Add support for environment variables.

Author: LePresidente

rootfs/etc/cont-init.d/99_crowdsec-openresty-bouncer.sh

@@ -2,32 +2,53 @@
 
 set -e # Exit immediately if a command exits with a non-zero status.
 
-mkdir -p /config/crowdsec/templates
-echo "Deploy Crowdsec Openresty Bouncer.." 
-sed -i 's|/defaults/crowdsec|/config/crowdsec|' /etc/nginx/conf.d/crowdsec_openresty.conf
+function set_properties() {
+  sed -i "s,^$1=.*,$1=$2,g" "${3}"
+}
 
-if [ -f /data/crowdsec/crowdsec-openresty-bouncer.conf ]; then
-    echo "Patch crowdsec-openresty-bouncer.conf .." 
-    sed "s/=.*//g" /config/crowdsec/crowdsec-openresty-bouncer.conf > /tmp/crowdsec.conf.raw
-    sed "s/=.*//g" /defaults/crowdsec/crowdsec-openresty-bouncer.conf > /tmp/crowdsec-openresty-bouncer.conf.raw
-    if grep -vf /tmp/crowdsec.conf.raw /tmp/crowdsec-openresty-bouncer.conf.raw ; then
-        grep -vf /tmp/crowdsec.conf.raw /tmp/crowdsec-openresty-bouncer.conf.raw > /tmp/config.newvals
-        cp /config/crowdsec/crowdsec-openresty-bouncer.conf /config/crowdsec/crowdsec-openresty-bouncer.conf.bak
-        grep -f /tmp/config.newvals /defaults/crowdsec/crowdsec-openresty-bouncer.conf >> /config/crowdsec/crowdsec-openresty-bouncer.conf
-    fi
+echo "Deploy Crowdsec Openresty Bouncer.." 
+if [ -n "${CROWDSEC_OPENRESTY_BOUNCER}" ]; then
+   while IFS= read -r line
+   do 
+      if ! [[ "$line" != "^#" ]] || [[ "$line" != "^\n" ]]; then
+        name=$(echo "$line" | cut -d "=" -f1)
+        value=$(echo "$line" | cut -d "=" -f2)
+        if grep -q "${name}" /defaults/crowdsec/crowdsec-openresty-bouncer.conf ; then
+          set_properties "${name}" "${value}" "/defaults/crowdsec/crowdsec-openresty-bouncer.conf"
+        fi
+      fi
+   done <<< "${CROWDSEC_OPENRESTY_BOUNCER}"
 else
-    echo "Deploy new crowdsec-openresty-bouncer.conf .." 
-    cp /defaults/crowdsec/crowdsec-openresty-bouncer.conf /config/crowdsec/crowdsec-openresty-bouncer.conf    
+	mkdir -p /config/crowdsec/templates
+	sed -i 's|/defaults/crowdsec|/config/crowdsec|' /etc/nginx/conf.d/crowdsec_openresty.conf
+
+	if [ -f /data/crowdsec/crowdsec-openresty-bouncer.conf ]; then
+		echo "Patch crowdsec-openresty-bouncer.conf .." 
+		sed "s/=.*//g" /config/crowdsec/crowdsec-openresty-bouncer.conf > /tmp/crowdsec.conf.raw
+		sed "s/=.*//g" /defaults/crowdsec/crowdsec-openresty-bouncer.conf > /tmp/crowdsec-openresty-bouncer.conf.raw
+		if grep -vf /tmp/crowdsec.conf.raw /tmp/crowdsec-openresty-bouncer.conf.raw ; then
+			grep -vf /tmp/crowdsec.conf.raw /tmp/crowdsec-openresty-bouncer.conf.raw > /tmp/config.newvals
+			cp /config/crowdsec/crowdsec-openresty-bouncer.conf /config/crowdsec/crowdsec-openresty-bouncer.conf.bak
+			grep -f /tmp/config.newvals /defaults/crowdsec/crowdsec-openresty-bouncer.conf >> /config/crowdsec/crowdsec-openresty-bouncer.conf
+		fi
+	else
+		echo "Deploy new crowdsec-openresty-bouncer.conf .." 
+		cp /defaults/crowdsec/crowdsec-openresty-bouncer.conf /config/crowdsec/crowdsec-openresty-bouncer.conf    
+	fi
+	#Make sure the config location is where we get the config from instead of /default/
+	sed -i 's|/defaults/crowdsec|/data/crowdsec|' /data/crowdsec/crowdsec-openresty-bouncer.conf
 fi
-#Make sure the config location is where we get the config from instead of /default/
-sed -i 's|/defaults/crowdsec|/config/crowdsec|' /config/crowdsec/crowdsec-openresty-bouncer.conf
-echo "Deploy Crowdsec Templates .."
+
+
 #Make sure we only copy files that don't exist in /data/crowdsec.
-cd /defaults/crowdsec/templates/
-for file in *.html
-do
-  if [ ! -e "/config/crowdsec/templates/${file}" ]
-  then
-    cp -r "/defaults/crowdsec/templates/${file}" "/config/crowdsec/templates/"
-  fi
-done
+if [ -d "/data/crowdsec/templates" ]; then
+    echo "Deploy Crowdsec Templates .."
+    cd /defaults/crowdsec/templates/
+    for file in *.html
+    do
+        if [ ! -e "/config/crowdsec/templates/${file}" ]
+        then
+            cp -r "/defaults/crowdsec/templates/${file}" "/config/crowdsec/templates/"
+        fi
+    done
+fi