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#48673 - Added Timestamp Cache Handling to metadata.fields (#648)

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* added timestamp convertion to metadata.fields

* fixed duration parsing

* fixed tests

* removed tags file

* added comments

* added better error handling

* changed ParseHumanDuration to use Fscanf

* added builtins handling

* adding mock updates

* fixing tests

* another try

* added timestamp convertion to metadata.fields

* addressing comments from @ericpromislow

* converting error to warning

* added template options
This commit is contained in:
Felipe Gehrke
2025-06-16 19:33:28 -03:00
committed by GitHub
parent 2e8a0f2851
commit b3539616e0
13 changed files with 513 additions and 33 deletions
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46
pkg/resources/virtual/virtual.go
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@@ -4,7 +4,10 @@ package virtual
import (
"fmt"
"slices"
"time"
rescommon "github.com/rancher/steve/pkg/resources/common"
"github.com/rancher/steve/pkg/resources/virtual/clusters"
"github.com/rancher/steve/pkg/resources/virtual/common"
"github.com/rancher/steve/pkg/resources/virtual/events"
@@ -13,6 +16,8 @@ import (
"k8s.io/client-go/tools/cache"
)
var now = time.Now()
// TransformBuilder builds transform functions for specified GVKs through GetTransformFunc
type TransformBuilder struct {
defaultFields *common.DefaultFields
@@ -28,13 +33,52 @@ func NewTransformBuilder(cache common.SummaryCache) *TransformBuilder {
}
// GetTransformFunc returns the func to transform a raw object into a fixed object, if needed
func (t *TransformBuilder) GetTransformFunc(gvk schema.GroupVersionKind) cache.TransformFunc {
func (t *TransformBuilder) GetTransformFunc(gvk schema.GroupVersionKind, columns []rescommon.ColumnDefinition) cache.TransformFunc {
converters := make([]func(*unstructured.Unstructured) (*unstructured.Unstructured, error), 0)
if gvk.Kind == "Event" && gvk.Group == "" && gvk.Version == "v1" {
converters = append(converters, events.TransformEventObject)
} else if gvk.Kind == "Cluster" && gvk.Group == "management.cattle.io" && gvk.Version == "v3" {
converters = append(converters, clusters.TransformManagedCluster)
}
// Detecting if we need to convert date fields
for _, col := range columns {
gvkDateFields, gvkFound := rescommon.DateFieldsByGVKBuiltins[gvk]
if col.Type == "date" || (gvkFound && slices.Contains(gvkDateFields, col.Name)) {
converters = append(converters, func(obj *unstructured.Unstructured) (*unstructured.Unstructured, error) {
index := rescommon.GetIndexValueFromString(col.Field)
if index == -1 {
return nil, fmt.Errorf("field index not found at column.Field struct variable: %s", col.Field)
}
curValue, got, err := unstructured.NestedSlice(obj.Object, "metadata", "fields")
if !got {
return obj, nil
}
if err != nil {
return nil, err
}
value, cast := curValue[index].(string)
if !cast {
return nil, fmt.Errorf("could not cast metadata.fields %d to string", index)
}
duration, err := rescommon.ParseHumanReadableDuration(value)
if err != nil {
return nil, err
}
curValue[index] = fmt.Sprintf("%d", now.Add(-duration).UnixMilli())
if err := unstructured.SetNestedSlice(obj.Object, curValue, "metadata", "fields"); err != nil {
return nil, err
}
return obj, nil
})
}
}
converters = append(converters, t.defaultFields.TransformCommon)
return func(raw interface{}) (interface{}, error) {