/* Copyright 2021 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 zones import ( "k8s.io/klog/v2" "k8s.io/kops/pkg/apis/kops" "k8s.io/kops/pkg/clouds" ) // These lists allows us to infer from certain well-known zones to a cloud // Note it is safe to "overmap" zones that don't exist: we'll check later if the zones actually exist var awsZones = []string{ "us-east-1a", "us-east-1b", "us-east-1c", "us-east-1d", "us-east-1e", "us-east-1f", "us-east-2a", "us-east-2b", "us-east-2c", "us-east-2d", "us-east-2e", "us-east-2f", "us-west-1a", "us-west-1b", "us-west-1c", "us-west-1d", "us-west-1e", "us-west-1f", "us-west-2a", "us-west-2b", "us-west-2c", "us-west-2d", "us-west-2e", "us-west-2f", "ca-central-1a", "ca-central-1b", "ca-central-1c", "ca-central-1d", "eu-north-1a", "eu-north-1b", "eu-north-1c", "eu-west-1a", "eu-west-1b", "eu-west-1c", "eu-west-1d", "eu-west-1e", "eu-west-2a", "eu-west-2b", "eu-west-2c", "eu-west-3a", "eu-west-3b", "eu-west-3c", "eu-central-1a", "eu-central-1b", "eu-central-1c", "eu-central-1d", "eu-central-1e", "ap-south-1a", "ap-south-1b", "ap-south-1c", "ap-south-1d", "ap-south-1e", "ap-southeast-1a", "ap-southeast-1b", "ap-southeast-1c", "ap-southeast-1d", "ap-southeast-1e", "ap-southeast-2a", "ap-southeast-2b", "ap-southeast-2c", "ap-southeast-2d", "ap-southeast-2e", "ap-northeast-1a", "ap-northeast-1b", "ap-northeast-1c", "ap-northeast-1d", "ap-northeast-1e", "ap-northeast-2a", "ap-northeast-2b", "ap-northeast-2c", "ap-northeast-2d", "ap-northeast-2e", "ap-northeast-3a", "ap-northeast-3b", "ap-northeast-3c", "ap-northeast-3d", "ap-northeast-3e", "ap-east-1a", "ap-east-1b", "ap-east-1c", "ap-east-1d", "ap-east-1e", "sa-east-1a", "sa-east-1b", "sa-east-1c", "sa-east-1d", "sa-east-1e", "cn-north-1a", "cn-north-1b", "cn-northwest-1a", "cn-northwest-1b", "cn-northwest-1c", "me-south-1a", "me-south-1b", "me-south-1c", "us-gov-east-1a", "us-gov-east-1b", "us-gov-east-1c", "us-gov-west-1a", "us-gov-west-1b", "us-gov-west-1c", "af-south-1a", "af-south-1b", "af-south-1c", "eu-south-1a", "eu-south-1b", "eu-south-1c", } var gceZones = []string{ "asia-east1-a", "asia-east1-b", "asia-east1-c", "asia-east1-d", "asia-east2-a", "asia-east2-b", "asia-east2-c", "asia-northeast1-a", "asia-northeast1-b", "asia-northeast1-c", "asia-northeast1-d", "asia-northeast2-a", "asia-northeast2-b", "asia-northeast2-c", "asia-northeast3-a", "asia-northeast3-b", "asia-northeast3-c", "asia-south1-a", "asia-south1-b", "asia-south1-c", "asia-southeast1-a", "asia-southeast1-b", "asia-southeast2-a", "asia-southeast2-b", "asia-southeast2-c", "australia-southeast1-a", "australia-southeast1-b", "australia-southeast1-c", "europe-north1-a", "europe-north1-b", "europe-north1-c", "europe-west1-a", "europe-west1-b", "europe-west1-c", "europe-west1-d", "europe-west1-e", "europe-west2-a", "europe-west2-b", "europe-west2-c", "europe-west3-a", "europe-west3-b", "europe-west3-c", "europe-west4-a", "europe-west4-b", "europe-west4-c", "europe-west6-a", "europe-west6-b", "europe-west6-c", "us-central1-a", "us-central1-b", "us-central1-c", "us-central1-d", "us-central1-e", "us-central1-f", "us-central1-g", "us-central1-h", "us-east1-a", "us-east1-b", "us-east1-c", "us-east1-d", "us-east4-a", "us-east4-b", "us-east4-c", "us-west1-a", "us-west1-b", "us-west1-c", "us-west1-d", "us-west2-a", "us-west2-b", "us-west2-c", "us-west3-a", "us-west3-b", "us-west3-c", "us-west4-a", "us-west4-b", "us-west4-c", "northamerica-northeast1-a", "northamerica-northeast1-b", "northamerica-northeast1-c", "southamerica-east1-a", "southamerica-east1-b", "southamerica-east1-c", } var doZones = []string{ "nyc1", "nyc3", "sfo3", "ams3", "tor1", "sgp1", "lon1", "fra1", "blr1", } var hetznerZones = []string{ // eu-central "fsn1", "nbg1", "hel1", // us-east "ash", } var azureZones = []string{ "asia", "asiapacific", "australia", "australiacentral", "australiacentral2", "australiaeast", "australiasoutheast", "brazil", "brazilsouth", "brazilsoutheast", "canada", "canadacentral", "canadaeast", "centralindia", "centralus", "centraluseuap", "centralusstage", "eastasia", "eastasiastage", "eastus", "eastus2", "eastus2euap", "eastus2stage", "eastusstage", "europe", "francecentral", "francesouth", "germanynorth", "germanywestcentral", "global", "india", "japan", "japaneast", "japanwest", "koreacentral", "koreasouth", "northcentralus", "northcentralusstage", "northeurope", "norwayeast", "norwaywest", "southafricanorth", "southafricawest", "southcentralus", "southcentralusstage", "southeastasia", "southeastasiastage", "southindia", "switzerlandnorth", "switzerlandwest", "uaecentral", "uaenorth", "uk", "uksouth", "ukwest", "unitedstates", "westcentralus", "westeurope", "westindia", "westus", "westus2", "westus2stage", "westusstage", } // GuessCloudForZone tries to infer the cloudprovider from the zone name // Ali has the same zoneNames as AWS in the regions outside China, so if use AliCloud to install k8s in the regions outside China, // the users need to provide parameter "--cloud". But the regions inside China can be easily identified. func GuessCloudForZone(zone string) (kops.CloudProviderID, bool) { providers := clouds.SupportedClouds() var matches []kops.CloudProviderID for _, provider := range providers { zones := WellKnownZonesForCloud(provider) for _, z := range zones { if z == zone { matches = append(matches, provider) } } } if len(matches) == 0 { return "", false } if len(matches) > 1 { klog.Warningf("found multiple providers for zone %q, must pass --cloud", zone) return "", false } return matches[0], true } func WellKnownZonesForCloud(matchCloud kops.CloudProviderID) []string { switch matchCloud { case kops.CloudProviderAWS: return awsZones case kops.CloudProviderAzure: return azureZones case kops.CloudProviderDO: return doZones case kops.CloudProviderGCE: return gceZones case kops.CloudProviderHetzner: return hetznerZones default: return nil } }