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c1805696ce
* Replace primary/secondary sort fields with an array of sort directives. * Allow more than 2 sort-params in a search query. * Add a virtual 'status.ready' field to clusters. * Rename status.ready -> status.connected * Set virtual field 'spec.internal' <- spec.displayName == 'local' * Need to declare all virtual fields to index. * Ready clusters have condition[type==Ready && status=True] * Update the README to reflect generalized sorting. * Bump lasso to get revised sort directives. * Review-driven changes, mostly comments and drop unneeded code. * Add unit tests to verify sort-order stringification. * Ignore empty-string sort components. * Fix a rebase mishap. * Drop unneeded commented-out code. * Clusters have a 'spec.internal' field, no need to synthesize one. * Added a note on square-brackets for label references. This should be added to the README for filter queries in the PR for 46333. * Bump to latest sqlcache-free lasso
59 lines
2.0 KiB
Go
59 lines
2.0 KiB
Go
// Package virtual provides functions/resources to define virtual fields (fields which don't exist in k8s
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// but should be visible in the API) on resources
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package virtual
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import (
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"fmt"
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"github.com/rancher/steve/pkg/resources/virtual/clusters"
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"github.com/rancher/steve/pkg/resources/virtual/common"
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"github.com/rancher/steve/pkg/resources/virtual/events"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/client-go/tools/cache"
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)
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// TransformBuilder builds transform functions for specified GVKs through GetTransformFunc
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type TransformBuilder struct {
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defaultFields *common.DefaultFields
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}
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// NewTransformBuilder returns a TransformBuilder using the given summary cache
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func NewTransformBuilder(cache common.SummaryCache) *TransformBuilder {
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return &TransformBuilder{
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defaultFields: &common.DefaultFields{
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Cache: cache,
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},
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}
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}
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// GetTransformFunc returns the func to transform a raw object into a fixed object, if needed
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func (t *TransformBuilder) GetTransformFunc(gvk schema.GroupVersionKind) cache.TransformFunc {
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converters := make([]func(*unstructured.Unstructured) (*unstructured.Unstructured, error), 0)
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if gvk.Kind == "Event" && gvk.Group == "" && gvk.Version == "v1" {
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converters = append(converters, events.TransformEventObject)
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} else if gvk.Kind == "Cluster" && gvk.Group == "management.cattle.io" && gvk.Version == "v3" {
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converters = append(converters, clusters.TransformManagedCluster)
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}
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converters = append(converters, t.defaultFields.TransformCommon)
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return func(raw interface{}) (interface{}, error) {
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obj, isSignal, err := common.GetUnstructured(raw)
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if isSignal {
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// isSignal= true overrides any error
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return raw, err
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}
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if err != nil {
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return nil, fmt.Errorf("GetUnstructured: failed to get underlying object: %w", err)
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}
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// Conversions are run in this loop:
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for _, f := range converters {
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obj, err = f(obj)
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if err != nil {
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return nil, err
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}
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}
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return obj, nil
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}
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}
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