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feat: provide input to optionally mask output docker password
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This will allow the user to specify an optional input to mask
the Docker password from being leaked in workflow logs via either
explicitly printing or running a job in debug mode. Since many
users rely on the output, the default behaviour has been false to
ensure this is not a breaking change.

This also re-arranges the inputs throughout the code and in the GH
action spec to be in alphabetical order as a styling improvement.

Signed-off-by: danielwright@bitgo.com <danielwright@bitgo.com>
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@therealdwright
therealdwright committed Aug 3, 2023
1 parent 57f4ffc commit f01522b
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Showing 4 changed files with 103 additions and 32 deletions.
22 changes: 22 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,28 @@ Logs in the local Docker client to one or more Amazon ECR Private registries or
docker push $REGISTRY/$REPOSITORY:$IMAGE_TAG
```
#### Login to Amazon ECR Private, then build and push a Docker image masking the password:
> [!WARNING]
> Setting mask-password to true will prevent the password GitHub output from being shared between separate jobs.
```yaml
- name: Login to Amazon ECR
id: login-ecr
uses: aws-actions/amazon-ecr-login@v1
with:
mask-password: 'true'

- name: Build, tag, and push docker image to Amazon ECR
env:
REGISTRY: ${{ steps.login-ecr.outputs.registry }}
REPOSITORY: my-ecr-repo
IMAGE_TAG: ${{ github.sha }}
run: |
docker build -t $REGISTRY/$REPOSITORY:$IMAGE_TAG .
docker push $REGISTRY/$REPOSITORY:$IMAGE_TAG
```
#### Login to Amazon ECR Public, then build and push a Docker image:
```yaml
- name: Login to Amazon ECR Public
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26 changes: 16 additions & 10 deletions action.yml
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Expand Up @@ -4,30 +4,36 @@ branding:
icon: 'cloud'
color: 'orange'
inputs:
http-proxy:
description: >-
Proxy to use for the AWS SDK agent.
required: false
mask-password:
description: >-
Mask the docker password to prevent it being printed to logs to std-out. This will prevent the
password GitHub output from being shared between separate jobs.
required: false
default: 'false'
registries:
description: >-
A comma-delimited list of AWS account IDs that are associated with the ECR Private registries.
If you do not specify a registry, the default ECR Private registry is assumed.
If 'public' is given as input to 'registry-type', this input is ignored.
required: false
skip-logout:
description: >-
Whether to skip explicit logout of the registries during post-job cleanup.
Exists for backward compatibility on self-hosted runners.
Not recommended.
Options: ['true', 'false']
required: false
default: 'false'
registry-type:
description: >-
Which ECR registry type to log into.
Options: [private, public]
required: false
default: private
http-proxy:
skip-logout:
description: >-
Proxy to use for the AWS SDK agent.
Whether to skip explicit logout of the registries during post-job cleanup.
Exists for backward compatibility on self-hosted runners.
Not recommended.
Options: ['true', 'false']
required: false
default: 'false'
outputs:
registry:
description: >-
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11 changes: 7 additions & 4 deletions index.js
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Expand Up @@ -9,10 +9,11 @@ const ECR_LOGIN_GITHUB_ACTION_USER_AGENT = 'amazon-ecr-login-for-github-actions'
const ECR_PUBLIC_REGISTRY_URI = 'public.ecr.aws';

const INPUTS = {
skipLogout: 'skip-logout',
httpProxy: 'http-proxy',
maskPassword: 'mask-password',
registries: 'registries',
registryType: 'registry-type',
httpProxy: 'http-proxy'
skipLogout: 'skip-logout'
};

const OUTPUTS = {
Expand Down Expand Up @@ -104,10 +105,11 @@ function replaceSpecialCharacters(registryUri) {

async function run() {
// Get inputs
const skipLogout = core.getInput(INPUTS.skipLogout, { required: false }).toLowerCase() === 'true';
const httpProxy = core.getInput(INPUTS.httpProxy, { required: false });
const maskPassword = core.getInput(INPUTS.maskPassword, { required: false }).toLowerCase() === 'true';
const registries = core.getInput(INPUTS.registries, { required: false });
const registryType = core.getInput(INPUTS.registryType, { required: false }).toLowerCase() || REGISTRY_TYPES.private;
const httpProxy = core.getInput(INPUTS.httpProxy, { required: false });
const skipLogout = core.getInput(INPUTS.skipLogout, { required: false }).toLowerCase() === 'true';

const registryUriState = [];

Expand Down Expand Up @@ -169,6 +171,7 @@ async function run() {

// Output docker username and password
const secretSuffix = replaceSpecialCharacters(registryUri);
if (maskPassword) core.setSecret(creds[1]);
core.setOutput(`${OUTPUTS.dockerUsername}_${secretSuffix}`, creds[0]);
core.setOutput(`${OUTPUTS.dockerPassword}_${secretSuffix}`, creds[1]);

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76 changes: 58 additions & 18 deletions index.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,17 +15,19 @@ function mockGetInput(requestResponse) {
}

const ECR_DEFAULT_INPUTS = {
'http-proxy': '',
'mask-password': '',
'registries': '',
'skip-logout': '',
'registry-type': '',
'http-proxy': ''
'skip-logout': ''
};

const ECR_PUBLIC_DEFAULT_INPUTS = {
'http-proxy': '',
'mask-password': '',
'registries': '',
'skip-logout': '',
'registry-type': 'public',
'http-proxy': ''
'skip-logout': ''
};

const defaultAuthToken = {
Expand Down Expand Up @@ -76,9 +78,10 @@ describe('Login to ECR', () => {

test('gets auth token from ECR and logins the Docker client for each provided registry', async () => {
const mockInputs = {
'mask-password': '',
'registries': '123456789012,111111111111',
'skip-logout': '',
'registry-type': ''
'registry-type': '',
'skip-logout': ''
};
core.getInput = jest.fn().mockImplementation(mockGetInput(mockInputs));
ecrMock.on(GetAuthorizationTokenCommand).resolves({
Expand Down Expand Up @@ -116,9 +119,10 @@ describe('Login to ECR', () => {

test('outputs the registry ID if a single registry is provided in the input', async () => {
const mockInputs = {
'mask-password': '',
'registries': '111111111111',
'skip-logout': '',
'registry-type': ''
'registry-type': '',
'skip-logout': ''
};
core.getInput = jest.fn().mockImplementation(mockGetInput(mockInputs));
ecrMock.on(GetAuthorizationTokenCommand).resolves({
Expand Down Expand Up @@ -160,9 +164,10 @@ describe('Login to ECR', () => {

test('logged-in registries are saved as state even if the action fails', async () => {
const mockInputs = {
'mask-password': '',
'registries': '123456789012,111111111111',
'skip-logout': '',
'registry-type': ''
'registry-type': '',
'skip-logout': ''
};
core.getInput = jest.fn().mockImplementation(mockGetInput(mockInputs));
ecrMock.on(GetAuthorizationTokenCommand).resolves({
Expand Down Expand Up @@ -261,9 +266,10 @@ describe('Login to ECR', () => {
test('skips logout when specified and logging into default registry', async () => {
ecrMock.on(GetAuthorizationTokenCommand).resolves(defaultOutputToken);
const mockInputs = {
'mask-password': '',
'registries': '',
'skip-logout': 'true',
'registry-type': ''
'registry-type': '',
'skip-logout': 'true'
};
core.getInput = jest.fn().mockImplementation(mockGetInput(mockInputs));

Expand All @@ -280,9 +286,10 @@ describe('Login to ECR', () => {

test('skips logout when specified and logging into multiple registries', async () => {
const mockInputs = {
'mask-password': '',
'registries': '123456789012,111111111111',
'skip-logout': 'true',
'registry-type': ''
'registry-type': '',
'skip-logout': 'true'
};
core.getInput = jest.fn().mockImplementation(mockGetInput(mockInputs));
ecrMock.on(GetAuthorizationTokenCommand).resolves({
Expand Down Expand Up @@ -314,9 +321,10 @@ describe('Login to ECR', () => {

test('sets the Actions outputs to the docker credentials', async () => {
const mockInputs = {
'mask-password': '',
'registries': '123456789012,111111111111',
'skip-logout': 'true',
'registry-type': ''
'registry-type': '',
'skip-logout': 'true'
};
core.getInput = jest.fn().mockImplementation(mockGetInput(mockInputs));
ecrMock.on(GetAuthorizationTokenCommand).resolves({
Expand All @@ -341,6 +349,37 @@ describe('Login to ECR', () => {
expect(core.setOutput).toHaveBeenNthCalledWith(4, 'docker_password_111111111111_dkr_ecr_aws_region_1_amazonaws_com', 'bar');
});

test('sets the Actions outputs to the docker credentials with masked password', async () => {
const mockInputs = {
'mask-password': 'true',
'registries': '123456789012,111111111111',
'registry-type': '',
'skip-logout': 'true'
};
core.getInput = jest.fn().mockImplementation(mockGetInput(mockInputs));
ecrMock.on(GetAuthorizationTokenCommand).resolves({
authorizationData: [
{
authorizationToken: Buffer.from('hello:world').toString('base64'),
proxyEndpoint: 'https://123456789012.dkr.ecr.aws-region-1.amazonaws.com'
},
{
authorizationToken: Buffer.from('foo:bar').toString('base64'),
proxyEndpoint: 'https://111111111111.dkr.ecr.aws-region-1.amazonaws.com'
}
]
});

await run();

expect(core.setOutput).toHaveBeenCalledTimes(4);
expect(core.setSecret).toHaveBeenCalledTimes(2);
expect(core.setOutput).toHaveBeenNthCalledWith(1, 'docker_username_123456789012_dkr_ecr_aws_region_1_amazonaws_com', 'hello');
expect(core.setOutput).toHaveBeenNthCalledWith(2, 'docker_password_123456789012_dkr_ecr_aws_region_1_amazonaws_com', 'world');
expect(core.setOutput).toHaveBeenNthCalledWith(3, 'docker_username_111111111111_dkr_ecr_aws_region_1_amazonaws_com', 'foo');
expect(core.setOutput).toHaveBeenNthCalledWith(4, 'docker_password_111111111111_dkr_ecr_aws_region_1_amazonaws_com', 'bar');
});

describe('proxy settings', () => {
afterEach(() => {
process.env = {};
Expand Down Expand Up @@ -392,9 +431,10 @@ describe('Login to ECR Public', () => {
describe('inputs and outputs', () => {
test('error is caught by core.setFailed for invalid registry-type input', async () => {
const mockInputs = {
'mask-password': '',
'registries': '',
'skip-logout': '',
'registry-type': 'invalid'
'registry-type': 'invalid',
'skip-logout': ''
};
core.getInput = jest.fn().mockImplementation(mockGetInput(mockInputs));
ecrPublicMock.on(GetAuthorizationTokenCommandPublic).resolves(defaultAuthToken);
Expand Down

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