Support terraform config generation from agent template (#241)

Author: zzaakiirr

lib/core/terraform_config/agent.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+module TerraformConfig
+  class Agent < Base
+    attr_reader :name, :description, :tags
+
+    def initialize(name:, description: nil, tags: nil)
+      super()
+
+      @name = name
+      @description = description
+      @tags = tags
+    end
+
+    def to_tf
+      block :resource, :cpln_agent, name do
+        argument :name, name
+        argument :description, description, optional: true
+        argument :tags, tags, optional: true
+      end
+    end
+  end
+end

lib/core/terraform_config/generator.rb

@@ -2,7 +2,7 @@
 
 module TerraformConfig
   class Generator # rubocop:disable Metrics/ClassLength
-    SUPPORTED_TEMPLATE_KINDS = %w[gvc secret identity policy volumeset workload auditctx].freeze
+    SUPPORTED_TEMPLATE_KINDS = %w[gvc secret identity policy volumeset workload auditctx agent].freeze
     WORKLOAD_SPEC_KEYS = %i[
       type
       containers
@@ -113,6 +113,10 @@ def auditctx_config_params
       template.slice(:name, :description, :tags)
     end
 
+    def agent_config_params
+      template.slice(:name, :description, :tags)
+    end
+
     def workload_config_params
       template
         .slice(:name, :description, :tags)

spec/command/terraform/generate_spec.rb

@@ -24,6 +24,7 @@
   maintenance_envs
   maintenance-with-external-image
   audit_contexts
+  agents
 ].freeze
 
 describe Command::Terraform::Generate do

spec/core/terraform_config/agent_spec.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+describe TerraformConfig::Agent do
+  let(:config) { described_class.new(**options) }
+
+  describe "#to_tf" do
+    subject(:generated) { config.to_tf }
+
+    let(:options) do
+      {
+        name: "agent-name",
+        description: "agent description",
+        tags: { "tag1" => "true", "tag2" => "value" }
+      }
+    end
+
+    it "generates correct config" do
+      expect(generated).to eq(
+        <<~EXPECTED
+          resource "cpln_agent" "agent-name" {
+            name = "agent-name"
+            description = "agent description"
+            tags = {
+              tag1 = "true"
+              tag2 = "value"
+            }
+          }
+        EXPECTED
+      )
+    end
+  end
+end

spec/core/terraform_config/generator_spec.rb

@@ -559,4 +559,32 @@
       expect(main_tf_config.job).to be_nil
     end
   end
+
+  context "when template's kind is agent" do
+    let(:template) do
+      {
+        "kind" => "agent",
+        "name" => "agent-name",
+        "description" => "agent description",
+        "tags" => { "tag1" => "tag1_value", "tag2" => "tag2_value" }
+      }
+    end
+
+    it "generates correct terraform config and filename for it", :aggregate_failures do
+      expected_filename = "agents.tf"
+
+      tf_configs = generator.tf_configs
+      expect(tf_configs.count).to eq(1)
+
+      filenames = tf_configs.keys
+      expect(filenames).to contain_exactly(expected_filename)
+
+      tf_config = tf_configs[expected_filename]
+      expect(tf_config).to be_an_instance_of(TerraformConfig::Agent)
+
+      expect(tf_config.name).to eq("agent-name")
+      expect(tf_config.description).to eq("agent description")
+      expect(tf_config.tags).to eq(tag1: "tag1_value", tag2: "tag2_value")
+    end
+  end
 end

spec/dummy/.controlplane/templates/agent.yml

@@ -0,0 +1,5 @@
+kind: agent
+name: agent-name
+description: agent description
+tags:
+  tag1: value1