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// Copyright (c) 2019-2020, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the LICENSE.md file
// distributed with the sources of this project regarding your rights to use or distribute this
// software.
package client
import (
"context"
"fmt"
"net/http"
"net/url"
jsonresp "github.com/sylabs/json-resp"
)
const pathVersion = "version"
// GetVersion gets version information from the Key Service. The context controls the lifetime of
// the request.
//
// If an non-200 HTTP status code is received, an error wrapping an HTTPError is returned.
func (c *Client) GetVersion(ctx context.Context) (string, error) {
ref := &url.URL{Path: pathVersion}
req, err := c.NewRequest(ctx, http.MethodGet, ref, nil)
if err != nil {
return "", fmt.Errorf("%w", err)
}
res, err := c.Do(req)
if err != nil {
return "", fmt.Errorf("%w", err)
}
defer res.Body.Close()
if res.StatusCode/100 != 2 { // non-2xx status code
return "", fmt.Errorf("%w", errorFromResponse(res))
}
vi := struct {
Version string `json:"version"`
}{}
if err := jsonresp.ReadResponse(res.Body, &vi); err != nil {
return "", fmt.Errorf("%w", err)
}
return vi.Version, nil
}
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