Merge 4aa90a0 into 27dcd1b

.gitignore

@@ -69,3 +69,4 @@ dist
 
 # output terraform config files
 backend.tf
+provider.tf

src/createAwsProvider.ts

@@ -0,0 +1,45 @@
+import { promisify } from "util";
+import fs from "fs";
+
+interface IProvider {
+  version: string;
+  region: string;
+  profile: string;
+  alias?: string;
+}
+
+interface ICreateAwsProviderParams {
+  outputPath: string;
+  awsProviderParams: IProvider[];
+}
+
+const createProvider = (provider: IProvider): string => {
+  return `provider "aws" {
+  version = "${provider.version}"
+  region  = "${provider.region}"
+  profile = "${provider.profile}"
+}`;
+};
+
+const createProviderWithAlias = (provider: IProvider): string => {
+  return `provider "aws" {
+  version = "${provider.version}"
+  region  = "${provider.region}"
+  profile = "${provider.profile}"
+  alias   = "${provider.alias}"
+}`;
+};
+
+export const createAwsProvider = async (params: ICreateAwsProviderParams) => {
+  const writeFile = promisify(fs.writeFile);
+  let outputString = "";
+
+  params.awsProviderParams.map((provider: IProvider) => {
+    outputString +=
+      provider.alias === undefined
+        ? `${createProvider(provider)}\n\n`
+        : `${createProviderWithAlias(provider)}\n\n`;
+  });
+
+  await writeFile(`${params.outputPath}provider.tf`, outputString);
+};

src/index.ts

@@ -1 +1,2 @@
 export * from "./createS3Backend";
+export * from "./createAwsProvider";

test/integration/createAwsProvider.spec.ts

@@ -0,0 +1,42 @@
+import { createAwsProvider } from "../../src/index";
+import fs from "fs";
+
+describe("createAwsProvider.integrationTest", () => {
+  it("should be able to create a provider.tf", async () => {
+    const params = {
+      outputPath: "./",
+      awsProviderParams: [
+        {
+          version: "=1.54.0",
+          region: "ap-northeast-1",
+          profile: "nekochans-dev"
+        },
+        {
+          version: "=1.54.0",
+          region: "us-east-1",
+          profile: "nekochans-dev",
+          alias: "us_east_1"
+        }
+      ]
+    };
+
+    const expected = `provider "aws" {
+  version = "=1.54.0"
+  region  = "ap-northeast-1"
+  profile = "nekochans-dev"
+}
+
+provider "aws" {
+  version = "=1.54.0"
+  region  = "us-east-1"
+  profile = "nekochans-dev"
+  alias   = "us_east_1"
+}\n\n`;
+
+    await createAwsProvider(params);
+
+    const resultString = fs.readFileSync("./provider.tf").toString();
+
+    expect(resultString).toEqual(expected);
+  });
+});