Exemplo n.º 1
0
def access_group_init_add(req, ag_name, init_id, init_type):
    if init_type != 'iscsi':
        raise TargetdError(TargetdError.NO_SUPPORT, "Only support iscsi")

    tpg = _get_iscsi_tpg()
    # Pre-check:
    #   1. Already in requested access group, return silently.
    #   2. Initiator does not exist.
    #   3. Initiator not used by other access group.

    if init_id in list(NodeACLGroup(tpg, ag_name).wwns):
        return

    for node_acl_group in tpg.node_acl_groups:
        if init_id in list(node_acl_group.wwns):
            raise TargetdError(
                TargetdError.EXISTS_INITIATOR,
                "Requested init_id is used by other access group")
    for node_acl in tpg.node_acls:
        if init_id == node_acl.node_wwn:
            raise TargetdError(TargetdError.EXISTS_INITIATOR,
                               "Requested init_id is in use")

    NodeACLGroup(tpg, ag_name).add_acl(init_id)
    RTSRoot().save_to_file()
Exemplo n.º 2
0
def access_group_create(req, ag_name, init_id, init_type):
    if init_type != 'iscsi':
        raise TargetdError(
            TargetdError.NO_SUPPORT, "Only support iscsi")

    name_check(ag_name)

    tpg = _get_iscsi_tpg()

    # Pre-check:
    #   1. Name conflict: requested name is in use
    #   2. Initiator conflict:  request initiator is in use

    for node_acl_group in tpg.node_acl_groups:
        if node_acl_group.name == ag_name:
            raise TargetdError(
                TargetdError.NAME_CONFLICT,
                "Requested access group name is in use")

    if init_id in list(i.node_wwn for i in tpg.node_acls):
        raise TargetdError(
            TargetdError.EXISTS_INITIATOR,
            "Requested init_id is in use")

    node_acl_group = NodeACLGroup(tpg, ag_name)
    node_acl_group.add_acl(init_id)
    RTSRoot().save_to_file()
Exemplo n.º 3
0
def access_group_init_del(req, ag_name, init_id, init_type):
    if init_type != 'iscsi':
        raise TargetdError(TargetdError.NO_SUPPORT, "Only support iscsi")

    tpg = _get_iscsi_tpg()

    # Pre-check:
    #   1. Initiator is not in requested access group, return silently.
    if init_id not in list(NodeACLGroup(tpg, ag_name).wwns):
        return

    NodeACLGroup(tpg, ag_name).remove_acl(init_id)
    RTSRoot().save_to_file()
Exemplo n.º 4
0
def access_group_map_create(req, pool_name, vol_name, ag_name, h_lun_id=None):
    tpg = _get_iscsi_tpg()
    tpg.enable = True
    tpg.set_attribute("authentication", '0')
    NetworkPortal(tpg, "0.0.0.0")

    tpg_lun = _tpg_lun_of(tpg, pool_name, vol_name)

    # Pre-Check:
    #   1. Already mapped to requested access group, return None
    if any(tpg_lun.mapped_luns):
        tgt_map_list = access_group_map_list(req)
        for tgt_map in tgt_map_list:
            if tgt_map['ag_name'] == ag_name and \
               tgt_map['pool_name'] == pool_name and \
               tgt_map['vol_name'] == vol_name:
                # Already masked.
                return None

    node_acl_group = NodeACLGroup(tpg, ag_name)
    if not any(node_acl_group.wwns):
        # Non-existent access group means volume mapping status will not be
        # stored. This should be considered as an error instead of silently
        # returning.
        raise TargetdError(
            TargetdError.NOT_FOUND_ACCESS_GROUP, "Access group not found")

    if h_lun_id is None:
        # Find out next available host LUN ID
        # Assuming max host LUN ID is LUN.MAX_LUN
        free_h_lun_ids = set(range(LUN.MAX_LUN+1)) - \
            set([int(x.mapped_lun) for x in tpg_lun.mapped_luns])
        if len(free_h_lun_ids) == 0:
            raise TargetdError(
                TargetdError.NO_FREE_HOST_LUN_ID,
                "All host LUN ID 0 ~ %d is in use" % LUN.MAX_LUN)
        else:
            h_lun_id = free_h_lun_ids.pop()

    node_acl_group.mapped_lun_group(h_lun_id, tpg_lun)
    RTSRoot().save_to_file()
Exemplo n.º 5
0
def access_group_map_create(req, pool_name, vol_name, ag_name, h_lun_id=None):
    tpg = _get_iscsi_tpg()
    tpg.enable = True
    tpg.set_attribute("authentication", '0')

    set_portal_addresses(tpg)

    tpg_lun = _tpg_lun_of(tpg, pool_name, vol_name)

    # Pre-Check:
    #   1. Already mapped to requested access group, return None
    if any(tpg_lun.mapped_luns):
        tgt_map_list = access_group_map_list(req)
        for tgt_map in tgt_map_list:
            if tgt_map['ag_name'] == ag_name and \
                    tgt_map['pool_name'] == pool_name and \
                    tgt_map['vol_name'] == vol_name:
                # Already masked.
                return None

    node_acl_group = NodeACLGroup(tpg, ag_name)
    if not any(node_acl_group.wwns):
        # Non-existent access group means volume mapping status will not be
        # stored. This should be considered as an error instead of silently
        # returning.
        raise TargetdError(TargetdError.NOT_FOUND_ACCESS_GROUP,
                           "Access group not found")

    if h_lun_id is None:
        # Find out next available host LUN ID
        # Assuming max host LUN ID is MAX_LUN
        free_h_lun_ids = set(range(MAX_LUN + 1)) - \
                         set([int(x.mapped_lun) for x in tpg_lun.mapped_luns])
        if len(free_h_lun_ids) == 0:
            raise TargetdError(TargetdError.NO_FREE_HOST_LUN_ID,
                               "All host LUN ID 0 ~ %d is in use" % MAX_LUN)
        else:
            h_lun_id = free_h_lun_ids.pop()

    node_acl_group.mapped_lun_group(h_lun_id, tpg_lun)
    RTSRoot().save_to_file()
Exemplo n.º 6
0
def access_group_create(req, ag_name, init_id, init_type):
    if init_type != 'iscsi':
        raise TargetdError(TargetdError.NO_SUPPORT, "Only support iscsi")

    name_check(ag_name)

    tpg = _get_iscsi_tpg()

    # Pre-check:
    #   1. Name conflict: requested name is in use
    #   2. Initiator conflict:  request initiator is in use

    for node_acl_group in tpg.node_acl_groups:
        if node_acl_group.name == ag_name:
            raise TargetdError(TargetdError.NAME_CONFLICT,
                               "Requested access group name is in use")

    if init_id in list(i.node_wwn for i in tpg.node_acls):
        raise TargetdError(TargetdError.EXISTS_INITIATOR,
                           "Requested init_id is in use")

    node_acl_group = NodeACLGroup(tpg, ag_name)
    node_acl_group.add_acl(init_id)
    RTSRoot().save_to_file()
Exemplo n.º 7
0
def access_group_map_destroy(req, pool_name, vol_name, ag_name):
    tpg = _get_iscsi_tpg()
    node_acl_group = NodeACLGroup(tpg, ag_name)
    tpg_lun = _tpg_lun_of(tpg, pool_name, vol_name)
    for map_group in node_acl_group.mapped_lun_groups:
        if map_group.tpg_lun == tpg_lun:
            map_group.delete()

    if not any(tpg_lun.mapped_luns):
        # If LUN is not masked to any access group or initiator
        # remove LUN instance.
        lun_so = tpg_lun.storage_object
        tpg_lun.delete()
        lun_so.delete()

    RTSRoot().save_to_file()
Exemplo n.º 8
0
def access_group_destroy(req, ag_name):
    NodeACLGroup(_get_iscsi_tpg(), ag_name).delete()
    RTSRoot().save_to_file()