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Move remaining credentials module to shared library
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11 changes: 7 additions & 4 deletions
11
...ials/instancecreds/instancecreds_linux.go → ...ials/instancecreds/instancecreds_linux.go
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11 changes: 7 additions & 4 deletions
11
...ls/instancecreds/instancecreds_windows.go → ...ls/instancecreds/instancecreds_windows.go
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9 changes: 5 additions & 4 deletions
9
...s/rotating_shared_credentials_provider.go → ...s/rotating_shared_credentials_provider.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| // Copyright Amazon.com Inc. or its affiliates. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"). You may | ||
| // not use this file except in compliance with the License. A copy of the | ||
| // License is located at | ||
| // | ||
| // http://aws.amazon.com/apache2.0/ | ||
| // | ||
| // or in the "license" file accompanying this file. This file is distributed | ||
| // on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | ||
| // express or implied. See the License for the specific language governing | ||
| // permissions and limitations under the License. | ||
|
|
||
| package instancecreds | ||
|
|
||
| import ( | ||
| "sync" | ||
|
|
||
| "github.com/aws/aws-sdk-go/aws/credentials" | ||
| ) | ||
|
|
||
| var ( | ||
| credentialChain *credentials.Credentials | ||
| mu sync.Mutex | ||
| ) |
55 changes: 55 additions & 0 deletions
55
ecs-agent/credentials/instancecreds/instancecreds_linux.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| //go:build linux | ||
|
|
||
| // Copyright Amazon.com Inc. or its affiliates. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"). You may | ||
| // not use this file except in compliance with the License. A copy of the | ||
| // License is located at | ||
| // | ||
| // http://aws.amazon.com/apache2.0/ | ||
| // | ||
| // or in the "license" file accompanying this file. This file is distributed | ||
| // on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | ||
| // express or implied. See the License for the specific language governing | ||
| // permissions and limitations under the License. | ||
|
|
||
| package instancecreds | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/aws/amazon-ecs-agent/ecs-agent/credentials/providers" | ||
| "github.com/aws/amazon-ecs-agent/ecs-agent/logger" | ||
|
|
||
| "github.com/aws/aws-sdk-go/aws/credentials" | ||
| "github.com/aws/aws-sdk-go/aws/defaults" | ||
| ) | ||
|
|
||
| // GetCredentials returns the instance credentials chain. This is the default chain | ||
| // credentials plus the "rotating shared credentials provider", so credentials will | ||
| // be checked in this order: | ||
| // 1. Env vars (AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY). | ||
| // 2. Shared credentials file (https://docs.aws.amazon.com/ses/latest/DeveloperGuide/create-shared-credentials-file.html) (file at ~/.aws/credentials containing access key id and secret access key). | ||
| // 3. EC2 role credentials. This is an IAM role that the user specifies when they launch their EC2 container instance (ie ecsInstanceRole (https://docs.aws.amazon.com/AmazonECS/latest/developerguide/instance_IAM_role.html)). | ||
| // 4. Rotating shared credentials file located at /rotatingcreds/credentials | ||
| func GetCredentials(isExternal bool) *credentials.Credentials { | ||
| mu.Lock() | ||
| if credentialChain == nil { | ||
| credProviders := defaults.CredProviders(defaults.Config(), defaults.Handlers()) | ||
| credProviders = append(credProviders, providers.NewRotatingSharedCredentialsProvider()) | ||
| credentialChain = credentials.NewCredentials(&credentials.ChainProvider{ | ||
| VerboseErrors: false, | ||
| Providers: credProviders, | ||
| }) | ||
| } | ||
| mu.Unlock() | ||
|
|
||
| // credentials.Credentials is concurrency-safe, so lock not needed here | ||
| v, err := credentialChain.Get() | ||
| if err != nil { | ||
| logger.Error(fmt.Sprintf("Error getting ECS instance credentials from default chain: %s", err)) | ||
| } else { | ||
| logger.Info(fmt.Sprintf("Successfully got ECS instance credentials from provider: %s", v.ProviderName)) | ||
| } | ||
| return credentialChain | ||
| } |
File renamed without changes.
32 changes: 32 additions & 0 deletions
32
ecs-agent/credentials/instancecreds/instancecreds_unsupported.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| //go:build !linux && !windows | ||
| // +build !linux,!windows | ||
|
|
||
| // Copyright Amazon.com Inc. or its affiliates. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"). You may | ||
| // not use this file except in compliance with the License. A copy of the | ||
| // License is located at | ||
| // | ||
| // http://aws.amazon.com/apache2.0/ | ||
| // | ||
| // or in the "license" file accompanying this file. This file is distributed | ||
| // on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | ||
| // express or implied. See the License for the specific language governing | ||
| // permissions and limitations under the License. | ||
|
|
||
| package instancecreds | ||
|
|
||
| import ( | ||
| "github.com/aws/aws-sdk-go/aws/credentials" | ||
| ) | ||
|
|
||
| // GetCredentials returns the instance credentials chain. This is the default chain | ||
| // credentials plus the "rotating shared credentials provider", so credentials will | ||
| // be checked in this order: | ||
| // 1. Env vars (AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY). | ||
| // 2. Shared credentials file (https://docs.aws.amazon.com/ses/latest/DeveloperGuide/create-shared-credentials-file.html) (file at ~/.aws/credentials containing access key id and secret access key). | ||
| // 3. EC2 role credentials. This is an IAM role that the user specifies when they launch their EC2 container instance (ie ecsInstanceRole (https://docs.aws.amazon.com/AmazonECS/latest/developerguide/instance_IAM_role.html)). | ||
| // 4. Rotating shared credentials file located at /rotatingcreds/credentials | ||
| func GetCredentials(isExternal bool) *credentials.Credentials { | ||
| return nil | ||
| } |
72 changes: 72 additions & 0 deletions
72
ecs-agent/credentials/instancecreds/instancecreds_windows.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| //go:build windows | ||
|
|
||
| // Copyright Amazon.com Inc. or its affiliates. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"). You may | ||
| // not use this file except in compliance with the License. A copy of the | ||
| // License is located at | ||
| // | ||
| // http://aws.amazon.com/apache2.0/ | ||
| // | ||
| // or in the "license" file accompanying this file. This file is distributed | ||
| // on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | ||
| // express or implied. See the License for the specific language governing | ||
| // permissions and limitations under the License. | ||
|
|
||
| package instancecreds | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/aws/amazon-ecs-agent/ecs-agent/credentials/providers" | ||
| "github.com/aws/amazon-ecs-agent/ecs-agent/logger" | ||
|
|
||
| "github.com/aws/aws-sdk-go/aws/credentials" | ||
| "github.com/aws/aws-sdk-go/aws/defaults" | ||
| ) | ||
|
|
||
| // GetCredentials returns the instance credentials chain. This is the default chain | ||
| // credentials plus the "rotating shared credentials provider", so credentials will | ||
| // be checked in this order: | ||
| // | ||
| // 1. Env vars (AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY). | ||
| // | ||
| // 2. Shared credentials file (https://docs.aws.amazon.com/ses/latest/DeveloperGuide/create-shared-credentials-file.html) (file at ~/.aws/credentials containing access key id and secret access key). | ||
| // | ||
| // 3. EC2 role credentials. This is an IAM role that the user specifies when they launch their EC2 container instance (ie ecsInstanceRole (https://docs.aws.amazon.com/AmazonECS/latest/developerguide/instance_IAM_role.html)). | ||
| // | ||
| // 4. Rotating shared credentials file located at /rotatingcreds/credentials | ||
| // | ||
| // The default credential chain provided by the SDK includes: | ||
| // * EnvProvider | ||
| // * SharedCredentialsProvider | ||
| // * RemoteCredProvider (EC2RoleProvider) | ||
| // | ||
| // In the case of ECS-A on Windows, the `SharedCredentialsProvider` takes | ||
| // precedence over the `RotatingSharedCredentialsProvider` and this results | ||
| // in the credentials not being refreshed. To mitigate this issue, we will | ||
| // reorder the credential chain and ensure that `RotatingSharedCredentialsProvider` | ||
| // takes precedence over the `SharedCredentialsProvider` for ECS-A. | ||
| func GetCredentials(isExternal bool) *credentials.Credentials { | ||
| mu.Lock() | ||
| credProviders := defaults.CredProviders(defaults.Config(), defaults.Handlers()) | ||
| if isExternal { | ||
| credProviders = append(credProviders[:1], append([]credentials.Provider{providers.NewRotatingSharedCredentialsProvider()}, credProviders[1:]...)...) | ||
| } else { | ||
| credProviders = append(credProviders, providers.NewRotatingSharedCredentialsProvider()) | ||
| } | ||
| credentialChain = credentials.NewCredentials(&credentials.ChainProvider{ | ||
| VerboseErrors: false, | ||
| Providers: credProviders, | ||
| }) | ||
| mu.Unlock() | ||
|
|
||
| // credentials.Credentials is concurrency-safe, so lock not needed here | ||
| v, err := credentialChain.Get() | ||
| if err != nil { | ||
| logger.Error(fmt.Sprintf("Error getting ECS instance credentials from default chain: %s", err)) | ||
| } else { | ||
| logger.Info(fmt.Sprintf("Successfully got ECS instance credentials from provider: %s", v.ProviderName)) | ||
| } | ||
| return credentialChain | ||
| } |
22 changes: 22 additions & 0 deletions
22
ecs-agent/credentials/providers/credentials_filename_linux.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| //go:build linux | ||
|
|
||
| // Copyright Amazon.com Inc. or its affiliates. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"). You may | ||
| // not use this file except in compliance with the License. A copy of the | ||
| // License is located at | ||
| // | ||
| // http://aws.amazon.com/apache2.0/ | ||
| // | ||
| // or in the "license" file accompanying this file. This file is distributed | ||
| // on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | ||
| // express or implied. See the License for the specific language governing | ||
| // permissions and limitations under the License. | ||
|
|
||
| package providers | ||
|
|
||
| const ( | ||
| // defaultRotatingCredentialsFilename is the default location of the credentials file | ||
| // for RotatingSharedCredentialsProvider. | ||
| defaultRotatingCredentialsFilename = "/rotatingcreds/credentials" | ||
| ) |
23 changes: 23 additions & 0 deletions
23
ecs-agent/credentials/providers/credentials_filename_unsupported.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| //go:build !linux && !windows | ||
| // +build !linux,!windows | ||
|
|
||
| // Copyright Amazon.com Inc. or its affiliates. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"). You may | ||
| // not use this file except in compliance with the License. A copy of the | ||
| // License is located at | ||
| // | ||
| // http://aws.amazon.com/apache2.0/ | ||
| // | ||
| // or in the "license" file accompanying this file. This file is distributed | ||
| // on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | ||
| // express or implied. See the License for the specific language governing | ||
| // permissions and limitations under the License. | ||
|
|
||
| package providers | ||
|
|
||
| const ( | ||
| // defaultRotatingCredentialsFilename is the default location of the credentials file | ||
| // for RotatingSharedCredentialsProvider. | ||
| defaultRotatingCredentialsFilename = "/unsupported/rotatingcreds/credentials" | ||
| ) |
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