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7bf52f5d1c
Let's allow configuring the debug tty independently of enabling/disabling the debug shell. This allows mkosi to configure the correct tty while leaving enabling/disabling the debug tty to the user.
113 lines
5.3 KiB
Bash
Executable File
113 lines
5.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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# shellcheck disable=SC2235
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set -eux
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set -o pipefail
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# shellcheck source=test/units/generator-utils.sh
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. "$(dirname "$0")/generator-utils.sh"
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GENERATOR_BIN="/usr/lib/systemd/system-generators/systemd-debug-generator"
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OUT_DIR="$(mktemp -d /tmp/debug-generator.XXX)"
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at_exit() {
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rm -frv "${OUT_DIR:?}"
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}
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trap at_exit EXIT
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test -x "${GENERATOR_BIN:?}"
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# Potential FIXME:
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# - debug-generator should gracefully handle duplicated mask/wants
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# - also, handle gracefully empty mask/wants
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ARGS=(
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"systemd.mask=masked-no-suffix"
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"systemd.mask=masked.service"
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"systemd.mask=masked.socket"
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"systemd.wants=wanted-no-suffix"
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"systemd.wants=wanted.service"
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"systemd.wants=wanted.mount"
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"rd.systemd.mask=masked-initrd.service"
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"rd.systemd.wants=wanted-initrd.service"
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)
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# Regular (non-initrd) scenario
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#
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: "debug-shell: regular"
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CMDLINE="ro root=/ ${ARGS[*]} rd.systemd.debug_shell"
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SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
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link_eq "$OUT_DIR/early/masked-no-suffix.service" /dev/null
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link_eq "$OUT_DIR/early/masked.service" /dev/null
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link_eq "$OUT_DIR/early/masked.socket" /dev/null
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link_endswith "$OUT_DIR/early/default.target.wants/wanted-no-suffix.service" /lib/systemd/system/wanted-no-suffix.service
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link_endswith "$OUT_DIR/early/default.target.wants/wanted.service" /lib/systemd/system/wanted.service
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link_endswith "$OUT_DIR/early/default.target.wants/wanted.mount" /lib/systemd/system/wanted.mount
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# Following stuff should be ignored, as it's prefixed with rd.
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test ! -h "$OUT_DIR/early/masked-initrd.service"
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test ! -h "$OUT_DIR/early/default.target.wants/wants-initrd.service"
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test ! -h "$OUT_DIR/early/default.target.wants/debug-shell.service"
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test ! -d "$OUT_DIR/early/initrd.target.wants"
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# Let's re-run the generator with systemd.debug_shell that should be honored
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: "debug-shell: regular + systemd.debug_shell"
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CMDLINE="$CMDLINE systemd.debug_shell"
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SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
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link_endswith "$OUT_DIR/early/default.target.wants/debug-shell.service" /lib/systemd/system/debug-shell.service
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# Same thing, but with custom tty
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: "debug-shell: regular + systemd.debug_shell=/dev/tty666"
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CMDLINE="$CMDLINE systemd.debug_shell=/dev/tty666"
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SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
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link_endswith "$OUT_DIR/early/default.target.wants/debug-shell.service" /lib/systemd/system/debug-shell.service
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grep -F "/dev/tty666" "$OUT_DIR/early/debug-shell.service.d/50-tty.conf"
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# Same thing, but with custom tty using systemd.default_debug_tty
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: "debug-shell: regular + systemd.default_debug_tty=/dev/tty666 systemd.debug_shell=yes"
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CMDLINE="$CMDLINE systemd.default_debug_tty=/dev/tty666 systemd.debug_shell=yes"
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SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
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link_endswith "$OUT_DIR/early/default.target.wants/debug-shell.service" /lib/systemd/system/debug-shell.service
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grep -F "/dev/tty666" "$OUT_DIR/early/debug-shell.service.d/50-tty.conf"
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# Now override the default target via systemd.unit=
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: "debug-shell: regular + systemd.unit="
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CMDLINE="$CMDLINE systemd.unit=my-fancy.target"
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SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
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link_eq "$OUT_DIR/early/masked-no-suffix.service" /dev/null
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link_eq "$OUT_DIR/early/masked.service" /dev/null
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link_eq "$OUT_DIR/early/masked.socket" /dev/null
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link_endswith "$OUT_DIR/early/my-fancy.target.wants/wanted-no-suffix.service" /lib/systemd/system/wanted-no-suffix.service
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link_endswith "$OUT_DIR/early/my-fancy.target.wants/wanted.service" /lib/systemd/system/wanted.service
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link_endswith "$OUT_DIR/early/my-fancy.target.wants/wanted.mount" /lib/systemd/system/wanted.mount
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link_endswith "$OUT_DIR/early/my-fancy.target.wants/debug-shell.service" /lib/systemd/system/debug-shell.service
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test ! -d "$OUT_DIR/early/default.target.wants"
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# Initrd scenario
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: "debug-shell: initrd"
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CMDLINE="ro root=/ ${ARGS[*]} systemd.debug_shell"
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SYSTEMD_IN_INITRD=1 SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
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link_eq "$OUT_DIR/early/masked-initrd.service" /dev/null
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link_endswith "$OUT_DIR/early/initrd.target.wants/wanted-initrd.service" /lib/systemd/system/wanted-initrd.service
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# The non-initrd stuff (i.e. without the rd. suffix) should be ignored in
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# this case
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test ! -h "$OUT_DIR/early/masked-no-suffix.service"
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test ! -h "$OUT_DIR/early/masked.service"
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test ! -h "$OUT_DIR/early/masked.socket"
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test ! -h "$OUT_DIR/early/initrd.target.wants/debug-shell.service"
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test ! -d "$OUT_DIR/early/default.target.wants"
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# Again, but with rd.systemd.debug_shell
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: "debug-shell: initrd + rd.systemd.debug_shell"
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CMDLINE="$CMDLINE rd.systemd.debug_shell"
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SYSTEMD_IN_INITRD=1 SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
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link_endswith "$OUT_DIR/early/initrd.target.wants/debug-shell.service" /lib/systemd/system/debug-shell.service
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# Override the default target
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: "debug-shell: initrd + rd.systemd.unit"
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CMDLINE="$CMDLINE rd.systemd.unit=my-fancy-initrd.target"
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SYSTEMD_IN_INITRD=1 SYSTEMD_PROC_CMDLINE="$CMDLINE" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
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link_eq "$OUT_DIR/early/masked-initrd.service" /dev/null
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link_endswith "$OUT_DIR/early/my-fancy-initrd.target.wants/wanted-initrd.service" /lib/systemd/system/wanted-initrd.service
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test ! -d "$OUT_DIR/early/initrd.target.wants"
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