Exemplo n.º 1
0
    def _preCreateValidation(cls, sdUUID, domPath, typeSpecificArg, version):
        # Some trivial resource validation
        if os.path.abspath(typeSpecificArg) != typeSpecificArg:
            raise se.StorageDomainIllegalRemotePath(typeSpecificArg)

        validateDirAccess(domPath)

        sd.validateDomainVersion(version)

        # Make sure there are no remnants of other domain
        mdpat = os.path.join(domPath, "*", sd.DOMAIN_META_DATA)
        if len(glob(mdpat)) > 0:
            raise se.StorageDomainNotEmpty(typeSpecificArg)
Exemplo n.º 2
0
    def _preCreateValidation(cls, sdUUID, domPath, typeSpecificArg, version):
        # Some trivial resource validation
        if ":" not in typeSpecificArg:
            raise se.StorageDomainIllegalRemotePath(typeSpecificArg)

        sd.validateDomainVersion(version)

        # Make sure the underlying file system is mounted
        if not fileUtils.isMounted(mountPoint=domPath, mountType=fileUtils.FSTYPE_NFS):
            raise se.StorageDomainFSNotMounted(typeSpecificArg)

        validateDirAccess(domPath)

        # Make sure there are no remnants of other domain
        mdpat = os.path.join(domPath, "*", sd.DOMAIN_META_DATA)
        if len(oop.getProcessPool(sdUUID).glob.glob(mdpat)) > 0:
            raise se.StorageDomainNotEmpty(typeSpecificArg)
Exemplo n.º 3
0
    def _preCreateValidation(cls, sdUUID, domPath, typeSpecificArg,
                             storageType, version):
        # Some trivial resource validation
        # TODO Checking storageType==nfs in the nfs class is not clean
        if storageType == sd.NFS_DOMAIN and ":" not in typeSpecificArg:
            raise se.StorageDomainIllegalRemotePath(typeSpecificArg)

        sd.validateDomainVersion(version)

        # Make sure the underlying file system is mounted
        if not mount.isMounted(domPath):
            raise se.StorageDomainFSNotMounted(domPath)

        fileSD.validateDirAccess(domPath)
        fileSD.validateFileSystemFeatures(sdUUID, domPath)

        # Make sure there are no remnants of other domain
        mdpat = os.path.join(domPath, "*", sd.DOMAIN_META_DATA)
        if len(oop.getProcessPool(sdUUID).glob.glob(mdpat)) > 0:
            raise se.StorageDomainNotEmpty(typeSpecificArg)
Exemplo n.º 4
0
    def create(cls, sdUUID, domainName, domClass, vgUUID, storageType,
               version):
        """ Create new storage domain
            'sdUUID' - Storage Domain UUID
            'domainName' - storage domain name
            'domClass' - Data/Iso
            'vgUUID' - volume group UUID
            'storageType' - NFS_DOMAIN, LOCALFS_DOMAIN, &etc.
            'version' - DOMAIN_VERSIONS
        """
        cls.log.info("sdUUID=%s domainName=%s domClass=%s vgUUID=%s "
                     "storageType=%s version=%s", sdUUID, domainName, domClass,
                     vgUUID, storageType, version)

        if not misc.isAscii(domainName) and not sd.supportsUnicode(version):
            raise se.UnicodeArgumentException()

        if len(domainName) > sd.MAX_DOMAIN_DESCRIPTION_SIZE:
            raise se.StorageDomainDescriptionTooLongError()

        sd.validateDomainVersion(version)

        vg = lvm.getVGbyUUID(vgUUID)
        vgName = vg.name

        if set((STORAGE_UNREADY_DOMAIN_TAG,)) != set(vg.tags):
            raise se.VolumeGroupHasDomainTag(vgUUID)
        try:
            lvm.getLV(vgName)
            raise se.StorageDomainNotEmpty(vgUUID)
        except se.LogicalVolumeDoesNotExistError:
            pass

        numOfPVs = len(lvm.listPVNames(vgName))
        if version in VERS_METADATA_LV and numOfPVs > MAX_PVS:
            cls.log.debug("%d > %d", numOfPVs, MAX_PVS)
            raise se.StorageDomainIsMadeFromTooManyPVs()

        # Create metadata service volume
        metasize = cls.metaSize(vgName)
        lvm.createLV(vgName, sd.METADATA, "%s" % (metasize))
        # Create the mapping right now so the index 0 is guaranteed
        # to belong to the metadata volume. Since the metadata is at
        # least SDMETADATA/METASIZE units, we know we can use the first
        # SDMETADATA bytes of the metadata volume for the SD metadata.
        # pass metadata's dev to ensure it is the first mapping
        mapping = cls.getMetaDataMapping(vgName)

        # Create the rest of the BlockSD internal volumes
        for metaFile, metaSizeMb in sd.SPECIAL_VOLUME_SIZES_MIB.iteritems():
            lvm.createLV(vgName, metaFile, metaSizeMb)

        lvm.createLV(vgName, MASTERLV, MASTERLV_SIZE)

        # Create VMS file system
        _createVMSfs(os.path.join("/dev", vgName, MASTERLV))

        lvm.deactivateLVs(vgName, MASTERLV)

        path = lvm.lvPath(vgName, sd.METADATA)

        # Zero out the metadata and special volumes before use
        try:
            misc.ddCopy("/dev/zero", path, RESERVED_METADATA_SIZE)
            path = lvm.lvPath(vgName, sd.INBOX)
            misc.ddCopy("/dev/zero", path, RESERVED_MAILBOX_SIZE)
            path = lvm.lvPath(vgName, sd.OUTBOX)
            misc.ddCopy("/dev/zero", path, RESERVED_MAILBOX_SIZE)
        except utils.ActionStopped:
            raise
        except se.StorageException:
            raise se.VolumesZeroingError(path)

        if version in VERS_METADATA_LV:
            md = LvBasedSDMetadata(vgName, sd.METADATA)
        elif version in VERS_METADATA_TAG:
            md = TagBasedSDMetadata(vgName)

        logBlkSize, phyBlkSize = lvm.getVGBlockSizes(vgName)

        # create domain metadata
        # FIXME : This is 99% like the metadata in file SD
        #         Do we really need to keep the VGUUID?
        #         no one reads it from here anyway
        initialMetadata = {
            sd.DMDK_VERSION: version,
            sd.DMDK_SDUUID: sdUUID,
            sd.DMDK_TYPE: storageType,
            sd.DMDK_CLASS: domClass,
            sd.DMDK_DESCRIPTION: domainName,
            sd.DMDK_ROLE: sd.REGULAR_DOMAIN,
            sd.DMDK_POOLS: [],
            sd.DMDK_LOCK_POLICY: '',
            sd.DMDK_LOCK_RENEWAL_INTERVAL_SEC: sd.DEFAULT_LEASE_PARAMS[
                sd.DMDK_LOCK_RENEWAL_INTERVAL_SEC],
            sd.DMDK_LEASE_TIME_SEC: sd.DEFAULT_LEASE_PARAMS[
                sd.DMDK_LEASE_TIME_SEC],
            sd.DMDK_IO_OP_TIMEOUT_SEC: sd.DEFAULT_LEASE_PARAMS[
                sd.DMDK_IO_OP_TIMEOUT_SEC],
            sd.DMDK_LEASE_RETRIES: sd.DEFAULT_LEASE_PARAMS[
                sd.DMDK_LEASE_RETRIES],
            DMDK_VGUUID: vgUUID,
            DMDK_LOGBLKSIZE: logBlkSize,
            DMDK_PHYBLKSIZE: phyBlkSize,
        }

        initialMetadata.update(mapping)

        md.update(initialMetadata)

        # Mark VG with Storage Domain Tag
        try:
            lvm.replaceVGTag(vgName, STORAGE_UNREADY_DOMAIN_TAG,
                             STORAGE_DOMAIN_TAG)
        except se.StorageException:
            raise se.VolumeGroupUninitialized(vgName)

        bsd = BlockStorageDomain(sdUUID)

        bsd.initSPMlease()

        return bsd
Exemplo n.º 5
0
    def create(cls, sdUUID, domainName, domClass, vgUUID, storageType,
               version):
        """ Create new storage domain
            'sdUUID' - Storage Domain UUID
            'domainName' - storage domain name
            'vgUUID' - volume group UUID
            'domClass' - Data/Iso
        """
        cls.log.info(
            "sdUUID=%s domainName=%s domClass=%s vgUUID=%s "
            "storageType=%s version=%s", sdUUID, domainName, domClass, vgUUID,
            storageType, version)

        if len(domainName) > sd.MAX_DOMAIN_DESCRIPTION_SIZE:
            raise se.StorageDomainDescriptionTooLongError()

        sd.validateDomainVersion(version)

        vg = lvm.getVGbyUUID(vgUUID)
        vgName = vg.name

        if set((STORAGE_UNREADY_DOMAIN_TAG, )) != set(vg.tags):
            raise se.VolumeGroupHasDomainTag(vgUUID)
        try:
            lvm.getLV(vgName)
            raise se.StorageDomainNotEmpty(vgUUID)
        except se.LogicalVolumeDoesNotExistError:
            pass

        numOfPVs = len(lvm.listPVNames(vgName))
        if version in VERS_METADATA_LV and numOfPVs > MAX_PVS:
            cls.log.debug("%d > %d", numOfPVs, MAX_PVS)
            raise se.StorageDomainIsMadeFromTooManyPVs()

        # Set the name of the VG to be the same as sdUUID
        if vgName != sdUUID:
            lvm.renameVG(vgName, sdUUID)
            vgName = sdUUID
        # Create metadata service volume
        metasize = cls.metaSize(vgName)
        lvm.createLV(vgName, sd.METADATA, "%s" % (metasize))
        # Create the mapping right now so the index 0 is guaranteed
        # to belong to the metadata volume. Since the metadata is at
        # least SDMETADATA/METASIZE units, we know we can use the first
        # SDMETADATA bytes of the metadata volume for the SD metadata.
        # pass metadata's dev to ensure it is the first mapping
        mapping = cls.getMetaDataMapping(vgName)

        # Create the rest of the BlockSD internal volumes
        lvm.createLV(vgName, sd.LEASES, sd.LEASES_SIZE)
        lvm.createLV(vgName, sd.IDS, sd.IDS_SIZE)
        lvm.createLV(vgName, sd.INBOX, sd.INBOX_SIZE)
        lvm.createLV(vgName, sd.OUTBOX, sd.OUTBOX_SIZE)
        lvm.createLV(vgName, MASTERLV, MASTERLV_SIZE)

        # Create VMS file system
        _createVMSfs(os.path.join("/dev", vgName, MASTERLV))

        lvm.deactivateLVs(vgName, MASTERLV)

        path = lvm.lvPath(vgName, sd.METADATA)

        # Zero out the metadata and special volumes before use
        try:
            misc.ddCopy("/dev/zero", path, RESERVED_METADATA_SIZE)
            path = lvm.lvPath(vgName, sd.INBOX)
            misc.ddCopy("/dev/zero", path, RESERVED_MAILBOX_SIZE)
            path = lvm.lvPath(vgName, sd.OUTBOX)
            misc.ddCopy("/dev/zero", path, RESERVED_MAILBOX_SIZE)
        except se.ActionStopped, e:
            raise e