forked from M-Labs/it-infra
98 lines
3.9 KiB
Diff
98 lines
3.9 KiB
Diff
From e9d0448929a46df1b5923d69989fa3ca4c9e47ba Mon Sep 17 00:00:00 2001
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From: Astro <astro@spaceboyz.net>
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Date: Thu, 5 Nov 2020 17:21:09 +0100
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Subject: [PATCH] networked derivations
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---
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src/libstore/build/derivation-goal.cc | 14 ++++++++------
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src/libstore/build/derivation-goal.hh | 6 ++++++
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2 files changed, 14 insertions(+), 6 deletions(-)
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diff --git a/src/libstore/build/derivation-goal.cc b/src/libstore/build/derivation-goal.cc
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index bf2bad62c..ef4ce8a0b 100644
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--- a/src/libstore/build/derivation-goal.cc
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+++ b/src/libstore/build/derivation-goal.cc
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@@ -1199,6 +1199,8 @@ void DerivationGoal::startBuilder()
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additionalSandboxProfile = parsedDrv->getStringAttr("__sandboxProfile").value_or("");
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#endif
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+ networked = parsedDrv->getBoolAttr("__networked");
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+
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/* Are we doing a chroot build? */
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{
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auto noChroot = parsedDrv->getBoolAttr("__noChroot");
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@@ -1216,7 +1218,7 @@ void DerivationGoal::startBuilder()
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else if (settings.sandboxMode == smDisabled)
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useChroot = false;
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else if (settings.sandboxMode == smRelaxed)
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- useChroot = !(derivationIsImpure(derivationType)) && !noChroot;
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+ useChroot = !allowNetwork() && !(derivationIsImpure(derivationType)) && !noChroot;
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}
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if (worker.store.storeDir != worker.store.realStoreDir) {
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@@ -1430,7 +1432,7 @@ void DerivationGoal::startBuilder()
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"nogroup:x:65534:\n", sandboxGid()));
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/* Create /etc/hosts with localhost entry. */
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- if (!(derivationIsImpure(derivationType)))
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+ if (!allowNetwork() && !(derivationIsImpure(derivationType)))
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writeFile(chrootRootDir + "/etc/hosts", "127.0.0.1 localhost\n::1 localhost\n");
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/* Make the closure of the inputs available in the chroot,
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@@ -1617,7 +1619,7 @@ void DerivationGoal::startBuilder()
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us.
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*/
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- if (!(derivationIsImpure(derivationType)))
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+ if (!allowNetwork() && !(derivationIsImpure(derivationType)))
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privateNetwork = true;
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userNamespaceSync.create();
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@@ -1865,7 +1867,7 @@ void DerivationGoal::initEnv()
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to the builder is generally impure, but the output of
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fixed-output derivations is by definition pure (since we
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already know the cryptographic hash of the output). */
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- if (derivationIsImpure(derivationType)) {
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+ if (allowNetwork() || derivationIsImpure(derivationType)) {
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for (auto & i : parsedDrv->getStringsAttr("impureEnvVars").value_or(Strings()))
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env[i] = getEnv(i).value_or("");
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}
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@@ -2487,7 +2489,7 @@ void DerivationGoal::runChild()
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/* Fixed-output derivations typically need to access the
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network, so give them access to /etc/resolv.conf and so
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on. */
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- if (derivationIsImpure(derivationType)) {
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+ if (allowNetwork() || derivationIsImpure(derivationType)) {
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ss.push_back("/etc/resolv.conf");
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// Only use nss functions to resolve hosts and
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@@ -2728,7 +2730,7 @@ void DerivationGoal::runChild()
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sandboxProfile += "(import \"sandbox-defaults.sb\")\n";
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- if (derivationIsImpure(derivationType))
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+ if (allowNetwork() || derivationIsImpure(derivationType))
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sandboxProfile += "(import \"sandbox-network.sb\")\n";
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/* Add the output paths we'll use at build-time to the chroot */
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diff --git a/src/libstore/build/derivation-goal.hh b/src/libstore/build/derivation-goal.hh
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index 4976207e0..c57238403 100644
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--- a/src/libstore/build/derivation-goal.hh
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+++ b/src/libstore/build/derivation-goal.hh
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@@ -134,6 +134,12 @@ private:
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/* Whether to run the build in a private network namespace. */
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bool privateNetwork = false;
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+ bool networked;
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+ bool allowNetwork()
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+ {
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+ return derivationIsFixed(drv->type()) || networked;
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+ }
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+
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typedef void (DerivationGoal::*GoalState)();
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GoalState state;
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--
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2.29.0
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