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https://github.com/BetterCorp/BetterFrame.git
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feat: add shell kiosk prototype for end-to-end testing
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Mitchell R
parent
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commit
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1 changed files with 249 additions and 0 deletions
249
kiosk/prototype.sh
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249
kiosk/prototype.sh
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#!/usr/bin/env bash
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#
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# BetterFrame kiosk prototype — pairs with server, pulls bundle, displays cameras.
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# Requires: curl, jq, gst-launch-1.0
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#
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# Usage: ./prototype.sh [server-url]
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# If no URL given, auto-discovers via localhost → betterframe.local → frame.betterportal.cloud
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#
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set -euo pipefail
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STATE_DIR="${HOME}/.betterframe-kiosk"
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KEY_FILE="${STATE_DIR}/kiosk.key"
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SERVER_FILE="${STATE_DIR}/server.url"
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BUNDLE_FILE="${STATE_DIR}/bundle.json"
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mkdir -p "$STATE_DIR"
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# ---- Discovery ---------------------------------------------------------------
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discover_server() {
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if [[ -n "${1:-}" ]]; then
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echo "$1"
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return
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fi
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# Saved from previous run
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if [[ -f "$SERVER_FILE" ]]; then
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local saved
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saved=$(cat "$SERVER_FILE")
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if curl -sf "${saved}/healthz" >/dev/null 2>&1; then
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echo "$saved"
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return
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fi
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fi
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local candidates=(
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"http://localhost:18081"
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"http://betterframe.local:18081"
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"https://frame.betterportal.cloud"
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)
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for url in "${candidates[@]}"; do
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echo " trying ${url}..." >&2
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if curl -sf --connect-timeout 3 "${url}/healthz" >/dev/null 2>&1; then
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echo "$url" > "$SERVER_FILE"
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echo "$url"
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return
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fi
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done
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echo "ERROR: could not find BetterFrame server" >&2
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exit 1
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}
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# ---- Pairing -----------------------------------------------------------------
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pair_with_server() {
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local server="$1"
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local hostname
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hostname=$(hostname)
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local hw_model
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hw_model=$(cat /proc/device-tree/model 2>/dev/null || echo "unknown")
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echo "Requesting pairing code..."
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local resp
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resp=$(curl -sf -X POST "${server}/api/pair/initiate" \
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-H "Content-Type: application/json" \
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-d "{\"proposed_name\":\"${hostname}\",\"hardware_model\":\"${hw_model}\",\"capabilities\":[\"rtsp\",\"gstreamer\"]}")
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local code
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code=$(echo "$resp" | jq -r '.code')
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local expires
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expires=$(echo "$resp" | jq -r '.expires_at')
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echo ""
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echo "============================================"
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echo ""
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echo " PAIRING CODE: ${code}"
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echo ""
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echo " Enter this code in the BetterFrame admin"
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echo " Expires: ${expires}"
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echo ""
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echo "============================================"
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echo ""
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# Poll until admin confirms
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echo "Waiting for admin to confirm..."
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while true; do
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local claim
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claim=$(curl -s -o /dev/null -w "%{http_code}" -X POST "${server}/api/pair/claim" \
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-H "Content-Type: application/json" \
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-d "{\"code\":\"${code}\"}" 2>/dev/null || echo "000")
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if [[ "$claim" == "200" ]]; then
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local claim_resp
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claim_resp=$(curl -sf -X POST "${server}/api/pair/claim" \
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-H "Content-Type: application/json" \
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-d "{\"code\":\"${code}\"}")
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local kiosk_key
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kiosk_key=$(echo "$claim_resp" | jq -r '.kiosk_key')
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local kiosk_name
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kiosk_name=$(echo "$claim_resp" | jq -r '.kiosk_name')
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echo "$kiosk_key" > "$KEY_FILE"
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chmod 600 "$KEY_FILE"
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echo "Paired as: ${kiosk_name}"
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return
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fi
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sleep 2
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done
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}
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# ---- Bundle ------------------------------------------------------------------
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fetch_bundle() {
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local server="$1"
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local key
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key=$(cat "$KEY_FILE")
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echo "Fetching bundle..."
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curl -sf "${server}/api/kiosk/bundle" \
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-H "Authorization: Bearer ${key}" \
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> "$BUNDLE_FILE"
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local cam_count
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cam_count=$(jq '.cameras | length' "$BUNDLE_FILE")
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echo "Bundle received: ${cam_count} camera(s)"
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}
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# ---- GStreamer ----------------------------------------------------------------
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launch_cameras() {
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local pids=()
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local cam_count
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cam_count=$(jq '.cameras | length' "$BUNDLE_FILE")
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if [[ "$cam_count" -eq 0 ]]; then
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echo "No cameras in bundle. Waiting..."
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sleep 30
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return
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fi
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for i in $(seq 0 $((cam_count - 1))); do
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local name
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name=$(jq -r ".cameras[$i].name" "$BUNDLE_FILE")
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local type
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type=$(jq -r ".cameras[$i].type" "$BUNDLE_FILE")
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local rtsp_uri=""
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if [[ "$type" == "rtsp" ]]; then
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# Use direct RTSP URL, or first stream's URI
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rtsp_uri=$(jq -r ".cameras[$i].rtsp_url // empty" "$BUNDLE_FILE")
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if [[ -z "$rtsp_uri" ]]; then
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rtsp_uri=$(jq -r ".cameras[$i].streams[0].rtsp_uri // empty" "$BUNDLE_FILE")
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fi
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else
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# ONVIF — use first discovered stream URI
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rtsp_uri=$(jq -r ".cameras[$i].streams[0].rtsp_uri // empty" "$BUNDLE_FILE")
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fi
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if [[ -z "$rtsp_uri" ]]; then
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echo " [${name}] no RTSP URI, skipping"
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continue
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fi
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echo " [${name}] launching: ${rtsp_uri}"
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# Try hardware decode first (Pi5 V4L2), fall back to software
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gst-launch-1.0 \
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rtspsrc location="$rtsp_uri" latency=300 protocols=tcp \
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! rtph264depay \
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! h264parse \
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! queue max-size-buffers=1 leaky=downstream \
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! avdec_h264 \
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! videoconvert \
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! autovideosink sync=false \
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2>/dev/null &
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pids+=($!)
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done
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if [[ ${#pids[@]} -eq 0 ]]; then
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echo "No cameras could be launched"
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sleep 10
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return
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fi
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echo ""
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echo "Displaying ${#pids[@]} camera(s). Press Ctrl+C to stop."
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# Wait for any to exit
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wait -n "${pids[@]}" 2>/dev/null || true
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}
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# ---- Heartbeat ---------------------------------------------------------------
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start_heartbeat() {
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local server="$1"
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local key
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key=$(cat "$KEY_FILE")
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while true; do
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curl -sf -X POST "${server}/api/kiosk/heartbeat" \
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-H "Authorization: Bearer ${key}" \
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-H "Content-Type: application/json" \
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-d '{"kiosk_app_version":"prototype-0.1"}' \
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>/dev/null 2>&1 || true
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sleep 60
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done
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}
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# ---- Main --------------------------------------------------------------------
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main() {
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echo "BetterFrame Kiosk Prototype"
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echo ""
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# Discover server
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echo "Discovering server..."
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local server
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server=$(discover_server "${1:-}")
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echo "Server: ${server}"
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# Pair if needed
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if [[ ! -f "$KEY_FILE" ]]; then
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pair_with_server "$server"
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else
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echo "Already paired (key in ${KEY_FILE})"
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fi
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# Fetch bundle
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fetch_bundle "$server"
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# Start heartbeat in background
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start_heartbeat "$server" &
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# Launch cameras
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launch_cameras
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# Cleanup
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kill $(jobs -p) 2>/dev/null || true
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}
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trap 'kill $(jobs -p) 2>/dev/null; exit' INT TERM
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main "$@"
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