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sync.go
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sync.go
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package sidecar
import (
"context"
"github.com/pkg/errors"
"github.com/scylladb/scylla-operator/pkg/controller/cluster/util"
"github.com/scylladb/scylla-operator/pkg/naming"
"github.com/yanniszark/go-nodetool/nodetool"
corev1 "k8s.io/api/core/v1"
)
func (mc *MemberController) sync(ctx context.Context, memberService *corev1.Service) error {
// Check if member must decommission
if decommission, ok := memberService.Labels[naming.DecommissionLabel]; ok {
// Check if member has already decommissioned
if decommission == naming.LabelValueTrue {
return nil
}
// Else, decommission member
if err := mc.nodetool.Decommission(); err != nil {
mc.logger.Error(ctx, "Error during decommission", "error", errors.WithStack(err))
}
// Confirm memberService has been decommissioned
if opMode, err := mc.nodetool.OperationMode(); err != nil || opMode != nodetool.NodeOperationModeDecommissioned {
return errors.Wrapf(err, "error during decommission, operation mode: %s", opMode)
}
// Update Label to signal that decommission has completed
old := memberService.DeepCopy()
memberService.Labels[naming.DecommissionLabel] = naming.LabelValueTrue
if err := util.PatchService(old, memberService, mc.kubeClient); err != nil {
return errors.Wrap(err, "error patching MemberService")
}
}
return nil
}