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fix: create static pod folder #136

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Merged
bcho merged 1 commit into from
Apr 2, 2026
+17 −0
Merged

fix: create static pod folder #136

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17 changes: 17 additions & 0 deletions components/kubelet/v20260301/service.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import (
"context"
"embed"
"fmt"
"os"
"os/exec"
"text/template"

Expand All @@ -12,6 +13,7 @@ import (
"github.com/Azure/AKSFlexNode/components/api"
"github.com/Azure/AKSFlexNode/components/kubelet"
"github.com/Azure/AKSFlexNode/components/services/actions"
"github.com/Azure/AKSFlexNode/pkg/config"
"github.com/Azure/AKSFlexNode/pkg/systemd"
"github.com/Azure/AKSFlexNode/pkg/utils/utilpb"
)
Expand Down Expand Up @@ -55,6 +57,10 @@ func (s *startKubeletServiceAction) ApplyAction(
return nil, err
}

if err := s.ensureRuntimeFolders(); err != nil {
return nil, err
}

kubeletConfigUpdated, err := s.ensureKubeletConfig(spec)
if err != nil {
return nil, err
Expand Down Expand Up @@ -88,3 +94,14 @@ func (s *startKubeletServiceAction) systemPreflightCheck() error {

return nil
}

// ensureRuntimeFolders creates directories that must exist before kubelet
// starts but are not managed by kubelet itself.
func (s *startKubeletServiceAction) ensureRuntimeFolders() error {
// create static pod dir -- kubelet expects this directory to exist for --pod-manifest-path
// ref: https://github.com/kubernetes/kubernetes/blob/147a9ee31545188a1a53ad64ed12add16e95f04a/cmd/kubeadm/app/util/staticpod/utils.go#L191-L192
if err := os.MkdirAll(config.KubeletStaticPodPath, 0700); err != nil {
return fmt.Errorf("create runtime folder %q: %w", config.KubeletStaticPodPath, err)
}
return nil
}
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