mirror of
https://github.com/mudler/luet.git
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b2060c82e3
Fixes races conditions and make the DB Switchable. Also prepare inside the CompilationSpec the tree of the deps to be built, and parallelize only the building jobs. Closes #7 Signed-off-by: Ettore Di Giacinto <mudler@gentoo.org>
115 lines
4.0 KiB
Go
115 lines
4.0 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 backend_test
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import (
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. "github.com/mudler/luet/pkg/compiler"
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. "github.com/mudler/luet/pkg/compiler/backend"
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"io/ioutil"
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"os"
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"path/filepath"
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helpers "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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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Docker backend", func() {
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Context("Simple Docker backend satisfies main interface functionalities", func() {
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It("Builds and generate tars", func() {
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generalRecipe := tree.NewGeneralRecipe(pkg.NewInMemoryDatabase(false))
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err := generalRecipe.Load("../../../tests/fixtures/buildtree")
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Expect(err).ToNot(HaveOccurred())
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Expect(generalRecipe.Tree()).ToNot(BeNil()) // It should be populated back at this point
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Expect(len(generalRecipe.Tree().GetPackageSet().GetPackages())).To(Equal(1))
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compiler := NewLuetCompiler(nil, generalRecipe.Tree(), generalRecipe.Tree().GetPackageSet())
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spec, err := compiler.FromPackage(&pkg.DefaultPackage{Name: "enman", Category: "app-admin", Version: "1.4.0"})
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Expect(err).ToNot(HaveOccurred())
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lspec, ok := spec.(*LuetCompilationSpec)
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Expect(ok).To(BeTrue())
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Expect(lspec.Steps).To(Equal([]string{"echo foo > /test", "echo bar > /test2"}))
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Expect(lspec.Image).To(Equal("luet/base"))
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Expect(lspec.Seed).To(Equal("alpine"))
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tmpdir, err := ioutil.TempDir(os.TempDir(), "tree")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(tmpdir) // clean up
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tmpdir2, err := ioutil.TempDir(os.TempDir(), "tree2")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(tmpdir2) // clean up
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err = lspec.WriteBuildImageDefinition(filepath.Join(tmpdir, "Dockerfile"))
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Expect(err).ToNot(HaveOccurred())
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dockerfile, err := helpers.Read(filepath.Join(tmpdir, "Dockerfile"))
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Expect(err).ToNot(HaveOccurred())
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Expect(dockerfile).To(Equal(`
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FROM alpine
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COPY . /luetbuild
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WORKDIR /luetbuild
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`))
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b := NewSimpleDockerBackend()
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opts := CompilerBackendOptions{
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ImageName: "luet/base",
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SourcePath: tmpdir,
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DockerFileName: "Dockerfile",
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Destination: filepath.Join(tmpdir2, "output1.tar"),
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}
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Expect(b.ImageDefinitionToTar(opts)).ToNot(HaveOccurred())
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Expect(helpers.Exists(filepath.Join(tmpdir2, "output1.tar"))).To(BeTrue())
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Expect(b.BuildImage(opts)).ToNot(HaveOccurred())
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err = lspec.WriteStepImageDefinition(lspec.Image, filepath.Join(tmpdir, "LuetDockerfile"))
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Expect(err).ToNot(HaveOccurred())
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dockerfile, err = helpers.Read(filepath.Join(tmpdir, "LuetDockerfile"))
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Expect(err).ToNot(HaveOccurred())
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Expect(dockerfile).To(Equal(`
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FROM luet/base
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RUN echo foo > /test
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RUN echo bar > /test2`))
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opts = CompilerBackendOptions{
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ImageName: "test",
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SourcePath: tmpdir,
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DockerFileName: "LuetDockerfile",
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Destination: filepath.Join(tmpdir, "output2.tar"),
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}
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Expect(b.ImageDefinitionToTar(opts)).ToNot(HaveOccurred())
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Expect(helpers.Exists(filepath.Join(tmpdir, "output2.tar"))).To(BeTrue())
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Expect(b.Changes(filepath.Join(tmpdir2, "output1.tar"), filepath.Join(tmpdir, "output2.tar"))).To(Equal(
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[]ArtifactLayer{{
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FromImage: filepath.Join(tmpdir2, "output1.tar"),
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ToImage: filepath.Join(tmpdir, "output2.tar"),
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Diffs: ArtifactDiffs{
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Additions: []ArtifactNode{
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{Name: "/test", Size: 4},
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{Name: "/test2", Size: 4},
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},
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},
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}}))
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})
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})
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})
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