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updates for zfsonlinux 0.7.5 (#779)

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* updates for zfsonlinux 0.7.5

* add constants for KSTAT_DATA_* types

* added e2e test for negative values represented by uint64 that can result from ZFS bugs
This commit is contained in:
Richard Elling 2018-02-16 06:46:31 -08:00 • committed by Ben Kochie
commit d7348a5c78
9 changed files with 671 additions and 19 deletions
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21
collector/zfs.go
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@ -44,13 +44,17 @@ func NewZFSCollector() (Collector, error) {
linuxProcpathBase: "spl/kstat/zfs",
linuxZpoolIoPath: "/*/io",
linuxPathMap: map[string]string{
"zfs_arc": "arcstats",
"zfs_dmu_tx": "dmu_tx",
"zfs_fm": "fm",
"zfs_zfetch": "zfetchstats",
"zfs_vdev_cache": "vdev_cache_stats",
"zfs_xuio": "xuio_stats",
"zfs_zil": "zil",
"zfs_abd": "abdstats",
"zfs_arc": "arcstats",
"zfs_dbuf": "dbuf_stats",
"zfs_dmu_tx": "dmu_tx",
"zfs_dnode": "dnodestats",
"zfs_fm": "fm",
"zfs_vdev_cache": "vdev_cache_stats", // vdev_cache is deprecated
"zfs_vdev_mirror": "vdev_mirror_stats",
"zfs_xuio": "xuio_stats", // no known consumers of the XUIO interface on Linux exist
"zfs_zfetch": "zfetchstats",
"zfs_zil": "zil",
},
}, nil
}
@ -60,7 +64,8 @@ func (c *zfsCollector) Update(ch chan<- prometheus.Metric) error {
if err := c.updateZfsStats(subsystem, ch); err != nil {
if err == errZFSNotAvailable {
log.Debug(err)
return nil
// ZFS /proc files are added as new features to ZFS arrive, it is ok to continue
continue
}
return err
}