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fix: reduce excessive logging when database is unreachable (#17363)

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Fixes #17045

---------

Signed-off-by: Danny Kopping <dannykopping@gmail.com>
This commit is contained in:
Danny Kopping
2025-04-15 10:55:30 +02:00
committed by GitHub
parent 2f99d70640
commit 0b18e458f4
10 changed files with 160 additions and 20 deletions
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14
tailnet/controllers.go
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@ -2,6 +2,7 @@ package tailnet
import (
"context"
"errors"
"fmt"
"io"
"maps"
@ -21,11 +22,12 @@ import (
"tailscale.com/util/dnsname"
"cdr.dev/slog"
"github.com/coder/quartz"
"github.com/coder/retry"
"github.com/coder/coder/v2/coderd/util/ptr"
"github.com/coder/coder/v2/codersdk"
"github.com/coder/coder/v2/tailnet/proto"
"github.com/coder/quartz"
"github.com/coder/retry"
)
// A Controller connects to the tailnet control plane, and then uses the control protocols to
@ -1381,6 +1383,14 @@ func (c *Controller) Run(ctx context.Context) {
if xerrors.Is(err, context.Canceled) || xerrors.Is(err, context.DeadlineExceeded) {
return
}
// If the database is unreachable by the control plane, there's not much we can do, so we'll just retry later.
if errors.Is(err, codersdk.ErrDatabaseNotReachable) {
c.logger.Warn(c.ctx, "control plane lost connection to database, retrying",
slog.Error(err), slog.F("delay", fmt.Sprintf("%vms", retrier.Delay.Milliseconds())))
continue
}
errF := slog.Error(err)
var sdkErr *codersdk.Error
if xerrors.As(err, &sdkErr) {