open-nomad/command/executor_plugin.go
2017-01-12 15:47:58 -08:00

50 lines
1.1 KiB
Go

package command
import (
"encoding/json"
"os"
"strings"
"github.com/hashicorp/go-plugin"
"github.com/hashicorp/nomad/client/driver"
dstructs "github.com/hashicorp/nomad/client/driver/structs"
)
type ExecutorPluginCommand struct {
Meta
}
func (e *ExecutorPluginCommand) Help() string {
helpText := `
This is a command used by Nomad internally to launch an executor plugin"
`
return strings.TrimSpace(helpText)
}
func (e *ExecutorPluginCommand) Synopsis() string {
return "internal - launch an executor plugin"
}
func (e *ExecutorPluginCommand) Run(args []string) int {
if len(args) != 1 {
e.Ui.Error("json configuration not provided")
return 1
}
config := args[0]
var executorConfig dstructs.ExecutorConfig
if err := json.Unmarshal([]byte(config), &executorConfig); err != nil {
return 1
}
stdo, err := os.OpenFile(executorConfig.LogFile, os.O_CREATE|os.O_RDWR|os.O_APPEND, 0666)
if err != nil {
e.Ui.Error(err.Error())
return 1
}
plugin.Serve(&plugin.ServeConfig{
HandshakeConfig: driver.HandshakeConfig,
Plugins: driver.GetPluginMap(stdo, executorConfig.LogLevel),
})
return 0
}