Handle Amazon ECR registries associated with other accounts

README.md

@@ -227,7 +227,7 @@ jobs:
 
 ### AWS Elastic Container Registry (ECR)
 
-Use an IAM user with the [ability to push to ECR](https://docs.aws.amazon.com/AmazonECR/latest/userguide/ecr_managed_policies.html).
+Use an IAM user with the ability to [push to ECR with `AmazonEC2ContainerRegistryPowerUser` managed policy for example](https://docs.aws.amazon.com/AmazonECR/latest/userguide/ecr_managed_policies.html#AmazonEC2ContainerRegistryPowerUser).
 Then create and download access keys and save `AWS_ACCESS_KEY_ID` and `AWS_SECRET_ACCESS_KEY` [as secrets](https://docs.github.com/en/actions/configuring-and-managing-workflows/creating-and-storing-encrypted-secrets#creating-encrypted-secrets-for-a-repository)
 in your GitHub repo.
 
@@ -251,6 +251,33 @@ jobs:
           password: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
 ```
 
+If you need to log in to Amazon ECR registries associated with other accounts, you can use the `AWS_ACCOUNT_IDS`
+environment variable:
+
+```yaml
+name: ci
+
+on:
+  push:
+    branches: master
+
+jobs:
+  login:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Login to ECR
+        uses: docker/login-action@v1
+        with:
+          registry: <aws-account-number>.dkr.ecr.<region>.amazonaws.com
+          username: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          password: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+        env:
+          AWS_ACCOUNT_IDS: 012345678910,023456789012
+```
+
+> Only available with [AWS CLI version 1](https://docs.aws.amazon.com/cli/latest/reference/ecr/get-login.html)
+
 You can also use the [Configure AWS Credentials](https://github.com/aws-actions/configure-aws-credentials) action in
 combination with this action:
 
@@ -283,7 +310,7 @@ jobs:
 
 ### AWS Public Elastic Container Registry (ECR)
 
-Use an IAM user with the [ability to push to ECR](https://docs.aws.amazon.com/AmazonECR/latest/userguide/ecr_managed_policies.html).
+Use an IAM user with the ability to [push to ECR Public with `AmazonElasticContainerRegistryPublicPowerUser` managed policy for example](https://docs.aws.amazon.com/AmazonECR/latest/public/public-ecr-managed-policies.html#AmazonElasticContainerRegistryPublicPowerUser).
 Then create and download access keys and save `AWS_ACCESS_KEY_ID` and `AWS_SECRET_ACCESS_KEY` [as secrets](https://docs.github.com/en/actions/configuring-and-managing-workflows/creating-and-storing-encrypted-secrets#creating-encrypted-secrets-for-a-repository)
 in your GitHub repo.
 
@@ -311,41 +338,15 @@ jobs:
 
 > Replace `<region>` with its respective value (default `us-east-1`).
 
-You can also use the [Configure AWS Credentials](https://github.com/aws-actions/configure-aws-credentials) action in
-combination with this action:
-
-```yaml
-name: ci
-
-on:
-  push:
-    branches: master
-
-jobs:
-  login:
-    runs-on: ubuntu-latest
-    steps:
-      -
-        name: Configure AWS Credentials
-        uses: aws-actions/configure-aws-credentials@v1
-        with:
-          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          aws-region: <region>
-      -
-        name: Login to Public ECR
-        uses: docker/login-action@v1
-        with:
-          registry: public.ecr.aws
-```
-
-> Replace `<region>` with its respective value.
-
 ### OCI Oracle Cloud Infrastructure Registry (OCIR)
+
 To push into OCIR in specific tenancy the [username](https://www.oracle.com/webfolder/technetwork/tutorials/obe/oci/registry/index.html#LogintoOracleCloudInfrastructureRegistryfromtheDockerCLI)
-must be placed in format `<tenancy>/<username>` (in case of federated tenancy use the format `<tenancy-namespace>/oracleidentitycloudservice/<username>`). 
-For password [create an auth token](https://www.oracle.com/webfolder/technetwork/tutorials/obe/oci/registry/index.html#GetanAuthToken). Save username and token
- [as a secrets](https://docs.github.com/en/actions/configuring-and-managing-workflows/creating-and-storing-encrypted-secrets#creating-encrypted-secrets-for-a-repository) in your GitHub repo. 
+must be placed in format `<tenancy>/<username>` (in case of federated tenancy use the format
+`<tenancy-namespace>/oracleidentitycloudservice/<username>`).
+
+For password [create an auth token](https://www.oracle.com/webfolder/technetwork/tutorials/obe/oci/registry/index.html#GetanAuthToken).
+Save username and token [as a secrets](https://docs.github.com/en/actions/configuring-and-managing-workflows/creating-and-storing-encrypted-secrets#creating-encrypted-secrets-for-a-repository)
+in your GitHub repo. 
 
 ```yaml
 name: ci
@@ -366,6 +367,7 @@ jobs:
           username: ${{ secrets.OCI_USERNAME }}
           password: ${{ secrets.OCI_TOKEN }}
 ```
+
 > Replace `<region>` with their respective values from [availability regions](https://docs.cloud.oracle.com/iaas/Content/Registry/Concepts/registryprerequisites.htm#Availab)
 
 ## Customizing

__tests__/aws.test.ts

@@ -6,6 +6,8 @@ describe('isECR', () => {
     ['registry.gitlab.com', false],
     ['gcr.io', false],
     ['012345678901.dkr.ecr.eu-west-3.amazonaws.com', true],
+    ['876820548815.dkr.ecr.cn-north-1.amazonaws.com.cn', true],
+    ['390948362332.dkr.ecr.cn-northwest-1.amazonaws.com.cn', true],
     ['public.ecr.aws', true]
   ])('given registry %p', async (registry, expected) => {
     expect(await aws.isECR(registry)).toEqual(expected);
@@ -17,6 +19,8 @@ describe('isPubECR', () => {
     ['registry.gitlab.com', false],
     ['gcr.io', false],
     ['012345678901.dkr.ecr.eu-west-3.amazonaws.com', false],
+    ['876820548815.dkr.ecr.cn-north-1.amazonaws.com.cn', false],
+    ['390948362332.dkr.ecr.cn-northwest-1.amazonaws.com.cn', false],
     ['public.ecr.aws', true]
   ])('given registry %p', async (registry, expected) => {
     expect(await aws.isPubECR(registry)).toEqual(expected);
@@ -59,8 +63,37 @@ describe('parseCLIVersion', () => {
 describe('getRegion', () => {
   test.each([
     ['012345678901.dkr.ecr.eu-west-3.amazonaws.com', 'eu-west-3'],
+    ['876820548815.dkr.ecr.cn-north-1.amazonaws.com.cn', 'cn-north-1'],
+    ['390948362332.dkr.ecr.cn-northwest-1.amazonaws.com.cn', 'cn-northwest-1'],
     ['public.ecr.aws', 'us-east-1']
   ])('given registry %p', async (registry, expected) => {
     expect(await aws.getRegion(registry)).toEqual(expected);
   });
 });
+
+describe('getAccountIDs', () => {
+  test.each([
+    ['012345678901.dkr.ecr.eu-west-3.amazonaws.com', undefined, ['012345678901']],
+    [
+      '012345678901.dkr.ecr.eu-west-3.amazonaws.com',
+      '012345678910,023456789012',
+      ['012345678901', '012345678910', '023456789012']
+    ],
+    [
+      '012345678901.dkr.ecr.eu-west-3.amazonaws.com',
+      '012345678901,012345678910,023456789012',
+      ['012345678901', '012345678910', '023456789012']
+    ],
+    [
+      '390948362332.dkr.ecr.cn-northwest-1.amazonaws.com.cn',
+      '012345678910,023456789012',
+      ['390948362332', '012345678910', '023456789012']
+    ],
+    ['public.ecr.aws', undefined, []]
+  ])('given registry %p', async (registry, accountIDsEnv, expected) => {
+    if (accountIDsEnv) {
+      process.env.AWS_ACCOUNT_IDS = accountIDsEnv;
+    }
+    expect(await aws.getAccountIDs(registry)).toEqual(expected);
+  });
+});

src/aws.ts

@@ -2,19 +2,40 @@ import * as semver from 'semver';
 import * as io from '@actions/io';
 import * as execm from './exec';
 
-export const isECR = async (registry: string): Promise<boolean> => {
-  return registry.includes('amazonaws') || (await isPubECR(registry));
+const ecrRegistryRegex = /^(([0-9]{12})\.dkr\.ecr\.(.+)\.amazonaws\.com(.cn)?)(\/([^:]+)(:.+)?)?$/;
+
+export const isECR = (registry: string): boolean => {
+  return ecrRegistryRegex.test(registry) || isPubECR(registry);
 };
 
-export const isPubECR = async (registry: string): Promise<boolean> => {
+export const isPubECR = (registry: string): boolean => {
   return registry === 'public.ecr.aws';
 };
 
-export const getRegion = async (registry: string): Promise<string> => {
-  if (await isPubECR(registry)) {
+export const getRegion = (registry: string): string => {
+  if (isPubECR(registry)) {
     return process.env.AWS_REGION || process.env.AWS_DEFAULT_REGION || 'us-east-1';
   }
-  return registry.substring(registry.indexOf('ecr.') + 4, registry.indexOf('.amazonaws'));
+  const matches = registry.match(ecrRegistryRegex);
+  if (!matches) {
+    return '';
+  }
+  return matches[3];
+};
+
+export const getAccountIDs = (registry: string): string[] => {
+  if (isPubECR(registry)) {
+    return [];
+  }
+  const matches = registry.match(ecrRegistryRegex);
+  if (!matches) {
+    return [];
+  }
+  let accountIDs: Array<string> = [matches[2]];
+  if (process.env.AWS_ACCOUNT_IDS) {
+    accountIDs.push(...process.env.AWS_ACCOUNT_IDS.split(','));
+  }
+  return accountIDs.filter((item, index) => accountIDs.indexOf(item) === index);
 };
 
 export const getCLI = async (): Promise<string> => {
@@ -45,15 +66,28 @@ export const parseCLIVersion = async (stdout: string): Promise<string> => {
   return semver.clean(matches[1]);
 };
 
-export const getDockerLoginCmd = async (cliVersion: string, registry: string, region: string): Promise<string> => {
+export const getDockerLoginCmds = async (
+  cliVersion: string,
+  registry: string,
+  region: string,
+  accountIDs: string[]
+): Promise<string[]> => {
   let ecrCmd = (await isPubECR(registry)) ? 'ecr-public' : 'ecr';
   if (semver.satisfies(cliVersion, '>=2.0.0')) {
     return execCLI([ecrCmd, 'get-login-password', '--region', region]).then(pwd => {
-      return `docker login --username AWS --password ${pwd} ${registry}`;
+      return [`docker login --username AWS --password ${pwd} ${registry}`];
     });
   } else {
-    return execCLI([ecrCmd, 'get-login', '--region', region, '--no-include-email']).then(dockerLoginCmd => {
-      return dockerLoginCmd;
+    return execCLI([
+      ecrCmd,
+      'get-login',
+      '--region',
+      region,
+      '--registry-ids',
+      accountIDs.join(' '),
+      '--no-include-email'
+    ]).then(dockerLoginCmds => {
+      return dockerLoginCmds.trim().split(`\n`);
     });
   }
 };

src/docker.ts

@@ -44,6 +44,7 @@ export async function loginECR(registry: string, username: string, password: str
   const cliPath = await aws.getCLI();
   const cliVersion = await aws.getCLIVersion();
   const region = await aws.getRegion(registry);
+  const accountIDs = await aws.getAccountIDs(registry);
 
   if (await aws.isPubECR(registry)) {
     core.info(`💡 AWS Public ECR detected with ${region} region`);
@@ -55,13 +56,19 @@ export async function loginECR(registry: string, username: string, password: str
   process.env.AWS_SECRET_ACCESS_KEY = password || process.env.AWS_SECRET_ACCESS_KEY;
 
   core.info(`⬇️ Retrieving docker login command through AWS CLI ${cliVersion} (${cliPath})...`);
-  const loginCmd = await aws.getDockerLoginCmd(cliVersion, registry, region);
+  const loginCmds = await aws.getDockerLoginCmds(cliVersion, registry, region, accountIDs);
 
   core.info(`🔑 Logging into ${registry}...`);
-  execm.exec(loginCmd, [], true).then(res => {
-    if (res.stderr != '' && !res.success) {
-      throw new Error(res.stderr);
-    }
-    core.info('🎉 Login Succeeded!');
+  loginCmds.forEach((loginCmd, index) => {
+    execm.exec(loginCmd, [], true).then(res => {
+      if (res.stderr != '' && !res.success) {
+        throw new Error(res.stderr);
+      }
+      if (loginCmds.length > 1) {
+        core.info(`🎉 Login Succeeded! (${index}/${loginCmds.length})`);
+      } else {
+        core.info('🎉 Login Succeeded!');
+      }
+    });
   });
 }