Gmer4Lfe
e13f2fa14f
- downloaders_reset: connection check block before slskd API sections; triggers PUT /api/v0/server reconnect if disconnected, polls 60s, gates Stuck Searches and Dead Transfer Records on SLSKD_CONNECTED - Sync all modified/new/deleted files from v2 refactor across Docker_Essentials, Media, Monitors, Partnership, Rsync, Tools, Transcodes, unRAID_Essentials, common.sh, master confs, and new Manual/README docs
340 lines
13 KiB
Bash
340 lines
13 KiB
Bash
#!/bin/bash
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# ==============================================================================================
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# ================================= Docker Weekly Restart ======================================
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# ==============================================================================================
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#
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# PURPOSE
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# ─────────────────────────────────────────────────────────────────────────────
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# Restarts configured containers every Sunday at 2:30am as proactive maintenance.
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#
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# Called by weekly_sync_maintenance.sh via WEEKLY_MAINTENANCE_SCRIPTS. Runs after
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# the sync window has completed and already restarted its own critical containers
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# (Emby, auth stack). Targets a separate set of less-critical services that benefit
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# from a weekly clean start but do not need to be stopped for the sync itself.
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#
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# Same behavioural rules as docker_daily_restart.sh: running → restart,
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# stopped → leave, missing → skip. Container state is always respected.
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#
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# ==============================================================================================
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# OPERATIONAL SAFEGUARDS
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# ==============================================================================================
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#
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# Dependency Ordering
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# Containers restart in dependency-safe order using HOST*_WATCHDOG_DEPENDENCIES.
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# CONTAINER_DELAY seconds between dependency restart and dependent restart.
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#
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# Restart Verification
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# Container state checked after a settle period. A container that crashes
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# immediately after restart is marked failed with a notification sent.
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#
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# Timeout Protection
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# All docker commands wrapped in a 30 second timeout. A hung Docker daemon
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# cannot cause this script to hang indefinitely.
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#
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# Lock Acquisition
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# acquire_lock() prevents concurrent execution.
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#
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# ==============================================================================================
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# CONFIGURATION
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# ==============================================================================================
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#
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# master_host*.conf
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#
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# HOST*_WEEKLY_RESTART_CONTAINERS
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# Containers restarted weekly. Aliased by detect_hosts() →
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# WEEKLY_RESTART_CONTAINERS
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#
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# HOST*_WATCHDOG_DEPENDENCIES
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# Dependency ordering shared with docker_watchdog.sh. Aliased by
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# detect_hosts() → WATCHDOG_DEPENDENCIES
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#
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# master.conf
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#
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# RETRY_COUNT
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# Retry attempts before giving up on a container
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#
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# SLEEP
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# Seconds between retry attempts
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#
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# CONTAINER_DELAY
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# Seconds to wait after restarting a dependency before starting its dependents
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#
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# ==============================================================================================
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# RUNTIME MODES
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# ==============================================================================================
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#
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# docker_weekly_restart.sh
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# Restart all containers in WEEKLY_RESTART_CONTAINERS
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#
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# docker_weekly_restart.sh --dry-run
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# Preview which containers would be restarted and which would be skipped
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#
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# docker_weekly_restart.sh --status
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# Show configured restart list, container states, and dependency ordering
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#
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# docker_weekly_restart.sh --log
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# Verbose per-container execution output
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#
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# ==============================================================================================
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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source "$SCRIPT_DIR/../load_config.sh"
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parse_args "$@"
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# ==============================================================================================
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# ━━━ Setup ━━━
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# ==============================================================================================
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echo ""
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echo "━━━ $ICON_GEAR Setup ━━━"
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if [[ "$EUID" -ne 0 ]]; then
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error "Must be run as root"
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exit 1
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fi
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acquire_lock
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if ! command -v docker &>/dev/null; then
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error "Docker command not found — check PATH or Docker installation"
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notify "Docker weekly restart failed — Docker not found on $(hostname)" "Docker Weekly Restart" "warning"
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exit 1
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fi
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# detect_hosts() sets MY_ID and aliases HOST*_WEEKLY_RESTART_CONTAINERS → WEEKLY_RESTART_CONTAINERS
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detect_hosts
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if [[ ${#WEEKLY_RESTART_CONTAINERS[@]} -eq 0 ]]; then
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warn "WEEKLY_RESTART_CONTAINERS is empty for $MY_ID — nothing to restart"
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warn "Check HOST*_WEEKLY_RESTART_CONTAINERS in master_host*.conf"
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exit 0
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fi
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echo " $MY_ID ($LOCAL_SERVER_NAME) — ${#WEEKLY_RESTART_CONTAINERS[@]} containers configured"
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# ==============================================================================================
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# ━━━ Status ━━━
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# ==============================================================================================
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if [[ "$SHOW_STATUS" == true ]]; then
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echo ""
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echo "━━━━━ $ICON_SUMMARY STATUS ━━━━━"
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echo "$ICON_HOST Identity: $MY_ID ($LOCAL_SERVER_NAME)"
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echo "$ICON_CONTAINERS Containers: ${WEEKLY_RESTART_CONTAINERS[*]}"
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echo "$ICON_RETRY Retries: $RETRY_COUNT"
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echo "$ICON_TIME Sleep: ${SLEEP}s between retries"
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echo "$ICON_NOTIFY Notify: unRAID=${NOTIFY_UNRAID:-false} Discord=$([[ -n "${MY_DISCORD_WEBHOOK:-}" ]] && echo enabled || echo disabled)"
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echo "$ICON_GEAR Dry Run: $DRY_RUN"
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echo "━━━━━━━━━━━━━━━━━━━━━━━"
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exit 0
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fi
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[[ "$DRY_RUN" == true ]] && warn "DRY RUN — no containers will be restarted"
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# ==============================================================================================
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# ── FUNCTIONS ─────────────────────────────────────────────────────────────────────────────────
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# ==============================================================================================
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# Wraps docker commands with a 30 second timeout.
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# Prevents a hung Docker daemon from causing the script to hang indefinitely.
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DOCKER_TIMEOUT=30
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docker_cmd() {
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timeout "$DOCKER_TIMEOUT" "$@"
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local exit_code=$?
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if [[ "$exit_code" -eq 124 ]]; then
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error "Docker command timed out after ${DOCKER_TIMEOUT}s: $*"
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return 1
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fi
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return "$exit_code"
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}
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# Retries a docker command up to RETRY_COUNT times with SLEEP seconds between attempts.
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# Uses docker_cmd wrapper for timeout protection on each attempt.
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retry_docker() {
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local attempt=1
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while [[ "$attempt" -le "$RETRY_COUNT" ]]; do
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log "$ICON_RETRY Attempt $attempt of $RETRY_COUNT: $*"
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if docker_cmd "$@"; then
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log "Succeeded on attempt $attempt"
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return 0
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else
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warn "Attempt $attempt failed"
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(( attempt++ ))
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[[ "$attempt" -le "$RETRY_COUNT" ]] && sleep "$SLEEP"
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fi
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done
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error "Command failed after $RETRY_COUNT attempts: $*"
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return 1
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}
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# Verifies a container is still running after restart.
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# Gives the container a short settle period before checking.
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RESTART_VERIFY_WAIT=5
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verify_running() {
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local container="$1"
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sleep "$RESTART_VERIFY_WAIT"
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local state
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state=$(docker inspect -f '{{.State.Running}}' "$container" 2>/dev/null)
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if [[ "$state" != "true" ]]; then
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error "$container failed to stay running after restart — may have crashed"
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return 1
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fi
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return 0
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}
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# Builds a dependency-safe restart order from WEEKLY_RESTART_CONTAINERS.
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# Containers that are dependencies of others restart first.
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build_restart_order() {
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ORDERED_RESTART=()
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local remaining=("${WEEKLY_RESTART_CONTAINERS[@]}")
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local placed=()
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# First pass — add dependency containers that appear in our list
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for container in "${remaining[@]}"; do
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[[ -z "$container" ]] && continue
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local is_dependency=false
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for dependent in "${!WATCHDOG_DEPENDENCIES[@]}"; do
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if [[ "${WATCHDOG_DEPENDENCIES[$dependent]}" == *"$container"* ]]; then
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is_dependency=true
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break
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fi
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done
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if [[ "$is_dependency" == true ]]; then
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local already=false
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for p in "${placed[@]}"; do [[ "$p" == "$container" ]] && already=true && break; done
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if [[ "$already" == false ]]; then
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ORDERED_RESTART+=("$container")
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placed+=("$container")
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fi
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fi
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done
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# Second pass — add remaining containers (dependents and independents)
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for container in "${remaining[@]}"; do
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[[ -z "$container" ]] && continue
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local already=false
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for p in "${placed[@]}"; do [[ "$p" == "$container" ]] && already=true && break; done
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if [[ "$already" == false ]]; then
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ORDERED_RESTART+=("$container")
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placed+=("$container")
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fi
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done
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log "Restart order: ${ORDERED_RESTART[*]}"
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}
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# Waits CONTAINER_DELAY if this container depends on the last restarted one.
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check_dependency_delay() {
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local container="$1"
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local last="$2"
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[[ -z "$last" ]] && return
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local deps="${WATCHDOG_DEPENDENCIES[$container]:-}"
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if [[ -n "$deps" ]] && [[ "$deps" == *"$last"* ]]; then
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info "Waiting ${CONTAINER_DELAY}s — $container depends on $last..."
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sleep "$CONTAINER_DELAY"
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fi
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}
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# ==============================================================================================
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# ━━━ Weekly Restart ━━━
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# ==============================================================================================
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echo ""
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echo "━━━ $ICON_CONTAINERS Weekly Restart — $(date '+%Y-%m-%d %H:%M:%S') ━━━"
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echo "$ICON_CONTAINERS Containers: ${WEEKLY_RESTART_CONTAINERS[*]}"
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echo "$ICON_RETRY Retries: $RETRY_COUNT"
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echo ""
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START=$(date +%s)
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FAILED=()
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RESTARTED=()
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SKIPPED=()
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# Build dependency-safe restart order
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build_restart_order
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echo "$ICON_GEAR Restart order: ${ORDERED_RESTART[*]}"
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echo ""
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LAST_RESTARTED=""
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for container in "${ORDERED_RESTART[@]}"; do
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[[ -z "$container" ]] && continue
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echo "━━━ $ICON_CONTAINERS $container ━━━"
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if ! timeout "$DOCKER_TIMEOUT" docker inspect "$container" &>/dev/null; then
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warn "$container does not exist — skipping"
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echo ""
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continue
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fi
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STATUS=$(timeout "$DOCKER_TIMEOUT" docker inspect -f '{{.State.Running}}' "$container" 2>/dev/null)
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case "$STATUS" in
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true)
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echo "$ICON_RUNNING $container is running — restarting..."
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# Wait if this container depends on the last one restarted
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check_dependency_delay "$container" "$LAST_RESTARTED"
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if [[ "$DRY_RUN" == true ]]; then
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warn "DRY RUN — would restart $container"
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RESTARTED+=("$container")
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else
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if retry_docker docker restart "$container"; then
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if verify_running "$container"; then
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echo "$ICON_STARTED $container restarted and running ✅"
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RESTARTED+=("$container")
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LAST_RESTARTED="$container"
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else
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error "$container restarted but crashed immediately"
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notify "$container crashed after restart on $(hostname)" "Docker Weekly Restart" "warning"
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FAILED+=("$container")
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fi
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else
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error "Failed to restart $container after $RETRY_COUNT attempts"
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notify "$container failed to restart on $(hostname)" "Docker Weekly Restart" "warning"
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FAILED+=("$container")
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fi
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fi
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;;
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false)
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# Container was stopped — leave it stopped
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# Intentionally stopped containers are not restarted
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echo "$ICON_NOT_RUNNING $container is stopped — skipping (respecting stopped state)"
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SKIPPED+=("$container")
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;;
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*)
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error "Unknown status for $container: $STATUS"
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FAILED+=("$container")
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;;
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esac
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echo ""
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done
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END=$(date +%s)
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# ==============================================================================================
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# ━━━ Summary ━━━
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# ==============================================================================================
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echo "━━━━━ $ICON_SUMMARY WEEKLY RESTART SUMMARY ━━━━━"
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echo "$ICON_HOST Identity: $MY_ID ($LOCAL_SERVER_NAME)"
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echo "$ICON_TIME Duration: $(format_duration $((END - START)))"
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[[ ${#RESTARTED[@]} -gt 0 ]] && echo "$ICON_STARTED Restarted: ${RESTARTED[*]}"
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[[ ${#SKIPPED[@]} -gt 0 ]] && echo "$ICON_NOT_RUNNING Skipped: ${SKIPPED[*]} (were stopped)"
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[[ ${#FAILED[@]} -gt 0 ]] && echo "$ICON_ERROR Failed: ${FAILED[*]}"
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if [[ "$DRY_RUN" == true ]]; then
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echo "$ICON_WARN Status: DRY RUN — no changes made"
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elif [[ ${#FAILED[@]} -eq 0 ]]; then
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echo "$ICON_DONE Status: $ICON_SUCCESS ALL DONE"
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notify "Weekly restart complete — ${#RESTARTED[@]} restarted, ${#SKIPPED[@]} skipped (stopped) on $(hostname)" "Docker Weekly Restart" "normal"
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else
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echo "$ICON_ERROR Status: $ICON_ERROR ${#FAILED[@]} container(s) failed"
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notify "Weekly restart completed with errors on $(hostname) — failed: ${FAILED[*]}" "Docker Weekly Restart" "warning"
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fi
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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[[ ${#FAILED[@]} -gt 0 ]] && exit 1
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exit 0 |