Re: [Kimchi-devel] [PATCH v2] tests/iso_gen.py: adding fake bootable PowerPC ISO

There was no support for ppc fake ISOs in iso_gen.py, which led to several tests crashing in Power systems when the test tries to create a template with a fake Intel ISO. Signed-off-by: Daniel Henrique Barboza <dhbarboza82(a)gmail.com&gt; --- tests/iso_gen.py | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/tests/iso_gen.py b/tests/iso_gen.py index 34f091d..72b0290 100644 --- a/tests/iso_gen.py +++ b/tests/iso_gen.py @@ -17,6 +17,7 @@ # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +import platform import struct from kimchi.isoinfo import IsoImage @@ -57,6 +58,17 @@ iso_des = [ class FakeIsoImage(object): def _build_iso(self, fd, iso_volid, bootable): + if platform.machine().startswith('ppc'):

+ self._build_powerpc_bootable_iso(fd, iso_volid) + return + self._build_intel_iso(fd, iso_volid, bootable) + + def _build_powerpc_bootable_iso(self, fd, iso_volid): + self._build_prim_vol(fd, iso_volid) + self._build_bootable_ppc_path_table(fd) + + def _build_intel_iso(self, fd, iso_volid, bootable): + # Do not change the order of the method calls self._build_el_boot(fd, bootable) self._build_prim_vol(fd, iso_volid) self._build_el_torito(fd) @@ -125,6 +137,47 @@ class FakeIsoImage(object): s = 'a' * IsoImage.SECTOR_SIZE fd.write(s) + def _build_bootable_ppc_path_table(self, fd): + # write path table locator + PATH_TABLE_LOC_OFFSET = 16 * IsoImage.SECTOR_SIZE + 132 + PATH_TABLE_SIZE_LOC = struct.Struct("<I 4s I") + path_table_size = 64 + path_table_loc = 18 + fd.seek(PATH_TABLE_LOC_OFFSET) + fmt = PATH_TABLE_SIZE_LOC + data = (path_table_size, 4*'0', path_table_loc) + s = fmt.pack(*data) + fd.write(s) + # write path table entry + fd.seek(path_table_loc * IsoImage.SECTOR_SIZE) + DIR_NAMELEN_LOCATION_PARENT = struct.Struct("<B B I H 3s") + dir_struct_size = DIR_NAMELEN_LOCATION_PARENT.size + dir_namelen = 3 + dir_loc = 19 + dir_parent = 1 + dir_name = 'ppc' + data = (dir_namelen, 0, dir_loc, dir_parent, dir_name) + fmt = DIR_NAMELEN_LOCATION_PARENT + s = fmt.pack(*data) + fd.write(s) + # write 'ppc' dir record + ppc_dir_offset = dir_loc * IsoImage.SECTOR_SIZE + fd.seek(ppc_dir_offset) + STATIC_DIR_RECORD_FMT = struct.Struct("<B 9s I 11s B 6s B 12s") + dir_rec_len = 1 + unused1 = 9 * '0' + dir_size = 100 + unused2 = 11 * '0' + file_flags = 0 + unused3 = 6 * '0' + file_name_len = 12 + boot_file_name = "bootinfo.txt" + data = (dir_rec_len, unused1, dir_size, unused2, file_flags, + unused3, file_name_len, boot_file_name) + fmt = STATIC_DIR_RECORD_FMT + s = fmt.pack(*data) + fd.write(s) + def construct_fake_iso(path, bootable, version, distro): iso = FakeIsoImage()