CLOUD-4046 Deploy on dual-stack ocp4.8 fails

On a dual-stack OpenShift cluster the command 'hostname -i' gives two IPs back. We only need one IP, either IPv4 or IPv6, to build JBOSS_HA_ARGS. https://issues.redhat.com/browse/CLOUD-4046
wildfly · Nov 9, 2021 · 4f80dd9 · 4f80dd9
1 parent 4fb0725
commit 4f80dd9
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Showing 4 changed files with 19 additions and 4 deletions.
diff --git a/jboss/container/wildfly/launch-config/os/added/launch/launch-common.sh b/jboss/container/wildfly/launch-config/os/added/launch/launch-common.sh
@@ -115,4 +115,19 @@ function splitAttributesStringIntoLines() {
   local temp
   temp=$(echo $input | sed "s|\" ${attribute_name}=\"|\" \n${attribute_name}=\"|g" | awk -F "\"" '{print $2}')
   echo "${temp}"
-}
+}
+
+# Find the ipv4 address of the host
+# The host could have 1 or more ipv4 and/or ipv6 addresses
+# For this function we need to return a single ipv4 address
+function get_host_ipv4() {
+ mapfile < <(awk '/32 host/ { print f } {f=$2}' <<< "$(</proc/net/fib_trie)" | sort -n | uniq | grep -v '127.0.0.')
+
+ if [[ "${#MAPFILE[*]}" != "1" ]]
+ then
+  echo "WARNING: get_host_ipv4() returned ${#MAPFILE[*]} ipv4 addresses, only the first ${MAPFILE[0]} will be used. To override this value, please set JBOSS_HA_IP."
+ fi
+
+ echo "${MAPFILE[0]}"
+}
+
diff --git a/jboss/container/wildfly/launch/jgroups/added/launch/ha.sh b/jboss/container/wildfly/launch/jgroups/added/launch/ha.sh
@@ -287,7 +287,7 @@ generate_dns_ping_config() {
 
 configure_ha_args() {
   # Set HA args
-  IP_ADDR=`hostname -i`
+  IP_ADDR=$(get_host_ipv4)
   JBOSS_HA_ARGS="-b ${JBOSS_HA_IP:-${IP_ADDR}} -bprivate ${JBOSS_HA_IP:-${IP_ADDR}}"
 
   init_node_name

diff --git a/jboss/container/wildfly/launch/keycloak/added/keycloak.sh b/jboss/container/wildfly/launch/keycloak/added/keycloak.sh
@@ -791,7 +791,7 @@ function configure_client() {
       client_config="${client_config},\"attributes\":{\"saml.signing.certificate\":\"${pem}\"${server_signature}}"
     fi
   else
-    service_addr=$(hostname -i)
+    service_addr=$(get_host_ipv4)
     client_config="{\"redirectUris\":[${redirects}]"
 
     if [ -n "$HOSTNAME_HTTP" ]; then

diff --git a/jboss/container/wildfly/launch/messaging/added/launch/messaging.sh b/jboss/container/wildfly/launch/messaging/added/launch/messaging.sh
@@ -77,7 +77,7 @@ function configure() {
 }
 
 function configure_artemis_address() {
-    IP_ADDR=${JBOSS_MESSAGING_HOST:-`hostname -i`}
+    IP_ADDR=${JBOSS_MESSAGING_HOST:-$(get_host_ipv4)}
     JBOSS_MESSAGING_ARGS="${JBOSS_MESSAGING_ARGS} -Djboss.messaging.host=${IP_ADDR}"
 }
 # /subsystem=messaging-activemq/server=default/jms-queue=queue_name:add(entries=[])