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# -*- coding: utf-8 -*-
from __future__ import absolute_import
import collections
from ..security import Scope
from ..services.ceph_service import CephService
from ..tools import NotificationQueue
from . import APIDoc, APIRouter, BaseController, Endpoint, EndpointDoc, ReadPermission
LOG_BUFFER_SIZE = 30
LOGS_SCHEMA = {
"clog": ([str], ""),
"audit_log": ([{
"name": (str, ""),
"rank": (str, ""),
"addrs": ({
"addrvec": ([{
"type": (str, ""),
"addr": (str, "IP Address"),
"nonce": (int, ""),
}], ""),
}, ""),
"stamp": (str, ""),
"seq": (int, ""),
"channel": (str, ""),
"priority": (str, ""),
"message": (str, ""),
}], "Audit log")
}
@APIRouter('/logs', Scope.LOG)
@APIDoc("Logs Management API", "Logs")
class Logs(BaseController):
def __init__(self):
super().__init__()
self._log_initialized = False
self.log_buffer = collections.deque(maxlen=LOG_BUFFER_SIZE)
self.audit_buffer = collections.deque(maxlen=LOG_BUFFER_SIZE)
def append_log(self, log_struct):
if log_struct['channel'] == 'audit':
self.audit_buffer.appendleft(log_struct)
else:
self.log_buffer.appendleft(log_struct)
def load_buffer(self, buf, channel_name):
lines = CephService.send_command(
'mon', 'log last', channel=channel_name, num=LOG_BUFFER_SIZE, level='debug')
for line in lines:
buf.appendleft(line)
def initialize_buffers(self):
if not self._log_initialized:
self._log_initialized = True
self.load_buffer(self.log_buffer, 'cluster')
self.load_buffer(self.audit_buffer, 'audit')
NotificationQueue.register(self.append_log, 'clog')
@Endpoint()
@ReadPermission
@EndpointDoc("Display Logs Configuration",
responses={200: LOGS_SCHEMA})
def all(self):
self.initialize_buffers()
return dict(
clog=list(self.log_buffer),
audit_log=list(self.audit_buffer),
)
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