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diff -uNr a/heartbeat/IPaddr2 b/heartbeat/IPaddr2
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--- a/heartbeat/IPaddr2 2018-06-27 10:29:08.000000000 +0200
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+++ b/heartbeat/IPaddr2 2018-06-29 16:01:50.538797379 +0200
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@@ -80,6 +80,7 @@
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OCF_RESKEY_arp_bg_default=true
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OCF_RESKEY_run_arping_default=false
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OCF_RESKEY_preferred_lft_default="forever"
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+OCF_RESKEY_monitor_retries="1"
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: ${OCF_RESKEY_lvs_support=${OCF_RESKEY_lvs_support_default}}
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: ${OCF_RESKEY_lvs_ipv6_addrlabel=${OCF_RESKEY_lvs_ipv6_addrlabel_default}}
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@@ -92,6 +93,7 @@
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: ${OCF_RESKEY_arp_bg=${OCF_RESKEY_arp_bg_default}}
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: ${OCF_RESKEY_run_arping=${OCF_RESKEY_run_arping_default}}
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: ${OCF_RESKEY_preferred_lft=${OCF_RESKEY_preferred_lft_default}}
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+: ${OCF_RESKEY_monitor_retries=${OCF_RESKEY_monitor_retries_default}}
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#######################################################################
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SENDARP=$HA_BIN/send_arp
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@@ -368,6 +370,18 @@
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<content type="string" default="${OCF_RESKEY_preferred_lft_default}"/>
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</parameter>
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+<parameter name="monitor_retries">
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+<longdesc lang="en">
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+Set number of retries to find interface in monitor-action.
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+
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+ONLY INCREASE IF THE AGENT HAS ISSUES FINDING YOUR NIC DURING THE
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+MONITOR-ACTION. A HIGHER SETTING MAY LEAD TO DELAYS IN DETECTING
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+A FAILURE.
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+</longdesc>
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+<shortdesc lang="en">Number of retries to find interface in monitor-action</shortdesc>
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+<content type="string" default="${OCF_RESKEY_monitor_retries_default}"/>
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+</parameter>
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+
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</parameters>
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<actions>
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<action name="start" timeout="20s" />
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@@ -536,15 +550,26 @@
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find_interface() {
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local ipaddr="$1"
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local netmask="$2"
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+ local iface=""
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#
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# List interfaces but exclude FreeS/WAN ipsecN virtual interfaces
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#
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- local iface="`$IP2UTIL -o -f $FAMILY addr show \
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+ for i in $(seq 1 $OCF_RESKEY_monitor_retries); do
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+ iface="`$IP2UTIL -o -f $FAMILY addr show \
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| grep "\ $ipaddr/$netmask" \
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| cut -d ' ' -f2 \
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| grep -v '^ipsec[0-9][0-9]*$'`"
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+ if [ -n "$iface" ]; then
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+ break
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+ fi
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+
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+ if [ $OCF_RESKEY_monitor_retries -gt 1 ]; then
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+ sleep 1
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+ fi
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+ done
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+
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echo "$iface"
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return 0
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}
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