Class: Pfab::Templates::Web

Inherits:
Base
  • Object
show all
Defined in:
lib/pfab/templates/web.rb

Instance Method Summary collapse

Methods inherited from Base

#app_vars, #cpu, #env_vars, #get, #image_name, #initialize, #load_env_vars, #load_secrets, #memory, #resources

Constructor Details

This class inherits a constructor from Pfab::Templates::Base

Instance Method Details

#default_probe ⇒ Object 



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# File 'lib/pfab/templates/web.rb', line 85

def default_probe
  {
    httpGet: {
      path: get("health_check_path") || "/",
      port: get("port"),
    },
    initialDelaySeconds: 15,
  }
end

#deployment ⇒ Object 



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# File 'lib/pfab/templates/web.rb', line 103

def deployment
  {
    kind: "Deployment",
    apiVersion: "extensions/v1beta1",
    metadata: {
      name: @data['deployed_name'],
      namespace: @data['env'],
      labels: {
        application: @data['application'],
        "deployed-name" => @data['deployed_name'],
        "application-type" => "web",
      }
    },
    spec: {
      replicas: get("replicas") || 1,
      selector: {
        matchLabels: {
          "deployed-name" => @data['deployed_name'],
        },
      },
      strategy: {
        type: "RollingUpdate",
        rollingUpdate: {
          maxSurge: 1,
          maxUnavailable: 0,
        }
      },
      revisionHistoryLimit: 5,
      progressDeadlineSeconds: 120,
      template: {
        metadata: {
          labels: {
            application: @data['application'],
            "deployed-name" => @data['deployed_name'],
            "application-type" => "web",
          },
        },
        spec: {
          containers: [
            {
              image: image_name,
              name: @data['deployed_name'],
              command: get("command").split(" "),
              env: env_vars,
              resources: resources,
              livenessProbe: livenessProbe,
              readinessProbe: readinessProbe,
            }
          ]
        },
      },
    },
  }
end

#ingress ⇒ Object 



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# File 'lib/pfab/templates/web.rb', line 37

def ingress
  {
    apiVersion: "extensions/v1beta1",
    kind: "Ingress",
    metadata: {
      name: "ingress-#{@data['deployed_name']}",
      namespace: @data['env'],
      labels: {
        application: @data['application'],
        "deployed-name" => @data['deployed_name'],
      },
      annotations: ingress_annotations,
    },
    spec: {
      rules: [
        {
          host: get("host"),
          http: {
            paths: [
              {
                path: "/",
                backend: {
                  serviceName: @data['deployed_name'],
                  servicePort: "http",
                },
              },
            ],
          },
        },
      ],
    },
  }
end

#ingress_annotations ⇒ Object 



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# File 'lib/pfab/templates/web.rb', line 71

def ingress_annotations
  h = {
    "kubernetes.io/ingress.class" => "traefik",
    "traefik.frontend.passHostHeader" => "false",
    "traefik.frontend.priority" => "1",
    "traefik.frontend.entryPoints" => "https",
    "traefik.protocol" => get("protocol") || "http",
    "traefik.frontend.headers.SSLRedirect" => "true",
    "traefik.docker.network" => "traefik",
  }
  h["ingress.kubernetes.io/protocol"] = "h2c" if get("protocol") == "h2c"
  h
end

#livenessProbe ⇒ Object 



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# File 'lib/pfab/templates/web.rb', line 95

def livenessProbe
  get("livenessProbe") || default_probe
end

#readinessProbe ⇒ Object 



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# File 'lib/pfab/templates/web.rb', line 99

def readinessProbe
  get("readinessProbe") || default_probe
end

#service ⇒ Object 



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# File 'lib/pfab/templates/web.rb', line 10

def service
  {
    apiVersion: "v1",
    kind: "Service",
    metadata: {
      name: @data['deployed_name'],
      namespace: @data['env'],
      labels: {
        application: @data['application'],
        "deployed-name" => @data['deployed_name'],
      }
    },
    spec: {
      selector: {
        "deployed-name" => @data['deployed_name'],
      },
      ports: [
        {
          name: "http",
          port: 80,
          targetPort: get("port"),
        }
      ]
    }
  }
end

#write_to(f) ⇒ Object 



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# File 'lib/pfab/templates/web.rb', line 4

def write_to(f)
  f << YAML.dump(service.deep_stringify_keys)
  f << YAML.dump(ingress.deep_stringify_keys)
  f << YAML.dump(deployment.deep_stringify_keys)
end