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docker-entrypoint.sh
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docker-entrypoint.sh
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#!/bin/bash
set -eou pipefail
# usage: file_env VAR [DEFAULT]
# ie: file_env 'XYZ_DB_PASSWORD' 'example'
# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
# "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
file_env() {
local var="$1"
local fileVar="${var}_FILE"
local def="${2:-}"
if [[ ${!var:-} && ${!fileVar:-} ]]; then
echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
exit 1
fi
local val="$def"
if [[ ${!var:-} ]]; then
val="${!var}"
elif [[ ${!fileVar:-} ]]; then
val="$(< "${!fileVar}")"
fi
if [[ -n $val ]]; then
export "$var"="$val"
fi
unset "$fileVar"
}
SYS_PROPS=""
##################
# Add admin user #
##################
file_env 'KEYCLOAK_USER'
file_env 'KEYCLOAK_PASSWORD'
if [[ -n ${KEYCLOAK_USER:-} && -n ${KEYCLOAK_PASSWORD:-} ]]; then
/opt/jboss/keycloak/bin/add-user-keycloak.sh --user "$KEYCLOAK_USER" --password "$KEYCLOAK_PASSWORD"
fi
############
# Hostname #
############
if [[ -n ${KEYCLOAK_FRONTEND_URL:-} ]]; then
SYS_PROPS+="-Dkeycloak.frontendUrl=$KEYCLOAK_FRONTEND_URL"
fi
if [[ -n ${KEYCLOAK_HOSTNAME:-} ]]; then
SYS_PROPS+=" -Dkeycloak.hostname.provider=fixed -Dkeycloak.hostname.fixed.hostname=$KEYCLOAK_HOSTNAME"
if [[ -n ${KEYCLOAK_HTTP_PORT:-} ]]; then
SYS_PROPS+=" -Dkeycloak.hostname.fixed.httpPort=$KEYCLOAK_HTTP_PORT"
fi
if [[ -n ${KEYCLOAK_HTTPS_PORT:-} ]]; then
SYS_PROPS+=" -Dkeycloak.hostname.fixed.httpsPort=$KEYCLOAK_HTTPS_PORT"
fi
if [[ -n ${KEYCLOAK_ALWAYS_HTTPS:-} ]]; then
SYS_PROPS+=" -Dkeycloak.hostname.fixed.alwaysHttps=$KEYCLOAK_ALWAYS_HTTPS"
fi
fi
################
# Realm import #
################
if [[ -n ${KEYCLOAK_IMPORT:-} ]]; then
SYS_PROPS+=" -Dkeycloak.import=$KEYCLOAK_IMPORT"
fi
########################
# JGroups bind options #
########################
if [[ -z ${BIND:-} ]]; then
BIND=$(hostname --all-ip-addresses)
fi
if [[ -z ${BIND_OPTS:-} ]]; then
for BIND_IP in $BIND
do
BIND_OPTS+=" -Djboss.bind.address=$BIND_IP -Djboss.bind.address.private=$BIND_IP "
done
fi
SYS_PROPS+=" $BIND_OPTS"
#########################################
# Expose management console for metrics #
#########################################
if [[ -n ${KEYCLOAK_STATISTICS:-} ]] ; then
SYS_PROPS+=" -Djboss.bind.address.management=0.0.0.0"
fi
#################
# Configuration #
#################
# If the server configuration parameter is not present, append the HA profile.
if echo "$@" | grep -E -v -- '-c |-c=|--server-config |--server-config='; then
SYS_PROPS+=" -c=standalone-ha.xml"
fi
# Adding support for JAVA_OPTS_APPEND
sed -i '$a\\n# Append to JAVA_OPTS. Necessary to prevent some values being omitted if JAVA_OPTS is defined directly\nJAVA_OPTS=\"\$JAVA_OPTS \$JAVA_OPTS_APPEND\"' /opt/jboss/keycloak/bin/standalone.conf
############
# DB setup #
############
file_env 'DB_USER'
file_env 'DB_PASSWORD'
# Lower case DB_VENDOR
if [[ -n ${DB_VENDOR:-} ]]; then
DB_VENDOR=$(echo "$DB_VENDOR" | tr "[:upper:]" "[:lower:]")
fi
# Detect DB vendor from default host names
if [[ -z ${DB_VENDOR:-} ]]; then
if (getent hosts postgres &>/dev/null); then
export DB_VENDOR="postgres"
elif (getent hosts mysql &>/dev/null); then
export DB_VENDOR="mysql"
elif (getent hosts mariadb &>/dev/null); then
export DB_VENDOR="mariadb"
elif (getent hosts oracle &>/dev/null); then
export DB_VENDOR="oracle"
elif (getent hosts mssql &>/dev/null); then
export DB_VENDOR="mssql"
fi
fi
# Detect DB vendor from legacy `*_ADDR` environment variables
if [[ -z ${DB_VENDOR:-} ]]; then
if (printenv | grep '^POSTGRES_ADDR=' &>/dev/null); then
export DB_VENDOR="postgres"
elif (printenv | grep '^MYSQL_ADDR=' &>/dev/null); then
export DB_VENDOR="mysql"
elif (printenv | grep '^MARIADB_ADDR=' &>/dev/null); then
export DB_VENDOR="mariadb"
elif (printenv | grep '^ORACLE_ADDR=' &>/dev/null); then
export DB_VENDOR="oracle"
elif (printenv | grep '^MSSQL_ADDR=' &>/dev/null); then
export DB_VENDOR="mssql"
fi
fi
# Default to H2 if DB type not detected
if [[ -z ${DB_VENDOR:-} ]]; then
export DB_VENDOR="h2"
fi
# if the DB_VENDOR is postgres then append port to the DB_ADDR
function append_port_db_addr() {
local db_host_regex='^[a-zA-Z0-9]([a-zA-Z0-9]|-|.)*:[0-9]{4,5}$'
IFS=',' read -ra addresses <<< "$DB_ADDR"
DB_ADDR=""
for i in "${addresses[@]}"; do
if [[ $i =~ $db_host_regex ]]; then
DB_ADDR+=$i;
else
DB_ADDR+="${i}:${DB_PORT}";
fi
DB_ADDR+=","
done
DB_ADDR=$(echo $DB_ADDR | sed 's/.$//') # remove the last comma
}
# Set DB name
case "$DB_VENDOR" in
postgres)
DB_NAME="PostgreSQL"
if [[ -z ${DB_PORT:-} ]] ; then
DB_PORT="5432"
fi
append_port_db_addr
;;
mysql)
DB_NAME="MySQL";;
mariadb)
DB_NAME="MariaDB";;
oracle)
DB_NAME="Oracle";;
h2)
DB_NAME="Embedded H2";;
mssql)
DB_NAME="Microsoft SQL Server";;
*)
echo "Unknown DB vendor $DB_VENDOR"
exit 1
esac
if [ "$DB_VENDOR" != "mssql" ]; then
# Append '?' in the beginning of the string if JDBC_PARAMS value isn't empty
JDBC_PARAMS=$(echo "${JDBC_PARAMS:-}" | sed '/^$/! s/^/?/')
else
JDBC_PARAMS=${JDBC_PARAMS:-}
fi
export JDBC_PARAMS
# Convert deprecated DB specific variables
function set_legacy_vars() {
local suffixes=(ADDR DATABASE USER PASSWORD PORT)
for suffix in "${suffixes[@]}"; do
local varname="$1_$suffix"
if [[ -n ${!varname:-} ]]; then
echo WARNING: "$varname" variable name is DEPRECATED replace with DB_"$suffix"
export DB_"$suffix=${!varname}"
fi
done
}
set_legacy_vars "$(echo "$DB_VENDOR" | tr "[:upper:]" "[:lower:]")"
# Configure DB
echo "========================================================================="
echo ""
echo " Using $DB_NAME database"
echo ""
echo "========================================================================="
echo ""
configured_file="/opt/jboss/configured"
if [ ! -e "$configured_file" ]; then
touch "$configured_file"
if [ "$DB_VENDOR" != "h2" ]; then
/bin/sh /opt/jboss/tools/databases/change-database.sh $DB_VENDOR
fi
/opt/jboss/tools/x509.sh
/opt/jboss/tools/jgroups.sh
/opt/jboss/tools/infinispan.sh
/opt/jboss/tools/statistics.sh
/opt/jboss/tools/vault.sh
/opt/jboss/tools/autorun.sh
fi
##################
# Start Keycloak #
##################
exec /opt/jboss/keycloak/bin/standalone.sh $SYS_PROPS $@
exit $?