diff --git a/development/image-syncer/Makefile b/development/image-syncer/Makefile new file mode 100644 index 000000000000..2bdbe0d00a3a --- /dev/null +++ b/development/image-syncer/Makefile @@ -0,0 +1,28 @@ +APP_NAME = image-syncer +IMG = $(DOCKER_PUSH_REPOSITORY)$(DOCKER_PUSH_DIRECTORY)/$(APP_NAME) +TAG = $(DOCKER_TAG) + +.PHONY: validate +validate: + ./before-commit.sh ci + +.PHONY: ci-pr +ci-pr: validate + +.PHONY: ci-master +ci-master: validate + +.PHONY: ci-release +ci-release: validate + +.PHONY: clean +clean: + rm -f $(APP_NAME) + rm -f logs-printer +.PHONY: dry-run +dry-run: + go run main.go --dry-run=true --images-file external-images.yaml --target-key-file="${GOOGLE_APPLICATION_CREDENTIALS}" + +.PHONY: run +run: + go run main.go --dry-run=false --images-file external-images.yaml --target-key-file="${GOOGLE_APPLICATION_CREDENTIALS}" diff --git a/development/image-syncer/before-commit.sh b/development/image-syncer/before-commit.sh new file mode 100755 index 000000000000..7438e29d8ce2 --- /dev/null +++ b/development/image-syncer/before-commit.sh @@ -0,0 +1,117 @@ +#!/usr/bin/env bash + +readonly CI_FLAG=ci + +RED='\033[0;31m' +GREEN='\033[0;32m' +INVERTED='\033[7m' +NC='\033[0m' # No Color + +echo -e "${INVERTED}" +echo "USER: ${USER}" +echo "PATH: ${PATH}" +echo "GOPATH: ${GOPATH}" +echo -e "${NC}" + +## +# GO MOD VERIFY +## +go mod verify +ensureResult=$? +if [ ${ensureResult} != 0 ]; then + echo -e "${RED}✗ go mod verify${NC}\n$ensureResult${NC}" + exit 1 +else + echo -e "${GREEN}√ go mod verify${NC}" +fi + +goFilesToCheck=$(find . -type f -name "*.go" | egrep -v "\/vendor\/|_*/automock/|_*/testdata/|/pkg\/|_*export_test.go") + +## +# GO BUILD +## +binaries=("image-syncer") +buildEnv="" +if [ "$1" == "$CI_FLAG" ]; then + # build binary statically + buildEnv="env CGO_ENABLED=0" +fi + +for binary in "${binaries[@]}"; do + ${buildEnv} go build -o "${binary}" . + goBuildResult=$? + if [ ${goBuildResult} != 0 ]; then + echo -e "${RED}✗ go build ${binary} ${NC}\n $goBuildResult${NC}" + exit 1 + else + echo -e "${GREEN}√ go build ${binary} ${NC}" + fi +done + +## +# GO LINT +## +go get golang.org/x/lint/golint +buildLintResult=$? +if [ ${buildLintResult} != 0 ]; then + echo -e "${RED}✗ go get golint${NC}\n$buildLintResult${NC}" + exit 1 +fi + +golintResult=$(echo "${goFilesToCheck}" | xargs -L1 "${GOPATH}"/bin/golint) + +if [ "${#golintResult}" != 0 ]; then + echo -e "${RED}✗ golint\n$golintResult${NC}" + exit 1 +else + echo -e "${GREEN}√ golint${NC}" +fi + +## +# GO IMPORTS & FMT +## +go get golang.org/x/tools/cmd/goimports +buildGoImportResult=$? +if [ ${buildGoImportResult} != 0 ]; then + echo -e "${RED}✗ go build goimports${NC}\n$buildGoImportResult${NC}" + exit 1 +fi + +goImportsResult=$(echo "${goFilesToCheck}" | xargs -L1 "${GOPATH}"/bin/goimports -w -l) + +if [ "${#goImportsResult}" != 0 ]; then + echo -e "${RED}✗ goimports and fmt ${NC}\n$goImportsResult${NC}" + exit 1 +else + echo -e "${GREEN}√ goimports and fmt ${NC}" +fi + +## +# GO VET +## +packagesToVet=("./...") + +for vPackage in "${packagesToVet[@]}"; do + vetResult=$(go vet "${vPackage}") + if [ "${#vetResult}" != 0 ]; then + echo -e "${RED}✗ go vet ${vPackage} ${NC}\n$vetResult${NC}" + exit 1 + else + echo -e "${GREEN}√ go vet ${vPackage} ${NC}" + fi +done + +## +# GO TEST +## +echo "? go test" +go test ./... +# Check if tests passed +if [ $? != 0 ]; then + echo -e "${RED}✗ go test\n${NC}" + exit 1 +else + echo -e "${GREEN}√ go test${NC}" +fi + +go mod tidy diff --git a/development/image-syncer/external-images.yaml b/development/image-syncer/external-images.yaml new file mode 100644 index 000000000000..864f30b7d2af --- /dev/null +++ b/development/image-syncer/external-images.yaml @@ -0,0 +1,5 @@ +targetRepoPrefix: "eu.gcr.io/kyma-project/external/" +images: +- source: "quay.io/prometheus/prometheus:v2.17.1" +- source: "grafana/grafana:7.0.1" +- source: "grafana/loki:v1.3.0" diff --git a/development/image-syncer/go.mod b/development/image-syncer/go.mod new file mode 100644 index 000000000000..ed0d1bd1f4db --- /dev/null +++ b/development/image-syncer/go.mod @@ -0,0 +1,30 @@ +module github.com/kyma-project/test-infra/development/image-syncer + +go 1.14 + +require ( + github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect + github.com/Microsoft/go-winio v0.4.14 // indirect + github.com/containerd/containerd v1.3.4 // indirect + github.com/docker/distribution v2.7.1+incompatible // indirect + github.com/docker/docker v17.12.0-ce-rc1.0.20200528182317-b47e74255811+incompatible + github.com/docker/go-connections v0.4.0 // indirect + github.com/docker/go-units v0.4.0 // indirect + github.com/gogo/protobuf v1.3.1 // indirect + github.com/google/go-cmp v0.3.0 // indirect + github.com/gorilla/mux v1.7.4 // indirect + github.com/jamiealquiza/envy v1.1.0 + github.com/morikuni/aec v1.0.0 // indirect + github.com/novln/docker-parser v1.0.0 + github.com/opencontainers/go-digest v1.0.0 // indirect + github.com/opencontainers/image-spec v1.0.1 // indirect + github.com/pkg/errors v0.9.1 // indirect + github.com/sirupsen/logrus v1.6.0 + github.com/spf13/cobra v1.0.0 + golang.org/x/net v0.0.0-20200528225125-3c3fba18258b // indirect + golang.org/x/text v0.3.2 // indirect + google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a // indirect + google.golang.org/grpc v1.29.1 // indirect + gopkg.in/yaml.v2 v2.3.0 + gotest.tools v2.2.0+incompatible // indirect +) diff --git a/development/image-syncer/go.sum b/development/image-syncer/go.sum new file mode 100644 index 000000000000..99677515150d --- /dev/null +++ b/development/image-syncer/go.sum @@ -0,0 +1,225 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8= +github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8= 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v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= diff --git a/development/image-syncer/main.go b/development/image-syncer/main.go new file mode 100644 index 000000000000..d303387c67d1 --- /dev/null +++ b/development/image-syncer/main.go @@ -0,0 +1,233 @@ +package main + +import ( + "context" + "encoding/base64" + "encoding/json" + "fmt" + "io" + "io/ioutil" + "os" + "os/signal" + "strings" + "syscall" + + "github.com/docker/docker/api/types" + "github.com/docker/docker/client" + "github.com/jamiealquiza/envy" + parser "github.com/novln/docker-parser" + "github.com/sirupsen/logrus" + "github.com/spf13/cobra" + "gopkg.in/yaml.v2" +) + +var ( + log = logrus.New() +) + +// SyncDef stores synchronisation definition +type SyncDef struct { + TargetRepoPrefix string `yaml:"targetRepoPrefix"` + Images []Image +} + +// Image stores image location +type Image struct { + Source string +} + +// Config stores command line arguments +type Config struct { + ImagesFile string + TargetKeyFile string + DryRun bool +} + +func getAuthString(user, password string) (string, error) { + authConfig := types.AuthConfig{ + Username: user, + Password: password, + } + encodedJSON, err := json.Marshal(authConfig) + if err != nil { + return "", err + } + return base64.URLEncoding.EncodeToString(encodedJSON), nil +} + +func getImageIDAndRepoDigest(ctx context.Context, cli *client.Client, image string) (string, string, error) { + reader, err := cli.ImagePull(ctx, image, types.ImagePullOptions{}) + if err != nil { + return "", "", fmt.Errorf("image pull failed: %w", err) + } + w := log.WriterLevel(logrus.DebugLevel) + defer w.Close() + io.Copy(w, reader) + + details, _, err := cli.ImageInspectWithRaw(ctx, image) + if err != nil { + return "", "", fmt.Errorf("image inspection failed: %w", err) + } + + ref, err := parser.Parse(image) + imageRepository := ref.Repository() + + for _, url := range details.RepoDigests { + ref, err := parser.Parse(url) + if err != nil { + return "", "", fmt.Errorf("url parsing failed: %w", err) + } + if imageRepository == ref.Repository() { + return details.ID, ref.Tag(), nil + } + } + + return "", "", fmt.Errorf("unable to find digest for '%s'", image) +} + +func safeCopyImage(ctx context.Context, cli *client.Client, authString, source, target string, dryRun bool) error { + if source == "" { + return fmt.Errorf("source image can not be empty") + } + log.Infof("Source image: %s", source) + sourceID, sourceDigest, err := getImageIDAndRepoDigest(ctx, cli, source) + if err != nil { + return err + } + log.Infof("Source ID: %s", sourceID) + log.Infof("Source repo digest: %s", sourceDigest) + + log.Infof("Target image: %s", target) + targetID, targetDigest, err := getImageIDAndRepoDigest(ctx, cli, target) + if isImageNotFoundError(err) { + log.Info("Target image does not exist") + if dryRun { + log.Info("Dry-run mode - tagging and pushing skipped") + return nil + } + if err = cli.ImageTag(ctx, source, target); err != nil { + return err + } + log.Info("Image re-tagged") + log.Info("Pushing to target repo") + reader, err := cli.ImagePush(ctx, target, types.ImagePushOptions{RegistryAuth: authString}) + if err != nil { + return err + } + w := log.WriterLevel(logrus.DebugLevel) + defer w.Close() + io.Copy(w, reader) + + log.Info("Image pushed successfully") + } else if err != nil { + return err + } else { + log.Infof("Target ID: %s", targetID) + log.Infof("Target repo digest: %s", targetDigest) + if sourceID != targetID { + return fmt.Errorf("source and target IDs are different - probably source image has been changed") + } + log.Info("Source and target IDs are the same, nothing to do") + } + + return nil +} + +//TODO: we should check for error type not match strings +func isImageNotFoundError(err error) bool { + if err == nil { + return false + } + if strings.Index(err.Error(), "not found: manifest unknown") != -1 || + strings.HasSuffix(err.Error(), "not found") { + return true + } + return false +} + +// cancelOnInterrupt calls cancel func when os.Interrupt or SIGTERM is received +func cancelOnInterrupt(ctx context.Context, cancel context.CancelFunc) { + c := make(chan os.Signal, 1) + signal.Notify(c, os.Interrupt, syscall.SIGTERM) + go func() { + select { + case <-ctx.Done(): + case <-c: + cancel() + } + }() +} + +func copyImages(cfg Config) error { + + log.SetLevel(logrus.InfoLevel) + + ctx, cancelFunc := context.WithCancel(context.Background()) + defer cancelFunc() + cancelOnInterrupt(ctx, cancelFunc) + + cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation()) + if err != nil { + return err + } + + imagesFile, err := ioutil.ReadFile(cfg.ImagesFile) + if err != nil { + return err + } + var syncDef SyncDef + if err := yaml.Unmarshal(imagesFile, &syncDef); err != nil { + return err + } + if syncDef.TargetRepoPrefix == "" { + return fmt.Errorf("TargetRepoPrefix can not be empty") + } + + jsonKey, err := ioutil.ReadFile(cfg.TargetKeyFile) + if err != nil { + return err + } + + authString, err := getAuthString("_json_key", string(jsonKey)) + if err != nil { + return err + } + + for _, image := range syncDef.Images { + err = safeCopyImage(ctx, cli, authString, image.Source, syncDef.TargetRepoPrefix+image.Source, cfg.DryRun) + if err != nil { + return err + } + log.Info("------------------------") + } + return nil +} + +func main() { + log.Out = os.Stdout + var cfg Config + + var rootCmd = &cobra.Command{ + Use: "image-syncer", + Short: "image-syncer copies images between docker registries", + Long: `image-syncer copies docker images. It compares checksum between source and target and protects target images against overriding`, + Run: func(cmd *cobra.Command, args []string) { + if err := copyImages(cfg); err != nil { + log.Fatal(err) + } + }, + } + + rootCmd.PersistentFlags().StringVarP(&cfg.ImagesFile, "images-file", "i", "", "yaml file containing list of images") + rootCmd.PersistentFlags().StringVarP(&cfg.TargetKeyFile, "target-key-file", "t", "", "JSON key file used for authorization to target repo") + rootCmd.PersistentFlags().BoolVarP(&cfg.DryRun, "dry-run", "d", true, "dry run mode") + + rootCmd.MarkPersistentFlagRequired("images-file") + rootCmd.MarkPersistentFlagRequired("target-key-file") + envy.ParseCobra(rootCmd, envy.CobraConfig{Prefix: "SYNCER", Persistent: true, Recursive: false}) + + if err := rootCmd.Execute(); err != nil { + os.Exit(1) + } + +} diff --git a/prow/jobs/test-infra/image-syncer.yaml b/prow/jobs/test-infra/image-syncer.yaml new file mode 100644 index 000000000000..34fd9dea44a4 --- /dev/null +++ b/prow/jobs/test-infra/image-syncer.yaml @@ -0,0 +1,80 @@ +buildpack_golang_image: &buildpack_golang_image eu.gcr.io/kyma-project/test-infra/buildpack-golang:go1.14 + +job_labels_template: &job_labels_template + preset-dind-enabled: "true" + preset-sa-gcr-push: "true" + +presubmits: # runs on PRs + kyma-project/test-infra: + - name: pre-master-test-infra-image-syncer-validate + run_if_changed: "^(development/image-syncer)" + branches: + - ^master$ + max_concurrency: 10 + labels: + <<: *job_labels_template + decorate: true + path_alias: github.com/kyma-project/test-infra + spec: + containers: + - image: *buildpack_golang_image + command: + - "make" + args: + - "-C" + - "development/image-syncer" + - "validate" + resources: + requests: + memory: 1.5Gi + cpu: 0.8 + + - name: pre-master-test-infra-image-syncer-dry-run + run_if_changed: "^(development/image-syncer/external-images.yaml)" + branches: + - ^master$ + max_concurrency: 10 + labels: + <<: *job_labels_template + decorate: true + path_alias: github.com/kyma-project/test-infra + spec: + containers: + - image: *buildpack_golang_image + command: + - "bash" + args: + - "-c" + - 'source prow/scripts/lib/docker.sh && docker::start && make -C development/image-syncer dry-run' + securityContext: + privileged: true + resources: + requests: + memory: 1.5Gi + cpu: 0.8 + +postsubmits: + kyma-project/test-infra: + - name: post-master-test-infra-image-syncer-run + run_if_changed: "^(development/image-syncer/external-images.yaml)" + branches: + - ^master$ + max_concurrency: 10 + decorate: true + path_alias: github.com/kyma-project/test-infra + spec: + containers: + - image: *buildpack_golang_image + command: + - "bash" + args: + - "-c" + - 'source prow/scripts/lib/docker.sh && docker::start && make -C development/image-syncer run' + securityContext: + privileged: true + resources: + requests: + memory: 1.5Gi + cpu: 0.8 + labels: + <<: *job_labels_template