k9s/internal/client/helpers.go

76 lines
1.7 KiB
Go

package client
import (
"os/user"
"path"
"regexp"
"strings"
"github.com/rs/zerolog/log"
)
var toFileName = regexp.MustCompile(`[^(\w/\.)]`)
// IsClusterWide returns true if ns designates cluster scope, false otherwise.
func IsClusterWide(ns string) bool {
return ns == NamespaceAll || ns == AllNamespaces || ns == ClusterScope
}
// IsAllNamespace returns true if ns == all.
func IsAllNamespace(ns string) bool {
return ns == NamespaceAll
}
// IsAllNamespaces returns true if all namespaces, false otherwise.
func IsAllNamespaces(ns string) bool {
return ns == NamespaceAll || ns == AllNamespaces
}
// IsNamespaced returns true if a specific ns is given.
func IsNamespaced(ns string) bool {
return !IsClusterScoped(ns)
}
// IsClusterScoped returns true if resource is not namespaced.
func IsClusterScoped(ns string) bool {
return ns == ClusterScope
}
// NormalizeNS normalizes a namespace name to a k8s ns known designation.
func NormalizeNS(ns string) string {
switch ns {
case NamespaceAll, ClusterScope:
return ""
default:
return ns
}
}
// Namespaced converts a resource path to namespace and resource name.
func Namespaced(p string) (string, string) {
ns, n := path.Split(p)
return strings.Trim(ns, "/"), n
}
// FQN returns a fully qualified resource name.
func FQN(ns, n string) string {
if ns == "" {
return n
}
return ns + "/" + n
}
func mustHomeDir() string {
usr, err := user.Current()
if err != nil {
log.Fatal().Err(err).Msg("Die getting user home directory")
}
return usr.HomeDir
}
func toHostDir(host string) string {
h := strings.Replace(strings.Replace(host, "https://", "", 1), "http://", "", 1)
return toFileName.ReplaceAllString(h, "_")
}