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feat(3p/nix): Implement FindRoots, CollectGarbage

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Implement the RPC client and server handlers for the FindRoots and
CollectGarbage RPC calls

Change-Id: Ifa5d582c6a33bd1e7661ac2fc860505ef404dad0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1656
Tested-by: BuildkiteCI
Reviewed-by: kanepyork <rikingcoding@gmail.com>
This commit is contained in:
Griffin Smith 2020-08-04 23:06:01 -04:00 • committed by glittershark
parent f9df9b4733
commit ea488b5705
5 changed files with 117 additions and 3 deletions
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29
third_party/nix/src/libstore/rpc-store.cc vendored
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@ -418,11 +418,36 @@ void RpcStore::syncWithGC() {
}
Roots RpcStore::findRoots(bool censor) {
throw Unsupported(absl::StrCat("Not implemented ", __func__));
ClientContext ctx;
proto::FindRootsResponse response;
SuccessOrThrow(stub_->FindRoots(&ctx, kEmpty, &response));
Roots result;
for (const auto& [target, links] : response.roots()) {
auto link_paths = FillFrom<std::unordered_set<std::string>>(links.paths());
result.insert({target, link_paths});
}
return result;
}
void RpcStore::collectGarbage(const GCOptions& options, GCResults& results) {
throw Unsupported(absl::StrCat("Not implemented ", __func__));
ClientContext ctx;
proto::CollectGarbageRequest request;
request.set_action(options.ActionToProto());
for (const auto& path : options.pathsToDelete) {
request.add_paths_to_delete(path);
}
request.set_ignore_liveness(options.ignoreLiveness);
request.set_max_freed(options.maxFreed);
proto::CollectGarbageResponse response;
SuccessOrThrow(stub_->CollectGarbage(&ctx, request, &response));
for (const auto& path : response.deleted_paths()) {
results.paths.insert(path);
}
results.bytesFreed = response.bytes_freed();
}
void RpcStore::optimiseStore() {