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flag.go
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flag.go
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package app
import (
"github.com/giantswarm/microerror"
"github.com/spf13/cobra"
"github.com/giantswarm/kubectl-gs/pkg/annotations"
"github.com/giantswarm/kubectl-gs/pkg/labels"
)
const (
flagAppName = "app-name"
flagCatalog = "catalog"
flagCluster = "cluster"
flagDefaultingEnabled = "defaulting-enabled"
flagName = "name"
flagNamespace = "namespace"
flagNamespaceConfigAnnotations = "namespace-annotations"
flagNamespaceConfigLabels = "namespace-labels"
flagUserConfigMap = "user-configmap"
flagUserSecret = "user-secret"
flagVersion = "version"
)
type flag struct {
AppName string
Catalog string
Cluster string
DefaultingEnabled bool
Name string
Namespace string
Version string
flagNamespaceConfigAnnotations []string
flagNamespaceConfigLabels []string
flagUserConfigMap string
flagUserSecret string
}
func (f *flag) Init(cmd *cobra.Command) {
cmd.Flags().StringVar(&f.AppName, flagAppName, "", "Optionally set a different name for the App CR.")
cmd.Flags().StringVar(&f.Catalog, flagCatalog, "", "Catalog name where app is stored.")
cmd.Flags().StringVar(&f.Name, flagName, "", "Name of the app in the Catalog.")
cmd.Flags().StringVar(&f.Namespace, flagNamespace, "", "Namespace where the app will be deployed.")
cmd.Flags().StringVar(&f.Cluster, flagCluster, "", "Name of the cluster the app will be deployed to.")
cmd.Flags().BoolVar(&f.DefaultingEnabled, flagDefaultingEnabled, true, "Don't template fields that will be defaulted.")
cmd.Flags().StringVar(&f.flagUserConfigMap, flagUserConfigMap, "", "Path to the user values configmap YAML file.")
cmd.Flags().StringVar(&f.flagUserSecret, flagUserSecret, "", "Path to the user secrets YAML file.")
cmd.Flags().StringVar(&f.Version, flagVersion, "", "App version to be installed.")
cmd.Flags().StringSliceVar(&f.flagNamespaceConfigAnnotations, flagNamespaceConfigAnnotations, nil, "Namespace configuration annotations in form key=value.")
cmd.Flags().StringSliceVar(&f.flagNamespaceConfigLabels, flagNamespaceConfigLabels, nil, "Namespace configuration labels in form key=value.")
}
func (f *flag) Validate() error {
if f.Catalog == "" {
return microerror.Maskf(invalidFlagError, "--%s must not be empty", flagCatalog)
}
if f.Name == "" {
return microerror.Maskf(invalidFlagError, "--%s must not be empty", flagName)
}
if f.Namespace == "" {
return microerror.Maskf(invalidFlagError, "--%s must not be empty", flagNamespace)
}
if f.Cluster == "" {
return microerror.Maskf(invalidFlagError, "--%s must not be empty", flagCluster)
}
if f.Version == "" {
return microerror.Maskf(invalidFlagError, "--%s must not be empty", flagVersion)
}
_, err := labels.Parse(f.flagNamespaceConfigLabels)
if err != nil {
return microerror.Maskf(invalidFlagError, "--%s must contain valid label definitions (%s)", flagNamespaceConfigLabels, err)
}
_, err = annotations.Parse(f.flagNamespaceConfigAnnotations)
if err != nil {
return microerror.Maskf(invalidFlagError, "--%s must contain valid annotation definitions (%s)", flagNamespaceConfigAnnotations, err)
}
return nil
}