def migrate(metrics=None):
""" Migrate _BACKLOG_DAYS worth of previously-collected tweets to the Taurus
non-metric-data RabbitMQ exchange.
:param metrics: optional sequence of metric names; if specified (not None),
the migration will be limited to tweets corresponding to the given metric
names.
"""
startingTimestamp = datetime.utcnow() - timedelta(days=_BACKLOG_DAYS)
sqlEngine = collectorsdb.engineFactory()
# Retrieve the first twitter samples sequence number in the desired range
# select min(seq) from twitter_tweet_samples where agg_ts >= startingTimestamp
@collectorsdb.retryOnTransientErrors
def queryMigrationRange():
sel = (sql.select(
[sql.func.count(),
sql.func.min(schema.twitterTweetSamples.c.seq),
sql.func.max(schema.twitterTweetSamples.c.seq)])
.where(schema.twitterTweetSamples.c.agg_ts >= startingTimestamp))
if metrics is not None:
sel = sel.where(schema.twitterTweetSamples.c.metric.in_(metrics))
return sqlEngine.execute(sel).first()
totalNumItems, minSeq, maxSeq = queryMigrationRange()
if totalNumItems == 0:
g_log.info("Nothing forwarded: no tweet samples found since %s UTC",
startingTimestamp.isoformat())
return
if metrics is None:
g_log.info("Starting migration of tweets from %s UTC; totalNumItems=%d; "
"minSeq=%s, maxSeq=%s",
startingTimestamp.isoformat(), totalNumItems, minSeq, maxSeq)
else:
g_log.info("Starting migration of tweets from %s UTC; totalNumItems=%d; "
"minSeq=%s, maxSeq=%s; metrics=%s",
startingTimestamp.isoformat(), totalNumItems, minSeq, maxSeq,
metrics)
# Retrieve and publish batches
totalNumPublished = 0
totalNumBatches = 0
batchMinSeq = minSeq
with MessageBusConnector() as messageBus:
while True:
batchEndSeq, batch = TweetForwarder.queryNonMetricTweetBatch(
sqlEngine=sqlEngine,
minSeq=batchMinSeq,
maxItems=200,
maxSeq=maxSeq,
metrics=metrics)
if batchEndSeq is None:
break
TweetForwarder.publishNonMetricTweetBatch(messageBus=messageBus,
batch=batch)
totalNumPublished += len(batch)
totalNumBatches += 1
g_log.debug("Published numItems=%d; batchMinSeq=%s; batchEndSeq=%s "
"(%d of %d: %s%%)",
len(batch), batchMinSeq, batchEndSeq,
totalNumPublished, totalNumItems,
int(float(totalNumPublished)/totalNumItems * 100))
if (totalNumBatches % 250) == 0 or totalNumPublished == totalNumItems:
# Progress report
g_log.info(
"Published %d of %d: %s%%",
totalNumPublished, totalNumItems,
int(float(totalNumPublished)/totalNumItems * 100))
# Prepare for next query
batchMinSeq = batchEndSeq + 1
g_log.info("Done publishing! publishedBatches=%d, publishedItems=%d, "
"expectedItems=%d; minSeq=%s, maxSeq=%s",
totalNumBatches, totalNumPublished,
totalNumItems, minSeq, maxSeq)
def migrate(metrics=None):
""" Migrate _BACKLOG_DAYS worth of previously-collected tweets to the Taurus
non-metric-data RabbitMQ exchange.
:param metrics: optional sequence of metric names; if specified (not None),
the migration will be limited to tweets corresponding to the given metric
names.
"""
startingTimestamp = datetime.utcnow() - timedelta(days=_BACKLOG_DAYS)
sqlEngine = collectorsdb.engineFactory()
# Retrieve the first twitter samples sequence number in the desired range
# select min(seq) from twitter_tweet_samples where agg_ts >= startingTimestamp
@collectorsdb.retryOnTransientErrors
def queryMigrationRange():
sel = (sql.select(
[sql.func.count(),
sql.func.min(schema.twitterTweetSamples.c.seq),
sql.func.max(schema.twitterTweetSamples.c.seq)])
.where(schema.twitterTweetSamples.c.agg_ts >= startingTimestamp))
if metrics is not None:
sel = sel.where(schema.twitterTweetSamples.c.metric.in_(metrics))
return sqlEngine.execute(sel).first()
totalNumItems, minSeq, maxSeq = queryMigrationRange()
if totalNumItems == 0:
g_log.info("Nothing forwarded: no tweet samples found since %s UTC",
startingTimestamp.isoformat())
return
if metrics is None:
g_log.info("Starting migration of tweets from %s UTC; totalNumItems=%d; "
"minSeq=%s, maxSeq=%s",
startingTimestamp.isoformat(), totalNumItems, minSeq, maxSeq)
else:
g_log.info("Starting migration of tweets from %s UTC; totalNumItems=%d; "
"minSeq=%s, maxSeq=%s; metrics=%s",
startingTimestamp.isoformat(), totalNumItems, minSeq, maxSeq,
metrics)
# Retrieve and publish batches
totalNumPublished = 0
totalNumBatches = 0
batchMinSeq = minSeq
with MessageBusConnector() as messageBus:
while True:
batchEndSeq, batch = TweetForwarder.queryNonMetricTweetBatch(
sqlEngine=sqlEngine,
minSeq=batchMinSeq,
maxItems=200,
maxSeq=maxSeq,
metrics=metrics)
if batchEndSeq is None:
break
TweetForwarder.publishNonMetricTweetBatch(messageBus=messageBus,
batch=batch)
totalNumPublished += len(batch)
totalNumBatches += 1
g_log.debug("Published numItems=%d; batchMinSeq=%s; batchEndSeq=%s "
"(%d of %d: %s%%)",
len(batch), batchMinSeq, batchEndSeq,
totalNumPublished, totalNumItems,
int(float(totalNumPublished)/totalNumItems * 100))
if (totalNumBatches % 250) == 0 or totalNumPublished == totalNumItems:
# Progress report
g_log.info(
"Published %d of %d: %s%%",
totalNumPublished, totalNumItems,
int(float(totalNumPublished)/totalNumItems * 100))
# Prepare for next query
batchMinSeq = batchEndSeq + 1
g_log.info("Done publishing! publishedBatches=%d, publishedItems=%d, "
"expectedItems=%d; minSeq=%s, maxSeq=%s",
totalNumBatches, totalNumPublished,
totalNumItems, minSeq, maxSeq)
def main():
"""
NOTE: main also serves as entry point for "console script" generated by setup
"""
logging_support.LoggingSupport.initTool()
_parseArgs()
startingTimestamp = datetime.utcnow() - timedelta(days=_BACKLOG_DAYS)
sqlEngine = collectorsdb.engineFactory()
# Retrieve the first twitter samples sequence number in the desired range
# select min(seq) from twitter_tweet_samples where agg_ts >= startingTimestamp
@collectorsdb.retryOnTransientErrors
def queryMigrationRange():
sel = sql.select(
[sql.func.count(),
sql.func.min(schema.twitterTweetSamples.c.seq),
sql.func.max(schema.twitterTweetSamples.c.seq)]
).where(schema.twitterTweetSamples.c.agg_ts >= startingTimestamp)
return sqlEngine.execute(sel).first()
totalNumItems, minSeq, maxSeq = queryMigrationRange()
if totalNumItems == 0:
g_log.info("Nothing forwarded: no tweet samples found since %s UTC",
startingTimestamp.isoformat())
return
g_log.info("Starting migration of tweets from %s UTC; totalNumItems=%d; "
"minSeq=%s, maxSeq=%s",
startingTimestamp.isoformat(), totalNumItems, minSeq, maxSeq)
# Retrieve and publish batches
totalNumPublished = 0
totalNumBatches = 0
batchMinSeq = minSeq
with MessageBusConnector() as messageBus:
while True:
batchEndSeq, batch = TweetForwarder.queryNonMetricTweetBatch(
sqlEngine=sqlEngine,
minSeq=batchMinSeq,
maxItems=200,
maxSeq=maxSeq)
if batchEndSeq is None:
break
TweetForwarder.publishNonMetricTweetBatch(messageBus=messageBus,
batch=batch)
totalNumPublished += len(batch)
totalNumBatches += 1
g_log.debug("Published numItems=%d; batchMinSeq=%s; batchEndSeq=%s "
"(%d of %d: %s%%)",
len(batch), batchMinSeq, batchEndSeq,
totalNumPublished, totalNumItems,
int(float(totalNumPublished)/totalNumItems * 100))
if (totalNumBatches % 250) == 0 or totalNumPublished == totalNumItems:
# Progress report
g_log.info(
"Published %d of %d: %s%%",
totalNumPublished, totalNumItems,
int(float(totalNumPublished)/totalNumItems * 100))
# Prepare for next query
batchMinSeq = batchEndSeq + 1
g_log.info("Done publishing! publishedBatches=%d, publishedItems=%d, "
"expectedItems=%d; minSeq=%s, maxSeq=%s",
totalNumBatches, totalNumPublished,
totalNumItems, minSeq, maxSeq)
def main():
"""
NOTE: main also serves as entry point for "console script" generated by setup
"""
logging_support.LoggingSupport.initTool()
_parseArgs()
startingTimestamp = datetime.utcnow() - timedelta(days=_BACKLOG_DAYS)
sqlEngine = collectorsdb.engineFactory()
# Retrieve the first twitter samples sequence number in the desired range
# select min(seq) from twitter_tweet_samples where agg_ts >= startingTimestamp
@collectorsdb.retryOnTransientErrors
def queryMigrationRange():
sel = sql.select([
sql.func.count(),
sql.func.min(schema.twitterTweetSamples.c.seq),
sql.func.max(schema.twitterTweetSamples.c.seq)
]).where(schema.twitterTweetSamples.c.agg_ts >= startingTimestamp)
return sqlEngine.execute(sel).first()
totalNumItems, minSeq, maxSeq = queryMigrationRange()
if totalNumItems == 0:
g_log.info("Nothing forwarded: no tweet samples found since %s UTC",
startingTimestamp.isoformat())
return
g_log.info(
"Starting migration of tweets from %s UTC; totalNumItems=%d; "
"minSeq=%s, maxSeq=%s", startingTimestamp.isoformat(), totalNumItems,
minSeq, maxSeq)
# Retrieve and publish batches
totalNumPublished = 0
totalNumBatches = 0
batchMinSeq = minSeq
with MessageBusConnector() as messageBus:
while True:
batchEndSeq, batch = TweetForwarder.queryNonMetricTweetBatch(
sqlEngine=sqlEngine,
minSeq=batchMinSeq,
maxItems=200,
maxSeq=maxSeq)
if batchEndSeq is None:
break
TweetForwarder.publishNonMetricTweetBatch(messageBus=messageBus,
batch=batch)
totalNumPublished += len(batch)
totalNumBatches += 1
g_log.debug(
"Published numItems=%d; batchMinSeq=%s; batchEndSeq=%s "
"(%d of %d: %s%%)", len(batch), batchMinSeq, batchEndSeq,
totalNumPublished, totalNumItems,
int(float(totalNumPublished) / totalNumItems * 100))
if (totalNumBatches %
250) == 0 or totalNumPublished == totalNumItems:
# Progress report
g_log.info("Published %d of %d: %s%%", totalNumPublished,
totalNumItems,
int(float(totalNumPublished) / totalNumItems * 100))
# Prepare for next query
batchMinSeq = batchEndSeq + 1
g_log.info(
"Done publishing! publishedBatches=%d, publishedItems=%d, "
"expectedItems=%d; minSeq=%s, maxSeq=%s", totalNumBatches,
totalNumPublished, totalNumItems, minSeq, maxSeq)
