Python replaceLVTag Examples

Example #1

File: blockVolume.py Project: gobindadas/vdsm

    def changeVolumeTag(self, tagPrefix, uuid):

        if tagPrefix not in sc.VOLUME_TAGS:
            raise se.LogicalVolumeWrongTagError(tagPrefix)

        oldTag = ""
        for tag in lvm.getLV(self.sdUUID, self.volUUID).tags:
            if tag.startswith(tagPrefix):
                oldTag = tag
                break

        if not oldTag:
            raise se.MissingTagOnLogicalVolume(self.volUUID, tagPrefix)

        newTag = tagPrefix + uuid
        if oldTag != newTag:
            lvm.replaceLVTag(self.sdUUID, self.volUUID, oldTag, newTag)

Example #2

File: blockVolume.py Project: nirs/vdsm

    def changeVolumeTag(self, tagPrefix, uuid):

        if tagPrefix not in sc.VOLUME_TAGS:
            raise se.LogicalVolumeWrongTagError(tagPrefix)

        oldTag = ""
        for tag in lvm.getLV(self.sdUUID, self.volUUID).tags:
            if tag.startswith(tagPrefix):
                oldTag = tag
                break

        if not oldTag:
            raise se.MissingTagOnLogicalVolume(self.volUUID, tagPrefix)

        newTag = tagPrefix + uuid
        if oldTag != newTag:
            lvm.replaceLVTag(self.sdUUID, self.volUUID, oldTag, newTag)