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#!/bin/bash
# Stop on error
set -e
if [ "$1" == "configure" ] && [ -z "$2" ]; then
# Code here executes only during package install (but not during upgrade)
# Create a system user
# -r: System user
# -s /sbin/nologin: Prevent the user from logging into the system interactively
# -d /var/lib/fs-spring-boot-kamal: Set home directory of user
# fs-spring-boot-kamal: Username
useradd -r -s /sbin/nologin -d /var/lib/fs-spring-boot-kamal fs-spring-boot-kamal || true
fi
# Set directory ownership and permissions - Application jar file not to be read by other system users
chown -R root:fs-spring-boot-kamal /opt/mycompany/fs-spring-boot-kamal
chmod 755 /opt/mycompany
chmod 750 /opt/mycompany/fs-spring-boot-kamal
chmod 750 /opt/mycompany/fs-spring-boot-kamal/app
chmod 640 /opt/mycompany/fs-spring-boot-kamal/app/fs-spring-boot-kamal.jar
# Set directory ownership and permissions - Config files not to be read by other system users
chown -R root:fs-spring-boot-kamal /etc/fs-spring-boot-kamal
chmod 750 /etc/fs-spring-boot-kamal
chmod 640 /etc/fs-spring-boot-kamal/application.yaml
chmod 640 /etc/fs-spring-boot-kamal/environment.env
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
if [ -d /run/systemd/system ]; then
# Reload systemd service configurations
systemctl daemon-reload > /dev/null || true
if [ -n "$2" ]; then
# Upgrade
# Restart service
if systemctl is-enabled fs-spring-boot-kamal > /dev/null; then
systemctl start fs-spring-boot-kamal
fi
else
# First install (not upgrade)
# Enable service to start at boot time
systemctl enable fs-spring-boot-kamal
# Start service
systemctl start fs-spring-boot-kamal
fi
fi
fi
if [ "$1" == "configure" ] && [ -z "$2" ]; then
# Code here executes only during package install (but not during upgrade)
echo "[INFO] fs-spring-boot-kamal service installed."
echo "[INFO] Update /etc/fs-spring-boot-kamal/application.yaml to update the configuration."
echo "[INFO] By default, TCP port 8085 is used by the installed server."
echo "[INFO] To allow access from remote systems, you may have to enable firewall for example by running:"
echo "[INFO] ufw allow 8085/tcp"
fi
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