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