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
|
package lib
import (
"fmt"
"runtime/debug"
configImpl "github.com/roadrunner-server/config/v4"
"github.com/roadrunner-server/endure/v2"
"github.com/roadrunner-server/roadrunner/v2023/container"
)
const (
rrPrefix string = "rr"
rrModule string = "github.com/roadrunner-server/roadrunner/v2023"
)
type RR struct {
container *endure.Endure
stop chan struct{}
Version string
}
// NewRR creates a new RR instance that can then be started or stopped by the caller
func NewRR(cfgFile string, override []string, pluginList []any) (*RR, error) {
// create endure container config
containerCfg, err := container.NewConfig(cfgFile)
if err != nil {
return nil, err
}
cfg := &configImpl.Plugin{
Path: cfgFile,
Prefix: rrPrefix,
Timeout: containerCfg.GracePeriod,
Flags: override,
Version: getRRVersion(),
}
// create endure container
endureOptions := []endure.Options{
endure.GracefulShutdownTimeout(containerCfg.GracePeriod),
}
if containerCfg.PrintGraph {
endureOptions = append(endureOptions, endure.Visualize())
}
// create endure container
ll, err := container.ParseLogLevel(containerCfg.LogLevel)
if err != nil {
return nil, err
}
endureContainer := endure.New(ll, endureOptions...)
// register another container plugins
err = endureContainer.RegisterAll(append(pluginList, cfg)...)
if err != nil {
return nil, err
}
// init container and all services
err = endureContainer.Init()
if err != nil {
return nil, err
}
return &RR{
container: endureContainer,
stop: make(chan struct{}, 1),
Version: cfg.Version,
}, nil
}
// Serve starts RR and starts listening for requests.
// This is a blocking call that will return an error if / when one occurs in a plugin
func (rr *RR) Serve() error {
// start serving the graph
errCh, err := rr.container.Serve()
if err != nil {
return err
}
select {
case e := <-errCh:
return fmt.Errorf("error: %w\nplugin: %s", e.Error, e.VertexID)
case <-rr.stop:
return rr.container.Stop()
}
}
func (rr *RR) Plugins() []string {
return rr.container.Plugins()
}
// Stop stops roadrunner
func (rr *RR) Stop() {
rr.stop <- struct{}{}
}
// DefaultPluginsList returns all the plugins that RR can run with and are included by default
func DefaultPluginsList() []any {
return container.Plugins()
}
// Tries to find the version info for a given module's path
// empty string if not found
func getRRVersion() string {
bi, ok := debug.ReadBuildInfo()
if !ok {
return ""
}
for i := 0; i < len(bi.Deps); i++ {
if bi.Deps[i].Path == rrModule {
return bi.Deps[i].Version
}
}
return ""
}
|
