Merge pull request #20 from ATNoG/hotfix/table_creation

Init scripts to clickhouse

Author: ThiagoAVicente

Dockerfile.clickhouse-init

@@ -0,0 +1,6 @@
+FROM clickhouse/clickhouse-server:latest
+
+COPY init-clickhouse.sh /usr/local/bin/init-clickhouse.sh
+RUN chmod +x /usr/local/bin/init-clickhouse.sh
+
+ENTRYPOINT ["/usr/local/bin/init-clickhouse.sh"]

docker-compose.yml

@@ -32,10 +32,32 @@ services:
     volumes:
       - clickhouse_data:/var/lib/clickhouse
       - clickhouse_logs:/var/log/clickhouse-server
-      - ./sql:/docker-entrypoint-initdb.d
     networks:
       - nwdaf-network
     restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "clickhouse-client", "--query", "SELECT 1"]
+      interval: 5s
+      timeout: 3s
+      retries: 5
+
+  clickhouse-init:
+    build:
+      context: .
+      dockerfile: Dockerfile.clickhouse-init
+    container_name: clickhouse-init
+    depends_on:
+      clickhouse:
+        condition: service_healthy
+    environment:
+      - CLICKHOUSE_HOST=clickhouse
+      - CLICKHOUSE_USER=${CLICKHOUSE_USER}
+      - CLICKHOUSE_PASSWORD=${CLICKHOUSE_PASSWORD}
+    volumes:
+      - ./sql:/sql:ro
+    networks:
+      - nwdaf-network
+    restart: "no"
 
   data-storage:
     container_name: data-storage

init-clickhouse.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+set -e
+
+# ClickHouse connection settings
+HOST="${CLICKHOUSE_HOST:-clickhouse}"
+USER="${CLICKHOUSE_USER:-default}"
+PASSWORD="${CLICKHOUSE_PASSWORD}"
+
+# Build clickhouse-client command with credentials
+if [ -n "$PASSWORD" ]; then
+    CLICKHOUSE_CMD="clickhouse-client --host $HOST --user $USER --password $PASSWORD"
+else
+    CLICKHOUSE_CMD="clickhouse-client --host $HOST --user $USER"
+fi
+
+# Wait for ClickHouse to be ready
+echo "Waiting for ClickHouse to be ready..."
+until $CLICKHOUSE_CMD --query "SELECT 1" > /dev/null 2>&1; do
+    echo "ClickHouse is unavailable - sleeping"
+    sleep 2
+done
+
+echo "ClickHouse is up - executing SQL scripts"
+
+# Execute all SQL files in /sql directory in order
+for sql_file in /sql/*.sql; do
+    if [ -f "$sql_file" ]; then
+        echo "Executing: $sql_file"
+        $CLICKHOUSE_CMD --multiquery < "$sql_file"
+        echo "✓ Completed: $sql_file"
+    fi
+done
+
+echo "All SQL scripts executed successfully!"