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authorTobias Geerinckx-Rice <me@tobias.gr>2020-05-14 15:13:12 +0200
committerTobias Geerinckx-Rice <me@tobias.gr>2020-05-16 15:37:41 +0200
commit1a1faa78b0498fbb71f1533beb4b65817c1d3f2a (patch)
tree26e517d245b551901679a6ca4e9fc6430f526b55
parent0fe654ebcdf3399a950da65b50924096c947df42 (diff)
downloadguix-1a1faa78b0498fbb71f1533beb4b65817c1d3f2a.tar
guix-1a1faa78b0498fbb71f1533beb4b65817c1d3f2a.tar.gz
etc: Add a systemd unit to bind-mount @storedir@ read-only.
* etc/gnu-store.mount.in: New file. * nix/local.mk (nodist_systemdservice_DATA): Add it. (etc/%.mount): New rule for it. * etc/guix-install.sh (sys_enable_guix_daemon): Install it. * doc/guix.texi (Binary Installation): Document it. * .gitignore: Ignore changes to it.
-rw-r--r--.gitignore1
-rw-r--r--doc/guix.texi5
-rw-r--r--etc/gnu-store.mount.in14
-rwxr-xr-xetc/guix-install.sh12
-rw-r--r--nix/local.mk12
5 files changed, 38 insertions, 6 deletions
diff --git a/.gitignore b/.gitignore
index cc5ceb5e10..05a68b69ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -66,6 +66,7 @@
/doc/stamp-vti
/doc/version.texi
/doc/version-*.texi
+/etc/gnu-store.mount
/etc/guix-daemon.cil
/etc/guix-daemon.conf
/etc/guix-daemon.service
diff --git a/doc/guix.texi b/doc/guix.texi
index d043852ac3..90324ce291 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -659,9 +659,10 @@ with these commands:
@c https://lists.gnu.org/archive/html/guix-devel/2017-01/msg01199.html
@example
-# cp ~root/.config/guix/current/lib/systemd/system/guix-daemon.service \
+# cp ~root/.config/guix/current/lib/systemd/system/gnu-store.mount \
+ ~root/.config/guix/current/lib/systemd/system/guix-daemon.service \
/etc/systemd/system/
-# systemctl enable --now guix-daemon
+# systemctl enable --now gnu-store.mount guix-daemon
@end example
If your host distro uses the Upstart init system:
diff --git a/etc/gnu-store.mount.in b/etc/gnu-store.mount.in
new file mode 100644
index 0000000000..c94f2db72b
--- /dev/null
+++ b/etc/gnu-store.mount.in
@@ -0,0 +1,14 @@
+[Unit]
+Description=Read-only @storedir@ for GNU Guix
+DefaultDependencies=no
+ConditionPathExists=@storedir@
+Before=guix-daemon.service
+
+[Install]
+WantedBy=guix-daemon.service
+
+[Mount]
+What=@storedir@
+Where=@storedir@
+Type=none
+Options=bind,ro
diff --git a/etc/guix-install.sh b/etc/guix-install.sh
index 4909d3f162..d252c132fb 100755
--- a/etc/guix-install.sh
+++ b/etc/guix-install.sh
@@ -342,7 +342,13 @@ sys_enable_guix_daemon()
_msg "${PAS}enabled Guix daemon via upstart"
;;
systemd)
- { cp "${ROOT_HOME}/.config/guix/current/lib/systemd/system/guix-daemon.service" \
+ { # systemd .mount units must be named after the target directory.
+ # Here we assume a hard-coded name of /gnu/store.
+ cp "${ROOT_HOME}/.config/guix/current/lib/systemd/system/gnu-store.mount" \
+ /etc/systemd/system/;
+ chmod 664 /etc/systemd/system/gnu-store.mount;
+
+ cp "${ROOT_HOME}/.config/guix/current/lib/systemd/system/guix-daemon.service" \
/etc/systemd/system/;
chmod 664 /etc/systemd/system/guix-daemon.service;
@@ -357,8 +363,8 @@ sys_enable_guix_daemon()
fi;
systemctl daemon-reload &&
- systemctl start guix-daemon &&
- systemctl enable guix-daemon; } &&
+ systemctl start gnu-store.mount guix-daemon &&
+ systemctl enable gnu-store.mount guix-daemon; } &&
_msg "${PAS}enabled Guix daemon via systemd"
;;
sysv-init)
diff --git a/nix/local.mk b/nix/local.mk
index a64bdd2137..435fdd389a 100644
--- a/nix/local.mk
+++ b/nix/local.mk
@@ -155,7 +155,17 @@ noinst_HEADERS = \
# The '.service' files for systemd.
systemdservicedir = $(libdir)/systemd/system
-nodist_systemdservice_DATA = etc/guix-daemon.service etc/guix-publish.service
+nodist_systemdservice_DATA = \
+ etc/gnu-store.mount \
+ etc/guix-daemon.service \
+ etc/guix-publish.service
+
+etc/%.mount: etc/%.mount.in \
+ $(top_builddir)/config.status
+ $(AM_V_GEN)$(MKDIR_P) "`dirname $@`"; \
+ $(SED) -e 's|@''storedir''@|$(storedir)|' < \
+ "$<" > "$@.tmp"; \
+ mv "$@.tmp" "$@"
etc/guix-%.service: etc/guix-%.service.in \
$(top_builddir)/config.status