Adding upstream version 241.upstream/241upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 258 insertions, 0 deletions

diff --git a/test/TEST-13-NSPAWN-SMOKE/Makefile b/test/TEST-13-NSPAWN-SMOKE/Makefile
new file mode 100644
index 0000000..e5e3350
--- /dev/null
+++ b/test/TEST-13-NSPAWN-SMOKE/Makefile
@@ -0,0 +1,10 @@
+BUILD_DIR=$(shell ../../tools/find-build-dir.sh)
+
+all setup run:
+	@basedir=../.. TEST_BASE_DIR=../ BUILD_DIR=$(BUILD_DIR) ./test.sh --$@
+
+clean clean-again:
+	@basedir=../.. TEST_BASE_DIR=../ ./test.sh --clean
+	@rm -f has-overflow
+
+.PHONY: all setup run clean clean-again
diff --git a/test/TEST-13-NSPAWN-SMOKE/create-busybox-container b/test/TEST-13-NSPAWN-SMOKE/create-busybox-container
new file mode 100755
index 0000000..868dfd8
--- /dev/null
+++ b/test/TEST-13-NSPAWN-SMOKE/create-busybox-container
@@ -0,0 +1,53 @@
+#!/bin/bash
+
+set -e
+set -u
+set -o pipefail
+
+root="${1:?Usage $0 container-root}"
+mkdir -p "$root"
+mkdir "$root/bin"
+cp $(type -P busybox) "$root/bin"
+
+mkdir -p "$root/usr/lib"
+touch "$root/usr/lib/os-release"
+
+ln -s busybox "$root/bin/sh"
+ln -s busybox "$root/bin/cat"
+ln -s busybox "$root/bin/tr"
+ln -s busybox "$root/bin/ps"
+ln -s busybox "$root/bin/ip"
+
+mkdir -p "$root/sbin"
+cat <<'EOF' >"$root/sbin/init"
+#!/bin/sh
+
+printf "ps aufx:\n"
+ps aufx
+
+printf "/proc/1/cmdline:\n"
+printf "%s\n\n" "$(tr '\0' ' ' </proc/1/cmdline)"
+
+printf "/proc/1/environ:\n"
+printf "%s\n\n" "$(tr '\0' '\n' </proc/1/environ)"
+
+printf "/proc/1/mountinfo:\n"
+cat /proc/self/mountinfo
+printf "\n"
+
+printf "/proc/1/cgroup:\n"
+printf "%s\n\n" "$(cat /proc/1/cgroup)"
+
+printf "/proc/1/uid_map:\n"
+printf "%s\n\n" "$(cat /proc/1/uid_map)"
+
+printf "/proc/1/setgroups:\n"
+printf "%s\n\n" "$(cat /proc/1/setgroups)"
+
+printf "/proc/1/gid_map:\n"
+printf "%s\n\n" "$(cat /proc/1/gid_map)"
+
+printf "ip link:\n"
+ip link
+EOF
+chmod +x "$root/sbin/init"
diff --git a/test/TEST-13-NSPAWN-SMOKE/test.sh b/test/TEST-13-NSPAWN-SMOKE/test.sh
new file mode 100755
index 0000000..774b7cb
--- /dev/null
+++ b/test/TEST-13-NSPAWN-SMOKE/test.sh
@@ -0,0 +1,195 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+set -e
+TEST_DESCRIPTION="systemd-nspawn smoke test"
+TEST_NO_NSPAWN=1
+
+. $TEST_BASE_DIR/test-functions
+
+test_setup() {
+    create_empty_image
+    mkdir -p $TESTDIR/root
+    mount ${LOOPDEV}p1 $TESTDIR/root
+
+    # Create what will eventually be our root filesystem onto an overlay
+    (
+        LOG_LEVEL=5
+        eval $(udevadm info --export --query=env --name=${LOOPDEV}p2)
+
+        setup_basic_environment
+        dracut_install busybox chmod rmdir unshare ip sysctl
+
+        # mask some services that we do not want to run in these tests
+        ln -fs /dev/null $initdir/etc/systemd/system/systemd-hwdb-update.service
+        ln -fs /dev/null $initdir/etc/systemd/system/systemd-journal-catalog-update.service
+        ln -fs /dev/null $initdir/etc/systemd/system/systemd-networkd.service
+        ln -fs /dev/null $initdir/etc/systemd/system/systemd-networkd.socket
+        ln -fs /dev/null $initdir/etc/systemd/system/systemd-resolved.service
+        ln -fs /dev/null $initdir/etc/systemd/system/systemd-machined.service
+
+        cp create-busybox-container $initdir/
+
+        ./create-busybox-container $initdir/nc-container
+        initdir="$initdir/nc-container" dracut_install nc ip
+
+        # setup the testsuite service
+        cat >$initdir/etc/systemd/system/testsuite.service <<EOF
+[Unit]
+Description=Testsuite service
+
+[Service]
+ExecStart=/test-nspawn.sh
+Type=oneshot
+StandardOutput=tty
+StandardError=tty
+EOF
+
+        cat >$initdir/test-nspawn.sh <<'EOF'
+#!/bin/bash
+set -x
+set -e
+set -u
+set -o pipefail
+
+export SYSTEMD_LOG_LEVEL=debug
+
+# check cgroup-v2
+is_v2_supported=no
+mkdir -p /tmp/cgroup2
+if mount -t cgroup2 cgroup2 /tmp/cgroup2; then
+    is_v2_supported=yes
+    umount /tmp/cgroup2
+fi
+rmdir /tmp/cgroup2
+
+# check cgroup namespaces
+is_cgns_supported=no
+if [[ -f /proc/1/ns/cgroup ]]; then
+    is_cgns_supported=yes
+fi
+
+is_user_ns_supported=no
+# On some systems (e.g. CentOS 7) the default limit for user namespaces
+# is set to 0, which causes the following unshare syscall to fail, even
+# with enabled user namespaces support. By setting this value explicitly
+# we can ensure the user namespaces support to be detected correctly.
+sysctl -w user.max_user_namespaces=10000
+if unshare -U sh -c :; then
+    is_user_ns_supported=yes
+fi
+
+function check_bind_tmp_path {
+    # https://github.com/systemd/systemd/issues/4789
+    local _root="/var/lib/machines/bind-tmp-path"
+    /create-busybox-container "$_root"
+    >/tmp/bind
+    systemd-nspawn --register=no -D "$_root" --bind=/tmp/bind /bin/sh -c 'test -e /tmp/bind'
+}
+
+function check_notification_socket {
+    # https://github.com/systemd/systemd/issues/4944
+    local _cmd='echo a | $(busybox which nc) -U -u -w 1 /run/systemd/nspawn/notify'
+    systemd-nspawn --register=no -D /nc-container /bin/sh -x -c "$_cmd"
+    systemd-nspawn --register=no -D /nc-container -U /bin/sh -x -c "$_cmd"
+}
+
+function run {
+    if [[ "$1" = "yes" && "$is_v2_supported" = "no" ]]; then
+        printf "Unified cgroup hierarchy is not supported. Skipping.\n" >&2
+        return 0
+    fi
+    if [[ "$2" = "yes" && "$is_cgns_supported" = "no" ]];  then
+        printf "Cgroup namespaces are not supported. Skipping.\n" >&2
+        return 0
+    fi
+
+    local _root="/var/lib/machines/unified-$1-cgns-$2-api-vfs-writable-$3"
+    /create-busybox-container "$_root"
+    UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" -b
+    UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" --private-network -b
+
+    if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" -U -b; then
+       [[ "$is_user_ns_supported" = "yes" && "$3" = "network" ]] && return 1
+    else
+       [[ "$is_user_ns_supported" = "no" && "$3" = "network" ]] && return 1
+    fi
+
+    if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" --private-network -U -b; then
+       [[ "$is_user_ns_supported" = "yes" && "$3" = "yes" ]] && return 1
+    else
+       [[ "$is_user_ns_supported" = "no" && "$3" = "yes" ]] && return 1
+    fi
+
+    local _netns_opt="--network-namespace-path=/proc/self/ns/net"
+
+    # --network-namespace-path and network-related options cannot be used together
+    if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-interface=lo -b; then
+       return 1
+    fi
+
+    if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-macvlan=lo -b; then
+       return 1
+    fi
+
+    if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-ipvlan=lo -b; then
+       return 1
+    fi
+
+    if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-veth -b; then
+       return 1
+    fi
+
+    if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-veth-extra=lo -b; then
+       return 1
+    fi
+
+    if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-bridge=lo -b; then
+       return 1
+    fi
+
+    if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-zone=zone -b; then
+       return 1
+    fi
+
+    if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --private-network -b; then
+       return 1
+    fi
+
+    # test --network-namespace-path works with a network namespace created by "ip netns"
+    ip netns add nspawn_test
+    _netns_opt="--network-namespace-path=/run/netns/nspawn_test"
+    UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" /bin/ip a | grep -v -E '^1: lo.*UP'
+    local r=$?
+    ip netns del nspawn_test
+
+    if [ $r -ne 0 ]; then
+       return 1
+    fi
+
+    return 0
+}
+
+check_bind_tmp_path
+
+check_notification_socket
+
+for api_vfs_writable in yes no network; do
+    run no no $api_vfs_writable
+    run yes no $api_vfs_writable
+    run no yes $api_vfs_writable
+    run yes yes $api_vfs_writable
+done
+
+touch /testok
+EOF
+
+        chmod 0755 $initdir/test-nspawn.sh
+        setup_testsuite
+    ) || return 1
+
+    ddebug "umount $TESTDIR/root"
+    umount $TESTDIR/root
+}
+
+do_test "$@"