dotcloud/docker

package client // import "github.com/docker/docker/client"

import (
    "context"
    "io"
    "net/http"
    "net/url"

    "github.com/distribution/reference"
    "github.com/docker/docker/api/types"
    "github.com/docker/docker/api/types/registry"
    "github.com/pkg/errors"
)

// PluginUpgrade upgrades a plugin
func (cli *Client) PluginUpgrade(ctx context.Context, name string, options types.PluginInstallOptions) (rc io.ReadCloser, err error) {
    if err := cli.NewVersionError(ctx, "1.26", "plugin upgrade"); err != nil {
        return nil, err
    }
    query := url.Values{}
    if _, err := reference.ParseNormalizedNamed(options.RemoteRef); err != nil {
        return nil, errors.Wrap(err, "invalid remote reference")
    }
    query.Set("remote", options.RemoteRef)

    privileges, err := cli.checkPluginPermissions(ctx, query, options)
    if err != nil {
        return nil, err
    }

    resp, err := cli.tryPluginUpgrade(ctx, query, privileges, name, options.RegistryAuth)
    if err != nil {
        return nil, err
    }
    return resp.body, nil
}

func (cli *Client) tryPluginUpgrade(ctx context.Context, query url.Values, privileges types.PluginPrivileges, name, registryAuth string) (serverResponse, error) {
    return cli.post(ctx, "/plugins/"+name+"/upgrade", query, privileges, http.Header{
        registry.AuthHeader: {registryAuth},
    })
}