build: Generate image list files for distro and version

.goreleaser.yaml

@@ -9,6 +9,7 @@ before:
     - just clean-release
     - just copy-assets
     - just generate-vcluster-images {{ .Version }}
+    - just generate-matrix-specific-images {{ .Version }}
 
 source:
   format: tar.gz

Justfile

@@ -70,6 +70,20 @@ copy-assets:
 generate-vcluster-images version="0.0.0":
   go run -mod vendor ./hack/assets/main.go {{ version }} > ./release/vcluster-images.txt
 
+# Generate versioned vCluster image files for multiple versions and distros
+[private]
+generate-matrix-specific-images version="0.0.0":
+  #!/usr/bin/env bash
+
+  distros=("k8s" "k3s" "k0s")
+  versions=("1.30" "1.29" "1.28")
+
+  for distro in "${distros[@]}"; do
+    for version in "${versions[@]}"; do
+      go run -mod vendor ./hack/assets/separate/main.go -kubernetes-distro=$distro -kubernetes-version=$version -vcluster-version={{ version }} > ./release/vcluster-images-$distro-$version.txt
+    done
+  done
+
 # Generate the CLI docs
 generate-cli-docs:
   go run -mod vendor -tags pro ./hack/docs/main.go

hack/assets/main.go

@@ -14,8 +14,9 @@ import (
 func main() {
 	images := []string{}
 
-	// loft
+	// vCluster
 	images = append(images, "ghcr.io/loft-sh/vcluster:"+cleanTag(os.Args[1]))
+	images = append(images, "ghcr.io/loft-sh/vcluster-pro:"+cleanTag(os.Args[1]))
 	images = append(images, config.DefaultHostsRewriteImage)
 
 	// loop over k3s versions

hack/assets/separate/main.go

@@ -0,0 +1,86 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"slices"
+	"strings"
+
+	vclusterconfig "github.com/loft-sh/vcluster/config"
+	"github.com/loft-sh/vcluster/pkg/config"
+	"github.com/loft-sh/vcluster/pkg/constants"
+	"github.com/loft-sh/vcluster/pkg/coredns"
+)
+
+var (
+	kubernetesDistro  = flag.String("kubernetes-distro", "", "The Kubernetes distro to include in the list")
+	kubernetesVersion = flag.String("kubernetes-version", "", "The Kubernetes version to include in the image list")
+	vClusterVersion   = flag.String("vcluster-version", "", "The vCluster version to include in the image list")
+)
+
+func main() {
+	flag.Parse()
+
+	assert(*kubernetesDistro != "", "-kubernetes-distro flag has to be set")
+	assert(*kubernetesVersion != "", "-kubernetes-version flag has to be set")
+	assert(*vClusterVersion != "", "-vcluster-version flag has to be set")
+
+	images := []string{}
+
+	// vCluster
+	assert(cleanTag(*vClusterVersion) != "", "vCluster version does not contain a numnber")
+	images = append(images, "ghcr.io/loft-sh/vcluster-pro:"+cleanTag(*vClusterVersion))
+	images = append(images, "ghcr.io/loft-sh/vcluster-pro-fips:"+cleanTag(*vClusterVersion))
+	images = append(images, config.DefaultHostsRewriteImage)
+
+	var versionMap map[string]string
+	switch *kubernetesDistro {
+	case "k8s":
+		versionMap = vclusterconfig.K8SAPIVersionMap
+	case "k3s":
+		versionMap = vclusterconfig.K3SVersionMap
+	case "k0s":
+		versionMap = vclusterconfig.K0SVersionMap
+	}
+	assert(versionMap != nil, "no version map found for kubernetes distro", *kubernetesDistro)
+
+	// loop over version map
+	kubernetesImage := versionMap[*kubernetesVersion]
+	assert(len(kubernetesImage) > 0, "could not find kubernetes version for distro", *kubernetesDistro, *kubernetesVersion)
+	images = append(images, kubernetesImage)
+
+	if *kubernetesDistro == "k8s" {
+		controllerManagerImage := vclusterconfig.K8SControllerVersionMap[*kubernetesVersion]
+		assert(len(controllerManagerImage) > 0, "could not find controller manager image", *kubernetesVersion)
+		images = append(images, controllerManagerImage)
+
+		etcdImage := vclusterconfig.K8SEtcdVersionMap[*kubernetesVersion]
+		assert(len(etcdImage) > 0, "could not find etcd image", *kubernetesVersion)
+		images = append(images, etcdImage)
+	}
+
+	// loop over core-dns versions
+	coreDNSImage := constants.CoreDNSVersionMap[*kubernetesVersion]
+	assert(len(coreDNSImage) > 0, "could not find CoreDNS image", *kubernetesVersion)
+	images = append(images, coreDNSImage)
+
+	if !slices.Contains(images, coredns.DefaultImage) {
+		images = append(images, coredns.DefaultImage)
+	}
+
+	fmt.Print(strings.Join(images, "\n") + "\n")
+}
+
+func cleanTag(tag string) string {
+	if len(tag) > 0 && tag[0] == 'v' {
+		return tag[1:]
+	}
+
+	return tag
+}
+
+func assert(condition bool, message ...string) {
+	if !condition {
+		panic(fmt.Sprintf("assert failed: %v", strings.Join(message, ", ")))
+	}
+}

pkg/constants/coredns.go

@@ -1,6 +1,9 @@
 package constants
 
 var CoreDNSVersionMap = map[string]string{
+	"1.30": "coredns/coredns:1.11.3",
+	"1.29": "coredns/coredns:1.11.1",
+	"1.28": "coredns/coredns:1.10.1",
 	"1.27": "coredns/coredns:1.10.1",
 	"1.26": "coredns/coredns:1.9.3",
 	"1.25": "coredns/coredns:1.9.3",