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59 lines
2.1 KiB
59 lines
2.1 KiB
#!/bin/bash
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set -euo pipefail
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SCRIPT_PATH="$(readlink -f "$0" 2>/dev/null || realpath "$0" 2>/dev/null || echo "$0")"
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SCRIPTNAME="$(basename "$SCRIPT_PATH")"
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LOCKFILE="/var/lock/${SCRIPTNAME}.pid"
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# ========= Configuration =========
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CONTAINER_NAME="paperless-ai"
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OLLAMA_HOST="192.168.222.12"
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OLLAMA_PORT="11434"
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ERROR_PATTERN="Error: \[ERROR\] Document analysis failed: connect EHOSTUNREACH $OLLAMA_HOST:$OLLAMA_PORT"
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# Tools (adjust if your distro uses different names)
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WOL_CMD="wakeonlan" # or "etherwake -i eth0 $WOL_MAC"
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NC_CMD="nc" # netcat
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DOCKER="docker"
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log() { printf '[%(%F %T)T] %s\n' -1 "$*"; }
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# --- Single-instance using PID lockfile in /var/lock ---
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# Read old PID (if any) and terminate that instance if it is our script.
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if [[ -f "$LOCKFILE" ]]; then
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oldpid="$(cat "$LOCKFILE" 2>/dev/null || true)"
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if [[ "${oldpid:-}" =~ ^[0-9]+$ ]] && kill -0 "$oldpid" 2>/dev/null; then
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# Optional sanity check: ensure the old PID is this same script (best-effort).
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if grep -qa "$SCRIPTNAME" "/proc/$oldpid/cmdline" 2>/dev/null; then
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log "Found running instance (pid=$oldpid) → terminating"
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kill "$oldpid" 2>/dev/null || true
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# Give it a short grace period, then force if still alive.
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for _ in 1 2 3; do
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sleep 1
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kill -0 "$oldpid" 2>/dev/null || break
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done
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kill -KILL "$oldpid" 2>/dev/null || true
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fi
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fi
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fi
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# Write our own PID to the lockfile (best-effort atomic via temp + move).
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tmp_lock="${LOCKFILE}.$$"
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printf '%d\n' "$$" > "$tmp_lock"
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mv -f "$tmp_lock" "$LOCKFILE"
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# Clean up lockfile on exit.
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cleanup() {
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[[ -f "$LOCKFILE" ]] && [[ "$(cat "$LOCKFILE" 2>/dev/null || true)" == "$$" ]] && rm -f "$LOCKFILE" || true
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}
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trap cleanup EXIT INT TERM
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# Follow container logs and look for the error pattern
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"$DOCKER" logs -f --since 0s "$CONTAINER_NAME" 2>&1 | \
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while IFS= read -r line; do
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# echo "$line" # uncomment for debugging
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if echo "$line" | grep -qE "$ERROR_PATTERN"; then
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log "Detected EHOSTUNREACH for Ollama (${OLLAMA_HOST}:${OLLAMA_PORT})."
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fi
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done
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