Split Media/ docs into Media/ and Arrs_Stack/ to match folder reorganization

Media README and Manual now cover only the 3 remaining scripts (permissions, cleaner,
play_state_sync). Arrs_Stack README and Manual cover all arr stack scripts including
lidarr_release_fixer. Fixed stale --skip-strike-list reference in flag docs.
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Gmer4Lfe
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# ━━━━━ ARRS STACK — Manual ━━━━━
Config reference, procedures, operational workflows.
For overview see README-Arrs_Stack.md. For per-script detail see script headers.
---
## ━━━ ARR CLEANUP — FILE CLASSIFICATION ━━━
Every file found on disk during an arr cleanup run falls into exactly one category:
```
TRACKED → arr API returned this exact path → leave it alone
PROTECTED → matches ARR_PROTECTED_PATTERNS → never delete
ORPHAN → media extension, not tracked, old enough → delete
JUNK → not a media extension, not protected → delete (any age)
RECENT → not tracked, under ARR_ORPHAN_AGE days → skip (may be mid-import)
```
**Why protected patterns are critical:** arrs generate artwork (`*.jpg`), metadata
(`*.nfo`), and subtitles/lyrics that do NOT appear in the tracked file API response.
Without protection, these would be classified as orphans and deleted — removing cover art
from every album, every movie poster, every TV show thumbnail. Requires a full rescan
to recover. Never remove artwork extensions from protected patterns.
---
## ━━━ ARR CLEANUP — SAFETY LAYERS ━━━
All 7 layers must pass before any file is touched. There is no way to push through a
failed safety check without the explicit override flag.
```
1. Container running + healthy — a stopped container has an empty API
2. API reachable — no API = no tracked file list = everything looks orphaned
3. API version matches — major version must match tested version in master.conf
4. Item count > 0 — no artists/series/movies = something is wrong with DB
5. Tracked file count > 0 — empty response = everything would be deleted
6. Tracked count >= MIN_TRACKED_PCT — dramatic drop from last run = abort and alert
7. Deletion size < MAX_DELETE_GB — last line of defense against misconfigured root path
```
Layer 7 is the catastrophic failure prevention. A misconfigured root path — pointing
cleanup at the wrong directory — means the API returns zero tracked files for a root
that actually contains thousands. Everything walks as an orphan. Everything gets deleted.
`LIDARR/SONARR/RADARR_MAX_DELETE_GB` requires `--i-know-what-im-doing` to proceed past it.
---
## ━━━ CONFIGURATION — master.conf ━━━
### Lidarr Cleanup Thresholds
```bash
LIDARR_ORPHAN_AGE=7 # days — files newer than this are RECENT (mid-import window)
LIDARR_MIN_TRACKED_PCT=80 # abort if API returns < 80% of last known count
LIDARR_MAX_DELETE_GB=5 # require --i-know-what-im-doing above this
LIDARR_IMPORT_SCAN_TIMEOUT=600 # seconds to wait for pre-flight import scan
LIDARR_VERSION_MAJOR=3 # expected Lidarr major version (API safety check)
LIDARR_LOCK_WARN_AGE=3600 # 1hr — large libraries take time, not stuck
LIDARR_EXTENSIONS=("flac" "mp3" "m4a" "wav" "aac" "ogg" "opus" "wma")
LIDARR_PROTECTED_PATTERNS=("*.jpg" "*.jpeg" "*.png" "*.nfo" "*.lrc")
LIDARR_TRACKED_COUNT_FILE="$DATA_DIR/lidarr_tracked.count" # persistent baseline
ARR_CLEANUP_STATS="$DATA_DIR/arr_cleanup_stats.db" # read by coffee report
```
---
### Lidarr Release Fixer
```bash
LIDARR_RELEASE_FIXER_ENABLED=true # set false to disable without removing from job list
```
No additional thresholds — uses existing `LIDARR_URL`, `LIDARR_API_KEY`,
`LIDARR_MUSIC_ROOT`, `LIDARR_PATH_MAP`, and `LIDARR_VERSION_MAJOR` from host*.conf and
master.conf. Reads FLAC (vorbis comment block type 4) and MP3 (ID3v2 TXXX frame) tags.
---
### Sonarr Cleanup Thresholds
```bash
SONARR_ORPHAN_AGE=7
SONARR_MAX_DELETE_GB=50
SONARR_IMPORT_SCAN_TIMEOUT=600
SONARR_VERSION_MAJOR=4
SONARR_EXTENSIONS=("mkv" "mp4" "avi" "m4v" "ts" "wmv" "mov")
SONARR_PROTECTED_PATTERNS=("*.jpg" "*.jpeg" "*.png" "*.nfo" "*.srt" "*.sub" "*.ass" "*.ssa")
```
Note: `*.ts` IS in extensions — transport stream is used for Live TV recordings tracked
by Sonarr. Orphaned `.ts` recordings should be cleaned like any other orphaned episode.
---
### Radarr Cleanup Thresholds
```bash
RADARR_ORPHAN_AGE=7
RADARR_MAX_DELETE_GB=50
RADARR_IMPORT_SCAN_TIMEOUT=600
RADARR_VERSION_MAJOR=6
RADARR_EXTENSIONS=("mkv" "mp4" "avi" "m4v" "wmv" "mov")
RADARR_PROTECTED_PATTERNS=("*.jpg" "*.jpeg" "*.png" "*.nfo" "*.srt" "*.sub" "*.ass" "*.ssa")
```
---
### Arr Sync
```bash
ARR_SYNC_ENABLED=true
ARR_SYNC_BLOCKLIST="$DATA_DIR/arr_sync_blocklist.tsv" # tombstone file
ARR_SYNC_CONNECT_TIMEOUT=10 # SSH connect timeout in seconds
ARR_SYNC_API_TIMEOUT=60 # curl API call timeout in seconds
DOCKER_APPDATA_BASE=/mnt/user/appdata
ARR_SYNC_LIDARR_PORT=8686
ARR_SYNC_SONARR_PORT=8989
ARR_SYNC_RADARR_PORT=7878
```
---
### Arr Recovery
```bash
ARR_IMPORT_RECOVERY_AGE=6 # hours — items newer than this are skipped
SONARR_VERSION_MAJOR=4
RADARR_VERSION_MAJOR=6
LIDARR_VERSION_MAJOR=3
ARR_RECOVERY_STATS="$DATA_DIR/arr_recovery_stats.db" # read by coffee report
```
---
### TMDb / TVDB Removed
```bash
RADARR_DROPPED_ADD_EXCLUSION=true # add removed movies to Radarr import exclusion
SONARR_DROPPED_ADD_EXCLUSION=true # add removed series to Sonarr import exclusion
```
---
### Lidarr Missing Art
```bash
FANART_API_KEY="your-fanart-tv-api-key"
LASTFM_API_KEY="your-lastfm-api-key"
LIDARR_ART_MIN_SIZE=5000 # minimum valid download size in bytes
LIDARR_ART_MAX_PARALLEL=4 # concurrent background download jobs
LIDARR_ART_RETRIES=2 # download retry attempts per image
LIDARR_ART_SLEEP_BETWEEN=1 # seconds between fanart.tv API calls (rate limit)
```
---
### Lidarr Discovery
```bash
LIDARR_DISCOVERY_THRESHOLD=70 # minimum score for Stage 1 seeds and Stage 2 adds
LIDARR_DISCOVERY_LOOKBACK_DAYS=7 # Emby play history window in days
LIDARR_DISCOVERY_MIN_PLAYS=3 # min plays before an artist is evaluated as a seed
LIDARR_DISCOVERY_MAX_ADDS=5 # max seeds (Stage 1) and max adds (Stage 2) per run
LIDARR_DISCOVERY_USER_CAP_PCT=35 # max % any one user contributes to play weight
LIDARR_DISCOVERY_REJECT_COOLDOWN=30 # days before re-evaluating a Stage 2 reject
LIDARR_DISCOVERY_HISTORY="$DATA_DIR/lidarr_discovery_history.db"
```
Requires `HOST*_LASTFM_API_KEY` in `host*.conf`.
---
### Radarr Discovery
```bash
RADARR_DISCOVERY_THRESHOLD=52 # minimum score to add a candidate
RADARR_DISCOVERY_LOOKBACK_DAYS=30 # Emby watch history window in days
RADARR_DISCOVERY_MAX_SEEDS=5 # max seed movies from Stage 1
RADARR_DISCOVERY_MAX_ADDS=5 # max movies to add per run
RADARR_DISCOVERY_MIN_VOTE_COUNT=100 # min TMDB votes for a candidate
RADARR_DISCOVERY_MIN_RATING=60 # min TMDB vote_average × 10 (60 = 6.0/10)
RADARR_DISCOVERY_REJECT_COOLDOWN=60 # days before re-evaluating a rejected movie
RADARR_DISCOVERY_SEED_LIBRARIES=("Movies")
RADARR_DISCOVERY_HISTORY="$DATA_DIR/radarr_discovery_history.db"
```
Requires `HOST*_TMDB_API_KEY` in `host*.conf`.
---
### Sonarr Discovery
```bash
SONARR_DISCOVERY_THRESHOLD=52 # minimum score to add a candidate
SONARR_DISCOVERY_LOOKBACK_DAYS=14 # Emby episode history window in days
SONARR_DISCOVERY_MAX_SEEDS=5 # max seed series from Stage 1
SONARR_DISCOVERY_MAX_ADDS=3 # max shows to add per run (TV is a larger commitment)
SONARR_DISCOVERY_MIN_VOTE_COUNT=50 # min TMDB votes for a candidate
SONARR_DISCOVERY_MIN_RATING=65 # min TMDB vote_average × 10 (65 = 6.5/10)
SONARR_DISCOVERY_REJECT_COOLDOWN=60 # days before re-evaluating a rejected show
SONARR_DISCOVERY_USER_EPISODE_CAP=8 # max episodes per user in seed scoring
SONARR_DISCOVERY_MONITOR_MODE="all" # "all" = all seasons monitored; "future" = upcoming only
SONARR_DISCOVERY_HISTORY="$DATA_DIR/sonarr_discovery_history.db"
```
Requires `HOST*_TMDB_API_KEY` in `host*.conf`.
> **MONITOR_MODE note:** Use `"all"` (default) to have Sonarr search all existing seasons
> after adding a show. `"future"` only marks upcoming seasons as monitored — shows where
> all seasons have already aired will appear unmonitored and Sonarr will not search for them.
---
### Upgrade Webhook
```bash
WEBHOOK_PORT=7821 # 0 = disable listener
WEBHOOK_SECRET="" # auto-generated on first start if empty
```
When `WEBHOOK_PORT=0`, `start_webhook_listener.sh` exits cleanly and no listener starts.
When `WEBHOOK_SECRET` is empty, a 32-byte hex secret is generated on first start and
written back to `master.conf`. Run `Tools/webhook_setup.sh` to register the URL in arrs.
Webhook log: `/var/log/varaverk/upgrade_webhook.log`
---
## ━━━ CONFIGURATION — host*.conf ━━━
```bash
# Arr connection details — must match arr settings exactly
HOST1_LIDARR_URL="http://192.168.50.2:8686"
HOST1_LIDARR_API_KEY="..."
HOST1_LIDARR_MUSIC_ROOT="/mnt/user/Music"
HOST1_LIDARR_PATH_MAP="" # container→host path translation if needed
HOST1_SONARR_URL="http://192.168.50.2:8989"
HOST1_SONARR_API_KEY="..."
HOST1_SONARR_TV_ROOT="/mnt/user/Tv_Shows"
HOST1_SONARR_PATH_MAP=""
HOST1_RADARR_URL="http://192.168.50.2:7878"
HOST1_RADARR_API_KEY="..."
HOST1_RADARR_MOVIES_ROOT="/mnt/user/Movies"
HOST1_RADARR_PATH_MAP=""
HOST1_EMBY_URL="http://192.168.50.2:8096"
HOST1_EMBY_API_KEY="..."
```
> **LIDARR/SONARR/RADARR_MUSIC/TV/MOVIES_ROOT must exactly match the Root Folder path in
> the arr's own settings.** Arr UI → Settings → Media Management → Root Folders.
> A mismatch means every file on disk looks untracked — all appear as orphans.
> MAX_DELETE_GB is the only thing standing between a path mismatch and losing your library.
---
## ━━━ SAFE TESTING PROCEDURE ━━━
> **The arr cleanup scripts permanently delete files.** There is no recycle bin, no undo.
> Follow this procedure on first use, after any root path change, after any API key change,
> and after any significant arr library change.
### Step 1 — Dry Run With Full Logging
```bash
lidarr_release_fixer.sh --dry-run --log
lidarr_cleanup.sh --dry-run --log
sonarr_cleanup.sh --dry-run --log
radarr_cleanup.sh --dry-run --log
```
### Step 2 — Review the Output
```
Release fixer:
Are the "would fix" albums expected?
→ Wrong release UUIDs switching to correct ones is expected behaviour
→ If everything is already correct, nothing to do
Cleanup:
Are TRACKED files the ones you expect?
→ Known arr-managed files should show as TRACKED
→ If they show as ORPHAN, the root path is wrong — STOP
Is the ORPHAN count reasonable?
→ Healthy cleanup removes dozens to hundreds, not tens of thousands
→ Large count = stop, investigate root path before proceeding
Are PROTECTED patterns working?
→ Artwork (*.jpg) and subtitles (*.srt) must show as PROTECTED
→ If they show as ORPHAN, check PROTECTED_PATTERNS config
Are RECENT files being correctly skipped?
→ Files downloaded in the last 7 days should show as RECENT, not ORPHAN
```
### Step 3 — Check Numbers if Something Looks Wrong
```bash
# Root path mismatch? Compare these:
# Lidarr UI: Settings → Media Management → Root Folders
# Sonarr UI: Settings → Media Management → Root Folders
# Radarr UI: Settings → Media Management → Root Folders
# Must exactly match LIDARR_MUSIC_ROOT / SONARR_TV_ROOT / RADARR_MOVIES_ROOT
# Is the arr running?
docker ps | grep -E "Lidarr|Sonarr|Radarr"
```
### Step 4 — Run Live
```bash
# Only after dry run review passes.
lidarr_release_fixer.sh
lidarr_cleanup.sh
sonarr_cleanup.sh
radarr_cleanup.sh
```
### Step 5 — Verify in Arr UI
```
Library count — should not have dropped significantly
Missing files — check if any monitored content shows as missing
Emby library — should show no ghost entries (notify_emby_scan handles this automatically)
```
---
## ━━━ PROCEDURES ━━━
### Adding a New Arr
```bash
# 1. Copy radarr_cleanup.sh as template
cp Arrs_Stack/radarr_cleanup.sh Arrs_Stack/readarr_cleanup.sh
# 2. Replace RADARR_ prefix with READARR_ throughout
# Update API endpoint, tracked file API path, extension list, protected patterns
# 3. Add to host*.conf
HOST1_READARR_URL="http://192.168.50.2:8787"
HOST1_READARR_API_KEY="your-api-key"
HOST1_READARR_BOOKS_ROOT="/mnt/user/Books"
# 4. Add thresholds to master.conf
READARR_ORPHAN_AGE=7
READARR_MAX_DELETE_GB=50
READARR_EXTENSIONS=("epub" "pdf" "mobi" "azw3" "cbz" "cbr")
READARR_PROTECTED_PATTERNS=("*.jpg" "*.jpeg" "*.png" "*.nfo")
# 5. Add to DAILY_MAINTENANCE_SCRIPTS in master.conf
"Arrs_Stack/readarr_cleanup.sh"
```
Run `--dry-run --log` before scheduling.
---
### Managing the Arr Sync Blocklist
```bash
# Add item to blocklist (removes from all arrs + tombstones the ID)
arr_sync.sh --blocklist-add lidarr <musicbrainz-artist-id> "reason"
arr_sync.sh --blocklist-add sonarr <tvdb-series-id> "reason"
arr_sync.sh --blocklist-add radarr <tmdb-movie-id> "reason"
# Remove from blocklist (un-tombstones the ID — does NOT re-add to arrs)
arr_sync.sh --blocklist-remove lidarr <id>
# View all blocklisted IDs
arr_sync.sh --blocklist-list
```
`--blocklist-add` is the only destructive operation — it simultaneously:
1. Writes the tombstone entry to the blocklist TSV file
2. Deletes the item from the local arr API (no file deletion)
3. SSHes each remote node and deletes from their arr API
Files become orphans on all nodes — arr_cleanup removes them on the next run.
---
## ━━━ TROUBLESHOOTING ━━━
### Arr Cleanup Deleting Files It Shouldn't
```
1. Check the protected patterns — artwork and subtitles must be listed
LIDARR_PROTECTED_PATTERNS / SONARR_PROTECTED_PATTERNS / RADARR_PROTECTED_PATTERNS
2. Check the root path matches arr settings exactly
Run: lidarr_cleanup.sh --status (shows configured root path)
Compare: Lidarr UI → Settings → Media Management → Root Folders
3. Check if files are truly orphaned
Run: lidarr_cleanup.sh --dry-run --log
Look for the specific file — verify it shows ORPHAN, not PROTECTED or TRACKED
```
### Lidarr Files Present But Not Importing
```
Symptom: album folder exists with properly tagged files, Lidarr shows 0 tracks imported.
Cause: Lidarr selected the wrong MusicBrainz release edition. The file's MBID doesn't
match Lidarr's foreignReleaseId, so track ID lookup fails.
Fix:
lidarr_release_fixer.sh --dry-run --log
→ Shows which albums would be corrected and which release UUIDs would change
lidarr_release_fixer.sh
→ Applies corrections and queues RefreshArtist for affected artists
If the file MBID doesn't match any Lidarr release (shows "MBID not in list"):
→ File was tagged from a source Lidarr doesn't know about (unofficial, re-tagged)
→ Manual import or re-tag with correct MBID
```
### Arr Cleanup Aborting at Safety Layer 6 (Tracked Count Drop)
```
API returned far fewer tracked files than last run.
Possible causes:
- Arr database was recently rebuilt from scratch
- Large manual library removal
- Path map mismatch after arr migration
If intentional (library intentionally reduced):
Delete LIDARR_TRACKED_COUNT_FILE to reset the baseline
Run cleanup once — it will establish a new baseline
If unintentional:
Investigate before proceeding — the arr may have a problem
```
### Arr Sync Not Picking Up New Content
```
Is ARR_SYNC_ENABLED=true in master.conf?
Can this host SSH to the remote without password?
→ ssh -i [SSH_KEY] root@[remote-tailscale-ip] "hostname"
Is the arr accessible on the remote?
→ arr_sync.sh --status (shows each node's arr reachability)
→ arr_sync.sh --log (verbose output per-node, per-arr)
Is the item in the blocklist?
→ arr_sync.sh --blocklist-list
```
### Emby Still Showing Ghost Entries After Cleanup
```
notify_emby_scan() is called automatically after every arr cleanup deletion.
If ghosts persist:
1. Is Emby's API responding?
curl -s "http://[emby-ip]:8096/System/Info/Public"
2. Is EMBY_URL / EMBY_API_KEY correct in host*.conf?
Run: sonarr_cleanup.sh --status (shows Emby config)
3. Trigger manually in Emby:
Library → Manage Library → Clean Missing Files
```
---
## ━━━ OUTPUT TIERS ━━━
All scripts have two output levels controlled by `--log`.
Without `--log`, each script processes silently and always concludes with a summary
block: identity, duration, counts (files removed, items added, arrs cleaned), and a
status line. Warnings and errors are always visible.
With `--log`, per-item detail appears: individual titles being processed, API query
progress, per-node sync results, and per-file examination output. Use this when
debugging unexpected results or validating configuration before the first scheduled run.
Dry-run output follows the same tiers — `--dry-run` alone shows the summary of what
would happen; `--dry-run --log` shows the full per-item preview list.
---
## ━━━ FLAG REFERENCE ━━━
### lidarr_release_fixer.sh
`lidarr_release_fixer.sh`
Read MUSICBRAINZ_ALBUMID from FLAC/MP3 files, correct Lidarr release selection, queue RefreshArtist.
`lidarr_release_fixer.sh --dry-run`
Show which albums would be corrected and the before/after release UUIDs. No API writes.
`lidarr_release_fixer.sh --status`
Show configuration, Lidarr URL, enabled state.
`lidarr_release_fixer.sh --log`
Verbose per-album output — shows every album checked, not just those corrected.
---
### lidarr_cleanup.sh / sonarr_cleanup.sh / radarr_cleanup.sh
`[script] --dry-run --log`
Preview every classification decision. **Always run this first.** See Safe Testing Procedure.
`[script]`
Live run — deletes confirmed orphans and junk, triggers Emby clean.
`[script] --log`
Live run with verbose per-file output.
`[script] --status`
Show configuration, API status, tracked file count, and last run stats.
`[script] --i-know-what-im-doing`
Bypass the MAX_DELETE_GB size threshold. Required when deletion exceeds the configured
limit. Long flag name is intentional — cannot be added accidentally.
`[script] --skip-age-check`
Bypass the ORPHAN_AGE age check. Deletes RECENT files too — files that are under the
age threshold. Use when you know recent downloads are actually orphans.
`[script] --i-know-what-im-doing --skip-age-check`
**NUCLEAR MODE** — age check and size threshold both bypassed. Deletes on first pass.
Use when you want a clean one-pass wipe of everything the arr doesn't track.
No recovery possible after deletion.
---
### arrs_failed_stalled_recovery.sh
`arrs_failed_stalled_recovery.sh`
Check all configured arrs for failed imports and stalled downloads. Blocklist + remove +
re-search for each problem item.
`arrs_failed_stalled_recovery.sh --dry-run`
Show what would be actioned per arr without making any changes.
`arrs_failed_stalled_recovery.sh --status`
Show configuration, arr reachability, and last recovery stats.
`arrs_failed_stalled_recovery.sh --log`
Verbose output per item per arr.
---
### arr_sync.sh
`arr_sync.sh`
Sync all arr types across all configured nodes.
`arr_sync.sh --dry-run`
Show what would be added/removed on each node without making changes.
`arr_sync.sh --status`
Show node configuration, arr reachability, and blocklist count.
`arr_sync.sh --log`
Verbose per-node, per-arr output.
`arr_sync.sh --blocklist-add [arr] [id] "[reason]"`
Remove item from all arrs and tombstone the ID. See Procedures above.
`arr_sync.sh --blocklist-remove [arr] [id]`
Remove tombstone — does NOT re-add item to arrs.
`arr_sync.sh --blocklist-list`
Show all tombstoned IDs.
---
### radarr_tmdb_removed.sh / sonarr_tvdb_removed.sh
`[script]`
Remove records for entries with status="deleted" (dropped from upstream database).
Files are kept. Import exclusion is added.
`[script] --delete-files`
Also delete associated files from disk. Most dropped entries have no files — they were
announced movies/series that were never downloaded.
`[script] --dry-run`
Preview what would be removed without making changes.
`[script] --status`
Show arr connection status and current count of dropped entries.
`[script] --log`
Verbose per-entry output.
---
### lidarr_missing_art.sh
`lidarr_missing_art.sh`
Fetch all missing album and artist artwork from fanart.tv and fallback sources.
Never overwrites existing files.
`lidarr_missing_art.sh --dry-run`
Show what would be downloaded without writing any files.
`lidarr_missing_art.sh --status`
Show configuration and API key status.
`lidarr_missing_art.sh --log`
Verbose per-album, per-artist output.
---
### playback_aware_lidarr_discovery.sh
`playback_aware_lidarr_discovery.sh`
Score Emby play history, run Last.fm getSimilar on top artists, add candidates above
threshold to Lidarr. Triggers ArtistSearch immediately after each successful add.
`playback_aware_lidarr_discovery.sh --dry-run`
Score and rank all Stage 1 seeds and Stage 2 candidates. No Lidarr API calls. No writes
to history file. Shows exactly what would be added and at what score.
`playback_aware_lidarr_discovery.sh --status`
Show config values, history file path and size, and API key status.
`playback_aware_lidarr_discovery.sh --log`
Verbose per-artist scoring output for both stages.
---
### playback_aware_radarr_discovery.sh
`playback_aware_radarr_discovery.sh`
Score recently watched Emby movies, run TMDB recommendations on seeds, add candidates
above threshold to Radarr. Triggers MoviesSearch immediately after each successful add.
`playback_aware_radarr_discovery.sh --dry-run`
Score and rank all Stage 1 seeds and Stage 2 candidates. No Radarr API calls. No writes
to history file.
`playback_aware_radarr_discovery.sh --status`
Show config values, history file path and size, and API key status.
`playback_aware_radarr_discovery.sh --log`
Verbose per-movie scoring output for both stages.
---
### playback_aware_sonarr_discovery.sh
`playback_aware_sonarr_discovery.sh`
Score recently watched Emby series (weighted by user diversity), run TMDB TV
recommendations on seeds, add candidates above threshold to Sonarr. Triggers SeriesSearch
immediately after each successful add.
`playback_aware_sonarr_discovery.sh --dry-run`
Score and rank all Stage 1 seeds and Stage 2 candidates. No Sonarr API calls. No writes
to history file.
`playback_aware_sonarr_discovery.sh --status`
Show config values, history file path and size, and API key status.
`playback_aware_sonarr_discovery.sh --log`
Verbose per-series scoring output — shows user diversity, recency, and volume scores per
seed; breadth, rating, and votes scores per candidate.
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# ━━━━━ ARRS STACK ━━━━━
Lifecycle management for the arr suite (Lidarr, Sonarr, Radarr) across a multi-server
ecosystem. Library sync so every node tracks the same content. Orphan cleanup against live
arr APIs so deleted content actually leaves disk. Release correction so wrong MusicBrainz
editions don't silently block Lidarr imports. Emby notified automatically after every
deletion. Failed downloads recovered overnight. Artwork fetched continuously. Database
hygiene for dropped upstream entries. Quality upgrades propagate to all nodes immediately
via webhook. Weekly discovery adds new content based on what you actually play and watch.
> **These scripts permanently delete files and modify arr databases.** Orphan cleanup is
> protected by multiple safety layers that must all pass before anything is touched — but
> dry runs and log review are still the right first step on any new system or after any
> configuration change. See Manual-Arrs_Stack.md for the safe testing procedure.
---
## ━━━ THE PROBLEMS THAT BUILT THIS ━━━
**Deleted Shows and Removed Albums Still on Disk**
When you remove a series from Sonarr and the delete command fails — permission issue,
container wasn't running, path mismatch — the files stay permanently. Over years on an
active library this accumulates significantly.
The fix: arr cleanup scripts query the live API for every tracked file path, walk the
disk, and delete anything absent from the API response that's old enough to be past the
import window.
**Wrong MusicBrainz Release Edition Silently Blocking Lidarr Imports**
Lidarr selects one specific release edition per album using a MusicBrainz release ID.
When it picks the wrong edition (Brazil CD instead of US CD, Japan Digital instead of
standard), the track IDs don't match what's embedded in the files. RescanFolders reports
"Importing 0 tracks" even with perfectly tagged, complete files present. No error — just
silence.
The fix: `lidarr_release_fixer.sh` reads the MUSICBRAINZ_ALBUMID tag from each file,
finds the matching release in Lidarr's known releases, switches the selection, and queues
a RefreshArtist. Runs before cleanup so corrected albums are imported before the orphan
scan ever sees them.
**Emby Showing Ghost Entries After Cleanup**
After arr cleanup deletes files, Emby still shows them until its next scheduled scan —
potentially hours later. Users see broken entries that produce "file not found" errors.
The fix: `notify_emby_scan()` is called automatically after every deletion. Triggers
Emby's "Clean Missing Files" task immediately.
**No Safety Net on Deletion Size**
A misconfigured root path — pointing cleanup at the wrong directory — means the API
returns zero tracked files for a root that actually contains thousands. Every file walks
as an orphan. Everything gets deleted. This is the catastrophic failure mode.
The fix: `LIDARR/SONARR/RADARR_MAX_DELETE_GB` — if total deletion size exceeds the
limit, the script stops and requires `--i-know-what-im-doing` to proceed. The flag name
is long and annoying by design. It cannot be added by accident.
**Failed Downloads Accumulating Silently**
Import failures and stalled downloads sit in arr queues indefinitely. Without
intervention they occupy queue slots, block new searches, and the item never gets
downloaded. Checking queues manually across three arrs is tedious.
The fix: `arrs_failed_stalled_recovery.sh` inspects all arr queues, blocklists the bad
release, removes it, and triggers a re-search. Runs daily.
---
## ━━━ WHAT THIS FOLDER DOES ━━━
**Library Sync**
`arr_sync.sh` — full-mesh arr library sync across all nodes. Every node syncs with every
other — union model, no hierarchy. Once arrs agree on what to track, rsync spreads the
actual files.
**Release Correction**
`lidarr_release_fixer.sh` — reads MUSICBRAINZ_ALBUMID from FLAC and MP3 files, matches
against Lidarr's known releases per album, switches monitored=true to the correct
edition, queues RefreshArtist. Runs before lidarr_cleanup.sh daily. Handles both FLAC
(vorbis comment block) and MP3 (ID3v2 TXXX frame).
**Orphan Cleanup**
`lidarr_cleanup.sh`, `sonarr_cleanup.sh`, `radarr_cleanup.sh` — API-verified orphan
removal. Five classification categories (TRACKED/PROTECTED/ORPHAN/JUNK/RECENT), seven
safety layers, automatic Emby notification after deletion.
**Database Hygiene**
`radarr_tmdb_removed.sh`, `sonarr_tvdb_removed.sh` — remove entries that upstream
databases have dropped (TMDb/TVDB status="deleted"). These generate health warnings in
arrs and can never be monitored or downloaded. Most are announced-but-never-released
entries. Files are kept by default — most have none.
**Library Recovery**
`arrs_failed_stalled_recovery.sh` — detect and recover failed imports and stalled
downloads across all arrs. Blocklists the bad release and triggers a re-search — hands-
free overnight recovery.
**Library Enrichment**
`lidarr_missing_art.sh` — fetch missing album and artist artwork from fanart.tv and
fallback sources. Never overwrites existing files.
**Upgrade Propagation**
`start_webhook_listener.sh` — Node.js HTTP server that receives Sonarr/Radarr/Lidarr
OnUpgrade webhooks. Continuous; started at array start. Writes to
`/var/log/varaverk/upgrade_webhook.log`.
`upgrade_webhook_handler.sh` — triggered by the webhook listener. Pushes the upgraded
item folder to every remote node immediately, then triggers an arr library rescan on
each remote so the upgraded file is accepted without triggering a redundant quality search.
**Discovery**
`playback_aware_lidarr_discovery.sh` — behavior-driven music discovery. Scores your
Emby play history, runs Last.fm getSimilar on top artists, adds the best matches to
Lidarr. 05 meaningful adds per week.
`playback_aware_radarr_discovery.sh` — behavior-driven movie discovery. Scores recently
watched movies, runs TMDB recommendations on seeds, adds top candidates to Radarr.
`playback_aware_sonarr_discovery.sh` — behavior-driven TV discovery. Scores recently
watched series weighted by user diversity, runs TMDB TV recommendations on seeds, adds
top shows to Sonarr. Multi-user design: one person binge-watching does not dominate seeds.
---
## ━━━ EXECUTION ORDER ━━━
**Daily via `daily_sync_maintenance.sh` (DAILY_MAINTENANCE_SCRIPTS):**
```
1. lidarr_release_fixer.sh — correct wrong release editions before cleanup sees them
2. lidarr_cleanup.sh — orphan removal (music)
3. sonarr_cleanup.sh — orphan removal (TV)
4. radarr_cleanup.sh — orphan removal (movies)
5. lidarr_missing_art.sh — fetch missing artwork (HOST1 only)
6. radarr_tmdb_removed.sh — remove TMDb-dropped movies
7. sonarr_tvdb_removed.sh — remove TVDB-dropped series
```
Note: `media_shares_permissions.sh` and `media_cleaner.sh` run before these from
`Media/` — permissions and junk removal must complete first.
**Every 30 min + 4hr via orchestrators (CRITICAL/INTERMEDIATE_MAINTENANCE_SCRIPTS):**
```
arrs_failed_stalled_recovery.sh — failed/stalled queue recovery
arr_sync.sh — library sync across all nodes
```
**Weekly via `weekly_sync_maintenance.sh` (WEEKLY_MAINTENANCE_SCRIPTS):**
```
playback_aware_lidarr_discovery.sh — score play history → Last.fm similar → Lidarr
playback_aware_radarr_discovery.sh — score watch history → TMDB recommendations → Radarr
playback_aware_sonarr_discovery.sh — score episode history → TMDB TV → Sonarr
```
**Continuous (started by `array_started.sh`):**
```
start_webhook_listener.sh — Node.js webhook server; dispatches upgrade_webhook_handler.sh
```
**On every arr upgrade (triggered by webhook):**
```
upgrade_webhook_handler.sh — push upgraded folder to all remote nodes + trigger arr rescan
```
**Why release fixer before cleanup:** the fixer corrects Lidarr's release selection so
files get imported. If cleanup ran first, a correctable album could accumulate age toward
the orphan threshold before the fixer had a chance to fix it.
**Why arr_sync before rsync:** once arrs agree on what to track, rsync spreads the actual
files. An upgrade on one node — new tracked path, old path no longer in API — gets
cleaned by arr_cleanup on all nodes after the next sync cycle.
---
## ━━━ HOST AWARENESS ━━━
Scripts run on both servers via `detect_hosts()`, which aliases all `HOST*_` prefixed vars
to their unprefixed names at runtime. No manual `HOST1`/`HOST2` comparisons exist in any
script.
`arr_sync.sh` keeps all arr databases in bidirectional union — either server can download
to any share. Arr cleanup uses the union model: a file is only an orphan if the arr on
this host doesn't have it indexed. Arr scripts check the aliased URL — if empty (arr not
configured on this host), they exit cleanly with no action.
`lidarr_release_fixer.sh` and `lidarr_missing_art.sh` exit cleanly on hosts without
Lidarr configured — no HOST1_LIDARR_URL means nothing runs.
---
## ━━━ SCRIPTS IN THIS FOLDER ━━━
| Script | Role | When It Runs |
|--------|------|--------------|
| `arr_sync.sh` | Full-mesh arr library sync — all nodes track the same content | Every 4hr + weekly before rsync |
| `lidarr_release_fixer.sh` | Fix wrong MusicBrainz release editions so files get imported | Daily before lidarr_cleanup |
| `lidarr_cleanup.sh` | Delete orphaned music files not tracked by Lidarr | Daily |
| `sonarr_cleanup.sh` | Delete orphaned TV files not tracked by Sonarr | Daily |
| `radarr_cleanup.sh` | Delete orphaned movie files not tracked by Radarr | Daily |
| `arrs_failed_stalled_recovery.sh` | Auto-recover failed imports and stalled downloads | Every 30 min / daily |
| `lidarr_missing_art.sh` | Fetch missing album and artist artwork | Daily (HOST1 only) |
| `radarr_tmdb_removed.sh` | Remove movies dropped from TMDb | Daily |
| `sonarr_tvdb_removed.sh` | Remove series dropped from TVDB | Daily |
| `start_webhook_listener.sh` | Node.js webhook server — receive arr OnUpgrade and dispatch handler | Continuous |
| `upgrade_webhook_handler.sh` | Push upgraded item folder to remote nodes + trigger arr rescan | On each arr upgrade |
| `playback_aware_lidarr_discovery.sh` | Behavior-driven music discovery — Emby plays → Last.fm similar → Lidarr | Weekly |
| `playback_aware_radarr_discovery.sh` | Behavior-driven movie discovery — Emby watches → TMDB recommendations → Radarr | Weekly |
| `playback_aware_sonarr_discovery.sh` | Behavior-driven TV discovery — Emby episodes → TMDB TV recommendations → Sonarr | Weekly |
---
## ━━━ HOW THE SCRIPTS RELATE ━━━
```
Every 4hr / weekly (arr sync before rsync):
arr_sync.sh ──────────────── syncs tracked IDs across all nodes
│ union model: any node adds → all nodes get it
└── then rsync spreads the actual files to all nodes
└── then arr_cleanup removes orphans on all nodes (old paths, removed content)
Daily maintenance window:
[Media/media_shares_permissions.sh + media_cleaner.sh run first — from Media/]
lidarr_release_fixer.sh ────── reads MBID tag → switches release in Lidarr → RefreshArtist
│ (corrected albums get imported before cleanup scans for orphans)
lidarr_cleanup.sh ──────────── queries Lidarr API → walks /Music → deletes orphans
sonarr_cleanup.sh ──────────── queries Sonarr API → walks /Tv_Shows → deletes orphans
radarr_cleanup.sh ──────────── queries Radarr API → walks /Movies → deletes orphans
└── each cleanup → notify_emby_scan() → Emby removes ghost entries
Daily recovery:
arrs_failed_stalled_recovery.sh ── importFailed/stalled → blocklist → re-search
Weekly discovery (WEEKLY_MAINTENANCE_SCRIPTS):
playback_aware_lidarr_discovery.sh ─ Emby plays → Last.fm similar → top candidates → Lidarr
playback_aware_radarr_discovery.sh ─ Emby watches → TMDB recommendations → top candidates → Radarr
playback_aware_sonarr_discovery.sh ─ Emby episodes → TMDB TV recommendations → top candidates → Sonarr
└── each discovery script fires arr search immediately after successful add
Continuous (started by array_started.sh):
start_webhook_listener.sh ── Node.js HTTP server listens on WEBHOOK_PORT
│ arr OnUpgrade fires webhook → POST to http://HOST_LAN_IP:WEBHOOK_PORT/webhook?key=SECRET
└── upgrade_webhook_handler.sh
├── rsync upgraded folder → all remote nodes immediately
└── trigger arr library rescan on each remote (accept new file, no quality search)
Ad-hoc enrichment:
lidarr_missing_art.sh ─────── discovers missing artwork → fetches from fanart.tv
radarr_tmdb_removed.sh ────── status="deleted" → remove from Radarr + add exclusion
sonarr_tvdb_removed.sh ────── status="deleted" → remove from Sonarr + add exclusion
```