diff options
| -rw-r--r-- | README.md | 9 | ||||
| -rwxr-xr-x | src/bin/systemctl.ver1 | 65 | ||||
| -rw-r--r-- | src/etc/systemdtl.conf | 2 | ||||
| -rwxr-xr-x | src/sbin/systemctl (renamed from src/bin/systemctl) | 162 |
4 files changed, 146 insertions, 92 deletions
diff --git a/README.md b/README.md new file mode 100644 index 0000000..70b9e6b --- /dev/null +++ b/README.md @@ -0,0 +1,9 @@ +# Readme for systemdtl +Systemdtl is a package that provides a systemctl interface to fool simple things that make hard-coded requests to a systemctl executable. +This script attempts to convert every request to a suitable real command. + +# Project license +CC-BY-SA 4.0 + +# Dependencies +bgscripts-core for framework.sh diff --git a/src/bin/systemctl.ver1 b/src/bin/systemctl.ver1 deleted file mode 100755 index 74f29c4..0000000 --- a/src/bin/systemctl.ver1 +++ /dev/null @@ -1,65 +0,0 @@ -#!/bin/sh -# goal: handle various systemctl commands, particularly for freeipa -# restart X(.service)? -# start -# stop -# enable -# status -# disable -# mask -# unmask -# is-enabled -# list-unit-files --full -# is-active -# reload-or-try-restart X -# condrestart X -# daemon-reload --system -# --now - -# log all parameters to learn usage -logfile=/var/log/systemctl.log -printf "%s\n" "${*}" >> "${logfile}" - -evalparam() { - # call: evalparam "${_x}" "word/single/double" "${_thisparam}" "${_nextparam}" - printf "%s\n" "evalparam $*" - __paramposition="${1}" - __paramflaglevel="${2}" - __param="${3}" - __nextparam="${4}" - case "${__param}" in - "now") - esac -} - -# iterate through all parameters -_param_count="${#}" -_x=0 -while test ${_x} -lt ${_param_count} ; -do - _x=$(( _x + 1 )) - eval _thisparam="\${${_x}}" - test ${_x} -lt ${_param_count} && eval _nextparam="\${$(( _x + 1 ))}" || unset _nextparam - #printf "%s\n" "param ${_x} is \"${_thisparam}\" and next is \"${_nextparam:-UNDEFINED}\"" - case "${_thisparam}" in - --*) - #printf "%s\n" "This is a double-dash! Send the whole thing." - evalparam "${_x}" "double" "${_thisparam##--}" "${_nextparam:-UNDEFINED}" - ;; - -*) - #printf "%s\n" "This is a single dash! Send each char." - _i=2 - while test ${_i} -le ${#_thisparam} ; - do - _char="$( printf '%s' "${_thisparam}" | cut -c ${_i})" - evalparam "${_x}" "single" "${_char}" "${_nextparam:-UNDEFINED}" "$(( _i -1 ))" - _i=$(( _i + 1 )) - done - unset _char - ;; - *) - #printf "%s\n" "No dash. Evaluate this as a word." - evalparam "${_x}" "word" "${_thisparam}" "${_nextparam:-UNDEFINED}" - ;; - esac -done diff --git a/src/etc/systemdtl.conf b/src/etc/systemdtl.conf new file mode 100644 index 0000000..17b917f --- /dev/null +++ b/src/etc/systemdtl.conf @@ -0,0 +1,2 @@ +# Part of systemdtl package +logfile="/var/log/systemctl.log" diff --git a/src/bin/systemctl b/src/sbin/systemctl index 2f3201e..3f13c9d 100755 --- a/src/bin/systemctl +++ b/src/sbin/systemctl @@ -1,6 +1,6 @@ #!/bin/sh # Filename: systemctl -# Location: +# Location: /usr/sbin/ # Author: bgstack15@gmail.com # Startdate: 2020-01-10 13:02:14 # Title: @@ -8,14 +8,34 @@ # Package: systemdtl # History: # Usage: +# Should be mostly like systemctl from systemd. # Reference: ftemplate.sh 2019-05-02a ; framework.sh 2018-05-02a +# man 1 systemctl # Improve: +# x restart X(.service)? +# x start +# x stop +# x enable +# x status +# x disable +# x mask +# x unmask +# x is-enabled +# x is-active +# x list-unit-files --full +# x reload-or-try-restart X +# x condrestart X +# x daemon-reload --system +# x --now fiversion="2019-05-02a" systemctlversion="2020-01-10a" usage() { ${PAGER:-/usr/bin/less -F} >&2 <<ENDUSAGE usage: systemctl [-duV] [-c conffile] +Provides a systemctl-like interface to sysvinit. Simulates (poorly) +various actions on services: start, stop, restart, enable, disable, +status, mask, unmask, is-enabled, is-active, condrestart version ${systemctlversion} -d debug Show debugging info, including parsed variables. -u usage Show this usage block. @@ -23,7 +43,7 @@ version ${systemctlversion} -c conf Read in this config file. Return values: 0 Normal - 1 Help or version info displayed + 1 Queried service is disabled/inactive 2 Count or type of flaglessvals is incorrect 3 Incorrect OS type 4 Unable to find dependency @@ -67,8 +87,8 @@ parseFlag() { case ${flag} in # INSERT FLAGS HERE "d" | "debug" | "DEBUG" | "dd" ) setdebug ; ferror "debug level ${debug}" ; __debug_set_by_param=1 ;; - "u" | "usage" | "help" | "h" ) usage ; exit 1 ;; - "V" | "fcheck" | "version" ) ferror "${scriptfile} version ${systemctlversion}" ; exit 1 ;; + "u" | "usage" | "help" | "h" ) usage ; exit 0 ;; + "V" | "fcheck" | "version" ) ferror "${scriptfile} version ${systemctlversion}" ; exit 0 ;; #"i" | "infile" | "inputfile" ) getval ; infile1=${tempval} ;; "c" | "conf" | "conffile" | "config" ) getval ; conffile="${tempval}" ;; "now" ) export SYSTEMCTL_NOW=1 ;; @@ -109,10 +129,10 @@ test -z "${frameworkscript}" && echo "$0: framework ${f_needed} not found. Try s . ${frameworkscript} || echo "$0: framework did not run properly. Continuing..." 1>&2 infile1= outfile1= -logfile=/var/log/systemctl.log +define_if_new logfile "/var/log/systemctl.log" define_if_new interestedparties "bgstack15@gmail.com" # SIMPLECONF -#define_if_new default_conffile "/etc/systemctl/systemctl.conf" +define_if_new default_conffile "/etc/systemdtl.conf" #define_if_new defuser_conffile ~/.config/systemctl/systemctl.conf #define_if_new SYSTEMCTL_TMPDIR "$( mktemp -d )" #tmpfile1="$( TMPDIR="${SYSTEMCTL_TMPDIR}" mktemp )" @@ -162,21 +182,21 @@ test -z "${__debug_set_by_param}" && fisnum "${SYSTEMCTL_DEBUG}" && debug="${SYS # exit 2 #fi -## LOAD CONFIG FROM SIMPLECONF -## This section follows a simple hierarchy of precedence, with first being used: -## 1. parameters and flags -## 2. environment -## 3. config file -## 4. default user config: ~/.config/script/script.conf -## 5. default config: /etc/script/script.conf -#if test -f "${conffile}" ; -#then -# get_conf "${conffile}" -#else -# if test "${conffile}" = "${default_conffile}" || test "${conffile}" = "${defuser_conffile}" ; then : ; else test -n "${conffile}" && ferror "${scriptfile}: Ignoring conf file which is not found: ${conffile}." ; fi -#fi -#test -f "${defuser_conffile}" && get_conf "${defuser_conffile}" -#test -f "${default_conffile}" && get_conf "${default_conffile}" +# LOAD CONFIG FROM SIMPLECONF +# This section follows a simple hierarchy of precedence, with first being used: +# 1. parameters and flags +# 2. environment +# 3. config file +# 4. default user config: ~/.config/script/script.conf +# 5. default config: /etc/script/script.conf +if test -f "${conffile}" ; +then + get_conf "${conffile}" +else + if test "${conffile}" = "${default_conffile}" || test "${conffile}" = "${defuser_conffile}" ; then : ; else test -n "${conffile}" && ferror "${scriptfile}: Ignoring conf file which is not found: ${conffile}." ; fi +fi +test -f "${defuser_conffile}" && get_conf "${defuser_conffile}" +test -f "${default_conffile}" && get_conf "${default_conffile}" # CONFIGURE VARIABLES AFTER PARAMETERS @@ -223,7 +243,7 @@ test -z "${__debug_set_by_param}" && fisnum "${SYSTEMCTL_DEBUG}" && debug="${SYS # SET TRAPS #trap "CTRLC" 2 #trap "CTRLZ" 18 -trap '__ec=$? ; clean_systemctl ; trap "" 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ; exit ${__ec} ;' 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 +#trap '__ec=$? ; clean_systemctl ; trap "" 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ; exit ${__ec} ;' 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 # DEBUG SIMPLECONF debuglev 5 && { @@ -234,7 +254,7 @@ debuglev 5 && { # MAIN LOOP #{ - #printf "%s\n" "${*}" >> "${logfile}" + printf "%s\n" "${*}" >> "${logfile}" #echo "thiscount=${thiscount}" #x=1 #while test ${x:-${thiscount}} -le $(( thiscount - 1 )) && test ${thiscount} -gt 1 ; @@ -247,7 +267,12 @@ debuglev 5 && { # actions actionlist="" case "${action}" in - start|stop|status) + + restart|start|stop|status|reload|condrestart|try-restart|reload-or-try-restart) + # re-map a few actions + case "${action}" in + "reload-or-try-restart") action=restart ;; + esac x=1 while test ${x:-${thiscount}} -le $(( thiscount - 1 )) && test ${thiscount} -gt 1 ; do @@ -258,12 +283,95 @@ debuglev 5 && { x=$(( x + 1 )) done ;; - enable|disable) - # action should be update-rc.d ${thisopt} ${action} - echo "WORK IN PROGRESS" + + enable|disable|mask|unmask) + case "${action}" in + mask) action=disable ;; + unmask) action=enable ;; + esac + x=1 + while test ${x:-${thiscount}} -le $(( thiscount - 1 )) && test ${thiscount} -gt 1 ; + do + eval thisopt="\${opt${x}}" + thisopt="$( echo "${thisopt}" | sed -r -e 's/\.service$//;' )" + actionstatement="$( printf "%s" "update-rc.d ${thisopt} ${action};" )" + actionlist="${actionlist:+${actionlist} }${actionstatement}" + test "${SYSTEMCTL_NOW}" = "1" && { + case "${action}" in + enable) + nowaction=start + ;; + disable) + nowaction=stop + ;; + esac + actionstatement="$( printf "%s" "service ${thisopt} ${nowaction:-stop};" )" + actionlist="${actionlist:+${actionlist} }${actionstatement}" + } + x=$(( x + 1 )) + done + ;; + + daemon-reload) + debuglev 1 && echo "${action} is a NOP." ;; + + list-unit-files) + # Future improvement: can consume --full, but I do not care enough to deal with it now. + ls -Al /etc/init.d + ;; + + is-enabled) + currentrunlevel="$( who -r | grep -oE 'run-level\s+[[:digit:]]+' | awk '{print $NF}' )" + responsenumber=1 + + # loop through each service on the command line + x=1 + while test ${x:-${thiscount}} -le $(( thiscount - 1 )) && test ${thiscount} -gt 1 ; + do + eval thisopt="\${opt${x}}" + thisopt="$( echo "${thisopt}" | sed -r -e 's/\.service$//;' )" + #actionstatement="$( printf "%s" "service ${thisopt} ${action};" )" + scriptfile="$( find "/etc/rc${currentrunlevel}.d" -mindepth 1 -maxdepth 1 -name "S??${thisopt}" 2>/dev/null )" + responsetext="disabled" + # if file exists, let us return 0. + if test -n "${scriptfile}" ; + then + debuglev 2 && echo "${scriptfile}" + responsenumber=0 # any "enabled" response makes systemctl return 0 + responsetext="enabled" + fi + echo "${responsetext:-UNKNOWN}" + x=$(( x + 1 )) + done + exit "${responsenumber}" + ;; + + is-active) + responsenumber=3 + x=1 + while test ${x:-${thiscount}} -le $(( thiscount - 1 )) && test ${thiscount} -gt 1 ; + do + eval thisopt="\${opt${x}}" + thisopt="$( echo "${thisopt}" | sed -r -e 's/\.service$//;' )" + #actionstatement="$( printf "%s" "service ${thisopt} ${action};" )" + servicestatus="$( service "${thisopt}" status 1>/dev/null 2>&1 ; echo "${?}" )" + responsetext="stopped" + # if file exists, let us return 0. + if test ${servicestatus:-1} -eq 0 ; + then + responsenumber=0 + responsetext="active" + fi + echo "${responsetext:-unknown}" + x=$(( x + 1 )) + done + exit "${responsenumber}" + ;; + *) ferror "Fatal! 2. Unable to understand action ${action}. Aborted." + exit 2 ;; esac |