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nixbld: re-add networked derivations patch

This commit is contained in:
Sebastien Bourdeauducq 2022-06-04 13:52:21 +08:00
parent 429cbb0c8d
commit ae5e85d611
2 changed files with 83 additions and 0 deletions
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3
nixbld-etc-nixos/configuration.nix
View File

@ -497,6 +497,9 @@ in
};
nixpkgs.config.packageOverrides = super: let self = super.pkgs; in {
nix = super.nix.overrideAttrs(oa: {
patches = oa.patches or [] ++ [ ./nix-28-networked-derivations.patch ];
});
hydra_unstable = super.hydra_unstable.overrideAttrs(oa: {
patches = oa.patches or [] ++ [
./hydra-conda.patch

80
nixbld-etc-nixos/nix-28-networked-derivations.patch Normal file
View File

@ -0,0 +1,80 @@
diff --git a/src/libstore/build/local-derivation-goal.cc b/src/libstore/build/local-derivation-goal.cc
index 4c91fa4fb..e2139d6c6 100644
--- a/src/libstore/build/local-derivation-goal.cc
+++ b/src/libstore/build/local-derivation-goal.cc
@@ -378,6 +378,8 @@ void LocalDerivationGoal::startBuilder()
additionalSandboxProfile = parsedDrv->getStringAttr("__sandboxProfile").value_or("");
#endif
+ networked = parsedDrv->getBoolAttr("__networked");
+
/* Are we doing a chroot build? */
{
auto noChroot = parsedDrv->getBoolAttr("__noChroot");
@@ -395,7 +397,7 @@ void LocalDerivationGoal::startBuilder()
else if (settings.sandboxMode == smDisabled)
useChroot = false;
else if (settings.sandboxMode == smRelaxed)
- useChroot = derivationType.isSandboxed() && !noChroot;
+ useChroot = !networked && derivationType.isSandboxed() && !noChroot;
}
auto & localStore = getLocalStore();
@@ -608,7 +610,7 @@ void LocalDerivationGoal::startBuilder()
"nogroup:x:65534:\n", sandboxGid()));
/* Create /etc/hosts with localhost entry. */
- if (derivationType.isSandboxed())
+ if (!networked && derivationType.isSandboxed())
writeFile(chrootRootDir + "/etc/hosts", "127.0.0.1 localhost\n::1 localhost\n");
/* Make the closure of the inputs available in the chroot,
@@ -799,7 +801,7 @@ void LocalDerivationGoal::startBuilder()
us.
*/
- if (derivationType.isSandboxed())
+ if (!networked && derivationType.isSandboxed())
privateNetwork = true;
userNamespaceSync.create();
@@ -1063,7 +1065,7 @@ void LocalDerivationGoal::initEnv()
to the builder is generally impure, but the output of
fixed-output derivations is by definition pure (since we
already know the cryptographic hash of the output). */
- if (!derivationType.isSandboxed()) {
+ if (networked || !derivationType.isSandboxed()) {
for (auto & i : parsedDrv->getStringsAttr("impureEnvVars").value_or(Strings()))
env[i] = getEnv(i).value_or("");
}
@@ -1677,7 +1679,7 @@ void LocalDerivationGoal::runChild()
/* Fixed-output derivations typically need to access the
network, so give them access to /etc/resolv.conf and so
on. */
- if (!derivationType.isSandboxed()) {
+ if (networked || !derivationType.isSandboxed()) {
// Only use nss functions to resolve hosts and
// services. Don’t use it for anything else that may
// be configured for this system. This limits the
@@ -1921,7 +1923,7 @@ void LocalDerivationGoal::runChild()
sandboxProfile += "(import \"sandbox-defaults.sb\")\n";
- if (!derivationType.isSandboxed())
+ if (networked || !derivationType.isSandboxed())
sandboxProfile += "(import \"sandbox-network.sb\")\n";
/* Add the output paths we'll use at build-time to the chroot */
diff --git a/src/libstore/build/local-derivation-goal.hh b/src/libstore/build/local-derivation-goal.hh
index d456e9cae..0b43a6bd4 100644
--- a/src/libstore/build/local-derivation-goal.hh
+++ b/src/libstore/build/local-derivation-goal.hh
@@ -41,6 +41,8 @@ struct LocalDerivationGoal : public DerivationGoal
Path chrootRootDir;
+ bool networked;
+
/* RAII object to delete the chroot directory. */
std::shared_ptr<AutoDelete> autoDelChroot;