feat(halo): 增加halo配置 & 优化apps结构

apps/infra/data/postgresql-ha/configmap-pgpool-script.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: postgresql-ha-pgpool-script
+  namespace: infra-data
+data:
+  latency_test.sh: |-
+    #!/bin/bash
+    
+    install_packages ping
+    
+    # 读取环境变量
+    nodes=$PGPOOL_BACKEND_NODES
+    
+    echo $nodes