Refactor

src/context.ts

@@ -0,0 +1,17 @@
+import * as core from '@actions/core';
+
+export interface Inputs {
+  registry: string;
+  username: string;
+  password: string;
+  logout: string;
+}
+
+export async function getInputs(): Promise<Inputs> {
+  return {
+    registry: core.getInput('registry'),
+    username: core.getInput('username'),
+    password: core.getInput('password', {required: true}),
+    logout: core.getInput('logout')
+  };
+}

src/docker.ts

@@ -0,0 +1,61 @@
+import * as exec from '@actions/exec';
+import * as core from '@actions/core';
+import * as ecr from './ecr';
+import * as execm from './exec';
+
+export async function login(registry: string, username: string, password: string): Promise<void> {
+  if (await ecr.isECR(registry)) {
+    await loginECR(registry, username, password);
+  } else {
+    await loginStandard(registry, username, password);
+  }
+}
+
+export async function logout(registry: string): Promise<void> {
+  await execm.exec('docker', ['logout', registry], false).then(res => {
+    if (res.stderr != '' && !res.success) {
+      core.warning(res.stderr);
+    }
+  });
+}
+
+export async function loginStandard(registry: string, username: string, password: string): Promise<void> {
+  let loginArgs: Array<string> = ['login', '--password', password];
+  if (username) {
+    loginArgs.push('--username', username);
+  }
+  loginArgs.push(registry);
+
+  if (registry) {
+    core.info(`🔑 Logging into ${registry}...`);
+  } else {
+    core.info(`🔑 Logging into DockerHub...`);
+  }
+  await execm.exec('docker', loginArgs, true).then(res => {
+    if (res.stderr != '' && !res.success) {
+      throw new Error(res.stderr);
+    }
+    core.info('🎉 Login Succeeded!');
+  });
+}
+
+export async function loginECR(registry: string, username: string, password: string): Promise<void> {
+  await exec.exec('aws', ['--version']);
+  const ecrRegion = await ecr.getRegion(registry);
+  process.env.AWS_ACCESS_KEY_ID = username;
+  process.env.AWS_SECRET_ACCESS_KEY = password;
+
+  core.info(`⬇️ Retrieving docker login command for ECR region ${ecrRegion}...`);
+  await execm.exec('aws', ['ecr', 'get-login', '--region', ecrRegion, '--no-include-email'], true).then(res => {
+    if (res.stderr != '' && !res.success) {
+      throw new Error(res.stderr);
+    }
+    core.info(`🔑 Logging into ${registry}...`);
+    execm.exec(res.stdout, [], true).then(res => {
+      if (res.stderr != '' && !res.success) {
+        throw new Error(res.stderr);
+      }
+      core.info('🎉 Login Succeeded!');
+    });
+  });
+}