From ea2d8ebe37452441200545c00c67cd1a61ac012f Mon Sep 17 00:00:00 2001
From: aso <aso@asohh.eu>
Date: Sat, 1 Nov 2025 12:20:36 +0100
Subject: [PATCH] first changes for sync of instances

---
 docker-compose-dev.yml         | 72 ++++++++++++++++++++++++++++++++++
 web/www/sunders/sync-state.php | 27 +++++++++++++
 2 files changed, 99 insertions(+)
 create mode 100644 docker-compose-dev.yml
 create mode 100644 web/www/sunders/sync-state.php

diff --git a/docker-compose-dev.yml b/docker-compose-dev.yml
new file mode 100644
index 0000000..58c2af2
--- /dev/null
+++ b/docker-compose-dev.yml
@@ -0,0 +1,72 @@
+services:
+  db:
+    image: mariadb:12.0.2
+    restart: unless-stopped
+    command: --max_allowed_packet=3250585600
+    environment:
+      MYSQL_ROOT_PASSWORD: rootpassword # ${{secrets.MYSQL_ROOT_PASSWORD}}
+      MYSQL_DATABASE: camera # ${{secrets.MYSQL_DATABASE}}
+      MYSQL_USER: camera # ${{secrets.MYSQL_USER}}
+      MYSQL_PASSWORD: camerapassword # ${{secrets.MYSQL_PASSWORD}}
+    volumes:
+        - ./mariadb:/var/lib/mysql:Z
+    healthcheck:
+      test: ["CMD", "mariadb-admin", "ping", "-h", "localhost", "-uroot", "-prootpassword"]
+      interval: 10s
+      timeout: 5s
+      start_period: 30s
+      retries: 5
+
+  web:
+    image: git.hamburg.ccc.de/ccchh/sunders/web:latest
+    restart: unless-stopped
+    environment:
+      MYSQL_HOST: db
+      MYSQL_DB: camera # ${{secrets.MYSQL_DATABASE}}
+      CAMERA_SELECT_USER: camera_select # ${{secrets.CAMERA_SELECT_USER}}
+      CAMERA_SELECT_USER_PASSWORD: camera_selectpassword # ${{secrets.CAMERA_SELECT_USER_PASSWORD}}
+      DEFAULT_ZOOM: 12
+      DEFAULT_LAT: 0
+      DEFAULT_LON: 0
+      DEFAULT_LANGUAGE: en
+      IMPRESSUM_URL: https://hamburg.ccc.de/imprint/
+    ports:
+      - "8081:80"
+    volumes:
+      - ./web/www/sunders:/var/www/html:Z
+    depends_on:
+      db:
+        condition: service_started
+    # all the way zoomed out, with hamburg at the center, at least one camera should be returned
+    healthcheck:
+      test: >
+        ["CMD", "curl -s 'http://localhost/camera.php?bbox=-92.52991540527346,30.683278176916133,131.7689595947266,72.87186315234298&zoom=4&width=2552&height=867' | grep '^\[.+\]$'"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+  
+  data_handler:
+    image: git.hamburg.ccc.de/ccchh/sunders/data_handler:latest
+    restart: unless-stopped
+    environment:
+      MYSQL_HOST: db
+      MYSQL_DB: camera # ${{secrets.MYSQL_DATABASE}}
+      MYSQL_USER: root # ${{secrets.MYSQL_USER}}
+      MYSQL_PASSWORD: rootpassword # ${{secrets.MYSQL_ROOT_PASSWORD}}
+      CAMERA_USER: camera # ${{secrets.CAMERA_USER}}
+      CAMERA_USER_PASSWORD: camerapassword # ${{secrets.CAMERA_USER_PASSWORD}}
+      CAMERA_SELECT_USER: camera_select # ${{secrets.CAMERA_SELECT_USER}}
+      CAMERA_SELECT_USER_PASSWORD: camera_selectpassword # ${{secrets.CAMERA_SELECT_USER_PASSWORD}}
+    depends_on:
+      db:
+        condition: service_healthy
+        restart: true
+    # if the latest `update_camera_*.log` contains "error", fail the healthcheck
+    healthcheck:
+      test: ["CMD", "sh", "-c", "ls /var/log | grep '^update_camera_' | xargs -I {} sh -c 'grep -q error /var/log/{} || exit 0; exit 1'"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  mariadb:
\ No newline at end of file
diff --git a/web/www/sunders/sync-state.php b/web/www/sunders/sync-state.php
new file mode 100644
index 0000000..095e92c
--- /dev/null
+++ b/web/www/sunders/sync-state.php
@@ -0,0 +1,27 @@
+<?php
+  error_reporting(0);
+  include $pathToWebFolder.'config.php';
+
+
+  /* Connect to database */
+  $mysqli = new mysqli(MYSQL_HOST, MYSQL_USER, MYSQL_PASSWORD, MYSQL_DB);
+  if($mysqli->connect_errno) {
+    header('Content-type: application/json');
+    $result = '{"error":"error while connecting to db : ' . $mysqli->error . '"}';
+    echo $result;
+    exit;
+  }
+
+  $syncstate_querry = $mysqli->query("SELECT * FROM sync_state WHERE k = 'sequenceNumber'");
+
+  while($row = $syncstate_querry->fetch_assoc()) {
+      $syncstate = array('sequenceNumber' => $row["v"]);
+    }
+
+  $result = json_encode($syncstate);
+
+  $mysqli->close();
+
+  header('Content-type: application/json; Charset : utf-8');
+  echo $result;
+?>