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lxd-telegraf-stats
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LXD containers metrics
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lxd-telegraf-stats
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Python script for gathering metrics of containers on lxd host. Script is periodically triggered by telegraf and gathered metrics are sent to influxdb (and/or another metricsdb, based on telegraf configuration). grafana_dashboards contains example dashbords which using gathered metrics. Tested on Ubuntu LTS 16.04 with LXD version `2.20-0ubuntu4~16.04.1~ppa1` (python `2.7`, kernel `4.10.0-40-generic`) Newly created `python3` branch have python3 version of script which was tested on Ubuntu LTS 20.04 with snap LXD version `4.0.3` (python `3.8.2`, kernel `5.4.0-47-generic`) Howto make it work (ubuntu server, for other distro use appropriate tools): 0. install lxd server https://linuxcontainers.org/lxd/introduction/ (i have spotted that this script not working with snap version of LXD - use PPA or Backports) 1. install telegraf https://docs.influxdata.com/telegraf/v1.4/introduction/installation/ 2. install influxdb https://docs.influxdata.com/influxdb/v1.3/introduction/installation/ 3. install grafana http://docs.grafana.org/installation/debian/ 4. configure telegraf to use influxdb (configure the running period for telegraf - default is 10s which should be too often (and may broke things)) 5. copy lxd.conf to /etc/telegraf/telegraf.d/ 6. copy sudoers telegraf to /etc/sudoers.d/ 7. copy lxd-telegraf-stats.py to /usr/local/sbin/ and chmod +x it. 8. install additional python modules: `apt-get install python-ws4py python-pylxd` or via pip(3) `pip(3) install ws4py pylxd` 9. try to run script - output should be like: ``` /usr/local/sbin/lxd-telegraf-stats.py lxd,type=container,hostname=master-666,name=master,instance=666,metric=status running=1,processes=27,cpuprio=1024,hddprio=500 lxd,type=container,hostname=master-666,name=master,instance=666,metric=mem usage=64884736,usage_pct=3,limit=2147483648,peak=67051520 lxd,type=container,hostname=master-666,name=master,instance=666,metric=swap usage=0,peak=0 lxd,type=container,hostname=master-666,name=master,instance=666,metric=cpu usage=552144742062,limit=2,usage_percpu=276072371031 lxd,type=container,hostname=master-666,name=master,instance=666,metric=blkio bytes_total=31486976,iops_total=779,bytes_write=0,iops_write=0,bytes_read=31486976,iops_read=779 lxd,type=container,hostname=master-666,name=master,instance=666,metric=net,dev=lo pkts_out=788470,bytes_in=68317360,bytes_out=68317360,pkts_in=788470 lxd,type=container,hostname=master-666,name=master,instance=666,metric=net,dev=eth1 pkts_out=182,bytes_in=15541517,bytes_out=12836,pkts_in=182031 lxd,type=container,hostname=master-666,name=master,instance=666,metric=net,dev=vxlan pkts_out=2095146,bytes_in=40770984,bytes_out=85283645,pkts_in=575666 lxd,type=container,hostname=master-666,name=master,instance=666,metric=net,dev=eth0 pkts_out=2118158,bytes_in=97459691,bytes_out=220339657,pkts_in=677739 lxd,type=container,hostname=master-666,name=master,instance=666,metric=disk,dev=tmp usage=0,usage_pct=0,limit=536870912 lxd,type=container,hostname=master-666,name=master,instance=666,metric=disk,dev=root usage=138584064,usage_pct=1,limit=10737418240 lxd,type=container,hostname=logger-666,name=logger,instance=666,metric=status running=1,processes=16,cpuprio=1024,hddprio=500 lxd,type=container,hostname=logger-666,name=logger,instance=666,metric=mem usage=47546368,usage_pct=2,limit=2147483648,peak=50176000 lxd,type=container,hostname=logger-666,name=logger,instance=666,metric=swap usage=0,peak=0 lxd,type=container,hostname=logger-666,name=logger,instance=666,metric=cpu usage=307662859002,limit=2,usage_percpu=153831429501 lxd,type=container,hostname=logger-666,name=logger,instance=666,metric=blkio bytes_total=29099008,iops_total=840,bytes_write=0,iops_write=0,bytes_read=29099008,iops_read=840 lxd,type=container,hostname=logger-666,name=logger,instance=666,metric=net,dev=lo pkts_out=0,bytes_in=0,bytes_out=0,pkts_in=0 lxd,type=container,hostname=logger-666,name=logger,instance=666,metric=net,dev=vxlan pkts_out=10998,bytes_in=32260729,bytes_out=308352,pkts_in=1084500 lxd,type=container,hostname=logger-666,name=logger,instance=666,metric=net,dev=eth0 pkts_out=32390,bytes_in=121446118,bytes_out=1910852,pkts_in=1184950 lxd,type=container,hostname=logger-666,name=logger,instance=666,metric=disk,dev=tmp usage=0,usage_pct=0,limit=536870912 lxd,type=container,hostname=logger-666,name=logger,instance=666,metric=disk,dev=root usage=18042880,usage_pct=0,limit=10737418240 lxd,type=master,metric=mem total=16812589056,given=25402523648,used=691441664,given_pct=151,used_pct=4 lxd,type=master,metric=other live=1 lxd,type=master,metric=hdd total=1990116046274,given=2033065719234,used=316979200,given_pct=102,used_pct=0 lxd,type=master,metric=cpu given=24,total=16 lxd,type=master,metric=containers running=5,total=6,stopped=1,notrunning=1 ``` 10. restart telegraf: systemctl restart telegraf.service (you should test the gathering with telegraf --test command) 11. login to your grafana and import attached dashboards from grafana_dashboards 12. edit/tweak settings to make it work 13. do not let your eyeballs pop out! 14. maybe i'm missed something, so look at your logs if something went wrong. ScreenShot: ![alt text][screenshot] [screenshot]: https://raw.githubusercontent.com/wociscz/lxd-telegraf-stats/master/screenshots/Screenshot-2017-11-24%20Grafana%20-%20Instance%20detail.png "Instance Detail"
