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-rw-r--r--src/build-remote/build-remote.cc16
-rw-r--r--src/libstore/build.cc8
-rw-r--r--src/libstore/machines.cc24
-rw-r--r--src/libstore/machines.hh4
-rw-r--r--src/libstore/parsed-derivations.cc8
-rw-r--r--src/libstore/parsed-derivations.hh4
-rw-r--r--src/libstore/store-api.hh4
7 files changed, 46 insertions, 22 deletions
diff --git a/src/build-remote/build-remote.cc b/src/build-remote/build-remote.cc
index cec7b369b..ce5127113 100644
--- a/src/build-remote/build-remote.cc
+++ b/src/build-remote/build-remote.cc
@@ -38,9 +38,9 @@ static AutoCloseFD openSlotLock(const Machine & m, uint64_t slot)
return openLockFile(fmt("%s/%s-%d", currentLoad, escapeUri(m.storeUri), slot), true);
}
-static bool allSupportedLocally(const std::set<std::string>& requiredFeatures) {
+static bool allSupportedLocally(Store & store, const std::set<std::string>& requiredFeatures) {
for (auto & feature : requiredFeatures)
- if (!settings.systemFeatures.get().count(feature)) return false;
+ if (!store.systemFeatures.get().count(feature)) return false;
return true;
}
@@ -106,7 +106,7 @@ static int _main(int argc, char * * argv)
auto canBuildLocally = amWilling
&& ( neededSystem == settings.thisSystem
|| settings.extraPlatforms.get().count(neededSystem) > 0)
- && allSupportedLocally(requiredFeatures);
+ && allSupportedLocally(*store, requiredFeatures);
/* Error ignored here, will be caught later */
mkdir(currentLoad.c_str(), 0777);
@@ -224,15 +224,7 @@ static int _main(int argc, char * * argv)
Activity act(*logger, lvlTalkative, actUnknown, fmt("connecting to '%s'", bestMachine->storeUri));
- Store::Params storeParams;
- if (hasPrefix(bestMachine->storeUri, "ssh://")) {
- storeParams["max-connections"] = "1";
- storeParams["log-fd"] = "4";
- if (bestMachine->sshKey != "")
- storeParams["ssh-key"] = bestMachine->sshKey;
- }
-
- sshStore = openStore(bestMachine->storeUri, storeParams);
+ sshStore = bestMachine->openStore();
sshStore->connect();
storeUri = bestMachine->storeUri;
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index 76baa1a6e..d6e6ad6a9 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -1475,7 +1475,7 @@ void DerivationGoal::tryToBuild()
/* Don't do a remote build if the derivation has the attribute
`preferLocalBuild' set. Also, check and repair modes are only
supported for local builds. */
- bool buildLocally = buildMode != bmNormal || parsedDrv->willBuildLocally();
+ bool buildLocally = buildMode != bmNormal || parsedDrv->willBuildLocally(worker.store);
/* Is the build hook willing to accept this job? */
if (!buildLocally) {
@@ -1964,13 +1964,13 @@ void linkOrCopy(const Path & from, const Path & to)
void DerivationGoal::startBuilder()
{
/* Right platform? */
- if (!parsedDrv->canBuildLocally())
+ if (!parsedDrv->canBuildLocally(worker.store))
throw Error("a '%s' with features {%s} is required to build '%s', but I am a '%s' with features {%s}",
drv->platform,
concatStringsSep(", ", parsedDrv->getRequiredSystemFeatures()),
worker.store.printStorePath(drvPath),
settings.thisSystem,
- concatStringsSep<StringSet>(", ", settings.systemFeatures));
+ concatStringsSep<StringSet>(", ", worker.store.systemFeatures));
if (drv->isBuiltin())
preloadNSS();
@@ -3179,7 +3179,7 @@ void DerivationGoal::runChild()
createDirs(chrootRootDir + "/dev/shm");
createDirs(chrootRootDir + "/dev/pts");
ss.push_back("/dev/full");
- if (settings.systemFeatures.get().count("kvm") && pathExists("/dev/kvm"))
+ if (worker.store.systemFeatures.get().count("kvm") && pathExists("/dev/kvm"))
ss.push_back("/dev/kvm");
ss.push_back("/dev/null");
ss.push_back("/dev/random");
diff --git a/src/libstore/machines.cc b/src/libstore/machines.cc
index f848582da..7db2556f4 100644
--- a/src/libstore/machines.cc
+++ b/src/libstore/machines.cc
@@ -1,6 +1,7 @@
#include "machines.hh"
#include "util.hh"
#include "globals.hh"
+#include "store-api.hh"
#include <algorithm>
@@ -48,6 +49,29 @@ bool Machine::mandatoryMet(const std::set<string> & features) const {
});
}
+ref<Store> Machine::openStore() const {
+ Store::Params storeParams;
+ if (hasPrefix(storeUri, "ssh://")) {
+ storeParams["max-connections"] = "1";
+ storeParams["log-fd"] = "4";
+ if (sshKey != "")
+ storeParams["ssh-key"] = sshKey;
+ }
+ {
+ auto & fs = storeParams["system-features"];
+ auto append = [&](auto feats) {
+ for (auto & f : feats) {
+ if (fs.size() > 0) fs += ' ';
+ fs += f;
+ }
+ };
+ append(supportedFeatures);
+ append(mandatoryFeatures);
+ }
+
+ return nix::openStore(storeUri, storeParams);
+}
+
void parseMachines(const std::string & s, Machines & machines)
{
for (auto line : tokenizeString<std::vector<string>>(s, "\n;")) {
diff --git a/src/libstore/machines.hh b/src/libstore/machines.hh
index de92eb924..341d9bd97 100644
--- a/src/libstore/machines.hh
+++ b/src/libstore/machines.hh
@@ -4,6 +4,8 @@
namespace nix {
+class Store;
+
struct Machine {
const string storeUri;
@@ -28,6 +30,8 @@ struct Machine {
decltype(supportedFeatures) supportedFeatures,
decltype(mandatoryFeatures) mandatoryFeatures,
decltype(sshPublicHostKey) sshPublicHostKey);
+
+ ref<Store> openStore() const;
};
typedef std::vector<Machine> Machines;
diff --git a/src/libstore/parsed-derivations.cc b/src/libstore/parsed-derivations.cc
index 24f848e46..e7b7202d4 100644
--- a/src/libstore/parsed-derivations.cc
+++ b/src/libstore/parsed-derivations.cc
@@ -94,7 +94,7 @@ StringSet ParsedDerivation::getRequiredSystemFeatures() const
return res;
}
-bool ParsedDerivation::canBuildLocally() const
+bool ParsedDerivation::canBuildLocally(Store & localStore) const
{
if (drv.platform != settings.thisSystem.get()
&& !settings.extraPlatforms.get().count(drv.platform)
@@ -102,14 +102,14 @@ bool ParsedDerivation::canBuildLocally() const
return false;
for (auto & feature : getRequiredSystemFeatures())
- if (!settings.systemFeatures.get().count(feature)) return false;
+ if (!localStore.systemFeatures.get().count(feature)) return false;
return true;
}
-bool ParsedDerivation::willBuildLocally() const
+bool ParsedDerivation::willBuildLocally(Store & localStore) const
{
- return getBoolAttr("preferLocalBuild") && canBuildLocally();
+ return getBoolAttr("preferLocalBuild") && canBuildLocally(localStore);
}
bool ParsedDerivation::substitutesAllowed() const
diff --git a/src/libstore/parsed-derivations.hh b/src/libstore/parsed-derivations.hh
index 6ee172d81..3fa09f34f 100644
--- a/src/libstore/parsed-derivations.hh
+++ b/src/libstore/parsed-derivations.hh
@@ -29,9 +29,9 @@ public:
StringSet getRequiredSystemFeatures() const;
- bool canBuildLocally() const;
+ bool canBuildLocally(Store & localStore) const;
- bool willBuildLocally() const;
+ bool willBuildLocally(Store & localStore) const;
bool substitutesAllowed() const;
};
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index e94d975c5..1e940e6a8 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -164,6 +164,10 @@ public:
Setting<bool> wantMassQuery{this, false, "want-mass-query", "whether this substituter can be queried efficiently for path validity"};
+ Setting<StringSet> systemFeatures{this, settings.systemFeatures,
+ "system-features",
+ "Optional features that the system this store builds on implements (like \"kvm\")."};
+
protected:
struct PathInfoCacheValue {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 14:28:54 +0000