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realvalidvaluesfetcher.go
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realvalidvaluesfetcher.go
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package validation
import (
"github.com/gophercloud/gophercloud/openstack/identity/v3/regions"
"github.com/gophercloud/gophercloud/openstack/imageservice/v2/images"
"github.com/gophercloud/gophercloud/openstack/networking/v2/networks"
"github.com/gophercloud/utils/openstack/clientconfig"
)
type realValidValuesFetcher struct{}
// NewValidValuesFetcher returns a new ValidValuesFetcher.
func NewValidValuesFetcher() ValidValuesFetcher {
return realValidValuesFetcher{}
}
// GetCloudNames gets the valid cloud names. These are read from clouds.yaml.
func (f realValidValuesFetcher) GetCloudNames() ([]string, error) {
clouds, err := clientconfig.LoadCloudsYAML()
if err != nil {
return nil, err
}
i := 0
cloudNames := make([]string, len(clouds))
for k := range clouds {
cloudNames[i] = k
i++
}
return cloudNames, nil
}
// GetRegionNames gets the valid region names.
func (f realValidValuesFetcher) GetRegionNames(cloud string) ([]string, error) {
opts := &clientconfig.ClientOpts{
Cloud: cloud,
}
conn, err := clientconfig.NewServiceClient("identity", opts)
if err != nil {
return nil, err
}
listOpts := regions.ListOpts{}
allPages, err := regions.List(conn, listOpts).AllPages()
if err != nil {
return nil, err
}
allRegions, err := regions.ExtractRegions(allPages)
if err != nil {
return nil, err
}
regionNames := make([]string, len(allRegions))
for x, region := range allRegions {
regionNames[x] = region.ID
}
return regionNames, nil
}
// GetImageNames gets the valid image names.
func (f realValidValuesFetcher) GetImageNames(cloud string) ([]string, error) {
opts := &clientconfig.ClientOpts{
Cloud: cloud,
}
conn, err := clientconfig.NewServiceClient("image", opts)
if err != nil {
return nil, err
}
listOpts := images.ListOpts{}
allPages, err := images.List(conn, listOpts).AllPages()
if err != nil {
return nil, err
}
allImages, err := images.ExtractImages(allPages)
if err != nil {
return nil, err
}
imageNames := make([]string, len(allImages))
for x, image := range allImages {
imageNames[x] = image.Name
}
return imageNames, nil
}
// GetNetworkNames gets the valid network names.
func (f realValidValuesFetcher) GetNetworkNames(cloud string) ([]string, error) {
opts := &clientconfig.ClientOpts{
Cloud: cloud,
}
conn, err := clientconfig.NewServiceClient("network", opts)
if err != nil {
return nil, err
}
listOpts := networks.ListOpts{}
allPages, err := networks.List(conn, listOpts).AllPages()
if err != nil {
return nil, err
}
allNetworks, err := networks.ExtractNetworks(allPages)
if err != nil {
return nil, err
}
networkNames := make([]string, len(allNetworks))
for x, network := range allNetworks {
networkNames[x] = network.Name
}
return networkNames, nil
}