Commit Graph

414 Commits

Author SHA1 Message Date
beorn7 226b83ac2e Provide lock-free implementation for Summary without objectives
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-12-24 11:23:13 +01:00
beorn7 a006a7550a Remove unused constants and fields
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-12-24 11:22:57 +01:00
gkze 67bb2a7be3 Fix typo
Signed-off-by: gkze <george.kontridze@gmail.com>
2018-12-21 15:40:57 -08:00
beorn7 2c9811f88e Fix tests to adhere to the recent change in prometheus/common
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-12-18 17:20:25 +01:00
beorn7 000ceb266b Fix doc comment typo
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-12-18 16:30:34 +01:00
beorn7 619eb595ba Simplify an `append` to `copy`
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-12-06 11:37:34 +01:00
beorn7 fae889635c Fix #512
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-12-06 11:35:30 +01:00
beorn7 9542e4005c Expose #512
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-12-06 11:22:30 +01:00
beorn7 48d3ae798b Return observed duration from Timer.ObserveDuration
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-12-03 21:10:34 +01:00
beorn7 8d9c21f0cf Nitpicking a doc comment
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-11-20 13:41:38 +01:00
Björn Rabenstein f6443e74d4
Merge pull request #495 from SvenDowideit/add-extra-hints-to-clustermanager-example
Add the last few lines needed to show a new user how the Collector/Gatherer fits together
2018-11-20 13:35:42 +01:00
Dowideit, Sven (O&A, St. Lucia) 8324e65597 Add the last few lines needed to show a new user how the Collector/Gatherer fits together
Signed-off-by: Dowideit, Sven (O&A, St. Lucia) <Sven.Dowideit@csiro.au>
2018-11-20 15:46:27 +10:00
Peter Jausovec a199184c14 Update the label is not valid error message to include the fqName
Fixes #504.

Signed-off-by: Peter Jausovec <peter.jausovec@oracle.com>
2018-11-19 16:51:57 -08:00
beorn7 8c67c139e2 Remove accidental gogo/protobuf import
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-11-16 13:23:08 +01:00
beorn7 c4c1f3461e Fix tiny punctuation issue in doc comment
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-11-15 18:40:33 +01:00
PhilipGough f9739b3d97
Compare text strings directly in testutil
Signed-off-by: PhilipGough <philip.p.gough@gmail.com>
2018-11-15 16:03:57 +00:00
PhilipGough 30503fe98e
Exposes bug #498 - unexpected results for Histograms in testutil
Signed-off-by: PhilipGough <philip.p.gough@gmail.com>
2018-11-14 11:58:43 +00:00
beorn7 86702ea6b4 Fix metric comparison for empty labels
reflect.DeepEqual is not suitable for zero occurrences of repeated
proto messages. This changes the comparison to act on the string
representation of proto messages.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-11-13 16:25:02 +01:00
beorn7 1db43792db Expose bug #494
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-11-13 15:48:48 +01:00
Björn Rabenstein da11cf2c83
Merge pull request #488 from peterj/master
Add more info to the inconsistent cardinality errors
2018-11-02 19:52:54 +01:00
Sevag Hanssian 88f4223778
Fix permissions of tempfile
Signed-off-by: Sevag Hanssian <sevag.hanssian@gmail.com>
2018-11-02 09:59:03 -07:00
Peter Jausovec f1bec54758 Update the ExampleRegister test
Signed-off-by: Peter Jausovec <peter.jausovec@oracle.com>
2018-11-02 09:46:03 -07:00
Sevag Hanssian 924d5919f3
Improve WriteToTextfile doc
Signed-off-by: Sevag Hanssian <sevag.hanssian@gmail.com>
2018-11-02 09:31:41 -07:00
Peter Jausovec b686a9e02e Remove fmt from import
Signed-off-by: Peter Jausovec <peter.jausovec@oracle.com>
2018-11-02 09:21:12 -07:00
Peter Jausovec ea348d7c20 Update code based on the PR feedback
Signed-off-by: Peter Jausovec <peter.jausovec@oracle.com>
2018-11-02 09:01:14 -07:00
Sevag Hanssian 42e6616334
Use code that already existed
Signed-off-by: Sevag Hanssian <sevag.hanssian@gmail.com>
2018-11-02 08:37:26 -07:00
Sevag Hanssian 1d54dabd43
Add WriteToTextfile test
Signed-off-by: Sevag Hanssian <sevag.hanssian@gmail.com>
2018-10-31 23:34:50 -07:00
Sevag Hanssian c5bdd15ac3
Remove typo
Signed-off-by: Sevag Hanssian <sevag.hanssian@gmail.com>
2018-10-31 15:31:42 -07:00
Sevag Hanssian e6fe89ce22
Add support for histograms and summaries
Signed-off-by: Sevag Hanssian <sevag.hanssian@gmail.com>
2018-10-31 15:27:11 -07:00
Sevag Hanssian 9416ff209b
First commit - WriteToTextfile
Signed-off-by: Sevag Hanssian <sevag.hanssian@gmail.com>
2018-10-31 14:22:11 -07:00
Peter Jausovec ceb819208d copy/pasta error
Signed-off-by: Peter Jausovec <peter.jausovec@oracle.com>
2018-10-31 11:16:16 -07:00
Peter Jausovec 4fe949f2fd Add missing fmt import
Signed-off-by: Peter Jausovec <peter.jausovec@oracle.com>
2018-10-31 11:09:12 -07:00
Peter Jausovec 902733d080 Add more info to the inconsistent cardinality errors
Signed-off-by: Peter Jausovec <peter.jausovec@oracle.com>
2018-10-31 11:01:42 -07:00
beorn7 fb0f7fe8c2 Pull up HTTP changes into deprecated functions
So that also users of those can benefit. Obviously, we will end
updating deprecated functions one day (at latest once v0.10 is out).

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-10-22 12:36:33 +02:00
beorn7 62361fc0fb Use streaming encoding of metrics
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-10-22 01:04:52 +02:00
beorn7 752f50d366 Merge branch 'use-gzip-pool' of github.com:glefloch/client_golang into beorn7/http 2018-10-20 00:51:31 +02:00
glefloch c2c6fd2ab4 Fix PR comments
Signed-off-by: glefloch <glfloch@gmail.com>
2018-10-19 13:51:45 +02:00
glefloch fdf4cbc87b Use sync.Pool for gzipWriter
Signed-off-by: glefloch <glfloch@gmail.com>
2018-10-17 13:17:33 +02:00
beorn7 5e8ac3cd58 Add a concurrent end-to-end test for observe-register-gather
This is an attempt to expose
https://github.com/istio/istio/issues/8906 .  The failure to do so
makes me believe the error is either already fixed in current
client_golang, or something weird I haven't spotted yet is happening
in the istio code.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-10-10 16:59:24 +02:00
beorn7 e1fb14a776 Adjust TestRegisterWithOrGet to the present
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-10-10 15:41:21 +02:00
beorn7 edb489a1ef Add check for duplicated label names
Fixes #471

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-30 16:25:48 +02:00
beorn7 dd9e125455 Expose failure to detect duplicate label names
This is #471.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-30 16:25:48 +02:00
beorn7 ff0177896a Be more precise about concurrency requirements
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-29 10:47:28 +02:00
beorn7 7eb5e8a08a Drain the desc channel after registering
This avoids leaking goroutines.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-29 10:44:19 +02:00
David E Worth c2c648fdcb
fix exponential buckets failure message
it appears there is a copy/paste error in the exponential buckets test failure message which is fixed here.

Signed-off-by: David Worth <dworth@strava.com>
2018-09-25 17:42:06 -06:00
beorn7 7973e4709d Ensure 64bit alignment on 32bit platforms for histograms
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-24 13:28:13 +02:00
beorn7 3a6edf5ff8 Handle items newly deprecated in Go 1.11
Remove where possible and ignore staticcheck warnings where we have
to.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-19 13:30:14 +02:00
beorn7 663a9ad019 Make Help strings optional
This is in line with
https://prometheus.io/docs/instrumenting/writing_clientlibs/#metric-description-and-help

Since the zero value of a string in Go is `""`, we cannot distinguish
between a Help string not set and an empty Help string. Thus, we just
make it formally optional here with an encouragement to set it in the
doc comment.

In v0.10, the Help string will probably become a "normal" argument of
the constructor rather than a field in an Opts struct.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-17 12:07:31 +02:00
beorn7 713e6eb604 Let NewConst... functions detect invalid Desc
The error of the invalid Desc is returned in that case.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-17 11:50:42 +02:00
beorn7 b7b390014b Reformat doc comment of InstrumentHandler
To help linters detect the Deprecated message.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-14 13:24:05 +02:00
beorn7 cec67c9ec8 Improve deprecated doc comment
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-14 12:48:16 +02:00
Björn Rabenstein 1362cad3aa
Merge pull request #458 from prometheus/beorn7/registry
Wrappable registerers
2018-09-14 12:15:22 +02:00
beorn7 fe28f32433 Discourage prefixing every metris with WrapRegistererWithPrefix
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-14 11:59:13 +02:00
beorn7 cf9b2a8c78 Rename WrapWith... to WrapRegistererWith...
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-13 17:43:05 +02:00
beorn7 837c7cb1f4 Update Collector example
It now uses the new WrapWith function instead of ConstLabels. Describe
is now implemented via DescribeByCollect.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-12 15:34:13 +02:00
beorn7 84d7aa0cd9 Add wrapping of Registerers with labels and prefix
Essentially middleware for Registerers!

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-12 15:34:07 +02:00
beorn7 1b2bd1d665 Make Histogram observations atomic while keeping them lock-free
Fixes #275

This is rather tricky and required some studying of the Go memory
model. I have added copious code comments to explain what's going on.

Benchmarks haven't changed significantly, despite the additional
atomic operations now required during Observe. Write performance is
noticable, but it is also much more involved now and has a mutex. (But
note that Write is supposed to be a relatively rare operation and thus
not in the hot path compared to Observe.) Allocs haven't changed at
all.

OLD:

BenchmarkHistogramWithLabelValues-4     10000000               151 ns/op               0 B/op          0 allocs/op
BenchmarkHistogramNoLabels-4            50000000                36.0 ns/op             0 B/op          0 allocs/op
BenchmarkHistogramObserve1-4            50000000                28.1 ns/op             0 B/op          0 allocs/op
BenchmarkHistogramObserve2-4            10000000               160 ns/op               0 B/op          0 allocs/op
BenchmarkHistogramObserve4-4             5000000               378 ns/op               0 B/op          0 allocs/op
BenchmarkHistogramObserve8-4             2000000               768 ns/op               0 B/op          0 allocs/op
BenchmarkHistogramWrite1-4               1000000              1589 ns/op             896 B/op         37 allocs/op
BenchmarkHistogramWrite2-4                500000              2973 ns/op            1792 B/op         74 allocs/op
BenchmarkHistogramWrite4-4                300000              6979 ns/op            3584 B/op        148 allocs/op
BenchmarkHistogramWrite8-4                100000             10701 ns/op            7168 B/op        296 allocs/op

NEW:

BenchmarkHistogramWithLabelValues-4     10000000               191 ns/op               0 B/op          0 allocs/op
BenchmarkHistogramNoLabels-4            30000000                50.1 ns/op             0 B/op          0 allocs/op
BenchmarkHistogramObserve1-4            30000000                40.0 ns/op             0 B/op          0 allocs/op
BenchmarkHistogramObserve2-4            20000000                91.5 ns/op             0 B/op          0 allocs/op
BenchmarkHistogramObserve4-4             5000000               317 ns/op               0 B/op          0 allocs/op
BenchmarkHistogramObserve8-4             2000000               636 ns/op               0 B/op          0 allocs/op
BenchmarkHistogramWrite1-4               1000000              2072 ns/op             896 B/op         37 allocs/op
BenchmarkHistogramWrite2-4                300000              3729 ns/op            1792 B/op         74 allocs/op
BenchmarkHistogramWrite4-4                200000              7847 ns/op            3584 B/op        148 allocs/op
BenchmarkHistogramWrite8-4                100000             16975 ns/op            7168 B/op        296 allocs/op

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-12 15:03:44 +02:00
beorn7 1e08f788cf Add test to expose #275
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-07 19:04:00 +02:00
beorn7 773f502723 Rework process collector
This unifies both constructors in one with an options argument.

The options argument allows to switch on error reporting, as discussed
in #219.

The change of the contructor signature is breaking, but only mildly
so. Plus, the process collector is rarely used explicitly. I used
Sourcegraph to search for public usages, with the following results:

- 2 occurrences of NewProcessCollectorPIDFn, once in @discordianfish's
  glimpse, once in @fabxc's etcd_exporter (deprecated anyway). Both
  are Prom veterans and will simply do the one line change if needed.
- 8 occurrences of NewProcessCollector, of which 7 are of the form
    NewProcessCollector(os.Getpid(), "")
  Thus, it's a very easy change, which I even hinted at in the doc
  comment.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-07 12:09:26 +02:00
beorn7 6803bb4021 Add a DescribeByCollect helper
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-05 14:10:51 +02:00
beorn7 74a2f46d2c Add package documentation
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-04 14:02:20 +02:00
beorn7 1301cf8fcd Add helper function to extract a simple float value from a metric
Signed-off-by: beorn7 <beorn@soundcloud.com>

foo
2018-09-04 14:02:19 +02:00
beorn7 da330f4281 Un-export prometheus.LabelPairSorter
The only known external usage of it was in prometheus/pushgateway,
where it was removed by
https://github.com/prometheus/pushgateway/pull/200 .

Originally, the expectation was that users would implement the Metric
interface now and then. As we know now, neither it is happening, nor
would it make a lot of sense. (Users implement the Collector interface
instead.) By now, LabelPairSorter is essentially noise in the already
quite cluttered namespace in the prometheus package.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-03 16:20:55 +02:00
Björn Rabenstein a10423e9da
Merge pull request #445 from prometheus/beorn7/testing
Add testutil package
2018-09-03 00:31:34 +02:00
beorn7 7be86f93c1 Create an internal package
This is for types we don't want to export but which are used in
different packages within client_golang.

Currently, that's only NormalizeMetricFamilies (used in the prometheus
package and in the testutil package). More to be added as needed.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-03 00:18:11 +02:00
beorn7 5ba0993f6f Improved interface
- Expected text format is now read from an io.Reader.
- Metrics are gathered from a Gatherer.
- Added a convenience wrapper to collect from a Collector.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-09-02 21:07:38 +02:00
Yutian Li 94f32c433e typo
Signed-off-by: Yutian Li <hotpxless@gmail.com>
2018-08-27 12:01:30 -04:00
beorn7 154f28a316 Fix import grouping
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-08-23 00:05:02 +02:00
beorn7 e60f998e9b Make license headers consistent
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-08-22 23:59:40 +02:00
beorn7 df0210c26c Rename testutils to testutil and move below prometheus dir
`testutil` is more in line with stdlib naming conventions.

The package should be below `prometheus` as it only provides utils to
test exposition code, not to test HTTP client code.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-08-22 23:57:08 +02:00
glefloch 949c45bad2 Add missing header and fix review comments
Signed-off-by: glefloch <glfloch@gmail.com>
2018-08-22 15:32:42 +02:00
glefloch cb71127117 Add missing license headers
Signed-off-by: glefloch <glfloch@gmail.com>
2018-08-22 13:53:56 +02:00
beorn7 abaece07d1 Fix import grouping
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-08-18 16:02:33 +02:00
beorn7 5240f7e8f5 Add a wrapper to add a timestamp to a metric
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-08-18 15:56:08 +02:00
Simon Pasquier d6dbfbfc28 Update the name of the maximum VM metric
Signed-off-by: Simon Pasquier <spasquie@redhat.com>
2018-08-08 08:09:48 +02:00
Björn Rabenstein 420e2efa8f
Merge pull request #438 from simonpasquier/add-max-vsize-process-metric
Add process_maximum_virtual_memory_bytes metric
2018-08-07 21:38:51 +02:00
Dalei Li 927ca8e4f4 go routine to goroutine
Signed-off-by: Dalei Li <dalei.li@icloud.com>
2018-08-07 21:23:58 +02:00
Simon Pasquier 4ab15af0dc Add process_maximum_virtual_memory_bytes metric
Signed-off-by: Simon Pasquier <spasquie@redhat.com>
2018-08-07 17:10:30 +02:00
Björn Rabenstein bcbbc08eb2
Merge pull request #429 from prometheus/beorn7/summary
Add more checks around summaries and histograms
2018-07-13 22:10:52 +02:00
beorn7 4572e24546 Add suffix collision checks during gathering
So far, if a gauge was named `xxx_count`, and a summary or histogram
`xxx`, this would have led to a legal protobuf exposition but would
have created a name collision on `xxx_count` in the text format and
within the Prometheus server.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-07-13 16:29:17 +02:00
Eric Daniels 2d0312e3dd
forgot some &s
Signed-off-by: Eric Daniels <eric@erdaniels.com>
2018-07-13 09:28:19 -04:00
beorn7 767a0218df Add more label checksn during gathering
Including check for an invalid "quantile" label in summaries.

Also, improve error messages.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-07-13 14:14:39 +02:00
beorn7 e064aa97f1 Check quantile label during SummaryVec construction
Also, document the existing behavior more clearly.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-07-13 13:43:21 +02:00
Eric Daniels c02aadb406
remove references to delegators
Signed-off-by: Eric Daniels <eric@erdaniels.com>
2018-07-12 17:56:44 -04:00
Eric Daniels b3076e068e
Make delegators wrapping responseWriterDelegator have value receivers
Signed-off-by: Eric Daniels <eric@erdaniels.com>
2018-07-12 11:37:51 -04:00
beorn7 ad1b9f7754 Introduce unchecked Collectors
Fixes #47 . See there for more detailed discussion.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-07-09 14:33:18 +02:00
neeral fe6c0fa342 Do not sanitize prefix in Graphite bridge
Refer to #418.

Signed-off-by: neeral <neeral@users.noreply.github.com>
2018-06-22 13:00:54 -07:00
beorn7 f6b1978ed4 Use stricter wording for Gather returning a non-nil error
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-06-07 14:35:06 +02:00
beorn7 c06fb788be Relax consistency checks during gathering
Also, clarify in the doc comment.

Previously, the assumption was that inconsistent label dimensions are
violating the exposition format spec. However, especially with the
knowledge that OpenMetrics will explicitly allow inconsistent label
dimensions in expositions, we should allow it in client_golang, too.

Note that registration with proper Descs provided will still check for
consistont label dimensions. However, you can "cheat" with custom
Collectors as you can collect metrics that don't follew the provided
Desc (this will be made more explicit and less cheaty once #47 is
fixed). You can also create expositions with inconsistent label
dimensions by merging Gatherers with the Gatherers slice type. (The
latter is used in the Pushgateway.)

Effectively, normal direct instrumentation will always have consistent
label dimensions in this way, but you can cover special use cases with
custom collectors or merging of different Gatherers.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-06-06 19:30:53 +02:00
beorn7 1b56b5c497 Be more robust about nil pointers in protobuf
While not strictly correct, it can easily happen that proto messages
are created that use nil pointers instead of pointers in empty strings
to denote an empty string.

Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-05-29 17:57:33 +02:00
beorn7 d66ac8f863 Document the stop-the-world implications of the Go collector
Signed-off-by: beorn7 <beorn@soundcloud.com>
2018-05-19 21:14:04 +02:00
Karsten Weiss d7590aab3c Fix three shadow variable warnings (govet -shadow)
Fixes:
http.go:118: declaration of "part" shadows declaration at http.go:117
http_test.go:50: declaration of "respBody" shadows declaration at http_test.go:25
promhttp/http.go:305: declaration of "part" shadows declaration at promhttp/http.go:304

Signed-off-by: Karsten Weiss <knweiss@gmail.com>
2018-04-13 23:25:14 +02:00
Karsten Weiss f3a13af35c http.go: Move helper function nowSeries() to test case
Fixes:
http.go:142:1⚠️ nowSeries is unused (deadcode)

Signed-off-by: Karsten Weiss <knweiss@gmail.com>
2018-04-13 23:25:14 +02:00
Karsten Weiss 0a453dce84 Build process_collector_test.go only on Linux
The test case requires the /proc filesystem. The change prevents this skip
message during "go test -v" on platforms other than Linux:

=== RUN   TestProcessCollector
--- SKIP: TestProcessCollector (0.00s)
	process_collector_test.go:15: skipping TestProcessCollector, procfs not available: could not read /proc: stat /proc: no such file or directory

Signed-off-by: Karsten Weiss <knweiss@gmail.com>
2018-04-13 23:25:14 +02:00
Karsten Weiss 7a495a15b3 Type processCollector: Remove unused field 'pid'
Fixes:
process_collector.go:19:2: field pid is unused (U1000)

Signed-off-by: Karsten Weiss <knweiss@gmail.com>
2018-04-13 23:25:14 +02:00
Karsten Weiss ea0d27e8cf Type responseWriterDelegator: Remove unused fields
Fixes:
http.go:355:2: field handler is unused (U1000)
http.go:355:11: field method is unused (U1000)

Signed-off-by: Karsten Weiss <knweiss@gmail.com>
2018-04-13 23:25:14 +02:00
Karsten Weiss 958ea82988 Fix typos
Signed-off-by: Karsten Weiss <knweiss@gmail.com>
2018-04-13 23:23:52 +02:00
Karsten Weiss 245fde70cb Simplify if expr in ExampleNewExpvarCollector()
Signed-off-by: Karsten Weiss <knweiss@gmail.com>
2018-04-13 23:23:52 +02:00
Karsten Weiss 587d5265f8 metric.go: Remove unused type hashSorter
Fixes:
metric.go:130:6: type hashSorter is unused (U1000)

Signed-off-by: Karsten Weiss <knweiss@gmail.com>
2018-04-13 23:23:52 +02:00
Karsten Weiss e01f7ec4fb Remove unnecessary conversion
Fixes:
go_collector.go:268:66⚠️ unnecessary conversion (unconvert)

Signed-off-by: Karsten Weiss <knweiss@gmail.com>
2018-04-13 23:18:25 +02:00