mirror of https://github.com/openspug/spug
A api add monitor scheduler
parent
76c2bcf922
commit
588395150a
|
@ -0,0 +1,48 @@
|
|||
from libs.ssh import SSH
|
||||
from apps.host.models import Host
|
||||
from apps.setting.utils import AppSetting
|
||||
from socket import socket
|
||||
import requests
|
||||
import logging
|
||||
|
||||
logging.captureWarnings(True)
|
||||
|
||||
|
||||
def site_check(url):
|
||||
status_code = -1
|
||||
try:
|
||||
res = requests.get(url, timeout=10, verify=False)
|
||||
status_code = res.status_code
|
||||
finally:
|
||||
return status_code == 200
|
||||
|
||||
|
||||
def port_check(addr, port):
|
||||
sock = socket()
|
||||
sock.settimeout(5)
|
||||
return sock.connect_ex((addr, int(port))) == 0
|
||||
|
||||
|
||||
def host_executor(host, pkey, command):
|
||||
exit_code = -1
|
||||
try:
|
||||
cli = SSH(host.hostname, host.port, host.username, pkey=pkey)
|
||||
exit_code, _ = cli.exec_command(command)
|
||||
finally:
|
||||
return exit_code == 0
|
||||
|
||||
|
||||
def dispatch(tp, addr, extra):
|
||||
if tp == '1':
|
||||
return site_check(addr)
|
||||
elif tp == '2':
|
||||
return port_check(addr, extra)
|
||||
elif tp == '3':
|
||||
command = f'ps -ef|grep -v grep|grep {extra!r}'
|
||||
elif tp == '4':
|
||||
command = extra
|
||||
else:
|
||||
raise TypeError(f'invalid monitor type: {tp!r}')
|
||||
pkey = AppSetting.get('private_key')
|
||||
host = Host.objects.filter(pk=addr).first()
|
||||
return host_executor(host, pkey, command)
|
|
@ -0,0 +1,10 @@
|
|||
from django.core.management.base import BaseCommand
|
||||
from apps.monitor.scheduler import Scheduler
|
||||
|
||||
|
||||
class Command(BaseCommand):
|
||||
help = 'Start monitor process'
|
||||
|
||||
def handle(self, *args, **options):
|
||||
s = Scheduler()
|
||||
s.run()
|
|
@ -10,6 +10,10 @@ class Detection(models.Model, ModelMixin):
|
|||
('3', '进程检测'),
|
||||
('4', '自定义脚本'),
|
||||
)
|
||||
STATUS = (
|
||||
(0, '成功'),
|
||||
(1, '失败'),
|
||||
)
|
||||
name = models.CharField(max_length=50)
|
||||
type = models.CharField(max_length=2, choices=TYPES)
|
||||
addr = models.CharField(max_length=255)
|
||||
|
@ -19,6 +23,11 @@ class Detection(models.Model, ModelMixin):
|
|||
rate = models.IntegerField(default=5)
|
||||
threshold = models.IntegerField(default=3)
|
||||
quiet = models.IntegerField(default=24 * 60)
|
||||
fault_times = models.SmallIntegerField(default=0)
|
||||
latest_status = models.SmallIntegerField(choices=STATUS, null=True)
|
||||
latest_run_time = models.CharField(max_length=20, null=True)
|
||||
latest_fault_time = models.IntegerField(null=True)
|
||||
latest_notify_time = models.IntegerField(default=0)
|
||||
|
||||
created_at = models.CharField(max_length=20, default=human_time)
|
||||
created_by = models.ForeignKey(User, models.PROTECT, related_name='+')
|
||||
|
@ -28,6 +37,7 @@ class Detection(models.Model, ModelMixin):
|
|||
def to_dict(self, *args, **kwargs):
|
||||
tmp = super().to_dict(*args, **kwargs)
|
||||
tmp['type_alias'] = self.get_type_display()
|
||||
tmp['latest_status_alias'] = self.get_latest_status_display()
|
||||
return tmp
|
||||
|
||||
def __repr__(self):
|
||||
|
|
|
@ -0,0 +1,90 @@
|
|||
from apscheduler.schedulers.background import BackgroundScheduler
|
||||
from apscheduler.triggers.interval import IntervalTrigger
|
||||
from apscheduler import events
|
||||
from django_redis import get_redis_connection
|
||||
from apps.monitor.models import Detection
|
||||
from apps.monitor.executors import dispatch
|
||||
from django.conf import settings
|
||||
from libs import AttrDict, human_time
|
||||
import logging
|
||||
import json
|
||||
import time
|
||||
|
||||
logger = logging.getLogger("django.apps.monitor")
|
||||
|
||||
|
||||
class Scheduler:
|
||||
timezone = settings.TIME_ZONE
|
||||
|
||||
def __init__(self):
|
||||
self.scheduler = BackgroundScheduler(timezone=self.timezone)
|
||||
self.scheduler.add_listener(self._handle_event, )
|
||||
|
||||
def _handle_notify(self, obj, old_status):
|
||||
if obj.latest_status == 0:
|
||||
if old_status == 1:
|
||||
logger.info(f'{human_time()} recover job_id: {obj.id}')
|
||||
else:
|
||||
if obj.fault_times >= obj.threshold:
|
||||
if time.time() - obj.latest_notify_time >= obj.quiet * 60:
|
||||
obj.latest_notify_time = int(time.time())
|
||||
obj.save()
|
||||
logger.info(f'{human_time()} notify job_id: {obj.id}')
|
||||
|
||||
def _handle_event(self, event):
|
||||
# TODO: notify to user
|
||||
if event.code == events.EVENT_SCHEDULER_SHUTDOWN:
|
||||
logger.info(f'EVENT_SCHEDULER_SHUTDOWN: {event}')
|
||||
if event.code == events.EVENT_JOB_MAX_INSTANCES:
|
||||
logger.info(f'EVENT_JOB_MAX_INSTANCES: {event}')
|
||||
if event.code == events.EVENT_JOB_ERROR:
|
||||
logger.info(f'EVENT_JOB_ERROR: job_id {event.job_id} exception: {event.exception}')
|
||||
if event.code == events.EVENT_JOB_MISSED:
|
||||
logger.info(f'EVENT_JOB_MISSED: job_id {event.job_id}')
|
||||
if event.code == events.EVENT_JOB_EXECUTED:
|
||||
obj = Detection.objects.filter(pk=event.job_id).first()
|
||||
old_status = obj.latest_status
|
||||
obj.latest_status = 0 if event.retval else 1
|
||||
obj.latest_run_time = human_time(event.scheduled_run_time)
|
||||
if old_status == 0 and event.retval is False:
|
||||
obj.latest_fault_time = int(time.time())
|
||||
if obj.latest_status == 0:
|
||||
obj.latest_notify_time = 0
|
||||
obj.fault_times = 0
|
||||
else:
|
||||
obj.fault_times += 1
|
||||
obj.save()
|
||||
self._handle_notify(obj, old_status)
|
||||
|
||||
def _init(self):
|
||||
self.scheduler.start()
|
||||
for item in Detection.objects.filter(is_active=True):
|
||||
trigger = IntervalTrigger(minutes=int(item.rate), timezone=self.timezone)
|
||||
self.scheduler.add_job(
|
||||
dispatch,
|
||||
trigger,
|
||||
id=str(item.id),
|
||||
args=(item.type, item.addr, item.extra),
|
||||
)
|
||||
|
||||
def run(self):
|
||||
rds_cli = get_redis_connection()
|
||||
self._init()
|
||||
rds_cli.delete(settings.MONITOR_KEY)
|
||||
logger.info('Running monitor')
|
||||
while True:
|
||||
_, data = rds_cli.blpop(settings.MONITOR_KEY)
|
||||
task = AttrDict(json.loads(data))
|
||||
if task.action in ('add', 'modify'):
|
||||
trigger = IntervalTrigger(minutes=int(task.rate), timezone=self.timezone)
|
||||
self.scheduler.add_job(
|
||||
dispatch,
|
||||
trigger,
|
||||
id=str(task.id),
|
||||
args=(task.type, task.addr, task.extra),
|
||||
replace_existing=True
|
||||
)
|
||||
elif task.action == 'remove':
|
||||
job = self.scheduler.get_job(str(task.id))
|
||||
if job:
|
||||
job.remove()
|
|
@ -1,6 +1,9 @@
|
|||
from django.views.generic import View
|
||||
from libs import json_response, JsonParser, Argument, human_time
|
||||
from apps.monitor.models import Detection
|
||||
from django_redis import get_redis_connection
|
||||
from django.conf import settings
|
||||
import json
|
||||
|
||||
|
||||
class DetectionView(View):
|
||||
|
@ -22,12 +25,38 @@ class DetectionView(View):
|
|||
).parse(request.body)
|
||||
if error is None:
|
||||
if form.id:
|
||||
form.updated_at = human_time()
|
||||
form.updated_by = request.user
|
||||
Detection.objects.filter(pk=form.pop('id')).update(**form)
|
||||
Detection.objects.filter(pk=form.id).update(
|
||||
updated_at=human_time(),
|
||||
updated_by=request.user,
|
||||
**form)
|
||||
task = Detection.objects.filter(pk=form.id).first()
|
||||
if task and task.is_active:
|
||||
form.action = 'modify'
|
||||
rds_cli = get_redis_connection()
|
||||
rds_cli.rpush(settings.MONITOR_KEY, json.dumps(form))
|
||||
else:
|
||||
form.created_by = request.user
|
||||
Detection.objects.create(**form)
|
||||
Detection.objects.create(created_by=request.user, **form)
|
||||
form.action = 'add'
|
||||
rds_cli = get_redis_connection()
|
||||
rds_cli.rpush(settings.MONITOR_KEY, json.dumps(form))
|
||||
return json_response(error=error)
|
||||
|
||||
def patch(self, request):
|
||||
form, error = JsonParser(
|
||||
Argument('id', type=int, help='请指定操作对象'),
|
||||
Argument('is_active', type=bool, required=False)
|
||||
).parse(request.body, True)
|
||||
if error is None:
|
||||
Detection.objects.filter(pk=form.id).update(**form)
|
||||
if form.get('is_active') is not None:
|
||||
if form.is_active:
|
||||
task = Detection.objects.filter(pk=form.id).first()
|
||||
message = {'id': form.id, 'action': 'add'}
|
||||
message.update(task.to_dict(selects=('addr', 'extra', 'rate', 'type')))
|
||||
else:
|
||||
message = {'id': form.id, 'action': 'remove'}
|
||||
rds_cli = get_redis_connection()
|
||||
rds_cli.rpush(settings.MONITOR_KEY, json.dumps(message))
|
||||
return json_response(error=error)
|
||||
|
||||
def delete(self, request):
|
||||
|
@ -35,5 +64,9 @@ class DetectionView(View):
|
|||
Argument('id', type=int, help='请指定操作对象')
|
||||
).parse(request.GET)
|
||||
if error is None:
|
||||
Detection.objects.filter(pk=form.id).delete()
|
||||
task = Detection.objects.filter(pk=form.id).first()
|
||||
if task:
|
||||
if task.is_active:
|
||||
return json_response(error='该监控项正在运行中,请先停止后再尝试删除')
|
||||
task.delete()
|
||||
return json_response(error=error)
|
||||
|
|
|
@ -2,4 +2,5 @@ apscheduler==3.6.3
|
|||
Django==2.2.7
|
||||
channels==2.3.1
|
||||
paramiko==2.6.0
|
||||
django-redis==4.10.0
|
||||
django-redis==4.10.0
|
||||
requests==2.22.0
|
|
@ -81,6 +81,7 @@ CHANNEL_LAYERS = {
|
|||
}
|
||||
|
||||
SCHEDULE_KEY = 'spug:schedule'
|
||||
MONITOR_KEY = 'spug:monitor'
|
||||
|
||||
# Internationalization
|
||||
# https://docs.djangoproject.com/en/2.2/topics/i18n/
|
||||
|
|
Loading…
Reference in New Issue