pulumi/sdk/go/common/resource/alias.go

43 lines
1.0 KiB
Go

package resource
import (
"fmt"
"strings"
)
type Alias struct {
URN URN
Name string
Type string
Project string
Stack string
Parent URN
NoParent bool
}
func (a *Alias) GetURN() URN {
if a.URN != "" {
return a.URN
}
return CreateURN(a.Name, a.Type, a.Parent, a.Project, a.Stack)
}
// CreateURN computes a URN from the combination of a resource name, resource type, and optional parent,
func CreateURN(name string, t string, parent URN, project string, stack string) URN {
createURN := func(parent URN, stack string, project string, t string, name string) URN {
parentString := string(parent)
var parentPrefix string
if parent == "" {
parentPrefix = "urn:pulumi:" + stack + "::" + project + "::"
} else {
ix := strings.LastIndex(parentString, "::")
if ix == -1 {
panic(fmt.Sprintf("Expected 'parent' string '%s' to contain '::'", parent))
}
parentPrefix = parentString[0:ix] + "$"
}
return URN(parentPrefix + t + "::" + name)
}
return createURN(parent, stack, project, t, name)
}