Add glide.yaml and vendor deps

vendor/k8s.io/kubernetes/plugin/pkg/admission/initialresources/influxdb.go

@@ -0,0 +1,73 @@
+/*
+Copyright 2015 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 initialresources
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	influxdb "github.com/influxdata/influxdb/client"
+	"k8s.io/kubernetes/pkg/api"
+)
+
+const (
+	cpuSeriesName      = "autoscaling.cpu.usage.2m"
+	memSeriesName      = "autoscaling.memory.usage.2m"
+	cpuContinuousQuery = "select derivative(value) as value from \"cpu/usage_ns_cumulative\" where pod_id <> '' group by pod_id, pod_namespace, container_name, container_base_image, time(2m) into " + cpuSeriesName
+	memContinuousQuery = "select mean(value) as value from \"memory/usage_bytes_gauge\" where pod_id <> '' group by pod_id, pod_namespace, container_name, container_base_image, time(2m) into " + memSeriesName
+	timeFormat         = "2006-01-02 15:04:05"
+)
+
+// TODO(piosz): rewrite this once we will migrate into InfluxDB v0.9.
+type influxdbSource struct{}
+
+func newInfluxdbSource(host, user, password, db string) (dataSource, error) {
+	return &influxdbSource{}, nil
+}
+
+func (s *influxdbSource) query(query string) ([]*influxdb.Response, error) {
+	// TODO(piosz): add support again
+	return nil, fmt.Errorf("temporary not supported; see #18826 for more details")
+}
+
+func (s *influxdbSource) GetUsagePercentile(kind api.ResourceName, perc int64, image, namespace string, exactMatch bool, start, end time.Time) (int64, int64, error) {
+	var series string
+	if kind == api.ResourceCPU {
+		series = cpuSeriesName
+	} else if kind == api.ResourceMemory {
+		series = memSeriesName
+	}
+
+	var imgPattern string
+	if exactMatch {
+		imgPattern = "='" + image + "'"
+	} else {
+		// Escape character "/" in image pattern.
+		imgPattern = "=~/^" + strings.Replace(image, "/", "\\/", -1) + "/"
+	}
+	var namespaceCond string
+	if namespace != "" {
+		namespaceCond = " and pod_namespace='" + namespace + "'"
+	}
+
+	query := fmt.Sprintf("select percentile(value, %v), count(pod_id) from %v where container_base_image%v%v and time > '%v' and time < '%v'", perc, series, imgPattern, namespaceCond, start.UTC().Format(timeFormat), end.UTC().Format(timeFormat))
+	if _, err := s.query(query); err != nil {
+		return 0, 0, fmt.Errorf("error while trying to query InfluxDB: %v", err)
+	}
+	return 0, 0, nil
+}