TEST-81-GENERATORS: add test cases for systemd.getty_auto=console and friends

2026-04-14 00:14:32 +09:00 · 2025-07-19 02:10:15 +09:00
parent 3a883e89bc
commit 36c3862789
1 changed files with 139 additions and 20 deletions
--- a/test/units/TEST-81-GENERATORS.getty-generator.sh
+++ b/test/units/TEST-81-GENERATORS.getty-generator.sh
@@ -20,20 +20,25 @@ trap at_exit EXIT

 test -x "${GENERATOR_BIN:?}"

-if in_container; then
-    # Do a limited test in a container, as writing to /dev is usually restrited
-    : "getty-generator: \$container_ttys env (container)"
-    # In a container we allow only /dev/pts/* ptys
-    PID1_ENVIRON="container_ttys=tty0 pts/0 /dev/tty0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
+check_none() {
+    [[ "$(find "$OUT_DIR" ! -type d | wc -l)" -eq 0 ]]
+}

-    # console-getty.service is always pulled in in containers
+check_container() {
    link_endswith "$OUT_DIR/normal/getty.target.wants/console-getty.service" "/lib/systemd/system/console-getty.service"
    link_endswith "$OUT_DIR/normal/getty.target.wants/container-getty@0.service" "/lib/systemd/system/container-getty@.service"
    test ! -e "$OUT_DIR/normal/getty.target.wants/container-getty@tty0.service"
    test ! -h "$OUT_DIR/normal/getty.target.wants/container-getty@tty0.service"
+}

-    exit 0
-fi
+check_no_container() {
+    local unit
+
+    for unit in console-getty.service container-getty@0.service container-getty@tty0.service; do
+        test ! -e "$OUT_DIR/normal/getty.target.wants/$unit"
+        test ! -h "$OUT_DIR/normal/getty.target.wants/$unit"
+    done
+}

 DUMMY_ACTIVE_CONSOLES=(
    "hvc99"
@@ -52,6 +57,94 @@ DUMMY_CONSOLES=(
    "${DUMMY_ACTIVE_CONSOLES[@]}"
    "${DUMMY_INACTIVE_CONSOLES[@]}"
 )
+
+check_console() {
+    local console unit
+
+    for console in "${DUMMY_ACTIVE_CONSOLES[@]}"; do
+        unit="$(systemd-escape --template serial-getty@.service "$console")"
+        link_endswith "$OUT_DIR/normal/getty.target.wants/$unit" "/lib/systemd/system/serial-getty@.service"
+    done
+    for console in "${DUMMY_INACTIVE_CONSOLES[@]}" /dev/notatty99; do
+        unit="$(systemd-escape --template serial-getty@.service "$console")"
+        test ! -e "$OUT_DIR/normal/getty.target.wants/$unit"
+        test ! -h "$OUT_DIR/normal/getty.target.wants/$unit"
+    done
+}
+
+check_no_console() {
+    local console unit
+
+    for console in "${DUMMY_CONSOLES[@]}" /dev/notatty99; do
+        unit="$(systemd-escape --template serial-getty@.service "$console")"
+        test ! -e "$OUT_DIR/normal/getty.target.wants/$unit"
+        test ! -h "$OUT_DIR/normal/getty.target.wants/$unit"
+    done
+}
+
+BUILTINS=(
+    "hvc0"
+    "xvc0"
+    "hvsi0"
+    "sclp_line0"
+    "ttysclp0"
+    "3270/tty1"
+)
+
+check_builtin() {
+    local console unit
+
+    for console in "${BUILTINS[@]}"; do
+        unit="$(systemd-escape --template serial-getty@.service "$console")"
+        if [[ -e "/dev/$console" ]]; then
+            link_endswith "$OUT_DIR/normal/getty.target.wants/$unit" "/lib/systemd/system/serial-getty@.service"
+        else
+            test ! -e "$OUT_DIR/normal/getty.target.wants/$unit"
+            test ! -h "$OUT_DIR/normal/getty.target.wants/$unit"
+        fi
+    done
+}
+
+check_no_builtin() {
+    local console unit
+
+    for console in "${BUILTINS[@]}"; do
+        unit="$(systemd-escape --template serial-getty@.service "$console")"
+        test ! -e "$OUT_DIR/normal/getty.target.wants/$unit"
+        test ! -h "$OUT_DIR/normal/getty.target.wants/$unit"
+    done
+}
+
+if in_container; then
+    # Do a limited test in a container, as writing to /dev is usually restrited
+    : "getty-generator: \$container_ttys env (container)"
+    # In a container we allow only /dev/pts/* ptys
+    PID1_ENVIRON="container_ttys=tty0 pts/0 /dev/tty0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
+    check_container
+    check_no_console
+    check_no_builtin
+
+    : "getty-generator: SYSTEMD_GETTY_AUTO=0 in PID1's environment (container)"
+    PID1_ENVIRON="container_ttys=tty0 pts/0 /dev/tty0\0SYSTEMD_GETTY_AUTO=0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
+    check_none
+
+    : "getty-generator: SYSTEMD_GETTY_AUTO=console in PID1's environment (container)"
+    PID1_ENVIRON="container_ttys=tty0 pts/0 /dev/tty0\0SYSTEMD_GETTY_AUTO=console" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
+    check_none
+
+    : "getty-generator: SYSTEMD_GETTY_AUTO=console,builtin in PID1's environment (container)"
+    PID1_ENVIRON="container_ttys=tty0 pts/0 /dev/tty0\0SYSTEMD_GETTY_AUTO=console,builtin" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
+    check_none
+
+    : "getty-generator: SYSTEMD_GETTY_AUTO=console,builtin,container in PID1's environment (container)"
+    PID1_ENVIRON="container_ttys=tty0 pts/0 /dev/tty0\0SYSTEMD_GETTY_AUTO=console,builtin,container" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
+    check_container
+    check_no_console
+    check_no_builtin
+
+    exit 0
+fi
+
 # Create a bunch of dummy consoles
 for console in "${DUMMY_CONSOLES[@]}"; do
    mknod "/dev/$console" c 4 0
@@ -60,29 +153,55 @@ done
 touch /dev/notatty99
 # Temporarily replace /sys/class/tty/console/active with our list of dummy
 # consoles so getty-generator can process them
-echo -ne "${DUMMY_ACTIVE_CONSOLES[@]}" /dev/notatty99  >/tmp/dummy-active-consoles
+echo -ne "${DUMMY_ACTIVE_CONSOLES[@]}" /dev/notatty99 >/tmp/dummy-active-consoles
 mount -v --bind /tmp/dummy-active-consoles /sys/class/tty/console/active

 : "getty-generator: no arguments"
 # Sneak in an invalid value for $SYSTEMD_GETTY_AUTO to test things out
 PID1_ENVIRON="SYSTEMD_GETTY_AUTO=foo" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
-for console in "${DUMMY_ACTIVE_CONSOLES[@]}"; do
-    unit="$(systemd-escape --template serial-getty@.service "$console")"
-    link_endswith "$OUT_DIR/normal/getty.target.wants/$unit" "/lib/systemd/system/serial-getty@.service"
-done
-for console in "${DUMMY_INACTIVE_CONSOLES[@]}" /dev/notatty99; do
-    unit="$(systemd-escape --template serial-getty@.service "$console")"
-    test ! -e "$OUT_DIR/normal/getty.target.wants/$unit"
-    test ! -h "$OUT_DIR/normal/getty.target.wants/$unit"
-done
+check_no_container
+check_console
+check_builtin

 : "getty-generator: systemd.getty_auto=0 on kernel cmdline"
 SYSTEMD_PROC_CMDLINE="systemd.getty_auto=foo systemd.getty_auto=0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
-[[ "$(find "$OUT_DIR" ! -type d | wc -l)" -eq 0 ]]
+check_none
+
+: "getty-generator: systemd.getty_auto=container on kernel cmdline"
+SYSTEMD_PROC_CMDLINE="systemd.getty_auto=foo systemd.getty_auto=container" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
+check_none
+
+: "getty-generator: systemd.getty_auto=container,console on kernel cmdline"
+SYSTEMD_PROC_CMDLINE="systemd.getty_auto=foo systemd.getty_auto=container,console" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
+check_no_container
+check_console
+check_no_builtin
+
+: "getty-generator: systemd.getty_auto=container,builtin on kernel cmdline"
+SYSTEMD_PROC_CMDLINE="systemd.getty_auto=foo systemd.getty_auto=container,builtin" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
+check_no_container
+check_no_console
+check_builtin

 : "getty-generator: SYSTEMD_GETTY_AUTO=0 in PID1's environment"
 PID1_ENVIRON="SYSTEMD_GETTY_AUTO=0" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
-[[ "$(find "$OUT_DIR" ! -type d | wc -l)" -eq 0 ]]
+check_none
+
+: "getty-generator: SYSTEMD_GETTY_AUTO=container in PID1's environment"
+PID1_ENVIRON="SYSTEMD_GETTY_AUTO=container" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
+check_none
+
+: "getty-generator: SYSTEMD_GETTY_AUTO=container,console in PID1's environment"
+PID1_ENVIRON="SYSTEMD_GETTY_AUTO=container,console" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
+check_no_container
+check_console
+check_no_builtin
+
+: "getty-generator: SYSTEMD_GETTY_AUTO=container,builtin in PID1's environment"
+PID1_ENVIRON="SYSTEMD_GETTY_AUTO=container,builtin" run_and_list "$GENERATOR_BIN" "$OUT_DIR"
+check_no_container
+check_no_console
+check_builtin

 # Cleanup
 umount /sys/class/tty/console/active --lazy