Unofficial cacti docker-compose.yml

Parameters

Network

key	value
name	cacti_nw
subnet	-(dynamic)
interface	cacti_nw

Container

server	app	address	listen
cacti_db	MariaDB	-(dynamic)	3306/tcp
cacti_sv	apache cacti cacti-spine	-(dynamic)	80/tcp 443/tcp

Firewall Policy add

firewall-cmd --add-masquerade --permanent
firewall-cmd --reload

build servers

git clone

git clone https://github.com/bashaway/cacti

Build and Start Containers

cd cacti
docker-compose build
docker-compose up -d

Setup

Access Cacti Server

http://[hostname or address]/cacti

login web console

Username : admin
Password : admin

change default password

environment check

select New Primary Server　

setup complete

spine configuration

Console --> Configuration --> Settings --> Poller
PollerType : cmd.php --> spine

check spine process

# spine -V=3 -R
SPINE: Using spine config file [/etc/spine.conf]
SPINE: Version 1.1.38 starting
2019/01/09 23:07:24 - SPINE: Poller[1] NOTE: Spine will support multithread device polling.
2019/01/09 23:07:24 - SPINE: Poller[1] DEBUG: Initial Value of Active Threads is 0
2019/01/09 23:07:24 - SPINE: Poller[1] SPINE: Active Threads is 1, Pending is 1
2019/01/09 23:07:24 - SPINE: Poller[1] Device[1] TH[1] NOTE: There are '5' Polling Items for this Device
2019/01/09 23:07:24 - SPINE: Poller[1] Device[1] TH[1] DS[1] SCRIPT: perl /usr/share/cacti/scripts/unix_processes.pl, output: 184
2019/01/09 23:07:24 - SPINE: Poller[1] Device[1] TH[1] DS[2] SCRIPT: perl /usr/share/cacti/scripts/loadavg_multi.pl, output: 1min:0.00 5min:0.02 10min:0.09
2019/01/09 23:07:24 - SPINE: Poller[1] Device[1] TH[1] DS[3] SCRIPT: perl /usr/share/cacti/scripts/unix_users.pl '', output: 1
2019/01/09 23:07:24 - SPINE: Poller[1] Device[1] TH[1] DS[4] SCRIPT: perl /usr/share/cacti/scripts/linux_memory.pl 'MemFree:', output: 793572
2019/01/09 23:07:24 - SPINE: Poller[1] Device[1] TH[1] DS[5] SCRIPT: perl /usr/share/cacti/scripts/linux_memory.pl 'SwapFree:', output: 2097148
2019/01/09 23:07:24 - SPINE: Poller[1] Device[1] TH[1] Total Time: 0.058 Seconds
2019/01/09 23:07:24 - SPINE: Poller[1] POLLR: Active Threads is 0, Pending is 0
2019/01/09 23:07:25 - SPINE: Poller[1] SPINE: The Final Value of Threads is 0
2019/01/09 23:07:25 - SPINE: Poller[1] Time: 1.0277 s, Threads: 1, Devices: 1
#

Database backup and restore

RRA file

RRA directory mount on host machine.

cacti_sv/Dockerfile

----8<---(snip)---8<---
 cacti_sv:
    volumes:
      - ./rra:/var/lib/cacti/rra
---->8---(snip)--->8---

Cacti database

Cacti database automates daily backups with CRON.

crontab

2 5 * * *       root    cp -f /usr/share/cacti/rra/CACTI_DB_BACKUP.sql /usr/share/cacti/rra/CACTI_DB_BACKUP.sql.old
5 5 * * *       root    mysqldump -u cactiuser -pcactipwd cacti -h cacti_db > /usr/share/cacti/rra/CACTI_DB_BACKUP.sql 2>&1

Restore cacti server

cacti_sv/docker-entrypoint.sh

if [ "`mysql -ucactiuser -pcactipwd  -h cacti_db cacti  -e 'show tables'`" = "" ]  ; then

  if [ -e /usr/share/cacti/rra/CACTI_DB_BACKUP.sql ]  ; then
    mysql -ucactiuser -pcactipwd cacti -h cacti_db < /usr/share/cacti/rra/CACTI_DB_BACKUP.sql
  else
    mysql -ucactiuser -pcactipwd cacti -h cacti_db < /usr/share/doc/cacti/cacti.sql
  fi

  chown -R apache.apache /var/lib/cacti/rra
fi

Appendix

Install Docker

DockerCE

dnf -y update
dnf config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
dnf -y --nobest install docker-ce docker-ce-cli containerd.io
dnf -y update https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.10-3.2.el7.x86_64.rpm
dnf -y update
systemctl enable docker
systemctl start docker

Docker Compose

curl -L "https://github.com/docker/compose/releases/download/1.25.3/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose