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moby--moby/integration-cli/registry.go

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package main
import (
"fmt"
"io/ioutil"
"net/http"
"os"
"os/exec"
"path/filepath"
"github.com/go-check/check"
)
const v2binary = "registry-v2"
type testRegistryV2 struct {
cmd *exec.Cmd
dir string
}
func newTestRegistryV2(c *check.C) (*testRegistryV2, error) {
template := `version: 0.1
loglevel: debug
storage:
filesystem:
rootdirectory: %s
http:
addr: %s`
tmp, err := ioutil.TempDir("", "registry-test-")
if err != nil {
return nil, err
}
confPath := filepath.Join(tmp, "config.yaml")
config, err := os.Create(confPath)
if err != nil {
return nil, err
}
if _, err := fmt.Fprintf(config, template, tmp, privateRegistryURL); err != nil {
os.RemoveAll(tmp)
return nil, err
}
cmd := exec.Command(v2binary, confPath)
if err := cmd.Start(); err != nil {
os.RemoveAll(tmp)
if os.IsNotExist(err) {
c.Skip(err.Error())
}
return nil, err
}
return &testRegistryV2{
cmd: cmd,
dir: tmp,
}, nil
}
func (t *testRegistryV2) Ping() error {
// We always ping through HTTP for our test registry.
resp, err := http.Get(fmt.Sprintf("http://%s/v2/", privateRegistryURL))
if err != nil {
return err
}
if resp.StatusCode != 200 {
return fmt.Errorf("registry ping replied with an unexpected status code %d", resp.StatusCode)
}
return nil
}
func (r *testRegistryV2) Close() {
r.cmd.Process.Kill()
os.RemoveAll(r.dir)
}