def _pacemaker_host_check():
    parser = argparse.ArgumentParser(
        description='Check amqp connection of an OpenStack service.')
    parser.add_argument('-r',
                        dest='pacemaker_resource',
                        help='pacemaker resource',
                        required=True)
    parser.add_argument('-s', dest='script', required=False, help='Script')
    parser.add_argument('--crm',
                        dest='crm',
                        required=False,
                        help='Use "crm_mon -1" instead of "pcs status"',
                        action='store_true',
                        default=False)
    options = parser.parse_args()

    if options.script and (not os.path.isfile(options.script)
                           or not os.access(options.script, os.X_OK)):
        utils.critical('the script %s could not be read' % options.script)

    local_hostname = subprocess.check_output(['hostname', '-s']).strip()
    try:
        if options.crm:
            output = subprocess.check_output(['crm_mon', '-1'])
        else:
            output = subprocess.check_output(['pcs', 'status'])
    except subprocess.CalledProcessError as e:
        utils.critical('pcs status with status %s: %s' % e.returncode,
                       e.output)
    except OSError:
        utils.critical('pcs not found')

    for line in re.sub("\n  +", " ", output).splitlines():
        line = " ".join(line.strip().split())  # Sanitize separator
        if not line:
            continue
        resource, remaining = line.split(None, 1)
        if resource == options.pacemaker_resource:
            agent, __, remaining = remaining.partition(' ')
            if ' ' in remaining:
                status, __, current_hostname = remaining.partition(' ')
            else:
                status, current_hostname = remaining, ''
            if status != "Started":
                utils.critical("pacemaker resource %s is not started (%s)" %
                               (resource, status))
            if current_hostname != local_hostname:
                utils.ok("pacemaker resource %s doesn't run on this node "
                         "(but on %s)" % (resource, current_hostname))
            _ok_run_script(options)
        elif resource == 'Clone':
            _check_resource_in_host(remaining, 'Started:', options,
                                    local_hostname)
        elif resource == 'Master/Slave':
            _check_resource_in_host(remaining, 'Masters:', options,
                                    local_hostname)

    else:
        utils.critical('pacemaker resource %s not found' %
                       options.pacemaker_resource)
Beispiel #2
0
 def excepthook(self, ex_type, value, tb):
     """ 
     Custom exception hook so that we can handle errors in a
     nicer way
     """
     where = ''.join(traceback.format_tb(tb))
     msg = '{}'.format(value)
     utils.critical(msg)
     
     def showError():
         html = """
             <html>
             <body bgcolor="#FFEDED">
             <p><b>{}</b></p>
             <p align="left"><small>{}</small></p>
             </body>
             </html>
         """.format(msg, where)
         self.errorreport.updateHTML(html)
     
     self.widget = self.iface.messageBar().createMessage("oops", "Looks like an error occurred", QIcon(":/icons/sad"))
     button = QPushButton(self.widget)
     button.setCheckable(True)
     button.setChecked(self.errorreport.isVisible())
     button.setText("Show error")
     button.toggled.connect(showError)
     button.toggled.connect(functools.partial(self.errorreport.setVisible))
     self.widget.destroyed.connect(self.hideReports)
     self.widget.layout().addWidget(button)
     self.messageBar.pushWidget(self.widget, QgsMessageBar.CRITICAL)
Beispiel #3
0
 def excepthook(self, ex_type, value, tb):
     """ 
     Custom exception hook so that we can handle errors in a
     nicer way
     """
     where = ''.join(traceback.format_tb(tb))
     msg = '{}'.format(value)
     utils.critical(msg)
     
     def showError():
         html = """
             <html>
             <body bgcolor="#FFEDED">
             <p><b>{}</b></p>
             <p align="left"><small>{}</small></p>
             </body>
             </html>
         """.format(msg, where)
         self.errorreport.updateHTML(html)
     
     self.widget = self.messageBar.createMessage("oops", "Looks like an error occurred", QIcon(":/icons/sad"))
     button = QPushButton(self.widget)
     button.setCheckable(True)
     button.setChecked(self.errorreport.isVisible())
     button.setText("Show error")
     button.toggled.connect(showError)
     button.toggled.connect(functools.partial(self.errorreport.setVisible))
     self.widget.destroyed.connect(self.hideReports)
     self.widget.layout().addWidget(button)
     self.messageBar.pushWidget(self.widget, QgsMessageBar.CRITICAL)
def _pacemaker_host_check():
    parser = argparse.ArgumentParser(
        description='Check amqp connection of an OpenStack service.')
    parser.add_argument('-r', dest='pacemaker_resource',
                        help='pacemaker resource', required=True)
    parser.add_argument('-s', dest='script', required=False,
                        help='Script')
    parser.add_argument('--crm', dest='crm', required=False,
                        help='Use "crm_mon -1" instead of "pcs status"',
                        action='store_true', default=False)
    options = parser.parse_args()

    if options.script and (not os.path.isfile(options.script)
                      or not os.access(options.script, os.X_OK)):
        utils.critical('the script %s could not be read' % options.script)

    local_hostname = subprocess.check_output(['hostname', '-s']).strip()
    try:
        if options.crm :
            output = subprocess.check_output(['crm_mon', '-1'])
        else:
            output = subprocess.check_output(['pcs', 'status'])
    except subprocess.CalledProcessError as e:
        utils.critical('pcs status with status %s: %s' %
                       e.returncode, e.output)
    except OSError:
        utils.critical('pcs not found')

    for line in re.sub("\n  +", " ", output).splitlines():
        line = " ".join(line.strip().split())  # Sanitize separator
        if not line:
            continue
        resource, remaining = line.split(None, 1)
        if resource == options.pacemaker_resource:
            agent, __, remaining = remaining.partition(' ')
            if ' ' in remaining:
                status, __, current_hostname = remaining.partition(' ')
            else:
                status, current_hostname = remaining, ''
            if status != "Started":
                utils.critical("pacemaker resource %s is not started (%s)" %
                               (resource, status))
            if current_hostname != local_hostname:
                utils.ok("pacemaker resource %s doesn't run on this node "
                         "(but on %s)" % (resource, current_hostname))
            _ok_run_script(options)
        elif resource == 'Clone' :
            _check_resource_in_host(remaining, 'Started:', options,
                                    local_hostname)
        elif resource == 'Master/Slave':
            _check_resource_in_host(remaining, 'Masters:', options,
                                    local_hostname)

    else:
        utils.critical('pacemaker resource %s not found' %
                       options.pacemaker_resource)
def _pacemaker_host_check():
    parser = argparse.ArgumentParser(description="Check amqp connection of an OpenStack service.")
    parser.add_argument("-r", dest="pacemaker_resource", help="pacemaker resource", required=True)
    parser.add_argument("-s", dest="script", required=True, help="Script")
    options = parser.parse_args()

    local_hostname = subprocess.check_output(["hostname", "-s"]).strip()

    try:
        output = subprocess.check_output(["pcs", "status"])
    except subprocess.CalledProcessError as e:
        utils.critical("pcs status with status %s: %s" % e.returncode, e.output)
    except OSError:
        utils.critical("pcs not found")
    for line in output.splitlines():
        line = " ".join(line.strip().split())  # Sanitize separator
        if not line:
            continue

        resource, remaining = line.split(None, 1)
        if resource == options.pacemaker_resource:
            agent, __, remaining = remaining.partition(" ")
            if " " in remaining:
                status, __, current_hostname = remaining.partition(" ")
            else:
                status, current_hostname = remaining, ""
            if status != "Started":
                utils.critical("pacemaker resource %s is not started (%s)" % (resource, status))
            if current_hostname != local_hostname:
                utils.ok("pacemaker resource %s doesn't on this node " "(but on %s)" % (resource, current_hostname))
            script = shlex.split(options.script)
            os.execvp(script[0], script)

    else:
        utils.critical("pacemaker resource %s not found" % options.pacemaker_resource)