Files
maintenance-tools/maintenance_server_monitoring_disk/models/maintenance_equipment.py

52 lines
2.3 KiB
Python

from odoo import fields, models, api
USED_DISK_SPACE_COMMAND = "df /srv -h | tail -n +2 | sed -r 's/ +/ /g' | cut -f 5 -d ' ' | cut -f 1 -d %"
MAX_USED_DISK_SPACE_WARNING = 70
MAX_USED_DISK_SPACE_ERROR = 90
class MaintenanceEquipment(models.Model):
_inherit = 'maintenance.equipment'
used_disk_space = fields.Float('Percent of used disk space', readonly=True)
def get_tests(self):
res = super(MaintenanceEquipment, self).get_tests()
res.append("used_disk_space")
return res
def test_used_disk_space(self):
"""
test Used disk space 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 Used disk space if no error
* error defined with MonitoringTest.ERROR or MonitoringTest.WARNING depending on result comparaison
with MAX_USED_DISK_SPACE_WARNING and MAX_USED_DISK_SPACE_ERROR
* log file
"""
test = self.MonitoringTest("Used disk space")
try:
ssh = self.get_ssh_connection()
if not ssh:
return test.test_error(-2, "No ssh connection")
_stdin, stdout, _stderr = ssh.exec_command(USED_DISK_SPACE_COMMAND)
used_disk_space = float(stdout.read().decode())
if used_disk_space < MAX_USED_DISK_SPACE_WARNING:
return test.test_ok(used_disk_space, f"{used_disk_space}% used")
elif used_disk_space < MAX_USED_DISK_SPACE_ERROR:
# disk usage between WARNING and ERROR steps
return test.test_warning(used_disk_space, f"{used_disk_space}% used (>{MAX_USED_DISK_SPACE_WARNING})")
else:
# disk usage higher than ERROR steps
return test.test_error(used_disk_space, f"{used_disk_space}% used (>{MAX_USED_DISK_SPACE_ERROR})")
except Exception as e:
return test.test_error(-2, f"{e}")