数据采集 采集源配置 Collectd 数据采集
Collectd 数据采集
简介
采集 Collectd 数据指标上报到 DataFlux 中。
前置条件
- 已安装 Collectd(Collectd 安装文档)
- 已安装 DataKit(DataKit 安装文档)
配置
Collectd 配置
打开
/etc/collectd/collectd.conf
文件。(以 Linux Ubuntu 默认安装路径为参考)找到
#LoadPlugin network
项,将行首的#
删除,取消注释。找到
<Plugin network>
项,<Server>
和Forward
项取消注释,Username
和Password
项可以选择修改,如下:
<Plugin network>
# # client setup:
# Server "ff18::efc0:4a42" "25826"
<Server "127.0.0.1" "25826">
SecurityLevel Encrypt
Username "user"
Password "passwd"
# Interface "eth0"
# ResolveInterval 14400
</Server>
# TimeToLive 128
#
# # server setup:
# Listen "ff18::efc0:4a42" "25826"
# <Listen "239.192.74.66" "25826">
# SecurityLevel Sign
# AuthFile "/etc/collectd/passwd"
# Interface "eth0"
# </Listen>
# MaxPacketSize 1452
#
# # proxy setup (client and server as above):
Forward true
#
# # statistics about the network plugin itself
# ReportStats false
#
# # "garbage collection"
# CacheFlush 1800
</Plugin>
- 在
/etc/collectd/
路径下创建文件auth_file
,内容为collectd.conf
中network
项配置的Username
和Password
,格式为Username:Password
。
根据第二步参数设置,auth_file
内容为:
user:passwd
- 使用
systemctl restart collectd
命令重启 collectd。
DataKit 配置
进入 DataKit 安装目录下的 conf.d/collectd
目录,复制 collectd.conf.sample
并命名为 collectd.conf
。示例如下:
注意:collectd 是采用
socket_listener
这个采集器来实现数据采集的。
[[inputs.socket_listener]]
service_address = "udp://:25826"
data_format = "collectd"
## Authentication file for cryptographic security levels
collectd_auth_file = "/etc/collectd/auth_file"
## One of none (default), sign, or encrypt
collectd_security_level = "encrypt"
## Path of to TypesDB specifications
collectd_typesdb = ["/usr/share/collectd/types.db"]
## Multi-value plugins can be handled two ways.
## "split" will parse and store the multi-value plugin data into separate measurements
## "join" will parse and store the multi-value plugin as a single multi-value measurement.
## "split" is the default behavior for backward compatability with previous versions of influxdb.
collectd_parse_multivalue = "split"
其中,collectd_auth_file
为 collectd 第三步创建的文件auth_file
,其余选项可以使用默认值。
示例输出
注:所有measurement
都带有后缀_value
memory_value,type=memory,type_instance=buffered value=2520051712 1560455990829955922
memory_value,type=memory,type_instance=used value=3710791680 1560455990829955922
memory_value,type=memory,type_instance=buffered value=2520047616 1560455980830417318
memory_value,type=memory,type_instance=cached value=9472626688 1560455980830417318
memory_value,type=memory,type_instance=slab_recl value=2088894464 1560455980830417318
memory_value,type=memory,type_instance=slab_unrecl value=146984960 1560455980830417318
memory_value,type=memory,type_instance=free value=2978258944 1560455980830417318
memory_value,type=memory,type_instance=used value=3707047936 1560455980830417318