Working OpenTelemetry sidecar (base nginx image) (#8719)

* Delete entrypoint script and add sidecar lib path

* make otel libs path otel specific

* add description

* remove library path adaption from nginx base image

images/nginx/rootfs/Dockerfile

@@ -31,10 +31,8 @@ ENV LUA_CPATH="/usr/local/lib/lua/?/?.so;/usr/local/lib/lua/?.so;;"
 COPY --from=builder /usr/local /usr/local
 COPY --from=builder /opt /opt
 COPY --from=builder /etc/nginx /etc/nginx
-COPY --from=builder entrypoint.sh /usr/local/entrypoint.sh
 
-RUN chmod +x /usr/local/entrypoint.sh \
+RUN apk update \
-  && apk update \
   && apk upgrade \
   && apk add -U --no-cache \
   bash \
@@ -73,6 +71,4 @@ RUN chmod +x /usr/local/entrypoint.sh \
 
 EXPOSE 80 443
 
-ENTRYPOINT ["/usr/local/entrypoint.sh"]
-
 CMD ["nginx", "-g", "daemon off;"]

images/nginx/rootfs/entrypoint.sh

@@ -1,27 +0,0 @@
-#!/bin/bash
-
-# Copyright 2022 The Kubernetes Authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-set -o errexit
-set -o nounset
-set -o pipefail
-
-if [ -d "/modules_mount/etc/nginx/modules" ]; then
-	for dir in /modules_mount/etc/nginx/modules/*; do
-		cp "$dir"/* "/etc/nginx/modules/$(basename "$dir")"
-	done
-fi
-
-exec "$@"