TEST-50-DISSECT: Make sure logging sockets are mounted into images

Otherwise we lose valuable logging from systemd-executor when things
go wrong since it can only log to the journal and not to the console
in these cases.

Author: DaanDeMeyer

test/units/testsuite-50.dissect.sh

@@ -9,6 +9,12 @@ set -o pipefail
 # shellcheck source=test/units/util.sh
 . "$(dirname "$0")"/util.sh
 
+BIND_LOG_SOCKETS=(
+    --property BindReadOnlyPaths=/dev/log
+    --property BindReadOnlyPaths=/run/systemd/journal/socket
+    --property BindReadOnlyPaths=/run/systemd/journal/stdout
+)
+
 systemd-dissect --json=short "$MINIMAL_IMAGE.raw" | \
     grep -q -F '{"rw":"ro","designator":"root","partition_uuid":null,"partition_label":null,"fstype":"squashfs","architecture":null,"verity":"external"'
 systemd-dissect "$MINIMAL_IMAGE.raw" | grep -q -F "MARKER=1"
@@ -73,19 +79,21 @@ fi
 systemd-dissect --umount "$IMAGE_DIR/mount"
 systemd-dissect --umount "$IMAGE_DIR/mount2"
 
-systemd-run -P -p RootImage="$MINIMAL_IMAGE.raw" cat /usr/lib/os-release | grep -q -F "MARKER=1"
+systemd-run -P -p RootImage="$MINIMAL_IMAGE.raw" "${BIND_LOG_SOCKETS[@]}" cat /usr/lib/os-release | grep -q -F "MARKER=1"
 mv "$MINIMAL_IMAGE.verity" "$MINIMAL_IMAGE.fooverity"
 mv "$MINIMAL_IMAGE.roothash" "$MINIMAL_IMAGE.foohash"
 systemd-run -P \
             -p RootImage="$MINIMAL_IMAGE.raw" \
             -p RootHash="$MINIMAL_IMAGE.foohash" \
             -p RootVerity="$MINIMAL_IMAGE.fooverity" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/os-release | grep -q -F "MARKER=1"
 # Let's use the long option name just here as a test
 systemd-run -P \
             --property RootImage="$MINIMAL_IMAGE.raw" \
             --property RootHash="$MINIMAL_IMAGE_ROOTHASH" \
             --property RootVerity="$MINIMAL_IMAGE.fooverity" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/os-release | grep -q -F "MARKER=1"
 mv "$MINIMAL_IMAGE.fooverity" "$MINIMAL_IMAGE.verity"
 mv "$MINIMAL_IMAGE.foohash" "$MINIMAL_IMAGE.roothash"
@@ -133,48 +141,56 @@ systemd-run --wait -P \
             -p RootImage="$MINIMAL_IMAGE.gpt" \
             -p RootHash="$MINIMAL_IMAGE_ROOTHASH" \
             -p MountAPIVFS=yes \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/os-release | grep -q -F "MARKER=1"
 systemd-run --wait -P \
             -p RootImage="$MINIMAL_IMAGE.gpt" \
             -p RootHash="$MINIMAL_IMAGE_ROOTHASH" \
             -p RootImagePolicy='*' \
             -p MountAPIVFS=yes \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/os-release | grep -q -F "MARKER=1"
 (! systemd-run --wait -P \
                -p RootImage="$MINIMAL_IMAGE.gpt" \
                -p RootHash="$MINIMAL_IMAGE_ROOTHASH" \
                -p RootImagePolicy='~' \
                -p MountAPIVFS=yes \
+               "${BIND_LOG_SOCKETS[@]}" \
                cat /usr/lib/os-release | grep -q -F "MARKER=1")
 (! systemd-run --wait -P \
                -p RootImage="$MINIMAL_IMAGE.gpt" \
                -p RootHash="$MINIMAL_IMAGE_ROOTHASH" \
                -p RootImagePolicy='-' \
                -p MountAPIVFS=yes \
+               "${BIND_LOG_SOCKETS[@]}" \
                cat /usr/lib/os-release | grep -q -F "MARKER=1")
 (! systemd-run --wait -P \
                -p RootImage="$MINIMAL_IMAGE.gpt" \
                -p RootHash="$MINIMAL_IMAGE_ROOTHASH" \
                -p RootImagePolicy='root=absent' \
                -p MountAPIVFS=yes \
+               "${BIND_LOG_SOCKETS[@]}" \
                cat /usr/lib/os-release | grep -q -F "MARKER=1")
 systemd-run --wait -P \
             -p RootImage="$MINIMAL_IMAGE.gpt" \
             -p RootHash="$MINIMAL_IMAGE_ROOTHASH" \
             -p RootImagePolicy='root=verity' \
             -p MountAPIVFS=yes \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/os-release | grep -q -F "MARKER=1"
 systemd-run --wait -P \
             -p RootImage="$MINIMAL_IMAGE.gpt" \
             -p RootHash="$MINIMAL_IMAGE_ROOTHASH" \
             -p RootImagePolicy='root=signed' \
             -p MountAPIVFS=yes \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/os-release | grep -q -F "MARKER=1"
 (! systemd-run --wait -P \
                -p RootImage="$MINIMAL_IMAGE.gpt" \
                -p RootHash="$MINIMAL_IMAGE_ROOTHASH" \
                -p RootImagePolicy='root=encrypted' \
                -p MountAPIVFS=yes \
+               "${BIND_LOG_SOCKETS[@]}" \
                cat /usr/lib/os-release | grep -q -F "MARKER=1")
 
 systemd-dissect --root-hash "$MINIMAL_IMAGE_ROOTHASH" --mount "$MINIMAL_IMAGE.gpt" "$IMAGE_DIR/mount"
@@ -194,14 +210,17 @@ systemd-run -P \
             -p RootImage="$MINIMAL_IMAGE.gpt" \
             -p RootHash="$MINIMAL_IMAGE_ROOTHASH" \
             -p MountAPIVFS=yes \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/os-release | grep -q -F "MARKER=1"
 systemd-run -P \
             -p RootImage="$MINIMAL_IMAGE.raw" \
             -p RootImageOptions="root:nosuid,dev home:ro,dev ro,noatime" \
+            "${BIND_LOG_SOCKETS[@]}" \
             mount | grep -F "squashfs" | grep -q -F "nosuid"
 systemd-run -P \
             -p RootImage="$MINIMAL_IMAGE.gpt" \
             -p RootImageOptions="root:ro,noatime root:ro,dev" \
+            "${BIND_LOG_SOCKETS[@]}" \
             mount | grep -F "squashfs" | grep -q -F "noatime"
 
 mkdir -p "$IMAGE_DIR/result"
@@ -214,6 +233,7 @@ TemporaryFileSystem=/run
 RootImage=$MINIMAL_IMAGE.raw
 RootImageOptions=root:ro,noatime home:ro,dev relatime,dev
 RootImageOptions=nosuid,dev
+BindReadOnlyPaths=/dev/log /run/systemd/journal/socket /run/systemd/journal/stdout
 EOF
 systemctl start testservice-50a.service
 grep -F "squashfs" "$IMAGE_DIR/result/a" | grep -q -F "noatime"
@@ -230,6 +250,7 @@ RootImageOptions=root:ro,noatime,nosuid home:ro,dev nosuid,dev
 RootImageOptions=home:ro,dev nosuid,dev,%%foo
 # this is the default, but let's specify once to test the parser
 MountAPIVFS=yes
+BindReadOnlyPaths=/dev/log /run/systemd/journal/socket /run/systemd/journal/stdout
 EOF
 systemctl start testservice-50b.service
 grep -F "squashfs" "$IMAGE_DIR/result/b" | grep -q -F "noatime"
@@ -262,23 +283,27 @@ systemd-run -P \
             -p TemporaryFileSystem=/run \
             -p RootImage="$MINIMAL_IMAGE.raw" \
             -p MountImages="$MINIMAL_IMAGE.gpt:/run/img1 $MINIMAL_IMAGE.raw:/run/img2" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/os-release | grep -q -F "MARKER=1"
 systemd-run -P \
             -p TemporaryFileSystem=/run \
             -p RootImage="$MINIMAL_IMAGE.raw" \
             -p MountImages="$MINIMAL_IMAGE.gpt:/run/img1 $MINIMAL_IMAGE.raw:/run/img2" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /run/img1/usr/lib/os-release | grep -q -F "MARKER=1"
 systemd-run -P \
             -p TemporaryFileSystem=/run \
             -p RootImage="$MINIMAL_IMAGE.gpt" \
             -p RootHash="$MINIMAL_IMAGE_ROOTHASH" \
             -p MountImages="$MINIMAL_IMAGE.gpt:/run/img1 $MINIMAL_IMAGE.raw:/run/img2" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /run/img2/usr/lib/os-release | grep -q -F "MARKER=1"
 cat >/run/systemd/system/testservice-50c.service <<EOF
 [Service]
 MountAPIVFS=yes
 TemporaryFileSystem=/run
 RootImage=$MINIMAL_IMAGE.raw
+BindReadOnlyPaths=/dev/log /run/systemd/journal/socket /run/systemd/journal/stdout
 MountImages=$MINIMAL_IMAGE.gpt:/run/img1:root:noatime:home:relatime
 MountImages=$MINIMAL_IMAGE.raw:/run/img2\:3:nosuid
 ExecStart=bash -c "cat /run/img1/usr/lib/os-release >/run/result/c"
@@ -326,34 +351,42 @@ systemctl is-active testservice-50d.service
 systemd-run -P \
             --property ExtensionImages=/usr/share/app0.raw \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /opt/script0.sh | grep -q -F "extension-release.app0"
 systemd-run -P \
             --property ExtensionImages=/usr/share/app0.raw \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 systemd-run -P \
             --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /opt/script0.sh | grep -q -F "extension-release.app0"
 systemd-run -P \
             --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 systemd-run -P \
             --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /opt/script1.sh | grep -q -F "extension-release.app2"
 systemd-run -P \
             --property ExtensionImages="/usr/share/app0.raw /usr/share/app1.raw" \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/systemd/system/other_file | grep -q -F "MARKER=1"
 systemd-run -P \
             --property ExtensionImages=/usr/share/app-nodistro.raw \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 systemd-run -P \
             --property ExtensionImages=/etc/service-scoped-test.raw \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /etc/systemd/system/some_file | grep -q -F "MARKER_CONFEXT_123"
 # Check that using a symlink to NAME-VERSION.raw works as long as the symlink has the correct name NAME.raw
 mkdir -p /usr/share/symlink-test/
@@ -362,6 +395,7 @@ ln -fs /usr/share/symlink-test/app-nodistro-v1.raw /usr/share/symlink-test/app-n
 systemd-run -P \
             --property ExtensionImages=/usr/share/symlink-test/app-nodistro.raw \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 
 # Symlink check again but for confext
@@ -371,17 +405,20 @@ ln -fs /etc/symlink-test/service-scoped-test-v1.raw /etc/symlink-test/service-sc
 systemd-run -P \
             --property ExtensionImages=/etc/symlink-test/service-scoped-test.raw \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /etc/systemd/system/some_file | grep -q -F "MARKER_CONFEXT_123"
 # And again mixing sysext and confext
 systemd-run -P \
     --property ExtensionImages=/usr/share/symlink-test/app-nodistro.raw \
     --property ExtensionImages=/etc/symlink-test/service-scoped-test.raw \
     --property RootImage="$MINIMAL_IMAGE.raw" \
+    "${BIND_LOG_SOCKETS[@]}" \
     cat /etc/systemd/system/some_file | grep -q -F "MARKER_CONFEXT_123"
 systemd-run -P \
     --property ExtensionImages=/usr/share/symlink-test/app-nodistro.raw \
     --property ExtensionImages=/etc/symlink-test/service-scoped-test.raw \
     --property RootImage="$MINIMAL_IMAGE.raw" \
+    "${BIND_LOG_SOCKETS[@]}" \
     cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 
 cat >/run/systemd/system/testservice-50e.service <<EOF
@@ -391,6 +428,7 @@ TemporaryFileSystem=/run /var/lib
 StateDirectory=app0
 RootImage=$MINIMAL_IMAGE.raw
 ExtensionImages=/usr/share/app0.raw /usr/share/app1.raw:nosuid
+BindReadOnlyPaths=/dev/log /run/systemd/journal/socket /run/systemd/journal/stdout
 # Relevant only for sanitizer runs
 UnsetEnvironment=LD_PRELOAD
 ExecStart=bash -c '/opt/script0.sh | grep ID'
@@ -418,10 +456,12 @@ mkdir -p "$IMAGE_DIR/app0" "$IMAGE_DIR/app1" "$IMAGE_DIR/app-nodistro" "$IMAGE_D
 (! systemd-run -P \
                --property ExtensionDirectories="$IMAGE_DIR/nonexistent" \
                --property RootImage="$MINIMAL_IMAGE.raw" \
+               "${BIND_LOG_SOCKETS[@]}" \
                cat /opt/script0.sh)
 (! systemd-run -P \
                --property ExtensionDirectories="$IMAGE_DIR/app0" \
                --property RootImage="$MINIMAL_IMAGE.raw" \
+               "${BIND_LOG_SOCKETS[@]}" \
                cat /opt/script0.sh)
 systemd-dissect --mount /usr/share/app0.raw "$IMAGE_DIR/app0"
 systemd-dissect --mount /usr/share/app1.raw "$IMAGE_DIR/app1"
@@ -430,41 +470,50 @@ systemd-dissect --mount /etc/service-scoped-test.raw "$IMAGE_DIR/service-scoped-
 systemd-run -P \
             --property ExtensionDirectories="$IMAGE_DIR/app0" \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /opt/script0.sh | grep -q -F "extension-release.app0"
 systemd-run -P \
             --property ExtensionDirectories="$IMAGE_DIR/app0" \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 systemd-run -P \
             --property ExtensionDirectories="$IMAGE_DIR/app0 $IMAGE_DIR/app1" \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /opt/script0.sh | grep -q -F "extension-release.app0"
 systemd-run -P \
             --property ExtensionDirectories="$IMAGE_DIR/app0 $IMAGE_DIR/app1" \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 systemd-run -P \
             --property ExtensionDirectories="$IMAGE_DIR/app0 $IMAGE_DIR/app1" \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /opt/script1.sh | grep -q -F "extension-release.app2"
 systemd-run -P \
             --property ExtensionDirectories="$IMAGE_DIR/app0 $IMAGE_DIR/app1" \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/systemd/system/other_file | grep -q -F "MARKER=1"
 systemd-run -P \
             --property ExtensionDirectories="$IMAGE_DIR/app-nodistro" \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /usr/lib/systemd/system/some_file | grep -q -F "MARKER=1"
 systemd-run -P \
             --property ExtensionDirectories="$IMAGE_DIR/service-scoped-test" \
             --property RootImage="$MINIMAL_IMAGE.raw" \
+            "${BIND_LOG_SOCKETS[@]}" \
             cat /etc/systemd/system/some_file | grep -q -F "MARKER_CONFEXT_123"
 cat >/run/systemd/system/testservice-50f.service <<EOF
 [Service]
 MountAPIVFS=yes
 TemporaryFileSystem=/run /var/lib
 StateDirectory=app0
 RootImage=$MINIMAL_IMAGE.raw
+BindReadOnlyPaths=/dev/log /run/systemd/journal/socket /run/systemd/journal/stdout
 ExtensionDirectories=$IMAGE_DIR/app0 $IMAGE_DIR/app1
 # Relevant only for sanitizer runs
 UnsetEnvironment=LD_PRELOAD
@@ -534,7 +583,7 @@ ln -s "$MINIMAL_IMAGE.raw" "$VDIR/${VBASE}_33.raw"
 ln -s "$MINIMAL_IMAGE.raw" "$VDIR/${VBASE}_34.raw"
 ln -s "$MINIMAL_IMAGE.raw" "$VDIR/${VBASE}_35.raw"
 
-systemd-run -P -p RootImage="$VDIR" cat /usr/lib/os-release | grep -q -F "MARKER=1"
+systemd-run -P -p RootImage="$VDIR" "${BIND_LOG_SOCKETS[@]}" cat /usr/lib/os-release | grep -q -F "MARKER=1"
 
 rm "$VDIR/${VBASE}_33.raw" "$VDIR/${VBASE}_34.raw" "$VDIR/${VBASE}_35.raw"
 rmdir "$VDIR"
@@ -612,6 +661,7 @@ systemd-run --unit=test-root-ephemeral \
     -p RootDirectory=/tmp/img \
     -p RootEphemeral=yes \
     -p Type=exec \
+    "${BIND_LOG_SOCKETS[@]}" \
     bash -c "touch /abc && sleep infinity"
 test -n "$(ls -A /var/lib/systemd/ephemeral-trees)"
 systemctl stop test-root-ephemeral
@@ -661,7 +711,7 @@ grep -q -F "MARKER_CONFEXT_123" /etc/testfile
 systemd-confext unmerge
 rm -rf /run/confexts/ testjob/
 
-systemd-run -P -p RootImage="$MINIMAL_IMAGE.raw" cat /run/host/os-release | cmp "$OS_RELEASE"
+systemd-run -P -p RootImage="$MINIMAL_IMAGE.raw" "${BIND_LOG_SOCKETS[@]}" cat /run/host/os-release | cmp "$OS_RELEASE"
 
 # Test that systemd-sysext reloads the daemon.
 mkdir -p /var/lib/extensions/