mirror of
https://github.com/mudler/luet.git
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ff88ff67c2
Reuse the Recipe and extend it to read a separate tree for build dependencies. Also add accessors to compilespec to produce dockerfile image format.
89 lines
2.6 KiB
Go
89 lines
2.6 KiB
Go
// Copyright © 2019 Ettore Di Giacinto <mudler@gentoo.org>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, see <http://www.gnu.org/licenses/>.
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package compiler
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import (
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"errors"
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"io/ioutil"
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"github.com/mudler/luet/pkg/helpers"
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pkg "github.com/mudler/luet/pkg/package"
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"github.com/mudler/luet/pkg/tree"
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)
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const BuildFile = "build.yaml"
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type LuetCompiler struct {
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*tree.CompilerRecipe
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Backend CompilerBackend
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}
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func NewLuetCompiler(backend CompilerBackend, t pkg.Tree) Compiler {
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// The CompilerRecipe will gives us a tree with only build deps listed.
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return &LuetCompiler{
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Backend: backend,
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CompilerRecipe: &tree.CompilerRecipe{
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tree.Recipe{PackageTree: t},
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},
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}
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}
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func (cs *LuetCompiler) Compile(p CompilationSpec) (*Artifact, error) {
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// - If image is not set, we read a base_image. Then we will build one image from it to kick-off our build based
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// on how we compute the resolvable tree.
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// This means to recursively build all the build-images needed to reach that tree part.
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// - We later on compute an hash used to identify the image, so each similar deptree keeps the same build image.
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// - If image is set we just generate a plain dockerfile
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// Treat last case (easier) first. The image is provided and we just compute a plain dockerfile with the images listed as above
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if p.GetImage() != "" {
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p.SetSeedImage(p.GetImage())
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//p.WriteBuildImageDefinition(path)
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//backend.BuildImage(path)
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//backend.RunSteps(CompilationSpec)
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}
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return nil, errors.New("Not implemented yet")
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}
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func (cs *LuetCompiler) FromPackage(p pkg.Package) (CompilationSpec, error) {
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pack, err := cs.Tree().GetPackageSet().FindPackage(p)
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if err != nil {
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return nil, err
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}
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buildFile := pack.Rel(BuildFile)
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if !helpers.Exists(buildFile) {
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return nil, errors.New("No build file present for " + p.GetFingerPrint())
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}
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dat, err := ioutil.ReadFile(buildFile)
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if err != nil {
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return nil, err
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}
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return NewLuetCompilationSpec(dat, p)
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}
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func (cs *LuetCompiler) GetBackend() CompilerBackend {
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return cs.Backend
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}
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func (cs *LuetCompiler) SetBackend(b CompilerBackend) {
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cs.Backend = b
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}
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