func runStatusNode(cmd *cobra.Command, args []string) error {
var nodeStatuses []status.NodeStatus
switch len(args) {
case 0:
// Show status for all nodes.
jsonResponse := map[string][]status.NodeStatus{}
if err := getJSON(cliContext.Addr, server.PathForNodeStatus(""), &jsonResponse); err != nil {
return err
}
nodeStatuses = jsonResponse["d"]
case 1:
nodeStatus := status.NodeStatus{}
nodeID := args[0]
if err := getJSON(cliContext.Addr, server.PathForNodeStatus(nodeID), &nodeStatus); err != nil {
return err
}
if nodeStatus.Desc.NodeID == 0 {
// I'm not sure why the status call doesn't return an error when the given NodeID doesn't
// exist. This should be revisited.
//
// TODO(cdo): Look into why status call returns erroneous data when given node ID of 0.
return fmt.Errorf("Error: node %s doesn't exist", nodeID)
}
nodeStatuses = []status.NodeStatus{nodeStatus}
default:
mustUsage(cmd)
return util.Errorf("expected no arguments or a single node ID")
}
printQueryOutput(os.Stdout, nodesColumnHeaders, nodeStatusesToRows(nodeStatuses))
return nil
}
func runLsNodes(cmd *cobra.Command, args []string) error {
if len(args) != 0 {
mustUsage(cmd)
}
// Extract Node IDs from NodeStatuses.
nodeStatuses := map[string][]status.NodeStatus{}
if err := getJSON(cliContext.Addr, server.PathForNodeStatus(""), &nodeStatuses); err != nil {
return err
}
var rows [][]string
for _, nodeStatus := range nodeStatuses["d"] {
rows = append(rows, []string{
strconv.FormatInt(int64(nodeStatus.Desc.NodeID), 10),
})
}
printQueryOutput(os.Stdout, lsNodesColumnHeaders, rows)
return nil
}