monitoring

Install from repository
curl https://packagecloud.io/gpg.key | sudo apt-key add -
echo "deb https://packagecloud.io/grafana/stable/debian/ stretch main" | tee /etc/apt/sources.list.d/grafana_stable.list
sudo apt-get update
sudo apt install -y grafana

Credentials
http://SERVER_IP:3000/

Docker container
docker run -i -p 3000:3000 -e "GF_SERVER_ROOT_URL=http://10.0.3.164" -e "GF_SECURITY_ADMIN_PASSWORD=admin" grafana/grafana
user: admin
pass: admin

Configure Graphite datasource
Name: Graphite
Type: Graphite

Install from repository
sudo apt-get install -y prometheus
# optional
sudo apt-get install -y prometheus-node-exporter
sudo apt-get install -y prometheus-alertmanager
sudo apt-get install -y prometheus-pushgateway

Ansible installation
https://github.com/panticz/ansible/tree/master/roles/prometheus
- hosts: localhost
roles:
- prometheus

Login
http://SERVER_IP:9090/

Commands
avg_over_time(node_memory_MemAvailable[5m])/1024/1024

Repositroy

schedule a service check
HOST_NAME=www.example.com
SERVICE_NAME=APT
/usr/bin/printf "[%lu] SCHEDULE_FORCED_SVC_CHECK;%s;%s;%s\n" $(date +%s) "${HOST_NAME}" "${SERVICE_NAME}" $(date +%s) | tee -a "${NAGIOS_CMD_SOCKET}"

schedule a host check
NAGIOS_CMD_SOCKET=/var/lib/icinga/rw/icinga.cmd
/usr/bin/printf "[%lu] SCHEDULE_HOST_CHECK;%s;%s\n" \
$(date +%s) \
"host_name" \
$(date +%s) | tee -a $NAGIOS_CMD_SOCKET