first commit

Author: samsam2310

README.md

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+# Server-monitor
+
+
+pip install raven --upgrade

serverlog/__init__.py

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+# -*- coding: utf-8 -*-
+
+""" serverlog.
+"""
+
+from __future__ import absolute_import, print_function, unicode_literals
+
+from datetime import datetime, timedelta
+import signal
+import argparse
+import json
+
+
+class Job:
+    time_offset = timedelta(seconds=1)
+
+    def __init__(self, cycle, job_callback):
+        self.cycle= cycle
+        self.job_callback = job_callback
+        self.next_time = datetime.utcnow()
+
+    def check_and_do_job(self):
+        now = datetime.utcnow() + self.time_offset
+        if now > self.next_time:
+            self.job_callback()
+            # subp.call(['zbackup.sh',self.dataset,self.rot])
+            self.next_time = ((now - self.next_time)//self.cycle + 1) * self.cycle
+        return self.next_time
+
+
+job_queue = []
+def do_jobs():
+    sleep_until = min(x.check_and_do_job() for x in job_queue)
+    sleep_time_int = int((sleep_until-datetime.utcnow()).total_seconds())
+    signal.alarm(max(sleep_time_int,1))
+
+config_file_path = ''
+def load_config_file():
+    with open(config_file_path) as f:
+        config = json.load(f)
+
+    job_queue.clear()
+    for job in config.get('jobs', []):
+        pass
+
+def set_signal_handler():
+    signal.signal(signal.SIGALRM, do_jobs)
+    signal.signal(signal.SIGUSR1, load_config_file)
+
+def start_service():
+    load_config_file()
+    while True:
+        signal.pause()
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(
+    		description='Server status or service status logging service.')
+    parser.add_argument('-d','--deamon',
+                        dest='is_deamon',
+                        action='store_const',
+                        const=True,
+                        default=False,
+                        help='Run the service in deamon mond.')
+    parser.add_argument('-c','--config',
+                        dest='config',
+                        default='/usr/local/etc/serverlog.conf',
+                        help='The path of the configuration file.')
+    parser.add_argument('-p','--pid',
+                        dest='pidfile',
+                        default='/var/run/serverlog.pid',
+                        help='The path of the pid file.')
+
+    args = parser.parse_args()
+    if args.is_deamon:
+        pid = os.fork()
+        if pid != 0:
+            with open(args.pidfile, 'w') as pidfile:
+                pidfile.write('%d' % pid)
+            exit(0)
+    config_file_path = args.config
+    start_service()

serverlog/__main__.py

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+{
+	"jobs" : [
+		{
+			"cycle": "60",  // check every 60 seconds
+			"log-cycle": "60", // log every 60 checking, so log every 60 mins.
+			"type": "SERVER-RUN",
+			"args": {
+				"cpu": {
+					"warning": "70%",
+					"error": "90%"
+				},
+				"memory": {
+					"warning": "70%",
+					"error": "90%"
+				}
+			}
+		},
+		{
+			"cycle": "3600",
+			"log-cycle": "6",
+			"type": "SERVER-DISK",
+			"args": {
+				"disk": {
+					"path": "/var/db",
+					"warning": "70%",
+					"error": "80%"
+				},
+			}
+		},
+	]
+}