cloudinit/system/fleet.go

/*
   Copyright 2014 CoreOS, Inc.

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

package system

import (
	"github.com/coreos/coreos-cloudinit/config"
)

// Fleet is a top-level structure which embeds its underlying configuration,
// config.Fleet, and provides the system-specific Unit().
type Fleet struct {
	config.Fleet
}

// Units generates a Unit file drop-in for fleet, if any fleet options were
// configured in cloud-config
func (fe Fleet) Units() []Unit {
	content := dropinContents(fe.Fleet)
	if content == "" {
		return nil
	}
	return []Unit{{config.Unit{
		Name:    "fleet.service",
		Runtime: true,
		DropIn:  true,
		Content: content,
	}}}
}