Add sysctl.conf to busybox configuration
Add option to install an generic, or project specific sysctl.conf file on the
target filesystem.
Also add the option to read the file during boot-time
Signed-off-by: Bart vdr. Meulen <bartvdrmeu...@gmail.com>
Signed-off-by: Remy Bohmer <li...@bohmer.net>
---
config/busybox/procps/Config.in | 14 ++++++++++++++
generic/etc/init.d/sysctl | 23 +++++++++++++++++++++++
rules/busybox.make | 8 ++++++++
rules/initmethod-bbinit.in | 6 ++++++
rules/initmethod-bbinit.make | 6 ++++++
5 files changed, 57 insertions(+), 0 deletions(-)
create mode 100644 generic/etc/init.d/sysctl
diff --git a/config/busybox/procps/Config.in b/config/busybox/procps/Config.in
index 32ddf23..7c51c6b 100644
--- a/config/busybox/procps/Config.in
+++ b/config/busybox/procps/Config.in
@@ -134,6 +134,20 @@ config BUSYBOX_BB_SYSCTL
help
Configure kernel parameters at runtime.
+config BUSYBOX_BB_SYSCTL_FEATURE_CONFIG
+ bool "Install /etc/sysctl.conf"
+ default n
+ depends on BUSYBOX_BB_SYSCTL
+ help
+ Install the /etc/sysctl.conf file.
+
+config BUSYBOX_BB_SYSCTL_FEATURE_STARTSCRIPT
+ bool "Install /etc/init.d/sysctl"
+ default n
+ depends on BUSYBOX_BB_SYSCTL
+ help
+ Install a start script to read /etc/sysctl.conf at startup
+
config BUSYBOX_TOP
bool "top"
default n
diff --git a/generic/etc/init.d/sysctl b/generic/etc/init.d/sysctl
new file mode 100644
index 0000000..d23f9d5
--- /dev/null
+++ b/generic/etc/init.d/sysctl
@@ -0,0 +1,23 @@
+#! /bin/sh
+# /etc/init.d/sysctl: Set kernel variables from /etc/sysctl.conf
+#
+
+PATH=/sbin:$PATH
+which sysctl > /dev/null || exit 0
+
+case "$1" in
+ start|restart|force-reload)
+ for file in /etc/sysctl.conf /etc/sysctl.d/*.conf ; do
+ if [ -r "$file" ] ; then
+ sysctl -p "$file" > /dev/null 2>&1
+ fi
+ done
+ ;;
+ stop)
+ ;;
+ *)
+ echo "Usage: /etc/init.d/sysctl
{start|stop|restart|force-reload}" >&2
+ exit 3
+ ;;
+esac
+exit 0
diff --git a/rules/busybox.make b/rules/busybox.make
index 1616ab1..7fcc55e 100644
--- a/rules/busybox.make
+++ b/rules/busybox.make
@@ -135,6 +135,10 @@ endif
ifdef PTXCONF_BUSYBOX_HWCLOCK_STARTSCRIPT
@$(call install_alternative, busybox, 0, 0, 0755, /etc/init.d/hwclock)
endif
+
+ifdef PTXCONF_BUSYBOX_BB_SYSCTL_FEATURE_STARTSCRIPT
+ @$(call install_alternative, busybox, 0, 0, 0755, /etc/init.d/sysctl)
+endif
endif # PTXCONF_INITMETHOD_BBINIT
# #
@@ -151,6 +155,10 @@ ifdef PTXCONF_BUSYBOX_CROND
@$(call install_copy, busybox, 0, 0, 0755, /var/spool/cron/crontabs/)
endif
+ifdef PTXCONF_BUSYBOX_BB_SYSCTL_FEATURE_CONFIG
+ @$(call install_alternative, busybox, 0, 0, 0755, /etc/sysctl.conf)
+endif
+
@$(call install_finish, busybox)
@$(call touch)
diff --git a/rules/initmethod-bbinit.in b/rules/initmethod-bbinit.in
index 274ae66..7045263 100644
--- a/rules/initmethod-bbinit.in
+++ b/rules/initmethod-bbinit.in
@@ -303,6 +303,12 @@ config INITMETHOD_BBINIT_LINK_LVM2
prompt "lvm2"
default "S20lvm2"
+config INITMETHOD_BBINIT_LINK_SYSCTL
+ string
+ depends on BUSYBOX_BB_SYSCTL_FEATURE_STARTSCRIPT
+ prompt "sysctl"
+ default "S17sysctl"
+
endmenu
endif
diff --git a/rules/initmethod-bbinit.make b/rules/initmethod-bbinit.make
index cdca3cb..7b78899 100644
--- a/rules/initmethod-bbinit.make
+++ b/rules/initmethod-bbinit.make
@@ -363,6 +363,12 @@ ifneq ($(call
remove_quotes,$(PTXCONF_INITMETHOD_BBINIT_LINK_LVM2)),)
/etc/rc.d/$(PTXCONF_INITMETHOD_BBINIT_LINK_LVM2))
endif
+ifneq ($(call remove_quotes,$(PTXCONF_INITMETHOD_BBINIT_LINK_SYSCTL)),)
+ @$(call install_link, initmethod-bbinit, \
+ ../init.d/sysctl, \
+ /etc/rc.d/$(PTXCONF_INITMETHOD_BBINIT_LINK_SYSCTL))
+endif
+
ifneq ($(call remove_quotes,$(PTXCONF_INITMETHOD_BBINIT_LINK_FAKE_OVERLAYFS)),)
@$(call install_link, initmethod-bbinit, \
../init.d/fake-overlayfs, \
--
1.7.0.4
--
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