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359 commits

Author SHA1 Message Date
Tobias Schmidt 922e74d58f Remove unnecessarily named return variables 
Named return variables should only be used to describe the returned type
further, e.g. `err error` doesn't add any new information and is just
stutter.
 2017-02-28 16:04:25 -04:00
Tobias Schmidt 084e585c2a Fix scanner usage without error handling 2017-02-28 16:04:25 -04:00
Tobias Schmidt d1dfda86ee Fix wrong end-to-end expectation 2017-02-28 16:02:43 -04:00
Tobias Schmidt abdebef47c Fix gofmt -s and spelling issues 2017-02-28 14:01:28 -04:00
Tobias Schmidt 195b4d596c Merge pull request #480 from prometheus/grobie/gosimple 
Simplify go code
 2017-02-28 13:59:01 -04:00
Tobias Schmidt 694294baf5 Remove unnecessary conversions 2017-02-28 13:57:49 -04:00
Tobias Schmidt 21e13c7f52 Simplify code 2017-02-28 13:54:27 -04:00
Tobias Schmidt c703435790 Fix all open go lint and vet issues 2017-02-28 13:05:38 -04:00
Ben Kochie 38cd07ebb9 Merge pull request #450 from roclark/add-infiniband 
infiniband: Add new collector for InfiniBand statistics
 2017-02-16 14:33:19 +01:00
Ben Kochie a097dd36b3 Merge pull request #459 from joehandzik/wip-zpool-io-cherrypick 
ZFS Collector: Add zpool IO statistics
 2017-02-16 08:16:55 +01:00
Thorhallur Sverrisson 19813d3e02 Changing datastructure for BuddyInfo 2017-02-15 10:15:44 -06:00
Thorhallur Sverrisson 5ab285e098 Adding buddyinfo to end to end test. 2017-02-15 10:15:44 -06:00
Thorhallur Sverrisson 55417d7688 Moving buddyinfo logic to procfs 2017-02-15 10:15:44 -06:00
Thorhallur Sverrisson 492c96f6b6 Moving buddyinfo_test.go to procfs library 2017-02-15 10:15:43 -06:00
Thorhallur Sverrisson 3ba15c1ddb Adding support for /proc/buddyinfo for linux free memory fragmentation. 
/prod/buddyinfo returns data on the free blocks fragments available
for use from the kernel.  This data is useful when diagnosing
possible memory fragmentation.

More info can be found in:
* https://lwn.net/Articles/7868/
* https://andorian.blogspot.com/2014/03/making-sense-of-procbuddyinfo.html
 2017-02-15 10:15:43 -06:00
Joe Handzik bb8b3fca88 ZFS Collector: Add zpool IO statistics 
Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-02-10 13:31:25 -06:00
Robert Clark 36f81282b7 Add unit tests for InfiniBand collector 
Signed-Off-By: Robert Clark <robert.d.clark@hpe.com>
 2017-02-07 11:09:08 -06:00
Robert Clark 4866adcb71 Add new collector for InfiniBand statistics 
Add new metrics for the InfiniBand network protocol including the amount of packets sent and received, the number of times the link has been downed and how many times the link has recovered from an error state.

Signed-Off-By: Robert Clark <robert.d.clark@hpe.com>
 2017-02-07 11:09:08 -06:00
Joe Handzik 8c23f5ff54 ZFS Collector: Convert dashes to underscores for metrics 
This fixes #442, and prevents other ZFS metrics from slipping through in the future.

Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-01-31 14:11:56 -06:00
Ben Kochie 7cfa5e75b8 Merge pull request #439 from mdlayher/collector-staticcheck 
Fix two staticcheck issues in IPVS collector tests
 2017-01-31 08:53:10 -05:00
Ben Kochie 71362d45eb Merge pull request #432 from joehandzik/wip-zfs-zfetchstats 
Update ZFS Collector with most non-zpool metrics
 2017-01-31 08:52:41 -05:00
Joe Handzik e5ee274a32 ZFS Collector: Move from camelcase to underscores for metric prefixes 
Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-01-29 15:59:01 -06:00
Matt Layher c8e546926a
Fix two staticcheck issues in IPVS collector tests 2017-01-27 15:20:36 -05:00
Joe Handzik e213ccbc57 ZFS Collector: Refactor to use maps/slices and fewer globals 
Removed all global types that were unnecessary, and refactored to use constructor-created values and inline values instead of globals.

Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-01-27 14:02:28 -06:00
Ben Kochie 5a6db5c8d2 Handle multiple NFS device mounts 
It's possible to mount an NFS share in multiple locations.
* Duplicates contain the same metric values, so they can be ignored.
* Update fixture.
 2017-01-24 13:44:08 +01:00
Joe Handzik 94fb93a9f3 ZFS Collector: Add dmu_tx functionality 
Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-01-23 16:41:15 -06:00
Joe Handzik 07c7ae733a ZFS Collector: Add fm functionality 
Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-01-23 16:31:22 -06:00
Joe Handzik 05048c067d ZFS Collector: Add xuio_stats functionality 
Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-01-23 16:30:37 -06:00
Joe Handzik 3c9e779989 ZFS Collector: Add vdev_cache_stats functionality 
Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-01-23 16:29:50 -06:00
Joe Handzik a02ca9502c ZFS Collector: Add zil functionality 
Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-01-23 16:29:00 -06:00
Joe Handzik a3125ab4d9 ZFS Collector: Add zfetchstats functionality 
Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-01-23 16:28:11 -06:00
Ben Kochie acb495ccab Merge pull request #425 from mdlayher/wifi-update 
Update vendored wifi, handle stations with missing info
 2017-01-20 08:43:44 -05:00
Matt Layher dfd661a633
Allow graceful failure in hwmon collector 2017-01-17 11:24:28 -05:00
Matt Layher ca3f07feef
Update vendored wifi, handle stations with missing info 2017-01-17 00:54:18 -05:00
Ben Kochie 92537020a3 Fix runit collector flag typo. 2017-01-16 23:41:33 +01:00
Julius Volz 276112c7ef Merge pull request #418 from mdlayher/wifi-graceful-fail 
Make wifi collector fail gracefully if metrics not available
 2017-01-13 20:31:21 -05:00
Matt Layher d3089f2ce8
Make wifi collector fail gracefully if metrics not available 2017-01-13 13:35:20 -05:00
Matt Layher 1e1775e761
Make ZFS collector fail gracefully when not available 2017-01-12 12:54:16 -05:00
Johannes 'fish' Ziemke 2884181cce Merge pull request #415 from mdlayher/mountstats-nfs-additional 
Add NFS event metrics to mountstats collector
 2017-01-12 14:08:21 +01:00
Matt Layher e3f99e13b9
Add NFS event metrics to mountstats collector 2017-01-11 11:41:13 -05:00
Matt Layher efa25665ec
Add initial wifi collector, bump netlink to fix 32-bit builds 2017-01-11 10:08:44 -05:00
Johannes 'fish' Ziemke 55170e8feb Merge pull request #411 from discordianfish/hwmon-move-label-metrics 
Use filename as label, move 'label' to own metric
 2017-01-10 12:21:18 +01:00
Ben Kochie 38a4a36061 Update end-to-end test. 2017-01-10 10:23:16 +01:00
Ben Kochie b4fa10ca9d Add collector for Linux EDAC 
Collect "Error detection and correction" metrics from memory
controllers.
* Supported on Linux only.
* Add basic fixtures.
* Enabled by default.
 2017-01-10 10:14:19 +01:00
Johannes 'fish' Ziemke 6aef20f8d8 Use filename as label, move 'label' to own metric 
This closes #406
 2017-01-09 18:33:31 +01:00
Joe Handzik e7442d6517 end-to-end-test.sh: Add zfs plugin 
Enables fixture test and updates e2e-output.txt.

Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-01-08 11:13:35 -06:00
Corey Stewart 10ba27bf2c Remove FreeBSD support for zfs plugin. 
This also involves removing zfs_zpool code for now.

Signed-Off-By: Corey Stewart <stewa169@purdue.edu>
Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-01-08 11:13:35 -06:00
Corey Stewart a8c94d48e6 Style changes and cleanup 
This patch makes stylistic changes to error strings, unexports method names by lower casing them, removes unused dataSetMetric, and adds copyright/licence information.

Signed-Off-By: Corey Stewart <stewa169@purdue.edu>
 2017-01-08 10:23:58 -06:00
Christian Schwarz f29f3873ea Add a collector for ZFS, currently focussed on ARC stats. 
It is tested on FreeBSD 10.2-RELEASE and Linux (ZFS on Linux 0.6.5.4).

On FreeBSD, Solaris, etc. ZFS metrics are exposed through sysctls.
ZFS on Linux exposes the same metrics through procfs `/proc/spl/...`.

In addition to sysctl metrics, 'computed metrics' are exposed by
the collector, which are based on several sysctl values.
There is some conditional logic involved in computing these metrics
which cannot be easily mapped to PromQL.

Not all 92 ARC sysctls are exposed right now but this can be changed
with one additional LOC each.
 2017-01-08 10:23:58 -06:00
Johannes 'fish' Ziemke 2e47fcb8c5 Only store relevant e2e output 
This makes commits ligher/more readable when updating the output.
 2017-01-06 12:36:26 +01:00