oci: use pickleable errors (#42160)

lib/spack/spack/cmd/buildcache.py

@@ -716,8 +716,9 @@ def _config_from_tag(image_ref: ImageReference, tag: str) -> Optional[dict]:
 
 
 def _update_index_oci(image_ref: ImageReference, tmpdir: str, pool: MaybePool) -> None:
-    response = spack.oci.opener.urlopen(urllib.request.Request(url=image_ref.tags_url()))
-    spack.oci.opener.ensure_status(response, 200)
+    request = urllib.request.Request(url=image_ref.tags_url())
+    response = spack.oci.opener.urlopen(request)
+    spack.oci.opener.ensure_status(request, response, 200)
     tags = json.load(response)["tags"]
 
     # Fetch all image config files in parallel

lib/spack/spack/oci/oci.py

@@ -134,7 +134,7 @@ def upload_blob(
             return True
 
         # Otherwise, do another PUT request.
-        spack.oci.opener.ensure_status(response, 202)
+        spack.oci.opener.ensure_status(request, response, 202)
         assert "Location" in response.headers
 
         # Can be absolute or relative, joining handles both
@@ -143,19 +143,16 @@ def upload_blob(
         )
         f.seek(0)
 
-        response = _urlopen(
-            Request(
-                url=upload_url,
-                method="PUT",
-                data=f,
-                headers={
-                    "Content-Type": "application/octet-stream",
-                    "Content-Length": str(file_size),
-                },
-            )
+        request = Request(
+            url=upload_url,
+            method="PUT",
+            data=f,
+            headers={"Content-Type": "application/octet-stream", "Content-Length": str(file_size)},
         )
 
-        spack.oci.opener.ensure_status(response, 201)
+        response = _urlopen(request)
+
+        spack.oci.opener.ensure_status(request, response, 201)
 
     # print elapsed time and # MB/s
     _log_upload_progress(digest, file_size, time.time() - start)
@@ -189,16 +186,16 @@ def upload_manifest(
     if not tag:
         ref = ref.with_digest(digest)
 
-    response = _urlopen(
-        Request(
-            url=ref.manifest_url(),
-            method="PUT",
-            data=data,
-            headers={"Content-Type": oci_manifest["mediaType"]},
-        )
+    request = Request(
+        url=ref.manifest_url(),
+        method="PUT",
+        data=data,
+        headers={"Content-Type": oci_manifest["mediaType"]},
     )
 
-    spack.oci.opener.ensure_status(response, 201)
+    response = _urlopen(request)
+
+    spack.oci.opener.ensure_status(request, response, 201)
     return digest, size
 
 

lib/spack/spack/oci/opener.py

@@ -310,19 +310,15 @@ def http_error_401(self, req: Request, fp, code, msg, headers):
         # Login failed, avoid infinite recursion where we go back and
         # forth between auth server and registry
         if hasattr(req, "login_attempted"):
-            raise urllib.error.HTTPError(
-                req.full_url, code, f"Failed to login to {req.full_url}: {msg}", headers, fp
+            raise spack.util.web.DetailedHTTPError(
+                req, code, f"Failed to login: {msg}", headers, fp
             )
 
         # On 401 Unauthorized, parse the WWW-Authenticate header
         # to determine what authentication is required
         if "WWW-Authenticate" not in headers:
-            raise urllib.error.HTTPError(
-                req.full_url,
-                code,
-                "Cannot login to registry, missing WWW-Authenticate header",
-                headers,
-                fp,
+            raise spack.util.web.DetailedHTTPError(
+                req, code, "Cannot login to registry, missing WWW-Authenticate header", headers, fp
             )
 
         header_value = headers["WWW-Authenticate"]
@@ -330,8 +326,8 @@ def http_error_401(self, req: Request, fp, code, msg, headers):
         try:
             challenge = get_bearer_challenge(parse_www_authenticate(header_value))
         except ValueError as e:
-            raise urllib.error.HTTPError(
-                req.full_url,
+            raise spack.util.web.DetailedHTTPError(
+                req,
                 code,
                 f"Cannot login to registry, malformed WWW-Authenticate header: {header_value}",
                 headers,
@@ -340,8 +336,8 @@ def http_error_401(self, req: Request, fp, code, msg, headers):
 
         # If there is no bearer challenge, we can't handle it
         if not challenge:
-            raise urllib.error.HTTPError(
-                req.full_url,
+            raise spack.util.web.DetailedHTTPError(
+                req,
                 code,
                 f"Cannot login to registry, unsupported authentication scheme: {header_value}",
                 headers,
@@ -356,8 +352,8 @@ def http_error_401(self, req: Request, fp, code, msg, headers):
                 timeout=req.timeout,
             )
         except ValueError as e:
-            raise urllib.error.HTTPError(
-                req.full_url,
+            raise spack.util.web.DetailedHTTPError(
+                req,
                 code,
                 f"Cannot login to registry, failed to obtain bearer token: {e}",
                 headers,
@@ -412,13 +408,13 @@ def create_opener():
     return opener
 
 
-def ensure_status(response: HTTPResponse, status: int):
+def ensure_status(request: urllib.request.Request, response: HTTPResponse, status: int):
     """Raise an error if the response status is not the expected one."""
     if response.status == status:
         return
 
-    raise urllib.error.HTTPError(
-        response.geturl(), response.status, response.reason, response.info(), None
+    raise spack.util.web.DetailedHTTPError(
+        request, response.status, response.reason, response.info(), None
     )