def record_alarm_change(self, alarm_change):
"""Record alarm change event."""
alarm_change_dict = hbase_utils.serialize_entry(alarm_change)
ts = alarm_change.get('timestamp') or datetime.datetime.now()
rts = hbase_utils.timestamp(ts)
with self.conn_pool.connection() as conn:
alarm_history_table = conn.table(self.ALARM_HISTORY_TABLE)
alarm_history_table.put(
hbase_utils.prepare_key(alarm_change.get('alarm_id'), rts),
alarm_change_dict)
def record_alarm_change(self, alarm_change):
"""Record alarm change event."""
alarm_change_dict = hbase_utils.serialize_entry(alarm_change)
ts = alarm_change.get('timestamp') or datetime.datetime.now()
rts = hbase_utils.timestamp(ts)
with self.conn_pool.connection() as conn:
alarm_history_table = conn.table(self.ALARM_HISTORY_TABLE)
alarm_history_table.put(
hbase_utils.prepare_key(alarm_change.get('alarm_id'), rts),
alarm_change_dict)
def migrate_alarm_history_table(conn, table):
"""Migrate table 'alarm_h' in HBase.
Change row format from ""%s_%s" % alarm_id, rts,
to new separator format "%s:%s" % alarm_id, rts
"""
alarm_h_table = conn.table(table)
alarm_h_filter = "RowFilter(=, 'regexstring:\\w*_\\d{19}')"
gen = alarm_h_table.scan(filter=alarm_h_filter)
for row, data in gen:
row_parts = row.rsplit('_', 1)
alarm_h_table.put(hbase_utils.prepare_key(*row_parts), data)
alarm_h_table.delete(row)
def migrate_alarm_history_table(conn, table):
"""Migrate table 'alarm_h' in HBase.
Change row format from ""%s_%s" % alarm_id, rts,
to new separator format "%s:%s" % alarm_id, rts
"""
alarm_h_table = conn.table(table)
alarm_h_filter = "RowFilter(=, 'regexstring:\\w*_\\d{19}')"
gen = alarm_h_table.scan(filter=alarm_h_filter)
for row, data in gen:
row_parts = row.rsplit('_', 1)
alarm_h_table.put(hbase_utils.prepare_key(*row_parts), data)
alarm_h_table.delete(row)