diff options
Diffstat (limited to 'tests/guix-pack-relocatable.sh')
| -rw-r--r-- | tests/guix-pack-relocatable.sh | 103 |
1 files changed, 63 insertions, 40 deletions
diff --git a/tests/guix-pack-relocatable.sh b/tests/guix-pack-relocatable.sh index 52d7212594..b8d36a02c6 100644 --- a/tests/guix-pack-relocatable.sh +++ b/tests/guix-pack-relocatable.sh @@ -38,78 +38,101 @@ then exit 77 fi -STORE_PARENT="`dirname $NIX_STORE_DIR`" -export STORE_PARENT -if test "$STORE_PARENT" = "/"; then exit 77; fi - -if unshare -mrf sh -c 'mount -t tmpfs none "$STORE_PARENT"' -then - # Test the wrapper that relies on user namespaces. - relocatable_option="-R" -else - case "`uname -m`" in - x86_64|i?86) - # Test the wrapper that falls back to PRoot. - relocatable_option="-RR";; - *) - # XXX: Our 'proot' package currently fails tests on non-Intel - # architectures, so skip this by default. - exit 77;; - esac -fi +# Attempt to run the given command in a namespace where the store is +# invisible. This makes sure the presence of the store does not hide +# problems. +run_without_store () +{ + if unshare -r true # Are user namespaces supported? + then + # Run that relocatable executable in a user namespace where we "erase" + # the store by mounting an empty file system on top of it. That way, + # we exercise the wrapper code that creates the user namespace and + # bind-mounts the store. + unshare -mrf sh -c 'mount -t tmpfs -o ro none "$NIX_STORE_DIR"; '"$*" + else + # Run the relocatable program in the current namespaces. This is a + # weak test because we're going to access store items from the host + # store. + $* + fi +} test_directory="`mktemp -d`" export test_directory trap 'chmod -Rf +w "$test_directory"; rm -rf "$test_directory"' EXIT -export relocatable_option -tarball="`guix pack $relocatable_option -S /Bin=bin sed`" -(cd "$test_directory"; tar xvf "$tarball") - -if unshare -r true # Are user namespaces supported? +if unshare -r true then - # Run that relocatable 'sed' in a user namespace where we "erase" the store by - # mounting an empty file system on top of it. That way, we exercise the - # wrapper code that creates the user namespace and bind-mounts the store. - unshare -mrf sh -c 'mount -t tmpfs none "$STORE_PARENT"; echo "$STORE_PARENT"/*; "$test_directory/Bin/sed" --version > "$test_directory/output"' + # Test the 'userns' execution engine. + tarball="`guix pack -R -S /Bin=bin sed`" + (cd "$test_directory"; tar xvf "$tarball") + + run_without_store "$test_directory/Bin/sed" --version > "$test_directory/output" + grep 'GNU sed' "$test_directory/output" + + # Same with an explicit engine. + run_without_store GUIX_EXECUTION_ENGINE="userns" \ + "$test_directory/Bin/sed" --version > "$test_directory/output" + grep 'GNU sed' "$test_directory/output" # Check whether the exit code is preserved. - if unshare -mrf sh -c 'mount -t tmpfs none "$STORE_PARENT"; echo "$STORE_PARENT"/*; "$test_directory/Bin/sed" --does-not-exist'; + if run_without_store "$test_directory/Bin/sed" --does-not-exist; then false; else true; fi + + chmod -Rf +w "$test_directory"; rm -rf "$test_directory"/* else - # Run the relocatable 'sed' in the current namespaces. This is a weak - # test because we're going to access store items from the host store. - "$test_directory/Bin/sed" --version > "$test_directory/output" + echo "'userns' execution tests skipped" >&2 fi -grep 'GNU sed' "$test_directory/output" -chmod -Rf +w "$test_directory"; rm -rf "$test_directory"/* case "`uname -m`" in x86_64|i?86) # Try '-RR' and PRoot. tarball="`guix pack -RR -S /Bin=bin sed`" tar tvf "$tarball" | grep /bin/proot - (cd "$test_directory"; tar xvf "$tarball") - GUIX_EXECUTION_ENGINE="proot" - export GUIX_EXECUTION_ENGINE + (cd "$test_directory"; tar xf "$tarball") + run_without_store GUIX_EXECUTION_ENGINE="proot" \ "$test_directory/Bin/sed" --version > "$test_directory/output" grep 'GNU sed' "$test_directory/output" # Now with fakechroot. - GUIX_EXECUTION_ENGINE="fakechroot" + run_without_store GUIX_EXECUTION_ENGINE="fakechroot" \ "$test_directory/Bin/sed" --version > "$test_directory/output" grep 'GNU sed' "$test_directory/output" chmod -Rf +w "$test_directory"; rm -rf "$test_directory"/* + + if unshare -r true + then + # Check whether the store contains everything it should. Check + # once when erasing $STORE_PARENT ("/gnu") and once when erasing + # $NIX_STORE_DIR ("/gnu/store"). + tarball="`guix pack -RR -S /bin=bin bash-minimal`" + (cd "$test_directory"; tar xf "$tarball") + + STORE_PARENT="`dirname $NIX_STORE_DIR`" + export STORE_PARENT + + for engine in userns proot fakechroot + do + for i in $(guix gc -R $(guix build bash-minimal | grep -v -e '-doc$')) + do + unshare -mrf sh -c "mount -t tmpfs none \"$NIX_STORE_DIR\"; GUIX_EXECUTION_ENGINE=$engine $test_directory/bin/sh -c 'echo $NIX_STORE_DIR/*'" | grep $(basename $i) + unshare -mrf sh -c "mount -t tmpfs none \"$STORE_PARENT\"; GUIX_EXECUTION_ENGINE=$engine $test_directory/bin/sh -c 'echo $NIX_STORE_DIR/*'" | grep $(basename $i) + done + done + + chmod -Rf +w "$test_directory"; rm -rf "$test_directory"/* + fi ;; *) - echo "skipping PRoot test" >&2 + echo "skipping PRoot and Fakechroot tests" >&2 ;; esac # Ensure '-R' works with outputs other than "out". tarball="`guix pack -R -S /share=share groff:doc`" -(cd "$test_directory"; tar xvf "$tarball") +(cd "$test_directory"; tar xf "$tarball") test -d "$test_directory/share/doc/groff/html" # Ensure '-R' applies to propagated inputs. Failing to do that, it would fail |