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Fast resume from stopped #249

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2 changes: 2 additions & 0 deletions operator/pkg/apis/cassandra/v1beta1/cassandradatacenter_types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -256,6 +256,8 @@ type CassandraDatacenterSpec struct {
AdditionalSeeds []string `json:"additionalSeeds,omitempty"`

Reaper *ReaperConfig `json:"reaper,omitempty"`

FastResume bool `json:"fastResume,omitempty"`
}

type NetworkingConfig struct {
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16 changes: 16 additions & 0 deletions operator/pkg/reconciliation/reconcile_racks.go
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Original file line number Diff line number Diff line change
Expand Up @@ -530,6 +530,22 @@ func (rc *ReconciliationContext) CheckPodsReady(endpointData httphelper.CassMeta
return result.Continue()
}

if rc.Datacenter.Spec.FastResume {
fastResumedOne := false
for i := range rc.dcPods {
pod := rc.dcPods[i]
if isMgmtApiRunning(pod) && isServerReadyToStart(pod) {
if err := rc.startCassandra(endpointData, pod); err != nil {
return result.Error(err)
}
fastResumedOne = true
}
}
if fastResumedOne {
return result.RequeueSoon(10)
}
}

// all errors in this function we're going to treat as likely ephemeral problems that would resolve
// so we use ResultShouldRequeueSoon to check again soon

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