add optional swag_server_custom_directive label

Author: aptalca

README.md

@@ -16,6 +16,7 @@ This mod gives SWAG the ability to auto-detect running containers via labels and
 - `swag_url=containername.domain.com` - *optional* - overrides *server_name* (defaults to `containername.*`)
 - `swag_auth=authelia` - *optional* - enables auth methods (options are `authelia`, `authentik`, `ldap` and `http` for basic http auth)
 - `swag_auth_bypass=/api,/othersubfolder` - *optional* - bypasses auth for selected subfolders. Comma separated, no spaces.
+- `swag_server_custom_directive=custom_directive;` - *optional* - injects the label value as is into the server block of the generated conf. Must be a valid nginx directive, ending with a semi colon.
 
 
 In SWAG docker arguments, set an environment variable `DOCKER_MODS=linuxserver/mods:universal-docker|linuxserver/mods:swag-auto-proxy` and either add a volume mapping for `/var/run/docker.sock:/var/run/docker.sock:ro`, or set an environment var `DOCKER_HOST=remoteaddress`.

root/app/auto-proxy.sh

@@ -13,7 +13,7 @@ else
             AUTO_GEN="${CONTAINER} ${AUTO_GEN}"
         else
             INSPECTION=$(docker inspect ${CONTAINER})
-            for VAR in swag_address swag_port swag_proto swag_url swag_auth swag_auth_bypass; do
+            for VAR in swag_address swag_port swag_proto swag_url swag_auth swag_auth_bypass swag_server_custom_directive; do
                 VAR_VALUE=$(echo ${INSPECTION} | jq -r ".[0].Config.Labels[\"${VAR}\"]")
                 if [ "${VAR_VALUE}" == "null" ]; then
                     VAR_VALUE=""
@@ -40,7 +40,7 @@ fi
 for CONTAINER in ${AUTO_GEN}; do
     INSPECTION=$(docker inspect ${CONTAINER})
     rm -rf "/auto-proxy/${CONTAINER}.conf"
-    for VAR in swag_address swag_port swag_proto swag_url swag_auth swag_auth_bypass; do
+    for VAR in swag_address swag_port swag_proto swag_url swag_auth swag_auth_bypass swag_server_custom_directive; do
         VAR_VALUE=$(echo ${INSPECTION} | jq -r ".[0].Config.Labels[\"${VAR}\"]")
         if [ "${VAR_VALUE}" == "null" ]; then
             VAR_VALUE=""
@@ -71,6 +71,11 @@ for CONTAINER in ${AUTO_GEN}; do
             sed -i "s|server_name .*|server_name ${SED_swag_url};|" "/etc/nginx/http.d/auto-proxy-${CONTAINER}.subdomain.conf"
             echo "**** Overriding url as ${swag_url} for ${CONTAINER} ****"
         fi
+        if [ -n "${swag_server_custom_directive}" ]; then
+            SED_swag_server_custom_directive=$(sed -e 's/[&\\|]/\\&/g; s|$|\\|; $s|\\$||' <<<"${swag_server_custom_directive}")
+            sed -i -e '/include.*ssl.conf;/a\' -e "    ${SED_swag_server_custom_directive}" "/etc/nginx/http.d/auto-proxy-${CONTAINER}.subdomain.conf"
+            echo "**** Adding custom directive from the swag_server_custom_directive label for ${CONTAINER} ****"
+        fi
         if [ "${swag_auth}" == "authelia" ]; then
             sed -i "s|#include /config/nginx/authelia|include /config/nginx/authelia|g" "/etc/nginx/http.d/auto-proxy-${CONTAINER}.subdomain.conf"
             echo "**** Enabling Authelia for ${CONTAINER} ****"
@@ -137,6 +142,11 @@ DUDE
         SED_swag_url=$(sed -e 's/[&\\|]/\\&/g; s|$|\\|; $s|\\$||' <<<"${swag_url}")
         sed -i "s|server_name .*|server_name ${SED_swag_url};|" "/etc/nginx/http.d/auto-proxy-${CONTAINER}.subdomain.conf"
         echo "**** Setting url ${swag_url} for ${CONTAINER} ****"
+        if [ -n "${swag_server_custom_directive}" ]; then
+            SED_swag_server_custom_directive=$(sed -e 's/[&\\|]/\\&/g; s|$|\\|; $s|\\$||' <<<"${swag_server_custom_directive}")
+            sed -i -e '/include.*ssl.conf;/a\' -e "    ${SED_swag_server_custom_directive}" "/etc/nginx/http.d/auto-proxy-${CONTAINER}.subdomain.conf"
+            echo "**** Adding custom directive from the swag_server_custom_directive label for ${CONTAINER} ****"
+        fi
         if [ "${swag_auth}" == "authelia" ]; then
             sed -i "s|#include /config/nginx/authelia|include /config/nginx/authelia|g" "/etc/nginx/http.d/auto-proxy-${CONTAINER}.subdomain.conf"
             echo "**** Enabling Authelia for ${CONTAINER} ****"