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steve/pkg/resources/common/formatter.go
2022-02-14 17:39:37 -07:00

99 lines
2.9 KiB
Go

package common
import (
"strings"
"github.com/rancher/apiserver/pkg/types"
"github.com/rancher/steve/pkg/accesscontrol"
"github.com/rancher/steve/pkg/attributes"
"github.com/rancher/steve/pkg/schema"
metricsStore "github.com/rancher/steve/pkg/stores/metrics"
"github.com/rancher/steve/pkg/stores/proxy"
"github.com/rancher/steve/pkg/summarycache"
"github.com/rancher/wrangler/pkg/data"
"github.com/rancher/wrangler/pkg/slice"
"github.com/rancher/wrangler/pkg/summary"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
schema2 "k8s.io/apimachinery/pkg/runtime/schema"
)
func DefaultTemplate(clientGetter proxy.ClientGetter,
summaryCache *summarycache.SummaryCache,
asl accesscontrol.AccessSetLookup) schema.Template {
return schema.Template{
Store: metricsStore.NewMetricsStore(proxy.NewProxyStore(clientGetter, summaryCache, asl)),
Formatter: formatter(summaryCache),
}
}
func selfLink(gvr schema2.GroupVersionResource, meta metav1.Object) (prefix string) {
buf := &strings.Builder{}
if gvr.Group == "" {
buf.WriteString("/api/v1/")
} else {
buf.WriteString("/apis/")
buf.WriteString(gvr.Group)
buf.WriteString("/")
buf.WriteString(gvr.Version)
buf.WriteString("/")
}
if meta.GetNamespace() != "" {
buf.WriteString("namespaces/")
buf.WriteString(meta.GetNamespace())
buf.WriteString("/")
}
buf.WriteString(gvr.Resource)
buf.WriteString("/")
buf.WriteString(meta.GetName())
return buf.String()
}
func formatter(summarycache *summarycache.SummaryCache) types.Formatter {
return func(request *types.APIRequest, resource *types.RawResource) {
if resource.Schema == nil {
return
}
gvr := attributes.GVR(resource.Schema)
if gvr.Version == "" {
return
}
meta, err := meta.Accessor(resource.APIObject.Object)
if err != nil {
return
}
selfLink := selfLink(gvr, meta)
u := request.URLBuilder.RelativeToRoot(selfLink)
resource.Links["view"] = u
if _, ok := resource.Links["update"]; !ok && slice.ContainsString(resource.Schema.CollectionMethods, "PUT") {
resource.Links["update"] = u
}
if _, ok := resource.Links["update"]; !ok && slice.ContainsString(resource.Schema.ResourceMethods, "blocked-PUT") {
resource.Links["update"] = "blocked"
}
if _, ok := resource.Links["remove"]; !ok && slice.ContainsString(resource.Schema.ResourceMethods, "blocked-DELETE") {
resource.Links["remove"] = "blocked"
}
if unstr, ok := resource.APIObject.Object.(*unstructured.Unstructured); ok {
s, rel := summarycache.SummaryAndRelationship(unstr)
data.PutValue(unstr.Object, map[string]interface{}{
"name": s.State,
"error": s.Error,
"transitioning": s.Transitioning,
"message": strings.Join(s.Message, ":"),
}, "metadata", "state")
data.PutValue(unstr.Object, rel, "metadata", "relationships")
summary.NormalizeConditions(unstr)
}
}
}