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gke.go
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gke.go
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package discovery
import (
"context"
"encoding/base64"
"github.com/solo-io/skv2/pkg/multicluster/discovery/cloud"
"github.com/solo-io/skv2/pkg/multicluster/kubeconfig"
containerpb "google.golang.org/genproto/googleapis/container/v1"
"k8s.io/client-go/tools/clientcmd"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
)
func NewGkeConfigBuilder(gkeClient cloud.GkeClient) GkeConfigBuilder {
return &gkeConfigBuilder{gkeClient: gkeClient}
}
type gkeConfigBuilder struct {
gkeClient cloud.GkeClient
}
func (g *gkeConfigBuilder) ConfigForCluster(ctx context.Context, cluster *containerpb.Cluster) (clientcmd.ClientConfig, error) {
token, err := g.gkeClient.Token(ctx)
if err != nil {
return nil, err
}
ca, err := base64.StdEncoding.DecodeString(cluster.GetMasterAuth().GetClusterCaCertificate())
if err != nil {
return nil, err
}
cfg := kubeconfig.BuildRemoteCfg(
&clientcmdapi.Cluster{
Server: cluster.GetEndpoint(),
CertificateAuthorityData: ca,
},
&clientcmdapi.Context{
Cluster: cluster.GetName(),
},
cluster.GetName(),
token.AccessToken,
)
return clientcmd.NewDefaultClientConfig(cfg, &clientcmd.ConfigOverrides{}), nil
}