microblog.pub/app/utils/stats.py
2022-07-08 21:17:08 +02:00

157 lines
4.6 KiB
Python

import asyncio
from dataclasses import dataclass
import humanize
from sqlalchemy import case
from sqlalchemy import func
from sqlalchemy import or_
from sqlalchemy import select
from tabulate import tabulate
from app import models
from app.config import ROOT_DIR
from app.database import AsyncSession
from app.database import async_session
from app.database import now
_DATA_DIR = ROOT_DIR / "data"
@dataclass
class DiskUsageStats:
data_dir_size: int
upload_dir_size: int
def get_disk_usage_stats() -> DiskUsageStats:
du_stats = DiskUsageStats(
data_dir_size=0,
upload_dir_size=0,
)
for f in _DATA_DIR.glob("**/*"):
if f.is_file():
stat = f.stat()
du_stats.data_dir_size += stat.st_size
if str(f.parent).endswith("/data/uploads"):
du_stats.upload_dir_size += stat.st_size
return du_stats
@dataclass
class OutgoingActivityStatsItem:
total_count: int
waiting_count: int
sent_count: int
errored_count: int
@dataclass
class OutgoingActivityStats:
total: OutgoingActivityStatsItem
from_inbox: OutgoingActivityStatsItem
from_outbox: OutgoingActivityStatsItem
async def get_outgoing_activity_stats(
db_session: AsyncSession,
) -> OutgoingActivityStats:
async def _get_stats(f) -> OutgoingActivityStatsItem:
row = (
await db_session.execute(
select(
func.count(models.OutgoingActivity.id).label("total_count"),
func.sum(
case(
[
(
or_(
models.OutgoingActivity.next_try > now(),
models.OutgoingActivity.tries == 0,
),
1,
),
],
else_=0,
)
).label("waiting_count"),
func.sum(
case(
[
(models.OutgoingActivity.is_sent.is_(True), 1),
],
else_=0,
)
).label("sent_count"),
func.sum(
case(
[
(models.OutgoingActivity.is_errored.is_(True), 1),
],
else_=0,
)
).label("errored_count"),
).where(f)
)
).one()
return OutgoingActivityStatsItem(**dict(row))
from_inbox = await _get_stats(models.OutgoingActivity.inbox_object_id.is_not(None))
from_outbox = await _get_stats(
models.OutgoingActivity.outbox_object_id.is_not(None)
)
return OutgoingActivityStats(
from_inbox=from_inbox,
from_outbox=from_outbox,
total=OutgoingActivityStatsItem(
total_count=from_inbox.total_count + from_outbox.total_count,
waiting_count=from_inbox.waiting_count + from_outbox.waiting_count,
sent_count=from_inbox.sent_count + from_outbox.sent_count,
errored_count=from_inbox.errored_count + from_outbox.errored_count,
),
)
def print_stats() -> None:
async def _get_stats():
async with async_session() as session:
dat = await get_outgoing_activity_stats(session)
return dat
outgoing_activity_stats = asyncio.run(_get_stats())
disk_usage_stats = get_disk_usage_stats()
print()
print(
tabulate(
[
(
"data/",
humanize.naturalsize(disk_usage_stats.data_dir_size),
),
(
"data/uploads/",
humanize.naturalsize(disk_usage_stats.upload_dir_size),
),
],
headers=["Disk usage", "size"],
)
)
print()
print(
tabulate(
[
(name, s.total_count, s.waiting_count, s.sent_count, s.errored_count)
for (name, s) in [
("total", outgoing_activity_stats.total),
("outbox", outgoing_activity_stats.from_outbox),
("forwarded", outgoing_activity_stats.from_inbox),
]
],
headers=["Outgoing activities", "total", "waiting", "sent", "errored"],
)
)
print()