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Merge pull request #85899 from gongguan/slim_down_lister

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slim down some lister expansions

Kubernetes-commit: fcc35b046860ab03851b53ff34a10f6ee0cdecf9
This commit is contained in:
Kubernetes Publisher 2019-12-09 07:20:17 -08:00
commit 3922ef2909
9 changed files with 36 additions and 314 deletions
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70
listers/apps/v1/deployment_expansion.go
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@ -1,70 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v1
import (
"fmt"
apps "k8s.io/api/apps/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
)
// DeploymentListerExpansion allows custom methods to be added to
// DeploymentLister.
type DeploymentListerExpansion interface {
GetDeploymentsForReplicaSet(rs *apps.ReplicaSet) ([]*apps.Deployment, error)
}
// DeploymentNamespaceListerExpansion allows custom methods to be added to
// DeploymentNamespaceLister.
type DeploymentNamespaceListerExpansion interface{}
// GetDeploymentsForReplicaSet returns a list of Deployments that potentially
// match a ReplicaSet. Only the one specified in the ReplicaSet's ControllerRef
// will actually manage it.
// Returns an error only if no matching Deployments are found.
func (s *deploymentLister) GetDeploymentsForReplicaSet(rs *apps.ReplicaSet) ([]*apps.Deployment, error) {
if len(rs.Labels) == 0 {
return nil, fmt.Errorf("no deployments found for ReplicaSet %v because it has no labels", rs.Name)
}
// TODO: MODIFY THIS METHOD so that it checks for the podTemplateSpecHash label
dList, err := s.Deployments(rs.Namespace).List(labels.Everything())
if err != nil {
return nil, err
}
var deployments []*apps.Deployment
for _, d := range dList {
selector, err := metav1.LabelSelectorAsSelector(d.Spec.Selector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %v", err)
}
// If a deployment with a nil or empty selector creeps in, it should match nothing, not everything.
if selector.Empty() || !selector.Matches(labels.Set(rs.Labels)) {
continue
}
deployments = append(deployments, d)
}
if len(deployments) == 0 {
return nil, fmt.Errorf("could not find deployments set for ReplicaSet %s in namespace %s with labels: %v", rs.Name, rs.Namespace, rs.Labels)
}
return deployments, nil
}

8
listers/apps/v1/expansion_generated.go
View File

@ -25,3 +25,11 @@ type ControllerRevisionListerExpansion interface{}
// ControllerRevisionNamespaceListerExpansion allows custom methods to be added to
// ControllerRevisionNamespaceLister.
type ControllerRevisionNamespaceListerExpansion interface{}
// DeploymentListerExpansion allows custom methods to be added to
// DeploymentLister.
type DeploymentListerExpansion interface{}
// DeploymentNamespaceListerExpansion allows custom methods to be added to
// DeploymentNamespaceLister.
type DeploymentNamespaceListerExpansion interface{}

70
listers/apps/v1beta2/deployment_expansion.go
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@ -1,70 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v1beta2
import (
"fmt"
apps "k8s.io/api/apps/v1beta2"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
)
// DeploymentListerExpansion allows custom methods to be added to
// DeploymentLister.
type DeploymentListerExpansion interface {
GetDeploymentsForReplicaSet(rs *apps.ReplicaSet) ([]*apps.Deployment, error)
}
// DeploymentNamespaceListerExpansion allows custom methods to be added to
// DeploymentNamespaceLister.
type DeploymentNamespaceListerExpansion interface{}
// GetDeploymentsForReplicaSet returns a list of Deployments that potentially
// match a ReplicaSet. Only the one specified in the ReplicaSet's ControllerRef
// will actually manage it.
// Returns an error only if no matching Deployments are found.
func (s *deploymentLister) GetDeploymentsForReplicaSet(rs *apps.ReplicaSet) ([]*apps.Deployment, error) {
if len(rs.Labels) == 0 {
return nil, fmt.Errorf("no deployments found for ReplicaSet %v because it has no labels", rs.Name)
}
// TODO: MODIFY THIS METHOD so that it checks for the podTemplateSpecHash label
dList, err := s.Deployments(rs.Namespace).List(labels.Everything())
if err != nil {
return nil, err
}
var deployments []*apps.Deployment
for _, d := range dList {
selector, err := metav1.LabelSelectorAsSelector(d.Spec.Selector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %v", err)
}
// If a deployment with a nil or empty selector creeps in, it should match nothing, not everything.
if selector.Empty() || !selector.Matches(labels.Set(rs.Labels)) {
continue
}
deployments = append(deployments, d)
}
if len(deployments) == 0 {
return nil, fmt.Errorf("could not find deployments set for ReplicaSet %s in namespace %s with labels: %v", rs.Name, rs.Namespace, rs.Labels)
}
return deployments, nil
}

8
listers/apps/v1beta2/expansion_generated.go
View File

@ -25,3 +25,11 @@ type ControllerRevisionListerExpansion interface{}
// ControllerRevisionNamespaceListerExpansion allows custom methods to be added to
// ControllerRevisionNamespaceLister.
type ControllerRevisionNamespaceListerExpansion interface{}
// DeploymentListerExpansion allows custom methods to be added to
// DeploymentLister.
type DeploymentListerExpansion interface{}
// DeploymentNamespaceListerExpansion allows custom methods to be added to
// DeploymentNamespaceLister.
type DeploymentNamespaceListerExpansion interface{}

12
listers/core/v1/expansion_generated.go
View File

@ -58,6 +58,10 @@ type LimitRangeNamespaceListerExpansion interface{}
// NamespaceLister.
type NamespaceListerExpansion interface{}
// NodeListerExpansion allows custom methods to be added to
// NodeLister.
type NodeListerExpansion interface{}
// PersistentVolumeListerExpansion allows custom methods to be added to
// PersistentVolumeLister.
type PersistentVolumeListerExpansion interface{}
@ -102,6 +106,14 @@ type SecretListerExpansion interface{}
// SecretNamespaceLister.
type SecretNamespaceListerExpansion interface{}
// ServiceListerExpansion allows custom methods to be added to
// ServiceLister.
type ServiceListerExpansion interface{}
// ServiceNamespaceListerExpansion allows custom methods to be added to
// ServiceNamespaceLister.
type ServiceNamespaceListerExpansion interface{}
// ServiceAccountListerExpansion allows custom methods to be added to
// ServiceAccountLister.
type ServiceAccountListerExpansion interface{}

48
listers/core/v1/node_expansion.go
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@ -1,48 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v1
import (
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/labels"
)
// NodeConditionPredicate is a function that indicates whether the given node's conditions meet
// some set of criteria defined by the function.
type NodeConditionPredicate func(node *v1.Node) bool
// NodeListerExpansion allows custom methods to be added to
// NodeLister.
type NodeListerExpansion interface {
ListWithPredicate(predicate NodeConditionPredicate) ([]*v1.Node, error)
}
func (l *nodeLister) ListWithPredicate(predicate NodeConditionPredicate) ([]*v1.Node, error) {
nodes, err := l.List(labels.Everything())
if err != nil {
return nil, err
}
var filtered []*v1.Node
for i := range nodes {
if predicate(nodes[i]) {
filtered = append(filtered, nodes[i])
}
}
return filtered, nil
}

56
listers/core/v1/service_expansion.go
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@ -1,56 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v1
import (
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/labels"
)
// ServiceListerExpansion allows custom methods to be added to
// ServiceLister.
type ServiceListerExpansion interface {
GetPodServices(pod *v1.Pod) ([]*v1.Service, error)
}
// ServiceNamespaceListerExpansion allows custom methods to be added to
// ServiceNamespaceLister.
type ServiceNamespaceListerExpansion interface{}
// TODO: Move this back to scheduler as a helper function that takes a Store,
// rather than a method of ServiceLister.
func (s *serviceLister) GetPodServices(pod *v1.Pod) ([]*v1.Service, error) {
allServices, err := s.Services(pod.Namespace).List(labels.Everything())
if err != nil {
return nil, err
}
var services []*v1.Service
for i := range allServices {
service := allServices[i]
if service.Spec.Selector == nil {
// services with nil selectors match nothing, not everything.
continue
}
selector := labels.Set(service.Spec.Selector).AsSelectorPreValidated()
if selector.Matches(labels.Set(pod.Labels)) {
services = append(services, service)
}
}
return services, nil
}

70
listers/extensions/v1beta1/deployment_expansion.go
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@ -1,70 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v1beta1
import (
"fmt"
extensions "k8s.io/api/extensions/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
)
// DeploymentListerExpansion allows custom methods to be added to
// DeploymentLister.
type DeploymentListerExpansion interface {
GetDeploymentsForReplicaSet(rs *extensions.ReplicaSet) ([]*extensions.Deployment, error)
}
// DeploymentNamespaceListerExpansion allows custom methods to be added to
// DeploymentNamespaceLister.
type DeploymentNamespaceListerExpansion interface{}
// GetDeploymentsForReplicaSet returns a list of Deployments that potentially
// match a ReplicaSet. Only the one specified in the ReplicaSet's ControllerRef
// will actually manage it.
// Returns an error only if no matching Deployments are found.
func (s *deploymentLister) GetDeploymentsForReplicaSet(rs *extensions.ReplicaSet) ([]*extensions.Deployment, error) {
if len(rs.Labels) == 0 {
return nil, fmt.Errorf("no deployments found for ReplicaSet %v because it has no labels", rs.Name)
}
// TODO: MODIFY THIS METHOD so that it checks for the podTemplateSpecHash label
dList, err := s.Deployments(rs.Namespace).List(labels.Everything())
if err != nil {
return nil, err
}
var deployments []*extensions.Deployment
for _, d := range dList {
selector, err := metav1.LabelSelectorAsSelector(d.Spec.Selector)
if err != nil {
return nil, fmt.Errorf("invalid label selector: %v", err)
}
// If a deployment with a nil or empty selector creeps in, it should match nothing, not everything.
if selector.Empty() || !selector.Matches(labels.Set(rs.Labels)) {
continue
}
deployments = append(deployments, d)
}
if len(deployments) == 0 {
return nil, fmt.Errorf("could not find deployments set for ReplicaSet %s in namespace %s with labels: %v", rs.Name, rs.Namespace, rs.Labels)
}
return deployments, nil
}

8
listers/extensions/v1beta1/expansion_generated.go
View File

@ -18,6 +18,14 @@ limitations under the License.
package v1beta1
// DeploymentListerExpansion allows custom methods to be added to
// DeploymentLister.
type DeploymentListerExpansion interface{}
// DeploymentNamespaceListerExpansion allows custom methods to be added to
// DeploymentNamespaceLister.
type DeploymentNamespaceListerExpansion interface{}
// IngressListerExpansion allows custom methods to be added to
// IngressLister.
type IngressListerExpansion interface{}