Add url to vendor the current agent chart

This will allow users to not have to manually vendor this in airgapped environments, dramatically simplifying e2e setup.  Will need to follow-on with some terraform provider/cli changes as well.

Dockerfile

@@ -56,7 +56,7 @@ RUN ls -al
 
 COPY --from=node /app/build ./priv/static
 
-RUN mix release
+RUN mix do agent.chart, release
 
 FROM ${TOOLS_IMAGE} as tools
 
@@ -74,6 +74,8 @@ ENV CLI_VERSION=v0.12.1
 # renovate: datasource=github-tags depName=kubernetes/kubernetes
 # ENV KUBECTL_VERSION=v1.31.3
 
+COPY AGENT_VERSION AGENT_VERSION
+
 RUN apk update && apk add curl wget unzip
 RUN curl -L https://github.com/pluralsh/plural-cli/releases/download/${CLI_VERSION}/plural-cli_${CLI_VERSION#v}_Linux_${TARGETARCH}.tar.gz | tar xvz plural && \
   mv plural /usr/local/bin/plural && \

config/test.exs

@@ -16,14 +16,13 @@ config :console, ConsoleWeb.Endpoint,
   http: [port: 4002],
   server: false
 
-config :logger, level: :warning
+config :logger, level: :error
 
 config :goth,
   disabled: true
 
 config :piazza_core, aes_key: "1HdFP1DuK7xkkcEBne41yAwUY8NSfJnYfGVylYYCS2U="
 
-
 secrets_path = __ENV__.file |> Path.dirname() |> Path.join("secrets")
 binfile = fn p ->
   __ENV__.file

lib/console/deployments/settings.ex

@@ -10,6 +10,7 @@ defmodule Console.Deployments.Settings do
 
   @agent_vsn File.read!("AGENT_VERSION") |> String.trim()
   @kube_vsn File.read!("KUBE_VERSION") |> String.trim()
+  @agent_chart Path.join(:code.priv_dir(:console), "agent-chart.tgz")
   @cache_adapter Console.conf(:cache_adapter)
   @ttl :timer.minutes(45)
 
@@ -64,6 +65,12 @@ defmodule Console.Deployments.Settings do
   @spec agent_vsn() :: binary
   def agent_vsn(), do: @agent_vsn
 
+  @doc """
+  Local file containing the valid, working agent chart tarball
+  """
+  @spec agent_chart() :: binary
+  def agent_chart(), do: @agent_chart
+
   @doc "same as fetch/0 but always reads from db"
   def fetch_consistent() do
     Console.Repo.get_by(DeploymentSettings, name: "global")

lib/console_web/controllers/git_controller.ex

@@ -23,6 +23,11 @@ defmodule ConsoleWeb.GitController do
     end
   end
 
+  def agent_chart(conn, _) do
+    path = Console.Deployments.Settings.agent_chart()
+    chunk_send_tar(conn, File.open!(path, [:raw]))
+  end
+
   def stack_tarball(conn, %{"id" => run_id}) do
     with %Cluster{} = cluster <- ConsoleWeb.Plugs.Token.get_cluster(conn),
          {:ok, run} <- Stacks.authorized(run_id, cluster),

lib/console_web/router.ex

@@ -25,6 +25,7 @@ defmodule ConsoleWeb.Router do
       pipe_through [:api]
 
       scope "/v1", ConsoleWeb do
+        get "/agent/chart", GitController, :agent_chart
         post "/webhooks/observability/:type/:id", WebhookController, :observability
         post "/webhooks/:type/:id", WebhookController, :scm
 

lib/mix/tasks/agent.chart.ex

@@ -0,0 +1,21 @@
+defmodule Mix.Tasks.Agent.Chart do
+  use Mix.Task
+  alias Console.Deployments.Settings
+
+  @deps ~w(logger req)a
+
+  def run(_) do
+    Enum.each(@deps, &Application.ensure_all_started/1)
+    Logger.configure(level: :error)
+
+    file = Settings.agent_chart()
+
+    Settings.agent_vsn()
+    |> String.trim_leading("v")
+    |> agent_chart_url()
+    |> Req.get!(into: File.stream!(file))
+  end
+
+  defp agent_chart_url(vsn),
+    do: "https://github.com/pluralsh/deployment-operator/releases/download/agent-v#{vsn}/deployment-operator-#{vsn}.tgz"
+end

mix.exs

@@ -184,7 +184,7 @@ defmodule Console.MixProject do
     [
       "ecto.setup": ["ecto.create", "ecto.migrate", "run priv/repo/seeds.exs"],
       "ecto.reset": ["ecto.drop", "ecto.setup"],
-      test: ["ecto.create --quiet", "ecto.migrate", "elasticsearch.down", "elasticsearch.up", "test"]
+      test: ["ecto.create --quiet", "agent.chart", "ecto.migrate", "elasticsearch.down", "elasticsearch.up", "test"]
     ]
   end
 end

test/console_web/controllers/git_controller_test.exs

@@ -1,6 +1,14 @@
 defmodule ConsoleWeb.GitControllerTest do
   use ConsoleWeb.ConnCase, async: false
 
+  describe "agent_chart/2" do
+    test "it can download the current valid agent chart", %{conn: conn} do
+      conn
+      |> get("/ext/v1/agent/chart")
+      |> response(200)
+    end
+  end
+
   describe "#tarball/2" do
     test "it will download git content for valid deploy tokens", %{conn: conn} do
       git = insert(:git_repository, url: "https://github.com/pluralsh/console.git")