From 293ead4f356bc14b3e4ad6ff40c3a0efb79becb8 Mon Sep 17 00:00:00 2001
From: Jose Diaz-Gonzalez <email@josediazgonzalez.com>
Date: Wed, 10 Aug 2022 21:31:57 -0400
Subject: [PATCH] feat: force-disable the --init flag for linuxserver images

All linuxserver images uses S6, and there are enough of them that this makes sense to autodetect on behalf of users.
---
 docs/deployment/schedulers/docker-local.md                 | 2 ++
 .../scheduler-docker-local/bin/scheduler-deploy-process    | 7 +++++++
 2 files changed, 9 insertions(+)

diff --git a/docs/deployment/schedulers/docker-local.md b/docs/deployment/schedulers/docker-local.md
index da9039a79..b4f9359d4 100644
--- a/docs/deployment/schedulers/docker-local.md
+++ b/docs/deployment/schedulers/docker-local.md
@@ -51,6 +51,8 @@ Once set, you may re-enable it by setting a blank value for `init-process`:
 dokku scheduler-docker-local:set node-js-app init-process
 ```
 
+All image containers with the label `org.opencontainers.image.vendor=linuxserver.io` will have the automatic init process injection force-disabled without further intervention.
+
 ### Deploying Process Types in Parallel
 
 > New as of 0.25.5
diff --git a/plugins/scheduler-docker-local/bin/scheduler-deploy-process b/plugins/scheduler-docker-local/bin/scheduler-deploy-process
index 68b0eac5d..3d946b0e5 100755
--- a/plugins/scheduler-docker-local/bin/scheduler-deploy-process
+++ b/plugins/scheduler-docker-local/bin/scheduler-deploy-process
@@ -7,6 +7,7 @@ source "$PLUGIN_AVAILABLE_PATH/checks/functions"
 main() {
   declare APP="$1" IMAGE_SOURCE_TYPE="$2" IMAGE="$3" IMAGE_TAG="$4" PROC_TYPE="$5" PROC_COUNT="$6"
   local CONTAINER_INDEX=1
+  local image_vendor
 
   dokku_log_info1 "Deploying $PROC_TYPE (count=$PROC_COUNT)"
   DOKKU_CHECKS_DISABLED="$(is_app_proctype_checks_disabled "$APP" "$PROC_TYPE")"
@@ -36,6 +37,12 @@ main() {
   done
 
   INJECT_INIT_FLAG="$(fn-plugin-property-get "scheduler-docker-local" "$APP" "init-process" "true")"
+  # special-case linuxserver.io images as those always use an s6-overlay
+  image_vendor="$("$DOCKER_BIN" image inspect --format '{{ index .Config.Labels "org.opencontainers.image.vendor" }}' "$IMAGE")"
+  if [[ "$image_vendor" == "linuxserver.io" ]]; then
+    INJECT_INIT_FLAG="false"
+  fi
+
   PARALLEL_DEPLOY_COUNT="$(plugn trigger "app-json-process-deploy-parallelism" "$APP" "$PROC_TYPE")"
   DOKKU_CHECKS_DISABLED="$DOKKU_CHECKS_DISABLED" parallel --will-cite --halt soon,fail=1 --jobs "$PARALLEL_DEPLOY_COUNT" --ungroup <"$PROCESS_TMP_FILE"