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
|
package plugins // import "github.com/docker/docker/pkg/plugins"
import (
"bytes"
"encoding/json"
"io"
"net/http"
"os"
"path/filepath"
"runtime"
"sync"
"testing"
"time"
"github.com/docker/docker/pkg/plugins/transport"
"github.com/docker/go-connections/tlsconfig"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
)
const (
fruitPlugin = "fruit"
fruitImplements = "apple"
)
// regression test for deadlock in handlers
func TestPluginAddHandler(t *testing.T) {
// make a plugin which is pre-activated
p := &Plugin{activateWait: sync.NewCond(&sync.Mutex{})}
p.Manifest = &Manifest{Implements: []string{"bananas"}}
storage.plugins["qwerty"] = p
testActive(t, p)
Handle("bananas", func(_ string, _ *Client) {})
testActive(t, p)
}
func TestPluginWaitBadPlugin(t *testing.T) {
p := &Plugin{activateWait: sync.NewCond(&sync.Mutex{})}
p.activateErr = errors.New("some junk happened")
testActive(t, p)
}
func testActive(t *testing.T, p *Plugin) {
done := make(chan struct{})
go func() {
p.waitActive()
close(done)
}()
select {
case <-time.After(100 * time.Millisecond):
_, f, l, _ := runtime.Caller(1)
t.Fatalf("%s:%d: deadlock in waitActive", filepath.Base(f), l)
case <-done:
}
}
func TestGet(t *testing.T) {
p := &Plugin{name: fruitPlugin, activateWait: sync.NewCond(&sync.Mutex{})}
p.Manifest = &Manifest{Implements: []string{fruitImplements}}
storage.plugins[fruitPlugin] = p
plugin, err := Get(fruitPlugin, fruitImplements)
if err != nil {
t.Fatal(err)
}
if p.Name() != plugin.Name() {
t.Fatalf("No matching plugin with name %s found", plugin.Name())
}
if plugin.Client() != nil {
t.Fatal("expected nil Client but found one")
}
if !plugin.IsV1() {
t.Fatal("Expected true for V1 plugin")
}
// check negative case where plugin fruit doesn't implement banana
_, err = Get("fruit", "banana")
assert.Assert(t, errors.Is(err, ErrNotImplements))
// check negative case where plugin vegetable doesn't exist
_, err = Get("vegetable", "potato")
assert.Assert(t, errors.Is(err, ErrNotFound))
}
func TestPluginWithNoManifest(t *testing.T) {
addr := setupRemotePluginServer()
defer teardownRemotePluginServer()
m := Manifest{[]string{fruitImplements}}
var buf bytes.Buffer
if err := json.NewEncoder(&buf).Encode(m); err != nil {
t.Fatal(err)
}
mux.HandleFunc("/Plugin.Activate", func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
t.Fatalf("Expected POST, got %s\n", r.Method)
}
header := w.Header()
header.Set("Content-Type", transport.VersionMimetype)
io.Copy(w, &buf)
})
p := &Plugin{
name: fruitPlugin,
activateWait: sync.NewCond(&sync.Mutex{}),
Addr: addr,
TLSConfig: &tlsconfig.Options{InsecureSkipVerify: true},
}
storage.plugins[fruitPlugin] = p
plugin, err := Get(fruitPlugin, fruitImplements)
if err != nil {
t.Fatal(err)
}
if p.Name() != plugin.Name() {
t.Fatalf("No matching plugin with name %s found", plugin.Name())
}
}
func TestGetAll(t *testing.T) {
tmpdir, unregister, r := Setup(t)
defer unregister()
p := filepath.Join(tmpdir, "example.json")
spec := `{
"Name": "example",
"Addr": "https://example.com/docker/plugin"
}`
if err := os.WriteFile(p, []byte(spec), 0644); err != nil {
t.Fatal(err)
}
plugin, err := r.Plugin("example")
if err != nil {
t.Fatal(err)
}
plugin.Manifest = &Manifest{Implements: []string{"apple"}}
storage.plugins["example"] = plugin
fetchedPlugins, err := r.GetAll("apple")
if err != nil {
t.Fatal(err)
}
if fetchedPlugins[0].Name() != plugin.Name() {
t.Fatalf("Expected to get plugin with name %s", plugin.Name())
}
}
|
