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docker.go
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docker.go
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// Copyright 2017 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 types
import (
"fmt"
"strings"
ignTypes "github.com/coreos/ignition/config/v2_2/types"
"github.com/coreos/ignition/config/validate/astnode"
"github.com/coreos/ignition/config/validate/report"
)
type Docker struct {
Flags []string `yaml:"flags"`
}
func init() {
register(func(in Config, ast astnode.AstNode, out ignTypes.Config, platform string) (ignTypes.Config, report.Report, astnode.AstNode) {
if in.Docker != nil {
contents := fmt.Sprintf("[Service]\nEnvironment=\"DOCKER_OPTS=%s\"", strings.Join(in.Docker.Flags, " "))
out.Systemd.Units = append(out.Systemd.Units, ignTypes.Unit{
Name: "docker.service",
Enable: true,
Dropins: []ignTypes.SystemdDropin{{
Name: "20-clct-docker.conf",
Contents: contents,
}},
})
}
return out, report.Report{}, ast
})
}