Script to backup eRegister server db on client machine

misc/copy_backup_from_remote_host.py

@@ -0,0 +1,89 @@
+# run crontab on client machine: 00 * * * * python3 /home/openmrs/backups/copy_backup_from_remote_host.py >> /var/log/copy_backup_from_remote_host.log 2>&1 
+import paramiko
+from datetime import datetime
+
+def execute_remote_script(hostname, username, password, remote_script_path):
+    try:
+        # Establish SSH connection
+        client = paramiko.SSHClient()
+        client.set_missing_host_key_policy(paramiko.AutoAddPolicy()) # Be cautious with AutoAddPolicy in production
+        client.connect(hostname, username=username, password=password)
+
+
+        # Execute the script on the remote server
+        stdin, stdout, stderr = client.exec_command(f"{remote_script_path}")
+
+        # Print output and errors
+        print("\nRemote script output:")
+        for line in stdout:
+            print(line.strip())
+
+        errors = stderr.read().decode()
+        if errors:
+            print("\nRemote script errors/warnings:")
+            print(errors)
+
+        client.close()
+
+    except paramiko.AuthenticationException:
+        print("Authentication failed. Check username and password.")
+    except paramiko.SSHException as e:
+        print(f"SSH error: {e}")
+    except Exception as e:
+        print(f"An error occurred: {e}")
+
+
+def copy_file_from_remote(hostname, username, password, remote_path, local_path, port=22):
+    try:
+        # Create an SSH client
+        ssh_client = paramiko.SSHClient()
+
+        # Automatically add the server's host key (use with caution in production)
+        ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+
+        # Connect to the remote server
+        ssh_client.connect(hostname=hostname, username=username, password=password, port=port)
+
+        # Open an SFTP client
+        sftp_client = ssh_client.open_sftp()
+
+        # Get the file from the remote server
+        print("Downloading Database file from server")
+        sftp_client.get(remote_path, local_path)
+
+        print(f"File '{remote_path}' successfully copied to '{local_path}'")
+
+    except paramiko.AuthenticationException:
+        print("Authentication failed. Please check your username and password.")
+    except paramiko.SSHException as e:
+        print(f"SSH connection error: {e}")
+    except FileNotFoundError:
+        print(f"Remote file '{remote_path}' not found or local path '{local_path}' is invalid.")
+    except Exception as e:
+        print(f"An unexpected error occurred: {e}")
+    finally:
+        # Close the SFTP and SSH connections
+        if 'sftp_client' in locals() and sftp_client:
+            sftp_client.close()
+        if 'ssh_client' in locals() and ssh_client:
+            ssh_client.close()
+
+if __name__ == "__main__":
+    now = datetime.now()
+
+    # Format the date as d-m-Y
+    formatted_date = now.strftime("%d_%m_%Y")
+    formatted_time = now.strftime("%H:%M:%S")
+
+    # Initializing variables:
+    REMOTE_HOST = "10.231.60.250"
+    REMOTE_USER = "openmrs"
+    REMOTE_PASSWORD = "M0Hpa$$01BB"
+    REMOTE_FILE_PATH = "/home/openmrs/backups/Botha_Bothe_Hosp_emr_"+str(formatted_date)+".tar.gz"  
+    LOCAL_SAVE_PATH = "/home/openmrs/backups/Botha_Bothe_Hosp_emr_"+str(formatted_date)+".tar.gz"          
+    REMOTE_SCRIPT_DEST = "/usr/local/bin/backups.sh"
+
+    print("Executing remote backup script to create most recent backups...")
+    execute_remote_script(REMOTE_HOST, REMOTE_USER, REMOTE_PASSWORD, REMOTE_SCRIPT_DEST)
+    print("Downloading latest backup from remote server at "+str(formatted_date)+" " +str(formatted_time))
+    copy_file_from_remote(REMOTE_HOST, REMOTE_USER, REMOTE_PASSWORD, REMOTE_FILE_PATH, LOCAL_SAVE_PATH)