forked from bndr/gojenkins
/
launcher.go
167 lines (152 loc) · 4.91 KB
/
launcher.go
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package gojenkins
import (
"encoding/xml"
"errors"
)
type LauncherClass string
const (
JNLPLauncherClass LauncherClass = "hudson.slaves.JNLPLauncher"
SSHLauncherClass LauncherClass = "hudson.plugins.sshslaves.SSHLauncher"
)
type Launcher interface {
// Give a fake interface to implement so
// You can't pass anything into the Launcher interface.
GetClass() LauncherClass
}
type CustomLauncher struct {
XMLName xml.Name `xml:"launcher" json:"-"`
Launcher Launcher `xml:"-"`
Class LauncherClass `xml:"class,attr" json:"$class"`
}
type SSHLauncher struct {
XMLName xml.Name `xml:"launcher" json:"-"`
Class LauncherClass `xml:"-" json:"-"`
Host string `xml:"host" json:"host"`
Port int `xml:"port" json:"port"`
CredentialsId string `xml:"credentialsId" json:"credentialsId"`
LaunchTimeoutSeconds int `xml:"launchTimeoutSeconds" json:"launchTimeoutSeconds"`
MaxNumRetries int `xml:"maxNumRetries" json:"maxNumRetries"`
RetryWaitTime int `xml:"retryWaitTime" json:"retryWaitTime"`
JvmOptions string `xml:"jvmOptions" json:"jvmOptions"`
JavaPath string `xml:"javaPath" json:"javaPath"`
PrefixStartSlaveCmd string `xml:"prefixStartSlaveCmd" json:"prefixStartSlaveCmd"`
SuffixStartSlaveCmd string `xml:"suffixStartSlaveCmd" json:"suffixStartSlaveCmd"`
}
type WorkDirSettings struct {
Disabled bool `xml:"disabled" json:"disabled"`
InternalDir string `xml:"internalDir" json:"internalDir"`
FailIfWorkDirIsMissing bool `xml:"failIfWorkDirIsMissing" json:"failIfWorkDirIsMissing"`
}
type JNLPLauncher struct {
XMLName xml.Name `xml:"launcher" json:"-"`
Class LauncherClass `xml:"-" json:"-"`
WorkDirSettings *WorkDirSettings `xml:"workDirSettings" json:"workDirSettings"`
WebSocket bool `xml:"webSocket" json:"webSocket"`
}
func (c *CustomLauncher) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
c.Class = ""
for _, attr := range start.Attr {
if attr.Name.Local == "class" {
c.Class = LauncherClass(attr.Value)
break
}
}
switch c.Class {
case SSHLauncherClass:
var SSHLauncher SSHLauncher
if err := d.DecodeElement(&SSHLauncher, &start); err != nil {
return err
}
SSHLauncher.Class = SSHLauncher.GetClass()
c.Launcher = &SSHLauncher
case JNLPLauncherClass:
var JNLPLauncher JNLPLauncher
if err := d.DecodeElement(&JNLPLauncher, &start); err != nil {
return err
}
JNLPLauncher.Class = JNLPLauncher.GetClass()
c.Launcher = &JNLPLauncher
default:
return errors.New("unknown launcher class")
}
return nil
}
func (c *CustomLauncher) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
switch l := c.Launcher.(type) {
case *SSHLauncher:
start.Name.Local = "launcher"
start.Attr = []xml.Attr{{Name: xml.Name{Local: "class"}, Value: string(SSHLauncherClass)}}
return e.EncodeElement(l, start)
case *JNLPLauncher:
start.Name.Local = "launcher"
start.Attr = []xml.Attr{{Name: xml.Name{Local: "class"}, Value: string(JNLPLauncherClass)}}
return e.EncodeElement(l, start)
case nil:
// Encodes empty element. With just the class.
start.Name.Local = "launcher"
start.Attr = []xml.Attr{{Name: xml.Name{Local: "class"}, Value: string(c.Class)}}
if err := e.EncodeToken(start); err != nil {
return err
}
return e.EncodeToken(xml.EndElement{Name: start.Name})
default:
return errors.New("unsupported launcher type")
}
}
func (s *SSHLauncher) GetClass() LauncherClass {
return SSHLauncherClass
}
func NewSSHLauncher(
host string,
port int,
credentialsId string,
launchTimeout int,
maxRetries int,
retryWaitTime int,
jvmOptions string,
javaPath string,
prefixStartSlaveCmd string,
suffixStartSlaveCmd string) *SSHLauncher {
return &SSHLauncher{
Class: SSHLauncherClass,
Host: host,
Port: port,
CredentialsId: credentialsId,
LaunchTimeoutSeconds: launchTimeout,
MaxNumRetries: maxRetries,
RetryWaitTime: retryWaitTime,
JvmOptions: jvmOptions,
JavaPath: javaPath,
PrefixStartSlaveCmd: prefixStartSlaveCmd,
SuffixStartSlaveCmd: suffixStartSlaveCmd}
}
// Returns the defaults that Jenkins fills out when no options are given.
func DefaultSSHLauncher() *SSHLauncher {
return NewSSHLauncher(
"",
22,
"",
60,
0,
0,
"",
"",
"",
"",
)
}
func (j *JNLPLauncher) GetClass() LauncherClass {
return JNLPLauncherClass
}
func NewJNLPLauncher(webSocket bool, w *WorkDirSettings) *JNLPLauncher {
return &JNLPLauncher{Class: JNLPLauncherClass,
WorkDirSettings: w,
WebSocket: webSocket}
}
func DefaultJNLPLauncher() *JNLPLauncher {
return NewJNLPLauncher(false, &WorkDirSettings{
Disabled: false,
InternalDir: "remoting",
FailIfWorkDirIsMissing: false,
})
}