Add GSP_INIT_RETRY_WAIT variable

Author: t-anc

README.md

@@ -33,6 +33,7 @@ The following env variables can be used to configure the mod (all are optional)
 | `GSP_QBT_PASSWORD_FILE`|                         | Qbittorrent password file (for [docker secret](https://docs.docker.com/compose/use-secrets/) use). This supplants `GSP_QBT_PASSWORD`. |
 | `GSP_SKIP_INIT_CHECKS` |         `false`         | Set to `true` to disable qbt config checks ("Bypass authentication on localhost", etc). Set to `warning`to see check results but continue anyway.|
 | `GSP_MINIMAL_LOGS`     |         `true`          | Set to `false` to enable "Ports did not change." logs.                                                   |
+| `GSP_INIT_RETRY_WAIT`  |      `10` (=60s)        | Number of retries to connect to qbittorrent's webUI at startup. Each retry takes 6 seconds. Increase to allow a longer wait at startup.          |
 |     `GSP_DEBUG`        |         `false`         | Set to `true` to enable mod's `set -x`.<br>:warning: **FOR DEBUG ONLY.**                                 |
 
 I was planning on implementing the option to use Gluetun's port forwarding file but since it will be [deprecated in v4](https://github.com/qdm12/gluetun-wiki/blob/main/setup/advanced/vpn-port-forwarding.md#native-integrations), I won't.

root/etc/s6-overlay/s6-rc.d/svc-mod-gluetun-sync-port/run

@@ -5,6 +5,7 @@
 
 MAX_SLEEP_TIME="${GSP_SLEEP:-60}"
 RETRY_DELAY="${GSP_RETRY_DELAY:-10}"
+INIT_RETRY_WAIT="${GSP_INIT_RETRY_WAIT:-10}"
 [ "${MAX_SLEEP_TIME}" -eq "${RETRY_DELAY}" ] && (( RETRY_DELAY = RETRY_DELAY - 1 )) # To avoid errors later
 GLUETUN="${GSP_GTN_ADDR:-http://localhost:8000}"
 QBITTORRENT="${GSP_QBT_ADDR:-http://localhost:${WEBUI_PORT:-8080}}"
@@ -122,7 +123,8 @@ fi
 
 
 log "Waiting for Qbittorrent WebUI ..."
-curl --retry 10 --retry-all-errors --retry-delay 6 -s -o /dev/null "${QBITTORRENT}"
+curl --retry "${INIT_RETRY_WAIT}" --retry-all-errors --retry-delay 6 -s -o /dev/null "${QBITTORRENT}" || \
+log "Couldn't connect to webUI. Check the address, or maybe your instance is taking to long to start. You can adjust the GSP_INIT_RETRY_WAIT variable to wait longer."
 
 
 init_checks