mgmt/infrastructure/jobs/openfaas.nomad

job "openfaas" {
  datacenters = ["dc1"]
  type = "service"

  group "openfaas-gateway" {
    count = 1

    constraint {
      attribute = "${node.unique.name}"
      operator  = "regexp"
      value     = "(master|ash3c|hcp)"
    }

    task "openfaas-gateway" {
      driver = "podman"

      config {
        image = "ghcr.io/openfaas/gateway:0.2.35"
        ports = ["http", "ui"]
        env = {
          "functions_provider_url" = "http://${NOMAD_IP_http}:8080"
          "read_timeout" = "60s"
          "write_timeout" = "60s"
          "upstream_timeout" = "60s"
          "direct_functions" = "true"
          "faas_nats_address" = "nats://localhost:4222"
          "faas_nats_streaming" = "true"
          "basic_auth" = "true"
          "secret_mount_path" = "/run/secrets"
          "scale_from_zero" = "true"
        }
      }

      resources {
        network {
          mbits = 10
          port "http" { static = 8080 }
          port "ui" { static = 8081 }
        }
      }

      service {
        name = "openfaas-gateway"
        port = "http"
        check {
          type     = "http"
          path     = "/healthz"
          interval = "10s"
          timeout  = "2s"
        }
      }
    }
  }

  group "nats" {
    count = 1

    constraint {
      attribute = "${node.unique.name}"
      operator  = "regexp"
      value     = "(master|ash3c|hcp)"
    }

    task "nats" {
      driver = "podman"

      config {
        image = "nats-streaming:0.25.3"
        ports = ["nats"]
        args = [
          "-p",
          "4222",
          "-m",
          "8222",
          "-hbi",
          "5s",
          "-hbt",
          "5s",
          "-hbf",
          "2",
          "-SD",
          "-cid",
          "openfaas"
        ]
      }

      resources {
        network {
          mbits = 10
          port "nats" { static = 4222 }
        }
      }

      service {
        name = "nats"
        port = "nats"
        check {
          type     = "tcp"
          interval = "10s"
          timeout  = "2s"
        }
      }
    }
  }

  group "queue-worker" {
    count = 1

    constraint {
      attribute = "${node.unique.name}"
      operator  = "regexp"
      value     = "(master|ash3c|hcp)"
    }

    task "queue-worker" {
      driver = "podman"

      config {
        image = "ghcr.io/openfaas/queue-worker:0.12.2"
        env = {
          "gateway_url" = "http://${NOMAD_IP_http}:8080"
          "faas_nats_address" = "nats://localhost:4222"
          "faas_nats_streaming" = "true"
          "ack_wait" = "5m"
          "write_debug" = "true"
        }
      }

      resources {
        network {
          mbits = 10
        }
      }
    }
  }

  group "prometheus" {
    count = 1

    constraint {
      attribute = "${node.unique.name}"
      operator  = "regexp"
      value     = "(master|ash3c|hcp)"
    }

    task "prometheus" {
      driver = "podman"

      config {
        image = "prom/prometheus:v2.35.0"
        ports = ["prometheus"]
        volumes = [
          "/opt/openfaas/prometheus.yml:/etc/prometheus/prometheus.yml"
        ]
      }

      resources {
        network {
          mbits = 10
          port "prometheus" { static = 9090 }
        }
      }

      service {
        name = "prometheus"
        port = "prometheus"
        check {
          type     = "http"
          path     = "/-/healthy"
          interval = "10s"
          timeout  = "2s"
        }
      }
    }
  }
}