Add vendor folder to git

vendor/github.com/directxman12/custom-metrics-boilerplate/pkg/provider/interfaces.go

@@ -0,0 +1,77 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+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 provider
+
+import (
+	"fmt"
+
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/metrics/pkg/apis/custom_metrics"
+)
+
+// MetricInfo describes a metric for a particular
+// fully-qualified group resource.
+type MetricInfo struct {
+	GroupResource schema.GroupResource
+	Namespaced    bool
+	Metric        string
+}
+
+func (i MetricInfo) String() string {
+	if i.Namespaced {
+		return fmt.Sprintf("%s/%s(namespaced)", i.GroupResource.String(), i.Metric)
+	} else {
+		return fmt.Sprintf("%s/%s", i.GroupResource.String(), i.Metric)
+	}
+}
+
+// CustomMetricsProvider is a soruce of custom metrics
+// which is able to supply a list of available metrics,
+// as well as metric values themselves on demand.
+//
+// Note that group-resources are provided  as GroupResources,
+// not GroupKinds.  This is to allow flexibility on the part
+// of the implementor: implementors do not necessarily need
+// to be aware of all existing kinds and their corresponding
+// REST mappings in order to perform queries.
+//
+// For queries that use label selectors, it is up to the
+// implementor to decide how to make use of the label selector --
+// they may wish to query the main Kubernetes API server, or may
+// wish to simply make use of stored information in their TSDB.
+type CustomMetricsProvider interface {
+	// GetRootScopedMetricByName fetches a particular metric for a particular root-scoped object.
+	GetRootScopedMetricByName(groupResource schema.GroupResource, name string, metricName string) (*custom_metrics.MetricValue, error)
+
+	// GetRootScopedMetricByName fetches a particular metric for a set of root-scoped objects
+	// matching the given label selector.
+	GetRootScopedMetricBySelector(groupResource schema.GroupResource, selector labels.Selector, metricName string) (*custom_metrics.MetricValueList, error)
+
+	// GetNamespacedMetricByName fetches a particular metric for a particular namespaced object.
+	GetNamespacedMetricByName(groupResource schema.GroupResource, namespace string, name string, metricName string) (*custom_metrics.MetricValue, error)
+
+	// GetNamespacedMetricByName fetches a particular metric for a set of namespaced objects
+	// matching the given label selector.
+	GetNamespacedMetricBySelector(groupResource schema.GroupResource, namespace string, selector labels.Selector, metricName string) (*custom_metrics.MetricValueList, error)
+
+	// ListAllMetrics provides a list of all available metrics at
+	// the current time.  Note that this is not allowed to return
+	// an error, so it is reccomended that implementors cache and
+	// periodically update this list, instead of querying every time.
+	ListAllMetrics() []MetricInfo
+}

vendor/github.com/directxman12/custom-metrics-boilerplate/pkg/provider/resource_lister.go

@@ -0,0 +1,48 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+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 provider
+
+import (
+	"k8s.io/apiserver/pkg/endpoints/discovery"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+type customMetricsResourceLister struct {
+	provider CustomMetricsProvider
+}
+
+func NewResourceLister(provider CustomMetricsProvider) discovery.APIResourceLister {
+	return &customMetricsResourceLister{
+		provider: provider,
+	}
+}
+
+func (l *customMetricsResourceLister) ListAPIResources() []metav1.APIResource {
+	metrics := l.provider.ListAllMetrics()
+	resources := make([]metav1.APIResource, len(metrics))
+
+	for i, metric := range metrics {
+		resources[i] = metav1.APIResource{
+			Name: metric.GroupResource.String()+"/"+metric.Metric,
+			Namespaced: metric.Namespaced,
+			Kind: "MetricValueList",
+			Verbs: metav1.Verbs{"get"}, // TODO: support "watch"
+		}
+	}
+
+	return resources
+}