Ejemplo n.º 1
0
    def _init_PSCSIs(self):
        # Initialise PSCSIs
        saved_pscsis = self.state_store.load_state('pscsi')
        saved_pscsi_table = {}
        if saved_pscsis:
            for pscsi_uuid, pscsi_record in saved_pscsis.items():
                try:
                    saved_pscsi_table[pscsi_record['scsi_id']] = pscsi_uuid
                except KeyError:
                    pass

        for pscsi_record in vscsi_util.get_all_scsi_devices():
            if pscsi_record['scsi_id']:
                # If saved uuid exists, use it. Otherwise create one.
                pscsi_uuid = saved_pscsi_table.get(pscsi_record['scsi_id'],
                                                   uuid.createString())
                XendPSCSI(pscsi_uuid, pscsi_record)
Ejemplo n.º 2
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    def _init_PSCSIs(self):
        # Initialise PSCSIs
        saved_pscsis = self.state_store.load_state('pscsi')
        saved_pscsi_table = {}
        if saved_pscsis:
            for pscsi_uuid, pscsi_record in saved_pscsis.items():
                try:
                    saved_pscsi_table[pscsi_record['scsi_id']] = pscsi_uuid
                except KeyError:
                    pass

        for pscsi_record in vscsi_util.get_all_scsi_devices():
            if pscsi_record['scsi_id']:
                # If saved uuid exists, use it. Otherwise create one.
                pscsi_uuid = saved_pscsi_table.get(pscsi_record['scsi_id'],
                                                   uuid.createString())
                XendPSCSI(pscsi_uuid, pscsi_record)
Ejemplo n.º 3
0
    def _init_PSCSIs(self):
        # Initialise PSCSIs and PSCSI_HBAs
        saved_pscsis = self.state_store.load_state('pscsi')
        saved_pscsi_table = {}
        if saved_pscsis:
            for pscsi_uuid, pscsi_record in saved_pscsis.items():
                try:
                    saved_pscsi_table[pscsi_record['scsi_id']] = pscsi_uuid
                except KeyError:
                    pass

        saved_pscsi_HBAs = self.state_store.load_state('pscsi_HBA')
        saved_pscsi_HBA_table = {}
        if saved_pscsi_HBAs:
            for pscsi_HBA_uuid, pscsi_HBA_record in saved_pscsi_HBAs.items():
                try:
                    physical_host = int(pscsi_HBA_record['physical_host'])
                    saved_pscsi_HBA_table[physical_host] = pscsi_HBA_uuid
                except (KeyError, ValueError):
                    pass

        pscsi_table = {}
        pscsi_HBA_table = {}

        pscsi_records = []
        for pscsi_mask in xendoptions().get_pscsi_device_mask():
            pscsi_records += vscsi_util.get_all_scsi_devices(pscsi_mask)
        log.debug("pscsi record count: %s" % len(pscsi_records))

        for pscsi_record in pscsi_records:
            scsi_id = pscsi_record['scsi_id']
            if scsi_id:
                saved_HBA_uuid = None

                pscsi_uuid = saved_pscsi_table.get(scsi_id, None)
                if pscsi_uuid is None:
                    pscsi_uuid = uuid.createString()
                    saved_pscsi_table[scsi_id] = pscsi_uuid
                else:
                    try:
                        saved_HBA_uuid = saved_pscsis[pscsi_uuid].get('HBA', None)
                    except KeyError:
                        log.warn("Multi-path SCSI devices are not supported for XenAPI")
                        return

                physical_host = int(pscsi_record['physical_HCTL'].split(':')[0])
                if pscsi_HBA_table.has_key(physical_host):
                    pscsi_HBA_uuid = pscsi_HBA_table[physical_host]
                elif saved_pscsi_HBA_table.has_key(physical_host):
                    pscsi_HBA_uuid = saved_pscsi_HBA_table[physical_host]
                    pscsi_HBA_table[physical_host] = pscsi_HBA_uuid
                else:
                    pscsi_HBA_uuid = uuid.createString()
                    pscsi_HBA_table[physical_host] = pscsi_HBA_uuid

                if saved_HBA_uuid is not None and \
                   saved_HBA_uuid != pscsi_HBA_uuid:
                    log.debug('The PSCSI(%s) host number was changed', scsi_id)
                pscsi_record['HBA'] = pscsi_HBA_uuid
                pscsi_table[pscsi_uuid] = pscsi_record

        for pscsi_uuid, pscsi_record in pscsi_table.items():
            XendPSCSI(pscsi_uuid, pscsi_record)

        for physical_host, pscsi_HBA_uuid in pscsi_HBA_table.items():
            XendPSCSI_HBA(pscsi_HBA_uuid, {'physical_host': physical_host})
Ejemplo n.º 4
0
    def _init_PSCSIs(self):
        # Initialise PSCSIs and PSCSI_HBAs
        saved_pscsis = self.state_store.load_state('pscsi')
        saved_pscsi_table = {}
        if saved_pscsis:
            for pscsi_uuid, pscsi_record in saved_pscsis.items():
                try:
                    saved_pscsi_table[pscsi_record['scsi_id']] = pscsi_uuid
                except KeyError:
                    pass

        saved_pscsi_HBAs = self.state_store.load_state('pscsi_HBA')
        saved_pscsi_HBA_table = {}
        if saved_pscsi_HBAs:
            for pscsi_HBA_uuid, pscsi_HBA_record in saved_pscsi_HBAs.items():
                try:
                    physical_host = int(pscsi_HBA_record['physical_host'])
                    saved_pscsi_HBA_table[physical_host] = pscsi_HBA_uuid
                except (KeyError, ValueError):
                    pass

        pscsi_table = {}
        pscsi_HBA_table = {}

        pscsi_records = []
        for pscsi_mask in xendoptions().get_pscsi_device_mask():
            pscsi_records += vscsi_util.get_all_scsi_devices(pscsi_mask)
        log.debug("pscsi record count: %s" % len(pscsi_records))

        for pscsi_record in pscsi_records:
            scsi_id = pscsi_record['scsi_id']
            if scsi_id:
                saved_HBA_uuid = None

                pscsi_uuid = saved_pscsi_table.get(scsi_id, None)
                if pscsi_uuid is None:
                    pscsi_uuid = uuid.createString()
                    saved_pscsi_table[scsi_id] = pscsi_uuid
                else:
                    try:
                        saved_HBA_uuid = saved_pscsis[pscsi_uuid].get(
                            'HBA', None)
                    except KeyError:
                        log.warn(
                            "Multi-path SCSI devices are not supported for XenAPI"
                        )
                        return

                physical_host = int(
                    pscsi_record['physical_HCTL'].split(':')[0])
                if pscsi_HBA_table.has_key(physical_host):
                    pscsi_HBA_uuid = pscsi_HBA_table[physical_host]
                elif saved_pscsi_HBA_table.has_key(physical_host):
                    pscsi_HBA_uuid = saved_pscsi_HBA_table[physical_host]
                    pscsi_HBA_table[physical_host] = pscsi_HBA_uuid
                else:
                    pscsi_HBA_uuid = uuid.createString()
                    pscsi_HBA_table[physical_host] = pscsi_HBA_uuid

                if saved_HBA_uuid is not None and \
                   saved_HBA_uuid != pscsi_HBA_uuid:
                    log.debug('The PSCSI(%s) host number was changed', scsi_id)
                pscsi_record['HBA'] = pscsi_HBA_uuid
                pscsi_table[pscsi_uuid] = pscsi_record

        for pscsi_uuid, pscsi_record in pscsi_table.items():
            XendPSCSI(pscsi_uuid, pscsi_record)

        for physical_host, pscsi_HBA_uuid in pscsi_HBA_table.items():
            XendPSCSI_HBA(pscsi_HBA_uuid, {'physical_host': physical_host})