Exemplo n.º 1
0
 def generate_adds(self) -> None:
     start_ts, days_number = self.start_ts, self.days
     with open(os.path.join(self.path, 'additional_contingent.dat'), 'w') as fd:
         adds_number = random.randint(13, 27)
         for _ in range(adds_number):
             adds_type = random.choice(('boost', 'data', 'data', 'data'))
             adds_router = random.choice(self.routers)
             if adds_router == self.config['test_router']:
                 self.config['test_router_adds'] = 1 + cast(int, self.config['test_router_adds'])
             adds_start_offset = random.randint(int((start_ts - timedelta(days = days_number)).timestamp()),
                                                int((start_ts + timedelta(hours = 13)).timestamp()))
             tmp = datetime.fromtimestamp(adds_start_offset)
             adds_start = datetime(tmp.year, tmp.month, tmp.day, tmp.hour, tmp.minute)
             if adds_type == 'boost':
                 adds_hours = random.randint(3, 17)
                 self.adds.append(p.AddsEntry(adds_start, adds_type, adds_router, None, timedelta(hours = adds_hours)))
                 fd.write('{} boost {} {}h\n'.format(adds_start.strftime('%Y-%m-%d %H:%M'),
                                                     adds_router, adds_hours))
             elif adds_type == 'data':
                 adds_host = random.choice(self.hosts)
                 adds_amount = units2bytes(bytes2units(random.randint(1*MiB, 30*GiB)))
                 self.adds.append(p.AddsEntry(adds_start, adds_type, adds_router, adds_host, adds_amount))
                 fd.write('{} data {} {} {}\n'.format(adds_start.strftime('%Y-%m-%d %H:%M'),
                                                      adds_router, adds_host,
                                                      bytes2units(adds_amount)))
Exemplo n.º 2
0
 def hosts_usage(self) -> None:
     print('<div class="midblock"><h1>HOSTS</h1><table><tr><th>&nbsp;</th>',
           file=self._output_stream)
     for limit in self._limit_names:
         print('<th class="tright">%s</th>' % limit,
               end=' ',
               file=self._output_stream)
     print("</tr>", file=self._output_stream)
     for account in sorted(self._accounts, key=lambda x: x.short):
         for host in sorted(account.hosts, key=lambda x: x.name):
             print('<tr class="tright"><th class="tright user%s" title="rest %s">%s</th>' \
                   % (account.short, bytes2units(self._rest_adds.get(host.name, 0)),
                      "%s/%s" % (host.name, account.short)),
                   end = ' ', file = self._output_stream)
             for limit_name in self._limit_names:
                 if limit_name not in self._host_usage \
                    or host not in self._host_usage[limit_name]:
                     usage = p.Usage(account.short)
                 else:
                     usage = self._host_usage[limit_name][host]
                 print('<td class="tright" title="%s / %s / %s">%s</td>' % \
                       (bytes2units(usage.inp), bytes2units(usage.out), bytes2units(usage.dat),
                        bytes2units(usage.inp + usage.out, '&nbsp;')),
                       file = self._output_stream)
             print("</tr>", file=self._output_stream)
     print("</table></div>", file=self._output_stream)
Exemplo n.º 3
0
    def check_free_space(self):
        """ 
        Checks if the sum of the size of all sparse files is bigger
        than the free space on the associated device.                             
        """

        devices = set()
        mount_devices = odict()
        try:
            nodes_conf = self.exaconf.get_nodes_conf()
            docker_conf = self.exaconf.get_docker_conf()
        except EXAConf.EXAConfError as e:
            raise DeviceError("Unable to read EXAConf: %s" % e)

        if docker_conf.device_type != "file":
            raise DeviceError(
                "Space-check is only supported for file-devices!")

        # extract all file-devices from the given EXAConf
        for node_id in nodes_conf.keys():
            my_conf = nodes_conf[node_id]
            # add mapped devices (they have absolute paths)
            for disk in my_conf.disks.itervalues():
                if disk.has_key("mapped_devices"):
                    for host_path, c in disk.mapped_devices:
                        devices.add(host_path)
            # add "normal" file-devices
            for disk in my_conf.disks.itervalues():
                for dev, meta in disk.devices:
                    if not self.is_mapped_device(dev, disk):
                        devices.add(
                            os.path.join(
                                os.path.join(my_conf.docker_volume,
                                             self.exaconf.storage_dir), dev))
                        devices.add(
                            os.path.join(
                                os.path.join(my_conf.docker_volume,
                                             self.exaconf.storage_dir), meta))

        # organize devices according to their filesystem
        for dev in devices:
            mount_point = self.get_mount_point(dev)
            if mount_point not in mount_devices:
                mount_devices[mount_point] = []
            mount_devices[mount_point].append(dev)
        # compute free space for each mountpoint
        sufficient_free_space = True
        for mount_point in mount_devices.keys():
            part_free = self.get_free_space(mount_point)
            files_size = sum([
                os.path.getsize(os.path.realpath(dev))
                for dev in mount_devices[mount_point]
            ])
            if part_free < files_size:
                print "Free space on '%s' is only %s, but accumulated size of (sparse) file-devices is %s!" % (
                    mount_point, bytes2units(part_free),
                    bytes2units(files_size))
                sufficient_free_space = False
        return sufficient_free_space
Exemplo n.º 4
0
    def auto_create_file_devices(self, container_internal=False):
        """
        Automatically determines the available free space in the root directory of the current
        cluster and creates one file device per node with disk name 'default'. 'container_internal'
        has to be True if this function is called from within a container (e. g. during the 
        initialization of a self-contained image).

        Throws an exception if the cluster already contains disks and devices.
        """

        # Get and check available free space in root directory
        root_usable = 0
        root_free = self.get_free_space(self.get_mount_point(
            self.exaconf.root))
        if container_internal == True:
            root_usable = min(root_free - self.auto_internal_reserved_size,
                              self.max_auto_internal_used_space)
        else:
            if root_free < self.min_auto_free_space:
                raise DeviceError(
                    "Free space on '%s' is only '%s' but '%s' are required for automatic file-device creation!"
                    % (self.exaconf.root, bytes2units(root_free),
                       bytes2units(self.min_auto_free_space)))
            root_usable = min(root_free - self.auto_reserved_size,
                              self.max_auto_used_space)

        try:
            nodes_conf = self.exaconf.get_nodes_conf()
        except EXAConf.EXAConfError as e:
            raise DeviceError("Failed to read EXAConf: %s" % e)

        # check if the nodes already have disks
        for node in nodes_conf.values():
            if len(node.disks) > 0:
                raise DeviceError(
                    "Devices can't be auto-generated because this cluster alreay has disks!"
                )

        bytes_per_node = root_usable / len(nodes_conf)

        # create the device-file in the local storage directory
        if container_internal == True:
            self.create_node_file_devices(
                "11", "default", 1, bytes_per_node,
                os.path.join(self.exaconf.container_root,
                             self.exaconf.storage_dir), False)
        else:
            self.create_file_devices("default", 1, bytes_per_node, "", False)

        try:
            # leave some room for the temporary volume!
            self.exaconf.use_disk_for_volumes(
                "default",
                bytes_per_node * 0.666,
                min_vol_size=self.auto_min_vol_size,
                vol_resize_step=self.vol_resize_step)
        except EXAConf.EXAConfError as e:
            raise DeviceError(
                "Failed to use new disk for the existing volumes: %s" % e)
Exemplo n.º 5
0
 def test_61_reports(self) -> None:
     if not self.adds_applied:
         self.adds.apply_to_storage(self.stor)
         self.adds_applied = True
     limits_names_set = set()
     for acc in self.accounts.values():
         for lname in acc.limit.limit_names:
             limits_names_set.add((acc.limit.period(lname), lname))
     limit_names = tuple(x[1] for x in sorted(limits_names_set, key = lambda x: x[0]))
     reports = AccountsReport(limit_names, tuple(self.accounts.values()), self.stor)
     print()
     for limit in limit_names:
         result = reports.account_usage(self.start_ts, self.config['test_router'], limit)
         print(limit)
         for acc, usage in sorted(result.items(), key = lambda x: x[0].name):
             print(acc.name, bytes2units(usage.dat), acc.limit.limit(limit).amount_text)
Exemplo n.º 6
0
 def limits_usage(self) -> None:
     print('<div class="smallblock"><h2>limits</h2><table>',
           file=self._output_stream)
     sum_usage: Dict[str, p.Usage] = {}
     sum_limits: Dict[str, p.Usage] = {}
     for limit in self._limit_names:
         sum_usage[limit] = p.Usage(limit)
         sum_limits[limit] = p.Usage(limit)
     for account in sorted(self._accounts, key=lambda x: x.short):
         print('<tr class="tright"><th class="tright user%s" title="%s">%s</th>' \
               % (account.short, account.name, account.short),
               end = ' ', file = self._output_stream)
         for limit in self._limit_names:
             if limit not in self._account_usage \
                or account not in self._account_usage[limit]:
                 usage = p.Usage(account.short)
             else:
                 usage = self._account_usage[limit][account]
             print('<td class="tright" title="%s / %s / %s / %s">%s</td>' \
                   % (bytes2units(usage.inp), bytes2units(usage.out), bytes2units(usage.dat),
                      bytes2units(usage.inp + usage.out, '&nbsp;'),
                      account.limit(limit).amount_html),
                   end = ' ', file = self._output_stream)
             if not account.ignore:
                 sum_usage[limit] += usage
             sum_limits[limit] += p.Usage('tmp',
                                          dat=account.limit(limit).amount)
         print("</tr>", file=self._output_stream)
     print('<tr class="tright"><th class="tright">&nbsp;</th>',
           end=' ',
           file=self._output_stream)
     for limit in self._limit_names:
         usage = sum_limits[limit]
         real_usage = sum_usage[limit]
         print('<th class="tright" title="%s / %s / %s">%s</th>' \
               % (bytes2units(real_usage.inp + real_usage.out),
                  bytes2units((real_usage.inp + real_usage.out) - real_usage.dat),
                  bytes2units(real_usage.dat),
                  bytes2units(usage.dat, '&nbsp;')),
               end = ' ', file = self._output_stream)
     print("</tr></table></div>", file=self._output_stream)
Exemplo n.º 7
0
    def use_disk_for_volumes(self, disk, bytes_per_node, vol_type=None):
        """
        Adds the given disk to all volumes of the given type that don't have a disk assigned yet.         
        The given 'bytes_per_node' space is distributed equally across all suitable volumes.
        """

        # we only consider volumes without disks
        filters = {"disk": ""}
        if vol_type and vol_type != "":
            filters["type"] = vol_type
        volumes = self.get_storage_volumes(filters=filters)
        bytes_per_volume_node = bytes_per_node / len(volumes)

        for volume in volumes.iteritems():
            vol_sec = self.config["EXAVolume : " + volume[0]]
            vol_sec["Disk"] = disk
            vol_sec["Size"] = bytes2units(bytes_per_volume_node /
                                          volume[1].redundancy)

        self.commit()
Exemplo n.º 8
0
 def _print_limit_block(self, limit: str) -> None:
     print("<table>", file=self._output_stream)
     dat_sum, dat_full, dat_limit = 0, 0, 0
     for account in sorted(self._accounts, key=lambda x: x.short):
         if limit not in self._account_usage or account not in self._account_usage[
                 limit]:
             usage = p.Usage(account.short)
         else:
             usage = self._account_usage[limit][account]
         print('<tr><th class="tright user%s" title="%s">%s</th><td class="tright" title="%s / %s / %s">%s</td>' \
               % (account.short, account.name, account.short,
                  bytes2units(usage.inp), bytes2units(usage.out), bytes2units(usage.dat),
                  bytes2units(usage.inp + usage.out, '&nbsp')),
               file = self._output_stream)
         percent = usage.dat / account.limit(limit).amount * 100
         if percent > 99. and usage.dat < account.limit(limit).amount:
             percent = 99.
         percent_real = (usage.inp +
                         usage.out) / account.limit(limit).amount * 100
         red, yellow, weight = 0, 0, 'normal'
         if percent > 50.:
             red = yellow = min(int(percent / 100 * 150 + 50), 255)
         if percent > 80.: red = min(int(percent / 100 * 150 + 105), 255)
         if percent > 99.:
             red, yellow = min(int(((percent - 40) / 100) * 255), 255), 0
         if percent > 120.: weight = 'bold'
         print('<td class="tright" style="color: rgb(%d, %d, 0); font-weight: %s;" title="%s">%s</td></tr>' \
               % (red, yellow, weight, "%2.0f%%" % percent_real, "%2.0f%%" % percent),
               file = self._output_stream)
         if not account.ignore:
             dat_sum += usage.dat
             dat_full += usage.inp + usage.out
             dat_limit += account.limit(limit).amount
     percent = dat_sum / dat_limit * 100
     percent_real = dat_full / dat_limit * 100
     print('<tr><th class="tright">%s</th><th class="tright" title="%s">%s</th><th title="%s">%s</th></tr></table>' \
           % ("&nbsp;", bytes2units(dat_full), bytes2units(dat_sum), "%2.0f%%" % percent_real, "%2.0f%%" % percent),
           file = self._output_stream)
Exemplo n.º 9
0
 def amount_html(self) -> str:
     return bytes2units(self._amount, '&nbsp;')
Exemplo n.º 10
0
 def amount_text(self) -> str:
     return bytes2units(self._amount, ' ')