41 lines
970 B
Bash
41 lines
970 B
Bash
#!/usr/bin/env bash
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set -euo pipefail
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log() { echo "[$(date -Is)] $*" >&2; }
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sleep_until_next_rotate() {
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local rotate_at="${ROTATE_AT:-03:00}"
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local target_h target_m
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IFS=: read -r target_h target_m <<<"$rotate_at"
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target_h=$((10#$target_h))
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target_m=$((10#$target_m))
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local now_h now_m now_s target_s wait_s
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now_h=$(date +%H)
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now_m=$(date +%M)
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now_h=$((10#$now_h))
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now_m=$((10#$now_m))
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now_s=$((now_h * 3600 + now_m * 60))
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target_s=$((target_h * 3600 + target_m * 60))
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if ((now_s < target_s)); then
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wait_s=$((target_s - now_s))
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else
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wait_s=$((86400 - now_s + target_s))
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fi
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log "Next rotation at ${rotate_at} (${TZ:-UTC}) in ${wait_s}s"
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sleep "$wait_s"
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}
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log "Starting gluetun PIA WireGuard rotator (TZ=${TZ:-UTC}, ROTATE_AT=${ROTATE_AT:-03:00})"
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log "Running rotation on startup"
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/usr/local/bin/rotate.sh
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while true; do
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sleep_until_next_rotate
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log "Running scheduled daily rotation"
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/usr/local/bin/rotate.sh
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done
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