Add SQL script for gs_metrics database and tables

modules/resource_stats/mysql_query.sql

@@ -0,0 +1,66 @@
+-- Database: gs_metrics  (create and grant user as needed)
+CREATE DATABASE IF NOT EXISTS gs_metrics CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- Example user:
+-- CREATE USER 'gs_metrics'@'%' IDENTIFIED BY 'REPLACE_ME';
+-- GRANT ALL PRIVILEGES ON gs_metrics.* TO 'gs_metrics'@'%';
+-- FLUSH PRIVILEGES;
+
+USE gs_metrics;
+
+CREATE TABLE IF NOT EXISTS machines (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  machine_id VARCHAR(64) NOT NULL,
+  hostname   VARCHAR(255) NOT NULL,
+  ip         VARCHAR(45) DEFAULT NULL,
+  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  UNIQUE KEY uniq_machine (machine_id)
+) ENGINE=InnoDB;
+
+CREATE TABLE IF NOT EXISTS machine_samples (
+  id BIGINT AUTO_INCREMENT PRIMARY KEY,
+  machine_id VARCHAR(64) NOT NULL,
+  ts DATETIME NOT NULL,
+  load1 DECIMAL(6,2),
+  load5 DECIMAL(6,2),
+  load15 DECIMAL(6,2),
+  cpu_pct DECIMAL(6,2),
+  mem_used_bytes BIGINT,
+  mem_total_bytes BIGINT,
+  mem_used_pct DECIMAL(6,2),
+  swap_used_bytes BIGINT,
+  swap_total_bytes BIGINT,
+  disk_path VARCHAR(255),
+  disk_total_bytes BIGINT,
+  disk_used_bytes BIGINT,
+  disk_used_pct DECIMAL(6,2),
+  net_iface VARCHAR(64),
+  rx_bytes BIGINT,
+  tx_bytes BIGINT,
+  iface_speed_mbps INT NULL,
+  KEY idx_machine_ts (machine_id, ts),
+  KEY idx_ts (ts)
+) ENGINE=InnoDB;
+
+CREATE TABLE IF NOT EXISTS process_samples (
+  id BIGINT AUTO_INCREMENT PRIMARY KEY,
+  machine_id VARCHAR(64) NOT NULL,
+  ts DATETIME NOT NULL,
+  server_name VARCHAR(255) NOT NULL,
+  server_path VARCHAR(512) NOT NULL,
+  pid INT NOT NULL,
+  proc_name VARCHAR(255),
+  cmd TEXT,
+  cpu_pct DECIMAL(7,2),
+  rss_bytes BIGINT,
+  vms_bytes BIGINT,
+  mem_pct DECIMAL(6,2),
+  io_read_bytes BIGINT,
+  io_write_bytes BIGINT,
+  open_fds INT,
+  listening_ports VARCHAR(255),
+  folder_size_bytes BIGINT,
+  KEY idx_proc_server (machine_id, server_name, ts),
+  KEY idx_proc_pid (machine_id, pid, ts),
+  KEY idx_ts (ts)
+) ENGINE=InnoDB;