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package volumes
import (
"context"
"os"
"os/exec"
"path/filepath"
"testing"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/testutil/fixtures/plugin"
"github.com/moby/locker"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
)
var pluginBuildLock = locker.New()
// ensurePlugin makes the that a plugin binary has been installed on the system.
// Plugins that have not been installed are built from `cmd/<name>`.
func ensurePlugin(t *testing.T, name string) string {
pluginBuildLock.Lock(name)
defer pluginBuildLock.Unlock(name)
goPath := os.Getenv("GOPATH")
if goPath == "" {
goPath = "/go"
}
installPath := filepath.Join(goPath, "bin", name)
if _, err := os.Stat(installPath); err == nil {
return installPath
}
goBin, err := exec.LookPath("go")
assert.NilError(t, err)
cmd := exec.Command(goBin, "build", "-o", installPath, "./"+filepath.Join("cmd", name))
cmd.Env = append(os.Environ(), "CGO_ENABLED=0", "GO111MODULE=off")
if out, err := cmd.CombinedOutput(); err != nil {
t.Fatal(errors.Wrapf(err, "error building basic plugin bin: %s", string(out)))
}
return installPath
}
func withSockPath(name string) func(*plugin.Config) {
return func(cfg *plugin.Config) {
cfg.Interface.Socket = name
}
}
func createPlugin(t *testing.T, client plugin.CreateClient, alias, bin string, opts ...plugin.CreateOpt) {
pluginBin := ensurePlugin(t, bin)
opts = append(opts, withSockPath("plugin.sock"))
opts = append(opts, plugin.WithBinary(pluginBin))
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
err := plugin.Create(ctx, client, alias, opts...)
cancel()
assert.NilError(t, err)
}
func asVolumeDriver(cfg *plugin.Config) {
cfg.Interface.Types = []types.PluginInterfaceType{
{Capability: "volumedriver", Prefix: "docker", Version: "1.0"},
}
}
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