Class: IngressForServiceMiddlewareTest

Inherits:
Minitest::Test
  • Object
show all
Defined in:
lib/kube/cluster/middleware/ingress_for_service.rb

Constant Summary collapse

Middleware = 
Kube::Cluster::Middleware

Instance Method Summary collapse

Instance Method Details

#test_custom_issuer_and_ingress_class ⇒ Object 



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# File 'lib/kube/cluster/middleware/ingress_for_service.rb', line 140

def test_custom_issuer_and_ingress_class
  m = manifest(Kube::Cluster["Service"].new {
    metadata.name = "web"
    metadata.labels = { "app.kubernetes.io/expose": "app.example.com" }
    spec.ports = [{ name: "http", port: 80 }]
  })

  Middleware::IngressForService.new(
    issuer: "letsencrypt-staging",
    ingress_class: "traefik",
  ).call(m)

  ingress = m.resources.last.to_h
  assert_equal "traefik", ingress.dig(:spec, :ingressClassName)
  assert_equal "letsencrypt-staging", ingress.dig(:metadata, :annotations, :"cert-manager.io/cluster-issuer")
end

#test_expose_true_uses_name_as_hostname ⇒ Object 



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# File 'lib/kube/cluster/middleware/ingress_for_service.rb', line 157

def test_expose_true_uses_name_as_hostname
  m = manifest(Kube::Cluster["Service"].new {
    metadata.name = "api"
    metadata.labels = { "app.kubernetes.io/expose": "true" }
    spec.ports = [{ name: "http", port: 80 }]
  })

  Middleware::IngressForService.new.call(m)
  ingress = m.resources.last.to_h

  assert_equal "api.local", ingress.dig(:spec, :rules, 0, :host)
  assert_equal ["api.local"], ingress.dig(:spec, :tls, 0, :hosts)
end

#test_generates_ingress_from_service_with_expose_label ⇒ Object 



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# File 'lib/kube/cluster/middleware/ingress_for_service.rb', line 104

def test_generates_ingress_from_service_with_expose_label
  m = manifest(Kube::Cluster["Service"].new {
    metadata.name = "web"
    metadata.namespace = "production"
    metadata.labels = { "app.kubernetes.io/expose": "app.example.com" }
    spec.selector = { app: "web" }
    spec.ports = [{ name: "http", port: 80, targetPort: "http" }]
  })

  Middleware::IngressForService.new.call(m)

  assert_equal 2, m.resources.size

  service, ingress = m.resources
  assert_equal "Service", service.to_h[:kind]
  assert_equal "Ingress", ingress.to_h[:kind]

  ih = ingress.to_h
  assert_equal "web", ih.dig(:metadata, :name)
  assert_equal "production", ih.dig(:metadata, :namespace)
  assert_equal "nginx", ih.dig(:spec, :ingressClassName)
  assert_equal "letsencrypt-prod", ih.dig(:metadata, :annotations, :"cert-manager.io/cluster-issuer")
  assert_equal "true", ih.dig(:metadata, :annotations, :"nginx.ingress.kubernetes.io/ssl-redirect")

  # TLS
  tls = ih.dig(:spec, :tls, 0)
  assert_equal ["app.example.com"], tls[:hosts]
  assert_equal "web-tls", tls[:secretName]

  # Rules
  rule = ih.dig(:spec, :rules, 0)
  assert_equal "app.example.com", rule[:host]
  assert_equal "web", rule.dig(:http, :paths, 0, :backend, :service, :name)
  assert_equal "http", rule.dig(:http, :paths, 0, :backend, :service, :port, :name)
end

#test_skips_non_service_resources ⇒ Object 



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# File 'lib/kube/cluster/middleware/ingress_for_service.rb', line 199

def test_skips_non_service_resources
  m = manifest(Kube::Cluster["Deployment"].new {
    metadata.name = "web"
    metadata.labels = { "app.kubernetes.io/expose": "app.example.com" }
  })

  Middleware::IngressForService.new.call(m)

  assert_equal 1, m.resources.size
end

#test_skips_service_without_expose_label ⇒ Object 



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# File 'lib/kube/cluster/middleware/ingress_for_service.rb', line 188

def test_skips_service_without_expose_label
  m = manifest(Kube::Cluster["Service"].new {
    metadata.name = "web"
    spec.ports = [{ name: "http", port: 80 }]
  })

  Middleware::IngressForService.new.call(m)

  assert_equal 1, m.resources.size
end

#test_strips_expose_label_from_ingress ⇒ Object 



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# File 'lib/kube/cluster/middleware/ingress_for_service.rb', line 171

def test_strips_expose_label_from_ingress
  m = manifest(Kube::Cluster["Service"].new {
    metadata.name = "web"
    metadata.labels = {
      "app.kubernetes.io/expose": "app.example.com",
      "app.kubernetes.io/name": "web",
    }
    spec.ports = [{ name: "http", port: 80 }]
  })

  Middleware::IngressForService.new.call(m)
  ingress_labels = m.resources.last.to_h.dig(:metadata, :labels)

  assert_nil ingress_labels[:"app.kubernetes.io/expose"]
  assert_equal "web", ingress_labels[:"app.kubernetes.io/name"]
end