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Add topologySpreadConstraints configuration to pod spec. (#2530)

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* Add topologySpreadConstraints configuration to pod spec.
* Run update-codegen.sh to add deepcopy for new field to the api.
* Reuse configured TopologySpreadConstraints for logical backup.
* Remove x-kubernetes-preserve-unknown-fields and XPreserveUnknownFields.
* Add topologySpreadConstraint example in the complete manifest.
* Add support for helm chart.
* Add documentation for topologySpreadConstraint.
* Update e2e test to patch topologySpreadConstraints into the postgresqls manifest.
* For e2e test, updated the PVC retention policy to remove redundant PVCs.
* Fix e2e test, expected PVC count in end-to-end test after config changes.
This commit is contained in:
laiminhtrung1997
2026-05-29 17:07:47 +02:00
committed by GitHub
parent 4d40270890
commit e871a167ed
11 changed files with 245 additions and 25 deletions
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pkg/apis/acid.zalan.do/v1/crds.go
+1
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@@ -56,6 +56,7 @@ var OperatorConfigCRDResourceColumns = []apiextv1.CustomResourceColumnDefinition
}
var min1 = 1.0
var minLength1 int64 = 1
var minDisable = -1.0
// OperatorConfigCRDResourceValidation to check applied manifest parameters
pkg/apis/acid.zalan.do/v1/postgresql_type.go
+12 -11
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@@ -92,17 +92,18 @@ type PostgresSpec struct {
Clone *CloneDescription `json:"clone,omitempty"`
// Note: usernames specified here as database owners must be declared
// in the users key of the spec key.
Databases map[string]string `json:"databases,omitempty"`
PreparedDatabases map[string]PreparedDatabase `json:"preparedDatabases,omitempty"`
SchedulerName *string `json:"schedulerName,omitempty"`
NodeAffinity *v1.NodeAffinity `json:"nodeAffinity,omitempty"`
Tolerations []v1.Toleration `json:"tolerations,omitempty"`
Sidecars []Sidecar `json:"sidecars,omitempty"`
InitContainers []v1.Container `json:"initContainers,omitempty"`
PodPriorityClassName string `json:"podPriorityClassName,omitempty"`
ShmVolume *bool `json:"enableShmVolume,omitempty"`
EnableLogicalBackup bool `json:"enableLogicalBackup,omitempty"`
LogicalBackupRetention string `json:"logicalBackupRetention,omitempty"`
Databases map[string]string `json:"databases,omitempty"`
PreparedDatabases map[string]PreparedDatabase `json:"preparedDatabases,omitempty"`
SchedulerName *string `json:"schedulerName,omitempty"`
NodeAffinity *v1.NodeAffinity `json:"nodeAffinity,omitempty"`
TopologySpreadConstraints []v1.TopologySpreadConstraint `json:"topologySpreadConstraints,omitempty"`
Tolerations []v1.Toleration `json:"tolerations,omitempty"`
Sidecars []Sidecar `json:"sidecars,omitempty"`
InitContainers []v1.Container `json:"initContainers,omitempty"`
PodPriorityClassName string `json:"podPriorityClassName,omitempty"`
ShmVolume *bool `json:"enableShmVolume,omitempty"`
EnableLogicalBackup bool `json:"enableLogicalBackup,omitempty"`
LogicalBackupRetention string `json:"logicalBackupRetention,omitempty"`
// +kubebuilder:validation:Pattern=`^(\d+|\*)(/\d+)?(\s+(\d+|\*)(/\d+)?){4}$`
LogicalBackupSchedule string `json:"logicalBackupSchedule,omitempty"`
StandbyCluster *StandbyDescription `json:"standby,omitempty"`
pkg/apis/acid.zalan.do/v1/zz_generated.deepcopy.go
+7
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@@ -801,6 +801,13 @@ func (in *PostgresSpec) DeepCopyInto(out *PostgresSpec) {
*out = new(corev1.NodeAffinity)
(*in).DeepCopyInto(*out)
}
if in.TopologySpreadConstraints != nil {
in, out := &in.TopologySpreadConstraints, &out.TopologySpreadConstraints
*out = make([]corev1.TopologySpreadConstraint, len(*in))
for i := range *in {
(*in)[i].DeepCopyInto(&(*out)[i])
}
}
if in.Tolerations != nil {
in, out := &in.Tolerations, &out.Tolerations
*out = make([]corev1.Toleration, len(*in))