Files
my-rook-config/cmd/castlectl/node-list.go
T

57 lines
1.3 KiB
Go

package main
import (
"bytes"
"fmt"
"net/http"
"github.com/quantum/castle/pkg/castlectl/client"
"github.com/quantum/castle/pkg/model"
"github.com/quantum/castle/pkg/util/display"
"github.com/spf13/cobra"
)
var nodeListCmd = &cobra.Command{
Use: "ls",
Short: "Gets a listing with details of all nodes in the cluster",
}
func init() {
nodeListCmd.RunE = listNodesEntry
}
func listNodesEntry(cmd *cobra.Command, args []string) error {
// verify required flags. currently there are none
c := client.NewCastleNetworkRestClient(client.GetRestURL(apiServerEndpoint), http.DefaultClient)
out, err := listNodes(c)
if err != nil {
return err
}
fmt.Print(out)
return nil
}
func listNodes(c client.CastleRestClient) (string, error) {
nodes, err := c.GetNodes()
if err != nil {
return "", fmt.Errorf("failed to get nodes: %+v", err)
}
var buffer bytes.Buffer
w := NewTableWriter(&buffer)
// write header columns
fmt.Fprintln(w, "ADDRESS\tSTATE\tCLUSTER\tSIZE\tLOCATION\tUPDATED\t")
// print a row for each node
for _, n := range nodes {
fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\t%s ago\t\n", n.IPAddress, model.NodeStateToString(n.State), n.ClusterName,
display.BytesToString(n.Storage), n.Location, n.LastUpdated.String())
}
w.Flush()
return buffer.String(), nil
}