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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| package registry | ||
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| // Client provides methods required to be implemented by the various target registry clients, e.g. ECR, Docker, Quay. | ||
| type Client interface { | ||
| CreateRepository(string) error | ||
| RepositoryExists() bool | ||
| CopyImage() error | ||
| PullImage() error | ||
| PutImage() error | ||
| ImageExists() bool | ||
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| // Endpoint returns the domain of the registry | ||
| Endpoint() string | ||
| Credentials() string | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| package registry | ||
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| import ( | ||
| "encoding/base64" | ||
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| "github.com/aws/aws-sdk-go/aws" | ||
| "github.com/aws/aws-sdk-go/aws/awserr" | ||
| "github.com/aws/aws-sdk-go/aws/session" | ||
| "github.com/aws/aws-sdk-go/service/ecr" | ||
| "github.com/dgraph-io/ristretto" | ||
| ) | ||
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| type ECRClient struct { | ||
| client *ecr.ECR | ||
| ecrDomain string | ||
| authToken []byte | ||
| cache *ristretto.Cache | ||
| } | ||
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| func (e *ECRClient) Credentials() string { | ||
| return string(e.authToken) | ||
| } | ||
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| func (e *ECRClient) CreateRepository(name string) error { | ||
| if _, found := e.cache.Get(name); found { | ||
| return nil | ||
| } | ||
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| _, err := e.client.CreateRepository(&ecr.CreateRepositoryInput{ | ||
| RepositoryName: aws.String(name), | ||
| }) | ||
| if err != nil { | ||
| if aerr, ok := err.(awserr.Error); ok { | ||
| switch aerr.Code() { | ||
| case ecr.ErrCodeRepositoryAlreadyExistsException: | ||
| // We ignore this case as it is valid. | ||
| default: | ||
| return err | ||
| } | ||
| } else { | ||
| // Print the error, cast err to awserr.Error to get the Code and | ||
| // Message from an error. | ||
| return err | ||
| } | ||
| } | ||
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| e.cache.Set(name, "", 1) | ||
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| return nil | ||
| } | ||
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| func (e *ECRClient) RepositoryExists() bool { | ||
| panic("implement me") | ||
| } | ||
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| func (e *ECRClient) CopyImage() error { | ||
| panic("implement me") | ||
| } | ||
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| func (e *ECRClient) PullImage() error { | ||
| panic("implement me") | ||
| } | ||
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| func (e *ECRClient) PutImage() error { | ||
| panic("implement me") | ||
| } | ||
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| func (e *ECRClient) ImageExists() bool { | ||
| panic("implement me") | ||
| } | ||
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| func (e *ECRClient) Endpoint() string { | ||
| return e.ecrDomain | ||
| } | ||
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| func NewECRClient(region string, ecrDomain string) (*ECRClient, error) { | ||
| sess := session.Must(session.NewSessionWithOptions(session.Options{ | ||
| SharedConfigState: session.SharedConfigEnable, | ||
| })) | ||
| ecrClient := ecr.New(sess, &aws.Config{Region: aws.String(region)}) | ||
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| getAuthTokenOutput, err := ecrClient.GetAuthorizationToken(&ecr.GetAuthorizationTokenInput{}) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| authToken, err := base64.StdEncoding.DecodeString(*getAuthTokenOutput.AuthorizationData[0].AuthorizationToken) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| cache, err := ristretto.NewCache(&ristretto.Config{ | ||
| NumCounters: 1e7, // number of keys to track frequency of (10M). | ||
| MaxCost: 1 << 30, // maximum cost of cache (1GB). | ||
| BufferItems: 64, // number of keys per Get buffer. | ||
| }) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| return &ECRClient{ | ||
| client: ecrClient, | ||
| ecrDomain: ecrDomain, | ||
| authToken: authToken, | ||
| cache: cache, | ||
| }, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| package registry | ||
|
|
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