我无法汇总我写的一些自定义图表。 我知道聚合function,因为我能够聚合默认插件,但我不确定什么是我的错。
munin.conf:
[myapp;web-servers;0-1] address 1.2.3.4 use_node_name yes [myapp;web-servers;0-2] address 5.6.7.8 use_node_name yes [myapp;web-servers;Aggregated] update no #does not work: node_aggregate.graph_args --base 1000 -l 0 node_aggregate.graph_title Aggregated connects node_aggregate.conns.label conns node_aggregate.conns.sum myapp;web-servers;0-1:nodejs_numberOfConnects.conns myapp;web-servers;0-2:nodejs_numberOfConnects.conns #works: node_aggregate.graph_title Aggregated cpu node_aggregate.cpu.label cpu.user node_aggregate.cpu.sum myapp;web-servers;0-1:cpu.user myapp;web-servers;0-2:cpu.user
我的插件看起来像这样:
if [[ "$PARAM" == "numberOfConnects" ]]; then echo "graph_title Active Connects"; echo "graph_info Active Connects"; echo "graph_vlabel Connections"; echo "$PARAM.label conns"; echo "$PARAM.type GAUGE"; echo "$PARAM.colour 0927EB" exit 0; elif ... fi echo $PARAM.value 15
出于testing目的,我可以硬编码“$ PARAM.value 15”。 我可以这样做
munin-run --servicedir /etc/munin/plugins nodejs_numberOfConnects这将返回numberOfConnects.value 15
而我得到的错误是:
==> /var/log/munin/munin-graph.log <== 2016/03/15 13:57:01 [ERROR] filename is empty for $VAR1 = { '#%#name' => 'z1_0', 'cdef' => 'z1_0,UN,0,z1_0,IF', 'graph' => 'no', 'label' => 'z1_0' }; , myapp;web-servers;0-1:nodejs_numberOfConnects.conns 2016/03/15 13:57:01 [ERROR] filename is empty for $VAR1 = { '#%#name' => 'z1_1', 'cdef' => 'z1_1,UN,0,z1_1,IF,z1_0,ADDNAN', 'colour' => undef, 'draw' => undef, 'graph' => 'yes', 'label' => 'conns' }; , myapp;web-servers;0-2:nodejs_numberOfConnects.conns
你试图通过conns作为导出的值,但这实际上是numberOfConnects
node_aggregate.nodejs_numberOfConnects.label conns(or whatever) node_aggregate.nodejs_numberOfConnects.sum \ myapp;web-servers;0-1:nodejs_numberOfConnects.numberOfConnects \ myapp;web-servers;0-2:nodejs_numberOfConnects.numberOfConnects
经过很多debugging,我意识到我错误地使用了标签的名称而不是值的名称。
node_aggregate.conns.sum myapp;web-servers;0-1:nodejs_numberOfConnects.conns myapp;web-servers;0-2:nodejs_numberOfConnects.conns
需要是
node_aggregate.conns.sum myapp;web-servers;0-1:nodejs_numberOfConnects.numberOfConnects myapp;web-servers;0-2:nodejs_numberOfConnects.numberOfConnects
因为
if [[ "$PARAM" == "numberOfConnects" ]]; then [...] echo $PARAM.value 15
换句话说,在我的情况下,服务器线等于:
$arbitraryname1.arbitraryname2.sum $clientname;$hostgroup;$hostname:$pluginname.$valuename
我也非常丢弃了使用以下语法的cpu示例:
myapp;web-servers;0-1:cpu.user但这是因为它的价值名称实际上是一致的标签名称!