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Merge 24724dc4ed into 1af4c50ed0

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RavinaChidambaram 2025-10-21 15:02:45 +02:00 committed by GitHub
parent 1af4c50ed0 24724dc4ed
commit faf21a5674
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10 changed files with 314 additions and 31 deletions
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2
manifests/minimal-postgres-manifest.yaml
View File

@ -2,6 +2,8 @@ apiVersion: "acid.zalan.do/v1"
kind: postgresql
metadata:
name: acid-minimal-cluster
labels:
cluster-name: acid-minimal-cluster
spec:
teamId: "acid"
volume:

35
manifests/postgresql.crd.yaml
View File

@ -20,6 +20,10 @@ spec:
storage: true
subresources:
status: {}
scale:
specReplicasPath: .spec.numberOfInstances
statusReplicasPath: .status.numberOfInstances
labelSelectorPath: .status.labelSelector
additionalPrinterColumns:
- name: Team
type: string
@ -51,7 +55,7 @@ spec:
- name: Status
type: string
description: Current sync status of postgresql resource
jsonPath: .status.PostgresClusterStatus
jsonPath: .status.postgresClusterStatus
schema:
openAPIV3Schema:
type: object
@ -684,5 +688,30 @@ spec:
type: integer
status:
type: object
additionalProperties:
type: string
properties:
postgresClusterStatus:
type: string
numberOfInstances:
format: int32
type: integer
labelSelector:
type: string
observedGeneration:
format: int64
type: integer
conditions:
type: array
items:
type: object
properties:
type:
type: string
status:
type: string
lastTransitionTime:
type: string
format: date-time
reason:
type: string
message:
type: string

64
pkg/apis/acid.zalan.do/v1/crds.go
View File

@ -23,6 +23,10 @@ const (
OperatorConfigCRDResourceList = OperatorConfigCRDResouceKind + "List"
OperatorConfigCRDResourceName = OperatorConfigCRDResourcePlural + "." + acidzalando.GroupName
OperatorConfigCRDResourceShort = "opconfig"
specReplicasPath = ".spec.numberOfInstances"
statusReplicasPath = ".status.numberOfInstances"
labelSelectorPath = ".status.labelSelector"
)
// PostgresCRDResourceColumns definition of AdditionalPrinterColumns for postgresql CRD
@ -72,7 +76,7 @@ var PostgresCRDResourceColumns = []apiextv1.CustomResourceColumnDefinition{
Name: "Status",
Type: "string",
Description: "Current sync status of postgresql resource",
JSONPath: ".status.PostgresClusterStatus",
JSONPath: ".status.postgresClusterStatus",
},
}
@ -1103,10 +1107,47 @@ var PostgresCRDResourceValidation = apiextv1.CustomResourceValidation{
},
"status": {
Type: "object",
AdditionalProperties: &apiextv1.JSONSchemaPropsOrBool{
Schema: &apiextv1.JSONSchemaProps{
Properties: map[string]apiextv1.JSONSchemaProps{
"postgresClusterStatus": {
Type: "string",
},
"numberOfInstances": {
Type: "integer",
Format: "int32",
},
"labelSelector": {
Type: "string",
},
"observedGeneration": {
Type: "integer",
Format: "int64",
},
"conditions": {
Type: "array",
Items: &apiextv1.JSONSchemaPropsOrArray{
Schema: &apiextv1.JSONSchemaProps{
Type: "object",
Properties: map[string]apiextv1.JSONSchemaProps{
"type": {
Type: "string",
},
"status": {
Type: "string",
},
"lastTransitionTime": {
Type: "string",
Format: "date-time",
},
"reason": {
Type: "string",
},
"message": {
Type: "string",
},
},
},
},
},
},
},
},
@ -1984,7 +2025,7 @@ var OperatorConfigCRDResourceValidation = apiextv1.CustomResourceValidation{
func buildCRD(name, kind, plural, list, short string,
categories []string,
columns []apiextv1.CustomResourceColumnDefinition,
validation apiextv1.CustomResourceValidation) *apiextv1.CustomResourceDefinition {
validation apiextv1.CustomResourceValidation, specReplicasPath string, statusReplicasPath string, labelSelectorPath string) *apiextv1.CustomResourceDefinition {
return &apiextv1.CustomResourceDefinition{
TypeMeta: metav1.TypeMeta{
APIVersion: fmt.Sprintf("%s/%s", apiextv1.GroupName, apiextv1.SchemeGroupVersion.Version),
@ -2011,6 +2052,11 @@ func buildCRD(name, kind, plural, list, short string,
Storage: true,
Subresources: &apiextv1.CustomResourceSubresources{
Status: &apiextv1.CustomResourceSubresourceStatus{},
Scale: &apiextv1.CustomResourceSubresourceScale{
SpecReplicasPath: specReplicasPath,
StatusReplicasPath: statusReplicasPath,
LabelSelectorPath: &labelSelectorPath,
},
},
AdditionalPrinterColumns: columns,
Schema: &validation,
@ -2029,7 +2075,10 @@ func PostgresCRD(crdCategories []string) *apiextv1.CustomResourceDefinition {
PostgresCRDResourceShort,
crdCategories,
PostgresCRDResourceColumns,
PostgresCRDResourceValidation)
PostgresCRDResourceValidation,
specReplicasPath,
statusReplicasPath,
labelSelectorPath)
}
// ConfigurationCRD returns CustomResourceDefinition built from OperatorConfigCRDResource
@ -2041,5 +2090,8 @@ func ConfigurationCRD(crdCategories []string) *apiextv1.CustomResourceDefinition
OperatorConfigCRDResourceShort,
crdCategories,
OperatorConfigCRDResourceColumns,
OperatorConfigCRDResourceValidation)
OperatorConfigCRDResourceValidation,
specReplicasPath,
statusReplicasPath,
labelSelectorPath)
}

42
pkg/apis/acid.zalan.do/v1/postgresql_type.go
View File

@ -3,6 +3,7 @@ package v1
// Postgres CRD definition, please use CamelCase for field names.
import (
"k8s.io/apimachinery/pkg/api/equality"
"time"
v1 "k8s.io/api/core/v1"
@ -226,9 +227,48 @@ type Sidecar struct {
// UserFlags defines flags (such as superuser, nologin) that could be assigned to individual users
type UserFlags []string
type Conditions []Condition
type PostgresqlConditionType string
type VolatileTime struct {
Inner metav1.Time `json:",inline"`
}
// MarshalJSON implements the json.Marshaler interface.
func (t VolatileTime) MarshalJSON() ([]byte, error) {
return t.Inner.MarshalJSON()
}
// UnmarshalJSON implements the json.Unmarshaller interface.
func (t *VolatileTime) UnmarshalJSON(b []byte) error {
return t.Inner.UnmarshalJSON(b)
}
func init() {
equality.Semantic.AddFunc(
// Always treat VolatileTime fields as equivalent.
func(VolatileTime, VolatileTime) bool {
return true
},
)
}
// Condition contains the conditions of the PostgreSQL cluster
type Condition struct {
Type PostgresqlConditionType `json:"type" description:"type of status condition"`
Status v1.ConditionStatus `json:"status" description:"status of the condition, one of True, False, Unknown"`
LastTransitionTime VolatileTime `json:"lastTransitionTime,omitempty" description:"last time the condition transit from one status to another"`
Reason string `json:"reason,omitempty" description:"one-word CamelCase reason for the condition's last transition"`
Message string `json:"message,omitempty" description:"human-readable message indicating details about last transition"`
}
// PostgresStatus contains status of the PostgreSQL cluster (running, creation failed etc.)
type PostgresStatus struct {
PostgresClusterStatus string `json:"PostgresClusterStatus"`
PostgresClusterStatus string `json:"postgresClusterStatus"`
NumberOfInstances int32 `json:"numberOfInstances"`
LabelSelector string `json:"labelSelector"`
ObservedGeneration int64 `json:"observedGeneration,omitempty"`
Conditions Conditions `json:"conditions,omitempty"`
}
// ConnectionPooler Options for connection pooler

4
pkg/apis/acid.zalan.do/v1/util.go
View File

@ -100,7 +100,3 @@ func (postgresStatus PostgresStatus) Running() bool {
func (postgresStatus PostgresStatus) Creating() bool {
return postgresStatus.PostgresClusterStatus == ClusterStatusCreating
}
func (postgresStatus PostgresStatus) String() string {
return postgresStatus.PostgresClusterStatus
}

65
pkg/apis/acid.zalan.do/v1/zz_generated.deepcopy.go
View File

@ -98,6 +98,45 @@ func (in *CloneDescription) DeepCopy() *CloneDescription {
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *Condition) DeepCopyInto(out *Condition) {
*out = *in
in.LastTransitionTime.DeepCopyInto(&out.LastTransitionTime)
return
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Condition.
func (in *Condition) DeepCopy() *Condition {
if in == nil {
return nil
}
out := new(Condition)
in.DeepCopyInto(out)
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in Conditions) DeepCopyInto(out *Conditions) {
{
in := &in
*out = make(Conditions, len(*in))
for i := range *in {
(*in)[i].DeepCopyInto(&(*out)[i])
}
return
}
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Conditions.
func (in Conditions) DeepCopy() Conditions {
if in == nil {
return nil
}
out := new(Conditions)
in.DeepCopyInto(out)
return *out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *ConnectionPooler) DeepCopyInto(out *ConnectionPooler) {
*out = *in
@ -897,6 +936,13 @@ func (in *PostgresSpec) DeepCopy() *PostgresSpec {
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *PostgresStatus) DeepCopyInto(out *PostgresStatus) {
*out = *in
if in.Conditions != nil {
in, out := &in.Conditions, &out.Conditions
*out = make(Conditions, len(*in))
for i := range *in {
(*in)[i].DeepCopyInto(&(*out)[i])
}
}
return
}
@ -1058,7 +1104,7 @@ func (in *Postgresql) DeepCopyInto(out *Postgresql) {
out.TypeMeta = in.TypeMeta
in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
in.Spec.DeepCopyInto(&out.Spec)
out.Status = in.Status
in.Status.DeepCopyInto(&out.Status)
return
}
@ -1469,6 +1515,23 @@ func (in UserFlags) DeepCopy() UserFlags {
return *out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *VolatileTime) DeepCopyInto(out *VolatileTime) {
*out = *in
in.Inner.DeepCopyInto(&out.Inner)
return
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new VolatileTime.
func (in *VolatileTime) DeepCopy() *VolatileTime {
if in == nil {
return nil
}
out := new(VolatileTime)
in.DeepCopyInto(out)
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *Volume) DeepCopyInto(out *Volume) {
*out = *in

13
pkg/cluster/cluster.go
View File

@ -276,10 +276,10 @@ func (c *Cluster) Create() (err error) {
errStatus error
)
if err == nil {
pgUpdatedStatus, errStatus = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusRunning) //TODO: are you sure it's running?
pgUpdatedStatus, errStatus = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusRunning, c.OpConfig.ClusterNameLabel,"") //TODO: are you sure it's running?
} else {
c.logger.Warningf("cluster created failed: %v", err)
pgUpdatedStatus, errStatus = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusAddFailed)
pgUpdatedStatus, errStatus = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusAddFailed, c.OpConfig.ClusterNameLabel, err.Error())
}
if errStatus != nil {
c.logger.Warningf("could not set cluster status: %v", errStatus)
@ -289,7 +289,7 @@ func (c *Cluster) Create() (err error) {
}
}()
pgCreateStatus, err = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusCreating)
pgCreateStatus, err = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusCreating, c.OpConfig.ClusterNameLabel, "")
if err != nil {
return fmt.Errorf("could not set cluster status: %v", err)
}
@ -977,12 +977,13 @@ func (c *Cluster) Update(oldSpec, newSpec *acidv1.Postgresql) error {
c.mu.Lock()
defer c.mu.Unlock()
c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusUpdating)
c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusUpdating, c.OpConfig.ClusterNameLabel, "")
if !isInMaintenanceWindow(newSpec.Spec.MaintenanceWindows) {
// do not apply any major version related changes yet
newSpec.Spec.PostgresqlParam.PgVersion = oldSpec.Spec.PostgresqlParam.PgVersion
}
c.setSpec(newSpec)
defer func() {
@ -991,9 +992,9 @@ func (c *Cluster) Update(oldSpec, newSpec *acidv1.Postgresql) error {
err error
)
if updateFailed {
pgUpdatedStatus, err = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusUpdateFailed)
pgUpdatedStatus, err = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusUpdateFailed, c.OpConfig.ClusterNameLabel, err.Error())
} else {
pgUpdatedStatus, err = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusRunning)
pgUpdatedStatus, err = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusRunning, c.OpConfig.ClusterNameLabel, "")
}
if err != nil {
c.logger.Warningf("could not set cluster status: %v", err)

4
pkg/cluster/sync.go
View File

@ -49,9 +49,9 @@ func (c *Cluster) Sync(newSpec *acidv1.Postgresql) error {
)
if err != nil {
c.logger.Warningf("error while syncing cluster state: %v", err)
pgUpdatedStatus, errStatus = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusSyncFailed)
pgUpdatedStatus, errStatus = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusSyncFailed, c.OpConfig.ClusterNameLabel, err.Error())
} else if !c.Status.Running() {
pgUpdatedStatus, errStatus = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusRunning)
pgUpdatedStatus, errStatus = c.KubeClient.SetPostgresCRDStatus(c.clusterName(), acidv1.ClusterStatusRunning, c.OpConfig.ClusterNameLabel, "")
}
if errStatus != nil {
c.logger.Warningf("could not set cluster status: %v", errStatus)

13
pkg/controller/postgresql.go
View File

@ -161,7 +161,7 @@ func (c *Controller) acquireInitialListOfClusters() error {
func (c *Controller) addCluster(lg *logrus.Entry, clusterName spec.NamespacedName, pgSpec *acidv1.Postgresql) (*cluster.Cluster, error) {
if c.opConfig.EnableTeamIdClusternamePrefix {
if _, err := acidv1.ExtractClusterName(clusterName.Name, pgSpec.Spec.TeamID); err != nil {
c.KubeClient.SetPostgresCRDStatus(clusterName, acidv1.ClusterStatusInvalid)
c.KubeClient.SetPostgresCRDStatus(clusterName, acidv1.ClusterStatusInvalid, c.opConfig.ClusterNameLabel, err.Error())
return nil, err
}
}
@ -207,10 +207,10 @@ func (c *Controller) processEvent(event ClusterEvent) {
if event.EventType == EventRepair {
runRepair, lastOperationStatus := cl.NeedsRepair()
if !runRepair {
lg.Debugf("observed cluster status %s, repair is not required", lastOperationStatus)
lg.Debugf("observed cluster status %#v, repair is not required", lastOperationStatus)
return
}
lg.Debugf("observed cluster status %s, running sync scan to repair the cluster", lastOperationStatus)
lg.Debugf("observed cluster status %#v, running sync scan to repair the cluster", lastOperationStatus)
event.EventType = EventSync
}
@ -467,16 +467,15 @@ func (c *Controller) queueClusterEvent(informerOldSpec, informerNewSpec *acidv1.
if clusterError != "" && eventType != EventDelete {
c.logger.WithField("cluster-name", clusterName).Debugf("skipping %q event for the invalid cluster: %s", eventType, clusterError)
switch eventType {
case EventAdd:
c.KubeClient.SetPostgresCRDStatus(clusterName, acidv1.ClusterStatusAddFailed)
c.KubeClient.SetPostgresCRDStatus(clusterName, acidv1.ClusterStatusAddFailed, c.opConfig.ClusterNameLabel, clusterError)
c.eventRecorder.Eventf(c.GetReference(informerNewSpec), v1.EventTypeWarning, "Create", "%v", clusterError)
case EventUpdate:
c.KubeClient.SetPostgresCRDStatus(clusterName, acidv1.ClusterStatusUpdateFailed)
c.KubeClient.SetPostgresCRDStatus(clusterName, acidv1.ClusterStatusUpdateFailed, c.opConfig.ClusterNameLabel, clusterError)
c.eventRecorder.Eventf(c.GetReference(informerNewSpec), v1.EventTypeWarning, "Update", "%v", clusterError)
default:
c.KubeClient.SetPostgresCRDStatus(clusterName, acidv1.ClusterStatusSyncFailed)
c.KubeClient.SetPostgresCRDStatus(clusterName, acidv1.ClusterStatusSyncFailed, c.opConfig.ClusterNameLabel, clusterError)
c.eventRecorder.Eventf(c.GetReference(informerNewSpec), v1.EventTypeWarning, "Sync", "%v", clusterError)
}

103
pkg/util/k8sutil/k8sutil.go
View File

@ -3,6 +3,7 @@ package k8sutil
import (
"context"
"fmt"
"time"
b64 "encoding/base64"
"encoding/json"
@ -191,9 +192,20 @@ func NewFromConfig(cfg *rest.Config) (KubernetesClient, error) {
}
// SetPostgresCRDStatus of Postgres cluster
func (client *KubernetesClient) SetPostgresCRDStatus(clusterName spec.NamespacedName, status string) (*apiacidv1.Postgresql, error) {
func (client *KubernetesClient) SetPostgresCRDStatus(clusterName spec.NamespacedName, status string, clusterNameLabel string, message string) (*apiacidv1.Postgresql, error) {
var pg *apiacidv1.Postgresql
var pgStatus apiacidv1.PostgresStatus
pg, err := client.PostgresqlsGetter.Postgresqls(clusterName.Namespace).Get(context.TODO(), clusterName.Name, metav1.GetOptions{})
if err != nil {
return nil, fmt.Errorf("could not fetch Postgres CR %s/%s: %v", clusterName.Namespace, clusterName.Name, err)
}
pgStatus = updateConditions(pg, status, message)
if pgStatus.LabelSelector == "" {
pgStatus.LabelSelector = fmt.Sprintf("%s=%s", clusterNameLabel, pg.Name)
}
pgStatus.PostgresClusterStatus = status
patch, err := json.Marshal(struct {
@ -216,6 +228,95 @@ func (client *KubernetesClient) SetPostgresCRDStatus(clusterName spec.Namespaced
return pg, nil
}
func updateConditions(existingPg *apiacidv1.Postgresql, currentStatus string, message string) apiacidv1.PostgresStatus {
now := apiacidv1.VolatileTime{Inner: metav1.NewTime(time.Now())}
existingStatus := existingPg.Status
existingConditions := existingStatus.Conditions
var readyCondition, reconciliationCondition *apiacidv1.Condition
// Find existing conditions
for i := range existingConditions {
if existingConditions[i].Type == "Ready" {
readyCondition = &existingConditions[i]
} else if existingConditions[i].Type == "ReconciliationSuccessful" {
reconciliationCondition = &existingConditions[i]
}
}
// Safety checks to avoid nil pointer dereference
if readyCondition == nil {
readyCondition = &apiacidv1.Condition{Type: "Ready"}
existingConditions = append(existingConditions, *readyCondition)
}
if reconciliationCondition == nil {
reconciliationCondition = &apiacidv1.Condition{Type: "ReconciliationSuccessful"}
existingConditions = append(existingConditions, *reconciliationCondition)
}
// Update Ready condition
switch currentStatus {
case "Running":
readyCondition.Status = v1.ConditionTrue
readyCondition.LastTransitionTime = now
existingPg.Status.NumberOfInstances = existingPg.Spec.NumberOfInstances
existingPg.Status.ObservedGeneration = existingPg.Generation
case "CreateFailed":
readyCondition.Status = v1.ConditionFalse
readyCondition.LastTransitionTime = now
existingPg.Status.NumberOfInstances = 0
existingPg.Status.ObservedGeneration = 0
case "UpdateFailed", "SyncFailed", "Invalid":
if readyCondition.Status == v1.ConditionFalse {
readyCondition.LastTransitionTime = now
existingPg.Status.NumberOfInstances = existingStatus.NumberOfInstances
existingPg.Status.ObservedGeneration = existingStatus.ObservedGeneration
}
case "Updating":
existingPg.Status.NumberOfInstances = existingStatus.NumberOfInstances
existingPg.Status.ObservedGeneration = existingStatus.ObservedGeneration
// not updating time, just setting the status
if readyCondition.Status == v1.ConditionFalse {
readyCondition.Status = v1.ConditionFalse
} else {
readyCondition.Status = v1.ConditionTrue
}
}
// Update ReconciliationSuccessful condition
reconciliationCondition.LastTransitionTime = now
reconciliationCondition.Message = message
if currentStatus == "Running" {
reconciliationCondition.Status = v1.ConditionTrue
reconciliationCondition.Reason = ""
} else {
reconciliationCondition.Status = v1.ConditionFalse
reconciliationCondition.Reason = currentStatus
}
// Directly modify elements in the existingConditions slice
for i := range existingConditions {
if existingConditions[i].Type == "Ready" && readyCondition != nil {
existingConditions[i] = *readyCondition
} else if existingConditions[i].Type == "ReconciliationSuccessful" && reconciliationCondition != nil {
existingConditions[i] = *reconciliationCondition
}
}
if currentStatus == "Creating" {
existingPg.Status.NumberOfInstances = 0
existingPg.Status.ObservedGeneration = 0
for i := range existingConditions {
if existingConditions[i].Type == "Ready" {
existingConditions = append(existingConditions[:i], existingConditions[i+1:]...)
break
}
}
}
existingPg.Status.Conditions = existingConditions
return existingPg.Status
}
// SetFinalizer of Postgres cluster
func (client *KubernetesClient) SetFinalizer(clusterName spec.NamespacedName, pg *apiacidv1.Postgresql, finalizers []string) (*apiacidv1.Postgresql, error) {
var (