refactor: rename failover/HA → fallback across entire codebase
Removes all references to "failover" and "HA" (high availability) terminology from variable names, config keys, state values, rsync profile names, directory paths, and user-visible strings. Mapping: FAILOVER_* → FALLBACK_* FAILOVER_HOST*_RUNS_FOR → FALLBACK_HOST*_COVERS critical-failover → critical-fallback emby-failover → emby-fallback appdata-Failover/ → appdata-Fallback/ "FAILOVER" state value → "FALLBACK" failover_start key → fallback_start Failover/ directory → Fallback/ failover.sh → fallback.sh failover_state.db → fallback_state.db -Failover folder suffix → -Fallback State machine: NORMAL | FALLBACK | DARK (unchanged) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Gmer4Lfe
co-authored by
Claude Sonnet 4.6
Claude Sonnet 4.6
parent
4e22f5d1f7
commit
009820e981
@@ -20,7 +20,7 @@
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# CONTINUOUS (run until array stops):
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# unRAID_Essentials/system_watchdog.sh — system health monitor (last line of defense)
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# Docker_Essentials/docker_watchdog.sh — container health monitor
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# Failover/failover.sh — mutual failover monitor
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# Fallback/fallback.sh — mutual failover monitor
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#
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# ── WHY ORDER MATTERS ─────────────────────────────────────────────────────────────────────────
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# inotify_tuning.sh — must run BEFORE Code-Server and other containers start
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@@ -30,7 +30,7 @@
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# docker_network_connect — must run BEFORE watchdogs check container states
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# system_watchdog.sh — before docker_watchdog (system > container priority)
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# docker_watchdog.sh — before failover (containers must be healthy for failover)
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# failover.sh — last — needs everything else stable to make decisions
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# fallback.sh — last — needs everything else stable to make decisions
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#
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# ── ONE-SHOT vs CONTINUOUS DETECTION ─────────────────────────────────────────────────────────
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# Script is launched in background with bash script.sh &
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@@ -8,7 +8,7 @@
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#
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# ── EXECUTION ORDER ───────────────────────────────────────────────────────────────────────────
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# 1. Critical-Data rsync — auth stack, NPM config, certs (containers stopped both sides)
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# 2. emby-failover rsync — dirty Emby sync (watch states, library — Emby stays running)
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# 2. emby-fallback rsync — dirty Emby sync (watch states, library — Emby stays running)
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# 3. CRITICAL_MAINTENANCE_SCRIPTS — any scripts configured for critical window
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# 4. partnership --check — read both state files, detect changes, act accordingly
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#
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@@ -14,7 +14,7 @@
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# 🎬 Transcodes — ramdisk usage, weekly peak, flips, session split
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# 🎵 Media Activity — arr cleanup stats, arr recovery stats, queue depth
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# 🌐 Rsync — weekly transfer totals, per-share breakdown, failures
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# 🛡️ Watchdog — system watchdog, docker watchdog, failover state
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# 🛡️ Watchdog — system watchdog, docker watchdog, fallback state
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# 🔐 Security — SSL cert expiry per domain
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# 📊 Emby — weekly stream count, active now, top users
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# ⚙️ System Health — SMART summary, inotify, php-fpm, Docker, Gitea sync
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@@ -22,7 +22,7 @@
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#
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# ── DATA SOURCES (reads only) ─────────────────────────────────────────────────────────────────
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# DATA_DIR stats files — arr cleanup, recovery, transcode, bandwidth history
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# /boot/config — failover state, watchdog reboot log
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# /boot/config — fallback state, watchdog reboot log
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# /tmp — watchdog strike state files
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# /proc, /sys — system memory, uptime, inotify
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# /var/local/emhttp/ — unRAID array info
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@@ -113,7 +113,7 @@ if [[ "$SHOW_STATUS" == true ]]; then
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"$SYS_WATCHDOG_REBOOT_LOG:watchdog reboot log" \
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"$WATCHDOG_STATE_FILE:docker watchdog state" \
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"$WATCHDOG_CONTAINER_RESTART_LOG:container restart log" \
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"$FAILOVER_STATE_FILE:failover state"; do
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"$FALLBACK_STATE_FILE:fallback state"; do
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path="${f%%:*}"
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label="${f##*:}"
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if [[ -f "$path" ]] && [[ -s "$path" ]]; then
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@@ -578,22 +578,22 @@ fi
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REPORT+=("")
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# ── Failover ─────────────────────────────────────────────────────────────────────────────────
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line "🔀 Failover"
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FO_PID=$(_get_lock_pid "failover")
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if _is_running "failover"; then
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FO_AGE=$(_lock_age "failover")
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line "🔀 Fallback"
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FO_PID=$(_get_lock_pid "fallback")
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if _is_running "fallback"; then
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FO_AGE=$(_lock_age "fallback")
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line " ✅ Running │ PID: $FO_PID │ Uptime: $(_fmt_uptime "$FO_AGE")"
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elif [[ "${FAILOVER_ENABLED:-true}" == false ]]; then
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line " ⏸️ Not running — FAILOVER_ENABLED=false"
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elif [[ "${FALLBACK_ENABLED:-true}" == false ]]; then
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line " ⏸️ Not running — FALLBACK_ENABLED=false"
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else
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issue "failover NOT RUNNING"
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issue "fallback NOT RUNNING"
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fi
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FO_STATE="UNKNOWN"
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FO_STATE_SECS=0
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if [[ -f "$FAILOVER_STATE_FILE" ]]; then
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FO_STATE=$(grep "^state=" "$FAILOVER_STATE_FILE" 2>/dev/null | cut -d= -f2)
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FO_EPOCH=$(grep "^last_change_epoch=" "$FAILOVER_STATE_FILE" 2>/dev/null | cut -d= -f2)
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if [[ -f "$FALLBACK_STATE_FILE" ]]; then
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FO_STATE=$(grep "^state=" "$FALLBACK_STATE_FILE" 2>/dev/null | cut -d= -f2)
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FO_EPOCH=$(grep "^last_change_epoch=" "$FALLBACK_STATE_FILE" 2>/dev/null | cut -d= -f2)
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[[ -n "$FO_EPOCH" ]] && FO_STATE_SECS=$(( NOW - FO_EPOCH ))
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fi
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@@ -602,8 +602,8 @@ FO_DUR=$(_fmt_uptime "${FO_STATE_SECS:-0}")
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case "$FO_STATE" in
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NORMAL)
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line " ✅ State: NORMAL │ Duration: $FO_DUR" ;;
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FAILOVER)
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issue " State: FAILOVER — $REMOTE_SERVER_NAME down for $FO_DUR"
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FALLBACK)
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issue " State: FALLBACK — $REMOTE_SERVER_NAME down for $FO_DUR"
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FO_MINS=$(( FO_STATE_SECS / 60 ))
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# Use REMOTE_ID-based tier delay vars — no HOST1/HOST2 hardcoding
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T2_VAR="${REMOTE_ID}_TIER2_DELAY"; T3_VAR="${REMOTE_ID}_TIER3_DELAY"; T4_VAR="${REMOTE_ID}_TIER4_DELAY"
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@@ -19,7 +19,7 @@
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# Emby builds a warm image cache on HOST2 throughout the week.
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# Syncing nightly resets cache — cold loads every morning for users.
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# Weekly sync: cache stays warm 6 days, resets Sunday night while users sleep.
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# emby-failover dirty sync covers watch states + library every 15min between weekly syncs.
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# emby-fallback dirty sync covers watch states + library every 15min between weekly syncs.
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#
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# ── CONTAINER UPDATES ─────────────────────────────────────────────────────────────────────────
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# Containers already stopped for sync — updates pull at zero extra downtime.
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