189 lines
6.4 KiB
Bash
189 lines
6.4 KiB
Bash
#!/usr/bin/env bash
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# Copyright (c) 2021-2026 community-scripts ORG
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# Author: Andy Grunwald (andygrunwald)
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# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
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# Source: https://github.com/hansmi/prometheus-paperless-exporter
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source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/core.func)
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source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/tools.func)
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source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/error_handler.func)
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# Enable error handling
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set -Eeuo pipefail
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trap 'error_handler' ERR
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load_functions
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# ==============================================================================
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# CONFIGURATION
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# ==============================================================================
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VERBOSE=${var_verbose:-no}
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APP="prometheus-paperless-ngx-exporter"
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APP_TYPE="tools"
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BINARY_PATH="/usr/bin/prometheus-paperless-exporter"
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CONFIG_PATH="/etc/prometheus-paperless-ngx-exporter/config.env"
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SERVICE_PATH="/etc/systemd/system/prometheus-paperless-ngx-exporter.service"
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AUTH_TOKEN_FILE="/etc/prometheus-paperless-ngx-exporter/paperless_auth_token_file"
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# ==============================================================================
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# OS DETECTION
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# ==============================================================================
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if ! grep -qE 'ID=debian|ID=ubuntu' /etc/os-release 2>/dev/null; then
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echo -e "${CROSS} Unsupported OS detected. This script only supports Debian and Ubuntu."
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exit 1
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fi
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# ==============================================================================
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# UNINSTALL
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# ==============================================================================
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function uninstall() {
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msg_info "Uninstalling Prometheus-Paperless-NGX-Exporter"
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systemctl disable -q --now prometheus-paperless-ngx-exporter
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if dpkg -l | grep -q prometheus-paperless-exporter; then
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$STD apt-get remove -y prometheus-paperless-exporter || $STD dpkg -r prometheus-paperless-exporter
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fi
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rm -f "$SERVICE_PATH"
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rm -rf /etc/prometheus-paperless-ngx-exporter
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rm -f "/usr/local/bin/update_prometheus-paperless-ngx-exporter"
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rm -f "$HOME/.prometheus-paperless-ngx-exporter"
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msg_ok "Prometheus-Paperless-NGX-Exporter has been uninstalled"
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}
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# ==============================================================================
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# UPDATE
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# ==============================================================================
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function update() {
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if check_for_gh_release "prom-paperless-exp" "hansmi/prometheus-paperless-exporter"; then
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msg_info "Stopping service"
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systemctl stop prometheus-paperless-ngx-exporter
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msg_ok "Stopped service"
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fetch_and_deploy_gh_release "prom-paperless-exp" "hansmi/prometheus-paperless-exporter" "binary" "latest"
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msg_info "Starting service"
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systemctl start prometheus-paperless-ngx-exporter
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msg_ok "Started service"
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msg_ok "Updated successfully!"
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exit
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fi
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}
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# ==============================================================================
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# INSTALL
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# ==============================================================================
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function install() {
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read -erp "Enter URL of Paperless-NGX, example: (http://127.0.0.1:8000): " PAPERLESS_URL
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read -rsp "Enter Paperless-NGX authentication token: " PAPERLESS_AUTH_TOKEN
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printf "\n"
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fetch_and_deploy_gh_release "prom-paperless-exp" "hansmi/prometheus-paperless-exporter" "binary" "latest"
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msg_info "Creating configuration"
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mkdir -p /etc/prometheus-paperless-ngx-exporter
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cat <<EOF >"$CONFIG_PATH"
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# https://github.com/hansmi/prometheus-paperless-exporter
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PAPERLESS_URL="${PAPERLESS_URL}"
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EOF
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echo "${PAPERLESS_AUTH_TOKEN}" >"$AUTH_TOKEN_FILE"
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chmod 600 "$AUTH_TOKEN_FILE"
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msg_ok "Created configuration"
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msg_info "Creating service"
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cat <<EOF >"$SERVICE_PATH"
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[Unit]
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Description=Prometheus Paperless NGX Exporter
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Wants=network-online.target
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After=network-online.target
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[Service]
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User=root
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EnvironmentFile=$CONFIG_PATH
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ExecStart=$BINARY_PATH \\
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--paperless_url=\${PAPERLESS_URL} \\
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--paperless_auth_token_file=$AUTH_TOKEN_FILE
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Restart=always
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[Install]
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WantedBy=multi-user.target
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EOF
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systemctl daemon-reload
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systemctl enable -q --now prometheus-paperless-ngx-exporter
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msg_ok "Created and started service"
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# Create update script
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msg_info "Creating update script"
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ensure_usr_local_bin_persist
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cat <<'UPDATEEOF' >/usr/local/bin/update_prometheus-paperless-ngx-exporter
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#!/usr/bin/env bash
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# prometheus-paperless-ngx-exporter Update Script
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type=update bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/tools/addon/prometheus-paperless-ngx-exporter.sh)"
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UPDATEEOF
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chmod +x /usr/local/bin/update_prometheus-paperless-ngx-exporter
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msg_ok "Created update script (/usr/local/bin/update_prometheus-paperless-ngx-exporter)"
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echo ""
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msg_ok "Prometheus-Paperless-NGX-Exporter installed successfully"
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msg_ok "Metrics: ${BL}http://${LOCAL_IP}:8081/metrics${CL}"
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msg_ok "Config: ${BL}${CONFIG_PATH}${CL}"
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}
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# ==============================================================================
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# MAIN
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# ==============================================================================
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header_info
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ensure_usr_local_bin_persist
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get_lxc_ip
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# Handle type=update (called from update script)
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if [[ "${type:-}" == "update" ]]; then
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if [[ -f "$BINARY_PATH" ]]; then
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update
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else
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msg_error "Prometheus-Paperless-NGX-Exporter is not installed. Nothing to update."
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exit 1
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fi
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exit 0
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fi
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# Check if already installed
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if [[ -f "$BINARY_PATH" ]]; then
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msg_warn "Prometheus-Paperless-NGX-Exporter is already installed."
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echo ""
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echo -n "${TAB}Uninstall Prometheus-Paperless-NGX-Exporter? (y/N): "
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read -r uninstall_prompt
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if [[ "${uninstall_prompt,,}" =~ ^(y|yes)$ ]]; then
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uninstall
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exit 0
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fi
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echo -n "${TAB}Update Prometheus-Paperless-NGX-Exporter? (y/N): "
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read -r update_prompt
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if [[ "${update_prompt,,}" =~ ^(y|yes)$ ]]; then
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update
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exit 0
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fi
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msg_warn "No action selected. Exiting."
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exit 0
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fi
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# Fresh installation
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msg_warn "Prometheus-Paperless-NGX-Exporter is not installed."
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echo ""
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echo -e "${TAB}${INFO} This will install:"
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echo -e "${TAB} - Prometheus Paperless NGX Exporter (binary)"
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echo -e "${TAB} - Systemd service"
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echo ""
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echo -n "${TAB}Install Prometheus-Paperless-NGX-Exporter? (y/N): "
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read -r install_prompt
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if [[ "${install_prompt,,}" =~ ^(y|yes)$ ]]; then
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install
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else
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msg_warn "Installation cancelled. Exiting."
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exit 0
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fi
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