mirror of https://github.com/kubernetes/kops.git
51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
/*
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Copyright 2022 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 hetzner
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import (
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"fmt"
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"k8s.io/kops/pkg/apis/kops"
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)
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// FindRegion determines the region from the zones specified in the cluster
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func FindRegion(cluster *kops.Cluster) (string, error) {
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var region string
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for _, subnet := range cluster.Spec.Networking.Subnets {
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var zoneRegion string
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switch subnet.Zone {
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case "fsn1", "nbg1", "hel1":
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zoneRegion = "eu-central"
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case "ash":
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zoneRegion = "us-east"
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case "hil":
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zoneRegion = "us-west"
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default:
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return "", fmt.Errorf("unknown zone %q for hetzner cloud, known zones are fsn1, nbg1, hel1, ash, hil", subnet.Zone)
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}
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if region != "" && zoneRegion != region {
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return "", fmt.Errorf("cluster cannot span multiple regions (found zone %q, but region is %q)", subnet.Zone, region)
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}
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region = zoneRegion
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}
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return region, nil
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}
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