72 lines
1.5 KiB
Go
72 lines
1.5 KiB
Go
package command
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io"
|
|
"os"
|
|
"strings"
|
|
|
|
hclog "github.com/hashicorp/go-hclog"
|
|
log "github.com/hashicorp/go-hclog"
|
|
plugin "github.com/hashicorp/go-plugin"
|
|
|
|
"github.com/hashicorp/nomad/drivers/shared/executor"
|
|
"github.com/hashicorp/nomad/plugins/base"
|
|
)
|
|
|
|
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 executor.ExecutorConfig
|
|
if err := json.Unmarshal([]byte(config), &executorConfig); err != nil {
|
|
return 1
|
|
}
|
|
|
|
f, 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
|
|
}
|
|
|
|
// Tee the logs to stderr and the file so that they are streamed to the
|
|
// client
|
|
out := io.MultiWriter(f, os.Stderr)
|
|
|
|
// Create the logger
|
|
logger := log.New(&log.LoggerOptions{
|
|
Level: hclog.LevelFromString(executorConfig.LogLevel),
|
|
JSONFormat: true,
|
|
Output: out,
|
|
})
|
|
|
|
plugin.Serve(&plugin.ServeConfig{
|
|
HandshakeConfig: base.Handshake,
|
|
Plugins: executor.GetPluginMap(
|
|
logger,
|
|
executorConfig.FSIsolation,
|
|
),
|
|
GRPCServer: plugin.DefaultGRPCServer,
|
|
Logger: logger,
|
|
})
|
|
return 0
|
|
}
|