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Add some rc templates.

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This commit is contained in:
Darren 'Tadgy' Austin 2022-10-11 00:56:24 +01:00
commit 124253e11b
3 changed files with 284 additions and 27 deletions
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50
templates/rc.d/rc.template
View file

@ -1,24 +1,24 @@
#!/bin/bash
# Version: 0.3.1
# Version: 0.4.0
# Copyright (c) 2005-2022:
# Darren 'Tadgy' Austin <darren (at) afterdark.org.uk>
# Licensed under the terms of the GNU General Public License version 3.
EXEC="%BUILD_PREFIX%/"
ARGS=()
PIDFILE=""
SERVICE_EXEC="%BUILD_PREFIX%/EDITME"
SERVICE_ARGS=('EDITME')
SERVICE_PIDFILE="EDITME"
# Allow configuration in /etc/default to override.
# Additional available variables:
# ENVIRONMENT=() # Extra environment passed to $EXEC. Must be an array.
# EXTRA_ARGS=() # Extra arguments passed to $EXEC. Must be an array.
# SERVICE_ENVIRONMENT=() # Extra environment passed to $SERVICE_EXEC. Must be an array.
# SERVICE_EXTRA_ARGS=() # Extra arguments passed to $SERVICE_EXEC. Must be an array.
# SLAY_DELAY="" # Delay between the SIGTERM and SIGKILL on a 'stop'. Default: 2s.
# RESTART_DELAY="" # Delay between stopping and starting on a 'restart'. Default: 2s.
# shellcheck disable=SC1090
[[ -e "/etc/default/${0##*rc.}" ]] && { source "/etc/default/${0##*rc.}" || return 1 2>/dev/null || exit 1; }
error() {
printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "${EXEC##*/}" "$*" >&2
printf "%s: %s\\n" "${BASH_SOURCE[0]##*/}" "$*" >&2
}
checkconfigured() {
@ -31,40 +31,40 @@ checkconfigured() {
checkstatus() {
# shellcheck disable=SC2155
local RUNPIDS="$({ pgrep -f "$EXEC"; pgrep -F "$PIDFILE" 2>/dev/null; } | sort -u )"
local RUNPIDS="$({ pgrep -f "$SERVICE_EXEC"; pgrep -F "$SERVICE_PIDFILE" 2>/dev/null; } | sort -u )"
if [[ -n "$RUNPIDS" ]]; then
printf "%s: %s: %s" "${BASH_SOURCE[0]##*/}" "${EXEC##*/}" "running"
if [[ -n "$PIDFILE" ]]; then
if [[ ! -e "$PIDFILE" ]]; then
printf "%s: %s: %s" "${BASH_SOURCE[0]##*/}" "${SERVICE_EXEC##*/}" "running"
if [[ -n "$SERVICE_PIDFILE" ]]; then
if [[ ! -e "$SERVICE_PIDFILE" ]]; then
printf "%s" ", but .pid file does not exist"
elif ! grep "\<$(<"$PIDFILE")\>" <<<"$RUNPIDS" >/dev/null 2>&1; then
elif ! grep "\<$(<"$SERVICE_PIDFILE")\>" <<<"$RUNPIDS" >/dev/null 2>&1; then
printf "%s" ", but .pid file is stale"
fi
fi
printf "\\n"
else
printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "${EXEC##*/}" "stopped"
printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "${SERVICE_EXEC##*/}" "stopped"
return 1
fi
return 0
}
startdaemon() {
if [[ ! -e "$EXEC" ]]; then
error "not found"
if [[ ! -e "$SERVICE_EXEC" ]]; then
error "not found: $SERVICE_EXEC"
return 2
elif [[ ! -x "$EXEC" ]]; then
error "not executable"
elif [[ ! -x "$SERVICE_EXEC" ]]; then
error "not executable: $SERVICE_EXEC"
return 2
elif ! checkconfigured; then
error "not started - pre-start checks failed"
return 2
fi
# shellcheck disable=SC2048,SC2086
${ENVIRONMENT:+declare ${ENVIRONMENT[*]};} "$EXEC" ${ARGS[*]} ${EXTRA_ARGS[*]}
${SERVICE_ENVIRONMENT:+declare ${SERVICE_ENVIRONMENT[*]};} "$SERVICE_EXEC" ${SERVICE_ARGS[*]} ${SERVICE_EXTRA_ARGS[*]}
# shellcheck disable=SC2181
if (( $? != 0 )); then
error "error starting daemon"
error "error starting '${SERVICE_EXEC##*/}'"
return 2
else
return 0
@ -72,15 +72,15 @@ startdaemon() {
}
stopdaemon() {
kill -TERM "$(pgrep -f "$EXEC" | tr $'\n' " ")" >/dev/null 2>&1
[[ -e "$PIDFILE" ]] && {
kill -TERM "$(pgrep -f "$SERVICE_EXEC" | tr $'\n' " ")" >/dev/null 2>&1
[[ -e "$SERVICE_PIDFILE" ]] && {
sleep 0.5
kill -TERM "$(<"$PIDFILE")" >/dev/null 2>&1
kill -TERM "$(<"$SERVICE_PIDFILE")" >/dev/null 2>&1
}
sleep "${SLAY_DELAY:-2}"
checkstatus >/dev/null && {
error "failed to stop gracefully - slaying"
kill -KILL "$({ cat "$PIDFILE"; pgrep -f "$EXEC"; } 2>/dev/null | sort -u | tr $'\n' " ")" >/dev/null 2>&1
kill -KILL "$({ cat "$SERVICE_PIDFILE"; pgrep -f "$SERVICE_EXEC"; } 2>/dev/null | sort -u | tr $'\n' " ")" >/dev/null 2>&1
}
return 0
}
@ -88,7 +88,7 @@ stopdaemon() {
case "$1" in
'start')
if checkstatus >/dev/null; then
error "already running"
error "${SERVICE_EXEC##*/}: already running"
printf " %s\\n" "Try: ${BASH_SOURCE[0]} status" >&2
RET=1
else
@ -98,7 +98,7 @@ case "$1" in
;;
'stop')
if ! checkstatus >/dev/null; then
error "not running"
error "${SERVICE_EXEC##*/}: not running"
printf " %s\\n" "Try: ${BASH_SOURCE[0]} status" >&2
RET=1
else

122
templates/rc.d/rc.template-daemon Executable file
View file

@ -0,0 +1,122 @@
#!/bin/bash
# Version: 0.4.0-daemon
# Copyright (c) 2005-2022:
# Darren 'Tadgy' Austin <darren (at) afterdark.org.uk>
# Licensed under the terms of the GNU General Public License version 3.
SERVICE_EXEC="%BUILD_PREFIX%/EDITME"
SERVICE_ARGS=('EDITME')
DAEMON_EXEC="/usr/bin/daemon"
DAEMON_ARGS=('-N' '-n' "${0##*rc.}" '-r' '-a' '60' '-A' '5' '-L' '3600' '-M' '3' '-l' 'daemon.err' '-b' 'daemon.debug' '-o' 'daemon.info' '--')
# Allow configuration in /etc/default to override.
# Additional available variables:
# SERVICE_ENVIRONMENT=() # Extra environment passed to $SERVICE_EXEC. Must be an array.
# SERVICE_EXTRA_ARGS=() # Extra arguments passed to $SERVICE_EXEC. Must be an array.
# DAEMON_ENVIRONMENT=() # Extra environment passed to $DAEMON_EXEC. Must be an array.
# DAEMON_EXTRA_ARGS=() # Extra arguments passed to $DAEMON_EXEC. Must be an array.
# SLAY_DELAY="" # Delay between the SIGTERM and SIGKILL on a 'stop'. Default: 2s.
# RESTART_DELAY="" # Delay between stopping and starting on a 'restart'. Default: 2s.
# shellcheck disable=SC1090
[[ -e "/etc/default/${0##*rc.}" ]] && { source "/etc/default/${0##*rc.}" || return 1 2>/dev/null || exit 1; }
error() {
printf "%s: %s\\n" "${BASH_SOURCE[0]##*/}" "$*" >&2
}
checkconfigured() {
# This function can be used to perform any pre-start tests; hopfully to insure the daemon
# can start correctly, before actually trying to start it. A return value of 0 means the
# tests were passed and the daemon should be started. Any other value prevents the
# daemon from being started, and an error message will be emitted.
return 0
}
checkstatus() {
if "$DAEMON_EXEC" --running -n "${0##*rc.}"; then
printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "${SERVICE_EXEC##*/}" "running"
return 0
else
printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "${SERVICE_EXEC##*/}" "stopped"
return 1
fi
}
startdaemon() {
local EXEC
for EXEC in "$SERVICE_EXEC" "$DAEMON_EXEC"; do
if [[ ! -e "$EXEC" ]]; then
error "not found: $EXEC"
return 2
elif [[ ! -x "$EXEC" ]]; then
error "not executable: $EXEC"
return 2
fi
done
checkconfigured || {
error "not started - pre-start checks failed"
return 2
}
# shellcheck disable=SC2048,SC2046,SC2086
${DAEMON_ENVIRONMENT:+declare ${DAEMON_ENVIRONMENT[*]};} "$DAEMON_EXEC" ${DAEMON_ARGS[*]} ${DAEMON_EXTRA_ARGS[*]} \
$(printf -- "-e \"%s\" " "${SERVICE_ENVIRONMENT[@]}") "$SERVICE_EXEC" ${SERVICE_ARGS[*]} ${SERVICE_EXTRA_ARGS[*]}
# shellcheck disable=SC2181
if (( $? != 0 )); then
error "error starting '${DAEMON_EXEC##*/}:'"
return 2
else
return 0
fi
}
stopdaemon() {
"$DAEMON_EXEC" -n "${0##*rc.}" --stop 2>/dev/null
sleep "${SLAY_DELAY:-2}"
checkstatus >/dev/null && {
error "failed to stop gracefully - slaying"
"$DAEMON_EXEC" -n "${0##*rc.}" --signal=kill 2>/dev/null
}
return 0
}
case "$1" in
'start')
if checkstatus >/dev/null; then
error "${SERVICE_EXEC##*/}: already running"
printf " %s\\n" "Try: ${BASH_SOURCE[0]} status" >&2
RET=1
else
startdaemon
RET=$?
fi
;;
'stop')
if ! checkstatus >/dev/null; then
error "${SERVICE_EXEC##*/}: not running"
printf " %s\\n" "Try: ${BASH_SOURCE[0]} status" >&2
RET=1
else
stopdaemon
RET=$?
fi
;;
'restart')
checkstatus >/dev/null
(( $? != 3 )) && {
stopdaemon >/dev/null 2>&1
sleep "${RESTART_DELAY:-2}"
}
startdaemon
RET=$?
;;
'status')
checkstatus
RET=$?
;;
*)
printf "%s\\n" "Usage: ${BASH_SOURCE[0]} <start|stop|restart|status>" >&2
RET=1
;;
esac
return $RET 2>/dev/null || exit $RET

135
templates/rc.d/rc.template-daemon-runuser Executable file
View file

@ -0,0 +1,135 @@
#!/bin/bash
# Version: 0.4.0-daemon-runuser
# Copyright (c) 2005-2022:
# Darren 'Tadgy' Austin <darren (at) afterdark.org.uk>
# Licensed under the terms of the GNU General Public License version 3.
SERVICE_EXEC="%BUILD_PREFIX%/EDITME"
SERVICE_ARGS=('EDITME')
SERVICE_RUNUSER="EDITME"
DAEMON_EXEC="/usr/bin/daemon"
DAEMON_ARGS=('-N' '-n' "${0##*rc.}" '-r' '-a' '60' '-A' '5' '-L' '3600' '-M' '3' '-l' 'daemon.err' '-b' 'daemon.debug' '-o' 'daemon.info' '--')
# Allow configuration in /etc/default to override.
# Additional available variables:
# SERVICE_ENVIRONMENT=() # Extra environment passed to $SERVICE_EXEC. Must be an array.
# SERVICE_EXTRA_ARGS=() # Extra arguments passed to $SERVICE_EXEC. Must be an array.
# SERVICE_RUNUSER="" # Username to run the service as. Default: User who starts the script.
# DAEMON_ENVIRONMENT=() # Extra environment passed to $DAEMON_EXEC. Must be an array.
# DAEMON_EXTRA_ARGS=() # Extra arguments passed to $DAEMON_EXEC. Must be an array.
# SLAY_DELAY="" # Delay between the SIGTERM and SIGKILL on a 'stop'. Default: 2s.
# RESTART_DELAY="" # Delay between stopping and starting on a 'restart'. Default: 2s.
# shellcheck disable=SC1090
[[ -e "/etc/default/${0##*rc.}" ]] && { source "/etc/default/${0##*rc.}" || return 1 2>/dev/null || exit 1; }
error() {
printf "%s: %s\\n" "${BASH_SOURCE[0]##*/}" "$*" >&2
}
checkconfigured() {
# This function can be used to perform any pre-start tests; hopfully to insure the daemon
# can start correctly, before actually trying to start it. A return value of 0 means the
# tests were passed and the daemon should be started. Any other value prevents the
# daemon from being started, and an error message will be emitted.
return 0
}
checkstatus() {
id "${SERVICE_RUNUSER:-$(whoami)}" >/dev/null 2>&1 || {
error "invalid user: ${SERVICE_RUNUSER:-$(whoami)}"
return 2
}
if su - "${SERVICE_RUNUSER:-$(whoami)}" -c "\"$DAEMON_EXEC\" --running -n \"${0##*rc.}\""; then
printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "${SERVICE_EXEC##*/}" "running"
return 0
else
printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "${SERVICE_EXEC##*/}" "stopped"
return 1
fi
}
startdaemon() {
local EXEC
for EXEC in "$SERVICE_EXEC" "$DAEMON_EXEC"; do
if [[ ! -e "$EXEC" ]]; then
error "not found: $EXEC"
return 2
elif [[ ! -x "$EXEC" ]]; then
error "not executable: $EXEC"
return 2
fi
done
id "${SERVICE_RUNUSER:-$(whoami)}" >/dev/null 2>&1 || {
error "invalid user: ${SERVICE_RUNUSER:-$(whoami)}"
return 2
}
checkconfigured || {
error "not started - pre-start checks failed"
return 2
}
su - "${SERVICE_RUNUSER:-$(whoami)}" -c "${DAEMON_ENVIRONMENT:+declare ${DAEMON_ENVIRONMENT[*]};} \"$DAEMON_EXEC\" ${DAEMON_ARGS[*]} \
${DAEMON_EXTRA_ARGS[*]} $(printf -- "-e \"%s\" " "${SERVICE_ENVIRONMENT[@]}") \"$SERVICE_EXEC\" ${SERVICE_ARGS[*]} ${SERVICE_EXTRA_ARGS[*]}"
# shellcheck disable=SC2181
if (( $? != 0 )); then
error "error starting '${DAEMON_EXEC##*/}'"
return 2
else
return 0
fi
}
stopdaemon() {
id "${SERVICE_RUNUSER:-$(whoami)}" >/dev/null 2>&1 || {
error "invalid user: ${SERVICE_RUNUSER:-$(whoami)}"
return 2
}
su - "${SERVICE_RUNUSER:-$(whoami)}" -c "\"$DAEMON_EXEC\" -n \"${0##*rc.}\" --stop 2>/dev/null"
sleep "${SLAY_DELAY:-2}"
checkstatus >/dev/null && {
error "failed to stop gracefully - slaying"
su - "${SERVICE_RUNUSER:-$(whoami)}" -c "\"$DAEMON_EXEC\" -n \"${0##*rc.}\" --signal=kill 2>/dev/null"
}
return 0
}
case "$1" in
'start')
if checkstatus >/dev/null; then
error "${SERVICE_EXEC##*/}: already running"
printf " %s\\n" "Try: ${BASH_SOURCE[0]} status" >&2
RET=1
else
startdaemon
RET=$?
fi
;;
'stop')
if ! checkstatus >/dev/null; then
error "${SERVICE_EXEC##*/}: not running"
printf " %s\\n" "Try: ${BASH_SOURCE[0]} status" >&2
RET=1
else
stopdaemon
RET=$?
fi
;;
'restart')
checkstatus >/dev/null
(( $? != 3 )) && {
stopdaemon >/dev/null 2>&1
sleep "${RESTART_DELAY:-2}"
}
startdaemon
RET=$?
;;
'status')
checkstatus
RET=$?
;;
*)
printf "%s\\n" "Usage: ${BASH_SOURCE[0]} <start|stop|restart|status>" >&2
RET=1
;;
esac
return $RET 2>/dev/null || exit $RET