protokube is operational

pkg/apis/kops/v1alpha2/cluster.go

@@ -218,12 +218,6 @@ type ClusterSpec struct {
 	Karpenter *KarpenterConfig `json:"karpenter,omitempty"`
 	// PodIdentityWebhook determines the EKS Pod Identity Webhook configuration.
 	PodIdentityWebhook *PodIdentityWebhookConfig `json:"podIdentityWebhook,omitempty"`
-	// Scaleway configures the Scaleway cloud provider.
-	Scaleway *ScalewaySpec `json:"scaleway,omitempty"`
-}
-
-// ScalewaySpec configures the Scaleway cloud provider
-type ScalewaySpec struct {
 }
 
 // PodIdentityWebhookConfig configures an EKS Pod Identity Webhook.

protokube/cmd/protokube/main.go

@@ -141,6 +141,14 @@ func run() error {
 		}
 		cloudProvider = azureVolumes
 
+	} else if cloud == "scaleway" {
+		scwCloudProvider, err := protokube.NewScwCloudProvider()
+		if err != nil {
+			klog.Errorf("Error initializing Scaleway: %q", err)
+			os.Exit(1)
+		}
+		cloudProvider = scwCloudProvider
+
 	} else {
 		klog.Errorf("Unknown cloud %q", cloud)
 		os.Exit(1)

protokube/pkg/gossip/scaleway/seeds.go

@@ -0,0 +1,71 @@
+/*
+Copyright 2022 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package scaleway
+
+import (
+	"fmt"
+
+	"github.com/scaleway/scaleway-sdk-go/api/instance/v1"
+	"github.com/scaleway/scaleway-sdk-go/scw"
+	"k8s.io/klog/v2"
+	"k8s.io/kops/protokube/pkg/gossip"
+	"k8s.io/kops/upup/pkg/fi/cloudup/scaleway"
+)
+
+type SeedProvider struct {
+	scwClient *scw.Client
+	tag       string
+}
+
+var _ gossip.SeedProvider = &SeedProvider{}
+
+func NewSeedProvider(scwClient *scw.Client, clusterName string) (*SeedProvider, error) {
+	return &SeedProvider{
+		scwClient: scwClient,
+		tag:       clusterName,
+	}, nil
+}
+
+func (p *SeedProvider) GetSeeds() ([]string, error) {
+	var seeds []string
+
+	instanceAPI := instance.NewAPI(p.scwClient)
+	zone, ok := p.scwClient.GetDefaultZone()
+	if !ok {
+		return nil, fmt.Errorf("could not determine default region from client")
+	}
+	servers, err := instanceAPI.ListServers(&instance.ListServersRequest{
+		Zone: zone,
+		Tags: []string{fmt.Sprintf("%s=%s", scaleway.TagClusterName, p.tag)},
+	}, scw.WithAllPages())
+	if err != nil {
+		return nil, fmt.Errorf("failed to get matching servers: %s", err)
+	}
+
+	for _, server := range servers.Servers {
+		if server.PrivateIP == nil || *server.PrivateIP == "" {
+			klog.Warningf("failed to find private ip of the server %s(%s)", server.Name, server.ID)
+			continue
+		}
+
+		klog.V(4).Infof("Appending gossip seed %s(%s): %q", server.Name, server.ID, *server.PrivateIP)
+		seeds = append(seeds, *server.PrivateIP)
+	}
+
+	klog.V(4).Infof("Get seeds function done now")
+	return seeds, nil
+}

protokube/pkg/protokube/scaleway_volumes.go

@@ -0,0 +1,108 @@
+/*
+Copyright 2022 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package protokube
+
+import (
+	"fmt"
+	"net"
+	"strings"
+
+	"github.com/scaleway/scaleway-sdk-go/api/instance/v1"
+	"github.com/scaleway/scaleway-sdk-go/scw"
+	"k8s.io/klog/v2"
+	kopsv "k8s.io/kops"
+	"k8s.io/kops/protokube/pkg/gossip"
+	gossipscw "k8s.io/kops/protokube/pkg/gossip/scaleway"
+	"k8s.io/kops/upup/pkg/fi/cloudup/scaleway"
+)
+
+// ScwCloudProvider defines the Scaleway Cloud volume implementation.
+type ScwCloudProvider struct {
+	scwClient *scw.Client
+	server    *instance.Server
+	serverIP  net.IP
+}
+
+var _ CloudProvider = &ScwCloudProvider{}
+
+// NewScwCloudProvider returns a new Scaleway Cloud volume provider.
+func NewScwCloudProvider() (*ScwCloudProvider, error) {
+	metadataAPI := instance.NewMetadataAPI()
+	metadata, err := metadataAPI.GetMetadata()
+	if err != nil {
+		return nil, fmt.Errorf("failed to retrieve server metadata: %s", err)
+	}
+
+	serverID := metadata.ID
+	klog.V(4).Infof("Found ID of the running server: %v", serverID)
+
+	zoneID := metadata.Location.ZoneID
+	zone, err := scw.ParseZone(zoneID)
+	if err != nil {
+		return nil, fmt.Errorf("unable to parse Scaleway zone: %s", err)
+	}
+	klog.V(4).Infof("Found zone of the running server: %v", zone)
+
+	privateIP := metadata.PrivateIP
+	klog.V(4).Infof("Found first private net IP of the running server: %q", privateIP)
+
+	scwClient, err := scw.NewClient(
+		scw.WithUserAgent(scaleway.KopsUserAgentPrefix+kopsv.Version),
+		scw.WithEnv(),
+		scw.WithDefaultZone(zone),
+	)
+	if err != nil {
+		return nil, fmt.Errorf("error creating client: %w", err)
+	}
+
+	instanceAPI := instance.NewAPI(scwClient)
+	server, err := instanceAPI.GetServer(&instance.GetServerRequest{
+		ServerID: serverID,
+		Zone:     zone,
+	})
+	if err != nil || server == nil {
+		return nil, fmt.Errorf("failed to get the running server: %s", err)
+	}
+	klog.V(4).Infof("Found the running server: %q", server.Server.Name)
+
+	s := &ScwCloudProvider{
+		scwClient: scwClient,
+		server:    server.Server,
+		serverIP:  net.IP(privateIP),
+	}
+
+	return s, nil
+}
+
+func (s *ScwCloudProvider) InstanceID() string {
+	return fmt.Sprintf("%s-%s", s.server.Name, s.server.ID)
+}
+
+func (s ScwCloudProvider) InstanceInternalIP() net.IP {
+	return s.serverIP
+}
+
+func (s *ScwCloudProvider) GossipSeeds() (gossip.SeedProvider, error) {
+	for _, tag := range s.server.Tags {
+		if !strings.HasPrefix(tag, scaleway.TagClusterName) {
+			continue
+		}
+		clusterName := strings.TrimPrefix(tag, scaleway.TagClusterName+"=")
+		return gossipscw.NewSeedProvider(s.scwClient, clusterName)
+	}
+	return nil, fmt.Errorf("failed to find cluster name label for running server: %v", s.server.Tags)
+}

upup/pkg/fi/cloudup/scaleway/cloud.go

@@ -0,0 +1,22 @@
+/*
+Copyright 2022 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package scaleway
+
+const (
+	TagClusterName      = "kops.k8s.io/cluster"
+	KopsUserAgentPrefix = "kubernetes-kops/"
+)