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java.go
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java.go
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package server
type Version int
const (
JAVA_ONE_EIGHT Version = iota
JAVA_ONE_ELEVEN
)
func (v Version) String() string {
return []string{"zulu8-jdk", "zulu11-jdk"}[v]
}
type Java struct {
Server Server
Version Version
installed bool
}
func NewJava(version Version, serv Server) (j Java, err error) {
j = Java{
Server: serv,
Version: version,
}
return
}
func (j Java) isInstalled() (installed bool, err error) {
script := ""
switch j.Version {
case JAVA_ONE_EIGHT:
script = "yum list installed | grep zulu8"
case JAVA_ONE_ELEVEN:
script = "yum list installed | grep zulu11"
default:
return
}
stdout, err := j.Server.RunScript(script)
if err != nil {
return
}
installed = stdout != ""
return
}
func (j *Java) Create() (id string, err error) {
installed, err := j.isInstalled()
if err != nil || installed {
j.installed = false
return
}
script := "sudo yum install -y https://cdn.azul.com/zulu/bin/zulu-repo-1.0.0-1.noarch.rpm\n"
switch j.Version {
case JAVA_ONE_EIGHT:
script += "sudo yum install -y zulu8-jdk"
case JAVA_ONE_ELEVEN:
script += "sudo yum install -y zulu11-jdk"
default:
return
}
_, err = j.Server.RunScript(script)
if err != nil {
return
}
j.installed = true
return
}
func (j *Java) Delete() (err error) {
if !j.installed {
return
}
script := "yum list installed | grep "
switch j.Version {
case JAVA_ONE_EIGHT:
script += "zulu8"
case JAVA_ONE_ELEVEN:
script += "zulu11"
default:
return
}
script += " | xargs sudo yum autoremove -y"
_, err = j.Server.RunScript(script)
return
}