mirror of https://github.com/portainer/portainer
57 lines
3.0 KiB
JavaScript
57 lines
3.0 KiB
JavaScript
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import _ from 'lodash-es';
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import angular from 'angular';
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import { KubernetesSystem_DefaultDeploymentUniqueLabelKey, KubernetesSystem_RevisionAnnotation } from 'Kubernetes/models/history/models';
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class KubernetesDeploymentHistoryHelper {
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static _isControlledBy(deployment) {
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return (item) => _.find(item.metadata.ownerReferences, { uid: deployment.metadata.uid }) !== undefined;
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}
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static filterOwnedRevisions(rsList, deployment) {
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// filter RS that has the same selector as the Deployment
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// NOTE : this should be done in HTTP request based on deployment.spec.selector
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// instead of getting all RS and filtering them here
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const sameLabelsRS = _.filter(rsList, ['spec.selector', deployment.spec.selector]);
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// Only include the RS whose ControllerRef matches the Deployment.
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const controlledRS = _.filter(sameLabelsRS, KubernetesDeploymentHistoryHelper._isControlledBy(deployment));
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// sorts the list of ReplicaSet by creation timestamp, using the names as a tie breaker (old to new)
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const sortedList = _.sortBy(controlledRS, ['metadata.creationTimestamp', 'metadata.name']);
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return sortedList;
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}
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// getCurrentRS returns the new RS the given deployment targets (the one with the same pod template).
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static getCurrentRevision(rsListOriginal, deployment) {
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const rsList = angular.copy(rsListOriginal);
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// In rare cases, such as after cluster upgrades, Deployment may end up with
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// having more than one new ReplicaSets that have the same template as its template,
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// see https://github.com/kubernetes/kubernetes/issues/40415
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// We deterministically choose the oldest new ReplicaSet (first match)
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const current = _.find(rsList, (item) => {
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// returns true if two given template.spec are equal, ignoring the diff in value of Labels[pod-template-hash]
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// We ignore pod-template-hash because:
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// 1. The hash result would be different upon podTemplateSpec API changes
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// (e.g. the addition of a new field will cause the hash code to change)
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// 2. The deployment template won't have hash labels
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delete item.spec.template.metadata.labels[KubernetesSystem_DefaultDeploymentUniqueLabelKey];
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return _.isEqual(deployment.spec.template, item.spec.template);
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});
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current.revision = current.metadata.annotations[KubernetesSystem_RevisionAnnotation];
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return current;
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}
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// filters the RSList to drop all RS that have never been a version of the Deployment
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// also add the revision as a field inside the RS
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// Note: this should not impact rollback process as we only patch
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// metadata.annotations and spec.template
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static filterVersionedRevisions(rsList) {
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const filteredRS = _.filter(rsList, (item) => item.metadata.annotations[KubernetesSystem_RevisionAnnotation] !== undefined);
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return _.map(filteredRS, (item) => {
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item.revision = item.metadata.annotations[KubernetesSystem_RevisionAnnotation];
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return item;
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});
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}
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}
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export default KubernetesDeploymentHistoryHelper;
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