4.2. 在所有节点上安装性能监控集合代理

subscription-manager repos --enable=rhel-7-server-openstack-8-optools-rpms

# subscription-manager repos --enable=rhel-7-server-openstack-8-optools-rpms

yum install collectd

# yum install collectd

<LoadPlugin write_graphite>
  Globals false
</LoadPlugin>

<Plugin write_graphite>
  <Carbon>
    Host "PERFORMANCE_MONITORING_HOST"
    Port "2003"
    Prefix "collectd."
    EscapeCharacter "_"
    StoreRates true
    LogSendErrors true
    Protocol "tcp"
  </Carbon>
</Plugin>

<LoadPlugin write_graphite>
  Globals false
</LoadPlugin>

<Plugin write_graphite>
  <Carbon>
    Host "PERFORMANCE_MONITORING_HOST"
    Port "2003"
    Prefix "collectd."
    EscapeCharacter "_"
    StoreRates true
    LogSendErrors true
    Protocol "tcp"
  </Carbon>
</Plugin>

setsebool -P collectd_tcp_network_connect=1

# setsebool -P collectd_tcp_network_connect=1

systemctl start collectd
systemctl enable collectd

# systemctl start collectd
# systemctl enable collectd