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casync: handle hash failure #25081

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Merged
merged 5 commits into from
Jul 8, 2022
Merged

casync: handle hash failure #25081

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5282491
casync: handle hashing failure due to IO errors
pd0wm Jul 8, 2022
5f15215
fix comment
pd0wm Jul 8, 2022
4e959d6
all exceptions
pd0wm Jul 8, 2022
3a58404
fix typo
pd0wm Jul 8, 2022
55d93df
Update system/hardware/tici/agnos.py
pd0wm Jul 8, 2022
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18 changes: 11 additions & 7 deletions system/hardware/tici/agnos.py
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Original file line number Diff line number Diff line change
Expand Up @@ -186,14 +186,18 @@ def extract_casync_image(target_slot_number: int, partition: dict, cloudlog):

sources: List[Tuple[str, casync.ChunkReader, casync.ChunkDict]] = []

# First source is the current partition. Index file for current version is provided in the manifest
raw_hash = get_raw_hash(seed_path, partition['size'])
caibx_url = f"{CAIBX_URL}{partition['name']}-{raw_hash}.caibx"
# First source is the current partition.
try:
cloudlog.info(f"casync fetching {caibx_url}")
sources += [('seed', casync.FileChunkReader(seed_path), casync.build_chunk_dict(casync.parse_caibx(caibx_url)))]
except requests.RequestException:
cloudlog.error(f"casync failed to load {caibx_url}")
raw_hash = get_raw_hash(seed_path, partition['size'])
caibx_url = f"{CAIBX_URL}{partition['name']}-{raw_hash}.caibx"

try:
cloudlog.info(f"casync fetching {caibx_url}")
sources += [('seed', casync.FileChunkReader(seed_path), casync.build_chunk_dict(casync.parse_caibx(caibx_url)))]
except requests.RequestException:
cloudlog.error(f"casync failed to load {caibx_url}")
except Exception:
cloudlog.exception("Failed to hash seed partition")

# Second source is the target partition, this allows for resuming
sources += [('target', casync.FileChunkReader(path), casync.build_chunk_dict(target))]
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