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ethanndicksonethanndickson
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chore!: delete old connection events from audit log (#18735)
### Breaking change (changelog note): >With new connection events appearing in the Connection Log, connection events older than 90 days will now be deleted from the Audit Log. If you require this legacy data, we recommend querying it from the REST API or making a backup of the database/these events before upgrading your Coder deployment. Please see the PR for details on what exactly will be deleted. Of note is that there are currently no plans to delete connection events from the Connection Log. ### Context This is the fifth PR for moving connection events out of the audit log. In previous PRs: - **New** connection logs have been routed to the `connection_logs` table. They will *not* appear in the audit log. - These new connection logs are served from the new `/api/v2/connectionlog` endpoint. In this PR: - We'll now clean existing connection events out of the audit log, if they are older than 90 days, We do this in batches of 1000, every 10 minutes. The criteria for deletion is simple: ``` WHERE ( action = 'connect' OR action = 'disconnect' OR action = 'open' OR action = 'close' ) AND "time" < @before_time::timestamp with time zone ``` where `@before_time` is currently configured to 90 days in the past. Future PRs: - Write documentation for the endpoint / feature
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‎coderd/database/dbauthz/dbauthz.go

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@@ -1552,6 +1552,16 @@ func (q *querier) DeleteOAuth2ProviderAppTokensByAppAndUserID(ctx context.Contex
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return q.db.DeleteOAuth2ProviderAppTokensByAppAndUserID(ctx, arg)
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}
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1555+
func (q *querier) DeleteOldAuditLogConnectionEvents(ctx context.Context, threshold database.DeleteOldAuditLogConnectionEventsParams) error {
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// `ResourceSystem` is deprecated, but it doesn't make sense to add
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// `policy.ActionDelete` to `ResourceAuditLog`, since this is the one and
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// only time we'll be deleting from the audit log.
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if err := q.authorizeContext(ctx, policy.ActionDelete, rbac.ResourceSystem); err != nil {
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return err
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}
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return q.db.DeleteOldAuditLogConnectionEvents(ctx, threshold)
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}
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func (q *querier) DeleteOldNotificationMessages(ctx context.Context) error {
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if err := q.authorizeContext(ctx, policy.ActionDelete, rbac.ResourceNotificationMessage); err != nil {
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return err

‎coderd/database/dbauthz/dbauthz_test.go

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@@ -337,6 +337,10 @@ func (s *MethodTestSuite) TestAuditLogs() {
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_ = dbgen.AuditLog(s.T(), db, database.AuditLog{})
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check.Args(database.CountAuditLogsParams{}, emptyPreparedAuthorized{}).Asserts(rbac.ResourceAuditLog, policy.ActionRead)
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}))
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s.Run("DeleteOldAuditLogConnectionEvents", s.Subtest(func(db database.Store, check *expects) {
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_ = dbgen.AuditLog(s.T(), db, database.AuditLog{})
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check.Args(database.DeleteOldAuditLogConnectionEventsParams{}).Asserts(rbac.ResourceSystem, policy.ActionDelete)
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}))
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}
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func (s *MethodTestSuite) TestConnectionLogs() {

‎coderd/database/dbmetrics/querymetrics.go

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‎coderd/database/dbmock/dbmock.go

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‎coderd/database/dbpurge/dbpurge.go

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@@ -18,6 +18,11 @@ import (
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const (
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delay = 10 * time.Minute
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maxAgentLogAge = 7 * 24 * time.Hour
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// Connection events are now inserted into the `connection_logs` table.
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// We'll slowly remove old connection events from the `audit_logs` table,
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// but we won't touch the `connection_logs` table.
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maxAuditLogConnectionEventAge = 90 * 24 * time.Hour // 90 days
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auditLogConnectionEventBatchSize = 1000
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)
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// New creates a new periodically purging database instance.
@@ -63,6 +68,14 @@ func New(ctx context.Context, logger slog.Logger, db database.Store, clk quartz.
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return xerrors.Errorf("failed to delete old notification messages: %w", err)
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}
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deleteOldAuditLogConnectionEventsBefore := start.Add(-maxAuditLogConnectionEventAge)
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if err := tx.DeleteOldAuditLogConnectionEvents(ctx, database.DeleteOldAuditLogConnectionEventsParams{
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BeforeTime: deleteOldAuditLogConnectionEventsBefore,
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LimitCount: auditLogConnectionEventBatchSize,
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}); err != nil {
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return xerrors.Errorf("failed to delete old audit log connection events: %w", err)
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}
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logger.Debug(ctx, "purged old database entries", slog.F("duration", clk.Since(start)))
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return nil

‎coderd/database/dbpurge/dbpurge_test.go

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@@ -490,3 +490,148 @@ func containsProvisionerDaemon(daemons []database.ProvisionerDaemon, name string
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return d.Name == name
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})
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}
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//nolint:paralleltest // It uses LockIDDBPurge.
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func TestDeleteOldAuditLogConnectionEvents(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), testutil.WaitShort)
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defer cancel()
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clk := quartz.NewMock(t)
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now := dbtime.Now()
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afterThreshold := now.Add(-91 * 24 * time.Hour) // 91 days ago (older than 90 day threshold)
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beforeThreshold := now.Add(-30 * 24 * time.Hour) // 30 days ago (newer than 90 day threshold)
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closeBeforeThreshold := now.Add(-89 * 24 * time.Hour) // 89 days ago
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clk.Set(now).MustWait(ctx)
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db, _ := dbtestutil.NewDB(t, dbtestutil.WithDumpOnFailure())
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logger := slogtest.Make(t, &slogtest.Options{IgnoreErrors: true})
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user := dbgen.User(t, db, database.User{})
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org := dbgen.Organization(t, db, database.Organization{})
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oldConnectLog := dbgen.AuditLog(t, db, database.AuditLog{
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UserID: user.ID,
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OrganizationID: org.ID,
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Time: afterThreshold,
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Action: database.AuditActionConnect,
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ResourceType: database.ResourceTypeWorkspace,
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})
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oldDisconnectLog := dbgen.AuditLog(t, db, database.AuditLog{
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UserID: user.ID,
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OrganizationID: org.ID,
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Time: afterThreshold,
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Action: database.AuditActionDisconnect,
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ResourceType: database.ResourceTypeWorkspace,
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})
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oldOpenLog := dbgen.AuditLog(t, db, database.AuditLog{
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UserID: user.ID,
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OrganizationID: org.ID,
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Time: afterThreshold,
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Action: database.AuditActionOpen,
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ResourceType: database.ResourceTypeWorkspace,
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})
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oldCloseLog := dbgen.AuditLog(t, db, database.AuditLog{
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UserID: user.ID,
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OrganizationID: org.ID,
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Time: afterThreshold,
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Action: database.AuditActionClose,
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ResourceType: database.ResourceTypeWorkspace,
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})
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recentConnectLog := dbgen.AuditLog(t, db, database.AuditLog{
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UserID: user.ID,
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OrganizationID: org.ID,
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Time: beforeThreshold,
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Action: database.AuditActionConnect,
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ResourceType: database.ResourceTypeWorkspace,
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})
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oldNonConnectionLog := dbgen.AuditLog(t, db, database.AuditLog{
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UserID: user.ID,
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OrganizationID: org.ID,
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Time: afterThreshold,
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Action: database.AuditActionCreate,
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ResourceType: database.ResourceTypeWorkspace,
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})
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nearThresholdConnectLog := dbgen.AuditLog(t, db, database.AuditLog{
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UserID: user.ID,
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OrganizationID: org.ID,
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Time: closeBeforeThreshold,
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Action: database.AuditActionConnect,
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ResourceType: database.ResourceTypeWorkspace,
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})
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// Run the purge
568+
done := awaitDoTick(ctx, t, clk)
569+
closer := dbpurge.New(ctx, logger, db, clk)
570+
defer closer.Close()
571+
// Wait for tick
572+
testutil.TryReceive(ctx, t, done)
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// Verify results by querying all audit logs
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logs, err := db.GetAuditLogsOffset(ctx, database.GetAuditLogsOffsetParams{})
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require.NoError(t, err)
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// Extract log IDs for comparison
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logIDs := make([]uuid.UUID, len(logs))
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for i, log := range logs {
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logIDs[i] = log.AuditLog.ID
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}
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require.NotContains(t, logIDs, oldConnectLog.ID, "old connect log should be deleted")
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require.NotContains(t, logIDs, oldDisconnectLog.ID, "old disconnect log should be deleted")
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require.NotContains(t, logIDs, oldOpenLog.ID, "old open log should be deleted")
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require.NotContains(t, logIDs, oldCloseLog.ID, "old close log should be deleted")
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require.Contains(t, logIDs, recentConnectLog.ID, "recent connect log should be kept")
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require.Contains(t, logIDs, nearThresholdConnectLog.ID, "near threshold connect log should be kept")
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require.Contains(t, logIDs, oldNonConnectionLog.ID, "old non-connection log should be kept")
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}
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func TestDeleteOldAuditLogConnectionEventsLimit(t *testing.T) {
594+
t.Parallel()
595+
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ctx, cancel := context.WithTimeout(context.Background(), testutil.WaitShort)
597+
defer cancel()
598+
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db, _ := dbtestutil.NewDB(t, dbtestutil.WithDumpOnFailure())
600+
user := dbgen.User(t, db, database.User{})
601+
org := dbgen.Organization(t, db, database.Organization{})
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603+
now := dbtime.Now()
604+
threshold := now.Add(-90 * 24 * time.Hour)
605+
606+
for i := 0; i < 5; i++ {
607+
dbgen.AuditLog(t, db, database.AuditLog{
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UserID: user.ID,
609+
OrganizationID: org.ID,
610+
Time: threshold.Add(-time.Duration(i+1) * time.Hour),
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Action: database.AuditActionConnect,
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ResourceType: database.ResourceTypeWorkspace,
613+
})
614+
}
615+
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err := db.DeleteOldAuditLogConnectionEvents(ctx, database.DeleteOldAuditLogConnectionEventsParams{
617+
BeforeTime: threshold,
618+
LimitCount: 1,
619+
})
620+
require.NoError(t, err)
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logs, err := db.GetAuditLogsOffset(ctx, database.GetAuditLogsOffsetParams{})
623+
require.NoError(t, err)
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require.Len(t, logs, 4)
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err = db.DeleteOldAuditLogConnectionEvents(ctx, database.DeleteOldAuditLogConnectionEventsParams{
628+
BeforeTime: threshold,
629+
LimitCount: 100,
630+
})
631+
require.NoError(t, err)
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633+
logs, err = db.GetAuditLogsOffset(ctx, database.GetAuditLogsOffsetParams{})
634+
require.NoError(t, err)
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636+
require.Len(t, logs, 0)
637+
}

‎coderd/database/querier.go

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‎coderd/database/queries.sql.go

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‎coderd/database/queries/auditlogs.sql

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@@ -237,3 +237,19 @@ WHERE
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-- Authorize Filter clause will be injected below in CountAuthorizedAuditLogs
238238
-- @authorize_filter
239239
;
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-- name: DeleteOldAuditLogConnectionEvents :exec
242+
DELETE FROM audit_logs
243+
WHERE id IN (
244+
SELECT id FROM audit_logs
245+
WHERE
246+
(
247+
action = 'connect'
248+
OR action = 'disconnect'
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OR action = 'open'
250+
OR action = 'close'
251+
)
252+
AND "time" < @before_time::timestamp with time zone
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ORDER BY "time" ASC
254+
LIMIT @limit_count
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);

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