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netdata/node.d/node_modules/netdata.js at master · beride/netdata · GitHub
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'use strict'
;
// netdata
// real-time performance and health monitoring, done right!
// (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
// GPL v3+
var
url
=
require
(
'url'
)
;
var
http
=
require
(
'http'
)
;
var
util
=
require
(
'util'
)
;
/*
var netdata = require('netdata');
var example_chart = {
id: 'id', // the unique id of the chart
name: 'name', // the name of the chart
title: 'title', // the title of the chart
units: 'units', // the units of the chart dimensions
family: 'family', // the family of the chart
context: 'context', // the context of the chart
type: netdata.chartTypes.line, // the type of the chart
priority: 0, // the priority relative to others in the same family
update_every: 1, // the expected update frequency of the chart
dimensions: {
'dim1': {
id: 'dim1', // the unique id of the dimension
name: 'name', // the name of the dimension
algorithm: netdata.chartAlgorithms.absolute, // the id of the netdata algorithm
multiplier: 1, // the multiplier
divisor: 1, // the divisor
hidden: false, // is hidden (boolean)
},
'dim2': {
id: 'dim2', // the unique id of the dimension
name: 'name', // the name of the dimension
algorithm: 'absolute', // the id of the netdata algorithm
multiplier: 1, // the multiplier
divisor: 1, // the divisor
hidden: false, // is hidden (boolean)
}
// add as many dimensions as needed
}
};
*/
var
netdata
=
{
options
:
{
filename
:
__filename
,
DEBUG
:
false
,
update_every
:
1
}
,
chartAlgorithms
:
{
incremental
:
'incremental'
,
absolute
:
'absolute'
,
percentage_of_absolute_row
:
'percentage-of-absolute-row'
,
percentage_of_incremental_row
:
'percentage-of-incremental-row'
}
,
chartTypes
:
{
line
:
'line'
,
area
:
'area'
,
stacked
:
'stacked'
}
,
services
:
new
Array
(
)
,
modules_configuring
:
0
,
charts
:
{
}
,
processors
:
{
http
:
{
name
:
'http'
,
process
:
function
(
service
,
callback
)
{
var
__DEBUG
=
netdata
.
options
.
DEBUG
;
if
(
__DEBUG
===
true
)
netdata
.
debug
(
service
.
module
.
name
+
': '
+
service
.
name
+
': making '
+
this
.
name
+
' request: '
+
netdata
.
stringify
(
service
.
request
)
)
;
var
req
=
http
.
request
(
service
.
request
,
function
(
response
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
service
.
module
.
name
+
': '
+
service
.
name
+
': got server response...'
)
;
var
end
=
false
;
var
data
=
''
;
response
.
setEncoding
(
'utf8'
)
;
if
(
response
.
statusCode
!==
200
)
{
if
(
end
===
false
)
{
service
.
error
(
'Got HTTP code '
+
response
.
statusCode
+
', failed to get data.'
)
;
end
=
true
;
return
callback
(
null
)
;
}
}
response
.
on
(
'data'
,
function
(
chunk
)
{
if
(
end
===
false
)
data
+=
chunk
;
}
)
;
response
.
on
(
'error'
,
function
(
)
{
if
(
end
===
false
)
{
service
.
error
(
': Read error, failed to get data.'
)
;
end
=
true
;
return
callback
(
null
)
;
}
}
)
;
response
.
on
(
'end'
,
function
(
)
{
if
(
end
===
false
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
service
.
module
.
name
+
': '
+
service
.
name
+
': read completed.'
)
;
end
=
true
;
return
callback
(
data
)
;
}
}
)
;
}
)
;
req
.
on
(
'error'
,
function
(
e
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'Failed to make request: '
+
netdata
.
stringify
(
service
.
request
)
+
', message: '
+
e
.
message
)
;
service
.
error
(
'Failed to make request, message: '
+
e
.
message
)
;
return
callback
(
null
)
;
}
)
;
// write data to request body
if
(
typeof
service
.
postData
!==
'undefined'
&&
service
.
request
.
method
===
'POST'
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
service
.
module
.
name
+
': '
+
service
.
name
+
': posting data: '
+
service
.
postData
)
;
req
.
write
(
service
.
postData
)
;
}
req
.
end
(
)
;
}
}
}
,
stringify
:
function
(
obj
)
{
return
util
.
inspect
(
obj
,
{
depth
:
10
}
)
;
}
,
zeropad2
:
function
(
s
)
{
return
(
"00"
+
s
)
.
slice
(
-
2
)
;
}
,
logdate
:
function
(
d
)
{
if
(
typeof
d
===
'undefined'
)
d
=
new
Date
(
)
;
return
d
.
getFullYear
(
)
.
toString
(
)
+
'-'
+
this
.
zeropad2
(
d
.
getMonth
(
)
+
1
)
+
'-'
+
this
.
zeropad2
(
d
.
getDate
(
)
)
+
' '
+
this
.
zeropad2
(
d
.
getHours
(
)
)
+
':'
+
this
.
zeropad2
(
d
.
getMinutes
(
)
)
+
':'
+
this
.
zeropad2
(
d
.
getSeconds
(
)
)
;
}
,
// show debug info, if debug is enabled
debug
:
function
(
msg
)
{
if
(
this
.
options
.
DEBUG
===
true
)
{
console
.
error
(
this
.
logdate
(
)
+
': '
+
netdata
.
options
.
filename
+
': DEBUG: '
+
(
(
typeof
(
msg
)
===
'object'
)
?
netdata
.
stringify
(
msg
)
:
msg
)
.
toString
(
)
)
;
}
}
,
// log an error
error
:
function
(
msg
)
{
console
.
error
(
this
.
logdate
(
)
+
': '
+
netdata
.
options
.
filename
+
': ERROR: '
+
(
(
typeof
(
msg
)
===
'object'
)
?
netdata
.
stringify
(
msg
)
:
msg
)
.
toString
(
)
)
;
}
,
// send data to netdata
send
:
function
(
msg
)
{
console
.
log
(
msg
.
toString
(
)
)
;
}
,
service
:
function
(
service
)
{
if
(
typeof
service
===
'undefined'
)
service
=
{
}
;
var
now
=
Date
.
now
(
)
;
service
.
_current_chart
=
null
;
// the current chart we work on
service
.
_queue
=
''
;
// data to be sent to netdata
service
.
error_reported
=
false
;
// error log flood control
service
.
added
=
false
;
// added to netdata.services
service
.
enabled
=
true
;
service
.
updates
=
0
;
service
.
running
=
false
;
service
.
started
=
0
;
service
.
ended
=
0
;
if
(
typeof
service
.
module
===
'undefined'
)
{
service
.
module
=
{
name
:
'not-defined-module'
}
;
service
.
error
(
'Attempted to create service without a module.'
)
;
service
.
enabled
=
false
;
}
if
(
typeof
service
.
name
===
'undefined'
)
{
service
.
name
=
'unnamed@'
+
service
.
module
.
name
+
'/'
+
now
;
}
if
(
typeof
service
.
processor
===
'undefined'
)
service
.
processor
=
netdata
.
processors
.
http
;
if
(
typeof
service
.
update_every
===
'undefined'
)
service
.
update_every
=
service
.
module
.
update_every
;
if
(
typeof
service
.
update_every
===
'undefined'
)
service
.
update_every
=
netdata
.
options
.
update_every
;
if
(
service
.
update_every
<
netdata
.
options
.
update_every
)
service
.
update_every
=
netdata
.
options
.
update_every
;
// align the runs
service
.
next_run
=
now
-
(
now
%
(
service
.
update_every
*
1000
)
)
+
(
service
.
update_every
*
1000
)
;
service
.
commit
=
function
(
)
{
if
(
this
.
added
!==
true
)
{
this
.
added
=
true
;
var
now
=
Date
.
now
(
)
;
this
.
next_run
=
now
-
(
now
%
(
service
.
update_every
*
1000
)
)
+
(
service
.
update_every
*
1000
)
;
netdata
.
services
.
push
(
this
)
;
if
(
netdata
.
options
.
DEBUG
===
true
)
netdata
.
debug
(
this
.
module
.
name
+
': '
+
this
.
name
+
': service committed.'
)
;
}
}
;
service
.
execute
=
function
(
responseProcessor
)
{
var
__DEBUG
=
netdata
.
options
.
DEBUG
;
if
(
service
.
enabled
===
false
)
return
responseProcessor
(
null
)
;
this
.
module
.
active
++
;
this
.
running
=
true
;
this
.
started
=
Date
.
now
(
)
;
this
.
updates
++
;
if
(
__DEBUG
===
true
)
netdata
.
debug
(
this
.
module
.
name
+
': '
+
this
.
name
+
': making '
+
this
.
processor
.
name
+
' request: '
+
netdata
.
stringify
(
this
)
)
;
this
.
processor
.
process
(
this
,
function
(
response
)
{
service
.
ended
=
Date
.
now
(
)
;
service
.
duration
=
service
.
ended
-
service
.
started
;
if
(
typeof
response
===
'undefined'
)
response
=
null
;
if
(
response
!==
null
)
service
.
errorClear
(
)
;
if
(
__DEBUG
===
true
)
netdata
.
debug
(
service
.
module
.
name
+
': '
+
service
.
name
+
': processing '
+
service
.
processor
.
name
+
' response (received in '
+
(
service
.
ended
-
service
.
started
)
.
toString
(
)
+
' ms)'
)
;
responseProcessor
(
service
,
response
)
;
service
.
running
=
false
;
service
.
module
.
active
--
;
if
(
service
.
module
.
active
<
0
)
{
service
.
module
.
active
=
0
;
if
(
__DEBUG
===
true
)
netdata
.
debug
(
service
.
module
.
name
+
': active module counter below zero.'
)
;
}
if
(
service
.
module
.
active
===
0
)
{
// check if we run under configure
if
(
service
.
module
.
configure_callback
!==
null
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
service
.
module
.
name
+
': configuration finish callback called from processResponse().'
)
;
var
configure_callback
=
service
.
module
.
configure_callback
;
service
.
module
.
configure_callback
=
null
;
configure_callback
(
)
;
}
}
}
)
;
}
;
service
.
update
=
function
(
)
{
if
(
netdata
.
options
.
DEBUG
===
true
)
netdata
.
debug
(
this
.
module
.
name
+
': '
+
this
.
name
+
': starting data collection...'
)
;
this
.
module
.
update
(
this
,
function
(
)
{
if
(
netdata
.
options
.
DEBUG
===
true
)
netdata
.
debug
(
service
.
module
.
name
+
': '
+
service
.
name
+
': data collection ended in '
+
service
.
duration
.
toString
(
)
+
' ms.'
)
;
}
)
;
}
;
service
.
error
=
function
(
message
)
{
if
(
this
.
error_reported
===
false
)
{
netdata
.
error
(
this
.
module
.
name
+
': '
+
this
.
name
+
': '
+
message
)
;
this
.
error_reported
=
true
;
}
else
if
(
netdata
.
options
.
DEBUG
===
true
)
netdata
.
debug
(
this
.
module
.
name
+
': '
+
this
.
name
+
': '
+
message
)
;
}
;
service
.
errorClear
=
function
(
)
{
this
.
error_reported
=
false
;
}
;
service
.
queue
=
function
(
txt
)
{
this
.
_queue
+=
txt
+
'\n'
;
}
;
service
.
_send_chart_to_netdata
=
function
(
chart
)
{
// internal function to send a chart to netdata
this
.
queue
(
'CHART "'
+
chart
.
id
+
'" "'
+
chart
.
name
+
'" "'
+
chart
.
title
+
'" "'
+
chart
.
units
+
'" "'
+
chart
.
family
+
'" "'
+
chart
.
context
+
'" "'
+
chart
.
type
+
'" '
+
chart
.
priority
.
toString
(
)
+
' '
+
chart
.
update_every
.
toString
(
)
)
;
if
(
typeof
(
chart
.
dimensions
)
!==
'undefined'
)
{
var
dims
=
Object
.
keys
(
chart
.
dimensions
)
;
var
len
=
dims
.
length
;
while
(
len
--
)
{
var
d
=
chart
.
dimensions
[
dims
[
len
]
]
;
this
.
queue
(
'DIMENSION "'
+
d
.
id
+
'" "'
+
d
.
name
+
'" "'
+
d
.
algorithm
+
'" '
+
d
.
multiplier
.
toString
(
)
+
' '
+
d
.
divisor
.
toString
(
)
+
' '
+
(
(
d
.
hidden
===
true
)
?
'hidden'
:
''
)
.
toString
(
)
)
;
d
.
_created
=
true
;
d
.
_updated
=
false
;
}
}
chart
.
_created
=
true
;
chart
.
_updated
=
false
;
}
;
// begin data collection for a chart
service
.
begin
=
function
(
chart
)
{
if
(
this
.
_current_chart
!==
null
&&
this
.
_current_chart
!==
chart
)
{
this
.
error
(
'Called begin() for chart '
+
chart
.
id
+
' while chart '
+
this
.
_current_chart
.
id
+
' is still open. Closing it.'
)
;
this
.
end
(
)
;
}
if
(
typeof
(
chart
.
id
)
===
'undefined'
||
netdata
.
charts
[
chart
.
id
]
!==
chart
)
{
this
.
error
(
'Called begin() for chart '
+
chart
.
id
+
' that is not mine. Where did you find it? Ignoring it.'
)
;
return
false
;
}
if
(
netdata
.
options
.
DEBUG
===
true
)
netdata
.
debug
(
'setting current chart to '
+
chart
.
id
)
;
this
.
_current_chart
=
chart
;
this
.
_current_chart
.
_began
=
true
;
if
(
this
.
_current_chart
.
_dimensions_count
!==
0
)
{
if
(
this
.
_current_chart
.
_created
===
false
||
this
.
_current_chart
.
_updated
===
true
)
this
.
_send_chart_to_netdata
(
this
.
_current_chart
)
;
var
now
=
this
.
ended
;
this
.
queue
(
'BEGIN '
+
this
.
_current_chart
.
id
+
' '
+
(
(
this
.
_current_chart
.
_last_updated
>
0
)
?
(
(
now
-
this
.
_current_chart
.
_last_updated
)
*
1000
)
:
''
)
.
toString
(
)
)
;
}
// else this.error('Called begin() for chart ' + chart.id + ' which is empty.');
this
.
_current_chart
.
_last_updated
=
now
;
this
.
_current_chart
.
_began
=
true
;
this
.
_current_chart
.
_counter
++
;
return
true
;
}
;
// set a collected value for a chart
// we do most things on the first value we attempt to set
service
.
set
=
function
(
dimension
,
value
)
{
if
(
this
.
_current_chart
===
null
)
{
this
.
error
(
'Called set('
+
dimension
+
', '
+
value
+
') without an open chart.'
)
;
return
false
;
}
if
(
typeof
(
this
.
_current_chart
.
dimensions
[
dimension
]
)
===
'undefined'
)
{
this
.
error
(
'Called set('
+
dimension
+
', '
+
value
+
') but dimension "'
+
dimension
+
'" does not exist in chart "'
+
this
.
_current_chart
.
id
+
'".'
)
;
return
false
;
}
if
(
typeof
value
===
'undefined'
||
value
===
null
)
return
false
;
if
(
this
.
_current_chart
.
_dimensions_count
!==
0
)
{
if
(
value
instanceof
Buffer
)
this
.
queue
(
'SET '
+
dimension
+
' = 0x'
+
value
.
toString
(
'hex'
)
)
;
else
this
.
queue
(
'SET '
+
dimension
+
' = '
+
value
.
toString
(
)
)
;
}
return
true
;
}
;
// end data collection for the current chart - after calling begin()
service
.
end
=
function
(
)
{
if
(
this
.
_current_chart
!==
null
&&
this
.
_current_chart
.
_began
===
false
)
{
this
.
error
(
'Called end() without an open chart.'
)
;
return
false
;
}
if
(
this
.
_current_chart
.
_dimensions_count
!==
0
)
{
this
.
queue
(
'END'
)
;
netdata
.
send
(
this
.
_queue
)
;
}
this
.
_queue
=
''
;
this
.
_current_chart
.
_began
=
false
;
if
(
netdata
.
options
.
DEBUG
===
true
)
netdata
.
debug
(
'sent chart '
+
this
.
_current_chart
.
id
)
;
this
.
_current_chart
=
null
;
return
true
;
}
;
// discard the collected values for the current chart - after calling begin()
service
.
flush
=
function
(
)
{
if
(
this
.
_current_chart
===
null
||
this
.
_current_chart
.
_began
===
false
)
{
this
.
error
(
'Called flush() without an open chart.'
)
;
return
false
;
}
this
.
_queue
=
''
;
this
.
_current_chart
.
_began
=
false
;
this
.
_current_chart
=
null
;
return
true
;
}
;
// create a netdata chart
service
.
chart
=
function
(
id
,
chart
)
{
var
__DEBUG
=
netdata
.
options
.
DEBUG
;
if
(
typeof
(
netdata
.
charts
[
id
]
)
===
'undefined'
)
{
netdata
.
charts
[
id
]
=
{
_created
:
false
,
_updated
:
true
,
_began
:
false
,
_counter
:
0
,
_last_updated
:
0
,
_dimensions_count
:
0
,
id
:
id
,
name
:
id
,
title
:
'untitled chart'
,
units
:
'a unit'
,
family
:
''
,
context
:
''
,
type
:
netdata
.
chartTypes
.
line
,
priority
:
50000
,
update_every
:
netdata
.
options
.
update_every
,
dimensions
:
{
}
}
;
}
var
c
=
netdata
.
charts
[
id
]
;
if
(
typeof
(
chart
.
name
)
!==
'undefined'
&&
chart
.
name
!==
c
.
name
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
' updated its name'
)
;
c
.
name
=
chart
.
name
;
c
.
_updated
=
true
;
}
if
(
typeof
(
chart
.
title
)
!==
'undefined'
&&
chart
.
title
!==
c
.
title
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
' updated its title'
)
;
c
.
title
=
chart
.
title
;
c
.
_updated
=
true
;
}
if
(
typeof
(
chart
.
units
)
!==
'undefined'
&&
chart
.
units
!==
c
.
units
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
' updated its units'
)
;
c
.
units
=
chart
.
units
;
c
.
_updated
=
true
;
}
if
(
typeof
(
chart
.
family
)
!==
'undefined'
&&
chart
.
family
!==
c
.
family
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
' updated its family'
)
;
c
.
family
=
chart
.
family
;
c
.
_updated
=
true
;
}
if
(
typeof
(
chart
.
context
)
!==
'undefined'
&&
chart
.
context
!==
c
.
context
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
' updated its context'
)
;
c
.
context
=
chart
.
context
;
c
.
_updated
=
true
;
}
if
(
typeof
(
chart
.
type
)
!==
'undefined'
&&
chart
.
type
!==
c
.
type
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
' updated its type'
)
;
c
.
type
=
chart
.
type
;
c
.
_updated
=
true
;
}
if
(
typeof
(
chart
.
priority
)
!==
'undefined'
&&
chart
.
priority
!==
c
.
priority
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
' updated its priority'
)
;
c
.
priority
=
chart
.
priority
;
c
.
_updated
=
true
;
}
if
(
typeof
(
chart
.
update_every
)
!==
'undefined'
&&
chart
.
update_every
!==
c
.
update_every
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
' updated its update_every from '
+
c
.
update_every
+
' to '
+
chart
.
update_every
)
;
c
.
update_every
=
chart
.
update_every
;
c
.
_updated
=
true
;
}
if
(
typeof
(
chart
.
dimensions
)
!==
'undefined'
)
{
var
dims
=
Object
.
keys
(
chart
.
dimensions
)
;
var
len
=
dims
.
length
;
while
(
len
--
)
{
var
x
=
dims
[
len
]
;
if
(
typeof
(
c
.
dimensions
[
x
]
)
===
'undefined'
)
{
c
.
_dimensions_count
++
;
c
.
dimensions
[
x
]
=
{
_created
:
false
,
_updated
:
false
,
id
:
x
,
// the unique id of the dimension
name
:
x
,
// the name of the dimension
algorithm
:
netdata
.
chartAlgorithms
.
absolute
,
// the id of the netdata algorithm
multiplier
:
1
,
// the multiplier
divisor
:
1
,
// the divisor
hidden
:
false
// is hidden (boolean)
}
;
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
' created dimension '
+
x
)
;
c
.
_updated
=
true
;
}
var
dim
=
chart
.
dimensions
[
x
]
;
var
d
=
c
.
dimensions
[
x
]
;
if
(
typeof
(
dim
.
name
)
!==
'undefined'
&&
d
.
name
!==
dim
.
name
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
', dimension '
+
x
+
' updated its name'
)
;
d
.
name
=
dim
.
name
;
d
.
_updated
=
true
;
}
if
(
typeof
(
dim
.
algorithm
)
!==
'undefined'
&&
d
.
algorithm
!==
dim
.
algorithm
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
', dimension '
+
x
+
' updated its algorithm from '
+
d
.
algorithm
+
' to '
+
dim
.
algorithm
)
;
d
.
algorithm
=
dim
.
algorithm
;
d
.
_updated
=
true
;
}
if
(
typeof
(
dim
.
multiplier
)
!==
'undefined'
&&
d
.
multiplier
!==
dim
.
multiplier
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
', dimension '
+
x
+
' updated its multiplier'
)
;
d
.
multiplier
=
dim
.
multiplier
;
d
.
_updated
=
true
;
}
if
(
typeof
(
dim
.
divisor
)
!==
'undefined'
&&
d
.
divisor
!==
dim
.
divisor
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
', dimension '
+
x
+
' updated its divisor'
)
;
d
.
divisor
=
dim
.
divisor
;
d
.
_updated
=
true
;
}
if
(
typeof
(
dim
.
hidden
)
!==
'undefined'
&&
d
.
hidden
!==
dim
.
hidden
)
{
if
(
__DEBUG
===
true
)
netdata
.
debug
(
'chart '
+
id
+
', dimension '
+
x
+
' updated its hidden status'
)
;
d
.
hidden
=
dim
.
hidden
;
d
.
_updated
=
true
;
}
if
(
d
.
_updated
)
c
.
_updated
=
true
;
}
}
//if(netdata.options.DEBUG === true) netdata.debug(netdata.charts);
return
netdata
.
charts
[
id
]
;
}
;
return
service
;
}
,
runAllServices
:
function
(
)
{
if
(
netdata
.
options
.
DEBUG
===
true
)
netdata
.
debug
(
'runAllServices()'
)
;
var
now
=
Date
.
now
(
)
;
var
len
=
netdata
.
services
.
length
;
while
(
len
--
)
{
var
service
=
netdata
.
services
[
len
]
;
if
(
service
.
enabled
===
false
||
service
.
running
===
true
)
continue
;
if
(
now
<=
service
.
next_run
)
continue
;
service
.
update
(
)
;
now
=
Date
.
now
(
)
;
service
.
next_run
=
now
-
(
now
%
(
service
.
update_every
*
1000
)
)
+
(
service
.
update_every
*
1000
)
;
}
// 1/10th of update_every in pause
setTimeout
(
netdata
.
runAllServices
,
netdata
.
options
.
update_every
*
100
)
;
}
,
start
:
function
(
)
{
if
(
netdata
.
options
.
DEBUG
===
true
)
this
.
debug
(
'started, services: '
+
netdata
.
stringify
(
this
.
services
)
)
;
if
(
this
.
services
.
length
===
0
)
{
this
.
disableNodePlugin
(
)
;
// eslint suggested way to exit
var
exit
=
process
.
exit
;
exit
(
1
)
;
}
else
this
.
runAllServices
(
)
;
}
,
// disable the whole node.js plugin
disableNodePlugin
:
function
(
)
{
this
.
send
(
'DISABLE'
)
;
// eslint suggested way to exit
var
exit
=
process
.
exit
;
exit
(
1
)
;
}
,
requestFromParams
:
function
(
protocol
,
hostname
,
port
,
path
,
method
)
{
return
{
protocol
:
protocol
,
hostname
:
hostname
,
port
:
port
,
path
:
path
,
//family: 4,
method
:
method
,
headers
:
{
'Content-Type'
:
'application/x-www-form-urlencoded'
,
'Connection'
:
'keep-alive'
}
,
agent
:
new
http
.
Agent
(
{
keepAlive
:
true
,
keepAliveMsecs
:
netdata
.
options
.
update_every
*
1000
,
maxSockets
:
2
,
// it must be 2 to work
maxFreeSockets
:
1
}
)
}
;
}
,
requestFromURL
:
function
(
a_url
)
{
var
u
=
url
.
parse
(
a_url
)
;
return
netdata
.
requestFromParams
(
u
.
protocol
,
u
.
hostname
,
u
.
port
,
u
.
path
,
'GET'
)
;
}
,
configure
:
function
(
module
,
config
,
callback
)
{
if
(
netdata
.
options
.
DEBUG
===
true
)
this
.
debug
(
module
.
name
+
': configuring (update_every: '
+
this
.
options
.
update_every
+
')...'
)
;
module
.
active
=
0
;
module
.
update_every
=
this
.
options
.
update_every
;
if
(
typeof
config
.
update_every
!==
'undefined'
)
module
.
update_every
=
config
.
update_every
;
module
.
enable_autodetect
=
(
config
.
enable_autodetect
)
?
true
:
false
;
if
(
typeof
(
callback
)
===
'function'
)
module
.
configure_callback
=
callback
;
else
module
.
configure_callback
=
null
;
var
added
=
module
.
configure
(
config
)
;
if
(
netdata
.
options
.
DEBUG
===
true
)
this
.
debug
(
module
.
name
+
': configured, reporting '
+
added
+
' eligible services.'
)
;
if
(
module
.
configure_callback
!==
null
&&
added
===
0
)
{
if
(
netdata
.
options
.
DEBUG
===
true
)
this
.
debug
(
module
.
name
+
': configuration finish callback called from configure().'
)
;
var
configure_callback
=
module
.
configure_callback
;
module
.
configure_callback
=
null
;
configure_callback
(
)
;
}
return
added
;
}
}
;
if
(
netdata
.
options
.
DEBUG
===
true
)
netdata
.
debug
(
'loaded netdata from:'
,
__filename
)
;
module
.
exports
=
netdata
;
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