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moby--moby/integration-cli/docker_cli_pull_local_test.go
heartlock dc9dd188cf update pull-local#16756
Signed-off-by: heartlock <21521209@zju.edu.cn>
2015-10-11 09:57:25 +08:00

161 lines
4.7 KiB
Go

package main
import (
"fmt"
"os/exec"
"strings"
"github.com/go-check/check"
)
// TestPullImageWithAliases pulls a specific image tag and verifies that any aliases (i.e., other
// tags for the same image) are not also pulled down.
//
// Ref: docker/docker#8141
func (s *DockerRegistrySuite) TestPullImageWithAliases(c *check.C) {
repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
repos := []string{}
for _, tag := range []string{"recent", "fresh"} {
repos = append(repos, fmt.Sprintf("%v:%v", repoName, tag))
}
// Tag and push the same image multiple times.
for _, repo := range repos {
dockerCmd(c, "tag", "busybox", repo)
dockerCmd(c, "push", repo)
}
// Clear local images store.
args := append([]string{"rmi"}, repos...)
dockerCmd(c, args...)
// Pull a single tag and verify it doesn't bring down all aliases.
dockerCmd(c, "pull", repos[0])
dockerCmd(c, "inspect", repos[0])
for _, repo := range repos[1:] {
_, _, err := dockerCmdWithError("inspect", repo)
c.Assert(err, check.NotNil, check.Commentf("Image %v shouldn't have been pulled down", repo))
}
}
// TestConcurrentPullWholeRepo pulls the same repo concurrently.
func (s *DockerRegistrySuite) TestConcurrentPullWholeRepo(c *check.C) {
repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
repos := []string{}
for _, tag := range []string{"recent", "fresh", "todays"} {
repo := fmt.Sprintf("%v:%v", repoName, tag)
_, err := buildImage(repo, fmt.Sprintf(`
FROM busybox
ENTRYPOINT ["/bin/echo"]
ENV FOO foo
ENV BAR bar
CMD echo %s
`, repo), true)
c.Assert(err, check.IsNil)
dockerCmd(c, "push", repo)
repos = append(repos, repo)
}
// Clear local images store.
args := append([]string{"rmi"}, repos...)
dockerCmd(c, args...)
// Run multiple re-pulls concurrently
results := make(chan error)
numPulls := 3
for i := 0; i != numPulls; i++ {
go func() {
_, _, err := runCommandWithOutput(exec.Command(dockerBinary, "pull", "-a", repoName))
results <- err
}()
}
// These checks are separate from the loop above because the check
// package is not goroutine-safe.
for i := 0; i != numPulls; i++ {
err := <-results
c.Assert(err, check.IsNil, check.Commentf("concurrent pull failed with error: %v", err))
}
// Ensure all tags were pulled successfully
for _, repo := range repos {
dockerCmd(c, "inspect", repo)
out, _ := dockerCmd(c, "run", "--rm", repo)
c.Assert(strings.TrimSpace(out), check.Equals, "/bin/sh -c echo "+repo, check.Commentf("CMD did not contain /bin/sh -c echo %s: %s", repo, out))
}
}
// TestConcurrentFailingPull tries a concurrent pull that doesn't succeed.
func (s *DockerRegistrySuite) TestConcurrentFailingPull(c *check.C) {
repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
// Run multiple pulls concurrently
results := make(chan error)
numPulls := 3
for i := 0; i != numPulls; i++ {
go func() {
_, _, err := runCommandWithOutput(exec.Command(dockerBinary, "pull", repoName+":asdfasdf"))
results <- err
}()
}
// These checks are separate from the loop above because the check
// package is not goroutine-safe.
for i := 0; i != numPulls; i++ {
err := <-results
c.Assert(err, check.NotNil, check.Commentf("expected pull to fail"))
}
}
// TestConcurrentPullMultipleTags pulls multiple tags from the same repo
// concurrently.
func (s *DockerRegistrySuite) TestConcurrentPullMultipleTags(c *check.C) {
repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
repos := []string{}
for _, tag := range []string{"recent", "fresh", "todays"} {
repo := fmt.Sprintf("%v:%v", repoName, tag)
_, err := buildImage(repo, fmt.Sprintf(`
FROM busybox
ENTRYPOINT ["/bin/echo"]
ENV FOO foo
ENV BAR bar
CMD echo %s
`, repo), true)
c.Assert(err, check.IsNil)
dockerCmd(c, "push", repo)
repos = append(repos, repo)
}
// Clear local images store.
args := append([]string{"rmi"}, repos...)
dockerCmd(c, args...)
// Re-pull individual tags, in parallel
results := make(chan error)
for _, repo := range repos {
go func(repo string) {
_, _, err := runCommandWithOutput(exec.Command(dockerBinary, "pull", repo))
results <- err
}(repo)
}
// These checks are separate from the loop above because the check
// package is not goroutine-safe.
for range repos {
err := <-results
c.Assert(err, check.IsNil, check.Commentf("concurrent pull failed with error: %v", err))
}
// Ensure all tags were pulled successfully
for _, repo := range repos {
dockerCmd(c, "inspect", repo)
out, _ := dockerCmd(c, "run", "--rm", repo)
c.Assert(strings.TrimSpace(out), check.Equals, "/bin/sh -c echo "+repo, check.Commentf("CMD did not contain /bin/sh -c echo %s; %s", repo, out))
}
}