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Support hydra-build-products on binary cache stores

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This commit is contained in:
Eelco Dolstra
2016-02-26 14:45:03 +01:00
parent 8e24ad6f0d
commit 02190b0fef
4 changed files with 34 additions and 51 deletions
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77
src/hydra-queue-runner/build-result.cc
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@ -2,26 +2,13 @@
#include "store-api.hh"
#include "util.hh"
#include "regex.hh"
#include "fs-accessor.hh"
using namespace nix;
static std::tuple<bool, string> secureRead(Path fileName)
{
auto fail = std::make_tuple(false, "");
if (!pathExists(fileName)) return fail;
try {
/* For security, resolve symlinks. */
fileName = canonPath(fileName, true);
if (!isInStore(fileName)) return fail;
return std::make_tuple(true, readFile(fileName));
} catch (Error & e) { return fail; }
}
BuildOutput getBuildOutput(nix::ref<Store> store, const Derivation & drv)
BuildOutput getBuildOutput(nix::ref<Store> store,
nix::ref<nix::FSAccessor> accessor, const Derivation & drv)
{
BuildOutput res;
@ -41,7 +28,6 @@ BuildOutput getBuildOutput(nix::ref<Store> store, const Derivation & drv)
/* Get build products. */
bool explicitProducts = false;
#if 0
Regex regex(
"(([a-zA-Z0-9_-]+)" // type (e.g. "doc")
"[[:space:]]+"
@ -53,14 +39,16 @@ BuildOutput getBuildOutput(nix::ref<Store> store, const Derivation & drv)
for (auto & output : outputs) {
Path failedFile = output + "/nix-support/failed";
if (pathExists(failedFile)) res.failed = true;
if (accessor->stat(failedFile).type == FSAccessor::Type::tRegular)
res.failed = true;
auto file = secureRead(output + "/nix-support/hydra-build-products");
if (!std::get<0>(file)) continue;
Path productsFile = output + "/nix-support/hydra-build-products";
if (accessor->stat(productsFile).type != FSAccessor::Type::tRegular)
continue;
explicitProducts = true;
for (auto & line : tokenizeString<Strings>(std::get<1>(file), "\n")) {
for (auto & line : tokenizeString<Strings>(accessor->readFile(productsFile), "\n")) {
BuildProduct product;
Regex::Subs subs;
@ -73,32 +61,28 @@ BuildOutput getBuildOutput(nix::ref<Store> store, const Derivation & drv)
/* Ensure that the path exists and points into the Nix
store. */
// FIXME: should we disallow products referring to other
// store paths, or that are outside the input closure?
if (product.path == "" || product.path[0] != '/') continue;
try {
product.path = canonPath(product.path, true);
} catch (Error & e) { continue; }
if (!isInStore(product.path) || !pathExists(product.path)) continue;
product.path = canonPath(product.path);
if (!isInStore(product.path)) continue;
/* FIXME: check that the path is in the input closure
of the build? */
auto st = accessor->stat(product.path);
if (st.type == FSAccessor::Type::tMissing) continue;
product.name = product.path == output ? "" : baseNameOf(product.path);
struct stat st;
if (stat(product.path.c_str(), &st))
throw SysError(format("getting status of ‘%1%’") % product.path);
if (S_ISREG(st.st_mode)) {
if (st.type == FSAccessor::Type::tRegular) {
product.isRegular = true;
product.fileSize = st.st_size;
product.sha1hash = hashFile(htSHA1, product.path);
product.sha256hash = hashFile(htSHA256, product.path);
product.fileSize = st.fileSize;
auto contents = accessor->readFile(product.path);
product.sha1hash = hashString(htSHA1, contents);
product.sha256hash = hashString(htSHA256, contents);
}
res.products.push_back(product);
}
}
#endif
/* If no build products were explicitly declared, then add all
outputs as a product of type "nix-build". */
@ -110,31 +94,29 @@ BuildOutput getBuildOutput(nix::ref<Store> store, const Derivation & drv)
product.subtype = output.first == "out" ? "" : output.first;
product.name = storePathToName(product.path);
#if 0
struct stat st;
if (stat(product.path.c_str(), &st))
throw SysError(format("getting status of ‘%1%’") % product.path);
if (S_ISDIR(st.st_mode))
#endif
auto st = accessor->stat(product.path);
if (st.type == FSAccessor::Type::tMissing)
throw Error(format("getting status of ‘%1%’") % product.path);
if (st.type == FSAccessor::Type::tDirectory)
res.products.push_back(product);
}
}
#if 0
/* Get the release name from $output/nix-support/hydra-release-name. */
for (auto & output : outputs) {
Path p = output + "/nix-support/hydra-release-name";
if (!pathExists(p)) continue;
if (accessor->stat(p).type != FSAccessor::Type::tRegular) continue;
try {
res.releaseName = trim(readFile(p));
res.releaseName = trim(accessor->readFile(p));
} catch (Error & e) { continue; }
// FIXME: validate release name
}
/* Get metrics. */
for (auto & output : outputs) {
auto file = secureRead(output + "/nix-support/hydra-metrics");
for (auto & line : tokenizeString<Strings>(std::get<1>(file), "\n")) {
Path metricsFile = output + "/nix-support/hydra-metrics";
if (accessor->stat(metricsFile).type != FSAccessor::Type::tRegular) continue;
for (auto & line : tokenizeString<Strings>(accessor->readFile(metricsFile), "\n")) {
auto fields = tokenizeString<std::vector<std::string>>(line);
if (fields.size() < 2) continue;
BuildMetric metric;
@ -144,7 +126,6 @@ BuildOutput getBuildOutput(nix::ref<Store> store, const Derivation & drv)
res.metrics[metric.name] = metric;
}
}
#endif
return res;
}

4
src/hydra-queue-runner/build-result.hh
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@ -4,6 +4,7 @@
#include "hash.hh"
#include "derivations.hh"
#include "store-api.hh"
struct BuildProduct
{
@ -37,4 +38,5 @@ struct BuildOutput
std::map<std::string, BuildMetric> metrics;
};
BuildOutput getBuildOutput(nix::ref<nix::Store> store, const nix::Derivation & drv);
BuildOutput getBuildOutput(nix::ref<nix::Store> store,
nix::ref<nix::FSAccessor> accessor, const nix::Derivation & drv);

2
src/hydra-queue-runner/builder.cc
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@ -126,7 +126,7 @@ bool State::doBuildStep(nix::ref<Store> destStore, Step::ptr step,
result.errorMsg = e.msg();
}
if (result.success()) res = getBuildOutput(destStore, step->drv);
if (result.success()) res = getBuildOutput(destStore, destStore->getFSAccessor(), step->drv);
}
time_t stepStopTime = time(0);

2
src/hydra-queue-runner/queue-monitor.cc
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@ -159,7 +159,7 @@ bool State::getQueuedBuilds(Connection & conn, ref<Store> localStore,
all valid. So we mark this as a finished, cached build. */
if (!step) {
Derivation drv = readDerivation(build->drvPath);
BuildOutput res = getBuildOutput(destStore, drv);
BuildOutput res = getBuildOutput(destStore, destStore->getFSAccessor(), drv);
pqxx::work txn(conn);
time_t now = time(0);