open-nomad/plugins/serve.go

55 lines
1.2 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package plugins
import (
"context"
"fmt"
log "github.com/hashicorp/go-hclog"
"github.com/hashicorp/nomad/plugins/device"
"github.com/hashicorp/nomad/plugins/drivers"
)
// PluginFactory returns a new plugin instance
type PluginFactory func(log log.Logger) interface{}
// PluginCtxFactory returns a new plugin instance, that takes in a context
type PluginCtxFactory func(ctx context.Context, log log.Logger) interface{}
// Serve is used to serve a new Nomad plugin
func Serve(f PluginFactory) {
logger := log.New(&log.LoggerOptions{
Level: log.Trace,
JSONFormat: true,
})
plugin := f(logger)
serve(plugin, logger)
}
// ServeCtx is used to serve a new Nomad plugin
func ServeCtx(f PluginCtxFactory) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
logger := log.New(&log.LoggerOptions{
Level: log.Trace,
JSONFormat: true,
})
plugin := f(ctx, logger)
serve(plugin, logger)
}
func serve(plugin interface{}, logger log.Logger) {
switch p := plugin.(type) {
case device.DevicePlugin:
device.Serve(p, logger)
case drivers.DriverPlugin:
drivers.Serve(p, logger)
default:
fmt.Println("Unsupported plugin type")
}
}