54 lines
1.7 KiB
Go
54 lines
1.7 KiB
Go
/*
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Copyright 2016 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 builder
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import (
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"k8s.io/autoscaler/cluster-autoscaler/cloudprovider"
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"k8s.io/autoscaler/cluster-autoscaler/config"
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"k8s.io/autoscaler/cluster-autoscaler/context"
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"k8s.io/client-go/informers"
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klog "k8s.io/klog/v2"
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)
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// NewCloudProvider builds a cloud provider from provided parameters.
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func NewCloudProvider(opts config.AutoscalingOptions, informerFactory informers.SharedInformerFactory) cloudprovider.CloudProvider {
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klog.V(1).Infof("Building %s cloud provider.", opts.CloudProviderName)
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do := cloudprovider.NodeGroupDiscoveryOptions{
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NodeGroupSpecs: opts.NodeGroups,
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NodeGroupAutoDiscoverySpecs: opts.NodeGroupAutoDiscovery,
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}
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rl := context.NewResourceLimiterFromAutoscalingOptions(opts)
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if opts.CloudProviderName == "" {
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// Ideally this would be an error, but several unit tests of the
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// StaticAutoscaler depend on this behaviour.
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klog.Warning("Returning a nil cloud provider")
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return nil
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}
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provider := buildCloudProvider(opts, do, rl, informerFactory)
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if provider != nil {
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return provider
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}
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klog.Fatalf("Unknown cloud provider: %s", opts.CloudProviderName)
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return nil // This will never happen because the Fatalf will os.Exit
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}
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