# Copyright 1999-2015 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # $Id$ # @ECLASS: s6.eclass # @MAINTAINER: # William Hubbs <williamh@gentoo.org> # @BLURB: helper functions to install s6 services # @DESCRIPTION: # This eclass provides helpers to install s6 services. # @EXAMPLE: # # @CODE # inherit s6 # # src_install() { # ... # s6_install_service myservice "${FILESDIR}"/run-s6 "${FILESDIR}"/finish-s6 # ... # If you want a service to be logged, install the log service as # shown here. # s6_install_service myservice/log "${FILESDIR}"/log-run-s6 \ # "${FILESDIR}"/log-finish-s6 # ... # } # @CODE case ${EAPI:-0} in 5|6) ;; *) die "${ECLASS}.eclass: API in EAPI ${EAPI} not yet established" ;; esac # @FUNCTION: _s6_get_servicedir # @INTERNAL # @DESCRIPTION: # Get unprefixed servicedir. _s6_get_servicedir() { echo /var/svc.d } # @FUNCTION: s6_get_servicedir # @DESCRIPTION: # Output the path for the s6 service directory (not including ${D}). s6_get_servicedir() { debug-print-function ${FUNCNAME} "${@}" echo "${EPREFIX}$(_s6_get_servicedir)" } # @FUNCTION: s6_install_service # @USAGE: servicename run finish # @DESCRIPTION: # Install an s6 service. # servicename is the name of the service. # run is the run script for the service. # finish is the optional finish script for the service. s6_install_service() { debug-print-function ${FUNCNAME} "${@}" local name="$1" local run="$2" local finish="$3" [[ $name ]] || die "${ECLASS}.eclass: you must specify the s6 service name" [[ $run ]] || die "${ECLASS}.eclass: you must specify the s6 service run script" ( local servicepath="$(_s6_get_servicedir)/$name" exeinto "$servicepath" newexe "$run" run [[ $finish ]] && newexe "$finish" finish ) } # @FUNCTION: s6_service_down # @USAGE: servicename # @DESCRIPTION: # Install the "down" flag so this service will not be started by # default. # servicename is the name of the service. s6_service_down() { debug-print-function ${FUNCNAME} "${@}" local name="$1" [[ $name ]] || die "${ECLASS}.eclass: you must specify the s6 service name" ( touch "$T"/down || die local servicepath="$(_s6_get_servicedir)/$name" insinto "$servicepath" doins "$T"/down ) } # @FUNCTION: s6_service_nosetsid # @USAGE: servicename # @DESCRIPTION: # Install the "nosetsid" flag so this service will not be made a session # leader. # servicename is the name of the service. s6_service_nosetsid() { debug-print-function ${FUNCNAME} "${@}" local name="$1" [[ $name ]] || die "${ECLASS}.eclass: you must specify the s6 service name" ( touch "$T"/nosetsid || die local servicepath="$(_s6_get_servicedir)/$name" insinto "$servicepath" doins "$T"/nosetsid ) }