Implement automatic page scaling feature with viewport adjustments

chromium-setup/emmc-provisioning/network-client/provisioning-client.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+# Run this script on a reTerminal that has booted over the network (or any Pi with network).
+# It registers with the provisioning dashboard and waits for Backup or Deploy, then performs the action.
+# Usage: PROVISIONING_SERVER=http://192.168.1.10:5000 ./provisioning-client.sh
+# Requires: curl, and for deploy/backup: enough space and write access to eMMC (e.g. /dev/mmcblk0).
+
+set -e
+BASE_URL="${PROVISIONING_SERVER:-http://192.168.1.10:5000}"
+BASE_URL="${BASE_URL%/}"
+EMMC_DEV="${EMMC_DEV:-/dev/mmcblk0}"
+MAC=$(cat /sys/class/net/eth0/address 2>/dev/null || cat /sys/class/net/enp*/address 2>/dev/null | head -1 || echo "unknown")
+IP=$(hostname -I 2>/dev/null | awk '{print $1}' || echo "")
+
+echo "Registering with $BASE_URL (MAC=$MAC IP=$IP)..."
+curl -s -X POST -H "Content-Type: application/json" -d "{\"mac\":\"$MAC\",\"ip\":\"$IP\"}" "$BASE_URL/api/register-device" || true
+
+echo "Polling for action (Backup or Deploy)..."
+while true; do
+  resp=$(curl -s "$BASE_URL/api/device-action-poll?mac=$MAC" 2>/dev/null || echo '{"action":"wait"}')
+  action=$(echo "$resp" | grep -o '"action":"[^"]*"' | cut -d'"' -f4)
+  url=$(echo "$resp" | grep -o '"url":"[^"]*"' | cut -d'"' -f4)
+  upload_url=$(echo "$resp" | grep -o '"upload_url":"[^"]*"' | cut -d'"' -f4)
+
+  if [[ "$action" == "deploy" && -n "$url" ]]; then
+    echo "Deploy: downloading image and writing to $EMMC_DEV..."
+    if [[ ! -b "$EMMC_DEV" ]]; then
+      echo "Error: $EMMC_DEV not found"
+      sleep 10
+      continue
+    fi
+    curl -sL "$url" | dd of="$EMMC_DEV" bs=4M status=progress conv=fsync
+    echo "Deploy done. Reboot to run from eMMC."
+    exit 0
+  fi
+
+  if [[ "$action" == "backup" && -n "$upload_url" ]]; then
+    echo "Backup: reading $EMMC_DEV and uploading..."
+    if [[ ! -b "$EMMC_DEV" ]]; then
+      echo "Error: $EMMC_DEV not found"
+      sleep 10
+      continue
+    fi
+    dd if="$EMMC_DEV" bs=4M status=progress 2>/dev/null | curl -s -X POST -T - "$upload_url"
+    echo "Backup done."
+    exit 0
+  fi
+
+  sleep 5
+done