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kubernetes: add error when no pods available

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This prevents the fall-through to the panic from division by zero in the
modulus below, and presents a neater error to the user.

Signed-off-by: Justin Chadwell <me@jedevc.com>
This commit is contained in:
Justin Chadwell 2022-06-30 16:45:21 +01:00 committed by Justin Chadwell
parent 3cf549a7f7
commit d9ef9bec34
1 changed files with 4 additions and 0 deletions
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4
driver/kubernetes/podchooser/podchooser.go
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@ -6,6 +6,7 @@ import (
"sort"
"time"
"github.com/pkg/errors"
"github.com/serialx/hashring"
"github.com/sirupsen/logrus"
appsv1 "k8s.io/api/apps/v1"
@ -29,6 +30,9 @@ func (pc *RandomPodChooser) ChoosePod(ctx context.Context) (*corev1.Pod, error)
if err != nil {
return nil, err
}
if len(pods) == 0 {
return nil, errors.New("no running buildkit pods found")
}
randSource := pc.RandSource
if randSource == nil {
randSource = rand.NewSource(time.Now().Unix())