-
Notifications
You must be signed in to change notification settings - Fork 1.1k
/
journal.go
243 lines (215 loc) 路 7.12 KB
/
journal.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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
// Copyright 2016-2022, Pulumi Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package engine
import (
"errors"
"github.com/pulumi/pulumi/pkg/v3/resource/deploy"
"github.com/pulumi/pulumi/pkg/v3/secrets"
"github.com/pulumi/pulumi/sdk/v3/go/common/resource"
"github.com/pulumi/pulumi/sdk/v3/go/common/util/contract"
"github.com/pulumi/pulumi/sdk/v3/go/common/util/logging"
"github.com/pulumi/pulumi/sdk/v3/go/common/workspace"
)
var _ = SnapshotManager((*Journal)(nil))
type JournalEntryKind int
const (
JournalEntryBegin JournalEntryKind = 0
JournalEntrySuccess JournalEntryKind = 1
JournalEntryFailure JournalEntryKind = 2
JournalEntryOutputs JournalEntryKind = 4
)
type JournalEntry struct {
Kind JournalEntryKind
Step deploy.Step
}
type JournalEntries []JournalEntry
func (entries JournalEntries) Snap(base *deploy.Snapshot) (*deploy.Snapshot, error) {
// Build up a list of current resources by replaying the journal.
resources, dones := []*resource.State{}, make(map[*resource.State]bool)
ops, doneOps := []resource.Operation{}, make(map[*resource.State]bool)
for _, e := range entries {
logging.V(7).Infof("%v %v (%v)", e.Step.Op(), e.Step.URN(), e.Kind)
// Begin journal entries add pending operations to the snapshot. As we see success or failure
// entries, we'll record them in doneOps.
switch e.Kind {
case JournalEntryBegin:
switch e.Step.Op() {
case deploy.OpCreate, deploy.OpCreateReplacement:
ops = append(ops, resource.NewOperation(e.Step.New(), resource.OperationTypeCreating))
case deploy.OpDelete, deploy.OpDeleteReplaced, deploy.OpReadDiscard, deploy.OpDiscardReplaced:
ops = append(ops, resource.NewOperation(e.Step.Old(), resource.OperationTypeDeleting))
case deploy.OpRead, deploy.OpReadReplacement:
ops = append(ops, resource.NewOperation(e.Step.New(), resource.OperationTypeReading))
case deploy.OpUpdate:
ops = append(ops, resource.NewOperation(e.Step.New(), resource.OperationTypeUpdating))
case deploy.OpImport, deploy.OpImportReplacement:
ops = append(ops, resource.NewOperation(e.Step.New(), resource.OperationTypeImporting))
}
case JournalEntryFailure, JournalEntrySuccess:
switch e.Step.Op() {
//nolint:lll
case deploy.OpCreate, deploy.OpCreateReplacement, deploy.OpRead, deploy.OpReadReplacement, deploy.OpUpdate,
deploy.OpImport, deploy.OpImportReplacement:
doneOps[e.Step.New()] = true
case deploy.OpDelete, deploy.OpDeleteReplaced, deploy.OpReadDiscard, deploy.OpDiscardReplaced:
doneOps[e.Step.Old()] = true
}
case JournalEntryOutputs:
// We do nothing for outputs, since they don't affect the snapshot.
}
// Now mark resources done as necessary.
if e.Kind == JournalEntrySuccess {
switch e.Step.Op() {
case deploy.OpSame:
step, ok := e.Step.(*deploy.SameStep)
contract.Assertf(ok, "expected *deploy.SameStep, got %T", e.Step)
if !step.IsSkippedCreate() {
resources = append(resources, e.Step.New())
dones[e.Step.Old()] = true
}
case deploy.OpUpdate:
resources = append(resources, e.Step.New())
dones[e.Step.Old()] = true
case deploy.OpCreate, deploy.OpCreateReplacement:
resources = append(resources, e.Step.New())
if old := e.Step.Old(); old != nil && old.PendingReplacement {
dones[old] = true
}
case deploy.OpDelete, deploy.OpDeleteReplaced, deploy.OpReadDiscard, deploy.OpDiscardReplaced:
if old := e.Step.Old(); !old.PendingReplacement {
dones[old] = true
}
case deploy.OpReplace:
// do nothing.
case deploy.OpRead, deploy.OpReadReplacement:
resources = append(resources, e.Step.New())
if e.Step.Old() != nil {
dones[e.Step.Old()] = true
}
case deploy.OpRemovePendingReplace:
dones[e.Step.Old()] = true
case deploy.OpImport, deploy.OpImportReplacement:
resources = append(resources, e.Step.New())
dones[e.Step.New()] = true
}
}
}
// Append any resources from the base snapshot that were not produced by the current snapshot.
// See backend.SnapshotManager.snap for why this works.
if base != nil {
for _, res := range base.Resources {
if !dones[res] {
resources = append(resources, res)
}
}
}
// Append any pending operations.
var operations []resource.Operation
for _, op := range ops {
if !doneOps[op.Resource] {
operations = append(operations, op)
}
}
if base != nil {
// Track pending create operations from the base snapshot
// and propagate them to the new snapshot: we don't want to clear pending CREATE operations
// because these must require user intervention to be cleared or resolved.
for _, pendingOperation := range base.PendingOperations {
if pendingOperation.Type == resource.OperationTypeCreating {
operations = append(operations, pendingOperation)
}
}
}
// If we have a base snapshot, copy over its secrets manager.
var secretsManager secrets.Manager
if base != nil {
secretsManager = base.SecretsManager
}
manifest := deploy.Manifest{}
manifest.Magic = manifest.NewMagic()
snap := deploy.NewSnapshot(manifest, secretsManager, resources, operations)
normSnap, err := snap.NormalizeURNReferences()
if err != nil {
return snap, err
}
return normSnap, normSnap.VerifyIntegrity()
}
type Journal struct {
entries JournalEntries
events chan JournalEntry
cancel chan bool
done chan bool
}
func (j *Journal) Entries() JournalEntries {
<-j.done
return j.entries
}
func (j *Journal) Close() error {
close(j.cancel)
<-j.done
return nil
}
func (j *Journal) BeginMutation(step deploy.Step) (SnapshotMutation, error) {
select {
case j.events <- JournalEntry{Kind: JournalEntryBegin, Step: step}:
return j, nil
case <-j.cancel:
return nil, errors.New("journal closed")
}
}
func (j *Journal) End(step deploy.Step, success bool) error {
kind := JournalEntryFailure
if success {
kind = JournalEntrySuccess
}
select {
case j.events <- JournalEntry{Kind: kind, Step: step}:
return nil
case <-j.cancel:
return errors.New("journal closed")
}
}
func (j *Journal) RegisterResourceOutputs(step deploy.Step) error {
select {
case j.events <- JournalEntry{Kind: JournalEntryOutputs, Step: step}:
return nil
case <-j.cancel:
return errors.New("journal closed")
}
}
func (j *Journal) RecordPlugin(plugin workspace.PluginInfo) error {
return nil
}
func (j *Journal) Snap(base *deploy.Snapshot) (*deploy.Snapshot, error) {
return j.entries.Snap(base)
}
func NewJournal() *Journal {
j := &Journal{
events: make(chan JournalEntry),
cancel: make(chan bool),
done: make(chan bool),
}
go func() {
for {
select {
case <-j.cancel:
close(j.done)
return
case e := <-j.events:
j.entries = append(j.entries, e)
}
}
}()
return j
}