mirror of
https://github.com/mudler/luet.git
synced 2025-06-16 10:48:13 +00:00
c98f427156
This commit is multi-fold as it also refactors internally context and logger as interfaces so it is easier to plug luet as a library externally. Introduces a garbage collector (related to #227) but doesn't handle yet parallelism. Closes #265
118 lines
4.1 KiB
Go
118 lines
4.1 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/api/core/context"
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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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. "github.com/mudler/luet/pkg/compiler/backend"
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fileHelper "github.com/mudler/luet/pkg/helpers/file"
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"io/ioutil"
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"os"
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"path/filepath"
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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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ctx := context.NewContext()
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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(len(generalRecipe.GetDatabase().GetPackages())).To(Equal(1))
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cc := NewLuetCompiler(nil, generalRecipe.GetDatabase())
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lspec, err := cc.FromPackage(&pkg.DefaultPackage{Name: "enman", Category: "app-admin", Version: "1.4.0"})
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Expect(err).ToNot(HaveOccurred())
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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 := fileHelper.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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ENV PACKAGE_NAME=enman
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ENV PACKAGE_VERSION=1.4.0
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ENV PACKAGE_CATEGORY=app-admin`))
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b := NewSimpleDockerBackend(ctx)
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opts := backend.Options{
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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.BuildImage(opts)).ToNot(HaveOccurred())
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Expect(b.ExportImage(opts)).ToNot(HaveOccurred())
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Expect(fileHelper.Exists(filepath.Join(tmpdir2, "output1.tar"))).To(BeTrue())
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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 = fileHelper.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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COPY . /luetbuild
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WORKDIR /luetbuild
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ENV PACKAGE_NAME=enman
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ENV PACKAGE_VERSION=1.4.0
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ENV PACKAGE_CATEGORY=app-admin
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RUN echo foo > /test
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RUN echo bar > /test2`))
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opts2 := backend.Options{
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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.BuildImage(opts2)).ToNot(HaveOccurred())
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Expect(b.ExportImage(opts2)).ToNot(HaveOccurred())
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Expect(fileHelper.Exists(filepath.Join(tmpdir, "output2.tar"))).To(BeTrue())
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})
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It("Detects available images", func() {
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b := NewSimpleDockerBackend(ctx)
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Expect(b.ImageAvailable("quay.io/mocaccino/extra")).To(BeTrue())
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Expect(b.ImageAvailable("ubuntu:20.10")).To(BeTrue())
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Expect(b.ImageAvailable("igjo5ijgo25nho52")).To(BeFalse())
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})
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})
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})
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