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author | Daniel J Walsh <dwalsh@redhat.com> | 2018-03-26 18:26:55 -0400 |
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committer | Atomic Bot <atomic-devel@projectatomic.io> | 2018-03-27 18:09:12 +0000 |
commit | af64e10400f8533a0c48ecdf5ab9b7fbf329e14e (patch) | |
tree | 59160e3841b440dd35189c724bbb4375a7be173b /vendor/k8s.io/client-go/listers/extensions/v1beta1/daemonset_expansion.go | |
parent | 26d7e3c7b85e28c4e42998c90fdcc14079f13eef (diff) | |
download | podman-af64e10400f8533a0c48ecdf5ab9b7fbf329e14e.tar.gz podman-af64e10400f8533a0c48ecdf5ab9b7fbf329e14e.tar.bz2 podman-af64e10400f8533a0c48ecdf5ab9b7fbf329e14e.zip |
Vendor in lots of kubernetes stuff to shrink image size
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Closes: #554
Approved by: mheon
Diffstat (limited to 'vendor/k8s.io/client-go/listers/extensions/v1beta1/daemonset_expansion.go')
-rw-r--r-- | vendor/k8s.io/client-go/listers/extensions/v1beta1/daemonset_expansion.go | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/vendor/k8s.io/client-go/listers/extensions/v1beta1/daemonset_expansion.go b/vendor/k8s.io/client-go/listers/extensions/v1beta1/daemonset_expansion.go new file mode 100644 index 000000000..336a4ed83 --- /dev/null +++ b/vendor/k8s.io/client-go/listers/extensions/v1beta1/daemonset_expansion.go @@ -0,0 +1,114 @@ +/* +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" + + apps "k8s.io/api/apps/v1beta1" + "k8s.io/api/core/v1" + "k8s.io/api/extensions/v1beta1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "k8s.io/apimachinery/pkg/labels" +) + +// DaemonSetListerExpansion allows custom methods to be added to +// DaemonSetLister. +type DaemonSetListerExpansion interface { + GetPodDaemonSets(pod *v1.Pod) ([]*v1beta1.DaemonSet, error) + GetHistoryDaemonSets(history *apps.ControllerRevision) ([]*v1beta1.DaemonSet, error) +} + +// DaemonSetNamespaceListerExpansion allows custom methods to be added to +// DaemonSetNamespaceLister. +type DaemonSetNamespaceListerExpansion interface{} + +// GetPodDaemonSets returns a list of DaemonSets that potentially match a pod. +// Only the one specified in the Pod's ControllerRef will actually manage it. +// Returns an error only if no matching DaemonSets are found. +func (s *daemonSetLister) GetPodDaemonSets(pod *v1.Pod) ([]*v1beta1.DaemonSet, error) { + var selector labels.Selector + var daemonSet *v1beta1.DaemonSet + + if len(pod.Labels) == 0 { + return nil, fmt.Errorf("no daemon sets found for pod %v because it has no labels", pod.Name) + } + + list, err := s.DaemonSets(pod.Namespace).List(labels.Everything()) + if err != nil { + return nil, err + } + + var daemonSets []*v1beta1.DaemonSet + for i := range list { + daemonSet = list[i] + if daemonSet.Namespace != pod.Namespace { + continue + } + selector, err = metav1.LabelSelectorAsSelector(daemonSet.Spec.Selector) + if err != nil { + // this should not happen if the DaemonSet passed validation + return nil, err + } + + // If a daemonSet with a nil or empty selector creeps in, it should match nothing, not everything. + if selector.Empty() || !selector.Matches(labels.Set(pod.Labels)) { + continue + } + daemonSets = append(daemonSets, daemonSet) + } + + if len(daemonSets) == 0 { + return nil, fmt.Errorf("could not find daemon set for pod %s in namespace %s with labels: %v", pod.Name, pod.Namespace, pod.Labels) + } + + return daemonSets, nil +} + +// GetHistoryDaemonSets returns a list of DaemonSets that potentially +// match a ControllerRevision. Only the one specified in the ControllerRevision's ControllerRef +// will actually manage it. +// Returns an error only if no matching DaemonSets are found. +func (s *daemonSetLister) GetHistoryDaemonSets(history *apps.ControllerRevision) ([]*v1beta1.DaemonSet, error) { + if len(history.Labels) == 0 { + return nil, fmt.Errorf("no DaemonSet found for ControllerRevision %s because it has no labels", history.Name) + } + + list, err := s.DaemonSets(history.Namespace).List(labels.Everything()) + if err != nil { + return nil, err + } + + var daemonSets []*v1beta1.DaemonSet + for _, ds := range list { + selector, err := metav1.LabelSelectorAsSelector(ds.Spec.Selector) + if err != nil { + return nil, fmt.Errorf("invalid label selector: %v", err) + } + // If a DaemonSet with a nil or empty selector creeps in, it should match nothing, not everything. + if selector.Empty() || !selector.Matches(labels.Set(history.Labels)) { + continue + } + daemonSets = append(daemonSets, ds) + } + + if len(daemonSets) == 0 { + return nil, fmt.Errorf("could not find DaemonSets for ControllerRevision %s in namespace %s with labels: %v", history.Name, history.Namespace, history.Labels) + } + + return daemonSets, nil +} |