Merge ociclient

ociclient/putman.go

@@ -0,0 +1,42 @@
+package repocli
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"net/http"
+)
+
+func (cli *Client) PutManifest(ctx context.Context, rawrepo, tag string, man []byte, mime string) error {
+	var err error
+
+	ref, err := NewRepository(rawrepo)
+	if err != nil {
+		return err
+	}
+	uri := ref.Manifest(tag)
+
+	buffer := bytes.NewBuffer(man)
+	req, err := http.NewRequestWithContext(ctx, http.MethodPut, uri, buffer)
+	if err != nil {
+		return err
+	}
+	req.Header.Set("User-Agent", cli.userAgent)
+	req.Header.Set("Docker-Content-Digest", SHA256Digest(man))
+	req.Header.Set("Content-Type", mime)
+	resp, err := cli.httpClient.Do(req)
+	if err != nil {
+		return err
+	}
+	resp.Body.Close()
+	if resp.StatusCode != http.StatusAccepted {
+		err = fmt.Errorf("Manifest not accepted, code %d", resp.StatusCode)
+		return err
+	}
+	loc := resp.Header.Get("Location")
+	if loc == "" {
+		err := fmt.Errorf("Empty manifest location declaration")
+		return err
+	}
+	return err
+}