pulumi/pkg/codegen/go/embeddedUtilities.go

150 lines
3.3 KiB
Go

//go:build exclude
package utilities
import (
"github.com/pulumi/pulumi/sdk/v3/go/pulumi/internals"
)
type envParser func(v string) interface{}
func ParseEnvBool(v string) interface{} {
b, err := strconv.ParseBool(v)
if err != nil {
return nil
}
return b
}
func ParseEnvInt(v string) interface{} {
i, err := strconv.ParseInt(v, 0, 0)
if err != nil {
return nil
}
return int(i)
}
func ParseEnvFloat(v string) interface{} {
f, err := strconv.ParseFloat(v, 64)
if err != nil {
return nil
}
return f
}
func ParseEnvStringArray(v string) interface{} {
var result pulumi.StringArray
for _, item := range strings.Split(v, ";") {
result = append(result, pulumi.String(item))
}
return result
}
func GetEnvOrDefault(def interface{}, parser envParser, vars ...string) interface{} {
for _, v := range vars {
if value, ok := os.LookupEnv(v); ok {
if parser != nil {
return parser(value)
}
return value
}
}
return def
}
// PkgVersion uses reflection to determine the version of the current package.
// If a version cannot be determined, v1 will be assumed. The second return
// value is always nil.
func PkgVersion() (semver.Version, error) {
// emptyVersion defaults to v0.0.0
if !SdkVersion.Equals(semver.Version{}) {
return SdkVersion, nil
}
type sentinal struct{}
pkgPath := reflect.TypeOf(sentinal{}).PkgPath()
re := regexp.MustCompile("${packageRegex}")
if match := re.FindStringSubmatch(pkgPath); match != nil {
vStr := match[1]
if len(vStr) == 0 { // If the version capture group was empty, default to v1.
return semver.Version{Major: 1}, nil
}
return semver.MustParse(fmt.Sprintf("%s.0.0", vStr[2:])), nil
}
return semver.Version{Major: 1}, nil
}
// isZero is a null safe check for if a value is it's types zero value.
func IsZero(v interface{}) bool {
if v == nil {
return true
}
return reflect.ValueOf(v).IsZero()
}
func CallPlain(
ctx *pulumi.Context,
tok string,
args pulumi.Input,
output pulumi.Output,
self pulumi.Resource,
property string,
resultPtr reflect.Value,
errorPtr *error,
opts ...pulumi.InvokeOption,
) {
res, err := callPlainInner(ctx, tok, args, output, self, opts...)
if err != nil {
*errorPtr = err
return
}
v := reflect.ValueOf(res)
// extract res.property field if asked to do so
if property != "" {
v = v.FieldByName("Res")
}
// return by setting the result pointer; this style of returns shortens the generated code without generics
resultPtr.Elem().Set(v)
}
func callPlainInner(
ctx *pulumi.Context,
tok string,
args pulumi.Input,
output pulumi.Output,
self pulumi.Resource,
opts ...pulumi.InvokeOption,
) (any, error) {
o, err := ctx.Call(tok, args, output, self, opts...)
if err != nil {
return nil, err
}
outputData, err := internals.UnsafeAwaitOutput(ctx.Context(), o)
if err != nil {
return nil, err
}
// Ingoring deps silently. They are typically non-empty, r.f() calls include r as a dependency.
known := outputData.Known
value := outputData.Value
secret := outputData.Secret
problem := ""
if !known {
problem = "an unknown value"
} else if secret {
problem = "a secret value"
}
if problem != "" {
return nil, fmt.Errorf("Plain resource method %q incorrectly returned %s. "+
"This is an error in the provider, please report this to the provider developer.",
tok, problem)
}
return value, nil
}