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https://github.com/linka-cloud/d2vm.git
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Adphi
5b8cad6176
docs: add README.md and examples centos/rhel: fix dracut initramfs Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>
73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
// Copyright 2022 Linka Cloud All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package d2vm
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import (
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_ "embed"
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"fmt"
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"io"
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"text/template"
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)
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//go:embed templates/ubuntu.Dockerfile
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var ubuntuDockerfile string
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//go:embed templates/debian.Dockerfile
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var debianDockerfile string
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//go:embed templates/alpine.Dockerfile
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var alpineDockerfile string
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//go:embed templates/centos.Dockerfile
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var centOSDockerfile string
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var (
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ubuntuDockerfileTemplate = template.Must(template.New("ubuntu.Dockerfile").Parse(ubuntuDockerfile))
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debianDockerfileTemplate = template.Must(template.New("debian.Dockerfile").Parse(debianDockerfile))
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alpineDockerfileTemplate = template.Must(template.New("alpine.Dockerfile").Parse(alpineDockerfile))
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centOSDockerfileTemplate = template.Must(template.New("centos.Dockerfile").Parse(centOSDockerfile))
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)
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type Dockerfile struct {
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Image string
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Password string
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Release OSRelease
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tmpl *template.Template
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}
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func (d Dockerfile) Render(w io.Writer) error {
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return d.tmpl.Execute(w, d)
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}
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func NewDockerfile(release OSRelease, img, password string) (Dockerfile, error) {
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if password == "" {
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password = "root"
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}
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d := Dockerfile{Release: release, Image: img, Password: password}
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switch release.ID {
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case ReleaseDebian:
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d.tmpl = debianDockerfileTemplate
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case ReleaseUbuntu:
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d.tmpl = ubuntuDockerfileTemplate
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case ReleaseAlpine:
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d.tmpl = alpineDockerfileTemplate
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case ReleaseCentOS, ReleaseRHEL:
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d.tmpl = centOSDockerfileTemplate
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default:
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return Dockerfile{}, fmt.Errorf("unsupported distribution: %s", release.ID)
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}
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return d, nil
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}
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