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#!/bin/bash
set -e
# Here don't need to remove/purge the tedge_mapper, tedge_agent, and tedge_watchdog packages explicitly,
# as they will be removed by removing the tedge package.
packages=("tedge" "tedge_apt_plugin" "tedge_apama_plugin" "c8y_log_plugin" "c8y_configuration_plugin")
extension_services=("tedge-watchdog.service" "tedge-mapper-collectd.service" "c8y-log-plugin.service" "c8y-configuration-plugin.service")
clouds=("c8y" "az")
usage() {
cat <<EOF
USAGE:
uninstall-thin-edge_io.sh [COMMAND]
COMMANDS:
remove Uninstall thin-edge.io with keeping configuration files
purge Uninstall thin-edge.io and also remove configuration files
EOF
}
disconnect_from_cloud() {
for cloud in "${clouds[@]}"; do
if [ -f "/etc/tedge/mosquitto-conf/$cloud-bridge.conf" ]; then
sudo tedge disconnect "$cloud"
fi
done
}
stop_extension_services() {
for service in "${extension_services[@]}"; do
status=$(sudo systemctl is-active "$service") || true
if [ "$status" = "active" ]; then
sudo systemctl stop "$service"
fi
done
}
remove_or_purge_package_if_exists() {
disconnect_from_cloud
stop_extension_services
for package in "${packages[@]}"; do
status=$(dpkg -s "$package" | grep -w installed) || true
if [ "$status" = "Status: install ok installed" ]; then
sudo apt --assume-yes "$1" "$package"
fi
done
}
if [ $# -eq 1 ]; then
DELETE_OR_PURGE=$1
if [ "$DELETE_OR_PURGE" = 'remove' ]; then
remove_or_purge_package_if_exists "remove"
elif [ "$DELETE_OR_PURGE" = 'purge' ]; then
remove_or_purge_package_if_exists "purge"
fi
else
usage
fi
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