1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
#!/usr/bin/python3
import asyncio
import os
import glob
import logging
import json
import asyncpg
import joblib.worker
source_db = {
"host": os.environ.get("POSTGRESQL_SOURCE_HOST") or "vaindock_postgres_raw",
"port": os.environ.get("POSTGRESQL_SOURCE_PORT") or 5532,
"user": os.environ.get("POSTGRESQL_SOURCE_USER") or "vainraw",
"password": os.environ.get("POSTGRESQL_SOURCE_PASSWORD") or "vainraw",
"database": os.environ.get("POSTGRESQL_SOURCE_DB") or "vainsocial-raw"
}
dest_db = {
"host": os.environ.get("POSTGRESQL_DEST_HOST") or "vaindock_postgres_web",
"port": os.environ.get("POSTGRESQL_DEST_PORT") or 5432,
"user": os.environ.get("POSTGRESQL_DEST_USER") or "vainweb",
"password": os.environ.get("POSTGRESQL_DEST_PASSWORD") or "vainweb",
"database": os.environ.get("POSTGRESQL_DEST_DB") or "vainsocial-web"
}
class Processor(joblib.worker.Worker):
def __init__(self, do_spider=False, do_analyze=False):
self._srcpool = None
self._destpool = None
self._queries = {}
super().__init__(jobtype="process")
self._do_spider = do_spider
self._do_analyze = do_analyze
async def connect(self, sourcea, desta):
"""Connect to database."""
logging.warning("connecting to database")
await super().connect(**sourcea)
self._srccon = await asyncpg.connect(**sourcea)
self._destcon = await asyncpg.connect(**desta)
async def setup(self):
"""Initialize the database."""
scriptroot = os.path.realpath(
os.path.join(os.getcwd(), os.path.dirname(__file__)))
for path in glob.glob(scriptroot + "/queries/*.sql"):
# utf-8-sig is used by pgadmin, doesn't hurt to specify
# file names: raw target table
table = os.path.splitext(os.path.basename(path))[0]
with open(path, "r", encoding="utf-8-sig") as file:
self._queries[table] = file.read()
logging.info("loaded query '%s'", table)
async def _windup(self):
self._srctr = self._srccon.transaction()
self._desttr = self._destcon.transaction()
await self._srctr.start()
await self._desttr.start()
self._compilejobs = []
self._analyzejobs = []
self._spiders = []
async def _teardown(self, failed):
if failed:
await self._srctr.rollback()
await self._desttr.rollback()
else:
await self._srctr.commit()
await self._desttr.commit()
self._compilejobs = list({
# uniquify
j["id"]: j for j in self._compilejobs
}.values())
await self._queue.request(
jobtype="compile",
payload=self._compilejobs)#,
# priority=priority) TODO
self._analyzejobs = list({
# uniquify
j["id"]: j for j in self._analyzejobs
}.values())
if self._do_analyze:
await self._queue.request(
jobtype="analyze",
payload=self._analyzejobs)
spiderjobs = [{
"region": s[0],
"params": {
"filter[playerNames]": s[1],
"filter[createdAt-start]": "2017-03-01T00:00:00Z"
}
} for s in self._spiders]
if self._do_spider:
await self._queue.request(
jobtype="grab",
payload=spiderjobs,
priority=1001)
async def _execute_job(self, jobid, payload, priority):
"""Finish a job."""
object_id = payload["id"]
explicit_player = payload["playername"]
# 1 object in raw : n objects in web
for table, query in self._queries.items():
logging.debug("%s: running '%s' query",
jobid, table)
# fetch from raw, converted to format for web table
# TODO refactor - duplicated messy code
if table == "player":
# upsert under special conditions
datas = await self._srccon.fetch(
query, object_id, explicit_player)
for data in datas:
try:
obj_id = await self._playerinto(
self._destcon, data, table,
data["name"] == explicit_player)
except asyncpg.exceptions.DeadlockDetectedError:
raise joblib.worker.JobFailed("deadlock")
logging.debug("record processed")
if obj_id:
# run web->web queries
payload = {
"type": table,
"id": obj_id
}
self._compilejobs.append(payload)
self._analyzejobs.append(payload)
if explicit_player != data["name"]:
self._spiders.append((data["shard_id"],
data["name"]))
else:
datas = await self._srccon.fetch(
query, object_id)
for data in datas:
# insert processed result into web table
try:
obj_id = await self._into(
self._destcon, data, table)
except asyncpg.exceptions.DeadlockDetectedError:
raise joblib.worker.JobFailed("deadlock")
logging.debug("record processed")
if obj_id:
# run web->web queries
payload = {
"type": table,
"id": obj_id
}
self._compilejobs.append(payload)
self._analyzejobs.append(payload)
await self._srccon.execute(
"DELETE FROM match WHERE id=$1", object_id)
async def _playerinto(self, conn, data, table, do_upsert_date):
"""Upsert a player named tuple into a table.
Return the object id."""
if do_upsert_date:
# explicit update for this player -> store
lmcd = data["last_match_created_date"]
data = dict(data)
del data["last_match_created_date"]
items = list(data.items())
keys, values = [x[0] for x in items], [x[1] for x in items]
placeholders = ["${}".format(i) for i, _ in enumerate(values, 1)]
# upsert all values except lmcd if they are more recent
query = """
INSERT INTO player ("{0}", "last_match_created_date")
VALUES ({1}, 'epoch'::timestamp)
ON CONFLICT("api_id") DO UPDATE SET ("{0}") = ({1})
WHERE player.played < EXCLUDED.played
RETURNING "api_id"
""".format(
"\", \"".join(keys), ", ".join(placeholders))
objid = await conn.fetchval(query, *data.values())
if do_upsert_date:
# upsert lmcd because it was an explicit request
await conn.execute("""
UPDATE player SET "last_match_created_date"=$2
WHERE player."api_id"=$1 AND
player."last_match_created_date" < $2
""", objid, lmcd)
return objid
async def _into(self, conn, data, table):
"""Insert a named tuple into a table.
Return the object id."""
items = list(data.items())
keys, values = [x[0] for x in items], [x[1] for x in items]
placeholders = ["${}".format(i) for i, _ in enumerate(values, 1)]
query = "INSERT INTO {} (\"{}\") VALUES ({}) ON CONFLICT DO NOTHING RETURNING api_id".format(
table, "\", \"".join(keys), ", ".join(placeholders))
logging.debug(query)
return await conn.fetchval(query, (*data))
async def startup():
for _ in range(2):
worker = Processor(
do_spider=os.environ.get("VAINSOCIAL_SPIDER")=="true",
do_analyze=os.environ.get("VAINSOCIAL_ANALYZE")=="true"
)
await worker.connect(
source_db, dest_db
)
await worker.setup()
await worker.start(batchlimit=50)
logging.basicConfig(
filename=os.path.realpath(
os.path.join(os.getcwd(),
os.path.dirname(__file__))) +
"/logs/processor.log",
filemode="a",
level=logging.DEBUG
)
console = logging.StreamHandler()
console.setLevel(logging.WARNING)
logging.getLogger("").addHandler(console)
loop = asyncio.get_event_loop()
loop.run_until_complete(startup())
loop.run_forever()
|
