[0.23.x] Support dual stack network, IP v4 and v6

jboss/container/wildfly/launch-config/config/added/launch/launch.sh

@@ -126,7 +126,7 @@ function launchServer() {
   local imgVersion=${JBOSS_IMAGE_VERSION:-$IMAGE_VERSION}
   log_info "Running $imgName image, version $imgVersion"
 
-  ${cmd} ${JAVA_PROXY_OPTIONS} ${JBOSS_HA_ARGS} ${JBOSS_MESSAGING_ARGS} ${CLI_EXECUTION_OPTS}  &
+  ${cmd} -bmanagement ${SERVER_BIND_ALL_ADDR} -bbindall ${SERVER_BIND_ALL_ADDR} ${JAVA_PROXY_OPTIONS} ${JBOSS_HA_ARGS} ${JBOSS_MESSAGING_ARGS} ${CLI_EXECUTION_OPTS}  &
 
   local pid=$!
 

jboss/container/wildfly/launch-config/os/added/launch/launch-common.sh

@@ -115,4 +115,106 @@ function splitAttributesStringIntoLines() {
   local temp
   temp=$(echo $input | sed "s|\" ${attribute_name}=\"|\" \n${attribute_name}=\"|g" | awk -F "\"" '{print $2}')
   echo "${temp}"
+}
+
+# retrieves the first IP v6 address
+function get_host_ipv6() {
+  unset -v "$1" || echo "Invalid identifier: $1" >&2
+
+  local input="/proc/net/if_inet6"
+
+  if [ ! -f "$input" ]; then
+    log_error "$input file doesn't exist. Can't discover ip v6 address."
+    exit 1
+  fi
+  local count=0
+  while IFS= read -r line
+  do
+    arr=($line)
+    address=${arr[0]}
+    # Skip loopback and link local addresses
+    if [ $address != "00000000000000000000000000000001" ] && [[ $address != fe80* ]]; then
+      if [ -z "$ipv6" ]; then
+        local ipv6="${address:0:4}:${address:4:4}:${address:8:4}:${address:12:4}:${address:16:4}:${address:20:4}:${address:24:4}:${address:28:4}"
+      fi
+      count=$((count+1))
+    fi
+  done < "$input"
+
+  if [[ "$count" == "0" ]]; then
+    log_error "No IP v6 address found. Can't configure IPv6"
+    exit 1
+  fi
+
+  if [[ "$count" != "1" ]]; then
+    log_warning "get_host_ipv6() returned $count ipv6 addresses, only the first address $ipv6 will be used. To use different address please set $JBOSS_HA_IP and $JBOSS_MESSAGING_HOST."
+  fi
+
+  printf -v "$1" '%s' "${ipv6}"
+}
+
+#
+# Find the first ipv4 address of the host
+# The host could have 1 or more ipv4 addresses
+# For this function we need to return a single ipv4 address
+#
+# /proc/net/fib_tree contains the Forwarding Information Base table
+#
+# awk is using a block-pattern to filter lines with 32 or host
+#
+# python or other languages can not be used and it must be /bin/sh compatible
+#
+# depends on the following tools:
+# sh, awk, sort, uniq, grep, wc, head
+function get_host_ipv4() {
+  unset -v "$1" || echo "Invalid identifier: $1" >&2
+  local input="/proc/net/fib_trie"
+
+  if [ ! -f "$input" ]; then
+    log_error "$input file doesn't exist. Can't discover ip v4 address."
+    exit 1
+  fi
+  local allIPs=$(awk '/32 host/ { print f } {f=$2}' <<< "$(<$input)" | sort -n | uniq | grep -v '127.0.0.')
+  local count=$(echo "$allIPs" | wc -l)
+
+  local ipv4=$(echo "$allIPs" | head -n1)
+
+  if [[ "$count" == "0" ]]; then
+    log_error "No IP v4 address found."
+    exit 1
+  fi
+  if [[ "$count" != "1" ]]; then
+    log_warning "get_host_ipv4() returned $count ipv4 addresses, only the first address $ipv4 will be used. To use different address please set \$JBOSS_HA_IP and \$JBOSS_MESSAGING_HOST."
+  fi
+  printf -v "$1" '%s' "${ipv4}"
+}
+
+# Retrieves the ip v4 (the default) or ip v6 (if SERVER_USE_IPV6 env variable is set).
+# The passed argument is a name of a variable that will be set by this function
+# Usage:
+# local ip=
+# get_host_ip_address "ip"
+# echo $ip
+function get_host_ip_address() {
+  if [ "xxx$SERVER_USE_IPV6" == "xxxtrue" ]; then
+    get_host_ipv6 "$1"
+  else
+    get_host_ipv4 "$1"
+  fi
+}
+
+function get_bind_all_address() {
+  if [ "xxx$SERVER_USE_IPV6" == "xxxtrue" ]; then
+    echo "::" 
+  else
+    echo "0.0.0.0"
+  fi
+}
+
+function get_loopback_address() {
+  if [ "xxx$SERVER_USE_IPV6" == "xxxtrue" ]; then
+    echo "::1" 
+  else
+    echo "127.0.0.1"
+  fi
 }

jboss/container/wildfly/launch/ip-address/added/ip.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+# only processes a single environment as the placeholder is not preserved
+
+source $JBOSS_HOME/bin/launch/logging.sh
+
+function prepareEnv() {
+  unset SERVER_USE_IPV6
+}
+
+function configure() {
+  configure_ip
+}
+
+function configureEnv() {
+  configure
+}
+
+function configure_ip() {
+  SERVER_IP_ADDR=
+  get_host_ip_address "SERVER_IP_ADDR"
+  export SERVER_IP_ADDR
+  SERVER_BIND_ALL_ADDR=$(get_bind_all_address)
+  export SERVER_BIND_ALL_ADDR
+  SERVER_LOOPBACK_ADDRESS=$(get_loopback_address)
+  export SERVER_LOOPBACK_ADDRESS
+  log_info "Server IP address $SERVER_IP_ADDR, bindAll adress $SERVER_BIND_ALL_ADDR"
+  if [ "xxx$SERVER_USE_IPV6" == "xxxtrue" ]; then
+    JAVA_OPTS_APPEND="-Djava.net.preferIPv4Stack=false -Djava.net.preferIPv6Addresses=true $JAVA_OPTS_APPEND"
+    export JAVA_OPTS_APPEND
+  fi
+}

jboss/container/wildfly/launch/ip-address/configure.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -e
+
+SCRIPT_DIR=$(dirname $0)
+ADDED_DIR=${SCRIPT_DIR}/added
+
+mkdir -p ${JBOSS_HOME}/bin/launch/
+cp -p ${ADDED_DIR}/ip.sh ${JBOSS_HOME}/bin/launch/

jboss/container/wildfly/launch/ip-address/module.yaml

@@ -0,0 +1,10 @@
+schema_version: 1
+name: jboss.container.wildfly.launch.ip-address
+version: '1.0'
+description: Configure ip address.
+execute:
+  - script: configure.sh
+    user: '185'
+envs:
+  - name: "SERVER_USE_IPV6"
+    description: By default IP v4 is used. Set this env variable to true to enable IP v6.

jboss/container/wildfly/launch/jgroups/added/launch/ha.sh

@@ -289,8 +289,7 @@ generate_dns_ping_config() {
 
 configure_ha_args() {
   # Set HA args
-  IP_ADDR=`hostname -i`
-  JBOSS_HA_ARGS="-b ${JBOSS_HA_IP:-${IP_ADDR}} -bprivate ${JBOSS_HA_IP:-${IP_ADDR}}"
+  JBOSS_HA_ARGS="-b ${JBOSS_HA_IP:-${SERVER_IP_ADDR}} -bprivate ${JBOSS_HA_IP:-${SERVER_IP_ADDR}}"
 
   init_node_name
 

jboss/container/wildfly/launch/jgroups/test/ha.bats

@@ -156,7 +156,7 @@ EOF
 # check that non-empty OPENSHIFT_DNS_PING_SERVICE_NAME is present when using dns.DNS_PING
 @test "Generate JGroups ping config - dns.DNS_PING requires service name" {
     expected=$(cat <<EOF
-/tmp/jboss_home/bin/launch/ha.sh: line 295: init_node_name: command not found
+/tmp/jboss_home/bin/launch/ha.sh: line 294: init_node_name: command not found
 ERROR Environment variable OPENSHIFT_DNS_PING_SERVICE_NAME is required when using dns.DNS_PING ping protocol. Please refer to the documentation for configuration.
 EOF
 )

jboss/container/wildfly/launch/keycloak/added/keycloak.sh

@@ -1015,7 +1015,6 @@ function configure_client() {
       client_config="${client_config},\"attributes\":{\"saml.signing.certificate\":\"${pem}\"${server_signature}}"
     fi
   else
-    service_addr=$(hostname -i)
     client_config="{\"redirectUris\":[${redirects}]"
 
     if [ -n "$HOSTNAME_HTTP" ]; then

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:-${SERVER_IP_ADDR}}
     JBOSS_MESSAGING_ARGS="${JBOSS_MESSAGING_ARGS} -Djboss.messaging.host=${IP_ADDR}"
 }
 # /subsystem=messaging-activemq/server=default/jms-queue=queue_name:add(entries=[])