traefik/integration/vendor/github.com/docker/engine-api/client/plugin_install.go

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2017-02-07 21:33:23 +00:00
// +build experimental
package client
import (
"encoding/json"
"net/http"
"net/url"
"github.com/docker/engine-api/types"
"golang.org/x/net/context"
)
// PluginInstall installs a plugin
func (cli *Client) PluginInstall(ctx context.Context, name string, options types.PluginInstallOptions) error {
// FIXME(vdemeester) name is a ref, we might want to parse/validate it here.
query := url.Values{}
query.Set("name", name)
resp, err := cli.tryPluginPull(ctx, query, options.RegistryAuth)
if resp.statusCode == http.StatusUnauthorized && options.PrivilegeFunc != nil {
newAuthHeader, privilegeErr := options.PrivilegeFunc()
if privilegeErr != nil {
ensureReaderClosed(resp)
return privilegeErr
}
resp, err = cli.tryPluginPull(ctx, query, newAuthHeader)
}
if err != nil {
ensureReaderClosed(resp)
return err
}
var privileges types.PluginPrivileges
if err := json.NewDecoder(resp.body).Decode(&privileges); err != nil {
ensureReaderClosed(resp)
return err
}
ensureReaderClosed(resp)
if !options.AcceptAllPermissions && options.AcceptPermissionsFunc != nil && len(privileges) > 0 {
accept, err := options.AcceptPermissionsFunc(privileges)
if err != nil {
return err
}
if !accept {
resp, _ := cli.delete(ctx, "/plugins/"+name, nil, nil)
ensureReaderClosed(resp)
return pluginPermissionDenied{name}
}
}
if options.Disabled {
return nil
}
return cli.PluginEnable(ctx, name)
}
func (cli *Client) tryPluginPull(ctx context.Context, query url.Values, registryAuth string) (*serverResponse, error) {
headers := map[string][]string{"X-Registry-Auth": {registryAuth}}
return cli.post(ctx, "/plugins/pull", query, nil, headers)
}