50 lines
2.0 KiB
Bash
50 lines
2.0 KiB
Bash
#!/usr/bin/env bash
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# Run this script on a reTerminal that has booted over the network (or any Pi with network).
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# It registers with the provisioning dashboard and waits for Backup or Deploy, then performs the action.
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# Usage: PROVISIONING_SERVER=http://192.168.1.10:5000 ./provisioning-client.sh
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# Requires: curl, and for deploy/backup: enough space and write access to eMMC (e.g. /dev/mmcblk0).
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set -e
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BASE_URL="${PROVISIONING_SERVER:-http://192.168.1.10:5000}"
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BASE_URL="${BASE_URL%/}"
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EMMC_DEV="${EMMC_DEV:-/dev/mmcblk0}"
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MAC=$(cat /sys/class/net/eth0/address 2>/dev/null || cat /sys/class/net/enp*/address 2>/dev/null | head -1 || echo "unknown")
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IP=$(hostname -I 2>/dev/null | awk '{print $1}' || echo "")
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echo "Registering with $BASE_URL (MAC=$MAC IP=$IP)..."
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curl -s -X POST -H "Content-Type: application/json" -d "{\"mac\":\"$MAC\",\"ip\":\"$IP\"}" "$BASE_URL/api/register-device" || true
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echo "Polling for action (Backup or Deploy)..."
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while true; do
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resp=$(curl -s "$BASE_URL/api/device-action-poll?mac=$MAC" 2>/dev/null || echo '{"action":"wait"}')
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action=$(echo "$resp" | grep -o '"action":"[^"]*"' | cut -d'"' -f4)
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url=$(echo "$resp" | grep -o '"url":"[^"]*"' | cut -d'"' -f4)
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upload_url=$(echo "$resp" | grep -o '"upload_url":"[^"]*"' | cut -d'"' -f4)
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if [[ "$action" == "deploy" && -n "$url" ]]; then
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echo "Deploy: downloading image and writing to $EMMC_DEV..."
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if [[ ! -b "$EMMC_DEV" ]]; then
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echo "Error: $EMMC_DEV not found"
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sleep 10
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continue
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fi
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curl -sL "$url" | dd of="$EMMC_DEV" bs=4M status=progress conv=fsync
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echo "Deploy done. Reboot to run from eMMC."
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exit 0
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fi
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if [[ "$action" == "backup" && -n "$upload_url" ]]; then
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echo "Backup: reading $EMMC_DEV and uploading..."
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if [[ ! -b "$EMMC_DEV" ]]; then
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echo "Error: $EMMC_DEV not found"
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sleep 10
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continue
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fi
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dd if="$EMMC_DEV" bs=4M status=progress 2>/dev/null | curl -s -X POST -T - "$upload_url"
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echo "Backup done."
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exit 0
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fi
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sleep 5
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done
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