New Script: Prometheus Proxmox VE Exporter (#1805)

* New Script: Prometheus Proxmox VE Exporter

See https://github.com/prometheus-pve/prometheus-pve-exporter

* Fix formatting of config file output after installation

* Prometheus Proxmox VE Exporter: Set category 1 for Website

* Removed blank lines

* Remove `python3-dev`, as it was commented out

* Prometheus Proxmox VE Exporter: Move configuration under /opt

* Prometheus Proxmox VE Exporter: Add logo

* Change `msg_info "Updating Python3"` to `msg_info "Setup Python3"`

* Removed empty line

* Add note about Proxmox credentials into the website

* Temp: Replace GitHub URLs to test my fork

* Set correct `APP="Prometheus-PVE-Exporter"`

* Add `--root-user-action=ignore` to pip call (as root)

* Revert "Temp: Replace GitHub URLs to test my fork"

This reverts commit 2308d48376.

ct/prometheus-pve-exporter.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+source <(curl -s https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+# 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
+
+# App Default Values
+APP="Prometheus-PVE-Exporter"
+var_tags="monitoring"
+var_cpu="1"
+var_ram="1024"
+var_disk="2"
+var_os="debian"
+var_version="12"
+var_unprivileged="1"
+
+# App Output & Base Settings
+header_info "$APP"
+base_settings
+
+# Core
+variables
+color
+catch_errors
+
+function update_script() {
+    header_info
+    check_container_storage
+    check_container_resources
+    if [[ ! -f /etc/systemd/system/prometheus-pve-exporter.service ]]; then
+        msg_error "No ${APP} Installation Found!"
+        exit
+    fi
+    msg_info "Stopping ${APP}"
+    systemctl stop prometheus-pve-exporter
+    msg_ok "Stopped ${APP}"
+
+    msg_info "Updating ${APP}"
+    pip install prometheus-pve-exporter --upgrade --root-user-action=ignore &>/dev/null
+    msg_ok "Updated ${APP}"
+
+    msg_info "Starting ${APP}"
+    systemctl start prometheus-pve-exporter
+    msg_ok "Started ${APP}"
+    msg_ok "Updated Successfully"
+    exit
+}
+
+start
+build_container
+description
+
+msg_ok "Completed Successfully!\n"
+echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${INFO}${YW} Access it using the following URL:${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:9221${CL}"