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c77dad706b
This commit adds definitions to build the minimal_0 and minimal_1 images with mkosi and includes them into the system image. We also move the building of the various app-xxx and similar images that are extremely minimal into the tests itself by moving the related logic from install_verity_minimal() into a new function install_extension_images() in util.sh. Because the mkosi /usr is read-only, we now place the extension images in /tmp instead of /usr/share. Co-authored-by: Richard Maw <richard.maw@codethink.co.uk> Co-authored-by: sam-leonard-ct <sam.leonard@codethink.co.uk>
364 lines
10 KiB
Bash
Executable File
364 lines
10 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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# Utility functions for shell tests
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# shellcheck disable=SC2034
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[[ -e /var/tmp/.systemd_reboot_count ]] && REBOOT_COUNT="$(</var/tmp/.systemd_reboot_count)" || REBOOT_COUNT=0
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assert_true() {(
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set +ex
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local rc
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"$@"
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rc=$?
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if [[ $rc -ne 0 ]]; then
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echo "FAIL: command '$*' failed with exit code $rc" >&2
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exit 1
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fi
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)}
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assert_eq() {(
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set +ex
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if [[ "${1?}" != "${2?}" ]]; then
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echo "FAIL: expected: '$2' actual: '$1'" >&2
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exit 1
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fi
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)}
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assert_le() {(
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set +ex
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if [[ "${1:?}" -gt "${2:?}" ]]; then
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echo "FAIL: '$1' > '$2'" >&2
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exit 1
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fi
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)}
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assert_in() {(
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set +ex
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if ! [[ "${2?}" =~ ${1?} ]]; then
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echo "FAIL: '$1' not found in:" >&2
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echo "$2" >&2
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exit 1
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fi
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)}
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assert_not_in() {(
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set +ex
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if [[ "${2?}" =~ ${1?} ]]; then
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echo "FAIL: '$1' found in:" >&2
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echo "$2" >&2
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exit 1
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fi
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)}
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assert_rc() {(
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set +ex
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local rc exp="${1?}"
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shift
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"$@"
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rc=$?
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assert_eq "$rc" "$exp"
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)}
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assert_not_reached() {
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echo >&2 "Code should not be reached at ${BASH_SOURCE[1]}:${BASH_LINENO[1]}, function ${FUNCNAME[1]}()"
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exit 1
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}
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run_and_grep() {(
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set +ex
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local expression
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local log ec
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local exp_ec=0
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# Invert the grep condition - i.e. check if the expression is _not_ in command's output
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if [[ "${1:?}" == "-n" ]]; then
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exp_ec=1
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shift
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fi
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expression="${1:?}"
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shift
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if [[ $# -eq 0 ]]; then
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echo >&2 "FAIL: Not enough arguments for ${FUNCNAME[0]}()"
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return 1
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fi
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log="$(mktemp)"
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if ! "$@" |& tee "${log:?}"; then
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echo >&2 "FAIL: Command '$*' failed"
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return 1
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fi
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grep -qE "$expression" "$log" && ec=0 || ec=$?
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if [[ "$exp_ec" -eq 0 && "$ec" -ne 0 ]]; then
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echo >&2 "FAIL: Expression '$expression' not found in the output of '$*'"
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return 1
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elif [[ "$exp_ec" -ne 0 && "$ec" -eq 0 ]]; then
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echo >&2 "FAIL: Expression '$expression' found in the output of '$*'"
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return 1
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fi
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rm -f "$log"
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)}
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get_cgroup_hierarchy() {
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case "$(stat -c '%T' -f /sys/fs/cgroup)" in
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cgroup2fs)
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echo "unified"
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;;
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tmpfs)
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if [[ -d /sys/fs/cgroup/unified && "$(stat -c '%T' -f /sys/fs/cgroup/unified)" == cgroup2fs ]]; then
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echo "hybrid"
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else
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echo "legacy"
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fi
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;;
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*)
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echo >&2 "Failed to determine host's cgroup hierarchy"
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exit 1
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esac
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}
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runas() {
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local userid="${1:?}"
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shift
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XDG_RUNTIME_DIR=/run/user/"$(id -u "$userid")" setpriv --reuid="$userid" --init-groups "$@"
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}
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coverage_create_nspawn_dropin() {
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# If we're collecting coverage, bind mount the $BUILD_DIR into the nspawn
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# container so gcov can update the counters. This is mostly for standalone
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# containers, as machinectl stuff is handled by overriding the systemd-nspawn@.service
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# (see test/test-functions:install_systemd())
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local root="${1:?}"
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local container
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if [[ -z "${COVERAGE_BUILD_DIR:-}" ]]; then
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return 0
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fi
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container="$(basename "$root")"
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mkdir -p "/run/systemd/nspawn"
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echo -ne "[Files]\nBind=$COVERAGE_BUILD_DIR\n" >"/run/systemd/nspawn/${container:?}.nspawn"
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}
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create_dummy_container() {
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local root="${1:?}"
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if [[ ! -d /testsuite-13-container-template ]]; then
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echo >&2 "Missing container template, probably not running in TEST-13-NSPAWN?"
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exit 1
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fi
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mkdir -p "$root"
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cp -a /testsuite-13-container-template/* "$root"
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coverage_create_nspawn_dropin "$root"
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}
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# Bump the reboot counter and call systemctl with the given arguments
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systemctl_final() {
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local counter
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if [[ $# -eq 0 ]]; then
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echo >&2 "Missing arguments"
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exit 1
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fi
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[[ -e /var/tmp/.systemd_reboot_count ]] && counter="$(</var/tmp/.systemd_reboot_count)" || counter=0
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echo "$((counter + 1))" >/var/tmp/.systemd_reboot_count
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systemctl "$@"
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}
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cgroupfs_supports_user_xattrs() {
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local xattr
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xattr="user.supported_$RANDOM"
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# shellcheck disable=SC2064
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trap "setfattr --remove=$xattr /sys/fs/cgroup || :" RETURN
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setfattr --name="$xattr" --value=254 /sys/fs/cgroup
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[[ "$(getfattr --name="$xattr" --absolute-names --only-values /sys/fs/cgroup)" -eq 254 ]]
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}
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tpm_has_pcr() {
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local algorithm="${1:?}"
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local pcr="${2:?}"
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[[ -f "/sys/class/tpm/tpm0/pcr-$algorithm/$pcr" ]]
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}
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openssl_supports_kdf() {
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local kdf="${1:?}"
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# The arguments will need to be adjusted to make this work for other KDFs than SSKDF,
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# but let's do that when/if the need arises
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openssl kdf -keylen 16 -kdfopt digest:SHA2-256 -kdfopt key:foo -out /dev/null "$kdf"
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}
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kernel_supports_lsm() {
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local lsm="${1:?}"
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local items item
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if [[ ! -e /sys/kernel/security/lsm ]]; then
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echo "/sys/kernel/security/lsm doesn't exist, assuming $lsm is not supported"
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return 1
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fi
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mapfile -t -d, items </sys/kernel/security/lsm
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for item in "${items[@]}"; do
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if [[ "$item" == "$lsm" ]]; then
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return 0
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fi
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done
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return 1
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}
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MOUNTED_USR_OVERLAY=false
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maybe_mount_usr_overlay() {
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if [[ ! -w /usr ]]; then
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mkdir -p /tmp/usr-overlay/{upperdir,workdir}
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mount -t overlay -o lowerdir=/usr,upperdir=/tmp/usr-overlay/upperdir,workdir=/tmp/usr-overlay/workdir overlay /usr
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MOUNTED_USR_OVERLAY=true
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fi
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}
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maybe_umount_usr_overlay() {
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if "$MOUNTED_USR_OVERLAY"; then
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umount -l /usr
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fi
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}
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install_extension_images() {
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local os_release
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os_release="$(test -e /etc/os-release && echo /etc/os-release || echo /usr/lib/os-release)"
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# Rolling distros like Arch do not set VERSION_ID
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local version_id=""
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if grep -q "^VERSION_ID=" "$os_release"; then
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version_id="$(grep "^VERSION_ID=" "$os_release")"
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fi
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local initdir="/var/tmp/app0"
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mkdir -p "$initdir/usr/lib/extension-release.d" "$initdir/usr/lib/systemd/system" "$initdir/opt"
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grep "^ID=" "$os_release" >"$initdir/usr/lib/extension-release.d/extension-release.app0"
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echo "$version_id" >>"$initdir/usr/lib/extension-release.d/extension-release.app0"
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(
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echo "$version_id"
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echo "SYSEXT_IMAGE_ID=app"
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) >>"$initdir/usr/lib/extension-release.d/extension-release.app0"
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cat >"$initdir/usr/lib/systemd/system/app0.service" <<EOF
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[Service]
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Type=oneshot
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RemainAfterExit=yes
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ExecStart=/opt/script0.sh
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TemporaryFileSystem=/var/lib
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StateDirectory=app0
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RuntimeDirectory=app0
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EOF
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cat >"$initdir/opt/script0.sh" <<EOF
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#!/bin/bash
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set -e
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test -e /usr/lib/os-release
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echo bar >\${STATE_DIRECTORY}/foo
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cat /usr/lib/extension-release.d/extension-release.app0
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EOF
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chmod +x "$initdir/opt/script0.sh"
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echo MARKER=1 >"$initdir/usr/lib/systemd/system/some_file"
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mksquashfs "$initdir" /tmp/app0.raw -noappend
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initdir="/var/tmp/conf0"
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mkdir -p "$initdir/etc/extension-release.d" "$initdir/etc/systemd/system" "$initdir/opt"
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grep "^ID=" "$os_release" >"$initdir/etc/extension-release.d/extension-release.conf0"
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echo "$version_id" >>"$initdir/etc/extension-release.d/extension-release.conf0"
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(
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echo "$version_id"
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echo "CONFEXT_IMAGE_ID=app"
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) >>"$initdir/etc/extension-release.d/extension-release.conf0"
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echo MARKER_1 >"$initdir/etc/systemd/system/some_file"
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mksquashfs "$initdir" /tmp/conf0.raw -noappend
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initdir="/var/tmp/app1"
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mkdir -p "$initdir/usr/lib/extension-release.d" "$initdir/usr/lib/systemd/system" "$initdir/opt"
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grep "^ID=" "$os_release" >"$initdir/usr/lib/extension-release.d/extension-release.app2"
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(
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echo "$version_id"
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echo "SYSEXT_SCOPE=portable"
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echo "SYSEXT_IMAGE_ID=app"
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echo "SYSEXT_IMAGE_VERSION=1"
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echo "PORTABLE_PREFIXES=app1"
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) >>"$initdir/usr/lib/extension-release.d/extension-release.app2"
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setfattr -n user.extension-release.strict -v false "$initdir/usr/lib/extension-release.d/extension-release.app2"
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cat >"$initdir/usr/lib/systemd/system/app1.service" <<EOF
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[Service]
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Type=oneshot
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RemainAfterExit=yes
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ExecStart=/opt/script1.sh
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StateDirectory=app1
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RuntimeDirectory=app1
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EOF
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cat >"$initdir/opt/script1.sh" <<EOF
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#!/bin/bash
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set -e
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test -e /usr/lib/os-release
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echo baz >\${STATE_DIRECTORY}/foo
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cat /usr/lib/extension-release.d/extension-release.app2
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EOF
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chmod +x "$initdir/opt/script1.sh"
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echo MARKER=1 >"$initdir/usr/lib/systemd/system/other_file"
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mksquashfs "$initdir" /tmp/app1.raw -noappend
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initdir="/var/tmp/app-nodistro"
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mkdir -p "$initdir/usr/lib/extension-release.d" "$initdir/usr/lib/systemd/system"
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(
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echo "ID=_any"
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echo "ARCHITECTURE=_any"
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) >"$initdir/usr/lib/extension-release.d/extension-release.app-nodistro"
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echo MARKER=1 >"$initdir/usr/lib/systemd/system/some_file"
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mksquashfs "$initdir" /tmp/app-nodistro.raw -noappend
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initdir="/var/tmp/service-scoped-test"
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mkdir -p "$initdir/etc/extension-release.d" "$initdir/etc/systemd/system"
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(
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echo "ID=_any"
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echo "ARCHITECTURE=_any"
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) >"$initdir/etc/extension-release.d/extension-release.service-scoped-test"
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echo MARKER_CONFEXT_123 >"$initdir/etc/systemd/system/some_file"
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mksquashfs "$initdir" /etc/service-scoped-test.raw -noappend
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# We need to create a dedicated sysext image to test the reload mechanism. If we share an image to install the
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# 'foo.service' it will be loaded from another test run, which will impact the targeted test.
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initdir="/var/tmp/app-reload"
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mkdir -p "$initdir/usr/lib/extension-release.d" "$initdir/usr/lib/systemd/system"
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(
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echo "ID=_any"
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echo "ARCHITECTURE=_any"
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echo "EXTENSION_RELOAD_MANAGER=1"
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) >"$initdir/usr/lib/extension-release.d/extension-release.app-reload"
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mkdir -p "$initdir/usr/lib/systemd/system/multi-user.target.d"
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cat >"$initdir/usr/lib/systemd/system/foo.service" <<EOF
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[Service]
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Type=oneshot
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RemainAfterExit=yes
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ExecStart=echo foo
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[Install]
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WantedBy=multi-user.target
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EOF
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echo -e "[Unit]\nUpholds=foo.service" >"$initdir/usr/lib/systemd/system/multi-user.target.d/10-foo-service.conf"
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mksquashfs "$initdir" /tmp/app-reload.raw -noappend
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}
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