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flag.go
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flag.go
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package app
import (
"fmt"
"strings"
"github.com/giantswarm/microerror"
"github.com/spf13/cobra"
"github.com/giantswarm/kubectl-gs/v2/internal/key"
)
const (
flagAzureSubscriptionID = "azure-subscription-id"
flagProvider = "provider"
flagRegion = "region"
)
type flag struct {
Provider string
Region string
AzureSubscriptionID string
}
func supportedProviders() []string {
return []string{
key.ProviderCAPA,
key.ProviderCAPZ,
key.ProviderGCP,
key.ProviderOpenStack,
key.ProviderVSphere,
}
}
func (f *flag) Init(cmd *cobra.Command) {
cmd.Flags().StringVar(&f.Provider, flagProvider, "", fmt.Sprintf("Installation infrastructure provider, supported values: %s", strings.Join(supportedProviders(), ", ")))
cmd.Flags().StringVar(&f.Region, flagRegion, "", "AWS/Azure/GCP region where cluster will be created")
// Azure only
cmd.Flags().StringVar(&f.AzureSubscriptionID, flagAzureSubscriptionID, "", "Azure subscription ID")
}
func (f *flag) Validate() error {
isValidProvider := false
for _, p := range supportedProviders() {
if f.Provider == p {
isValidProvider = true
break
}
}
if !isValidProvider {
return microerror.Maskf(invalidFlagError, "--%s must be one of: %s", flagProvider, strings.Join(supportedProviders(), ", "))
}
return nil
}