deploy/systemd/clawstor-fuse.service

@@ -6,22 +6,20 @@ Wants=clawstor-cluster.service
 
 [Service]
 Type=simple
-# Override via `systemctl --user edit clawstor-fuse.service` when the
-# install lives elsewhere.
-Environment=CLAWSTOR_FUSE_BIN=%h/clawstor-deploy/claw-fuse
-Environment=CLAWSTOR_DATA=%h/clawstor-deploy/data
-Environment=CLAWSTOR_MOUNT=%h/clawstor-mount
-# Create the mount point if missing (idempotent). ExecStartPre runs
-# BEFORE the actual mount; fusermount3 needs an existing dir.
-ExecStartPre=/bin/mkdir -p ${CLAWSTOR_MOUNT}
+# systemd expands %h (home) at parse time so the ExecStart binary
+# path resolves to an absolute path — env-var expansion in the
+# executable position is NOT supported (results in status=203).
+# Retarget via `systemctl --user edit clawstor-fuse.service`.
+# Create the mount point if missing (idempotent).
+ExecStartPre=/bin/mkdir -p %h/clawstor-mount
 # Best-effort pre-unmount in case a prior instance left a stale
-# mount (e.g. daemon SIGKILL). fusermount3's `-u -z` = lazy detach,
-# harmless when nothing is mounted.
-ExecStartPre=-/usr/bin/fusermount3 -u -z ${CLAWSTOR_MOUNT}
-ExecStart=${CLAWSTOR_FUSE_BIN} --data-dir ${CLAWSTOR_DATA} --mount ${CLAWSTOR_MOUNT}
-# The FUSE binary blocks until unmounted. On systemd stop, send
-# SIGTERM which fuser translates to a clean unmount.
-ExecStop=/usr/bin/fusermount3 -u ${CLAWSTOR_MOUNT}
+# mount (e.g. daemon SIGKILL). Leading `-` = ignore failure.
+ExecStartPre=-/usr/bin/fusermount3 -u -z %h/clawstor-mount
+ExecStart=%h/clawstor-deploy/claw-fuse --data-dir %h/clawstor-deploy/data --mount %h/clawstor-mount
+# The FUSE binary blocks until unmounted. On systemd stop we
+# unmount explicitly rather than relying on the binary's SIGTERM
+# handler.
+ExecStop=/usr/bin/fusermount3 -u %h/clawstor-mount
 Restart=on-failure
 RestartSec=5