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Wed, 16 Jan 2019 13:42:58 -0800 (PST) From: Vadim Kochan To: buildroot@buildroot.org Date: Wed, 16 Jan 2019 23:51:35 +0200 Message-Id: <20190116215135.32142-4-vadim4j@gmail.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20190116215135.32142-1-vadim4j@gmail.com> References: <20190116215135.32142-1-vadim4j@gmail.com> Subject: [Buildroot] [RFC 3/3] package/s6-rc: Allow to integrate s6-rc services X-BeenThere: buildroot@busybox.net X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eric Le Bihan , Vadim Kochan MIME-Version: 1.0 Errors-To: buildroot-bounces@busybox.net Sender: "buildroot" It allows to install s6-rc services by board or package into /etc/s6-rc/service which will be compiled as s6-rc db as /etc/s6-rc/compiled-initial. Services are compiled on stage when rootfs overlay & post-build already performed. Added rc.init & rc.shutdown scripts which are needed to run s6-rc services. This is very basic s6-rc system support which even does not have the basic stuff like /proc /sys /dev setup, but this might be added in future work. All above is only possible if BR2_INIT_S6 is selected. Signed-off-by: Vadim Kochan --- package/s6-rc/rc.init | 4 ++++ package/s6-rc/rc.shutdown | 3 +++ package/s6-rc/s6-rc.mk | 32 ++++++++++++++++++++++++++++++++ 3 files changed, 39 insertions(+) create mode 100644 package/s6-rc/rc.init create mode 100644 package/s6-rc/rc.shutdown diff --git a/package/s6-rc/rc.init b/package/s6-rc/rc.init new file mode 100644 index 0000000000..6709c6488b --- /dev/null +++ b/package/s6-rc/rc.init @@ -0,0 +1,4 @@ +#! /usr/bin/execlineb -P + +if { s6-rc-init /run/service } +if { s6-rc -t 600000 -- change default } diff --git a/package/s6-rc/rc.shutdown b/package/s6-rc/rc.shutdown new file mode 100644 index 0000000000..58d49b5cfd --- /dev/null +++ b/package/s6-rc/rc.shutdown @@ -0,0 +1,3 @@ +#! /usr/bin/execlineb -P + +s6-rc -da change diff --git a/package/s6-rc/s6-rc.mk b/package/s6-rc/s6-rc.mk index 222ba139c6..007e7d9e1b 100644 --- a/package/s6-rc/s6-rc.mk +++ b/package/s6-rc/s6-rc.mk @@ -11,6 +11,13 @@ S6_RC_LICENSE_FILES = COPYING S6_RC_INSTALL_STAGING = YES S6_RC_DEPENDENCIES = s6 +ifeq ($(BR2_INIT_S6),y) +# Needs s6-rc-compile to create initial rc db, also +# build after s6-linux-init to rewrite rc.init for run +# s6-rc services. +S6_RC_DEPENDENCIES += host-s6-rc s6-linux-init +endif + S6_RC_CONF_OPTS = \ --prefix=/usr \ --with-sysdeps=$(STAGING_DIR)/usr/lib/skalibs/sysdeps \ @@ -44,6 +51,31 @@ define S6_RC_INSTALL_STAGING_CMDS $(TARGET_MAKE_ENV) $(MAKE) -C $(@D) DESTDIR=$(STAGING_DIR) install endef +ifeq ($(BR2_INIT_S6),y) + +define S6_RC_PREPARE_INIT_RC + mkdir -p $(TARGET_DIR)/etc/s6-rc/service/default + echo bundle > $(TARGET_DIR)/etc/s6-rc/service/default/type + touch $(TARGET_DIR)/etc/s6-rc/service/default/contents + + mkdir -p $(TARGET_DIR)/etc/s6-rc/compiled-initial + ln -sf compiled-initial $(TARGET_DIR)/etc/s6-rc/compiled + + $(INSTALL) -m 0755 $(S6_RC_PKGDIR)/rc.init $(TARGET_DIR)/etc/rc.init + $(INSTALL) -m 0755 $(S6_RC_PKGDIR)/rc.shutdown $(TARGET_DIR)/etc/rc.shutdown +endef +S6_RC_POST_INSTALL_TARGET_HOOKS += S6_RC_PREPARE_INIT_RC + +define S6_RC_FINALIZE_INIT_RC + rm -rf $(TARGET_DIR)/etc/s6-rc/compiled-initial + $(HOST_DIR)/bin/s6-rc-compile -v 1 \ + $(TARGET_DIR)/etc/s6-rc/compiled-initial \ + $(TARGET_DIR)/etc/s6-rc/service +endef +S6_RC_ROOTFS_PRE_CMD_HOOKS += S6_RC_FINALIZE_INIT_RC + +endif # BR2_INIT_S6 + HOST_S6_RC_DEPENDENCIES = host-s6 HOST_S6_RC_CONF_OPTS = \