Collectd & InfluxDb & Grafana 之一: 常用系统统计

Collectd

apt-get install collected

# vi /etc/collectd/collectd.conf
Hostname "localhost"
FQDNLookup true
Interval 5
Timeout         4
LoadPlugin syslog
<Plugin syslog>
LogLevel info
</Plugin>
LoadPlugin battery
LoadPlugin cpu
LoadPlugin cpufreq
LoadPlugin df
LoadPlugin disk
LoadPlugin entropy
LoadPlugin interface
LoadPlugin irq
LoadPlugin load
LoadPlugin memory
LoadPlugin network
LoadPlugin processes
LoadPlugin rrdtool
LoadPlugin swap
LoadPlugin users
<Plugin df>
FSType rootfs
FSType sysfs
FSType proc
FSType devtmpfs
FSType devpts
FSType tmpfs
FSType fusectl
FSType cgroup
IgnoreSelected true
ReportByDevice true
ReportInodes true
ValuesAbsolute true
ValuesPercentage true
</Plugin>
<Plugin interface>
Interface "eno1"
IgnoreSelected false
</Plugin>
# 网络插件, 把Collectd搜集的数据通过接口eno1发往192.168.212.127:25826
<Plugin network>
<Server "192.168.212.127" "25826">
Interface "eno1"
</Server>
</Plugin>
<Plugin rrdtool>
DataDir "/var/lib/collectd/rrd"
</Plugin>
<Include "/etc/collectd/collectd.conf.d">
Filter "*.conf"
</Include>

InfluxDB

wget https://dl.influxdata.com/influxdb/releases/influxdb_1.0.0_amd64.deb sudo dpkg -i influxdb_1.0.0_amd64.deb

root@ubuntu:~# service influxdb status
influxdb process is not running [ FAILED ]
root@ubuntu:~# service influxdb start
Starting influxdb...
influxdb process was started [ OK ]

influx

➜  ~ influx
> CREATE DATABASE "collectdb"

/etc/influxdb/influxdb.conf

[[collectd]]

[[collectd]]
enabled = true
# 在 `192.168.212.127:25826` 上监听从 Collectd 发过来的数据.
bind-address = "192.168.212.127:25826"
database = "collectdb"
typesdb = "/usr/share/collectd/types.db"
batch-size = 5000
batch-pending = 10
batch-timeout = "10s"
read-buffer = 0

service influxdb restart

Grafana

# vi /etc/apt/source.list.d/grafana.list
deb https://packagecloud.io/grafana/stable/debian/ wheezy main

curl https://packagecloud.io/gpg.key | sudo apt-key add -
sudo apt-get update
sudo apt-get install grafana

网络流量统计

SELECT derivative("value") AS "value" FROM "interface_rx" WHERE "host" = 'localhost' AND "type" = 'if_octets' AND"instance" = 'eno1'

derivative

value

derivative("value")

value

host

localhost

type

if_octets

instance

eno1

系统负载

SELECT mean("value") FROM "load_longterm" WHERE "host" = 'localhost' AND $timeFilter GROUP BY time($interval) fill(null)
SELECT mean("value") FROM "load_midterm" WHERE "host" = 'localhost' AND $timeFilter GROUP BY time($interval) fill(null)
SELECT mean("value") FROM "load_shortterm" WHERE "host" = 'localhost' AND $timeFilter GROUP BY time($interval) fill(null)

内存用量

SELECT mean("value") FROM "memory_value" WHERE "type_instance" = 'used' AND $timeFilter GROUP BY time($interval) fill(null)