-
Notifications
You must be signed in to change notification settings - Fork 9
/
bootstrap.go
177 lines (143 loc) · 4.36 KB
/
bootstrap.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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
// 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 provisioning
import (
"context"
"encoding/json"
"io/fs"
"log"
"google.golang.org/grpc"
"google.golang.org/protobuf/proto"
"namespacelabs.dev/foundation/internal/fnerrors"
"namespacelabs.dev/foundation/internal/fnfs/memfs"
"namespacelabs.dev/foundation/internal/planning/tool/protocol"
"namespacelabs.dev/foundation/std/execution/defs"
)
func init() {
log.SetFlags(log.LstdFlags | log.Lmicroseconds)
}
type Request struct {
Snapshots map[string]fs.FS
r *protocol.ToolRequest
}
// XXX remove Tool when all the uses are gone.
type Tool interface {
StackHandler
}
type AllHandlers interface {
StackHandler
Invoke(context.Context, Request) (*protocol.InvokeResponse, error)
}
func (p Request) CheckUnpackInput(msg proto.Message) (bool, error) {
for _, env := range p.r.Input {
if env.MessageIs(msg) {
if msg == nil {
return false, fnerrors.New("msg is nil")
}
return true, env.UnmarshalTo(msg)
}
}
return false, nil
}
func (p Request) UnpackInput(msg proto.Message) error {
has, err := p.CheckUnpackInput(msg)
if err == nil && !has {
return fnerrors.InternalError("no such input: %s", msg.ProtoReflect().Descriptor().FullName())
}
return err
}
// PackageOwner returns the name of the package that defined this tool.
func (p Request) PackageOwner() string {
return p.r.GetToolPackage()
}
func Handle(h *Handlers) {
if err := HandleInvocation(context.Background(), func(sr grpc.ServiceRegistrar) {
protocol.RegisterInvocationServiceServer(sr, h.ServiceHandler())
}); err != nil {
log.Fatal(err)
}
}
func HandleInvoke(f InvokeFunc) {
h := NewHandlers()
h.Any().HandleInvoke(f)
Handle(h)
}
func handleRequest(ctx context.Context, req *protocol.ToolRequest, handlers AllHandlers) (*protocol.ToolResponse, error) {
br := Request{r: req, Snapshots: map[string]fs.FS{}}
for _, snapshot := range req.Snapshot {
var m memfs.FS
for _, entry := range snapshot.Entry {
m.Add(entry.Path, entry.Contents)
}
br.Snapshots[snapshot.Name] = &m
}
response := &protocol.ToolResponse{}
switch x := req.RequestType.(type) {
case *protocol.ToolRequest_ApplyRequest:
p, err := parseStackRequest(br, x.ApplyRequest.Header)
if err != nil {
return nil, err
}
var out ApplyOutput
if err := handlers.Apply(ctx, p, &out); err != nil {
return nil, err
}
response.ApplyResponse = &protocol.ApplyResponse{}
for _, ext := range out.ServerExtensions {
if ext.TargetServer == "" {
ext.TargetServer = p.Focus.GetPackageName().String()
}
response.ApplyResponse.ServerExtension = append(response.ApplyResponse.ServerExtension, ext)
}
for _, input := range out.Extensions {
packed, err := input.ToDefinition()
if err != nil {
return nil, err
}
if packed.For == "" {
packed.For = p.Focus.GetPackageName().String()
}
response.ApplyResponse.Extension = append(response.ApplyResponse.Extension, packed)
}
response.ApplyResponse.Invocation, err = defs.Make(out.Invocations...)
if err != nil {
return nil, err
}
response.ApplyResponse.InvocationSource = out.InvocationSources
response.ApplyResponse.Computed = out.Computed
response.ApplyResponse.OutputResourceInstance = out.OutputResourceInstance
for _, computed := range out.ComputedResourceInput {
intent, err := json.Marshal(computed.Intent)
if err != nil {
return nil, err
}
response.ApplyResponse.ComputedResourceInput = append(response.ApplyResponse.ComputedResourceInput, &protocol.ApplyResponse_ResourceInput{
Name: computed.Name,
Class: computed.Class,
SerializedIntentJson: string(intent),
})
}
case *protocol.ToolRequest_DeleteRequest:
p, err := parseStackRequest(br, x.DeleteRequest.Header)
if err != nil {
return nil, err
}
var out DeleteOutput
if err := handlers.Delete(ctx, p, &out); err != nil {
return nil, err
}
response.DeleteResponse = &protocol.DeleteResponse{}
response.DeleteResponse.Invocation, err = defs.Make(out.Invocations...)
if err != nil {
return nil, err
}
case *protocol.ToolRequest_InvokeRequest:
output, err := handlers.Invoke(ctx, br)
if err != nil {
return nil, err
}
response.InvokeResponse = output
}
return response, nil
}