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build-remote: only allocate storeUri once

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also it's probably not much overhead compared to the networking stuff
it, but it's less code at least.
This commit is contained in:
Jörg Thalheim 2024-07-25 09:21:31 +02:00
parent 99c20d6624
commit 9b5ce9acc2
1 changed files with 11 additions and 12 deletions
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23
src/build-remote/build-remote.cc
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@ -101,7 +101,7 @@ static int main_build_remote(int argc, char * * argv)
} }
std::optional<StorePath> drvPath; std::optional<StorePath> drvPath;
StoreReference storeUri; std::string storeUri;
while (true) { while (true) {
@ -234,17 +234,16 @@ static int main_build_remote(int argc, char * * argv)
lock = -1; lock = -1;
try { try {
storeUri = bestMachine->storeUri.render();
Activity act(*logger, lvlTalkative, actUnknown, fmt("connecting to '%s'", bestMachine->storeUri.render())); Activity act(*logger, lvlTalkative, actUnknown, fmt("connecting to '%s'", storeUri));
sshStore = bestMachine->openStore(); sshStore = bestMachine->openStore();
sshStore->connect(); sshStore->connect();
storeUri = bestMachine->storeUri;
} catch (std::exception & e) { } catch (std::exception & e) {
auto msg = chomp(drainFD(5, false)); auto msg = chomp(drainFD(5, false));
printError("cannot build on '%s': %s%s", printError("cannot build on '%s': %s%s",
bestMachine->storeUri.render(), e.what(), storeUri, e.what(),
msg.empty() ? "" : ": " + msg); msg.empty() ? "" : ": " + msg);
bestMachine->enabled = false; bestMachine->enabled = false;
continue; continue;
@ -259,7 +258,7 @@ connected:
assert(sshStore); assert(sshStore);
std::cerr << "# accept\n" << storeUri.render() << "\n"; std::cerr << "# accept\n" << storeUri << "\n";
auto inputs = readStrings<PathSet>(source); auto inputs = readStrings<PathSet>(source);
auto wantedOutputs = readStrings<StringSet>(source); auto wantedOutputs = readStrings<StringSet>(source);
@ -270,17 +269,17 @@ connected:
uploadLock = openLockFile(currentLoad + "/" + escapeUri(fileName) + ".upload-lock", true); uploadLock = openLockFile(currentLoad + "/" + escapeUri(fileName) + ".upload-lock", true);
}; };
try { try {
setUpdateLock(storeUri.render()); setUpdateLock(storeUri);
} catch (SysError & e) { } catch (SysError & e) {
if (e.errNo != ENAMETOOLONG) throw; if (e.errNo != ENAMETOOLONG) throw;
// Try again hashing the store URL so we have a shorter path // Try again hashing the store URL so we have a shorter path
auto h = hashString(HashAlgorithm::MD5, storeUri.render()); auto h = hashString(HashAlgorithm::MD5, storeUri);
setUpdateLock(h.to_string(HashFormat::Base64, false)); setUpdateLock(h.to_string(HashFormat::Base64, false));
} }
} }
{ {
Activity act(*logger, lvlTalkative, actUnknown, fmt("waiting for the upload lock to '%s'", storeUri.render())); Activity act(*logger, lvlTalkative, actUnknown, fmt("waiting for the upload lock to '%s'", storeUri));
auto old = signal(SIGALRM, handleAlarm); auto old = signal(SIGALRM, handleAlarm);
alarm(15 * 60); alarm(15 * 60);
@ -293,7 +292,7 @@ connected:
auto substitute = settings.buildersUseSubstitutes ? Substitute : NoSubstitute; auto substitute = settings.buildersUseSubstitutes ? Substitute : NoSubstitute;
{ {
Activity act(*logger, lvlTalkative, actUnknown, fmt("copying dependencies to '%s'", storeUri.render())); Activity act(*logger, lvlTalkative, actUnknown, fmt("copying dependencies to '%s'", storeUri));
copyPaths(*store, *sshStore, store->parseStorePathSet(inputs), NoRepair, NoCheckSigs, substitute); copyPaths(*store, *sshStore, store->parseStorePathSet(inputs), NoRepair, NoCheckSigs, substitute);
} }
@ -331,7 +330,7 @@ connected:
optResult = sshStore->buildDerivation(*drvPath, (const BasicDerivation &) drv); optResult = sshStore->buildDerivation(*drvPath, (const BasicDerivation &) drv);
auto & result = *optResult; auto & result = *optResult;
if (!result.success()) if (!result.success())
throw Error("build of '%s' on '%s' failed: %s", store->printStorePath(*drvPath), storeUri.render(), result.errorMsg); throw Error("build of '%s' on '%s' failed: %s", store->printStorePath(*drvPath), storeUri, result.errorMsg);
} else { } else {
copyClosure(*store, *sshStore, StorePathSet {*drvPath}, NoRepair, NoCheckSigs, substitute); copyClosure(*store, *sshStore, StorePathSet {*drvPath}, NoRepair, NoCheckSigs, substitute);
auto res = sshStore->buildPathsWithResults({ auto res = sshStore->buildPathsWithResults({
@ -374,7 +373,7 @@ connected:
} }
if (!missingPaths.empty()) { if (!missingPaths.empty()) {
Activity act(*logger, lvlTalkative, actUnknown, fmt("copying outputs from '%s'", storeUri.render())); Activity act(*logger, lvlTalkative, actUnknown, fmt("copying outputs from '%s'", storeUri));
if (auto localStore = store.dynamic_pointer_cast<LocalStore>()) if (auto localStore = store.dynamic_pointer_cast<LocalStore>())
for (auto & path : missingPaths) for (auto & path : missingPaths)
localStore->locksHeld.insert(store->printStorePath(path)); /* FIXME: ugly */ localStore->locksHeld.insert(store->printStorePath(path)); /* FIXME: ugly */