[Buildroot] [PATCH 1/1] package/systemd: pre-create directories for services
Norbert Lange
nolange79 at gmail.com
Fri Jul 17 23:42:35 UTC 2020
this adds a new hook and a corresponding variable to add
addirectories and files after installation.
various services need directories in /var when they are started,
and create them if necessary. Creating those before, allows
those services to start even if /var is read-only.
Signed-off-by: Norbert Lange <nolange79 at gmail.com>
---
package/systemd/systemd.mk | 24 +++++++++++++++++++-----
1 file changed, 19 insertions(+), 5 deletions(-)
diff --git a/package/systemd/systemd.mk b/package/systemd/systemd.mk
index c202f5be02..b57365872e 100644
--- a/package/systemd/systemd.mk
+++ b/package/systemd/systemd.mk
@@ -317,6 +317,7 @@ endif
ifeq ($(BR2_PACKAGE_SYSTEMD_LOGIND),y)
SYSTEMD_CONF_OPTS += -Dlogind=true
+SYSTEMD_POST_INSTALL_ENTRIES += var/lib/systemd/linger/
else
SYSTEMD_CONF_OPTS += -Dlogind=false
endif
@@ -336,6 +337,7 @@ endif
ifeq ($(BR2_PACKAGE_SYSTEMD_HOMED),y)
SYSTEMD_CONF_OPTS += -Dhomed=true
SYSTEMD_DEPENDENCIES += cryptsetup openssl
+SYSTEMD_POST_INSTALL_ENTRIES += var/lib/systemd/home/
else
SYSTEMD_CONF_OPTS += -Dhomed=false
endif
@@ -380,12 +382,14 @@ endif
ifeq ($(BR2_PACKAGE_SYSTEMD_COREDUMP),y)
SYSTEMD_CONF_OPTS += -Dcoredump=true
SYSTEMD_COREDUMP_USER = systemd-coredump -1 systemd-coredump -1 * - - - systemd core dump processing
+SYSTEMD_POST_INSTALL_ENTRIES += var/lib/systemd/coredump/
else
SYSTEMD_CONF_OPTS += -Dcoredump=false
endif
ifeq ($(BR2_PACKAGE_SYSTEMD_PSTORE),y)
SYSTEMD_CONF_OPTS += -Dpstore=true
+SYSTEMD_POST_INSTALL_ENTRIES += var/lib/systemd/pstore/
else
SYSTEMD_CONF_OPTS += -Dpstore=false
endif
@@ -436,6 +440,7 @@ endif
ifeq ($(BR2_PACKAGE_SYSTEMD_TIMESYNCD),y)
SYSTEMD_CONF_OPTS += -Dtimesyncd=true
SYSTEMD_TIMESYNCD_USER = systemd-timesync -1 systemd-timesync -1 * - - - systemd Time Synchronization
+SYSTEMD_POST_INSTALL_ENTRIES += var/lib/systemd/timesync/
else
SYSTEMD_CONF_OPTS += -Dtimesyncd=false
endif
@@ -485,18 +490,23 @@ ifneq ($(SYSTEMD_FALLBACK_HOSTNAME),)
SYSTEMD_CONF_OPTS += -Dfallback-hostname=$(SYSTEMD_FALLBACK_HOSTNAME)
endif
+define SYSTEMD_INSTALL_ENTRY_HOOK
+ mkdir -p -m700 $(TARGET_DIR)/var/lib/private $(TARGET_DIR)/var/log/private \
+ $(TARGET_DIR)/var/cache/private
+ mkdir -p -m1777 $(TARGET_DIR)/var/tmp
+ $(if $(BR2_PACKAGE_SYSTEMD_MACHINED),mkdir -p -m700 $(TARGET_DIR)/var/lib/machines)
+ mkdir -p $(addprefix $(TARGET_DIR)/,var/lib $(filter %/,$(SYSTEMD_POST_INSTALL_ENTRIES)))
+ touch $(addprefix $(TARGET_DIR)/,etc/machine-id $(filter-out %/,$(SYSTEMD_POST_INSTALL_ENTRIES)))
+endef
+
define SYSTEMD_INSTALL_INIT_HOOK
ln -fs multi-user.target \
$(TARGET_DIR)/usr/lib/systemd/system/default.target
endef
-define SYSTEMD_INSTALL_MACHINEID_HOOK
- touch $(TARGET_DIR)/etc/machine-id
-endef
-
SYSTEMD_POST_INSTALL_TARGET_HOOKS += \
+ SYSTEMD_INSTALL_ENTRY_HOOK \
SYSTEMD_INSTALL_INIT_HOOK \
- SYSTEMD_INSTALL_MACHINEID_HOOK \
SYSTEMD_INSTALL_RESOLVCONF_HOOK
define SYSTEMD_INSTALL_IMAGES_CMDS
@@ -532,6 +542,10 @@ endef
SYSTEMD_TARGET_FINALIZE_HOOKS += SYSTEMD_INSTALL_NSSCONFIG_HOOK
+define SYSTEMD_PERMISSIONS
+ $(if $(SYSTEMD_TIMESYNCD_USER),/var/lib/systemd/timesync d 755 systemd-timesync systemd-timesync - - - - -)
+endef
+
ifneq ($(call qstrip,$(BR2_TARGET_GENERIC_GETTY_PORT)),)
# systemd provides multiple units to autospawn getty as neede
# * getty at .service to start a getty on normal TTY
--
2.27.0
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