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image-info: include partition label and uuid

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This commit is contained in:
Lars Karlitski 2019-09-30 18:04:48 +02:00 • committed by Tom Gundersen
parent 9867846ff4
commit 01b7402ce2
1 changed files with 18 additions and 10 deletions
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28
tools/image-info
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@ -38,6 +38,17 @@ def mount(device):
subprocess.run(["umount", "--lazy", mountpoint], check=True)
def parse_environment_vars(s):
r = {}
for line in s.split("\n"):
line = line.strip()
if not line:
continue
key, value = line.split("=")
r[key] = value.strip('"')
return r
def subprocess_check_output(argv, parse_fn=None):
output = subprocess.check_output(argv, encoding="utf-8")
return parse_fn(output) if parse_fn else output
@ -55,8 +66,12 @@ def read_partition_table(device):
partitions = []
for p in ptable["partitions"]:
blkid = subprocess_check_output(["blkid", "--output", "export", p["node"]], parse_environment_vars)
partitions.append({
"label": blkid.get("LABEL"), # doesn't exist for mbr
"type": p["type"],
"uuid": blkid["UUID"],
"fstype": blkid["TYPE"],
"bootable": p.get("bootable", False),
"start": p["start"] * 512,
"size": p["size"] * 512
@ -73,15 +88,6 @@ def read_bootloader_type(device):
return "unknown"
def read_os_release(tree):
r = {}
with open(f"{tree}/etc/os-release") as f:
for line in f:
key, value = line.strip().split("=")
r[key] = value.strip('"')
return r
def read_bls_conf(filename):
with open(filename) as f:
return dict(line.strip().split(" ", 1) for line in f)
@ -98,7 +104,9 @@ with nbd_connect(image) as device:
with mount(device + f"p{n}") as tree:
if os.path.exists(f"{tree}/etc/os-release"):
report["packages"] = sorted(subprocess_check_output(["rpm", "--root", tree, "-qa"], str.split))
report["os-release"] = read_os_release(tree)
with open(f"{tree}/etc/os-release") as f:
report["os-release"] = parse_environment_vars(f.read())
with open(f"{tree}/etc/fstab") as f:
report["fstab"] = sorted([line.split() for line in f.read().split("\n") if line and not line.startswith("#")])