Refactor auto-boot-ollama-host script into modular structure with separate configuration, network, SSH, and service management modules for improved maintainability and readability

scripts/ollama_manager.lua

@@ -0,0 +1,50 @@
+-- Ollama service management module for auto-boot-ollama-host
+-- Handles starting, stopping, and monitoring Ollama service
+
+local socket = require("socket")
+local utils = require("utils")
+local network = require("network")
+local ssh = require("ssh")
+
+local ollama_manager = {}
+
+-- Start Ollama service via SSH
+function ollama_manager.start_service(config)
+  utils.log("SSH is reachable. Starting ollama service...")
+  socket.sleep(5)
+  
+  -- Start ollama service using nssm
+  ssh.execute("nssm start ollama", config.SSH_USER, config.OLLAMA_HOST, config.SSH_PORT, config.SSH_IDENTITY_FILE)
+  
+  -- Alternative systemctl commands (commented out)
+  -- ssh.execute('wsl.exe -d Debian -- sudo systemctl enable ollama', config.SSH_USER, config.OLLAMA_HOST, config.SSH_PORT, config.SSH_IDENTITY_FILE)
+  -- ssh.execute('wsl.exe -d Debian -- sudo systemctl start ollama', config.SSH_USER, config.OLLAMA_HOST, config.SSH_PORT, config.SSH_IDENTITY_FILE)
+  
+  -- Wait for service to become available
+  if network.port_is_up(config.OLLAMA_HOST, config.OLLAMA_PORT, 90) then
+    utils.log("Ollama service is reachable again.")
+    socket.sleep(30)
+    return true
+  else
+    utils.log("Timeout waiting for Ollama service to come up after SSH command.")
+    return false
+  end
+end
+
+-- Stop Ollama service and shutdown host
+function ollama_manager.stop_service_and_shutdown(config)
+  utils.log("Shutting down Ollama host to save power...")
+  
+  -- Stop ollama service using nssm
+  ssh.execute("nssm stop ollama", config.SSH_USER, config.OLLAMA_HOST, config.SSH_PORT, config.SSH_IDENTITY_FILE)
+  
+  -- Alternative systemctl commands (commented out)
+  -- ssh.execute('wsl.exe -d Debian -- sudo systemctl disable ollama', config.SSH_USER, config.OLLAMA_HOST, config.SSH_PORT, config.SSH_IDENTITY_FILE)
+  -- ssh.execute('wsl.exe -d Debian -- sudo systemctl stop ollama', config.SSH_USER, config.OLLAMA_HOST, config.SSH_PORT, config.SSH_IDENTITY_FILE)
+  
+  -- Shutdown the host
+  ssh.execute("shutdown.exe /s /t 0", config.SSH_USER, config.OLLAMA_HOST, config.SSH_PORT, config.SSH_IDENTITY_FILE)
+  socket.sleep(5)
+end
+
+return ollama_manager