コード例 #1
0
ファイル: control.py プロジェクト: thurloat/swift-nbd-server
    def _setup_client(self, create=False):
        """
        Setup a client connection.
        If create is True and the container doesn't exist, it is created.

        Sets username, password and authurl.

        Returns a client connection, metadata tuple or (None, None) on error.
        """

        try:
            values = self.conf.get_container(self.args.container)
        except ValueError as ex:
            self.log.error(ex)
            return (None, None)

        self.authurl = values['authurl']
        self.username = values['username']
        self.password = values['password']

        cli = client.Connection(
            values['authurl'], values['username'], values['password'],
            auth_version=values['auth_version'],
            tenant_name=values['tenant_name'])

        try:
            headers, _ = cli.get_container(self.args.container)
        except (socket.error, client.ClientException) as ex:
            if getattr(ex, 'http_status', None) == 404:
                if create:
                    self.log.warning("%s doesn't exist, will be created" % self.args.container)
                    return (cli, dict())
                else:
                    self.log.error("%s doesn't exist" % self.args.container)
            else:
                self.log.error(ex)
            return (None, None)

        self.log.debug(headers)

        meta = getMeta(headers)
        self.log.debug("Meta: %s" % meta)

        if not meta:
            self.log.error("%s hasn't been setup to be used with swiftnbd" % self.args.container)
            return (None, None)

        return (cli, meta)
コード例 #2
0
    def _setup_client(self, create=False):
        """
        Setup a client connection.
        If create is True and the container doesn't exist, it is created.

        Sets username, password and authurl.

        Returns a client connection, metadata tuple or (None, None) on error.
        """

        try:
            values = self.conf.get_container(self.args.container)
        except ValueError as ex:
            self.log.error(ex)
            return (None, None)

        self.authurl = values['authurl']
        self.username = values['username']
        self.password = values['password']

        cli = client.Connection(self.authurl, self.username, self.password)

        try:
            headers, _ = cli.get_container(self.args.container)
        except (socket.error, client.ClientException) as ex:
            if getattr(ex, 'http_status', None) == 404:
                if create:
                    self.log.warning("%s doesn't exist, will be created" %
                                     self.args.container)
                    return (cli, dict())
                else:
                    self.log.error("%s doesn't exist" % self.args.container)
            else:
                self.log.error(ex)
            return (None, None)

        self.log.debug(headers)

        meta = getMeta(headers)
        self.log.debug("Meta: %s" % meta)

        if not meta:
            self.log.error("%s hasn't been setup to be used with swiftnbd" %
                           self.args.container)
            return (None, None)

        return (cli, meta)
コード例 #3
0
    def do_list(self):

        self.log.debug("listing containers")

        if self.args.simple:
            out = print
        else:
            out = self.log.info

        prev_authurl = None
        for container, values in self.conf.items():
            if prev_authurl or prev_authurl != values['authurl']:
                cli = client.Connection(values['authurl'], values['username'],
                                        values['password'])

            try:
                headers, _ = cli.get_container(container)
            except (socket.error, client.ClientException) as ex:
                if getattr(ex, 'http_status', None) == 404:
                    self.log.error("%s doesn't exist (auth-url: %s)" %
                                   (container, values['authurl']))
                else:
                    self.log.error(ex)
            else:

                meta = getMeta(headers)
                self.log.debug("Meta: %s" % meta)

                if meta:
                    lock = "unlocked" if not 'client' in meta else "locked by %s" % meta[
                        'client']
                    out("%s objects=%s size=%s (version=%s, %s)" % (
                        container,
                        meta['objects'],
                        meta['object-size'],
                        meta['version'],
                        lock,
                    ))
                else:
                    out("%s is not a swiftnbd container" % container)

            prev_authurl = values['authurl']

        return 0
コード例 #4
0
ファイル: control.py プロジェクト: thurloat/swift-nbd-server
    def do_list(self):

        self.log.debug("listing containers")

        if self.args.simple:
            out = print
        else:
            out = self.log.info

        prev_authurl = None
        for container, values in self.conf.iteritems():
            if prev_authurl or prev_authurl != values['authurl']:
                cli = client.Connection(
                    values['authurl'], values['username'], values['password'],
                    auth_version=values['auth_version'],
                    tenant_name=values['tenant_name'])

            try:
                headers, _ = cli.get_container(container)
            except (socket.error, client.ClientException) as ex:
                if getattr(ex, 'http_status', None) == 404:
                    self.log.error("%s doesn't exist (auth-url: %s)" % (container, values['authurl']))
                else:
                    self.log.error(ex)
            else:

                meta = getMeta(headers)
                self.log.debug("Meta: %s" % meta)

                if meta:
                    lock = "unlocked" if not 'client' in meta else "locked by %s" % meta['client']
                    out("%s objects=%s size=%s (version=%s, %s)" % (container,
                                                                    meta['objects'],
                                                                    meta['object-size'],
                                                                    meta['version'],
                                                                    lock,
                                                                    ))
                else:
                    out("%s is not a swiftnbd container" % container)

            prev_authurl = values['authurl']

        return 0
コード例 #5
0
ファイル: swift.py プロジェクト: reidrac/swift-nbd-server
    def lock(self, client_id):
        """Set the storage as busy"""
        if self.locked:
            return

        try:
            headers, _ = self.cli.get_container(self.container)
        except (socket.error, client.ClientException) as ex:
            raise StorageError(errno.EIO, "Failed to lock: %s" % ex)

        self.meta = getMeta(headers)

        if self.meta.get('client'):
            raise StorageError(errno.EBUSY, "Already in use: %s" % self.meta['client'])

        self.meta['client'] = "%s@%i" % (client_id, time())
        hdrs = setMeta(self.meta)
        try:
            self.cli.put_container(self.container, headers=hdrs)
        except (socket.error, client.ClientException) as ex:
            raise StorageError(errno.EIO, "Failed to lock: %s" % ex)

        self.locked = True
コード例 #6
0
ファイル: swift.py プロジェクト: mikalv/swift-nbd-server
    def lock(self, client_id):
        """Set the storage as busy"""
        if self.locked:
            return

        try:
            headers, _ = self.cli.get_container(self.container)
        except (socket.error, client.ClientException) as ex:
            raise StorageError(errno.EIO, "Failed to lock: %s" % ex)

        self.meta = getMeta(headers)

        if self.meta.get('client'):
            raise StorageError(errno.EBUSY,
                               "Already in use: %s" % self.meta['client'])

        self.meta['client'] = "%s@%i" % (client_id, time())
        hdrs = setMeta(self.meta)
        try:
            self.cli.put_container(self.container, headers=hdrs)
        except (socket.error, client.ClientException) as ex:
            raise StorageError(errno.EIO, "Failed to lock: %s" % ex)

        self.locked = True
コード例 #7
0
ファイル: main.py プロジェクト: reidrac/swift-nbd-server
    def run(self):

        if os.path.isfile(self.args.pidfile):
            self.log.error("%s found: is the server already running?" % self.args.pidfile)
            return 1

        stores = dict()
        for container, values in self.conf.items():
            auth = dict(authurl = self.args.authurl,
                        user = values['username'],
                        key = values['password'],
                        )

            if self.args.keystone:
                try:
                    from keystoneclient.v2_0 import client as _check_for_ksclient
                except ImportError:
                    sys.exit("auth 2.0 (keystone) requires python-keystoneclient")
                else:
                    self.log.debug("using auth 2.0 (keystone)")

                if self.args.keystone_separator not in values['username']:
                    self.log.error("%s: separator not found in %r, skipping" % (container, values['username']))
                    continue

                keystone_auth = values['username'].split(self.args.keystone_separator, 1)
                auth['tenant_name'], auth['user'] = keystone_auth
                auth['auth_version'] = '2.0'
                auth['os_options'] = dict(service_type = self.args.keystone_service,
                                          endpoint_type = self.args.keystone_endpoint,
                                          region_name = self.args.keystone_region,
                                          )
                self.log.debug("os_options: %r" % auth['os_options'])

            cli = client.Connection(**auth)

            try:
                headers, _ = cli.get_container(container)
            except (socket.error, client.ClientException) as ex:
                if getattr(ex, 'http_status', None) == 404:
                    self.log.warning("%s doesn't exist, skipping" % container)
                    continue
                else:
                    self.log.error("%s: %r, skipping" % (container, ex.msg))
                    continue

            self.log.debug(headers)

            meta = getMeta(headers)
            if not meta:
                self.log.warning("%s doesn't appear to be setup, skipping" % container)
                continue

            self.log.debug("Meta: %s" % meta)

            try:
                object_size = int(meta['object-size'])
                objects = int(meta['objects'])
            except ValueError as ex:
                self.log.error("%s doesn't appear to be correct: %s" % (container, ex))
                return 1

            if meta['version'] != disk_version:
                self.log.warning("Version mismatch %s != %s in %s" % (meta['version'], disk_version, container))

            stores[container] = SwiftStorage(auth,
                                             container,
                                             object_size,
                                             objects,
                                             Cache(int(self.args.cache_limit*1024**2 / object_size)),
                                             values['read-only'].lower() in ('1', 'yes', 'true', 'on'),
                                            )

        addr = (self.args.bind_address, self.args.bind_port)
        server = Server(addr, stores)

        if not self.args.foreground:
            try:
                if os.fork() != 0:
                    os._exit(0)
            except OSError as ex:
                self.log.error("Failed to daemonize: %s" % ex)
                return 1

            os.setsid()
            fd = os.open(os.devnull, os.O_RDWR)
            os.dup2(fd, sys.stdin.fileno())
            os.dup2(fd, sys.stdout.fileno())
            os.dup2(fd, sys.stderr.fileno())

        self.log.info("Starting to serve on %s:%s" % (addr[0], addr[1]))

        try:
            fd = os.open(self.args.pidfile, (os.O_CREAT|os.O_EXCL|os.O_WRONLY), 0o644)
        except OSError as ex:
            self.log.error("Failed to create the pidfile: %s" % ex)
            return 1

        with os.fdopen(fd, "w") as pidfile_handle:
            pidfile_handle.write("%s\n" % os.getpid())
            pidfile_handle.flush()

            server.serve_forever()

        os.remove(self.args.pidfile)

        # unlock the storages before exit
        server.unlock_all()

        self.log.info("Exiting...")
        return 0
コード例 #8
0
ファイル: main.py プロジェクト: NuVivo314/swift-nbd-server
    def run(self):

        if os.path.isfile(self.args.pidfile):
            self.log.error("%s found: is the server already running?" % self.args.pidfile)
            return 1

        stores = dict()
        for container, values in self.conf.items():
            cli = client.Connection(values['authurl'], values['username'], values['password'])

            try:
                headers, _ = cli.get_container(container)
            except (socket.error, client.ClientException) as ex:
                if getattr(ex, 'http_status', None) == 404:
                    self.log.warning("%s doesn't exist, skipping" % container)
                    continue
                else:
                    self.log.error(ex)
                    return 1

            self.log.debug(headers)

            meta = getMeta(headers)
            if not meta:
                self.log.warning("%s doesn't appear to be setup, skipping" % container)
                continue

            self.log.debug("Meta: %s" % meta)

            try:
                object_size = int(meta['object-size'])
                objects = int(meta['objects'])
            except ValueError as ex:
                self.log.error("%s doesn't appear to be correct: %s" % (container, ex))
                return 1

            if meta['version'] != disk_version:
                self.log.warning("Version mismatch %s != %s in %s" % (meta['version'], disk_version, container))

            stores[container] = SwiftStorage(values['authurl'],
                                             values['username'],
                                             values['password'],
                                             container,
                                             object_size,
                                             objects,
                                             Cache(int(self.args.cache_limit*1024**2 / object_size)),
                                             values['read-only'].lower() in ('1', 'yes', 'true', 'on'),
                                            )

        addr = (self.args.bind_address, self.args.bind_port)
        server = Server(addr, stores)

        if not self.args.foreground:
            try:
                if os.fork() != 0:
                    os._exit(0)
            except OSError as ex:
                self.log.error("Failed to daemonize: %s" % ex)
                return 1

            os.setsid()
            fd = os.open(os.devnull, os.O_RDWR)
            os.dup2(fd, sys.stdin.fileno())
            os.dup2(fd, sys.stdout.fileno())
            os.dup2(fd, sys.stderr.fileno())

        self.log.info("Starting to serve on %s:%s" % (addr[0], addr[1]))

        try:
            fd = os.open(self.args.pidfile, (os.O_CREAT|os.O_EXCL|os.O_WRONLY), 0o644)
        except OSError as ex:
            self.log.error("Failed to create the pidfile: %s" % ex)
            return 1

        with os.fdopen(fd, "w") as pidfile_handle:
            pidfile_handle.write("%s\n" % os.getpid())
            pidfile_handle.flush()

            server.serve_forever()

        os.remove(self.args.pidfile)

        # unlock the storages before exit
        server.unlock_all()

        self.log.info("Exiting...")
        return 0
コード例 #9
0
ファイル: control.py プロジェクト: mikalv/swift-nbd-server
    def _setup_client(self, create=False, container=None):
        """
        Setup a client connection.
        If create is True and the container doesn't exist, it is created.

        Sets auth dictionary to create connections.

        Returns a client connection, metadata tuple or (None, None) on error.
        """

        if container is None:
            container = self.args.container

        try:
            values = self.conf.get_container(container)
        except ValueError as ex:
            self.log.error(ex)
            return (None, None)

        auth = dict(
            authurl=self.args.authurl,
            user=values['username'],
            key=values['password'],
        )

        if self.args.keystone:
            try:
                from keystoneclient.v2_0 import client as _check_for_ksclient
            except ImportError:
                sys.exit("auth 2.0 (keystone) requires python-keystoneclient")
            else:
                self.log.debug("using auth 2.0 (keystone)")

            if self.args.keystone_separator not in values['username']:
                self.log.error("%s: separator not found in %r" %
                               (container, values['username']))
                return (None, None)

            keystone_auth = values['username'].split(
                self.args.keystone_separator, 1)
            auth['tenant_name'], auth['user'] = keystone_auth
            auth['auth_version'] = '2.0'
            auth['os_options'] = dict(
                service_type=self.args.keystone_service,
                endpoint_type=self.args.keystone_endpoint,
                region_name=self.args.keystone_region,
            )
            self.log.debug("os_options: %r" % auth['os_options'])

        self.auth = auth
        cli = client.Connection(**auth)

        try:
            headers, _ = cli.get_container(container)
        except (socket.error, client.ClientException) as ex:
            if getattr(ex, 'http_status', None) == 404:
                if create:
                    self.log.warning("%s doesn't exist, will be created" %
                                     container)
                    return (cli, dict())
                else:
                    self.log.error("%s doesn't exist" % container)
            else:
                self.log.error(ex)
            return (None, None)

        self.log.debug(headers)

        meta = getMeta(headers)
        self.log.debug("Meta: %s" % meta)

        if not meta:
            self.log.error("%s hasn't been setup to be used with swiftnbd" %
                           container)
            return (None, None)

        return (cli, meta)
コード例 #10
0
ファイル: main.py プロジェクト: mikalv/swift-nbd-server
    def run(self):

        if os.path.isfile(self.args.pidfile):
            self.log.error("%s found: is the server already running?" %
                           self.args.pidfile)
            return 1

        stores = dict()
        for container, values in self.conf.items():
            auth = dict(
                authurl=self.args.authurl,
                user=values['username'],
                key=values['password'],
            )

            if self.args.keystone:
                try:
                    from keystoneclient.v2_0 import client as _check_for_ksclient
                except ImportError:
                    sys.exit(
                        "auth 2.0 (keystone) requires python-keystoneclient")
                else:
                    self.log.debug("using auth 2.0 (keystone)")

                if self.args.keystone_separator not in values['username']:
                    self.log.error("%s: separator not found in %r, skipping" %
                                   (container, values['username']))
                    continue

                keystone_auth = values['username'].split(
                    self.args.keystone_separator, 1)
                auth['tenant_name'], auth['user'] = keystone_auth
                auth['auth_version'] = '2.0'
                auth['os_options'] = dict(
                    service_type=self.args.keystone_service,
                    endpoint_type=self.args.keystone_endpoint,
                    region_name=self.args.keystone_region,
                )
                self.log.debug("os_options: %r" % auth['os_options'])

            cli = client.Connection(**auth)

            try:
                headers, _ = cli.get_container(container)
            except (socket.error, client.ClientException) as ex:
                if getattr(ex, 'http_status', None) == 404:
                    self.log.warning("%s doesn't exist, skipping" % container)
                    continue
                else:
                    self.log.error("%s: %r, skipping" % (container, ex.msg))
                    continue

            self.log.debug(headers)

            meta = getMeta(headers)
            if not meta:
                self.log.warning("%s doesn't appear to be setup, skipping" %
                                 container)
                continue

            self.log.debug("Meta: %s" % meta)

            try:
                object_size = int(meta['object-size'])
                objects = int(meta['objects'])
            except ValueError as ex:
                self.log.error("%s doesn't appear to be correct: %s" %
                               (container, ex))
                return 1

            if meta['version'] != disk_version:
                self.log.warning("Version mismatch %s != %s in %s" %
                                 (meta['version'], disk_version, container))

            stores[container] = SwiftStorage(
                auth,
                container,
                object_size,
                objects,
                Cache(int(self.args.cache_limit * 1024**2 / object_size)),
                values['read-only'].lower() in ('1', 'yes', 'true', 'on'),
            )

        addr = (self.args.bind_address, self.args.bind_port)
        server = Server(addr, stores)

        if not self.args.foreground:
            try:
                if os.fork() != 0:
                    os._exit(0)
            except OSError as ex:
                self.log.error("Failed to daemonize: %s" % ex)
                return 1

            os.setsid()
            fd = os.open(os.devnull, os.O_RDWR)
            os.dup2(fd, sys.stdin.fileno())
            os.dup2(fd, sys.stdout.fileno())
            os.dup2(fd, sys.stderr.fileno())

        self.log.info("Starting to serve on %s:%s" % (addr[0], addr[1]))

        try:
            fd = os.open(self.args.pidfile,
                         (os.O_CREAT | os.O_EXCL | os.O_WRONLY), 0o644)
        except OSError as ex:
            self.log.error("Failed to create the pidfile: %s" % ex)
            return 1

        with os.fdopen(fd, "w") as pidfile_handle:
            pidfile_handle.write("%s\n" % os.getpid())
            pidfile_handle.flush()

            server.serve_forever()

        os.remove(self.args.pidfile)

        # unlock the storages before exit
        server.unlock_all()

        self.log.info("Exiting...")
        return 0
コード例 #11
0
ファイル: main.py プロジェクト: NuVivo314/swift-nbd-server
    def run(self):

        if os.path.isfile(self.args.pidfile):
            self.log.error("%s found: is the server already running?" %
                           self.args.pidfile)
            return 1

        stores = dict()
        for container, values in self.conf.items():
            cli = client.Connection(values['authurl'], values['username'],
                                    values['password'])

            try:
                headers, _ = cli.get_container(container)
            except (socket.error, client.ClientException) as ex:
                if getattr(ex, 'http_status', None) == 404:
                    self.log.warning("%s doesn't exist, skipping" % container)
                    continue
                else:
                    self.log.error(ex)
                    return 1

            self.log.debug(headers)

            meta = getMeta(headers)
            if not meta:
                self.log.warning("%s doesn't appear to be setup, skipping" %
                                 container)
                continue

            self.log.debug("Meta: %s" % meta)

            try:
                object_size = int(meta['object-size'])
                objects = int(meta['objects'])
            except ValueError as ex:
                self.log.error("%s doesn't appear to be correct: %s" %
                               (container, ex))
                return 1

            if meta['version'] != disk_version:
                self.log.warning("Version mismatch %s != %s in %s" %
                                 (meta['version'], disk_version, container))

            stores[container] = SwiftStorage(
                values['authurl'],
                values['username'],
                values['password'],
                container,
                object_size,
                objects,
                Cache(int(self.args.cache_limit * 1024**2 / object_size)),
                values['read-only'].lower() in ('1', 'yes', 'true', 'on'),
            )

        addr = (self.args.bind_address, self.args.bind_port)
        server = Server(addr, stores)

        if not self.args.foreground:
            try:
                if os.fork() != 0:
                    os._exit(0)
            except OSError as ex:
                self.log.error("Failed to daemonize: %s" % ex)
                return 1

            os.setsid()
            fd = os.open(os.devnull, os.O_RDWR)
            os.dup2(fd, sys.stdin.fileno())
            os.dup2(fd, sys.stdout.fileno())
            os.dup2(fd, sys.stderr.fileno())

        self.log.info("Starting to serve on %s:%s" % (addr[0], addr[1]))

        try:
            fd = os.open(self.args.pidfile,
                         (os.O_CREAT | os.O_EXCL | os.O_WRONLY), 0o644)
        except OSError as ex:
            self.log.error("Failed to create the pidfile: %s" % ex)
            return 1

        with os.fdopen(fd, "w") as pidfile_handle:
            pidfile_handle.write("%s\n" % os.getpid())
            pidfile_handle.flush()

            server.serve_forever()

        os.remove(self.args.pidfile)

        # unlock the storages before exit
        server.unlock_all()

        self.log.info("Exiting...")
        return 0
コード例 #12
0
ファイル: control.py プロジェクト: reidrac/swift-nbd-server
    def _setup_client(self, create=False, container=None):
        """
        Setup a client connection.
        If create is True and the container doesn't exist, it is created.

        Sets auth dictionary to create connections.

        Returns a client connection, metadata tuple or (None, None) on error.
        """

        if container is None:
            container = self.args.container

        try:
            values = self.conf.get_container(container)
        except ValueError as ex:
            self.log.error(ex)
            return (None, None)

        auth = dict(authurl = self.args.authurl,
                    user = values['username'],
                    key = values['password'],
                    )

        if self.args.keystone:
            try:
                from keystoneclient.v2_0 import client as _check_for_ksclient
            except ImportError:
                sys.exit("auth 2.0 (keystone) requires python-keystoneclient")
            else:
                self.log.debug("using auth 2.0 (keystone)")

            if self.args.keystone_separator not in values['username']:
                self.log.error("%s: separator not found in %r" % (container, values['username']))
                return (None, None)

            keystone_auth = values['username'].split(self.args.keystone_separator, 1)
            auth['tenant_name'], auth['user'] = keystone_auth
            auth['auth_version'] = '2.0'
            auth['os_options'] = dict(service_type = self.args.keystone_service,
                                      endpoint_type = self.args.keystone_endpoint,
                                      region_name = self.args.keystone_region,
                                      )
            self.log.debug("os_options: %r" % auth['os_options'])

        self.auth = auth
        cli = client.Connection(**auth)

        try:
            headers, _ = cli.get_container(container)
        except (socket.error, client.ClientException) as ex:
            if getattr(ex, 'http_status', None) == 404:
                if create:
                    self.log.warning("%s doesn't exist, will be created" % container)
                    return (cli, dict())
                else:
                    self.log.error("%s doesn't exist" % container)
            else:
                self.log.error(ex)
            return (None, None)

        self.log.debug(headers)

        meta = getMeta(headers)
        self.log.debug("Meta: %s" % meta)

        if not meta:
            self.log.error("%s hasn't been setup to be used with swiftnbd" % container)
            return (None, None)

        return (cli, meta)