Updated cron startup process for ALPINE and fixed bugs

buildutils/APKBUILD.templ.in

@@ -113,7 +113,7 @@ package() {
 	#
 	# Install helper files
 	#
-	install -Dm755 src/"$pkgname"-helper      "$pkgdir"/usr/bin/"$pkgname"-helper
+	install -Dm755 src/"$pkgname"-helper      "$pkgdir"/usr/libexec/"$pkgname"-helper
 	install -Dm644 src/"$pkgname"-helper.conf "$pkgdir"/etc/antpickax/"$pkgname"-helper.conf
 
 	install -m 0777 -d "$pkgdir"/var/lib/antpickax

buildutils/k2hr3-get-resource.post-install

@@ -24,7 +24,8 @@
 #
 # Common variables
 #
-K2HR3_GET_RESOURCE_HELPER_FILE="/usr/bin/k2hr3-get-resource-helper"
+K2HR3_GET_RESOURCE_HELPER_FILE="/usr/libexec/k2hr3-get-resource-helper"
+K2HR3_GET_RESOURCE_HELPER_OPTION="--cron"
 CRONTAB_ROOT_FILE="/etc/crontabs/root"
 
 #
@@ -43,7 +44,7 @@ fi
 #
 # Setup crontab for root
 #
-if ! echo "* * * * * /bin/sh ${K2HR3_GET_RESOURCE_HELPER_FILE}" >> "${CRONTAB_ROOT_FILE}" 2>/dev/null; then
+if ! echo "*/15 * * * * /bin/sh ${K2HR3_GET_RESOURCE_HELPER_FILE} ${K2HR3_GET_RESOURCE_HELPER_OPTION}" >> "${CRONTAB_ROOT_FILE}" 2>/dev/null; then
 	echo "[ERROR] Failed to set root crontab." 1>&2
 	exit 1
 fi

buildutils/k2hr3-get-resource.pre-deinstall

@@ -24,15 +24,15 @@
 #
 # Common variables
 #
-K2HR3_GET_RESOURCE_HELPER_FILE="/usr/bin/k2hr3-get-resource-helper"
+K2HR3_GET_RESOURCE_HELPER_FILE="/usr/libexec/k2hr3-get-resource-helper"
 CRONTAB_ROOT_FILE="/etc/crontabs/root"
 
 if [ ! -f "${CRONTAB_ROOT_FILE}" ]; then
 	echo "[ERROR] Not found crontab file(${CRONTAB_ROOT_FILE}) for root." 1>&2
 	exit 1
 fi
 
-if ! sed -i -e "s|^.*${K2HR3_GET_RESOURCE_HELPER_FILE}[[:space:]]*$||g" "${CRONTAB_ROOT_FILE}"; then
+if ! sed -i -e "s|^.*${K2HR3_GET_RESOURCE_HELPER_FILE}[[:space:]]*.*$||g" "${CRONTAB_ROOT_FILE}"; then
 	echo "[WARNING] Failed to unset root crontab, but continue..." 1>&2
 fi
 

src/k2hr3-get-resource-helper

@@ -26,23 +26,9 @@ BASE_PRGNAME=$(echo "${PRGNAME}" | sed -e 's/\.*$//g')
 SCRIPTDIR=$(dirname "${0}")
 SCRIPTDIR=$(cd "${SCRIPTDIR}" || exit 1; pwd)
 
-#
-# Options
-#
-# [NOTE]
-# The option only accepts "-daemon".
-# If it is passed "-daemon" option, it acts as a daemon that waits
-# until the systemd k2hr3-get-resource.timer is disabled.
-# When k2hr3-get-resource.timer is disabled, the file that output the
-# resource is deleted and the process is terminated.
-#
-if [ -n "$1" ] && [ "$1" = "-daemon" ]; then
-	SCRIPT_MODE="daemon"
-else
-	SCRIPT_MODE="normal"
-fi
-USE_DAEMON=1
-
+#---------------------------------------------------------------------
+# Variables
+#---------------------------------------------------------------------
 #
 # systemd timer name
 #
@@ -356,6 +342,55 @@ get_value()
 	return 0
 }
 
+#---------------------------------------------------------------------
+# Parse Option
+#---------------------------------------------------------------------
+OPT_DAEMON=0
+OPT_CRON=0
+
+while [ $# -ne 0 ]; do
+	if [ -z "$1" ]; then
+		break;
+
+	elif echo "$1" | grep -q -i -e "^--daemon$" -e "^-daemon$"; then
+		if [ "${OPT_DAEMON}" -ne 0 ]; then
+			log_err "Already specified --daemon option."
+			exit 1
+		fi
+		OPT_DAEMON=1
+
+	elif echo "$1" | grep -q -i -e "^--cron" -e "^-cron"; then
+		if [ "${OPT_CRON}" -ne 0 ]; then
+			log_err "Already specified --cron option."
+			exit 1
+		fi
+		OPT_CRON=1
+
+	else
+		log_err "Unknown option : \"$1\""
+		exit 1
+	fi
+	shift
+done
+
+# [NOTE]
+# The option only accepts "-daemon".
+# If it is passed "-daemon" option, it acts as a daemon that waits
+# until the systemd k2hr3-get-resource.timer is disabled.
+# When k2hr3-get-resource.timer is disabled, the file that output the
+# resource is deleted and the process is terminated.
+#
+if [ "${OPT_DAEMON}" -eq 1 ]; then
+	SCRIPT_MODE="daemon"
+else
+	SCRIPT_MODE="normal"
+fi
+
+#
+# Default
+#
+USE_DAEMON=1
+
 #---------------------------------------------------------------------
 # Load configuration and check
 #---------------------------------------------------------------------
@@ -499,6 +534,27 @@ else
 	fi
 fi
 
+#
+# USE_CRON
+#
+if ! _TMP_VALUE=$(get_value "USE_CRON" "${CONFDIR}/${SCRIPT_CONF_FILE}" "${CONFDIR}/${OVERRIDE_FILE}"); then
+	if [ -z "${USE_CRON}" ]; then
+		log_err "There is no configuration value(USE_CRON) in configuration files and default value is empty."
+		exit 1
+	fi
+	log_info "There is no configuration value(USE_CRON) in configuration files, thus use default value(${USE_CRON})"
+else
+	if [ -n "${_TMP_VALUE}" ]; then
+		if [ "${_TMP_VALUE}" = "true" ] || [ "${_TMP_VALUE}" = "TRUE" ] || [ "${_TMP_VALUE}" = "1" ]; then
+			USE_CRON=1
+		elif [ "${_TMP_VALUE}" = "false" ] || [ "${_TMP_VALUE}" = "FALSE" ] || [ "${_TMP_VALUE}" = "0" ]; then
+			USE_CRON=0
+		else
+			log_warn "USE_CRON value in configuration is wrong value(${_TMP_VALUE}), then use default(${USE_CRON})."
+		fi
+	fi
+fi
+
 #
 # Check K2HR3 variables
 #	K2HR3_ROLE_TOKEN
@@ -518,6 +574,17 @@ else
 	exit 1
 fi
 
+#
+# Check launching from cron
+#
+if [ "${OPT_CRON}" -eq 1 ] && [ "${USE_CRON}" -eq 0 ]; then
+	#
+	# Nothing to do
+	#
+	log_info "The process was started via cron, but since cron startup is disabled, the execution will be canceled."
+	exit 0
+fi
+
 #---------------------------------------------------------------------
 # Main
 #---------------------------------------------------------------------

src/k2hr3-get-resource-helper.conf

@@ -108,6 +108,15 @@
 #
 # USE_DAEMON = true
 
+#---------------------------------------------------------------------
+# USE_CRON
+#---------------------------------------------------------------------
+# Spacify launching process from cron to start the monitoring.
+# If true or 1 is specified, it will be valid.
+# If false or 0 is specified, it will be invalid.(default)
+#
+# USE_CRON = false
+
 #
 # Local variables:
 # tab-width: 4