File 0014-More-robust-approach-of-getting-MAC-address.patch of Package resource-agents.11510

From 207a2ba66ba7196180d27674aa204980fcd25de2 Mon Sep 17 00:00:00 2001
From: krojzl <tomas_krojzl@cz.ibm.com>
Date: Fri, 19 Apr 2019 11:14:21 +0200
Subject: [PATCH] More robust approach of getting MAC address

---
 heartbeat/aws-vpc-move-ip | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/heartbeat/aws-vpc-move-ip b/heartbeat/aws-vpc-move-ip
index 2910552f..3a848b7e 100755
--- a/heartbeat/aws-vpc-move-ip
+++ b/heartbeat/aws-vpc-move-ip
@@ -219,15 +219,28 @@ ec2ip_drop() {
 }
 
 ec2ip_get_and_configure() {
-	cmd="ip -br link show dev $OCF_RESKEY_interface | tr -s ' ' | cut -d' ' -f3"
-	ocf_log debug "executing command: $cmd"
-	MAC_ADDR="$(eval $cmd)"
-	rc=$?
-	if [ $rc != 0 ]; then
-		ocf_log warn "command failed, rc: $rc"
-		return $OCF_ERR_GENERIC
+	MAC_FILE="/sys/class/net/${OCF_RESKEY_interface}/address"
+	if [ -f $MAC_FILE ]; then
+		cmd="cat ${MAC_FILE}"
+		ocf_log debug "executing command: $cmd"
+		MAC_ADDR="$(eval $cmd)"
+		rc=$?
+		if [ $rc != 0 ]; then
+			ocf_log warn "command failed, rc: $rc"
+			return $OCF_ERR_GENERIC
+		fi
+		ocf_log debug "MAC address associated with interface ${OCF_RESKEY_interface}: ${MAC_ADDR}"
+	else
+		cmd="ip -br link show dev ${OCF_RESKEY_interface} | tr -s ' ' | cut -d' ' -f3"
+		ocf_log debug "executing command: $cmd"
+		MAC_ADDR="$(eval $cmd)"
+		rc=$?
+		if [ $rc != 0 ]; then
+			ocf_log warn "command failed, rc: $rc"
+			return $OCF_ERR_GENERIC
+		fi
+		ocf_log debug "MAC address associated with interface ${OCF_RESKEY_interface}: ${MAC_ADDR}"
 	fi
-	ocf_log debug "MAC address associated with interface ${OCF_RESKEY_interface}: ${MAC_ADDR}"
 
 	cmd="curl -s http://169.254.169.254/latest/meta-data/network/interfaces/macs/${MAC_ADDR}/interface-id"
 	ocf_log debug "executing command: $cmd"
-- 
2.16.4