nix/tests/binary-cache.sh
2020-12-03 23:22:22 +01:00

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source common.sh
clearStore
clearCache
# Create the binary cache.
outPath=$(nix-build dependencies.nix --no-out-link)
nix copy --to file://$cacheDir $outPath
basicTests() {
# By default, a binary cache doesn't support "nix-env -qas", but does
# support installation.
clearStore
clearCacheCache
nix-env --substituters "file://$cacheDir" -f dependencies.nix -qas \* | grep -- "---"
nix-store --substituters "file://$cacheDir" --no-require-sigs -r $outPath
[ -x $outPath/program ]
# But with the right configuration, "nix-env -qas" should also work.
clearStore
clearCacheCache
echo "WantMassQuery: 1" >> $cacheDir/nix-cache-info
nix-env --substituters "file://$cacheDir" -f dependencies.nix -qas \* | grep -- "--S"
nix-env --substituters "file://$cacheDir" -f dependencies.nix -qas \* | grep -- "--S"
x=$(nix-env -f dependencies.nix -qas \* --prebuilt-only)
[ -z "$x" ]
nix-store --substituters "file://$cacheDir" --no-require-sigs -r $outPath
nix-store --check-validity $outPath
nix-store -qR $outPath | grep input-2
echo "WantMassQuery: 0" >> $cacheDir/nix-cache-info
}
# Test LocalBinaryCacheStore.
basicTests
# Test HttpBinaryCacheStore.
export _NIX_FORCE_HTTP=1
basicTests
# Test whether Nix notices if the NAR doesn't match the hash in the NAR info.
clearStore
nar=$(ls $cacheDir/nar/*.nar.xz | head -n1)
mv $nar $nar.good
mkdir -p $TEST_ROOT/empty
nix-store --dump $TEST_ROOT/empty | xz > $nar
nix-build --substituters "file://$cacheDir" --no-require-sigs dependencies.nix -o $TEST_ROOT/result 2>&1 | tee $TEST_ROOT/log
grep -q "hash mismatch" $TEST_ROOT/log
mv $nar.good $nar
# Test whether this unsigned cache is rejected if the user requires signed caches.
clearStore
clearCacheCache
if nix-store --substituters "file://$cacheDir" -r $outPath; then
echo "unsigned binary cache incorrectly accepted"
exit 1
fi
# Test whether fallback works if a NAR has disappeared. This does not require --fallback.
clearStore
mv $cacheDir/nar $cacheDir/nar2
nix-build --substituters "file://$cacheDir" --no-require-sigs dependencies.nix -o $TEST_ROOT/result
mv $cacheDir/nar2 $cacheDir/nar
# Test whether fallback works if a NAR is corrupted. This does require --fallback.
clearStore
mv $cacheDir/nar $cacheDir/nar2
mkdir $cacheDir/nar
for i in $(cd $cacheDir/nar2 && echo *); do touch $cacheDir/nar/$i; done
(! nix-build --substituters "file://$cacheDir" --no-require-sigs dependencies.nix -o $TEST_ROOT/result)
nix-build --substituters "file://$cacheDir" --no-require-sigs dependencies.nix -o $TEST_ROOT/result --fallback
rm -rf $cacheDir/nar
mv $cacheDir/nar2 $cacheDir/nar
# Test whether building works if the binary cache contains an
# incomplete closure.
clearStore
rm -v $(grep -l "StorePath:.*dependencies-input-2" $cacheDir/*.narinfo)
nix-build --substituters "file://$cacheDir" --no-require-sigs dependencies.nix -o $TEST_ROOT/result 2>&1 | tee $TEST_ROOT/log
grep -q "copying path.*input-0" $TEST_ROOT/log
grep -q "copying path.*input-2" $TEST_ROOT/log
grep -q "copying path.*top" $TEST_ROOT/log
# Idem, but without cached .narinfo.
clearStore
clearCacheCache
nix-build --substituters "file://$cacheDir" --no-require-sigs dependencies.nix -o $TEST_ROOT/result 2>&1 | tee $TEST_ROOT/log
grep -q "don't know how to build" $TEST_ROOT/log
grep -q "building.*input-1" $TEST_ROOT/log
grep -q "building.*input-2" $TEST_ROOT/log
grep -q "copying path.*input-0" $TEST_ROOT/log
grep -q "copying path.*top" $TEST_ROOT/log
if [ -n "$HAVE_SODIUM" ]; then
# Create a signed binary cache.
clearCache
clearCacheCache
declare -a res=($(nix-store --generate-binary-cache-key test.nixos.org-1 $TEST_ROOT/sk1 $TEST_ROOT/pk1 ))
publicKey="$(cat $TEST_ROOT/pk1)"
res=($(nix-store --generate-binary-cache-key test.nixos.org-1 $TEST_ROOT/sk2 $TEST_ROOT/pk2))
badKey="$(cat $TEST_ROOT/pk2)"
res=($(nix-store --generate-binary-cache-key foo.nixos.org-1 $TEST_ROOT/sk3 $TEST_ROOT/pk3))
otherKey="$(cat $TEST_ROOT/pk3)"
_NIX_FORCE_HTTP= nix copy --to file://$cacheDir?secret-key=$TEST_ROOT/sk1 $outPath
# Downloading should fail if we don't provide a key.
clearStore
clearCacheCache
(! nix-store -r $outPath --substituters "file://$cacheDir")
# And it should fail if we provide an incorrect key.
clearStore
clearCacheCache
(! nix-store -r $outPath --substituters "file://$cacheDir" --trusted-public-keys "$badKey")
# It should succeed if we provide the correct key.
nix-store -r $outPath --substituters "file://$cacheDir" --trusted-public-keys "$otherKey $publicKey"
# It should fail if we corrupt the .narinfo.
clearStore
cacheDir2=$TEST_ROOT/binary-cache-2
rm -rf $cacheDir2
cp -r $cacheDir $cacheDir2
for i in $cacheDir2/*.narinfo; do
grep -v References $i > $i.tmp
mv $i.tmp $i
done
clearCacheCache
(! nix-store -r $outPath --substituters "file://$cacheDir2" --trusted-public-keys "$publicKey")
# If we provide a bad and a good binary cache, it should succeed.
nix-store -r $outPath --substituters "file://$cacheDir2 file://$cacheDir" --trusted-public-keys "$publicKey"
fi # HAVE_LIBSODIUM
unset _NIX_FORCE_HTTP
# Test 'nix verify --all' on a binary cache.
nix store verify -vvvvv --all --store file://$cacheDir --no-trust
# Test local NAR caching.
narCache=$TEST_ROOT/nar-cache
rm -rf $narCache
mkdir $narCache
[[ $(nix store cat --store "file://$cacheDir?local-nar-cache=$narCache" $outPath/foobar) = FOOBAR ]]
rm -rfv "$cacheDir/nar"
[[ $(nix store cat --store "file://$cacheDir?local-nar-cache=$narCache" $outPath/foobar) = FOOBAR ]]
(! nix store cat --store file://$cacheDir $outPath/foobar)
# Test NAR listing generation.
clearCache
outPath=$(nix-build --no-out-link -E '
with import ./config.nix;
mkDerivation {
name = "nar-listing";
buildCommand = "mkdir $out; echo foo > $out/bar; ln -s xyzzy $out/link";
}
')
nix copy --to file://$cacheDir?write-nar-listing=1 $outPath
diff -u \
<(jq -S < $cacheDir/$(basename $outPath | cut -c1-32).ls) \
<(echo '{"version":1,"root":{"type":"directory","entries":{"bar":{"type":"regular","size":4,"narOffset":232},"link":{"type":"symlink","target":"xyzzy"}}}}' | jq -S)
# Test debug info index generation.
clearCache
outPath=$(nix-build --no-out-link -E '
with import ./config.nix;
mkDerivation {
name = "debug-info";
buildCommand = "mkdir -p $out/lib/debug/.build-id/02; echo foo > $out/lib/debug/.build-id/02/623eda209c26a59b1a8638ff7752f6b945c26b.debug";
}
')
nix copy --to "file://$cacheDir?index-debug-info=1&compression=none" $outPath
diff -u \
<(cat $cacheDir/debuginfo/02623eda209c26a59b1a8638ff7752f6b945c26b.debug | jq -S) \
<(echo '{"archive":"../nar/100vxs724qr46phz8m24iswmg9p3785hsyagz0kchf6q6gf06sw6.nar","member":"lib/debug/.build-id/02/623eda209c26a59b1a8638ff7752f6b945c26b.debug"}' | jq -S)
# Test against issue https://github.com/NixOS/nix/issues/3964
#
expr='
with import ./config.nix;
mkDerivation {
name = "multi-output";
buildCommand = "mkdir -p $out; echo foo > $doc; echo $doc > $out/docref";
outputs = ["out" "doc"];
}
'
outPath=$(nix-build --no-out-link -E "$expr")
docPath=$(nix-store -q --references $outPath)
# $ nix-store -q --tree $outPath
# ...-multi-output
# +---...-multi-output-doc
nix copy --to "file://$cacheDir" $outPath
hashpart() {
basename "$1" | cut -c1-32
}
# break the closure of out by removing doc
rm $cacheDir/$(hashpart $docPath).narinfo
nix-store --delete $outPath $docPath
# -vvv is the level that logs during the loop
timeout 60 nix-build --no-out-link -E "$expr" --option substituters "file://$cacheDir" \
--option trusted-binary-caches "file://$cacheDir" --no-require-sigs