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Include TCP OutRsts in netstat metrics

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TCP "OutRsts" is the number of TCP Resets sent by the node. This can be
useful for monitoring connection failures and flooding.

Signed-off-by: Ben Kochie <superq@gmail.com>
This commit is contained in:
Ben Kochie 2020-06-04 08:41:53 +02:00
parent b9c96706a7
commit 204164e4e4
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GPG key ID: C646B23C9E3245F1
4 changed files with 8 additions and 2 deletions
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2
CHANGELOG.md
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@ -2,7 +2,7 @@
* [CHANGE]
* [FEATURE]
* [ENHANCEMENT]
* [ENHANCEMENT] Include TCP OutRsts in netstat metrics
* [BUGFIX]
## 1.0.0 / 2020-05-25

3
collector/fixtures/e2e-64k-page-output.txt
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@ -1886,6 +1886,9 @@ node_netstat_Tcp_InErrs 5
# HELP node_netstat_Tcp_InSegs Statistic TcpInSegs.
# TYPE node_netstat_Tcp_InSegs untyped
node_netstat_Tcp_InSegs 5.7252008e+07
# HELP node_netstat_Tcp_OutRsts Statistic TcpOutRsts.
# TYPE node_netstat_Tcp_OutRsts untyped
node_netstat_Tcp_OutRsts 1003
# HELP node_netstat_Tcp_OutSegs Statistic TcpOutSegs.
# TYPE node_netstat_Tcp_OutSegs untyped
node_netstat_Tcp_OutSegs 5.4915039e+07

3
collector/fixtures/e2e-output.txt
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@ -1955,6 +1955,9 @@ node_netstat_Tcp_InErrs 5
# HELP node_netstat_Tcp_InSegs Statistic TcpInSegs.
# TYPE node_netstat_Tcp_InSegs untyped
node_netstat_Tcp_InSegs 5.7252008e+07
# HELP node_netstat_Tcp_OutRsts Statistic TcpOutRsts.
# TYPE node_netstat_Tcp_OutRsts untyped
node_netstat_Tcp_OutRsts 1003
# HELP node_netstat_Tcp_OutSegs Statistic TcpOutSegs.
# TYPE node_netstat_Tcp_OutSegs untyped
node_netstat_Tcp_OutSegs 5.4915039e+07

2
collector/netstat_linux.go
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@ -34,7 +34,7 @@ const (
)
var (
netStatFields = kingpin.Flag("collector.netstat.fields", "Regexp of fields to return for netstat collector.").Default("^(.*_(InErrors|InErrs)|Ip_Forwarding|Ip(6|Ext)_(InOctets|OutOctets)|Icmp6?_(InMsgs|OutMsgs)|TcpExt_(Listen.*|Syncookies.*|TCPSynRetrans)|Tcp_(ActiveOpens|InSegs|OutSegs|PassiveOpens|RetransSegs|CurrEstab)|Udp6?_(InDatagrams|OutDatagrams|NoPorts|RcvbufErrors|SndbufErrors))$").String()
netStatFields = kingpin.Flag("collector.netstat.fields", "Regexp of fields to return for netstat collector.").Default("^(.*_(InErrors|InErrs)|Ip_Forwarding|Ip(6|Ext)_(InOctets|OutOctets)|Icmp6?_(InMsgs|OutMsgs)|TcpExt_(Listen.*|Syncookies.*|TCPSynRetrans)|Tcp_(ActiveOpens|InSegs|OutSegs|OutRsts|PassiveOpens|RetransSegs|CurrEstab)|Udp6?_(InDatagrams|OutDatagrams|NoPorts|RcvbufErrors|SndbufErrors))$").String()
)
type netStatCollector struct {