[NEW] refactoring of maintenance_server_monitoring in several modules

maintenance_server_monitoring_memory/models/__init__.py

@@ -0,0 +1 @@
+from . import maintenance_equipment

maintenance_server_monitoring_memory/models/maintenance_equipment.py

@@ -0,0 +1,51 @@
+from odoo import fields, models, api
+
+
+AVAILABLE_MEMORY_PERCENT_COMMAND = "free | grep Mem | awk '{print $3/$2 * 100.0}'"
+MIN_AVAILABLE_MEMORY_PERCENT_WARNING = 20
+MIN_AVAILABLE_MEMORY_PERCENT_ERROR = 5
+
+class MaintenanceEquipment(models.Model):
+    _inherit = 'maintenance.equipment'    
+    
+    available_memory_percent = fields.Float('Percent of available memory', readonly=True)
+         
+    def get_tests(self):
+        res = super(MaintenanceEquipment, self).get_tests()
+        res.append("available_memory_percent")
+        return res
+    
+    def test_available_memory_percent(self):    
+        """
+            test available memory with a bash command called by ssh
+
+            Args:
+                ssh (paramiko.SSHClient): ssh client
+
+            Returns:
+                MonitoringTest: representing current test with :
+                    * result = -2 if error
+                    * result = percent of available memory if no error
+                    * error defined with MonitoringTest.ERROR or MonitoringTest.WARNING depending on result comparaison 
+                        with MIN_AVAILABLE_MEMORY_PERCENT_WARNING and MIN_AVAILABLE_MEMORY_PERCENT_ERROR
+                    * log file
+        """      
+        test = self.MonitoringTest("Available memory percent")      
+        try:
+            ssh = self.get_ssh_connection()
+            if not ssh:
+                return test.test_error(-2, "No ssh connection")            
+            _stdin, stdout, _stderr = ssh.exec_command(AVAILABLE_MEMORY_PERCENT_COMMAND)
+            available_memory_percent = float(stdout.read().decode())
+            if available_memory_percent > MIN_AVAILABLE_MEMORY_PERCENT_WARNING:                
+                return test.test_ok(available_memory_percent, f"{available_memory_percent}% available")
+            elif available_memory_percent > MIN_AVAILABLE_MEMORY_PERCENT_ERROR: 
+                # memory between warning and error step
+                return test.test_warning(available_memory_percent, f"{available_memory_percent}% available (<{MIN_AVAILABLE_MEMORY_PERCENT_WARNING})")                
+            else:
+                # memory available lower than error step
+                return test.test_error(available_memory_percent, f"{available_memory_percent}% available (<{MIN_AVAILABLE_MEMORY_PERCENT_ERROR})")
+        except Exception as e:
+            return test.test_error(-2, f"{e}")                         
+            
+