#!/usr/bin/env bash

# Copyright (c) 2021-2025 community-scripts ORG
# Author: Andy Grunwald (andygrunwald)
# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
# Source: https://github.com/prometheus-pve/prometheus-pve-exporter

source /dev/stdin <<< "$FUNCTIONS_FILE_PATH"
color
verb_ip6
catch_errors
setting_up_container
network_check
update_os

msg_info "Installing Dependencies"
$STD apt-get install -y \
  curl \
  sudo \
  mc
msg_ok "Installed Dependencies"

msg_info "Setup Python3"
$STD apt-get install -y \
  python3 \
  python3-pip
rm -rf /usr/lib/python3.*/EXTERNALLY-MANAGED
msg_ok "Setup Python3"

msg_info "Installing Prometheus Proxmox VE Exporter"
python3 -m pip install --quiet --root-user-action=ignore prometheus-pve-exporter
mkdir -p /opt/prometheus-pve-exporter
cat <<EOF > /opt/prometheus-pve-exporter/pve.yml
default:
    user: prometheus@pve
    password: sEcr3T!
    verify_ssl: false
EOF
msg_ok "Installed Prometheus Proxmox VE Exporter"

msg_info "Creating Service"
cat <<EOF >/etc/systemd/system/prometheus-pve-exporter.service
[Unit]
Description=Prometheus Proxmox VE Exporter
Documentation=https://github.com/znerol/prometheus-pve-exporter
After=syslog.target network.target

[Service]
User=root
Restart=always
Type=simple
ExecStart=pve_exporter \
    --config.file=/opt/prometheus-pve-exporter/pve.yml \
    --web.listen-address=0.0.0.0:9221
ExecReload=/bin/kill -HUP \$MAINPID

[Install]
WantedBy=multi-user.target
EOF

systemctl enable -q --now prometheus-pve-exporter
msg_ok "Created Service"

motd_ssh
customize

msg_info "Cleaning up"
$STD apt-get -y autoremove
$STD apt-get -y autoclean
msg_ok "Cleaned"