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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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0bd3af81
编写于
2月 20, 2017
作者:
K
Kegan Dougal
浏览文件
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电子邮件补丁
差异文件
Add dugong to support writing to disk/rotations
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vendor/manifest
vendor/manifest
+6
-0
vendor/src/github.com/matrix-org/dugong/LICENSE
vendor/src/github.com/matrix-org/dugong/LICENSE
+201
-0
vendor/src/github.com/matrix-org/dugong/README.md
vendor/src/github.com/matrix-org/dugong/README.md
+10
-0
vendor/src/github.com/matrix-org/dugong/fshook.go
vendor/src/github.com/matrix-org/dugong/fshook.go
+210
-0
vendor/src/github.com/matrix-org/dugong/fshook_test.go
vendor/src/github.com/matrix-org/dugong/fshook_test.go
+314
-0
未找到文件。
vendor/manifest
浏览文件 @
0bd3af81
...
...
@@ -77,6 +77,12 @@
"revision": "a6657b2386e9b8be76484c08711b02c7cf867ead",
"branch": "master"
},
{
"importpath": "github.com/matrix-org/dugong",
"repository": "https://github.com/matrix-org/dugong",
"revision": "193b8f88e381d12f2d53023fba25e43fc81dc5ac",
"branch": "master"
},
{
"importpath": "github.com/matrix-org/gomatrixserverlib",
"repository": "https://github.com/matrix-org/gomatrixserverlib",
...
...
vendor/src/github.com/matrix-org/dugong/LICENSE
0 → 100644
浏览文件 @
0bd3af81
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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vendor/src/github.com/matrix-org/dugong/README.md
0 → 100644
浏览文件 @
0bd3af81
# dugong
Logging utilities for
[
logrus
](
https://github.com/Sirupsen/logrus
)
.
To develop on this library, you need logrus on your GOPATH:
``go get github.com/Sirupsen/logrus``
You can then run its tests by running
``go test``
vendor/src/github.com/matrix-org/dugong/fshook.go
0 → 100644
浏览文件 @
0bd3af81
package
dugong
import
(
"compress/gzip"
"fmt"
log
"github.com/Sirupsen/logrus"
"io"
"os"
"path/filepath"
"sync/atomic"
"time"
)
// RotationScheduler determines when files should be rotated.
type
RotationScheduler
interface
{
// ShouldRotate returns true if the file should be rotated. The suffix to apply
// to the filename is returned as the 2nd arg.
ShouldRotate
()
(
bool
,
string
)
// ShouldGZip returns true if the file should be gzipped when it is rotated.
ShouldGZip
()
bool
}
// DailyRotationSchedule rotates log files daily. Logs are only rotated
// when midnight passes *whilst the process is running*. E.g: if you run
// the process on Day 4 then stop it and start it on Day 7, no rotation will
// occur when the process starts.
type
DailyRotationSchedule
struct
{
GZip
bool
rotateAfter
*
time
.
Time
}
var
currentTime
=
time
.
Now
// exclusively for testing
func
dayOffset
(
t
time
.
Time
,
offsetDays
int
)
time
.
Time
{
// GoDoc:
// The month, day, hour, min, sec, and nsec values may be outside their
// usual ranges and will be normalized during the conversion.
// For example, October 32 converts to November 1.
return
time
.
Date
(
t
.
Year
(),
t
.
Month
(),
t
.
Day
()
+
offsetDays
,
0
,
0
,
0
,
0
,
t
.
Location
(),
)
}
func
(
rs
*
DailyRotationSchedule
)
ShouldRotate
()
(
bool
,
string
)
{
now
:=
currentTime
()
if
rs
.
rotateAfter
==
nil
{
nextRotate
:=
dayOffset
(
now
,
1
)
rs
.
rotateAfter
=
&
nextRotate
return
false
,
""
}
if
now
.
After
(
*
rs
.
rotateAfter
)
{
// the suffix should be actually the date of the complete day being logged
actualDay
:=
dayOffset
(
*
rs
.
rotateAfter
,
-
1
)
suffix
:=
"."
+
actualDay
.
Format
(
"2006-01-02"
)
// YYYY-MM-DD
nextRotate
:=
dayOffset
(
now
,
1
)
rs
.
rotateAfter
=
&
nextRotate
return
true
,
suffix
}
return
false
,
""
}
func
(
rs
*
DailyRotationSchedule
)
ShouldGZip
()
bool
{
return
rs
.
GZip
}
// NewFSHook makes a logging hook that writes formatted
// log entries to info, warn and error log files. Each log file
// contains the messages with that severity or higher. If a formatter is
// not specified, they will be logged using a JSON formatter. If a
// RotationScheduler is set, the files will be cycled according to its rules.
func
NewFSHook
(
infoPath
,
warnPath
,
errorPath
string
,
formatter
log
.
Formatter
,
rotSched
RotationScheduler
)
log
.
Hook
{
if
formatter
==
nil
{
formatter
=
&
log
.
JSONFormatter
{}
}
hook
:=
&
fsHook
{
entries
:
make
(
chan
log
.
Entry
,
1024
),
infoPath
:
infoPath
,
warnPath
:
warnPath
,
errorPath
:
errorPath
,
formatter
:
formatter
,
scheduler
:
rotSched
,
}
go
func
()
{
for
entry
:=
range
hook
.
entries
{
if
err
:=
hook
.
writeEntry
(
&
entry
);
err
!=
nil
{
fmt
.
Fprintf
(
os
.
Stderr
,
"Error writing to logfile: %v
\n
"
,
err
)
}
atomic
.
AddInt32
(
&
hook
.
queueSize
,
-
1
)
}
}()
return
hook
}
type
fsHook
struct
{
entries
chan
log
.
Entry
queueSize
int32
infoPath
string
warnPath
string
errorPath
string
formatter
log
.
Formatter
scheduler
RotationScheduler
}
func
(
hook
*
fsHook
)
Fire
(
entry
*
log
.
Entry
)
error
{
atomic
.
AddInt32
(
&
hook
.
queueSize
,
1
)
hook
.
entries
<-
*
entry
return
nil
}
func
(
hook
*
fsHook
)
writeEntry
(
entry
*
log
.
Entry
)
error
{
msg
,
err
:=
hook
.
formatter
.
Format
(
entry
)
if
err
!=
nil
{
return
nil
}
if
hook
.
scheduler
!=
nil
{
if
should
,
suffix
:=
hook
.
scheduler
.
ShouldRotate
();
should
{
if
err
:=
hook
.
rotate
(
suffix
,
hook
.
scheduler
.
ShouldGZip
());
err
!=
nil
{
return
err
}
}
}
if
entry
.
Level
<=
log
.
ErrorLevel
{
if
err
:=
logToFile
(
hook
.
errorPath
,
msg
);
err
!=
nil
{
return
err
}
}
if
entry
.
Level
<=
log
.
WarnLevel
{
if
err
:=
logToFile
(
hook
.
warnPath
,
msg
);
err
!=
nil
{
return
err
}
}
if
entry
.
Level
<=
log
.
InfoLevel
{
if
err
:=
logToFile
(
hook
.
infoPath
,
msg
);
err
!=
nil
{
return
err
}
}
return
nil
}
func
(
hook
*
fsHook
)
Levels
()
[]
log
.
Level
{
return
[]
log
.
Level
{
log
.
PanicLevel
,
log
.
FatalLevel
,
log
.
ErrorLevel
,
log
.
WarnLevel
,
log
.
InfoLevel
,
}
}
// rotate all the log files to the given suffix.
// If error path is "err.log" and suffix is "1" then move
// the contents to "err.log1".
// This requires no locking as the goroutine calling this is the same
// one which does the logging. Since we don't hold open a handle to the
// file when writing, a simple Rename is all that is required.
func
(
hook
*
fsHook
)
rotate
(
suffix
string
,
gzip
bool
)
error
{
for
_
,
fpath
:=
range
[]
string
{
hook
.
errorPath
,
hook
.
warnPath
,
hook
.
infoPath
}
{
logFilePath
:=
fpath
+
suffix
if
err
:=
os
.
Rename
(
fpath
,
logFilePath
);
err
!=
nil
{
// e.g. because there were no errors in error.log for this day
fmt
.
Fprintf
(
os
.
Stderr
,
"Error rotating file %s: %v
\n
"
,
fpath
,
err
)
continue
// don't try to gzip if we failed to rotate
}
if
gzip
{
if
err
:=
gzipFile
(
logFilePath
);
err
!=
nil
{
fmt
.
Fprintf
(
os
.
Stderr
,
"Failed to gzip file %s: %v
\n
"
,
logFilePath
,
err
)
}
}
}
return
nil
}
func
logToFile
(
path
string
,
msg
[]
byte
)
error
{
fd
,
err
:=
os
.
OpenFile
(
path
,
os
.
O_WRONLY
|
os
.
O_APPEND
|
os
.
O_CREATE
,
0600
)
if
err
!=
nil
{
return
err
}
defer
fd
.
Close
()
_
,
err
=
fd
.
Write
(
msg
)
return
err
}
func
gzipFile
(
fpath
string
)
error
{
reader
,
err
:=
os
.
Open
(
fpath
)
if
err
!=
nil
{
return
err
}
filename
:=
filepath
.
Base
(
fpath
)
target
:=
filepath
.
Join
(
filepath
.
Dir
(
fpath
),
filename
+
".gz"
)
writer
,
err
:=
os
.
Create
(
target
)
if
err
!=
nil
{
return
err
}
defer
writer
.
Close
()
archiver
:=
gzip
.
NewWriter
(
writer
)
archiver
.
Name
=
filename
defer
archiver
.
Close
()
_
,
err
=
io
.
Copy
(
archiver
,
reader
)
return
err
}
vendor/src/github.com/matrix-org/dugong/fshook_test.go
0 → 100644
浏览文件 @
0bd3af81
package
dugong
import
(
"bufio"
"encoding/json"
log
"github.com/Sirupsen/logrus"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"sync"
"sync/atomic"
"testing"
"time"
)
const
(
fieldName
=
"my_field"
fieldValue
=
"my_value"
)
func
TestFSHookInfo
(
t
*
testing
.
T
)
{
logger
,
hook
,
wait
,
teardown
:=
setupLogHook
(
t
)
defer
teardown
()
logger
.
WithField
(
fieldName
,
fieldValue
)
.
Info
(
"Info message"
)
wait
()
checkLogFile
(
t
,
hook
.
infoPath
,
"info"
)
}
func
TestFSHookWarn
(
t
*
testing
.
T
)
{
logger
,
hook
,
wait
,
teardown
:=
setupLogHook
(
t
)
defer
teardown
()
logger
.
WithField
(
fieldName
,
fieldValue
)
.
Warn
(
"Warn message"
)
wait
()
checkLogFile
(
t
,
hook
.
infoPath
,
"warning"
)
checkLogFile
(
t
,
hook
.
warnPath
,
"warning"
)
}
func
TestFSHookError
(
t
*
testing
.
T
)
{
logger
,
hook
,
wait
,
teardown
:=
setupLogHook
(
t
)
defer
teardown
()
logger
.
WithField
(
fieldName
,
fieldValue
)
.
Error
(
"Error message"
)
wait
()
checkLogFile
(
t
,
hook
.
infoPath
,
"error"
)
checkLogFile
(
t
,
hook
.
warnPath
,
"error"
)
checkLogFile
(
t
,
hook
.
errorPath
,
"error"
)
}
func
TestFsHookInterleaved
(
t
*
testing
.
T
)
{
logger
,
hook
,
wait
,
teardown
:=
setupLogHook
(
t
)
defer
teardown
()
logger
.
WithField
(
"counter"
,
0
)
.
Info
(
"message"
)
logger
.
WithField
(
"counter"
,
1
)
.
Warn
(
"message"
)
logger
.
WithField
(
"counter"
,
2
)
.
Error
(
"message"
)
logger
.
WithField
(
"counter"
,
3
)
.
Warn
(
"message"
)
logger
.
WithField
(
"counter"
,
4
)
.
Info
(
"message"
)
wait
()
file
,
err
:=
os
.
Open
(
hook
.
infoPath
)
if
err
!=
nil
{
t
.
Fatalf
(
"Failed to open file: %v"
,
err
)
}
scanner
:=
bufio
.
NewScanner
(
file
)
count
:=
0
for
scanner
.
Scan
()
{
data
:=
make
(
map
[
string
]
interface
{})
if
err
:=
json
.
Unmarshal
([]
byte
(
scanner
.
Text
()),
&
data
);
err
!=
nil
{
t
.
Fatalf
(
"Failed to parse JSON: %v"
,
err
)
}
dataCounter
:=
int
(
data
[
"counter"
]
.
(
float64
))
if
count
!=
dataCounter
{
t
.
Fatalf
(
"Counter: want %d got %d"
,
count
,
dataCounter
)
}
count
++
}
if
count
!=
5
{
t
.
Fatalf
(
"Lines: want 5 got %d"
,
count
)
}
}
func
TestFSHookMultiple
(
t
*
testing
.
T
)
{
logger
,
hook
,
wait
,
teardown
:=
setupLogHook
(
t
)
defer
teardown
()
for
i
:=
0
;
i
<
100
;
i
++
{
logger
.
WithField
(
"counter"
,
i
)
.
Info
(
"message"
)
}
wait
()
file
,
err
:=
os
.
Open
(
hook
.
infoPath
)
if
err
!=
nil
{
t
.
Fatalf
(
"Failed to open file: %v"
,
err
)
}
scanner
:=
bufio
.
NewScanner
(
file
)
count
:=
0
for
scanner
.
Scan
()
{
data
:=
make
(
map
[
string
]
interface
{})
if
err
:=
json
.
Unmarshal
([]
byte
(
scanner
.
Text
()),
&
data
);
err
!=
nil
{
t
.
Fatalf
(
"Failed to parse JSON: %v"
,
err
)
}
dataCounter
:=
int
(
data
[
"counter"
]
.
(
float64
))
if
count
!=
dataCounter
{
t
.
Fatalf
(
"Counter: want %d got %d"
,
count
,
dataCounter
)
}
count
++
}
if
count
!=
100
{
t
.
Fatalf
(
"Lines: want 100 got %d"
,
count
)
}
}
func
TestFSHookConcurrent
(
t
*
testing
.
T
)
{
logger
,
hook
,
wait
,
teardown
:=
setupLogHook
(
t
)
defer
teardown
()
var
wg
sync
.
WaitGroup
for
i
:=
0
;
i
<
100
;
i
++
{
wg
.
Add
(
1
)
go
func
(
counter
int
)
{
defer
wg
.
Done
()
logger
.
WithField
(
"counter"
,
counter
)
.
Info
(
"message"
)
}(
i
)
}
wg
.
Wait
()
wait
()
file
,
err
:=
os
.
Open
(
hook
.
infoPath
)
if
err
!=
nil
{
t
.
Fatalf
(
"Failed to open file: %v"
,
err
)
}
scanner
:=
bufio
.
NewScanner
(
file
)
count
:=
0
for
scanner
.
Scan
()
{
data
:=
make
(
map
[
string
]
interface
{})
if
err
:=
json
.
Unmarshal
([]
byte
(
scanner
.
Text
()),
&
data
);
err
!=
nil
{
t
.
Fatalf
(
"Failed to parse JSON: %v"
,
err
)
}
count
++
}
if
count
!=
100
{
t
.
Fatalf
(
"Lines: want 100 got %d"
,
count
)
}
}
func
TestDailySchedule
(
t
*
testing
.
T
)
{
loc
,
err
:=
time
.
LoadLocation
(
"UTC"
)
if
err
!=
nil
{
t
.
Fatalf
(
"Failed to load location UTC: %s"
,
err
)
}
logger
,
hook
,
wait
,
teardown
:=
setupLogHook
(
t
)
defer
teardown
()
hook
.
scheduler
=
&
DailyRotationSchedule
{}
// Time ticks from 23:50 to 00:10 in 1 minute increments. Log each tick as 'counter'.
minutesGoneBy
:=
0
currentTime
=
func
()
time
.
Time
{
minutesGoneBy
+=
1
return
time
.
Date
(
2016
,
10
,
26
,
23
,
50
+
minutesGoneBy
,
00
,
0
,
loc
)
}
for
i
:=
0
;
i
<
20
;
i
++
{
t
:=
time
.
Date
(
2016
,
10
,
26
,
23
,
50
+
i
,
00
,
0
,
loc
)
logger
.
WithField
(
"counter"
,
i
)
.
Info
(
"BASE "
+
t
.
Format
(
time
.
ANSIC
))
}
wait
()
// info.log.2016-10-26 should have 0 -> 9
checkFileHasSequentialCounts
(
t
,
hook
.
infoPath
+
".2016-10-26"
,
0
,
9
)
// info.log should have 10 -> 19 inclusive
checkFileHasSequentialCounts
(
t
,
hook
.
infoPath
,
10
,
19
)
}
func
TestDailyScheduleMultipleRotations
(
t
*
testing
.
T
)
{
loc
,
err
:=
time
.
LoadLocation
(
"UTC"
)
if
err
!=
nil
{
t
.
Fatalf
(
"Failed to load location UTC: %s"
,
err
)
}
logger
,
hook
,
wait
,
teardown
:=
setupLogHook
(
t
)
defer
teardown
()
hook
.
scheduler
=
&
DailyRotationSchedule
{}
// Time ticks every 12 hours from 13:37 -> 01:37 -> 13:37 -> ...
hoursGoneBy
:=
0
currentTime
=
func
()
time
.
Time
{
hoursGoneBy
+=
12
// Start from 10/29 01:37
return
time
.
Date
(
2016
,
10
,
28
,
13
+
hoursGoneBy
,
37
,
00
,
0
,
loc
)
}
// log 2 lines per file, to 4 files (so 8 log lines)
for
i
:=
0
;
i
<
8
;
i
++
{
ts
:=
time
.
Date
(
2016
,
10
,
28
,
13
+
((
i
+
1
)
*
12
),
37
,
00
,
0
,
loc
)
logger
.
WithField
(
"counter"
,
i
)
.
Infof
(
"The time is now %s"
,
ts
)
}
wait
()
// info.log.2016-10-29 should have 0-1
checkFileHasSequentialCounts
(
t
,
hook
.
infoPath
+
".2016-10-29"
,
0
,
1
)
// info.log.2016-10-30 should have 2-3
checkFileHasSequentialCounts
(
t
,
hook
.
infoPath
+
".2016-10-30"
,
2
,
3
)
// info.log.2016-10-31 should have 4-5
checkFileHasSequentialCounts
(
t
,
hook
.
infoPath
+
".2016-10-31"
,
4
,
5
)
// info.log should have 6-7 (current day is 11/01)
checkFileHasSequentialCounts
(
t
,
hook
.
infoPath
,
6
,
7
)
}
// checkFileHasSequentialCounts based on a JSON "counter" key being a monotonically
// incrementing integer. from and to are both inclusive.
func
checkFileHasSequentialCounts
(
t
*
testing
.
T
,
filepath
string
,
from
,
to
int
)
{
t
.
Logf
(
"checkFileHasSequentialCounts(%s,%d,%d)"
,
filepath
,
from
,
to
)
file
,
err
:=
os
.
Open
(
filepath
)
if
err
!=
nil
{
t
.
Fatalf
(
"Failed to open file: %v"
,
err
)
return
}
defer
file
.
Close
()
scanner
:=
bufio
.
NewScanner
(
file
)
count
:=
from
for
scanner
.
Scan
()
{
data
:=
make
(
map
[
string
]
interface
{})
if
err
:=
json
.
Unmarshal
([]
byte
(
scanner
.
Text
()),
&
data
);
err
!=
nil
{
t
.
Fatalf
(
"%s : Failed to parse JSON: %v"
,
file
.
Name
(),
err
)
}
dataCounter
:=
int
(
data
[
"counter"
]
.
(
float64
))
t
.
Logf
(
"%s want %d got %d"
,
file
.
Name
(),
count
,
dataCounter
)
if
count
!=
dataCounter
{
t
.
Fatalf
(
"%s : Counter: want %d got %d"
,
file
.
Name
(),
count
,
dataCounter
)
}
count
++
}
count
--
// never hit the next value
if
count
!=
to
{
t
.
Fatalf
(
"%s EOF: Want count %d got %d"
,
file
.
Name
(),
to
,
count
)
}
}
func
setupLogHook
(
t
*
testing
.
T
)
(
logger
*
log
.
Logger
,
hook
*
fsHook
,
wait
func
(),
teardown
func
())
{
dir
,
err
:=
ioutil
.
TempDir
(
""
,
"TestFSHook"
)
if
err
!=
nil
{
t
.
Fatalf
(
"Failed to make temporary directory: %v"
,
err
)
}
infoPath
:=
filepath
.
Join
(
dir
,
"info.log"
)
warnPath
:=
filepath
.
Join
(
dir
,
"warn.log"
)
errorPath
:=
filepath
.
Join
(
dir
,
"error.log"
)
hook
=
NewFSHook
(
infoPath
,
warnPath
,
errorPath
,
nil
,
nil
)
.
(
*
fsHook
)
logger
=
log
.
New
()
logger
.
Hooks
.
Add
(
hook
)
wait
=
func
()
{
for
atomic
.
LoadInt32
(
&
hook
.
queueSize
)
!=
0
{
runtime
.
Gosched
()
}
}
teardown
=
func
()
{
os
.
RemoveAll
(
dir
)
}
return
}
func
checkLogFile
(
t
*
testing
.
T
,
path
,
expectedLevel
string
)
{
contents
,
err
:=
ioutil
.
ReadFile
(
path
)
if
err
!=
nil
{
t
.
Fatalf
(
"Failed to read file: %v"
,
err
)
}
data
:=
make
(
map
[
string
]
interface
{})
if
err
:=
json
.
Unmarshal
(
contents
,
&
data
);
err
!=
nil
{
t
.
Fatalf
(
"Failed to parse JSON: %v"
,
err
)
}
if
data
[
"level"
]
!=
expectedLevel
{
t
.
Fatalf
(
"level: want %q got %q"
,
expectedLevel
,
data
[
"level"
])
}
if
data
[
fieldName
]
!=
fieldValue
{
t
.
Fatalf
(
"%s: want %q got %q"
,
fieldName
,
fieldValue
,
data
[
fieldName
])
}
}
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