Check all host changes for config validity but only reload nginx once

Author: FoxxMD

root/app/auto-proxy.sh

@@ -1,6 +1,7 @@
 #!/usr/bin/with-contenv bash
 
 AUTO_GEN=""
+REMOVED_CONTAINERS=""
 # figure out which containers to generate confs for or which confs to remove
 if [ ! -f /auto-proxy/enabled_containers_"$DOCKER_HOST_NAME" ]; then
     docker ps --filter "label=swag=enable" --format "{{.Names}}" > /auto-proxy/enabled_containers_"$DOCKER_HOST_NAME"
@@ -187,11 +188,26 @@ DUDE
     fi
 done
 
-if ([ -n "${AUTO_GEN}" ] || [ "${REMOVED_CONTAINERS}" == "true" ]) && ps aux | grep [n]ginx: > /dev/null; then 
-    if /usr/sbin/nginx -c /config/nginx/nginx.conf -t; then
-        echo "**** Changes to nginx config are valid, reloading nginx ****"
-        /usr/sbin/nginx -c /config/nginx/nginx.conf -s reload
-    else
-        echo "**** Changes to nginx config are not valid, skipping nginx reload. Please double check the config including the auto-proxy confs. ****"
-    fi
+if [ "${DIAG_EXIT}" == "true" ]; then
+  if ([ -n "${AUTO_GEN}" ] || [ "${REMOVED_CONTAINERS}" == "true" ]) && ps aux | grep [n]ginx: > /dev/null; then
+        if /usr/sbin/nginx -c /config/nginx/nginx.conf -t; then
+            echo "**** $DOCKER_HOST_NAME - Changes to nginx config are valid ****"
+            return 200;
+        else
+            echo "**** $DOCKER_HOST_NAME - Changes to nginx config are not valid. Please double check the config including the auto-proxy confs. ****"
+            return 201;
+        fi
+  else
+    return 0;
+  fi
+else
+  if ([ -n "${AUTO_GEN}" ] || [ "${REMOVED_CONTAINERS}" == "true" ]) && ps aux | grep [n]ginx: > /dev/null; then
+      if /usr/sbin/nginx -c /config/nginx/nginx.conf -t; then
+          echo "**** $DOCKER_HOST_NAME - Changes to nginx config are valid, reloading nginx ****"
+          /usr/sbin/nginx -c /config/nginx/nginx.conf -s reload
+      else
+          echo "**** $DOCKER_HOST_NAME - Changes to nginx config are not valid, skipping nginx reload. Please double check the config including the auto-proxy confs. ****"
+      fi
+  fi
 fi
+

root/app/docker-wrap.sh

@@ -1,5 +1,9 @@
 #!/usr/bin/with-contenv bash
 
+RELOAD_NGINX="false"
+NGINX_VALID="true"
+DIAG_EXIT="true"
+
 HOST_TLD_ORIG=${AUTO_PROXY_HOST_TLD:=*}
 if [[ -v FIRST_RUN ]];then
   echo '**** Auto Proxy - first-run ****'
@@ -33,6 +37,12 @@ if [[ -v DOCKER_HOST ]];then
       echo "**** Auto Proxy - Generating proxies for => Host: ${DOCKER_HOST} | Name: ${DOCKER_HOST_NAME:-N/A} | Default Upstream IP: ${UPSTREAM_HOST} | Host TLD: ${AUTO_PROXY_HOST_TLD} ****"
     fi
     . /app/auto-proxy.sh
+    RES=$?
+    if [ $RES == 201 ]; then
+      NGINX_VALID="false"
+    elif [ $RES == 200 ]; then
+      RELOAD_NGINX="true"
+    fi
 
     let INDEX=${INDEX}+1
   done
@@ -46,7 +56,19 @@ if [ -S /var/run/docker.sock ]; then
   unset DOCKER_HOST
   unset UPSTREAM_HOST
   . /app/auto-proxy.sh
+  RES=$?
+  if [ $RES == 201 ]; then
+    NGINX_VALID="false"
+  elif [ $RES == 200 ]; then
+    RELOAD_NGINX="true"
+  fi
 fi
+
+if [ "${NGINX_VALID}" == "true" ] && [ "${RELOAD_NGINX}" == "true" ]; then
+  echo "**** All changes to nginx config are valid, reloading nginx ****"
+  /usr/sbin/nginx -c /config/nginx/nginx.conf -s reload
+fi
+
 if [[ -v FIRST_RUN ]];then
   echo '**** Auto Proxy - first-run finished ****'
 fi