def cron_get_host_process_status():
hosts_status = HostMeta.get_all_hosts_status()
for host_id in hosts_status:
host_ip = hosts_status[host_id]["IP"]
process_status = get_host_process_status(host_ip)
HostMeta.update_host_process_status(ip=host_ip,
process_status=process_status)
def test_get_host_process_status_with_server_outage(self, _subprocess):
_subprocess.Popen.return_value.stdout.read.return_value = ""
result = get_host_process_status("123.123.123.123")
_subprocess.Popen.assert_called_once_with(
"ansible 123.123.123.123 -a \"top -b -n 1\"",
shell=True,
stdout=_subprocess.PIPE
)
self.assertListEqual(result, [])
def test_get_host_process_status_with_server_available(self, _subprocess):
_subprocess.Popen.return_value.stdout.read.return_value = (
"""
Tasks: 78 total, 1 running, 76 sleeping, 0 stopped, 1 zombie
%Cpu(s): 1.6 us, 0.5 sy, 0.0 ni, 96.3 id, 1.7 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 1031916 total, 246824 used, 785092 free, 19372 buffers
KiB Swap: 2097148 total, 0 used, 2097148 free. 99460 cached Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 20 0 5188 3844 2948 S 0.0 0.4 0:00.67 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:00.06 ksoftirqd/0
5 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0H
6 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kworker/u2:0
7 root 20 0 0 0 0 S 0.0 0.0 0:00.14 rcu_sched
"""
)
result = get_host_process_status("123.123.123.123")
_subprocess.Popen.assert_called_once_with(
"ansible 123.123.123.123 -a \"top -b -n 1\"",
shell=True,
stdout=_subprocess.PIPE
)
self.assertListEqual(
result,
[
{
"Memory Usage": 0.4,
"CPU Usage": 0.0,
"Command": "systemd",
"PID": 1,
"User": "******",
"Time": "0:00.67"
},
{
"Memory Usage": 0.0,
"CPU Usage": 0.0,
"Command": "kthreadd",
"PID": 2,
"User": "******",
"Time": "0:00.00"
},
{
"Memory Usage": 0.0,
"CPU Usage": 0.0,
"Command": "ksoftirqd/0",
"PID": 3,
"User": "******",
"Time": "0:00.06"
},
{
"Memory Usage": 0.0,
"CPU Usage": 0.0,
"Command": "kworker/0:0H",
"PID": 5,
"User": "******",
"Time": "0:00.00"
},
{
"Memory Usage": 0.0,
"CPU Usage": 0.0,
"Command": "kworker/u2:0",
"PID": 6,
"User": "******",
"Time": "0:00.00"
}
]
)
