зеркало из https://github.com/microsoft/docker.git
55 строки
1.6 KiB
Go
55 строки
1.6 KiB
Go
package main
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import (
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"fmt"
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"os"
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"os/exec"
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"testing"
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)
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// export an image and try to import it into a new one
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func TestExportContainerAndImportImage(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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t.Fatal("failed to create a container", out, err)
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}
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cleanedContainerID := stripTrailingCharacters(out)
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inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID)
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out, _, err = runCommandWithOutput(inspectCmd)
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if err != nil {
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t.Fatalf("output should've been a container id: %s %s ", cleanedContainerID, err)
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}
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exportCmdTemplate := `%v export %v > /tmp/testexp.tar`
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exportCmdFinal := fmt.Sprintf(exportCmdTemplate, dockerBinary, cleanedContainerID)
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exportCmd := exec.Command("bash", "-c", exportCmdFinal)
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if out, _, err = runCommandWithOutput(exportCmd); err != nil {
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t.Fatalf("failed to export container: %s, %v", out, err)
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}
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importCmdFinal := `cat /tmp/testexp.tar | docker import - repo/testexp:v1`
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importCmd := exec.Command("bash", "-c", importCmdFinal)
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out, _, err = runCommandWithOutput(importCmd)
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if err != nil {
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t.Fatalf("failed to import image: %s, %v", out, err)
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}
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cleanedImageID := stripTrailingCharacters(out)
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inspectCmd = exec.Command(dockerBinary, "inspect", cleanedImageID)
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if out, _, err = runCommandWithOutput(inspectCmd); err != nil {
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t.Fatalf("output should've been an image id: %s, %v", out, err)
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}
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deleteContainer(cleanedContainerID)
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deleteImages("repo/testexp:v1")
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os.Remove("/tmp/testexp.tar")
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logDone("export - export a container")
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logDone("import - import an image")
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}
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