Fix -startup script (#5)

* Fix -startup script

* chmod fix

* use normal ubi image

---------

Co-authored-by: A <andrei.noga@sva.de>

Containerfile

@@ -1,11 +1,14 @@
-FROM registry.access.redhat.com/ubi8/ubi-init@sha256:d35aff7118921a3a2c2e78507fc7329b499b8fb09d290dc60a44eea6cdeb9b5c
+FROM registry.access.redhat.com/ubi8/ubi
 
 # Add repositories
 COPY zscaler.repo /etc/yum.repos.d/
 
+# Add startup script
+COPY start.sh /start.sh
+
 # Install packages and enable services
-RUN yum -y install zpa-connector rsyslog && \
+RUN yum -y install zpa-connector && \
     yum clean all && \
-    systemctl enable zpa-connector rsyslog
+    chmod +x /start.sh
 
-CMD [ "/sbin/init" ]
+CMD [ "/start.sh" ]

start.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+set -e
+
+chown -R zscaler /opt/zscaler
+if [ ! -f "/opt/zscaler/var/provision_key" ]; then
+    echo "Adding provisioning key from environment"
+    echo ${ZPA_PROVISION_KEY} > /opt/zscaler/var/provision_key
+fi
+
+cd /opt/zscaler/var
+
+ulimit -n 512000
+arch=$(uname -m)
+
+if [ "$arch" == 'aarch64' ] || [ ! -z "$LIMITED_MEM" ];
+then
+    exec /opt/zscaler/bin/zpa-connector -memory_arena_count 1 -container "$@"
+else
+    exec /opt/zscaler/bin/zpa-connector -container "$@"
+fi