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1 change: 1 addition & 0 deletions src/quota/__init__.py
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
"""Quota management."""
45 changes: 45 additions & 0 deletions src/quota/sql.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,45 @@
"""SQL commands used by quota management package."""

CREATE_QUOTA_TABLE = """
CREATE TABLE IF NOT EXISTS quota_limits (
id text NOT NULL,
subject char(1) NOT NULL,
quota_limit int NOT NULL,
available int,
updated_at timestamp with time zone,
revoked_at timestamp with time zone,
PRIMARY KEY(id, subject)
);
"""


INCREASE_QUOTA_STATEMENT_PG = """
UPDATE quota_limits
SET available=available+%s, revoked_at=NOW()
WHERE subject=%s
AND revoked_at < NOW() - INTERVAL %s ;
"""


INCREASE_QUOTA_STATEMENT_SQLITE = """
UPDATE quota_limits
SET available=available+?, revoked_at=datetime('now')
WHERE subject=?
AND revoked_at < datetime('now', ?);
"""


RESET_QUOTA_STATEMENT_PG = """
UPDATE quota_limits
SET available=%s, revoked_at=NOW()
WHERE subject=%s
AND revoked_at < NOW() - INTERVAL %s ;
"""


RESET_QUOTA_STATEMENT_SQLITE = """
UPDATE quota_limits
SET available=?, revoked_at=datetime('now')
WHERE subject=?
AND revoked_at < datetime('now', ?);
"""
53 changes: 8 additions & 45 deletions src/runners/quota_scheduler.py
Original file line number Diff line number Diff line change
Expand Up @@ -17,52 +17,15 @@
SQLiteDatabaseConfiguration,
)

logger = get_logger(__name__)

from quota.sql import (
CREATE_QUOTA_TABLE,
INCREASE_QUOTA_STATEMENT_PG,
INCREASE_QUOTA_STATEMENT_SQLITE,
RESET_QUOTA_STATEMENT_PG,
RESET_QUOTA_STATEMENT_SQLITE,
)

CREATE_QUOTA_TABLE = """
CREATE TABLE IF NOT EXISTS quota_limits (
id text NOT NULL,
subject char(1) NOT NULL,
quota_limit int NOT NULL,
available int,
updated_at timestamp with time zone,
revoked_at timestamp with time zone,
PRIMARY KEY(id, subject)
);
"""


INCREASE_QUOTA_STATEMENT_PG = """
UPDATE quota_limits
SET available=available+%s, revoked_at=NOW()
WHERE subject=%s
AND revoked_at < NOW() - INTERVAL %s ;
"""


INCREASE_QUOTA_STATEMENT_SQLITE = """
UPDATE quota_limits
SET available=available+?, revoked_at=datetime('now')
WHERE subject=?
AND revoked_at < datetime('now', ?);
"""


RESET_QUOTA_STATEMENT_PG = """
UPDATE quota_limits
SET available=%s, revoked_at=NOW()
WHERE subject=%s
AND revoked_at < NOW() - INTERVAL %s ;
"""


RESET_QUOTA_STATEMENT_SQLITE = """
UPDATE quota_limits
SET available=?, revoked_at=datetime('now')
WHERE subject=?
AND revoked_at < datetime('now', ?);
"""
logger = get_logger(__name__)


def quota_scheduler(config: QuotaHandlersConfiguration) -> bool:
Expand Down
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