-
Notifications
You must be signed in to change notification settings - Fork 140
/
wait.go
132 lines (113 loc) · 3.11 KB
/
wait.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
// Copyright 2020 The PipeCD Authors.
//
// 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 wait
import (
"context"
"fmt"
"strconv"
"time"
"go.uber.org/zap"
"github.com/pipe-cd/pipe/pkg/app/piped/executor"
"github.com/pipe-cd/pipe/pkg/model"
)
const (
defaultDuration = time.Minute
logInterval = 10 * time.Second
startTimeKey = "startTime"
)
type Executor struct {
executor.Input
}
type registerer interface {
Register(stage model.Stage, f executor.Factory) error
}
// Register registers this executor factory into a given registerer.
func Register(r registerer) {
f := func(in executor.Input) executor.Executor {
return &Executor{
Input: in,
}
}
r.Register(model.StageWait, f)
}
// Execute starts waiting for the specified duration.
func (e *Executor) Execute(sig executor.StopSignal) model.StageStatus {
var (
originalStatus = e.Stage.Status
duration = defaultDuration
)
// Apply the stage configurations.
if opts := e.StageConfig.WaitStageOptions; opts != nil {
if opts.Duration > 0 {
duration = opts.Duration.Duration()
}
}
totalDuration := duration
// Retrieve the saved startTime from the previous run.
startTime := e.retrieveStartTime()
if !startTime.IsZero() {
duration -= time.Since(startTime)
if duration < 0 {
duration = 0
}
} else {
startTime = time.Now()
}
defer e.saveStartTime(sig.Context(), startTime)
timer := time.NewTimer(duration)
defer timer.Stop()
ticker := time.NewTicker(logInterval)
defer ticker.Stop()
e.LogPersister.AppendInfo(fmt.Sprintf("Waiting for %v...", duration))
select {
case <-timer.C:
break
case <-ticker.C:
e.LogPersister.AppendInfo(fmt.Sprintf("%v elapsed...", time.Since(startTime)))
case s := <-sig.Ch():
switch s {
case executor.StopSignalCancel:
return model.StageStatus_STAGE_CANCELLED
case executor.StopSignalTerminate:
return originalStatus
default:
return model.StageStatus_STAGE_FAILURE
}
}
e.LogPersister.AppendInfo(fmt.Sprintf("Waited for %v", totalDuration))
return model.StageStatus_STAGE_SUCCESS
}
func (e *Executor) retrieveStartTime() (t time.Time) {
metadata, ok := e.MetadataStore.GetStageMetadata(e.Stage.Id)
if !ok {
return
}
s, ok := metadata[startTimeKey]
if !ok {
return
}
ut, err := strconv.ParseInt(s, 10, 64)
if err != nil {
return
}
return time.Unix(ut, 0)
}
func (e *Executor) saveStartTime(ctx context.Context, t time.Time) {
metadata := map[string]string{
startTimeKey: strconv.FormatInt(t.Unix(), 10),
}
if err := e.MetadataStore.SetStageMetadata(ctx, e.Stage.Id, metadata); err != nil {
e.Logger.Error("failed to store metadata", zap.Error(err))
}
}