Nomad

Instalace

sudo apt-get update && \ sudo apt-get install wget gpg coreutils
wget -O- https://apt.releases.hashicorp.com/gpg | sudo gpg --dearmor -o /usr/share/keyrings/hashicorp-archive-keyring.gpg
sudo apt-get update && sudo apt-get install nomad

• https://developer.hashicorp.com/nomad/docs/install

CNI Pluginy

curl -L -o cni-plugins.tgz "https://github.com/containernetworking/plugins/releases/download/v1.2.0/cni-plugins-linux-$( [ $(uname -m) = aarch64 ] && echo arm64 || echo amd64)"-v1.2.0.tgz && \
sudo mkdir -p /opt/cni/bin && \
sudo tar -C /opt/cni/bin -xzf cni-plugins.tgz

• https://developer.hashicorp.com/nomad/docs/install#post-installation-steps

Konfigurační hcl soubor

mkdir /var/log/nomad

# Full configuration options can be found at https://www.nomadproject.io/docs/configuration

bind_addr = "0.0.0.0"
data_dir  = "/opt/nomad/data"
datacenter = "NAZEV_TOHO_SERVER" 

enable_syslog = true
log_level = "INFO"
log_file = "/var/log/nomad/"

advertise {
  http = "{{GetInterfaceIP \"ens192\"}}"
  rpc  = "{{GetInterfaceIP \"ens192\"}}"
  serf = "{{GetInterfaceIP \"ens192\"}}"
}

server {
  enabled = true
  bootstrap_expect = 2
  server_join {
    retry_join = [ "IP_ADDRESA_JEDNOHO_SERVER", "IP_ADDRESA_DRUHEHO_SERVER" ]
    retry_interval = "15s"
  }
}

client {
  enabled = true
  servers = [ "localhost" ]
  cni_path = "/opt/cni/bin"
}

plugin "raw_exec" {
  config {
    enabled = true
  }
}

plugin "docker" {
  config {
    gc {
      dangling_containers {
        enabled = false
      }
    }
  }
}

• https://blog.pavelsklenar.com/two-node-nomad-cluster/
• https://thekevinwang.com/2022/11/20/nomad-cluster/

Restartování

systemctl enable nomad
systemctl restart nomad