Prometheus Vagrant

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby sw=2 ts=2 :

Vagrant.configure("2") do |config|
  config.vm.box = "debian/jessie64"

  config.vm.define "prom-server" do |prom|
    prom.vm.hostname = "prom.local"
    prom.vm.network "private_network", ip: "192.168.42.63"
    prom.vm.synced_folder ".", "/vagrant", disabled: true

    prom.vm.provision "shell", inline: <<-SCRIPT
VERSION=2.3.2
cd /opt
if [ ! -f prometheus-$VERSION.linux-amd64.tar.gz ]; then
  wget -q https://github.com/prometheus/prometheus/releases/download/v$VERSION/prometheus-$VERSION.linux-amd64.tar.gz
  tar -C /opt -xf prometheus-$VERSION.linux-amd64.tar.gz
fi
cat <<CONFIG > prometheus.yml
global:
  scrape_interval:     15s
  evaluation_interval: 15s
scrape_configs:
  - job_name: prom
    scrape_interval: 5s
    static_configs:
      - targets: ['localhost:9090']
  - job_name: node
    static_configs:
      - targets: ['192.168.42.64:9100']
CONFIG
cat <<DAEMON > /etc/systemd/system/prometheus.service
[Unit]
Description=Prometheus
After=network-online.target

[Service]
Restart=on-failure
ExecStart=/opt/prometheus-$VERSION.linux-amd64/prometheus --config.file=/opt/prometheus.yml

[Install]
WantedBy=multi-user.target
DAEMON
systemctl daemon-reload
systemctl start prometheus
systemctl enable prometheus
SCRIPT
  end

  config.vm.define "node" do |node|
    node.vm.hostname = "node.local"
    node.vm.network "private_network", ip: "192.168.42.64"
    node.vm.synced_folder ".", "/vagrant", disabled: true

    node.vm.provision "shell", inline: <<-SCRIPT
VERSION=0.16.0
cd /opt
if [ ! -f node_exporter-$VERSION.linux-amd64.tar.gz ]; then
  wget -q https://github.com/prometheus/node_exporter/releases/download/v$VERSION/node_exporter-$VERSION.linux-amd64.tar.gz
  tar -C /opt -xf node_exporter-$VERSION.linux-amd64.tar.gz
fi
cat <<DAEMON > /etc/systemd/system/node_exporter.service
[Unit]
Description=Node Exporter
After=network-online.target

[Service]
Restart=on-failure
ExecStart=/opt/node_exporter-$VERSION.linux-amd64/node_exporter

[Install]
WantedBy=multi-user.target
DAEMON
systemctl daemon-reload
systemctl start node_exporter
systemctl enable node_exporter
SCRIPT
  end

  config.vm.define "grafana" do |graph|
    graph.vm.hostname = "graph.local"
    graph.vm.network "private_network", ip: "192.168.42.65"
    graph.vm.synced_folder ".", "/vagrant", disabled: true

    graph.vm.provision "shell", inline: <<-SCRIPT
VERSION=5.2.2
apt-get -y install libfontconfig
cd /opt
if [ ! -f grafana_${VERSION}_amd64.deb ]; then
  wget -q wget https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana_${VERSION}_amd64.deb
  dpkg -i grafana_${VERSION}_amd64.deb
fi
systemctl start grafana-server
systemctl enable grafana-server
SCRIPT
  end

  ["vmware_fusion", "vmware_workstation", "virtualbox"].each do |provider|
    config.vm.provider provider do |v, override|
      v.memory = 512
    end
  end
end