Exemplo n.º 1
0
 def get_iso_info(self, iso):
     iso_prefixes = ['/', 'http', 'https', 'ftp', 'ftps', 'tftp']
     if len(filter(iso.startswith, iso_prefixes)) == 0:
         raise InvalidParameter("KCHTMPL0006E", {'param': iso})
     try:
         iso_img = IsoImage(iso)
         return iso_img.probe()
     except IsoFormatError:
         raise InvalidParameter("KCHISO0001E", {'filename': iso})
Exemplo n.º 2
0
 def get_iso_info(self, iso):
     iso_prefixes = ['/', 'http', 'https', 'ftp', 'ftps', 'tftp']
     if len(filter(iso.startswith, iso_prefixes)) == 0:
         raise InvalidParameter("KCHTMPL0006E", {'param': iso})
     try:
         iso_img = IsoImage(iso)
         return iso_img.probe()
     except IsoFormatError:
         raise InvalidParameter("KCHISO0001E", {'filename': iso})
Exemplo n.º 3
0
 def get_iso_info(self, iso):
     iso_prefixes = ["/", "http", "https", "ftp", "ftps", "tftp"]
     if len(filter(iso.startswith, iso_prefixes)) == 0:
         raise InvalidParameter("KCHTMPL0006E", {"param": iso})
     try:
         iso_img = IsoImage(iso)
         return iso_img.probe()
     except IsoFormatError:
         raise InvalidParameter("KCHISO0001E", {"filename": iso})
Exemplo n.º 4
0
        def updater(iso_info):
            iso_name = os.path.basename(iso_info['path'])[:-3]

            duplicates = "%s/%s*" % (params['pool_path'], iso_name)
            for f in glob.glob(duplicates):
                iso_img = IsoImage(f)
                if (iso_info['distro'], iso_info['version']) == \
                   iso_img.probe():
                    return

            iso_path = iso_name + hashlib.md5(iso_info['path']).hexdigest() + \
                '.iso'
            link_name = os.path.join(params['pool_path'],
                                     os.path.basename(iso_path))
            os.symlink(iso_info['path'], link_name)
Exemplo n.º 5
0
        def updater(iso_info):
            iso_name = os.path.basename(iso_info['path'])[:-3]

            duplicates = '%s/%s*' % (params['pool_path'], iso_name)
            for f in glob.glob(duplicates):
                iso_img = IsoImage(f)
                if (iso_info['distro'],
                        iso_info['version']) == iso_img.probe():
                    return

            iso_path = (iso_name + hashlib.md5(
                iso_info['path'].encode('utf-8')).hexdigest() + '.iso')
            link_name = os.path.join(params['pool_path'],
                                     os.path.basename(iso_path))
            os.symlink(iso_info['path'], link_name)
Exemplo n.º 6
0
    def lookup(self, pool, name):
        vol = StorageVolumeModel.get_storagevolume(pool, name, self.conn)
        path = vol.path()
        info = vol.info()
        xml = vol.XMLDesc(0)
        try:
            fmt = xpath_get_text(xml, "/volume/target/format/@type")[0]
        except IndexError:
            # Not all types of libvirt storage can provide volume format
            # infomation. When there is no format information, we assume
            # it's 'raw'.
            fmt = 'raw'

        iso_img = None

        # 'raw' volumes from 'logical' pools may actually be 'iso';
        # libvirt always reports them as 'raw'
        pool_info = self.storagepool.lookup(pool)
        if pool_info['type'] == 'logical' and fmt == 'raw':
            try:
                iso_img = IsoImage(path)
            except IsoFormatError:
                # not 'iso' afterall
                pass
            else:
                fmt = 'iso'

        # 'raw' volumes can not be valid image disks (e.g. XML, PDF, TXT are
        # raw files), so it's necessary check the 'content' of them
        isvalid = True
        if fmt == 'raw':
            try:
                ms = magic.open(magic.NONE)
                ms.load()
                if ms.file(path).lower() not in VALID_RAW_CONTENT:
                    isvalid = False
                ms.close()
            except UnicodeDecodeError:
                isvalid = False

        used_by = get_disk_used_by(self.objstore, self.conn, path)
        res = dict(type=VOLUME_TYPE_MAP[info[0]],
                   capacity=info[1],
                   allocation=info[2],
                   path=path,
                   used_by=used_by,
                   format=fmt,
                   isvalid=isvalid)
        if fmt == 'iso':
            if os.path.islink(path):
                path = os.path.join(os.path.dirname(path), os.readlink(path))
            os_distro = os_version = 'unknown'
            try:
                if iso_img is None:
                    iso_img = IsoImage(path)
                os_distro, os_version = iso_img.probe()
                bootable = True
            except IsoFormatError:
                bootable = False
            res.update(
                dict(os_distro=os_distro, os_version=os_version, path=path,
                     bootable=bootable))
        return res
Exemplo n.º 7
0
    def lookup(self, pool, name):
        vol = StorageVolumeModel.get_storagevolume(pool, name, self.conn)
        path = vol.path()
        info = vol.info()
        xml = vol.XMLDesc(0)
        try:
            fmt = xpath_get_text(xml, '/volume/target/format/@type')[0]
        except IndexError:
            # Not all types of libvirt storage can provide volume format
            # infomation. When there is no format information, we assume
            # it's 'raw'.
            fmt = 'raw'

        iso_img = None

        # 'raw' volumes from 'logical' pools may actually be 'iso';
        # libvirt always reports them as 'raw'
        pool_info = self.storagepool.lookup(pool)
        if pool_info['type'] == 'logical' and fmt == 'raw':
            try:
                iso_img = IsoImage(path)
            except IsoFormatError:
                # not 'iso' afterall
                pass
            else:
                fmt = 'iso'

        # 'raw' volumes can not be valid image disks (e.g. XML, PDF, TXT are
        # raw files), so it's necessary check the 'content' of them
        isvalid = True
        if fmt == 'raw':
            # Check if file is a symlink to a real block device,
            # if so, don't check it's contents for validity
            if not os.path.islink(path):
                try:
                    ms = magic.open(magic.NONE)
                    ms.load()
                    if ms.file(path).lower() not in VALID_RAW_CONTENT:
                        isvalid = False
                    ms.close()
                except UnicodeDecodeError:
                    isvalid = False
            else:  # We are a symlink
                if '/dev/dm-' in os.path.realpath(path):
                    # This is most likely a real blockdevice
                    isvalid = True
                    wok_log.error('symlink detected, validated the disk')
                else:
                    # Doesn't point to a known blockdevice
                    isvalid = False

        used_by = get_disk_used_by(self.conn, path)
        if self.libvirt_user is None:
            self.libvirt_user = UserTests().probe_user()
        ret, _ = probe_file_permission_as_user(os.path.realpath(path),
                                               self.libvirt_user)
        res = dict(
            type=VOLUME_TYPE_MAP[info[0]],
            capacity=info[1],
            allocation=info[2],
            path=path,
            used_by=used_by,
            format=fmt,
            isvalid=isvalid,
            has_permission=ret,
        )
        if fmt == 'iso':
            if os.path.islink(path):
                path = os.path.join(os.path.dirname(path), os.readlink(path))
            os_distro = os_version = 'unknown'
            try:
                if iso_img is None:
                    iso_img = IsoImage(path)
                os_distro, os_version = iso_img.probe()
                bootable = True
            except IsoFormatError:
                bootable = False

            res.update(
                dict(
                    os_distro=os_distro,
                    os_version=os_version,
                    path=path,
                    bootable=bootable,
                ))
        return res
Exemplo n.º 8
0
    def lookup(self, pool, name):
        vol = StorageVolumeModel.get_storagevolume(pool, name, self.conn)
        path = vol.path()
        info = vol.info()
        xml = vol.XMLDesc(0)
        try:
            fmt = xpath_get_text(xml, '/volume/target/format/@type')[0]
        except IndexError:
            # Not all types of libvirt storage can provide volume format
            # infomation. When there is no format information, we assume
            # it's 'raw'.
            fmt = 'raw'

        iso_img = None

        # 'raw' volumes from 'logical' pools may actually be 'iso';
        # libvirt always reports them as 'raw'
        pool_info = self.storagepool.lookup(pool)
        if pool_info['type'] == 'logical' and fmt == 'raw':
            try:
                iso_img = IsoImage(path)
            except IsoFormatError:
                # not 'iso' afterall
                pass
            else:
                fmt = 'iso'

        # 'raw' volumes can not be valid image disks (e.g. XML, PDF, TXT are
        # raw files), so it's necessary check the 'content' of them
        isvalid = True
        if fmt == 'raw':
            # Check if file is a symlink to a real block device,
            # if so, don't check it's contents for validity
            if not os.path.islink(path):
                try:
                    ms = magic.open(magic.NONE)
                    ms.load()
                    if ms.file(path).lower() not in VALID_RAW_CONTENT:
                        isvalid = False
                    ms.close()
                except UnicodeDecodeError:
                    isvalid = False
            else:  # We are a symlink
                if '/dev/dm-' in os.path.realpath(path):
                    # This is most likely a real blockdevice
                    isvalid = True
                    wok_log.error('symlink detected, validated the disk')
                else:
                    # Doesn't point to a known blockdevice
                    isvalid = False

        used_by = get_disk_used_by(self.conn, path)
        if self.libvirt_user is None:
            self.libvirt_user = UserTests().probe_user()
        ret, _ = probe_file_permission_as_user(
            os.path.realpath(path), self.libvirt_user
        )
        res = dict(
            type=VOLUME_TYPE_MAP[info[0]],
            capacity=info[1],
            allocation=info[2],
            path=path,
            used_by=used_by,
            format=fmt,
            isvalid=isvalid,
            has_permission=ret,
        )
        if fmt == 'iso':
            if os.path.islink(path):
                path = os.path.join(os.path.dirname(path), os.readlink(path))
            os_distro = os_version = 'unknown'
            try:
                if iso_img is None:
                    iso_img = IsoImage(path)
                os_distro, os_version = iso_img.probe()
                bootable = True
            except IsoFormatError:
                bootable = False

            res.update(
                dict(
                    os_distro=os_distro,
                    os_version=os_version,
                    path=path,
                    bootable=bootable,
                )
            )
        return res