chore: fixes and improvements

- upgrade kubernetes version
- increase the osd size
- force namespace for rook-ceph

internal/k8s/k8s.go

@@ -14,6 +14,10 @@ const (
 	rookCephOperatorChartValues = "rook-ceph/values.yaml"
 )
 
+const (
+	defaultRookCephNS = "rook-ceph"
+)
+
 type Cluster struct {
 	kubeConfigFile string
 	chartsDir      string
@@ -52,6 +56,7 @@ func (c *Cluster) InstallCharts() error {
 
 	opt := &helmclient.KubeConfClientOptions{
 		Options: &helmclient.Options{
+			Namespace:        defaultRookCephNS,
 			RepositoryCache:  "/tmp/.helmcache",
 			RepositoryConfig: "/tmp/.helmrepo",
 			Debug:            true,
@@ -79,7 +84,7 @@ func (c *Cluster) InstallCharts() error {
 	chartSpec := helmclient.ChartSpec{
 		ReleaseName:     "rook-ceph",
 		ChartName:       "rook-release/rook-ceph",
-		Namespace:       "rook-ceph",
+		Namespace:       defaultRookCephNS,
 		CreateNamespace: true,
 		UpgradeCRDs:     true,
 		ValuesYaml:      string(valuesRookOperatorYaml),
@@ -100,12 +105,12 @@ func (c *Cluster) InstallCharts() error {
 	chartClusterSpec := &helmclient.ChartSpec{
 		ReleaseName:     "rook-ceph-cluster",
 		ChartName:       "rook-release/rook-ceph-cluster",
-		Namespace:       "rook-ceph",
+		Namespace:       defaultRookCephNS,
 		ValuesYaml:      string(valuesRookClusterYaml),
 		CreateNamespace: true,
-
-		Force: true,
+		Force:           true,
 	}
+
 	fmt.Println("========== installing Ceph GetCluster Helm Chart  =======")
 	clusterRelease, err := helmClient.InstallOrUpgradeChart(context.Background(), chartClusterSpec, nil)
 	if err != nil {

pkg/models/kubeone.go

@@ -26,7 +26,7 @@ func NewKubeOneConfig(clusterName string) *KubeOneConfig {
 		Kind:       "KubeOneCluster",
 		Name:       clusterName,
 		Versions: Versions{
-			Kubernetes: "1.25.6",
+			Kubernetes: "1.27.11",
 		},
 		CloudProvider: CloudProvider{
 			Hetzner:  CloudProviderHetzner{},

pkg/providers/hetzner/hetzner.go

@@ -13,6 +13,10 @@ import (
 	"go.uber.org/fx"
 )
 
+const (
+	defaultOSDSizeInGB = 100
+)
+
 type Provider struct {
 	Client *hcloud.Client
 	Token  string
@@ -87,7 +91,7 @@ func (p *Provider) AttacheVolumesToServers(ctx context.Context, customerName str
 	for _, server := range servers {
 		serverName := server.Name
 		name := fmt.Sprintf("data-%s-pool1-%s", customerName, serverName[len(serverName)-5:])
-		err := p.AttachVolumeToServer(ctx, server, volLabels, 40, name, false)
+		err := p.AttachVolumeToServer(ctx, server, volLabels, defaultOSDSizeInGB, name, false)
 		if err != nil {
 			p.Logger.Error("unable to create volume", "err", err)
 			return err

templates/hetzner/kubeone.yaml

@@ -1,7 +1,7 @@
 apiVersion: kubeone.k8c.io/v1beta2
 kind: KubeOneCluster
 versions:
-  kubernetes: '1.25.6'
+  kubernetes: '1.27.11'
 cloudProvider:
   hetzner: {}
   external: true