Update dependencies

Signed-off-by: Markus Lehtonen <markus.lehtonen@intel.com>

vendor/github.com/intel/goresctrl/pkg/rdt/kubernetes.go

@@ -0,0 +1,74 @@
+/*
+Copyright 2021 Intel Corporation
+
+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 rdt
+
+import (
+	"fmt"
+	"github.com/intel/goresctrl/pkg/kubernetes"
+)
+
+const (
+	// RdtContainerAnnotation is the CRI level container annotation for setting
+	// the RDT class (CLOS) of a container
+	RdtContainerAnnotation = "io.kubernetes.cri.rdt-class"
+
+	// RdtPodAnnotation is a Pod annotation for setting the RDT class (CLOS) of
+	// all containers of the pod
+	RdtPodAnnotation = "rdt.resources.beta.kubernetes.io/pod"
+
+	// RdtPodAnnotationContainerPrefix is prefix for per-container Pod annotation
+	// for setting the RDT class (CLOS) of one container of the pod
+	RdtPodAnnotationContainerPrefix = "rdt.resources.beta.kubernetes.io/container."
+)
+
+// ContainerClassFromAnnotations determines the effective RDT class of a
+// container from the Pod annotations and CRI level container annotations of a
+// container. Verifies that the class exists in goresctrl configuration and that
+// it is allowed to be used.
+func ContainerClassFromAnnotations(containerName string, containerAnnotations, podAnnotations map[string]string) (string, error) {
+	clsName, clsOrigin := kubernetes.ContainerClassFromAnnotations(
+		RdtContainerAnnotation, RdtPodAnnotation, RdtPodAnnotationContainerPrefix,
+		containerName, containerAnnotations, podAnnotations)
+
+	if clsOrigin != kubernetes.ClassOriginNotFound {
+		if rdt == nil {
+			return "", fmt.Errorf("RDT not initialized, class %q not available", clsName)
+		}
+
+		// Verify validity of class name
+		if !IsQualifiedClassName(clsName) {
+			return "", fmt.Errorf("unqualified RDT class name %q", clsName)
+		}
+
+		// If RDT has been initialized we check that the class exists
+		if _, ok := rdt.getClass(clsName); !ok {
+			return "", fmt.Errorf("RDT class %q does not exist in configuration", clsName)
+		}
+
+		// If classes have been configured by goresctrl
+		if clsConf, ok := rdt.conf.Classes[unaliasClassName(clsName)]; ok {
+			// Check that the class is allowed
+			if clsOrigin == kubernetes.ClassOriginPodAnnotation && clsConf.Kubernetes.DenyPodAnnotation {
+				return "", fmt.Errorf("RDT class %q not allowed from Pod annotations", clsName)
+			} else if clsOrigin == kubernetes.ClassOriginContainerAnnotation && clsConf.Kubernetes.DenyContainerAnnotation {
+				return "", fmt.Errorf("RDT class %q not allowed from Container annotation", clsName)
+			}
+		}
+	}
+
+	return clsName, nil
+}