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Dockerfile and some fixes for ECR #7

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Dockerfile and some fixes for ECR #7

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421018b
Add Dockerfile
tomaszkiewicz Aug 6, 2018
0f3fe0a
Change docker image to alpine to enable running in Jenkins on K8S clu…
tomaszkiewicz Aug 6, 2018
f8830ac
Set UID for user
tomaszkiewicz Aug 6, 2018
104ddc6
Parse full ECR url to support working without AWS config file
tomaszkiewicz Aug 6, 2018
16d2a6d
Fix manifest for destination repository (didn't work on ECR)
tomaszkiewicz Aug 7, 2018
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26 changes: 26 additions & 0 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
FROM golang:alpine as builder

RUN apk update \
&& apk add git curl \
&& apk add ca-certificates

RUN adduser --uid 10000 -D -g '' user

COPY . $GOPATH/src/github.com/tomaszkiewicz/docker-copy-docker-image
WORKDIR $GOPATH/src/github.com/tomaszkiewicz/docker-copy-docker-image

RUN go get -u github.com/kardianos/govendor \
&& export GO_VERSION=$(go version | cut -d' ' -f3 | grep -Eo '[0-9]+\.[0-9]+\.[0-9]+') \
&& govendor sync

RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -installsuffix cgo -ldflags="-w -s" -o /main

FROM alpine

COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=builder /etc/passwd /etc/passwd

COPY --from=builder /main /main

USER user
ENTRYPOINT ["/main"]
20 changes: 16 additions & 4 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@ import (
"io/ioutil"
"os"
"strings"
"regexp"
)

func moveLayerUsingFile(srcHub *registry.Registry, destHub *registry.Registry, srcRepo string, destRepo string, layer schema1.FSLayer, file *os.File) error {
Expand Down Expand Up @@ -119,10 +120,15 @@ func connectToRegistry(args RepositoryArguments) (*registry.Registry, error) {
username := ""
password := ""

if strings.HasPrefix(url, "ecr:") {
registryId := strings.TrimPrefix(url, "ecr:")
r, _ := regexp.Compile(`(?P<account_id>[0-9]{12})\.dkr\.ecr\.(?P<region>[\w\d-]+)\.amazonaws\.com`)
r2 := r.FindAllStringSubmatch(url, -1)

if r2 != nil {
registryId := r2[0][1]
region := r2[0][2]

sess, err := session.NewSession(&aws.Config{Region: aws.String(region)})

sess, err := session.NewSession()
if err != nil {
return nil, fmt.Errorf("Failed to create new AWS SDK session. %v", err)
}
Expand Down Expand Up @@ -231,7 +237,13 @@ func main() {
}
}

err = destHub.PutManifest(*destArgs.Repository, *destArgs.Tag, manifest)
destManifest := &schema1.SignedManifest{
Manifest: manifest.Manifest,
}

destManifest.Manifest.Name = *destArgs.Repository

err = destHub.PutManifest(*destArgs.Repository, *destArgs.Tag, destManifest)
if err != nil {
fmt.Printf("Failed to upload manifest to %s/%s:%s. %v", destHub.URL, *destArgs.Repository, *destArgs.Tag, err)
exitCode = -1
Expand Down