podman/pkg/bindings/test/images_test.go

371 lines
12 KiB
Go

package test_bindings
import (
"net/http"
"os"
"path/filepath"
"time"
"github.com/containers/podman/v3/pkg/bindings"
"github.com/containers/podman/v3/pkg/bindings/containers"
"github.com/containers/podman/v3/pkg/bindings/images"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/gexec"
)
var _ = Describe("Podman images", func() {
var (
// tempdir string
// err error
// podmanTest *PodmanTestIntegration
bt *bindingTest
s *gexec.Session
err error
)
BeforeEach(func() {
// tempdir, err = CreateTempDirInTempDir()
// if err != nil {
// os.Exit(1)
// }
// podmanTest = PodmanTestCreate(tempdir)
// podmanTest.Setup()
// podmanTest.SeedImages()
bt = newBindingTest()
bt.RestoreImagesFromCache()
s = bt.startAPIService()
time.Sleep(1 * time.Second)
err := bt.NewConnection()
Expect(err).To(BeNil())
})
AfterEach(func() {
// podmanTest.Cleanup()
// f := CurrentGinkgoTestDescription()
// processTestResult(f)
s.Kill()
bt.cleanup()
})
It("inspect image", func() {
// Inspect invalid image be 404
_, err = images.GetImage(bt.conn, "foobar5000", nil)
Expect(err).ToNot(BeNil())
code, _ := bindings.CheckResponseCode(err)
Expect(code).To(BeNumerically("==", http.StatusNotFound))
// Inspect by short name
data, err := images.GetImage(bt.conn, alpine.shortName, nil)
Expect(err).To(BeNil())
// Inspect with full ID
_, err = images.GetImage(bt.conn, data.ID, nil)
Expect(err).To(BeNil())
// Inspect with partial ID
_, err = images.GetImage(bt.conn, data.ID[0:12], nil)
Expect(err).To(BeNil())
// Inspect by long name
_, err = images.GetImage(bt.conn, alpine.name, nil)
Expect(err).To(BeNil())
// TODO it looks like the images API always returns size regardless
// of bool or not. What should we do ?
// Expect(data.Size).To(BeZero())
options := new(images.GetOptions).WithSize(true)
// Enabling the size parameter should result in size being populated
data, err = images.GetImage(bt.conn, alpine.name, options)
Expect(err).To(BeNil())
Expect(data.Size).To(BeNumerically(">", 0))
})
// Test to validate the remove image api
It("remove image", func() {
// Remove invalid image should be a 404
response, errs := images.Remove(bt.conn, []string{"foobar5000"}, nil)
Expect(len(errs)).To(BeNumerically(">", 0))
code, _ := bindings.CheckResponseCode(errs[0])
// Remove an image by name, validate image is removed and error is nil
inspectData, err := images.GetImage(bt.conn, busybox.shortName, nil)
Expect(err).To(BeNil())
response, errs = images.Remove(bt.conn, []string{busybox.shortName}, nil)
Expect(len(errs)).To(BeZero())
Expect(inspectData.ID).To(Equal(response.Deleted[0]))
inspectData, err = images.GetImage(bt.conn, busybox.shortName, nil)
code, _ = bindings.CheckResponseCode(err)
// Start a container with alpine image
var top string = "top"
_, err = bt.RunTopContainer(&top, nil)
Expect(err).To(BeNil())
// we should now have a container called "top" running
containerResponse, err := containers.Inspect(bt.conn, "top", nil)
Expect(err).To(BeNil())
Expect(containerResponse.Name).To(Equal("top"))
// try to remove the image "alpine". This should fail since we are not force
// deleting hence image cannot be deleted until the container is deleted.
response, errs = images.Remove(bt.conn, []string{alpine.shortName}, nil)
code, _ = bindings.CheckResponseCode(errs[0])
// Removing the image "alpine" where force = true
options := new(images.RemoveOptions).WithForce(true)
response, errs = images.Remove(bt.conn, []string{alpine.shortName}, options)
Expect(errs).To(BeNil())
// To be extra sure, check if the previously created container
// is gone as well.
_, err = containers.Inspect(bt.conn, "top", nil)
code, _ = bindings.CheckResponseCode(err)
// Now make sure both images are gone.
inspectData, err = images.GetImage(bt.conn, busybox.shortName, nil)
code, _ = bindings.CheckResponseCode(err)
inspectData, err = images.GetImage(bt.conn, alpine.shortName, nil)
code, _ = bindings.CheckResponseCode(err)
Expect(code).To(BeNumerically("==", http.StatusNotFound))
})
// Tests to validate the image tag command.
It("tag image", func() {
// Validates if invalid image name is given a bad response is encountered.
err = images.Tag(bt.conn, "dummy", "demo", alpine.shortName, nil)
Expect(err).ToNot(BeNil())
code, _ := bindings.CheckResponseCode(err)
Expect(code).To(BeNumerically("==", http.StatusNotFound))
// Validates if the image is tagged successfully.
err = images.Tag(bt.conn, alpine.shortName, "demo", alpine.shortName, nil)
Expect(err).To(BeNil())
// Validates if name updates when the image is retagged.
_, err := images.GetImage(bt.conn, "alpine:demo", nil)
Expect(err).To(BeNil())
})
// Test to validate the List images command.
It("List image", func() {
// Array to hold the list of images returned
imageSummary, err := images.List(bt.conn, nil)
// There Should be no errors in the response.
Expect(err).To(BeNil())
// Since in the begin context two images are created the
// list context should have only 2 images
Expect(len(imageSummary)).To(Equal(2))
// Adding one more image. There Should be no errors in the response.
// And the count should be three now.
bt.Pull("testimage:20200929")
imageSummary, err = images.List(bt.conn, nil)
Expect(err).To(BeNil())
Expect(len(imageSummary)).To(Equal(3))
// Validate the image names.
var names []string
for _, i := range imageSummary {
names = append(names, i.RepoTags...)
}
Expect(StringInSlice(alpine.name, names)).To(BeTrue())
Expect(StringInSlice(busybox.name, names)).To(BeTrue())
// List images with a filter
filters := make(map[string][]string)
filters["reference"] = []string{alpine.name}
options := new(images.ListOptions).WithFilters(filters).WithAll(false)
filteredImages, err := images.List(bt.conn, options)
Expect(err).To(BeNil())
Expect(len(filteredImages)).To(BeNumerically("==", 1))
// List images with a bad filter
filters["name"] = []string{alpine.name}
options = new(images.ListOptions).WithFilters(filters)
_, err = images.List(bt.conn, options)
Expect(err).ToNot(BeNil())
code, _ := bindings.CheckResponseCode(err)
Expect(code).To(BeNumerically("==", http.StatusInternalServerError))
})
It("Image Exists", func() {
// exists on bogus image should be false, with no error
exists, err := images.Exists(bt.conn, "foobar", nil)
Expect(err).To(BeNil())
Expect(exists).To(BeFalse())
// exists with shortname should be true
exists, err = images.Exists(bt.conn, alpine.shortName, nil)
Expect(err).To(BeNil())
Expect(exists).To(BeTrue())
// exists with fqname should be true
exists, err = images.Exists(bt.conn, alpine.name, nil)
Expect(err).To(BeNil())
Expect(exists).To(BeTrue())
})
It("Load|Import Image", func() {
// load an image
_, errs := images.Remove(bt.conn, []string{alpine.name}, nil)
Expect(len(errs)).To(BeZero())
exists, err := images.Exists(bt.conn, alpine.name, nil)
Expect(err).To(BeNil())
Expect(exists).To(BeFalse())
f, err := os.Open(filepath.Join(ImageCacheDir, alpine.tarballName))
defer f.Close()
Expect(err).To(BeNil())
names, err := images.Load(bt.conn, f)
Expect(err).To(BeNil())
Expect(names.Names[0]).To(Equal(alpine.name))
exists, err = images.Exists(bt.conn, alpine.name, nil)
Expect(err).To(BeNil())
Expect(exists).To(BeTrue())
// load with a repo name
f, err = os.Open(filepath.Join(ImageCacheDir, alpine.tarballName))
Expect(err).To(BeNil())
_, errs = images.Remove(bt.conn, []string{alpine.name}, nil)
Expect(len(errs)).To(BeZero())
exists, err = images.Exists(bt.conn, alpine.name, nil)
Expect(err).To(BeNil())
Expect(exists).To(BeFalse())
names, err = images.Load(bt.conn, f)
Expect(err).To(BeNil())
Expect(names.Names[0]).To(Equal(alpine.name))
// load with a bad repo name should trigger a 500
f, err = os.Open(filepath.Join(ImageCacheDir, alpine.tarballName))
Expect(err).To(BeNil())
_, errs = images.Remove(bt.conn, []string{alpine.name}, nil)
Expect(len(errs)).To(BeZero())
exists, err = images.Exists(bt.conn, alpine.name, nil)
Expect(err).To(BeNil())
Expect(exists).To(BeFalse())
})
It("Export Image", func() {
// Export an image
exportPath := filepath.Join(bt.tempDirPath, alpine.tarballName)
w, err := os.Create(filepath.Join(bt.tempDirPath, alpine.tarballName))
defer w.Close()
Expect(err).To(BeNil())
err = images.Export(bt.conn, []string{alpine.name}, w, nil)
Expect(err).To(BeNil())
_, err = os.Stat(exportPath)
Expect(err).To(BeNil())
// TODO how do we verify that a format change worked?
})
It("Import Image", func() {
// load an image
_, errs := images.Remove(bt.conn, []string{alpine.name}, nil)
Expect(len(errs)).To(BeZero())
exists, err := images.Exists(bt.conn, alpine.name, nil)
Expect(err).To(BeNil())
Expect(exists).To(BeFalse())
f, err := os.Open(filepath.Join(ImageCacheDir, alpine.tarballName))
defer f.Close()
Expect(err).To(BeNil())
changes := []string{"CMD /bin/foobar"}
testMessage := "test_import"
options := new(images.ImportOptions).WithMessage(testMessage).WithChanges(changes).WithReference(alpine.name)
_, err = images.Import(bt.conn, f, options)
Expect(err).To(BeNil())
exists, err = images.Exists(bt.conn, alpine.name, nil)
Expect(err).To(BeNil())
Expect(exists).To(BeTrue())
data, err := images.GetImage(bt.conn, alpine.name, nil)
Expect(err).To(BeNil())
Expect(data.Comment).To(Equal(testMessage))
})
It("History Image", func() {
// a bogus name should return a 404
_, err := images.History(bt.conn, "foobar", nil)
Expect(err).To(Not(BeNil()))
code, _ := bindings.CheckResponseCode(err)
Expect(code).To(BeNumerically("==", http.StatusNotFound))
var foundID bool
data, err := images.GetImage(bt.conn, alpine.name, nil)
Expect(err).To(BeNil())
history, err := images.History(bt.conn, alpine.name, nil)
Expect(err).To(BeNil())
for _, i := range history {
if i.ID == data.ID {
foundID = true
break
}
}
Expect(foundID).To(BeTrue())
})
It("Search for an image", func() {
reports, err := images.Search(bt.conn, "alpine", nil)
Expect(err).To(BeNil())
Expect(len(reports)).To(BeNumerically(">", 1))
var foundAlpine bool
for _, i := range reports {
if i.Name == "docker.io/library/alpine" {
foundAlpine = true
break
}
}
Expect(foundAlpine).To(BeTrue())
// Search for alpine with a limit of 10
options := new(images.SearchOptions).WithLimit(10)
reports, err = images.Search(bt.conn, "docker.io/alpine", options)
Expect(err).To(BeNil())
Expect(len(reports)).To(BeNumerically("<=", 10))
filters := make(map[string][]string)
filters["stars"] = []string{"100"}
// Search for alpine with stars greater than 100
options = new(images.SearchOptions).WithFilters(filters)
reports, err = images.Search(bt.conn, "docker.io/alpine", options)
Expect(err).To(BeNil())
for _, i := range reports {
Expect(i.Stars).To(BeNumerically(">=", 100))
}
// Search with a fqdn
reports, err = images.Search(bt.conn, "quay.io/libpod/alpine_nginx", nil)
Expect(len(reports)).To(BeNumerically(">=", 1))
})
It("Prune images", func() {
options := new(images.PruneOptions).WithAll(true)
results, err := images.Prune(bt.conn, options)
Expect(err).NotTo(HaveOccurred())
Expect(len(results)).To(BeNumerically(">", 0))
})
// TODO: we really need to extent to pull tests once we have a more sophisticated CI.
It("Image Pull", func() {
rawImage := "docker.io/library/busybox:latest"
pulledImages, err := images.Pull(bt.conn, rawImage, nil)
Expect(err).NotTo(HaveOccurred())
Expect(len(pulledImages)).To(Equal(1))
exists, err := images.Exists(bt.conn, rawImage, nil)
Expect(err).NotTo(HaveOccurred())
Expect(exists).To(BeTrue())
// Make sure the normalization AND the full-transport reference works.
_, err = images.Pull(bt.conn, "docker://"+rawImage, nil)
Expect(err).NotTo(HaveOccurred())
// The v2 endpoint only supports the docker transport. Let's see if that's really true.
_, err = images.Pull(bt.conn, "bogus-transport:bogus.com/image:reference", nil)
Expect(err).To(HaveOccurred())
})
})