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Merge pull request #12091 from cole-h/fixup-s3-bad-error-formatting

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libstore: fixup unformatted uri when S3 getObject fails
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Eelco Dolstra 2024-12-19 21:16:15 +01:00 • committed by GitHub
commit 6126007859
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2 changed files with 16 additions and 3 deletions
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2
src/libstore/filetransfer.cc
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@ -767,7 +767,7 @@ struct curlFileTransfer : public FileTransfer
auto s3Res = s3Helper.getObject(bucketName, key);
FileTransferResult res;
if (!s3Res.data)
throw FileTransferError(NotFound, "S3 object '%s' does not exist", request.uri);
throw FileTransferError(NotFound, {}, "S3 object '%s' does not exist", request.uri);
res.data = std::move(*s3Res.data);
res.urls.push_back(request.uri);
callback(std::move(res));

17
tests/nixos/s3-binary-cache-store.nix
View file

@ -10,6 +10,7 @@ let
env = "AWS_ACCESS_KEY_ID=${accessKey} AWS_SECRET_ACCESS_KEY=${secretKey}";
storeUrl = "s3://my-cache?endpoint=http://server:9000&region=eu-west-1";
objectThatDoesNotExist = "s3://my-cache/foo-that-does-not-exist?endpoint=http://server:9000&region=eu-west-1";
in {
name = "s3-binary-cache-store";
@ -20,7 +21,10 @@ in {
{ virtualisation.writableStore = true;
virtualisation.additionalPaths = [ pkgA ];
environment.systemPackages = [ pkgs.minio-client ];
nix.extraOptions = "experimental-features = nix-command";
nix.extraOptions = ''
experimental-features = nix-command
substituters =
'';
services.minio = {
enable = true;
region = "eu-west-1";
@ -35,7 +39,10 @@ in {
client =
{ config, pkgs, ... }:
{ virtualisation.writableStore = true;
nix.extraOptions = "experimental-features = nix-command";
nix.extraOptions = ''
experimental-features = nix-command
substituters =
'';
};
};
@ -54,6 +61,12 @@ in {
# Test fetchurl on s3:// URLs while we're at it.
client.succeed("${env} nix eval --impure --expr 'builtins.fetchurl { name = \"foo\"; url = \"s3://my-cache/nix-cache-info?endpoint=http://server:9000&region=eu-west-1\"; }'")
# Test that the format string in the error message is properly setup and won't display `%s` instead of the failed URI
msg = client.fail("${env} nix eval --impure --expr 'builtins.fetchurl { name = \"foo\"; url = \"${objectThatDoesNotExist}\"; }' 2>&1")
if "S3 object '${objectThatDoesNotExist}' does not exist" not in msg:
print(msg) # So that you can see the message that was improperly formatted
raise Exception("Error message formatting didn't work")
# Copy a package from the binary cache.
client.fail("nix path-info ${pkgA}")