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-- Copyright 2015 Mirantis, Inc.
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
local l = require 'lpeg'
l.locale(l)
local common_log_format = require 'common_log_format'
local patt = require 'os_patterns'
local utils = require 'os_utils'
local msg = {
Timestamp = nil,
Type = 'log',
Hostname = nil,
Payload = nil,
Pid = nil,
Fields = nil,
Severity = 6,
}
local severity_label = utils.severity_to_label_map[msg.Severity]
local apache_log_pattern = read_config("apache_log_pattern") or error(
"apache_log_pattern configuration must be specificed")
local apache_grammar = common_log_format.build_apache_grammar(apache_log_pattern)
local request_grammar = l.Ct(patt.http_request)
function process_message ()
-- logger is either "ceilometer-apache-public" or "ceilometer-apache-admin"
local logger = read_message("Logger")
local log = read_message("Payload")
local m
m = apache_grammar:match(log)
if m then
msg.Logger = 'openstack.ceilometer'
msg.Payload = log
msg.Timestamp = m.time
msg.Fields = {}
msg.Fields.http_status = m.status
msg.Fields.http_response_time = m.request_time.value / 1e6 -- us to sec
msg.Fields.programname = logger
msg.Fields.severity_label = severity_label
local request = m.request
m = request_grammar:match(request)
if m then
msg.Fields.http_method = m.http_method
msg.Fields.http_url = m.http_url
msg.Fields.http_version = m.http_version
end
return utils.safe_inject_message(msg)
end
return -1, string.format("Failed to parse %s log: %s", logger, string.sub(log, 1, 64))
end
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