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Merge remote-tracking branch 'upstream/master' into trustless-remote-builder-simple

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This commit is contained in:
John Ericson 2021-02-12 05:51:53 +00:00
commit b0d52855dc
94 changed files with 1244 additions and 1123 deletions
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69
src/build-remote/build-remote.cc
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@ -17,7 +17,7 @@
#include "store-api.hh"
#include "derivations.hh"
#include "local-store.hh"
#include "../nix/legacy.hh"
#include "legacy.hh"
using namespace nix;
using std::cin;
@ -71,11 +71,15 @@ static int main_build_remote(int argc, char * * argv)
initPlugins();
auto store = openStore().cast<LocalStore>();
auto store = openStore();
/* It would be more appropriate to use $XDG_RUNTIME_DIR, since
that gets cleared on reboot, but it wouldn't work on macOS. */
currentLoad = store->stateDir + "/current-load";
auto currentLoadName = "/current-load";
if (auto localStore = store.dynamic_pointer_cast<LocalFSStore>())
currentLoad = std::string { localStore->stateDir } + currentLoadName;
else
currentLoad = settings.nixStateDir + currentLoadName;
std::shared_ptr<Store> sshStore;
AutoCloseFD bestSlotLock;
@ -172,13 +176,14 @@ static int main_build_remote(int argc, char * * argv)
else
{
// build the hint template.
string hintstring = "derivation: %s\nrequired (system, features): (%s, %s)";
hintstring += "\n%s available machines:";
hintstring += "\n(systems, maxjobs, supportedFeatures, mandatoryFeatures)";
string errorText =
"Failed to find a machine for remote build!\n"
"derivation: %s\nrequired (system, features): (%s, %s)";
errorText += "\n%s available machines:";
errorText += "\n(systems, maxjobs, supportedFeatures, mandatoryFeatures)";
for (unsigned int i = 0; i < machines.size(); ++i) {
hintstring += "\n(%s, %s, %s, %s)";
}
for (unsigned int i = 0; i < machines.size(); ++i)
errorText += "\n(%s, %s, %s, %s)";
// add the template values.
string drvstr;
@ -187,25 +192,21 @@ static int main_build_remote(int argc, char * * argv)
else
drvstr = "<unknown>";
auto hint = hintformat(hintstring);
hint
% drvstr
% neededSystem
% concatStringsSep<StringSet>(", ", requiredFeatures)
% machines.size();
auto error = hintformat(errorText);
error
% drvstr
% neededSystem
% concatStringsSep<StringSet>(", ", requiredFeatures)
% machines.size();
for (auto & m : machines) {
hint % concatStringsSep<vector<string>>(", ", m.systemTypes)
% m.maxJobs
% concatStringsSep<StringSet>(", ", m.supportedFeatures)
% concatStringsSep<StringSet>(", ", m.mandatoryFeatures);
}
for (auto & m : machines)
error
% concatStringsSep<vector<string>>(", ", m.systemTypes)
% m.maxJobs
% concatStringsSep<StringSet>(", ", m.supportedFeatures)
% concatStringsSep<StringSet>(", ", m.mandatoryFeatures);
logErrorInfo(canBuildLocally ? lvlChatty : lvlWarn, {
.name = "Remote build",
.description = "Failed to find a machine for remote build!",
.hint = hint
});
printMsg(canBuildLocally ? lvlChatty : lvlWarn, error);
std::cerr << "# decline\n";
}
@ -230,12 +231,9 @@ static int main_build_remote(int argc, char * * argv)
} catch (std::exception & e) {
auto msg = chomp(drainFD(5, false));
logError({
.name = "Remote build",
.hint = hintfmt("cannot build on '%s': %s%s",
bestMachine->storeUri, e.what(),
(msg.empty() ? "" : ": " + msg))
});
printError("cannot build on '%s': %s%s",
bestMachine->storeUri, e.what(),
msg.empty() ? "" : ": " + msg);
bestMachine->enabled = false;
continue;
}
@ -298,10 +296,11 @@ connected:
if (!missing.empty()) {
Activity act(*logger, lvlTalkative, actUnknown, fmt("copying outputs from '%s'", storeUri));
for (auto & i : missing)
store->locksHeld.insert(store->printStorePath(i)); /* FIXME: ugly */
if (auto localStore = store.dynamic_pointer_cast<LocalStore>())
for (auto & i : missing)
localStore->locksHeld.insert(store->printStorePath(i)); /* FIXME: ugly */
/* No `copyStorePathImpl` because we always trust ourselves. */
copyPaths(sshStore2, store, missing, NoRepair, NoCheckSigs, NoSubstitute);
copyPaths(ref<Store>(sshStore), store, missing, NoRepair, NoCheckSigs, NoSubstitute);
}
return 0;