Class: ManageEngine::APMMetricsParser

Inherits:
Object
  • Object
show all
Defined in:
lib/agent/metrics/am_metricsparser.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ APMMetricsParser

Returns a new instance of APMMetricsParser.



6
7
8
 
# File 'lib/agent/metrics/am_metricsparser.rb', line 6

def initialize
	@obj = ManageEngine::APMObjectHolder.instance
end

Instance Method Details

#getDBData(tracker, tdata, exceptionInfo) ⇒ Object

Generates DB metric



161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
 
# File 'lib/agent/metrics/am_metricsparser.rb', line 161

def getDBData(tracker, tdata, exceptionInfo)
  if (tracker != nil)
    children = tracker.children
     children.each do |child|
          tdata["db"] = getDBData(child, tdata, exceptionInfo)
          if child.kind_of?(ManageEngine::Tracker::DatabaseTracker)
                if tdata["db"] == nil
                  tdata["db"] = Array.new
                end
                queryInfo = child.getQueryInfo
                sqlStrip = queryInfo[0] + "/" + queryInfo[1] + "/dummydb"
                ret ={"rt"=>child.duration, "sql"=>child.getRawQuery,
                      "sql-strip"=>sqlStrip, "name"=>child.name, "operation"=>queryInfo[0]}
                
                if (child.error?)
                  ret["error"] = true
                end
                
            tdata["db"].push(ret)
          end ## DBTracker check
          
#            updateComponentData(child, tdata)
          if (child.error?)
            updateExceptionMetric(child.error, tdata) # <= previously it was 'ret'
            updateExceptionInfo(exceptionInfo, child.endtime.to_i, child.error)
          end
       end #end of children iteration

#        tdata["db"] = getDBData(tracker.child, tdata, exceptionInfo)
#		    
#		    if tracker.kind_of?(ManageEngine::Tracker::DatabaseTracker)
#          if tdata["db"] == nil
#            tdata["db"] = Array.new
#          end
#          
#          queryInfo = tracker.getQueryInfo
#          sqlStrip = queryInfo[0] + "/" + queryInfo[1] + "/dummydb"
#    
#          ret ={"rt"=>tracker.duration, "sql"=>tracker.getRawQuery,
#                "sql-strip"=>sqlStrip, "name"=>tracker.name, "operation"=>queryInfo[0]}
#          
#          if (tracker.error?)
#            ret["error"] = true
#          end
#          
#          tdata["db"].push(ret)
#		    end ## DBTracker check
#		    
#		    if (tracker.error?)
#          updateExceptionMetric(tracker.error, tdata) # <= previously it was 'ret'
#          updateExceptionInfo(exceptionInfo, tracker.endtime.to_i, tracker.error)
#		    end
#		    
#		    tracker = tracker.sibling
  end ## if tracker nil
  
  tdata["db"]
end

#getDummyTrace ⇒ Object 



120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
 
# File 'lib/agent/metrics/am_metricsparser.rb', line 120

def getDummyTrace
	top = Array.new
	path = @obj.constants.mf_overflow
	det = {"thread_name"=>"rorthread","s_time"=>0,"t_name"=>path,"r_time"=>0,"thread_id"=>141}
	trData = Array.new
	trData[0] = 0
	trData[1] = path
	trData[2] = ""
	trData[3] = 0
	trData[4] = 0
	trData[5] = nil
	trData[6] = Array.new
	top[0] = det
	top[1] = trData
	return top
end

#getTransData(rootTracker, tdata) ⇒ Object 



137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
 
# File 'lib/agent/metrics/am_metricsparser.rb', line 137

def getTransData(rootTracker, tdata)
	ret = nil;
	begin
			if(tdata.has_key?("td"))
				ret = tdata["td"]
				ret["rt"] = ret["rt"] + rootTracker.duration
			else
				ret = {"rt"=> rootTracker.duration, "path"=>rootTracker.getTxnName, "type"=>rootTracker.getTxnType}
				if (rootTracker.error?)
				  ret["error"] = true
				end
			end
			if (rootTracker.getStatus != nil && rootTracker.getStatus >= 400) 
			  ret["status"] = rootTracker.getStatus
			  ret["error"] = true
			end
	rescue Exception=>e
		#@obj.log.logException "Exception in getTranseData: #{e.message}",e
		raise e
	end
	ret
end

#parse(data) ⇒ Object

Invoked by APMWorker in dc



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/agent/metrics/am_metricsparser.rb', line 11

def parse(data)
	@obj = ManageEngine::APMObjectHolder.instance
	parseddata = Hash.new
	begin
		data.each do |txn_name, seqBag|
			@obj.log.debug "[Processing started for - #{txn_name} ]"
			
			seqBag.each do |seqData|
			  begin
          tdata = Hash.new #transaction data -> rt, path,..
          exceptionInfo = Array.new # data to be sent in trace as 'loginfo'
			  
          rootTracker = seqData["roottracker"]
          
			  tdata["td"] = getTransData(rootTracker,tdata)
			  tdata["db"] = getDBData(rootTracker, tdata, exceptionInfo)
          
			  if (rootTracker.error?) # root tracker will be left out in above flow
            updateExceptionMetric(rootTracker.error, tdata) # <= previously it was 'ret'
            updateExceptionInfo(exceptionInfo, rootTracker.endtime.to_i, rootTracker.error)
			  end
			  exceptionBag = seqData["exceptions"]
			  if exceptionBag != nil
			    exceptionBag.each do |exceptionRecord|
			      updateExceptionMetric(exceptionRecord.exception,tdata)
			      updateExceptionInfo(exceptionInfo, exceptionRecord.time, exceptionRecord.exception, exceptionRecord.message)
			    end
			  end
			  
			  parseddata = updateParsedData(txn_name, tdata.dup, parseddata)
          
          if @obj.config.trans_trace && (rootTracker.duration >= (@obj.config.trans_trace_t.to_f*1000).to_i || rootTracker.error?)
            parseddata = updateTraceData(rootTracker, parseddata, exceptionInfo)
          end
			  rescue Exception=>e
			    @obj.log.logException "Exception in Parsing txn #{txn_name}",e
			  end
			end # do - seqBag
			
			@obj.store.removeData txn_name
			@obj.log.debug "[Processing END for - #{txn_name} ]"
		end # do-loop
	rescue Exception=>e
		@obj.log.info "Exception : #{e}"
		@obj.log.logException "#{e.message}",e
	end
#			@obj.log.debug "[PARSER] End"
	
	parseddata
end

#updateComponentData(tracker, tdata) ⇒ Object 



220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
 
# File 'lib/agent/metrics/am_metricsparser.rb', line 220

def updateComponentData (tracker, tdata)
  begin
      compData = tdata["comp"]
      if (compData == nil)
        compData = Hash.new
        tdata["comp"] = compData
      end
      info = compData[tracker.component]
      if (info == nil) 
        info = Hash.new
        compData[tracker.component] = info
        info[@obj.constants.component_name] = tracker.component
        info[@obj.constants.component_time] = tracker.duration
        info[@obj.constants.component_count] = 1
         if (tracker.error?) 
            info[@obj.constants.component_error_count] = 1
         end
      else
          info[@obj.constants.component_time] += tracker.duration
            info[@obj.constants.component_count] += 1
            if (tracker.error?) 
              info[@obj.constants.component_error_count] += 1
            end
      end
  rescue Exception=>e
  end
end

#updateExceptionInfo(exceptionInfo, time, error, message = nil) ⇒ Object 



62
63
64
65
66
67
68
69
 
# File 'lib/agent/metrics/am_metricsparser.rb', line 62

def updateExceptionInfo (exceptionInfo, time, error, message = nil)
    logInfo = { @obj.constants.mf_loginfo_time => time,
                  @obj.constants.mf_loginfo_level => @obj.constants.mf_loginfo_level_warn,
                  @obj.constants.mf_loginfo_str => message != nil ? message : error.message,
                  @obj.constants.mf_loginfo_err_clz => error.class.to_s,
                  @obj.constants.mf_loginfo_st => @obj.util.formatStacktrace(error.backtrace) }
    exceptionInfo.push(logInfo)
end

#updateExceptionMetric(exception, tdata) ⇒ Object 



248
249
250
251
252
253
254
255
256
257
 
# File 'lib/agent/metrics/am_metricsparser.rb', line 248

def updateExceptionMetric (exception, tdata)
  excData = tdata["exception"]
  if (excData == nil)
    excData = Hash.new
    tdata["exception"] = excData
  end
  
  excData[exception.class.to_s] = excData[exception.class.to_s].to_i + 1
  excData[@obj.constants.mf_logmetric_warning] = excData[@obj.constants.mf_logmetric_warning].to_i + 1
end

#updateParsedData(key, tdata, parseddata) ⇒ Object 



71
72
73
74
75
76
77
78
79
80
81
82
83
 
# File 'lib/agent/metrics/am_metricsparser.rb', line 71

def updateParsedData (key, tdata, parseddata)
	begin
		if parseddata.has_key?(key)
			key = rand # Use a random number
		end
		#@obj.log.debug "Update parsed data  : #{key} = > #{tdata}"
		parseddata[key]=tdata
	rescue Exception=>e
		@obj.log.info "Exception in updateParsedData: #{e}"
		@obj.log.logException "#{e.message}",e
	end
		parseddata
end

#updateTrace(roottracker, trans, exceptionInfo) ⇒ Object 



259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
 
# File 'lib/agent/metrics/am_metricsparser.rb', line 259

def updateTrace(roottracker, trans, exceptionInfo)
#			{"thread_name":"http-8080-6","s_time":1326276180289,"t_name":"transaction\/http\/Test-App\/login","r_time":18,"thread_id":141}
	top =  Array.new
	path = roottracker.getTxnName
	det = {"s_time"=>trans[0],"t_name"=>path,"r_time"=>trans[3]}
  det = det.merge(roottracker.getTraceInfo)
	
	exception = trans[5] != nil ? trans[5][@obj.constants.mf_exception_st] : nil
	if (exception != nil)
	  det[@obj.constants.mf_err_st] = exception
	end
	
	if (exceptionInfo.length > 0)
	  det[@obj.constants.mf_loginfo] = exceptionInfo
	end
	
	top[0] = det
	top[1] = trans
	top
end

#updateTraceData(rootTracker, parseddata, exceptionInfo) ⇒ Object

Generates Trace for the transaction and updates it in ‘parseddata’ hash



86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
 
# File 'lib/agent/metrics/am_metricsparser.rb', line 86

def updateTraceData(rootTracker, parseddata, exceptionInfo)
	if(parseddata.has_key?("trace-data"))
		tData = parseddata["trace-data"];
		if(tData.length == @obj.config.trace_overflow_t)
			trac = getDummyTrace
			tData.push(trac)
			parseddata["trace-data"]=tData
			@obj.log.debug "dummy trace added"
        @obj.log.debug "trace threshold exceeded. Current Size: #{@obj.config.trace_overflow_t}"
			return parseddata
		elsif tData.length > @obj.config.trace_overflow_t
			return parseddata
		end
	end
	begin
	#trdata = getTrace(rootTracker)
	  trdata = rootTracker.getTrace()
	trac = updateTrace(rootTracker, trdata, exceptionInfo)
	if(parseddata.has_key?("trace-data"))
		traceData = parseddata["trace-data"];
		traceData.push(trac);
		parseddata["trace-data"] = traceData;
	else
		traceData = Array.new
		traceData.push(trac)
		parseddata["trace-data"] = traceData;
	end
	rescue Exception=>e
		@obj.log.info "Exception in updateTraceData: #{e}"
		@obj.log.logException "#{e.message}",e
	end
				parseddata
end