Fix port script after storage changes. Add very simple (off by default) curses UI to see progress.
Erik Johnston
parent
0ec346d942
commit
427bcb7608
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@ -20,38 +20,17 @@ from synapse.storage._base import LoggingTransaction, SQLBaseStore
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from synapse.storage.engines import create_engine
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import argparse
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import itertools
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import curses
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import logging
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import types
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import sys
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import time
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import traceback
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import yaml
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logger = logging.getLogger("port_from_sqlite_to_postgres")
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BINARY_COLUMNS = {
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"event_content_hashes": ["hash"],
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"event_reference_hashes": ["hash"],
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"event_signatures": ["signature"],
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"event_edge_hashes": ["hash"],
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"events": ["content", "unrecognized_keys"],
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"event_json": ["internal_metadata", "json"],
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"application_services_txns": ["event_ids"],
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"received_transactions": ["response_json"],
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"sent_transactions": ["response_json"],
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"server_tls_certificates": ["tls_certificate"],
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"server_signature_keys": ["verify_key"],
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"pushers": ["pushkey", "data"],
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"user_filters": ["filter_json"],
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}
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UNICODE_COLUMNS = {
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"events": ["content", "unrecognized_keys"],
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"event_json": ["internal_metadata", "json"],
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"users": ["password_hash"],
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}
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BOOLEAN_COLUMNS = {
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"events": ["processed", "outlier"],
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"rooms": ["is_public"],
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@ -91,7 +70,15 @@ APPEND_ONLY_TABLES = [
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]
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end_error_exec_info = None
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class Store(object):
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"""This object is used to pull out some of the convenience API from the
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Storage layer.
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*All* database interactions should go through this object.
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"""
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def __init__(self, db_pool, engine):
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self.db_pool = db_pool
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self.database_engine = engine
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@ -130,11 +117,14 @@ class Store(object):
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continue
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raise
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except Exception as e:
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logger.debug("[TXN FAIL] {%s}", desc, e)
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logger.debug("[TXN FAIL] {%s} %s", desc, e)
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raise
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return self.db_pool.runWithConnection(r)
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def execute(self, f):
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return self.runInteraction(f.__name__, f)
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def insert_many_txn(self, txn, table, headers, rows):
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sql = "INSERT INTO %s (%s) VALUES (%s)" % (
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table,
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@ -152,205 +142,435 @@ class Store(object):
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raise
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class Progress(object):
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"""Used to report progress of the port
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"""
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def __init__(self):
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self.tables = {}
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def chunks(n):
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for i in itertools.count(0, n):
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yield range(i, i+n)
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self.start_time = int(time.time())
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def add_table(self, table, cur, size):
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self.tables[table] = {
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"start": cur,
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"num_done": cur,
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"total": size,
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"perc": int(cur * 100 / size),
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}
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def update(self, table, num_done):
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data = self.tables[table]
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data["num_done"] = num_done
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data["perc"] = int(num_done * 100 / data["total"])
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def done(self):
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pass
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@defer.inlineCallbacks
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def handle_table(table, sqlite_store, postgres_store):
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if table in APPEND_ONLY_TABLES:
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# It's safe to just carry on inserting.
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next_chunk = yield postgres_store._simple_select_one_onecol(
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table="port_from_sqlite3",
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keyvalues={"table_name": table},
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retcol="rowid",
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allow_none=True,
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)
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class CursesProgress(Progress):
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"""Reports progress to a curses window
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"""
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def __init__(self, stdscr):
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self.stdscr = stdscr
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if next_chunk is None:
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yield postgres_store._simple_insert(
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table="port_from_sqlite3",
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values={"table_name": table, "rowid": 0}
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)
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curses.use_default_colors()
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curses.curs_set(0)
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next_chunk = 0
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else:
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def delete_all(txn):
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txn.execute(
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"DELETE FROM port_from_sqlite3 WHERE table_name = %s",
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(table,)
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)
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txn.execute("TRUNCATE %s CASCADE" % (table,))
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postgres_store._simple_insert_txn(
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txn,
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table="port_from_sqlite3",
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values={"table_name": table, "rowid": 0}
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)
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curses.init_pair(1, curses.COLOR_RED, -1)
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curses.init_pair(2, curses.COLOR_GREEN, -1)
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yield postgres_store.runInteraction(
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"delete_non_append_only", delete_all
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)
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self.last_update = 0
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next_chunk = 0
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self.finished = False
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logger.info("next_chunk for %s: %d", table, next_chunk)
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super(CursesProgress, self).__init__()
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N = 5000
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def update(self, table, num_done):
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super(CursesProgress, self).update(table, num_done)
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select = "SELECT rowid, * FROM %s WHERE rowid >= ? ORDER BY rowid LIMIT ?" % (table,)
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self.render()
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uni_col_names = UNICODE_COLUMNS.get(table, [])
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bool_col_names = BOOLEAN_COLUMNS.get(table, [])
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bin_col_names = BINARY_COLUMNS.get(table, [])
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def render(self, force=False):
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now = time.time()
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while True:
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def r(txn):
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txn.execute(select, (next_chunk, N,))
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rows = txn.fetchall()
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headers = [column[0] for column in txn.description]
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return headers, rows
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headers, rows = yield sqlite_store.runInteraction("select", r)
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logger.info("Got %d rows for %s", len(rows), table)
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if rows:
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uni_cols = [i for i, h in enumerate(headers) if h in uni_col_names]
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bool_cols = [i for i, h in enumerate(headers) if h in bool_col_names]
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bin_cols = [i for i, h in enumerate(headers) if h in bin_col_names]
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next_chunk = rows[-1][0] + 1
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def conv(j, col):
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if j in uni_cols:
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col = sqlite_store.database_engine.load_unicode(col)
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if j in bool_cols:
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return bool(col)
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if j in bin_cols:
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if isinstance(col, types.UnicodeType):
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col = buffer(col.encode("utf8"))
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return col
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for i, row in enumerate(rows):
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rows[i] = tuple(
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postgres_store.database_engine.encode_parameter(
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conv(j, col)
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)
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for j, col in enumerate(row)
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if j > 0
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)
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def ins(txn):
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postgres_store.insert_many_txn(txn, table, headers[1:], rows)
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postgres_store._simple_update_one_txn(
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txn,
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table="port_from_sqlite3",
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keyvalues={"table_name": table},
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updatevalues={"rowid": next_chunk},
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)
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yield postgres_store.runInteraction("insert_many", ins)
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else:
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if not force and now - self.last_update < 0.2:
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# reactor.callLater(1, self.render)
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return
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self.stdscr.clear()
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def setup_db(db_config, database_engine):
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db_conn = database_engine.module.connect(
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**{
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k: v for k, v in db_config.get("args", {}).items()
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if not k.startswith("cp_")
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}
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)
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rows, cols = self.stdscr.getmaxyx()
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database_engine.prepare_database(db_conn)
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duration = int(now) - int(self.start_time)
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db_conn.commit()
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minutes, seconds = divmod(duration, 60)
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duration_str = '%02dm %02ds' % (minutes, seconds,)
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@defer.inlineCallbacks
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def main(sqlite_config, postgress_config):
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try:
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sqlite_db_pool = adbapi.ConnectionPool(
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sqlite_config["name"],
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**sqlite_config["args"]
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)
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postgres_db_pool = adbapi.ConnectionPool(
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postgress_config["name"],
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**postgress_config["args"]
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)
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sqlite_engine = create_engine("sqlite3")
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postgres_engine = create_engine("psycopg2")
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sqlite_store = Store(sqlite_db_pool, sqlite_engine)
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postgres_store = Store(postgres_db_pool, postgres_engine)
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# Step 1. Set up databases.
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logger.info("Preparing sqlite database...")
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setup_db(sqlite_config, sqlite_engine)
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logger.info("Preparing postgres database...")
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setup_db(postgress_config, postgres_engine)
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# Step 2. Get tables.
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logger.info("Fetching tables...")
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tables = yield sqlite_store._simple_select_onecol(
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table="sqlite_master",
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keyvalues={
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"type": "table",
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},
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retcol="name",
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)
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logger.info("Found %d tables", len(tables))
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def create_port_table(txn):
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txn.execute(
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"CREATE TABLE port_from_sqlite3 ("
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" table_name varchar(100) NOT NULL UNIQUE,"
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" rowid bigint NOT NULL"
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")"
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if self.finished:
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status = "Time spent: %s (Done!)" % (duration_str,)
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else:
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min_perc = min(
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(v["num_done"] - v["start"]) * 100. / (v["total"] - v["start"])
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if v["total"] - v["start"] else 100
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for v in self.tables.values()
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)
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if min_perc > 0:
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est_remaining = (int(now) - self.start_time) * 100 / min_perc
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est_remaining_str = '%02dm %02ds remaining' % divmod(est_remaining, 60)
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else:
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est_remaining_str = "Unknown"
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status = (
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"Time spent: %s (est. remaining: %s)"
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% (duration_str, est_remaining_str,)
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)
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self.stdscr.addstr(
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0, 0,
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status,
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curses.A_BOLD,
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)
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max_len = max([len(t) for t in self.tables.keys()])
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left_margin = 5
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middle_space = 1
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items = self.tables.items()
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items.sort(
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key=lambda i: (i[1]["perc"], i[0]),
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)
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for i, (table, data) in enumerate(items):
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if i + 2 >= rows:
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break
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perc = data["perc"]
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color = curses.color_pair(2) if perc == 100 else curses.color_pair(1)
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self.stdscr.addstr(
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i+2, left_margin + max_len - len(table),
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table,
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curses.A_BOLD | color,
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)
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size = 20
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progress = "[%s%s]" % (
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"#" * int(perc*size/100),
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" " * (size - int(perc*size/100)),
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)
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self.stdscr.addstr(
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i+2, left_margin + max_len + middle_space,
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"%s %3d%% (%d/%d)" % (progress, perc, data["num_done"], data["total"]),
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)
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if self.finished:
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self.stdscr.addstr(
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self.rows-1, 0 ,
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"Press any key to exit...",
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)
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self.stdscr.refresh()
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self.last_update = time.time()
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def done(self):
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self.finished = True
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self.render(True)
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self.stdscr.getch()
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def on_prepare_sqlite(self):
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self.stdscr.clear()
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self.stdscr.addstr(
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0, 0,
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"Preparing SQLite database...",
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curses.A_BOLD,
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)
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self.stdscr.refresh()
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def on_prepare_postgres(self):
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self.stdscr.clear()
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self.stdscr.addstr(
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0, 0,
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"Preparing PostgreSQL database...",
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curses.A_BOLD,
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)
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self.stdscr.refresh()
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def fetching_tables(self):
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self.stdscr.clear()
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self.stdscr.addstr(
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0, 0,
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"Fetching tables...",
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curses.A_BOLD,
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)
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self.stdscr.refresh()
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def preparing_tables(self):
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self.stdscr.clear()
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self.stdscr.addstr(
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0, 0,
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"Preparing tables...",
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curses.A_BOLD,
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)
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self.stdscr.refresh()
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class TerminalProgress(Progress):
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"""Just prints progress to the terminal
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"""
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def update(self, table, num_done):
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super(TerminalProgress, self).update(table, num_done)
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data = self.tables[table]
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print "%s: %d%% (%d/%d)" % (
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table, data["perc"],
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data["num_done"], data["total"],
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)
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def on_prepare_sqlite(self):
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print "Preparing SQLite database..."
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def on_prepare_postgres(self):
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print "Preparing PostgreSQL database..."
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def fetching_tables(self):
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print "Fetching tables..."
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def preparing_tables(self):
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print "Preparing tables..."
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class Porter(object):
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def __init__(self, **kwargs):
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self.__dict__.update(kwargs)
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@defer.inlineCallbacks
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def handle_table(self, table):
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if table in APPEND_ONLY_TABLES:
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# It's safe to just carry on inserting.
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next_chunk = yield self.postgres_store._simple_select_one_onecol(
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table="port_from_sqlite3",
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keyvalues={"table_name": table},
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retcol="rowid",
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allow_none=True,
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)
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if next_chunk is None:
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yield self.postgres_store._simple_insert(
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table="port_from_sqlite3",
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values={"table_name": table, "rowid": 1}
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)
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next_chunk = 1
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else:
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def delete_all(txn):
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txn.execute(
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"DELETE FROM port_from_sqlite3 WHERE table_name = %s",
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(table,)
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)
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txn.execute("TRUNCATE %s CASCADE" % (table,))
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self.postgres_store._simple_insert_txn(
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txn,
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table="port_from_sqlite3",
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values={"table_name": table, "rowid": 0}
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)
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yield self.postgres_store.execute(delete_all)
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next_chunk = 1
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def get_table_size(txn):
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txn.execute("SELECT count(*) FROM %s" % (table,))
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size, = txn.fetchone()
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return int(size)
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table_size = yield self.sqlite_store.execute(get_table_size)
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postgres_size = yield self.postgres_store.execute(get_table_size)
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if not table_size:
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return
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self.progress.add_table(table, postgres_size, table_size)
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select = (
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"SELECT rowid, * FROM %s WHERE rowid >= ? ORDER BY rowid LIMIT ?"
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% (table,)
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)
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bool_col_names = BOOLEAN_COLUMNS.get(table, [])
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while True:
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def r(txn):
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txn.execute(select, (next_chunk, self.batch_size,))
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rows = txn.fetchall()
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headers = [column[0] for column in txn.description]
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return headers, rows
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headers, rows = yield self.sqlite_store.runInteraction("select", r)
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if rows:
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bool_cols = [
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i for i, h in enumerate(headers) if h in bool_col_names
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]
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next_chunk = rows[-1][0] + 1
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def conv(j, col):
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if j in bool_cols:
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return bool(col)
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return col
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for i, row in enumerate(rows):
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rows[i] = tuple(
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self.postgres_store.database_engine.encode_parameter(
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conv(j, col)
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)
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for j, col in enumerate(row)
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if j > 0
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)
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def insert(txn):
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self.postgres_store.insert_many_txn(
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txn, table, headers[1:], rows
|
||||
)
|
||||
|
||||
self.postgres_store._simple_update_one_txn(
|
||||
txn,
|
||||
table="port_from_sqlite3",
|
||||
keyvalues={"table_name": table},
|
||||
updatevalues={"rowid": next_chunk},
|
||||
)
|
||||
|
||||
yield self.postgres_store.execute(insert)
|
||||
|
||||
postgres_size += len(rows)
|
||||
|
||||
self.progress.update(table, postgres_size)
|
||||
else:
|
||||
return
|
||||
|
||||
def setup_db(self, db_config, database_engine):
|
||||
db_conn = database_engine.module.connect(
|
||||
**{
|
||||
k: v for k, v in db_config.get("args", {}).items()
|
||||
if not k.startswith("cp_")
|
||||
}
|
||||
)
|
||||
|
||||
database_engine.prepare_database(db_conn)
|
||||
|
||||
db_conn.commit()
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def run(self):
|
||||
try:
|
||||
yield postgres_store.runInteraction(
|
||||
"create_port_table", create_port_table
|
||||
sqlite_db_pool = adbapi.ConnectionPool(
|
||||
self.sqlite_config["name"],
|
||||
**self.sqlite_config["args"]
|
||||
)
|
||||
except Exception as e:
|
||||
logger.info("Failed to create port table: %s", e)
|
||||
|
||||
# Process tables.
|
||||
yield defer.gatherResults(
|
||||
[
|
||||
handle_table(table, sqlite_store, postgres_store)
|
||||
for table in tables
|
||||
if table not in ["schema_version", "applied_schema_deltas"]
|
||||
and not table.startswith("sqlite_")
|
||||
],
|
||||
consumeErrors=True,
|
||||
)
|
||||
postgres_db_pool = adbapi.ConnectionPool(
|
||||
self.postgres_config["name"],
|
||||
**self.postgres_config["args"]
|
||||
)
|
||||
|
||||
except:
|
||||
logger.exception("")
|
||||
finally:
|
||||
reactor.stop()
|
||||
sqlite_engine = create_engine("sqlite3")
|
||||
postgres_engine = create_engine("psycopg2")
|
||||
|
||||
self.sqlite_store = Store(sqlite_db_pool, sqlite_engine)
|
||||
self.postgres_store = Store(postgres_db_pool, postgres_engine)
|
||||
|
||||
# Step 1. Set up databases.
|
||||
self.progress.on_prepare_sqlite()
|
||||
self.setup_db(sqlite_config, sqlite_engine)
|
||||
|
||||
self.progress.on_prepare_postgres()
|
||||
self.setup_db(postgres_config, postgres_engine)
|
||||
|
||||
# Step 2. Get tables.
|
||||
self.progress.fetching_tables()
|
||||
sqlite_tables = yield self.sqlite_store._simple_select_onecol(
|
||||
table="sqlite_master",
|
||||
keyvalues={
|
||||
"type": "table",
|
||||
},
|
||||
retcol="name",
|
||||
)
|
||||
|
||||
postgres_tables = yield self.postgres_store._simple_select_onecol(
|
||||
table="information_schema.tables",
|
||||
keyvalues={
|
||||
"table_schema": "public",
|
||||
},
|
||||
retcol="distinct table_name",
|
||||
)
|
||||
|
||||
tables = set(sqlite_tables) & set(postgres_tables)
|
||||
|
||||
self.progress.preparing_tables()
|
||||
|
||||
logger.info("Found %d tables", len(tables))
|
||||
|
||||
def create_port_table(txn):
|
||||
txn.execute(
|
||||
"CREATE TABLE port_from_sqlite3 ("
|
||||
" table_name varchar(100) NOT NULL UNIQUE,"
|
||||
" rowid bigint NOT NULL"
|
||||
")"
|
||||
)
|
||||
|
||||
try:
|
||||
yield self.postgres_store.runInteraction(
|
||||
"create_port_table", create_port_table
|
||||
)
|
||||
except Exception as e:
|
||||
logger.info("Failed to create port table: %s", e)
|
||||
|
||||
# Process tables.
|
||||
yield defer.gatherResults(
|
||||
[
|
||||
self.handle_table(table)
|
||||
for table in tables
|
||||
if table not in ["schema_version", "applied_schema_deltas"]
|
||||
and not table.startswith("sqlite_")
|
||||
],
|
||||
consumeErrors=True,
|
||||
)
|
||||
|
||||
self.progress.done()
|
||||
except:
|
||||
global end_error_exec_info
|
||||
end_error_exec_info = sys.exc_info()
|
||||
logger.exception("")
|
||||
finally:
|
||||
reactor.stop()
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
parser = argparse.ArgumentParser()
|
||||
parser.add_argument("-v", action='store_true')
|
||||
parser.add_argument("--curses", action='store_true')
|
||||
parser.add_argument("--sqlite-database")
|
||||
parser.add_argument(
|
||||
"--postgres-config", type=argparse.FileType('r'),
|
||||
)
|
||||
|
||||
parser.add_argument("--batch-size", type=int, default=1000)
|
||||
|
||||
args = parser.parse_args()
|
||||
logging.basicConfig(level=logging.INFO)
|
||||
|
||||
|
||||
logging_config = {
|
||||
"level": logging.DEBUG if args.v else logging.INFO,
|
||||
"format": "%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(message)s"
|
||||
}
|
||||
|
||||
if args.curses:
|
||||
logging_config["filename"] = "port-synapse.log"
|
||||
|
||||
logging.basicConfig(**logging_config)
|
||||
|
||||
sqlite_config = {
|
||||
"name": "sqlite3",
|
||||
|
|
@ -364,10 +584,28 @@ if __name__ == "__main__":
|
|||
|
||||
postgres_config = yaml.safe_load(args.postgres_config)
|
||||
|
||||
reactor.callWhenRunning(
|
||||
main,
|
||||
sqlite_config=sqlite_config,
|
||||
postgres_config=postgres_config,
|
||||
)
|
||||
def start(stdscr=None):
|
||||
if stdscr:
|
||||
progress = CursesProgress(stdscr)
|
||||
else:
|
||||
progress = TerminalProgress()
|
||||
|
||||
reactor.run()
|
||||
porter = Porter(
|
||||
sqlite_config=sqlite_config,
|
||||
postgres_config=postgres_config,
|
||||
progress=progress,
|
||||
batch_size=args.batch_size,
|
||||
)
|
||||
|
||||
reactor.callWhenRunning(porter.run)
|
||||
|
||||
reactor.run()
|
||||
|
||||
if args.curses:
|
||||
curses.wrapper(start)
|
||||
else:
|
||||
start()
|
||||
|
||||
if end_error_exec_info:
|
||||
exc_type, exc_value, exc_traceback = end_error_exec_info
|
||||
traceback.print_exception(exc_type, exc_value, exc_traceback)
|
||||
|
|
|
|||
Loading…
Reference in New Issue