meta-digi-dey: fix systemd-cat not found in network scripts

This commit fixes the error message when specific network scripts
are launched.

Signed-off-by: Mike Engel <Mike.Engel@digi.com>

https://jira.digi.com/browse/DEL-6728

meta-digi-dey/recipes-connectivity/networkmanager/networkmanager/ifdownup

@@ -19,7 +19,11 @@
 #
 
 log() {
-	systemd-cat -p "${1}" -t ifdownup printf "%s" "${2}"
+	if type "systemd-cat" >/dev/null 2>/dev/null; then
+		systemd-cat -p "${1}" -t ifdownup printf "%s" "${2}"
+	else
+		logger -p "${1}" -t ifdownup "${2}"
+	fi
 }
 
 log info "device-connectivity-change detected on interface ${DEVICE_IP_IFACE}"

meta-digi-dey/recipes-connectivity/networkmanager/networkmanager/p2pbridge

@@ -22,7 +22,11 @@
 [ "${CONNECTION_ID}" = "p2p-bridge" ] || exit 0
 
 log() {
-	systemd-cat -p "${1}" -t p2pbridge printf "%s" "${2}"
+	if type "systemd-cat" >/dev/null 2>/dev/null; then
+		systemd-cat -p "${1}" -t p2pbridge printf "%s" "${2}"
+	else
+		logger -p "${1}" -t p2pbridge "${2}"
+	fi
 }
 
 case "${NM_DISPATCHER_ACTION}" in

meta-digi-dey/recipes-core/init-ifupdown/init-ifupdown-1.0/p2plink

@@ -30,7 +30,11 @@
 [ "${IFACE}" = "p2p0" ] || exit 0
 
 log() {
-	systemd-cat -p "${1}" -t p2plink printf "%s" "${2}"
+	if type "systemd-cat" >/dev/null 2>/dev/null; then
+		systemd-cat -p "${1}" -t p2plink printf "%s" "${2}"
+	else
+		logger -p "${1}" -t p2plink "${2}"
+	fi
 }
 
 # Exit without error if the peer MAC address is not available

meta-digi-dey/recipes-core/system-monitor/files/system-monitor.sh

@@ -23,7 +23,11 @@
 WDOG_TIME_SEC=$((WATCHDOG_USEC / 1000000 / 4))
 
 log() {
-	systemd-cat -p "${1}" -t system-monitor printf "%s" "${2}"
+	if type "systemd-cat" >/dev/null 2>/dev/null; then
+		systemd-cat -p "${1}" -t system-monitor printf "%s" "${2}"
+	else
+		logger -p "${1}" -t system-monitor "${2}"
+	fi
 }
 
 checks_failed=0