feat: 新增 Bash 和 Dart 客户端 SDK 及 demo

- 新增 kenaito-conf-bash-client（Bash 4.0+，依赖 curl、jq）及对应 demo - 新增 kenaito-conf-dart-client（Dart 2.12+，空安全）及对应 demo - 新增 Dockerfile.bash（debian:bookworm-slim）和 Dockerfile.dart（dart:3.5） - README 技术栈和项目结构补充 Bash、Dart 客户端 - README_EN.md 同步更新 - README_DOCKERFILE.md 补充 Bash、Dart 构建命令 - 修复 Bash 客户端 curl 2>&1 混入 stderr 导致响应解析失败 - 修复 Dart 客户端 latest.fetch.timestamp 类型转换兼容 string/num
2026-08-19 21:11:28 +08:00
parent 97a5843483
commit 5f67274e3f
18 changed files with 1143 additions and 4 deletions
@@ -0,0 +1,82 @@
+#!/usr/bin/env bash
+# Kenaito Config Center Bash Client Demo
+
+# 引入客户端库
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "${SCRIPT_DIR}/../kenaito-conf-bash-client/lib/kenaito_conf.sh"
+
+# 配置（可通过环境变量覆盖）
+export KENAITO_BASE_URL="${KENAITO_BASE_URL:-http://localhost:8080}"
+export KENAITO_APP_NAME="${KENAITO_APP_NAME:-kenaito-bash-demo}"
+export KENAITO_ENV="${KENAITO_ENV:-daily}"
+export KENAITO_VERSION="${KENAITO_VERSION:-latest}"
+export KENAITO_TOKEN="${KENAITO_TOKEN:-}"
+export KENAITO_SYNC_INTERVAL="${KENAITO_SYNC_INTERVAL:-10}"
+export KENAITO_CACHE_DIR="${KENAITO_CACHE_DIR:-.}"
+
+# 本地默认配置
+declare -A config_values
+config_values=(
+    ["database.host"]="${DATABASE_HOST:-192.168.1.1}"
+    ["database.port"]="${DATABASE_PORT:-8888}"
+    ["database.name"]="${DATABASE_NAME:-xxxx}"
+    ["database.user"]="${DATABASE_USER:-xxxx}"
+    ["database.password"]="${DATABASE_PASSWORD:-xxxxxxxx}"
+)
+
+# 变更回调函数
+kenaito_on_change() {
+    local changed_keys="$1"
+    echo "Config changed:"
+    IFS=', ' read -ra keys <<< "$changed_keys"
+    for key in "${keys[@]}"; do
+        local value
+        value=$(kenaito_get "$key")
+        echo "  $key = $value"
+        if [ -n "${config_values[$key]+x}" ]; then
+            config_values["$key"]="$value"
+            echo "  [updated] $key = $value"
+        fi
+    done
+}
+
+# 启动客户端
+kenaito_start
+if [ $? -eq 0 ]; then
+    # 用远程配置覆盖本地默认值
+    for key in "${!config_values[@]}"; do
+        remote_value=$(kenaito_get "$key")
+        if [ -n "$remote_value" ]; then
+            config_values["$key"]="$remote_value"
+        fi
+    done
+
+    # 统计配置数量
+    count=0
+    for key in "${!_KENAITO_CONFIGS[@]}"; do
+        count=$((count + 1))
+    done
+    echo "loaded $count configs from remote"
+    echo ""
+else
+    echo "Failed to init config client, using local defaults"
+    echo ""
+fi
+
+# 显示当前配置
+echo "Current configs:"
+for key in $(echo "${!config_values[@]}" | tr ' ' '\n' | sort); do
+    echo "  $key = ${config_values[$key]}"
+done
+
+echo ""
+echo "Listening for config changes... (press Ctrl+C to stop)"
+
+# 信号处理
+trap 'echo ""; echo "Shutting down..."; exit 0' INT TERM
+
+# 同步循环
+while true; do
+    kenaito_sync_once
+    sleep "$KENAITO_SYNC_INTERVAL"
+done