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Added mountinfo changes to node_exporter (#1417)

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Use the extra information gleaned from the mountinfo file to add
a 'mountaddr' field for NFS metrics. This helps prevent prometheus from
ignoring mounts that come from the same URL, but are actually from
different IP addresses.

This commit also rebases to current master

Signed-off-by: Dipack P Panjabi <dpanjabi@hudson-trading.com>
This commit is contained in:
Dipack P Panjabi 2019-07-28 05:32:40 -04:00 • committed by Ben Kochie
commit a7452023db
6 changed files with 381 additions and 416 deletions
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4
collector/fixtures/proc/10/mountstats
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@ -33,8 +33,8 @@ device 192.168.1.1:/srv/test mounted on /mnt/nfs/test-dupe with fstype nfs4 stat
WRITE: 0 0 0 0 0 0 0 0
ACCESS: 2927395007 2927394995 0 526931094212 362996810236 18446743919241604546 1667369447 1953587717
device 192.168.1.1:/srv/test mounted on /mnt/nfs/test-dupe with fstype nfs4 statvers=1.1
opts: rw,vers=4.0,rsize=1048576,wsize=1048576,namlen=255,acregmin=3,acregmax=60,acdirmin=30,acdirmax=60,hard,proto=udp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=192.168.1.5,local_lock=none
device 192.168.1.1:/srv/test mounted on /mnt/nfs/test-dupe with fstype nfs statvers=1.1
opts: rw,vers=3,rsize=1048576,wsize=1048576,namlen=255,acregmin=3,acregmax=60,acdirmin=30,acdirmax=60,hard,proto=udp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=192.168.1.5,local_lock=none,mountaddr=192.168.1.1,mountproto=udp,mountport=47853
age: 13968
caps: caps=0xfff7,wtmult=512,dtsize=32768,bsize=0,namlen=255
nfsv4: bm0=0xfdffafff,bm1=0xf9be3e,bm2=0x0,acl=0x0,pnfs=not configured