Re: [ndctl PATCH v11 3/5] ndctl, monitor: add the unit file of systemd for ndctl-monitor service

["Verma, Vishal L" <vishal.l.verma@intel.com>]

On Wed, 2018-07-11 at 12:00 +0900, QI Fuli wrote:
> This patch adds the systemd unit file for ndctl-monitor service.
> The systemd unit directory can be configured by setting environment
> variable "--with-systemd-unit-dir[=DIR]".
> 
> A monitor daemon can be started as a system service:
>    # systemctl start ndctl-monitor.service
> 
> Signed-off-by: QI Fuli <qi.fuli@jp.fujitsu.com>
> ---
>  autogen.sh                  |  3 ++-
>  configure.ac                | 22 ++++++++++++++++++++++
>  ndctl/Makefile.am           |  4 ++++
>  ndctl/ndctl-monitor.service |  7 +++++++
>  4 files changed, 35 insertions(+), 1 deletion(-)
>  create mode 100644 ndctl/ndctl-monitor.service

We install the service unit file when doing a 'make install', but I
think this also needs an update to the RPM spec file so that RPM knows
about this too.

> 
> diff --git a/autogen.sh b/autogen.sh
> index 2a52688..21b0e25 100755
> --- a/autogen.sh
> +++ b/autogen.sh
> @@ -17,7 +17,8 @@ libdir() {
>  
>  args="--prefix=/usr \
>  --sysconfdir=/etc \
> ---libdir=$(libdir /usr/lib)"
> +--libdir=$(libdir /usr/lib) \
> +--with-systemd-unit-dir"
>  
>  echo
>  echo "------------------------------------------------------------
> ----"
> diff --git a/configure.ac b/configure.ac
> index cf44260..a5ba9a1 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -143,6 +143,27 @@ AC_CHECK_FUNCS([ \
>  	secure_getenv\
>  ])
>  
> +PKG_PROG_PKG_CONFIG
> +AC_ARG_WITH([systemd-unit-dir],
> +	AS_HELP_STRING([--with-systemd-unit-dir[=DIR]],
> +		[Directory for systemd service files]),
> +	[],
> +	[with_systemd_unit_dir=yes])
> +
> +if test "x$with_systemd_unit_dir" = "xyes"; then
> +	def_systemd_unit_dir=$($PKG_CONFIG --
> variable=systemdsystemunitdir systemd)
> +	if test "x$def_systemd_unit_dir" = "x"; then
> +		AC_MSG_ERROR([systemd support requested but pkg-
> config unable to query systemd package])
> +		with_systemd_unit_dir=no
> +	else
> +		with_systemd_unit_dir="$def_systemd_unit_dir"
> +	fi
> +fi
> +
> +AS_IF([test "x$with_systemd_unit_dir" != "xno"],
> +	[AC_SUBST([systemd_unitdir], [$with_systemd_unit_dir])])
> +AM_CONDITIONAL([ENABLE_SYSTEMD_UNIT_DIR], [test
> "x$with_systemd_unit_dir" != "xno"])
> +
>  my_CFLAGS="\
>  -Wall \
>  -Wchar-subscripts \
> @@ -184,6 +205,7 @@ AC_MSG_RESULT([
>          sysconfdir:             ${sysconfdir}
>          libdir:                 ${libdir}
>          includedir:             ${includedir}
> +	systemd-unit-dir:	${systemd_unitdir}
>  
>          compiler:               ${CC}
>          cflags:                 ${CFLAGS}
> diff --git a/ndctl/Makefile.am b/ndctl/Makefile.am
> index ae3d894..9d008d5 100644
> --- a/ndctl/Makefile.am
> +++ b/ndctl/Makefile.am
> @@ -47,3 +47,7 @@ monitor_config_file = monitor.conf
>  monitor_configdir = /etc/ndctl/
>  monitor_config_DATA = $(monitor_config_file)
>  EXTRA_DIST += $(monitor_config_file)
> +
> +if ENABLE_SYSTEMD_UNIT_DIR
> +systemd_unit_DATA = ndctl-monitor.service
> +endif
> diff --git a/ndctl/ndctl-monitor.service b/ndctl/ndctl-
> monitor.service
> new file mode 100644
> index 0000000..44f9326
> --- /dev/null
> +++ b/ndctl/ndctl-monitor.service
> @@ -0,0 +1,7 @@
> +[Unit]
> +Description=Ndctl Monitor Daemon
> +
> +[Service]
> +Type=forking
> +ExecStart=/usr/bin/ndctl monitor --daemon
> +ExecStop=/bin/kill ${MAINPID}
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