06bc4996a2
Verify the level 1 and level 1.5 GRUB2 bootloaders are as expected. Fixes #134. Signed-off-by: Tom Gundersen <teg@jklm.no>
122 lines
4.9 KiB
Python
122 lines
4.9 KiB
Python
|
|
import contextlib
|
|
import glob
|
|
import hashlib
|
|
import json
|
|
import os
|
|
import subprocess
|
|
import tempfile
|
|
import uuid
|
|
|
|
from . import osbuildtest
|
|
|
|
|
|
class TestAssemblers(osbuildtest.TestCase):
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
super().setUpClass()
|
|
subprocess.run(["modprobe", "nbd"], check=True)
|
|
|
|
def run_assembler(self, name, options):
|
|
with open("test/pipelines/f30-base.json") as f:
|
|
base = json.load(f)
|
|
pipeline = dict(base, assembler={ "name": name, "options": options })
|
|
return self.run_osbuild("-", json.dumps(pipeline))
|
|
|
|
def assertImageFile(self, filename, fmt, expected_size=None):
|
|
info = json.loads(subprocess.check_output(["qemu-img", "info", "--output", "json", filename]))
|
|
self.assertEqual(info["format"], fmt)
|
|
self.assertEqual(info["virtual-size"], expected_size)
|
|
|
|
def assertFilesystem(self, device, uuid, fstype, tree_id):
|
|
output = subprocess.check_output(["blkid", "--output", "export", device], encoding="utf-8")
|
|
blkid = dict(line.split("=") for line in output.strip().split("\n"))
|
|
self.assertEqual(blkid["UUID"], uuid)
|
|
self.assertEqual(blkid["TYPE"],fstype)
|
|
|
|
with mount(device) as target_tree:
|
|
tree = f"{self.store}/refs/{tree_id}"
|
|
diff = json.loads(subprocess.check_output(["./tree-diff", tree, target_tree]))
|
|
self.assertEqual(diff["added_files"], ["/lost+found"])
|
|
self.assertEqual(diff["deleted_files"], [])
|
|
self.assertEqual(diff["differences"], {})
|
|
|
|
def assertGRUB2(self, device, l1hash, l2hash, size):
|
|
m1 = hashlib.sha256()
|
|
m2 = hashlib.sha256()
|
|
with open(device, "rb") as d:
|
|
sectors = d.read(size)
|
|
self.assertEqual(len(sectors), size)
|
|
m1.update(sectors[:440])
|
|
m2.update(sectors[512:size])
|
|
self.assertEqual(m1.hexdigest(), l1hash)
|
|
self.assertEqual(m2.hexdigest(), l2hash)
|
|
|
|
def assertPartitionTable(self, device, label, uuid, n_partitions, boot_partition=None):
|
|
sfdisk = json.loads(subprocess.check_output(["sfdisk", "--json", device]))
|
|
ptable = sfdisk["partitiontable"]
|
|
|
|
self.assertEqual(ptable["label"], label)
|
|
self.assertEqual(ptable["id"][2:], uuid[:8])
|
|
self.assertEqual(len(ptable["partitions"]), n_partitions)
|
|
|
|
if boot_partition:
|
|
bootable = [p.get("bootable", False) for p in ptable["partitions"]]
|
|
self.assertEqual(bootable.count(True), 1)
|
|
self.assertEqual(bootable.index(True) + 1, boot_partition)
|
|
|
|
def test_rawfs(self):
|
|
options = {
|
|
"filename": "image.raw",
|
|
"root_fs_uuid": str(uuid.uuid4()),
|
|
"size": 2 * 1024 * 1024 * 1024
|
|
}
|
|
tree_id, output_id = self.run_assembler("org.osbuild.rawfs", options)
|
|
image = f"{self.store}/refs/{output_id}/image.raw"
|
|
self.assertImageFile(image, "raw", options["size"])
|
|
self.assertFilesystem(image, options["root_fs_uuid"], "ext4", tree_id)
|
|
|
|
def test_qemu(self):
|
|
for fmt in ["raw", "qcow2", "vmdk", "vdi"]:
|
|
with self.subTest(fmt=fmt):
|
|
options = {
|
|
"format": fmt,
|
|
"filename": f"image.{fmt}",
|
|
"ptuuid": str(uuid.uuid4()),
|
|
"root_fs_uuid": str(uuid.uuid4()),
|
|
"size": 2 * 1024 * 1024 * 1024
|
|
}
|
|
tree_id, output_id = self.run_assembler("org.osbuild.qemu", options)
|
|
image = f"{self.store}/refs/{output_id}/image.{fmt}"
|
|
self.assertImageFile(image, fmt, options["size"])
|
|
with nbd_connect(image) as device:
|
|
self.assertPartitionTable(device, "dos", options["ptuuid"], 1, boot_partition=1)
|
|
self.assertGRUB2(device,
|
|
"26e3327c6b5ac9b5e21d8b86f19ff7cb4d12fb2d0406713f936997d9d89de3ee",
|
|
"1ebb35399388ba4007cee817a066570db948c450da911a3db67dba8083be247d",
|
|
1024 * 1024)
|
|
self.assertFilesystem(device + "p1", options["root_fs_uuid"], "ext4", tree_id)
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def mount(device):
|
|
with tempfile.TemporaryDirectory() as mountpoint:
|
|
subprocess.run(["mount", "-o", "ro", device, mountpoint], check=True)
|
|
try:
|
|
yield mountpoint
|
|
finally:
|
|
subprocess.run(["umount", "--lazy", mountpoint], check=True)
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def nbd_connect(image):
|
|
for device in glob.glob("/dev/nbd*"):
|
|
r = subprocess.run(["qemu-nbd", "--connect", device, "--read-only", image], check=False).returncode
|
|
if r == 0:
|
|
try:
|
|
yield device
|
|
finally:
|
|
subprocess.run(["qemu-nbd", "--disconnect", device], check=True, stdout=subprocess.DEVNULL)
|
|
break
|
|
else:
|
|
raise RuntimeError("no free network block device")
|