Feature 57 (config and provisioning): modules declare config and provisions, their files rendered from templates; synced with main (issues of feature 57, 874)

2026-10-16 07:37:43 +00:00
parent 1a2c917abf
commit 9652b2d5ce
771 changed files with 52063 additions and 1774 deletions
@@ -0,0 +1,43 @@
+{:ok, _} = Application.ensure_all_started(:supavisor)
+
+# Written by the mesh (modules/supabase). Per-machine values come from settings.json (the module's
+# one merge:json file); secrets come from the environment the image reads.
+settings = "/etc/pooler/settings.json" |> File.read!() |> Jason.decode!() |> Map.get("pooler", %{})
+
+{:ok, version} =
+  case Supavisor.Repo.query!("select version()") do
+    %{rows: [[ver]]} -> Supavisor.Helpers.parse_pg_version(ver)
+    _ -> nil
+  end
+
+params = %{
+  "external_id" => to_string(settings["tenant"] || "default"),
+  "db_host" => "supabase-db",
+  "db_port" => System.get_env("POSTGRES_PORT"),
+  "db_database" => System.get_env("POSTGRES_DB"),
+  "require_user" => false,
+  "auth_query" => "SELECT * FROM pgbouncer.get_auth($1)",
+  "default_max_clients" => settings["max-client-connections"] || 100,
+  "default_pool_size" => settings["pool-size"] || 20,
+  "default_parameter_status" => %{"server_version" => version},
+  "users" => [%{
+    "db_user" => "pgbouncer",
+    "db_password" => System.get_env("POSTGRES_PASSWORD"),
+    "mode_type" => System.get_env("POOLER_POOL_MODE"),
+    "pool_size" => settings["pool-size"] || 20,
+    "is_manager" => true
+  }]
+}
+
+case Supavisor.Tenants.get_tenant_by_external_id(params["external_id"]) do
+  nil ->
+    {:ok, _} = Supavisor.Tenants.create_tenant(params)
+
+  # A tenant made elsewhere (HAL named the database host "db") is pointed at this module's
+  # database container; nothing else it holds is changed.
+  %{db_host: host} = tenant when host != "supabase-db" ->
+    {:ok, _} = Supavisor.Tenants.update_tenant(tenant, %{"db_host" => "supabase-db"})
+
+  _ ->
+    :ok
+end