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cluster.go
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cluster.go
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package register
import (
"context"
"fmt"
"github.com/kris-nova/logger"
"github.com/pkg/errors"
"github.com/spf13/afero"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
"github.com/weaveworks/eksctl/pkg/connector"
"github.com/weaveworks/eksctl/pkg/ctl/cmdutils"
"github.com/weaveworks/eksctl/pkg/eks"
)
func registerClusterCmd(cmd *cmdutils.Cmd) {
cmd.SetDescription("cluster", "Register a non-EKS Kubernetes cluster", "")
var cluster connector.ExternalCluster
cmd.CobraCommand.RunE = func(_ *cobra.Command, args []string) error {
return registerCluster(cmd, cluster)
}
cmd.FlagSetGroup.InFlagSet("General", func(fs *pflag.FlagSet) {
fs.StringVar(&cluster.Name, "name", "", "EKS cluster name")
fs.StringVar(&cluster.Provider, "provider", "", fmt.Sprintf("Kubernetes provider name (one of %v)", connector.ValidProviders()))
fs.StringVar(&cluster.ConnectorRoleARN, "role-arn", "", "EKS Connector role ARN")
requiredFlags := []string{"name", "provider"}
for _, f := range requiredFlags {
_ = cobra.MarkFlagRequired(fs, f)
}
cmdutils.AddRegionFlag(fs, &cmd.ProviderConfig)
})
cmdutils.AddCommonFlagsForAWS(cmd, &cmd.ProviderConfig, false)
}
func registerCluster(cmd *cmdutils.Cmd, cluster connector.ExternalCluster) error {
ctx := context.Background()
clusterProvider, err := eks.New(ctx, &cmd.ProviderConfig, nil)
if err != nil {
return err
}
manifestTemplate, err := connector.GetManifestTemplate()
if err != nil {
return errors.Wrap(err, "error getting manifests for EKS Connector")
}
c := connector.EKSConnector{
Provider: clusterProvider.AWSProvider,
ManifestTemplate: manifestTemplate,
}
resourceList, err := c.RegisterCluster(ctx, cluster)
if err != nil {
return errors.Wrap(err, "error registering cluster")
}
logger.Info("registered cluster %q successfully", cluster.Name)
// TODO consider providing a manifests-dir argument to allow writing EKS Connector resources to a specific directory.
return connector.WriteResources(afero.NewOsFs(), resourceList)
}