/
json.go
104 lines (93 loc) · 2.16 KB
/
json.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
// Copyright 2023 The Okteto 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 displayer
import (
"bufio"
"context"
"io"
"os"
"sync"
oktetoLog "github.com/okteto/okteto/pkg/log"
)
type jsonDisplayer struct {
stdoutScanner *bufio.Scanner
stderrScanner *bufio.Scanner
commandContext context.Context
cancel context.CancelFunc
}
func newJSONDisplayer(stdout, stderr io.Reader) *jsonDisplayer {
var (
stdoutScanner *bufio.Scanner
stderrScanner *bufio.Scanner
)
if stdout != nil {
stdoutScanner = bufio.NewScanner(stdout)
}
if stderr != nil {
stderrScanner = bufio.NewScanner(stderr)
}
commandContext, cancel := context.WithCancel(context.Background())
return &jsonDisplayer{
stdoutScanner: stdoutScanner,
stderrScanner: stderrScanner,
commandContext: commandContext,
cancel: cancel,
}
}
func (d *jsonDisplayer) Display(_ string) {
var wg sync.WaitGroup
wgDelta := 0
if d.stdoutScanner != nil {
wgDelta++
}
if d.stderrScanner != nil {
wgDelta++
}
wg.Add(wgDelta)
if d.stdoutScanner != nil {
go func() {
for d.stdoutScanner.Scan() {
select {
case <-d.commandContext.Done():
default:
line := d.stdoutScanner.Text()
oktetoLog.FPrintln(os.Stdout, line)
continue
}
break
}
wg.Done()
}()
}
if d.stderrScanner != nil {
go func() {
for d.stderrScanner.Scan() {
select {
case <-d.commandContext.Done():
default:
line := d.stderrScanner.Text()
oktetoLog.FPrintln(os.Stdout, line)
continue
}
break
}
wg.Done()
}()
}
wg.Wait()
}
// CleanUp stops displaying
func (d *jsonDisplayer) CleanUp(_ error) {
d.cancel()
<-d.commandContext.Done()
}