Platform adapter: rename System_Essentials, add Plugin/unraid/adapter.sh, wire call sites
- Rename unRAID_Essentials/ → System_Essentials/ (git detects as rename) - Add Plugin/unraid/adapter.sh: 13 platform_*() functions providing OS-agnostic API for storage health, service management, mover, user scripts, notifications, disk temps, and platform command validation - Update load_config.sh: detect PLATFORM (unraid/truenas/unknown), export SCRIPTS_DIR, auto-source Plugin/$PLATFORM/adapter.sh after common.sh - Wire all call sites: replace direct rc.d, pgrep/pkill, var.ini, dynamix.cfg, disks.ini, and validate_unraid_cmd calls with platform_*() functions across watchdogs, orchestrators, and System_Essentials scripts - Update all documentation: rename refs, update webgui escalation logic, add platform adapter section to Plugin README, update main README with portability vision and corrected self-healing stack description
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Gmer4Lfe
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#!/bin/bash
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# ==============================================================================================
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# ================================= Unraid Platform Adapter ====================================
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# ==============================================================================================
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# Sourced by load_config.sh when PLATFORM=unraid.
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# Provides the platform_*() API — bash scripts call these instead of OS-specific commands.
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#
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# ── API CONTRACT ──────────────────────────────────────────────────────────────────────────────
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# Every function returns 0 on success / 1 on failure unless noted.
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# Functions that produce output write to stdout; callers capture with $().
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# No function calls exit — callers decide what failure means for their flow.
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#
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# ── ADDING A PLATFORM ─────────────────────────────────────────────────────────────────────────
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# Create Plugin/truenas/adapter.sh (or ubuntu/adapter.sh) implementing the same function names.
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# load_config.sh sources Plugin/$PLATFORM/adapter.sh — no other changes needed.
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#
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# ── FUNCTIONS ─────────────────────────────────────────────────────────────────────────────────
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# platform_require_cmd — verify a platform command exists and is executable
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# platform_storage_healthy — array mounted and shfs active on /mnt/user
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# platform_get_disk_states — raw disks.ini content from emhttp state
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# platform_get_temp_thresholds — disk warn/crit °C from dynamix.cfg
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# platform_is_maintenance_running — parity check/sync in progress
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# platform_is_service_enabled — docker or libvirt enabled in boot config
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# platform_restart_service — restart a named service via rc.d
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# platform_stop_service — stop a named service via rc.d
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# platform_is_service_running — check if a named service process is alive
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# platform_is_mover_running — unRAID mover process check
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# platform_stop_user_scripts — kill all user.scripts background processes
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# platform_send_os_notification — native unRAID notify (dynamix)
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# ==============================================================================================
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# Internal: map a logical service name → its rc.d script path
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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_platform_rc_script() {
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case "$1" in
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docker) echo "/etc/rc.d/rc.docker" ;;
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sshd) echo "/etc/rc.d/rc.sshd" ;;
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libvirt) echo "/etc/rc.d/rc.libvirt" ;;
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rsyslog) echo "/etc/rc.d/rc.rsyslogd" ;;
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nginx) echo "/etc/rc.d/rc.nginx" ;;
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php-fpm) echo "/etc/rc.d/rc.php-fpm" ;;
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emhttp) echo "/etc/rc.d/rc.emhttp" ;;
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*) echo "/etc/rc.d/rc.$1" ;;
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esac
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_require_cmd <path> [test_arg] [expected_output] [label]
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# Replaces platform_require_cmd. Returns 0 if the command exists and (optionally) its output
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# matches expected_output. Returns 1 and prints a warning if not.
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_require_cmd() {
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local cmd="$1"
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local test_arg="${2:-}"
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local expected="${3:-}"
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local label="${4:-$cmd}"
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if [[ ! -x "$cmd" ]]; then
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return 1
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fi
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if [[ -n "$test_arg" && -n "$expected" ]]; then
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"$cmd" $test_arg 2>&1 | grep -q "$expected" || return 1
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fi
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return 0
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_storage_healthy
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# Returns 0 if /mnt/user is mounted as shfs (array is up and healthy).
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# Returns 1 if the mount is absent or is not shfs (array stopped / degraded).
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_storage_healthy() {
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df --output=fstype /mnt/user 2>/dev/null | grep -q shfs
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_get_disk_states
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# Writes raw /var/local/emhttp/disks.ini to stdout.
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# Returns 1 if the file is absent (array not started or emhttp not running).
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_get_disk_states() {
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local disks_ini="/var/local/emhttp/disks.ini"
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[[ -f "$disks_ini" ]] || return 1
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cat "$disks_ini"
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_get_temp_thresholds
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# Writes two space-separated values to stdout: WARN_TEMP CRIT_TEMP (°C integers).
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# Falls back to 45 55 if dynamix.cfg is absent or the keys are missing.
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_get_temp_thresholds() {
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local cfg="/boot/config/plugins/dynamix/dynamix.cfg"
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local warn crit
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warn=$(grep -m1 '^diskWarn=' "$cfg" 2>/dev/null | cut -d= -f2 | tr -d '"')
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crit=$(grep -m1 '^diskCrit=' "$cfg" 2>/dev/null | cut -d= -f2 | tr -d '"')
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echo "${warn:-45} ${crit:-55}"
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_is_maintenance_running
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# Returns 0 if a parity check or sync is currently in progress.
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# Checks var.ini (Unraid 7.3+) then falls back to parity-date.txt (older).
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_is_maintenance_running() {
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local resync
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resync=$(awk -F'"' '/^mdResync=/{print $2}' /var/local/emhttp/var.ini 2>/dev/null)
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if [[ -n "$resync" && "$resync" != "0" ]]; then
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return 0
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fi
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grep -q "progress" /var/local/emhttp/parity-date.txt 2>/dev/null
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_is_service_enabled <service>
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# service: docker | libvirt
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# Returns 0 if the service is enabled in the Unraid boot config.
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_is_service_enabled() {
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case "$1" in
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docker) grep -q '^DOCKER_ENABLED=yes' /boot/config/docker.cfg 2>/dev/null ;;
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libvirt) grep -q '^DOMAIN_ENABLE=yes' /boot/config/domain.cfg 2>/dev/null ;;
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*) return 1 ;;
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esac
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_restart_service <service>
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# Restarts the named service via its rc.d script.
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# Returns 1 if the rc.d script does not exist or is not executable.
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_restart_service() {
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local rc
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rc=$(_platform_rc_script "$1")
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[[ -x "$rc" ]] || return 1
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"$rc" restart >/dev/null 2>&1
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_stop_service <service>
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# Stops the named service via its rc.d script.
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# Returns 1 if the rc.d script does not exist or is not executable.
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_stop_service() {
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local rc
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rc=$(_platform_rc_script "$1")
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[[ -x "$rc" ]] || return 1
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"$rc" stop >/dev/null 2>&1
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_is_service_running <service>
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# Returns 0 if the service's main process is alive.
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_is_service_running() {
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case "$1" in
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docker) pgrep -x dockerd >/dev/null 2>&1 ;;
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emhttp) pgrep -x emhttpd >/dev/null 2>&1 ;;
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nginx) pgrep -x nginx >/dev/null 2>&1 ;;
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php-fpm) pgrep -x php-fpm >/dev/null 2>&1 ;;
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sshd) pgrep -x sshd >/dev/null 2>&1 ;;
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rsyslog) pgrep -x rsyslogd >/dev/null 2>&1 ;;
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libvirt) pgrep -x libvirtd >/dev/null 2>&1 ;;
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*) pgrep -x "$1" >/dev/null 2>&1 ;;
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esac
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_is_mover_running
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# Returns 0 if the Unraid mover is currently active.
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_is_mover_running() {
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pgrep -f "emhttp.*Mover" >/dev/null 2>&1
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_get_mover_pid
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# Writes the mover's PID to stdout. Returns 1 if the mover is not running.
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_get_mover_pid() {
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local pid
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pid=$(pgrep -f "emhttp.*Mover" | head -1)
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[[ -n "$pid" ]] || return 1
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echo "$pid"
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_stop_user_scripts
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# Kills all Unraid user.scripts background processes.
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# Returns 0 whether or not any processes were found (pkill exits 1 on no match).
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_stop_user_scripts() {
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pkill -f "/tmp/user.scripts" 2>/dev/null || true
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}
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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# platform_send_os_notification <message> [subject] [severity]
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# Sends a native Unraid notification via the dynamix notify script.
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# severity: normal | warning | alert (default: normal)
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# Returns 1 if the notify script is absent.
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# ──────────────────────────────────────────────────────────────────────────────────────────────
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platform_send_os_notification() {
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local message="$1"
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local subject="${2:-Varaverk}"
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local severity="${3:-normal}"
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local notify_script="/usr/local/emhttp/plugins/dynamix/scripts/notify"
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[[ -x "$notify_script" ]] || return 1
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"$notify_script" -e "Varaverk" -s "$subject" -d "$message" -i "$severity" 2>/dev/null
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}
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