helijia_skylab

defmodule Skylab.Config do
  @moduledoc """
  Skylab 默认的环境配置

  ## Elixir 应用三挡

    * cpu_request: 100m, cpu_limit: 2000m
    * cpu_request: 300m, cpu_limit: 2000m
    * cpu_request: 500m, cpu_limit: 2000m

  """

  @base [
    k8s_server: "https://stg-k8s-api.helijia.com",
    k8s_namespace: "stg",
    image_registry: "registry.cn-beijing.aliyuncs.com",
    image_namespace: "hlj-web",
    image_registry_user: System.get_env("ALIYUN_REGISTRY_USER"),
    image_registry_password: System.get_env("ALIYUN_REGISTRY_PASSWORD"),
    replicas: 1,
    auto_min_replicas: 1,
    auto_max_replicas: 2,
    stateful: false,
    cpu_request: "100m",
    cpu_limit: "2000m",
    mem_request: "256Mi",
    mem_limit: "2048Mi",
    readiness_url: "/heartbeat",
    liveness_url: "/heartbeat",
    app_run_env: "stg",
    node_selector: [
      pool: "skylab"
    ],
    mounts: [],
    volumes: []
  ]

  @stg_envs 1..9 |> Enum.map(&:"stg#{&1}")

  def deploy_config do
    Mix.env()
    |> deploy_config()
    |> with_user_config()
  end

  def deploy_config(:release) do
    @base
    |> Keyword.merge(
      k8s_server: "https://39.106.140.129:6443",
      k8s_namespace: "pre",
      image_registry: "registry.cn-beijing.aliyuncs.com",
      image_pull_registry: "registry-vpc.cn-beijing.aliyuncs.com",
      image_namespace: "hlj-web",
      image_registry_user: System.get_env("ALIYUN_REGISTRY_USER"),
      image_registry_password: System.get_env("ALIYUN_REGISTRY_PASSWORD"),
      app_run_env: "release"
    )
  end

  def deploy_config(:prod) do
    :release
    |> deploy_config()
    |> Keyword.merge(
      replicas: 2,
      k8s_namespace: "pro",
      app_run_env: "prod"
    )
  end

  def deploy_config(env) when env in @stg_envs do
    env = to_string(env)

    deploy_config(:stg,
      k8s_namespace: env,
      app_run_env: env
    )
  end

  def deploy_config(env) when is_atom(env) do
    @base
  end

  def deploy_config(env, custom) do
    env
    |> deploy_config()
    |> Keyword.merge(custom)
  end

  defp with_user_config(opts) do
    opts
    |> Keyword.merge(Application.get_env(:skylab, :deploy, []))
  end

  def all() do
    [
      deploy: deploy_config(),
      gitlab_api_token: gitlab_api_token(),
      secrets: secrets()
    ]
  end

  def gitlab_api_token do
    Application.get_env(:skylab, :gitlab_api_token) ||
      System.get_env("GITLAB_API_TOKEN")
  end

  def secrets do
    Application.get_env(:skylab, :secrets, [])
  end
end