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releaseVersions.go
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/
releaseVersions.go
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package framework
import (
"fmt"
"os"
"path/filepath"
"runtime"
"strings"
"github.com/aws/eks-anywhere/internal/pkg/files"
filereader "github.com/aws/eks-anywhere/pkg/files"
"github.com/aws/eks-anywhere/pkg/logger"
"github.com/aws/eks-anywhere/pkg/manifests/releases"
"github.com/aws/eks-anywhere/pkg/semver"
"github.com/aws/eks-anywhere/pkg/validations"
releasev1alpha1 "github.com/aws/eks-anywhere/release/api/v1alpha1"
)
const (
prodReleasesManifest = "https://anywhere-assets.eks.amazonaws.com/releases/eks-a/manifest.yaml"
releaseBinaryName = "eksctl-anywhere"
BranchNameEnvVar = "T_BRANCH_NAME"
defaultTestBranch = "main"
)
func GetLatestMinorReleaseBinaryFromTestBranch() (binaryPath string, err error) {
return getBinaryFromRelease(GetLatestMinorReleaseFromTestBranch())
}
func GetLatestMinorReleaseFromTestBranch() (*releasev1alpha1.EksARelease, error) {
testBranch := getEnvWithDefault(BranchNameEnvVar, defaultTestBranch)
if testBranch == "main" {
return GetLatestMinorReleaseFromMain()
}
majorMinor := getMajorMinorFromTestBranch(testBranch)
testBranchFirstVersion := fmt.Sprintf("%s.0", majorMinor)
testBranchFirstSemver, err := semver.New(testBranchFirstVersion)
if err != nil {
return nil, fmt.Errorf("can't extract semver from release branch [%s]: %v", testBranch, err)
}
return GetLatestMinorReleaseFromVersion(testBranchFirstSemver)
}
func GetLatestMinorReleaseBinaryFromMain() (binaryPath string, err error) {
return getBinaryFromRelease(GetLatestMinorReleaseFromMain())
}
func GetLatestMinorReleaseFromMain() (*releasev1alpha1.EksARelease, error) {
releases, err := prodReleases()
if err != nil {
return nil, err
}
var latestRelease *releasev1alpha1.EksARelease
for _, release := range releases.Spec.Releases {
if release.Version == releases.Spec.LatestVersion {
latestRelease = &release
break
}
}
if latestRelease == nil {
return nil, fmt.Errorf("releases manifest doesn't contain latest release %s", releases.Spec.LatestVersion)
}
return latestRelease, nil
}
func GetLatestMinorReleaseBinaryFromVersion(releaseBranchVersion *semver.Version) (binaryPath string, err error) {
return getBinaryFromRelease(GetLatestMinorReleaseFromVersion(releaseBranchVersion))
}
func GetLatestMinorReleaseFromVersion(releaseBranchVersion *semver.Version) (*releasev1alpha1.EksARelease, error) {
releases, err := prodReleases()
if err != nil {
return nil, err
}
release, err := getLatestPrevMinorRelease(releases, releaseBranchVersion)
if err != nil {
return nil, err
}
return release, nil
}
func GetReleaseBinaryFromVersion(version *semver.Version) (binaryPath string, err error) {
releases, err := prodReleases()
if err != nil {
return "", err
}
var targetVersion *releasev1alpha1.EksARelease
for _, release := range releases.Spec.Releases {
releaseVersion := newVersion(release.Version)
if releaseVersion == version {
targetVersion = &release
}
}
binaryPath, err = getBinary(targetVersion)
if err != nil {
return "", fmt.Errorf("failed getting binary for specified version %s: %s", version.String(), err)
}
return binaryPath, nil
}
func getBinary(release *releasev1alpha1.EksARelease) (string, error) {
r := platformAwareRelease{release}
latestReleaseBinaryFolder := filepath.Join("bin", r.Version)
latestReleaseBinaryPath := filepath.Join(latestReleaseBinaryFolder, releaseBinaryName)
if !validations.FileExists(latestReleaseBinaryPath) {
logger.Info("Downloading binary for EKS-A release", r.Version, latestReleaseBinaryPath)
err := os.MkdirAll(latestReleaseBinaryFolder, os.ModePerm)
if err != nil {
return "", fmt.Errorf("failed creating directory ./%s: %s", latestReleaseBinaryFolder, err)
}
binaryUri, err := r.binaryUri()
if err != nil {
return "", fmt.Errorf("determining URI for EKS-A binary: %v", err)
}
err = files.GzipFileDownloadExtract(binaryUri, releaseBinaryName, latestReleaseBinaryFolder)
if err != nil {
return "", fmt.Errorf("failed extracting binary for EKS-A release [%s] to path ./%s: %s", r.Version, latestReleaseBinaryPath, err)
}
}
return latestReleaseBinaryPath, nil
}
func getBinaryFromRelease(release *releasev1alpha1.EksARelease, chainedErr error) (binaryPath string, err error) {
if chainedErr != nil {
return "", err
}
binaryPath, err = getBinary(release)
if err != nil {
return "", fmt.Errorf("failed getting binary for release [%s]: %v", release.Version, err)
}
return binaryPath, nil
}
type platformAwareRelease struct {
*releasev1alpha1.EksARelease
}
func (p *platformAwareRelease) binaryUri() (binaryUri string, err error) {
r := runtime.GOOS
switch r {
case "darwin":
return p.EksABinary.DarwinBinary.URI, nil
case "linux":
return p.EksABinary.LinuxBinary.URI, nil
default:
return "", fmt.Errorf("unsupported runtime %s", r)
}
}
func prodReleases() (release *releasev1alpha1.Release, err error) {
reader := filereader.NewReader()
logger.Info("Reading prod release manifest", "manifest", prodReleasesManifest)
releases, err := releases.ReadReleasesFromURL(reader, prodReleasesManifest)
if err != nil {
return nil, err
}
return releases, nil
}
func getLatestPrevMinorRelease(releases *releasev1alpha1.Release, releaseBranchVersion *semver.Version) (*releasev1alpha1.EksARelease, error) {
targetRelease := &releasev1alpha1.EksARelease{
Version: "",
BundleManifestUrl: "",
}
latestPrevMinorReleaseVersion := newVersion("0.0.0")
for _, release := range releases.Spec.Releases {
releaseVersion := newVersion(release.Version)
if releaseVersion.LessThan(releaseBranchVersion) && releaseVersion.Minor != releaseBranchVersion.Minor && releaseVersion.GreaterThan(latestPrevMinorReleaseVersion) {
*targetRelease = release
latestPrevMinorReleaseVersion = releaseVersion
}
}
if targetRelease.Version == "" {
return nil, fmt.Errorf("releases manifest doesn't contain a version of the previous minor release")
}
return targetRelease, nil
}
func getMajorMinorFromTestBranch(testBranch string) string {
return strings.TrimPrefix(testBranch, "release-")
}