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cd40c875ac
When playing a kube YAML file, it can be desirable to be able to build an image on the fly. This is good for development of an image and YAML files and somewhat mocks what compose does. Signed-off-by: Brent Baude <bbaude@redhat.com>
244 lines
7.3 KiB
Go
244 lines
7.3 KiB
Go
// +build !remote
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// build for play kube is not supported on remote yet.
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package integration
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import (
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"os"
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"path/filepath"
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. "github.com/containers/podman/v3/test/utils"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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. "github.com/onsi/gomega/gexec"
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)
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var _ = Describe("Podman play kube with build", func() {
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var (
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tempdir string
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err error
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podmanTest *PodmanTestIntegration
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)
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BeforeEach(func() {
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tempdir, err = CreateTempDirInTempDir()
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if err != nil {
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os.Exit(1)
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}
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podmanTest = PodmanTestCreate(tempdir)
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podmanTest.Setup()
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podmanTest.SeedImages()
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})
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AfterEach(func() {
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podmanTest.Cleanup()
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f := CurrentGinkgoTestDescription()
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processTestResult(f)
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})
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var testYAML = `
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apiVersion: v1
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kind: Pod
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metadata:
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creationTimestamp: "2021-08-05T17:55:51Z"
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labels:
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app: foobar
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name: top_pod
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spec:
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containers:
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- command:
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- top
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env:
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- name: PATH
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value: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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- name: TERM
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value: xterm
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- name: container
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value: podman
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image: foobar
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name: foobar
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resources: {}
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securityContext:
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allowPrivilegeEscalation: true
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capabilities:
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drop:
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- CAP_MKNOD
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- CAP_NET_RAW
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- CAP_AUDIT_WRITE
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privileged: false
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readOnlyRootFilesystem: false
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seLinuxOptions: {}
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tty: true
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workingDir: /
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dnsConfig: {}
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status: {}
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`
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var playBuildFile = `
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FROM quay.io/libpod/alpine_nginx:latest
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RUN apk update && apk add strace
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LABEL homer=dad
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`
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var prebuiltImage = `
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FROM quay.io/libpod/alpine_nginx:latest
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RUN apk update && apk add strace
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LABEL marge=mom
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`
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It("Check that image is built using Dockerfile", func() {
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// Setup
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yamlDir := filepath.Join(tempdir, RandomString(12))
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err := os.Mkdir(yamlDir, 0755)
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err = writeYaml(testYAML, filepath.Join(yamlDir, "top.yaml"))
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Expect(err).To(BeNil())
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app1Dir := filepath.Join(yamlDir, "foobar")
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err = os.Mkdir(app1Dir, 0755)
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Expect(err).To(BeNil())
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err = writeYaml(playBuildFile, filepath.Join(app1Dir, "Dockerfile"))
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Expect(err).To(BeNil())
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// Switch to temp dir and restore it afterwards
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cwd, err := os.Getwd()
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Expect(err).To(BeNil())
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Expect(os.Chdir(yamlDir)).To(BeNil())
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defer func() { (Expect(os.Chdir(cwd)).To(BeNil())) }()
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session := podmanTest.Podman([]string{"play", "kube", "top.yaml"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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exists := podmanTest.Podman([]string{"image", "exists", "foobar"})
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exists.WaitWithDefaultTimeout()
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Expect(exists).Should(Exit(0))
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inspect := podmanTest.Podman([]string{"container", "inspect", "top_pod-foobar"})
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inspect.WaitWithDefaultTimeout()
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Expect(inspect).Should(Exit(0))
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inspectData := inspect.InspectContainerToJSON()
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Expect(len(inspectData)).To(BeNumerically(">", 0))
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Expect(inspectData[0].Config.Labels["homer"]).To(Equal("dad"))
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})
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It("Check that image is built using Containerfile", func() {
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// Setup
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yamlDir := filepath.Join(tempdir, RandomString(12))
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err := os.Mkdir(yamlDir, 0755)
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err = writeYaml(testYAML, filepath.Join(yamlDir, "top.yaml"))
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Expect(err).To(BeNil())
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app1Dir := filepath.Join(yamlDir, "foobar")
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err = os.Mkdir(app1Dir, 0755)
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Expect(err).To(BeNil())
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err = writeYaml(playBuildFile, filepath.Join(app1Dir, "Containerfile"))
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Expect(err).To(BeNil())
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// Switch to temp dir and restore it afterwards
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cwd, err := os.Getwd()
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Expect(err).To(BeNil())
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Expect(os.Chdir(yamlDir)).To(BeNil())
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defer func() { (Expect(os.Chdir(cwd)).To(BeNil())) }()
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session := podmanTest.Podman([]string{"play", "kube", "top.yaml"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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exists := podmanTest.Podman([]string{"image", "exists", "foobar"})
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exists.WaitWithDefaultTimeout()
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Expect(exists).Should(Exit(0))
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inspect := podmanTest.Podman([]string{"container", "inspect", "top_pod-foobar"})
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inspect.WaitWithDefaultTimeout()
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Expect(inspect).Should(Exit(0))
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inspectData := inspect.InspectContainerToJSON()
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Expect(len(inspectData)).To(BeNumerically(">", 0))
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Expect(inspectData[0].Config.Labels["homer"]).To(Equal("dad"))
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})
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It("Do not build image if already in the local store", func() {
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// Setup
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yamlDir := filepath.Join(tempdir, RandomString(12))
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err := os.Mkdir(yamlDir, 0755)
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err = writeYaml(testYAML, filepath.Join(yamlDir, "top.yaml"))
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Expect(err).To(BeNil())
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// build an image called foobar but make sure it doesnt have
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// the same label as the yaml buildfile, so we can check that
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// the image is NOT rebuilt.
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err = writeYaml(prebuiltImage, filepath.Join(yamlDir, "Containerfile"))
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Expect(err).To(BeNil())
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app1Dir := filepath.Join(yamlDir, "foobar")
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err = os.Mkdir(app1Dir, 0755)
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Expect(err).To(BeNil())
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err = writeYaml(playBuildFile, filepath.Join(app1Dir, "Containerfile"))
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Expect(err).To(BeNil())
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// Switch to temp dir and restore it afterwards
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cwd, err := os.Getwd()
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Expect(err).To(BeNil())
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Expect(os.Chdir(yamlDir)).To(BeNil())
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defer func() { (Expect(os.Chdir(cwd)).To(BeNil())) }()
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// Build the image into the local store
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build := podmanTest.Podman([]string{"build", "-t", "foobar", "-f", "Containerfile"})
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build.WaitWithDefaultTimeout()
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Expect(build).Should(Exit(0))
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session := podmanTest.Podman([]string{"play", "kube", "top.yaml"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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inspect := podmanTest.Podman([]string{"container", "inspect", "top_pod-foobar"})
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inspect.WaitWithDefaultTimeout()
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Expect(inspect).Should(Exit(0))
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inspectData := inspect.InspectContainerToJSON()
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Expect(len(inspectData)).To(BeNumerically(">", 0))
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Expect(inspectData[0].Config.Labels["homer"]).To(Equal(""))
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Expect(inspectData[0].Config.Labels["marge"]).To(Equal("mom"))
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})
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It("--build should override image in store", func() {
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// Setup
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yamlDir := filepath.Join(tempdir, RandomString(12))
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err := os.Mkdir(yamlDir, 0755)
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err = writeYaml(testYAML, filepath.Join(yamlDir, "top.yaml"))
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Expect(err).To(BeNil())
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// build an image called foobar but make sure it doesnt have
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// the same label as the yaml buildfile, so we can check that
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// the image is NOT rebuilt.
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err = writeYaml(prebuiltImage, filepath.Join(yamlDir, "Containerfile"))
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Expect(err).To(BeNil())
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app1Dir := filepath.Join(yamlDir, "foobar")
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err = os.Mkdir(app1Dir, 0755)
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Expect(err).To(BeNil())
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err = writeYaml(playBuildFile, filepath.Join(app1Dir, "Containerfile"))
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Expect(err).To(BeNil())
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// Switch to temp dir and restore it afterwards
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cwd, err := os.Getwd()
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Expect(err).To(BeNil())
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Expect(os.Chdir(yamlDir)).To(BeNil())
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defer func() { (Expect(os.Chdir(cwd)).To(BeNil())) }()
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// Build the image into the local store
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build := podmanTest.Podman([]string{"build", "-t", "foobar", "-f", "Containerfile"})
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build.WaitWithDefaultTimeout()
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Expect(build).Should(Exit(0))
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session := podmanTest.Podman([]string{"play", "kube", "--build", "top.yaml"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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inspect := podmanTest.Podman([]string{"container", "inspect", "top_pod-foobar"})
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inspect.WaitWithDefaultTimeout()
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Expect(inspect).Should(Exit(0))
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inspectData := inspect.InspectContainerToJSON()
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Expect(len(inspectData)).To(BeNumerically(">", 0))
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Expect(inspectData[0].Config.Labels["homer"]).To(Equal("dad"))
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Expect(inspectData[0].Config.Labels["marge"]).To(Equal(""))
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})
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})
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