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https://github.com/optim-enterprises-bv/kubernetes.git
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58 lines
2.4 KiB
Go
58 lines
2.4 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package initialresources
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import (
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"flag"
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"fmt"
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"time"
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"k8s.io/kubernetes/pkg/api"
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)
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var (
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influxdbHost = flag.String("ir-influxdb-host", "localhost:8080/api/v1/namespaces/kube-system/services/monitoring-influxdb:api/proxy", "Address of InfluxDB which contains metrics required by InitialResources")
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user = flag.String("ir-user", "root", "User used for connecting to InfluxDB")
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// TODO: figure out how to better pass password here
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password = flag.String("ir-password", "root", "Password used for connecting to InfluxDB")
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db = flag.String("ir-dbname", "k8s", "InfluxDB database name which contains metrics required by InitialResources")
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hawkularConfig = flag.String("ir-hawkular", "", "Hawkular configuration URL")
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)
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// WARNING: If you are planning to add another implementation of dataSource interface please bear in mind,
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// that dataSource will be moved to Heapster some time in the future and possibly rewritten.
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type dataSource interface {
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// Returns <perc>th of sample values which represent usage of <kind> for containers running <image>,
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// within time range (start, end), number of samples considered and error if occurred.
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// If <exactMatch> then take only samples that concern the same image (both name and take are the same),
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// otherwise consider also samples with the same image a possibly different tag.
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GetUsagePercentile(kind api.ResourceName, perc int64, image, namespace string, exactMatch bool, start, end time.Time) (usage int64, samples int64, err error)
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}
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func newDataSource(kind string) (dataSource, error) {
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if kind == "influxdb" {
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return newInfluxdbSource(*influxdbHost, *user, *password, *db)
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}
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if kind == "gcm" {
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return newGcmSource()
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}
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if kind == "hawkular" {
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return newHawkularSource(*hawkularConfig)
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}
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return nil, fmt.Errorf("unknown data source %v", kind)
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}
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