprint_ex(2, "Handling server stop event in start/stop page")
self.ctrl_be.uitask(self.update_ui, "stopped")
#---------------------------------------------------------------------------
def update_ui(self, server_status):
dprint_ex(3, "server_status on enter is %s" % str(server_status))
if not self.server_profile.admin_enabled:
return
self.is_server_running_prev_check = server_status
if server_status in ("running", "starting"):
if server_status == "starting":
self.long_status_msg.set_text("The database server is starting...")
self.start_stop_btn.set_enabled(False)
self.short_status_msg.set_color("#DDCC00")
else:
self.start_stop_btn.set_enabled(True)
self.short_status_msg.set_color("#00DD00")
self.long_status_msg.set_text("The database server is started and ready for client connections. To shut the Server down, use the \"Stop Server\" button")
self.short_status_msg.set_text(server_status)
self.start_stop_btn.set_text("Stop Server")
elif server_status in ("stopped", "stopping"):
if server_status == "stopping":
self.long_status_msg.set_text("The database server is stopping...")
self.start_stop_btn.set_enabled(False)
self.short_status_msg.set_color("#DDCC00")
else:
self.start_stop_btn.set_enabled(True)
self.short_status_msg.set_color("#DD0000")
self.long_status_msg.set_text("The database server is stopped. To start the Server, use the \"Start Server\" button")
self.short_status_msg.set_text(server_status)
self.start_stop_btn.set_text("Start Server")
else:
self.long_status_msg.set_text("The state of the database server could not be determined, please verify server profile settings.")
self.short_status_msg.set_text("unknown")
self.short_status_msg.set_color("#FF0000")
self.start_stop_btn.set_text("Start Server")
self.start_stop_btn.set_enabled(False)
dprint_ex(3, "Leave")
#---------------------------------------------------------------------------
def start_error_log_tracking(self):
if self.ctrl_be.server_profile.error_log_file_path:
try:
self.error_log_reader = ErrorLogFileReader(self.ctrl_be, self.server_profile.error_log_file_path)
except:
pass
#---------------------------------------------------------------------------
def print_new_error_log_entries(self):
if hasattr(self, 'error_log_reader'):
end = self.error_log_reader.file_size
self.error_log_reader.refresh()
self.error_log_reader.chunk_start = end
self.error_log_reader.chunk_end = self.error_log_reader.file_size
records = self.error_log_reader.current()
if records:
self.startup_msgs_log.append_text_with_encoding('\nFROM %s:\n' % self.server_profile.error_log_file_path,
self.ctrl_be.server_helper.cmd_output_encoding)
self.startup_msgs_log.append_text_with_encoding('\n'.join( [4*' ' + timestamp + ' ' + details.strip() for timestamp, details in records]) + '\n',
self.ctrl_be.server_helper.cmd_output_encoding)
#---------------------------------------------------------------------------
def start_stop_clicked(self):
self.start_error_log_tracking()
status = self.ctrl_be.is_server_running(verbose=1)
# Check if server was started/stoped from outside
if self.is_server_running_prev_check == status:
if status == "running":
self.start_stop_btn.set_enabled(False)
self.refresh_button.set_enabled(False)
try:
if self.server_control and not self.server_control.stop_async(self.async_stop_callback):
self.start_stop_btn.set_enabled(True)
self.refresh_button.set_enabled(True)
return
except Exception, exc:
self.start_stop_btn.set_enabled(True)
self.refresh_button.set_enabled(True)
Utilities.show_error("Stop Server",
"An error occurred while attempting to stop the server.%s %s\n" % (type(exc).__name__, exc),
"OK", "", "")
return
elif status == "stopped":
self.start_stop_btn.set_enabled(False)
self.refresh_button.set_enabled(False)
try:
if self.server_control and not self.server_control.start_async(self.async_start_callback):
self.start_stop_btn.set_enabled(True)
self.refresh_button.set_enabled(True)
return
except Exception, exc:
self.start_stop_btn.set_enabled(True)
self.refresh_button.set_enabled(True)
Utilities.show_error("Stop Server",
"An error occurred while attempting to stop the server.%s %s\n" % (type(exc).__name__, exc),
"OK", "", "")
return
elif status == "stopping":
self.print_output("Server is stopping, please wait...")
elif status == "starting":
self.print_output("Server is starting, please wait...")
else:
self.print_output("Unable to detect server status.")
self.refresh()
#---------------------------------------------------------------------------
def async_stop_callback(self, status):
self.ctrl_be.uitask(self.async_stop_finished, status)
#---------------------------------------------------------------------------
def async_stop_finished(self, status): # status can be one of success, bad_password or error message
if status == "success":
self.print_output("Server stop done.")
elif status == "bad_password":
r = Utilities.show_error("Stop Server",
"A permission error occurred while attempting to stop the server.\n"
"Administrator password was possibly wrong.",
"Retry", "Cancel", "")
if r == mforms.ResultOk:
pass
else:
self.print_output("Could not stop server. Permission denied")
else:
self.print_output("Could not stop server: %s" % (status or "unknown error"))
Utilities.show_error("Could not stop server", str(status), "OK", "", "")
self.refresh()
self.refresh_button.set_enabled(True)
self.start_stop_btn.set_enabled(True)
self.print_new_error_log_entries()
#---------------------------------------------------------------------------
def async_start_callback(self, status):
self.ctrl_be.uitask(self.async_start_finished, status)
#---------------------------------------------------------------------------
def async_start_finished(self, status):
if status == "success":
self.print_output("Server start done.")
elif status == "bad_password":
r = Utilities.show_error("Start Server",
"A permission error occurred while attempting to start the server.\n"
"Administrator password was possibly wrong.",
"Retry", "Cancel", "")
if r == mforms.ResultOk:
pass
else:
self.print_output("Could not stop server. Permission denied")
else:
self.print_output("Could not start server: %s" % (status or "unknown error"))
Utilities.show_error("Could not start server", str(status), "OK", "", "")
self.refresh()
self.refresh_button.set_enabled(True)
self.start_stop_btn.set_enabled(True)
self.print_new_error_log_entries()
#---------------------------------------------------------------------------
def refresh(self, verbose=1):
self.is_server_running_prev_check = self.ctrl_be.is_server_running(verbose=verbose, force_process_check=True)
self.update_ui(self.is_server_running_prev_check)
#---------------------------------------------------------------------------
def copy_to_clipboard(self):
Utilities.set_clipboard_text(self.startup_msgs_log.get_string_value())
#---------------------------------------------------------------------------
def clear_messages(self):
self.startup_msgs_log.clear()
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