-
Notifications
You must be signed in to change notification settings - Fork 9
/
resourceclass.go
81 lines (63 loc) · 2.68 KB
/
resourceclass.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
// Copyright 2022 Namespace Labs Inc; All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package parsing
import (
"context"
"google.golang.org/protobuf/reflect/protodesc"
"namespacelabs.dev/foundation/internal/codegen/protos"
"namespacelabs.dev/foundation/internal/fnerrors"
"namespacelabs.dev/foundation/schema"
"namespacelabs.dev/foundation/std/pkggraph"
)
func transformResourceClasses(ctx context.Context, pl EarlyPackageLoader, pp *pkggraph.Package) error {
parseOpts, err := MakeProtoParseOpts(ctx, pl, pp.Location.Module.Workspace)
if err != nil {
return err
}
for _, rc := range pp.ResourceClassSpecs {
if rc.Name == "" {
return fnerrors.NewWithLocation(pp.Location, "resource class name can't be empty")
}
rc.PackageName = pp.Location.PackageName.String()
instanceType, err := loadUserType(ctx, pl, parseOpts, pp.Location, rc.InstanceType)
if err != nil {
return err
}
transformed := pkggraph.ResourceClass{
Ref: &schema.PackageRef{PackageName: rc.PackageName, Name: rc.Name},
Source: rc,
InstanceType: instanceType,
DefaultProvider: schema.PackageName(rc.DefaultProvider),
}
pp.ResourceClasses = append(pp.ResourceClasses, transformed)
}
return nil
}
func loadUserType(ctx context.Context, pl EarlyPackageLoader, parseOpts protos.ParseOpts, loc pkggraph.Location, spec *schema.ResourceType) (pkggraph.UserType, error) {
switch spec.ProtoType {
case "foundation.schema.PackageRef":
md := (&schema.PackageRef{}).ProtoReflect().Descriptor()
file := protodesc.ToFileDescriptorProto(md.ParentFile())
fds := &protos.FileDescriptorSetAndDeps{}
fds.File = append(fds.File, file)
files, err := protodesc.NewFiles(fds.AsFileDescriptorSet())
if err != nil {
return pkggraph.UserType{}, fnerrors.NewWithLocation(loc, "failed to generate registry files: %v", err)
}
return pkggraph.UserType{Descriptor: md, Sources: fds, Registry: files}, nil
}
protoLoc, err := pl.Resolve(ctx, schema.PackageName(spec.ProtoPackage))
if err != nil {
return pkggraph.UserType{}, fnerrors.AttachLocation(loc, err)
}
fds, err := parseOpts.ParseAtLocation(protoLoc.Module.ReadOnlyFS(), protoLoc, []string{spec.ProtoSource})
if err != nil {
return pkggraph.UserType{}, fnerrors.NewWithLocation(loc, "failed to parse proto sources %v: %v", spec.ProtoSource, err)
}
files, md, err := protos.LoadMessageByName(fds, spec.ProtoType)
if err != nil {
return pkggraph.UserType{}, fnerrors.NewWithLocation(loc, "failed to load message %q: %v", spec.ProtoType, err)
}
return pkggraph.UserType{Descriptor: md, Sources: fds, Registry: files}, nil
}