Andras Schmelczer
90b692da39
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Adds a stdlib-only loader (src/lib/env.py) that walks up to find the nearest .env. display.py and notebooks/_helpers.py now `require()` the config values; wifi-check.sh sources .env to derive its probe host. The .env file is gitignored; .env.example documents the required keys. The existing tokens are still present in git history and will be scrubbed in the next commit; rotate them after the rewrite. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
44 lines
1.1 KiB
Shell
Executable file
44 lines
1.1 KiB
Shell
Executable file
#!/bin/bash
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# Probe what actually matters (DNS to a real target) and escalate recovery
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# steps until something works. `ip link down/up` alone can't unwedge the
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# brcmfmac chip on the Pi Zero 2W.
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CONNECTION="netplan-wlan0-HiddenPlace"
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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# shellcheck disable=SC1091
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[ -f "$SCRIPT_DIR/.env" ] && set -a && . "$SCRIPT_DIR/.env" && set +a
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PROBE_HOST="${HA_URL#http*://}"
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PROBE_HOST="${PROBE_HOST%%/*}"
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: "${PROBE_HOST:?HA_URL must be set in .env}"
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probe() {
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ping -c 1 -W 5 192.168.0.1 >/dev/null 2>&1 \
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&& getent hosts "$PROBE_HOST" >/dev/null 2>&1
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}
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probe && exit 0
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logger "wifi-check: probe failed, reconnecting via nmcli"
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nmcli device disconnect wlan0
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sleep 2
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nmcli connection up "$CONNECTION"
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sleep 10
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probe && exit 0
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logger "wifi-check: nmcli failed, cycling rfkill"
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rfkill block wifi
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sleep 3
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rfkill unblock wifi
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sleep 15
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probe && exit 0
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logger "wifi-check: rfkill failed, reloading brcmfmac"
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modprobe -r brcmfmac brcmutil
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sleep 3
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modprobe brcmfmac
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sleep 20
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probe && exit 0
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logger "wifi-check: all recovery failed, rebooting"
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/sbin/reboot
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