api: adds readinessGates setting for pods

it should help implement zero-down time updates with external load balancers

api/v1beta1/vmagent_types.go

@@ -370,6 +370,9 @@ type VMAgentSpec struct {
 	// set it to RollingUpdate for disabling operator statefulSet rollingUpdate
 	// +optional
 	StatefulRollingUpdateStrategy appsv1.StatefulSetUpdateStrategyType `json:"statefulRollingUpdateStrategy,omitempty"`
+
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 // VMAgentRemoteWriteSettings - defines global settings for all remoteWrite urls.

api/v1beta1/vmalert_types.go

@@ -249,6 +249,8 @@ type VMAlertSpec struct {
 	// configuration based on DNSPolicy.
 	// +optional
 	DNSConfig *v1.PodDNSConfig `json:"dnsConfig,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 // VMAgentRemoteReadSpec defines the remote storage configuration for VmAlert to read alerts from

api/v1beta1/vmalertmanager_types.go

@@ -259,6 +259,8 @@ type VMAlertmanagerSpec struct {
 	// TerminationGracePeriodSeconds period for container graceful termination
 	// +optional
 	TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 // VMAlertmanagerList is a list of Alertmanagers.

api/v1beta1/vmauth_types.go

@@ -174,6 +174,8 @@ type VMAuthSpec struct {
 	// TerminationGracePeriodSeconds period for container graceful termination
 	// +optional
 	TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 // EmbeddedIngress describes ingress configuration options.

api/v1beta1/vmcluster_types.go

@@ -278,6 +278,8 @@ type VMSelect struct {
 	// TerminationGracePeriodSeconds period for container graceful termination
 	// +optional
 	TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 func (s VMSelect) GetNameWithPrefix(clusterName string) string {
@@ -456,6 +458,8 @@ type VMInsert struct {
 	// TerminationGracePeriodSeconds period for container graceful termination
 	// +optional
 	TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 func (cr *VMInsert) Probe() *EmbeddedProbes {
@@ -646,6 +650,8 @@ type VMStorage struct {
 	// Can be changed for RollingUpdate
 	// +optional
 	RollingUpdateStrategy appsv1.StatefulSetUpdateStrategyType `json:"rollingUpdateStrategy,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 type VMBackup struct {

api/v1beta1/vmsingle_types.go

@@ -182,6 +182,8 @@ type VMSingleSpec struct {
 	// TerminationGracePeriodSeconds period for container graceful termination
 	// +optional
 	TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 // VMSingleStatus defines the observed state of VMSingle

api/victoriametrics/v1beta1/vmagent_types.go

@@ -370,6 +370,9 @@ type VMAgentSpec struct {
 	// set it to RollingUpdate for disabling operator statefulSet rollingUpdate
 	// +optional
 	StatefulRollingUpdateStrategy appsv1.StatefulSetUpdateStrategyType `json:"statefulRollingUpdateStrategy,omitempty"`
+
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 // VMAgentRemoteWriteSettings - defines global settings for all remoteWrite urls.

api/victoriametrics/v1beta1/vmalert_types.go

@@ -249,6 +249,8 @@ type VMAlertSpec struct {
 	// configuration based on DNSPolicy.
 	// +optional
 	DNSConfig *v1.PodDNSConfig `json:"dnsConfig,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 // VMAgentRemoteReadSpec defines the remote storage configuration for VmAlert to read alerts from

api/victoriametrics/v1beta1/vmalertmanager_types.go

@@ -259,6 +259,8 @@ type VMAlertmanagerSpec struct {
 	// TerminationGracePeriodSeconds period for container graceful termination
 	// +optional
 	TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 // VMAlertmanagerList is a list of Alertmanagers.

api/victoriametrics/v1beta1/vmauth_types.go

@@ -174,6 +174,8 @@ type VMAuthSpec struct {
 	// TerminationGracePeriodSeconds period for container graceful termination
 	// +optional
 	TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 // EmbeddedIngress describes ingress configuration options.

api/victoriametrics/v1beta1/vmcluster_types.go

@@ -278,6 +278,8 @@ type VMSelect struct {
 	// TerminationGracePeriodSeconds period for container graceful termination
 	// +optional
 	TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 func (s VMSelect) GetNameWithPrefix(clusterName string) string {
@@ -456,6 +458,8 @@ type VMInsert struct {
 	// TerminationGracePeriodSeconds period for container graceful termination
 	// +optional
 	TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 func (cr *VMInsert) Probe() *EmbeddedProbes {
@@ -646,6 +650,8 @@ type VMStorage struct {
 	// Can be changed for RollingUpdate
 	// +optional
 	RollingUpdateStrategy appsv1.StatefulSetUpdateStrategyType `json:"rollingUpdateStrategy,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 type VMBackup struct {

api/victoriametrics/v1beta1/vmsingle_types.go

@@ -182,6 +182,8 @@ type VMSingleSpec struct {
 	// TerminationGracePeriodSeconds period for container graceful termination
 	// +optional
 	TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty"`
+	// ReadinessGates defines pod readiness gates
+	ReadinessGates []v1.PodReadinessGate `json:"readinessGates,omitempty"`
 }
 
 // VMSingleStatus defines the observed state of VMSingle

config/crd/bases/operator.victoriametrics.com_vmagents.yaml

@@ -1128,6 +1128,19 @@ spec:
                       are ANDed.
                     type: object
                 type: object
+              readinessGates:
+                description: ReadinessGates defines pod readiness gates
+                items:
+                  description: PodReadinessGate contains the reference to a pod condition
+                  properties:
+                    conditionType:
+                      description: ConditionType refers to a condition in the pod's
+                        condition list with matching type.
+                      type: string
+                  required:
+                  - conditionType
+                  type: object
+                type: array
               readinessProbe:
                 description: ReadinessProbe that will be added CRD pod
                 type: object

config/crd/bases/operator.victoriametrics.com_vmalertmanagers.yaml

@@ -414,6 +414,19 @@ spec:
               priorityClassName:
                 description: PriorityClassName class assigned to the Pods
                 type: string
+              readinessGates:
+                description: ReadinessGates defines pod readiness gates
+                items:
+                  description: PodReadinessGate contains the reference to a pod condition
+                  properties:
+                    conditionType:
+                      description: ConditionType refers to a condition in the pod's
+                        condition list with matching type.
+                      type: string
+                  required:
+                  - conditionType
+                  type: object
+                type: array
               readinessProbe:
                 description: ReadinessProbe that will be added CRD pod
                 type: object

config/crd/bases/operator.victoriametrics.com_vmalerts.yaml

@@ -1002,6 +1002,19 @@ spec:
               priorityClassName:
                 description: Priority class assigned to the Pods
                 type: string
+              readinessGates:
+                description: ReadinessGates defines pod readiness gates
+                items:
+                  description: PodReadinessGate contains the reference to a pod condition
+                  properties:
+                    conditionType:
+                      description: ConditionType refers to a condition in the pod's
+                        condition list with matching type.
+                      type: string
+                  required:
+                  - conditionType
+                  type: object
+                type: array
               readinessProbe:
                 description: ReadinessProbe that will be added CRD pod
                 type: object