def check_pillows_for_rewind():
for pillow in get_couch_pillow_instances():
checkpoint = pillow.checkpoint
has_rewound, historical_seq = check_for_rewind(checkpoint)
if has_rewound:
notify_error(
message='Found seq number lower than previous for {}. '
'This could mean we are in a rewind state'.format(checkpoint.checkpoint_id),
details={
'pillow checkpoint seq': checkpoint.get_current_sequence_id(),
'stored seq': historical_seq
}
)
def check_pillows_for_rewind():
for pillow in get_couch_pillow_instances():
checkpoint = pillow.checkpoint
has_rewound, historical_seq = check_for_rewind(checkpoint)
if has_rewound:
notify_error(
message='Found seq number lower than previous for {}. '
'This could mean we are in a rewind state'.format(checkpoint.checkpoint_id),
details={
'pillow checkpoint seq': checkpoint.get_current_sequence_id(),
'stored seq': historical_seq
}
)
def pillow_seq_store():
for pillow in get_couch_pillow_instances():
checkpoint = pillow.checkpoint
store, created = PillowCheckpointSeqStore.objects.get_or_create(checkpoint_id=checkpoint.checkpoint_id)
db_seq = checkpoint.get_current_sequence_id()
store_seq = force_seq_int(store.seq) or 0
if not created and force_seq_int(db_seq) < store_seq - EPSILON:
notify_exception(
None,
message="Found seq number lower than previous for {}. "
"This could mean we are in a rewind state".format(store.checkpoint_id),
details={"pillow checkpoint seq": db_seq, "stored seq": store.seq},
)
else:
store.seq = db_seq
store.save()
def pillow_seq_store():
for pillow in get_couch_pillow_instances():
checkpoint = pillow.checkpoint
store, created = PillowCheckpointSeqStore.objects.get_or_create(
checkpoint_id=checkpoint.checkpoint_id)
db_seq = checkpoint.get_current_sequence_id()
store_seq = force_seq_int(store.seq) or 0
if not created and force_seq_int(db_seq) < store_seq - EPSILON:
notify_exception(
None,
message='Found seq number lower than previous for {}. '
'This could mean we are in a rewind state'.format(
store.checkpoint_id),
details={
'pillow checkpoint seq': db_seq,
'stored seq': store.seq
})
else:
store.seq = db_seq
store.save()