forked from kubernetes/kops
/
utils.go
95 lines (77 loc) · 2.13 KB
/
utils.go
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package cloudup
import (
"fmt"
"k8s.io/kops/upup/pkg/api"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/upup/pkg/fi/cloudup/awsup"
"k8s.io/kops/upup/pkg/fi/cloudup/gce"
"strings"
)
func BuildCloud(cluster *api.Cluster) (fi.Cloud, error) {
var cloud fi.Cloud
region := ""
project := ""
switch cluster.Spec.CloudProvider {
case "gce":
{
nodeZones := make(map[string]bool)
for _, zone := range cluster.Spec.Zones {
nodeZones[zone.Name] = true
tokens := strings.Split(zone.Name, "-")
if len(tokens) <= 2 {
return nil, fmt.Errorf("Invalid GCE Zone: %v", zone.Name)
}
zoneRegion := tokens[0] + "-" + tokens[1]
if region != "" && zoneRegion != region {
return nil, fmt.Errorf("Clusters cannot span multiple regions (found zone %q, but region is %q)", zone.Name, region)
}
region = zoneRegion
}
project = cluster.Spec.Project
if project == "" {
return nil, fmt.Errorf("project is required for GCE")
}
gceCloud, err := gce.NewGCECloud(region, project)
if err != nil {
return nil, err
}
cloud = gceCloud
}
case "aws":
{
nodeZones := make(map[string]bool)
for _, zone := range cluster.Spec.Zones {
if len(zone.Name) <= 2 {
return nil, fmt.Errorf("Invalid AWS zone: %q", zone.Name)
}
nodeZones[zone.Name] = true
zoneRegion := zone.Name[:len(zone.Name)-1]
if region != "" && zoneRegion != region {
return nil, fmt.Errorf("Clusters cannot span multiple regions (found zone %q, but region is %q)", zone.Name, region)
}
region = zoneRegion
}
err := awsup.ValidateRegion(region)
if err != nil {
return nil, err
}
cloudTags := map[string]string{awsup.TagClusterName: cluster.Name}
awsCloud, err := awsup.NewAWSCloud(region, cloudTags)
if err != nil {
return nil, err
}
var zoneNames []string
for _, z := range cluster.Spec.Zones {
zoneNames = append(zoneNames, z.Name)
}
err = awsup.ValidateZones(zoneNames, awsCloud)
if err != nil {
return nil, err
}
cloud = awsCloud
}
default:
return nil, fmt.Errorf("unknown CloudProvider %q", cluster.Spec.CloudProvider)
}
return cloud, nil
}