client.go

package ilo

import (
	"bytes"
	"fmt"
	"io/ioutil"
	"net/http"

	xmlpath "gopkg.in/xmlpath.v2"
)

// Client is a struct for storing information about an ILO Client
type Client struct {
	host string
}

var paths = map[string]*xmlpath.Path{
	"SBSN": xmlpath.MustCompile("/RIMP/HSI/SBSN"),
	"SPN":  xmlpath.MustCompile("/RIMP/HSI/SPN"),
	"UUID": xmlpath.MustCompile("/RIMP/HSI/UUID"),
	"PN":   xmlpath.MustCompile("/RIMP/MP/PN"),
	"FWRI": xmlpath.MustCompile("/RIMP/MP/FWRI"),
}

// NewClient creates a new ILO CLient for the specified host
func NewClient(host string) Client {
	return Client{host}
}

// GetInfo does a HTTP Get to get the the data from the ILO Server
func (c Client) GetInfo() (*Info, error) {
	url := fmt.Sprintf("http://%s/xmldata?item=all", c.host)
	resp, err := http.Get(url)
	if err != nil {
		return &Info{c.host, "", "", "", "", false}, err
	}

	defer resp.Body.Close()
	body, _ := ioutil.ReadAll(resp.Body)

	root, err := xmlpath.Parse(bytes.NewReader(body))
	if err != nil {
		return nil, err
	}

	data := make(map[string]string)

	for k := range paths {
		if value, ok := paths[k].String(root); ok {
			data[k] = value
		}
	}

	return &Info{c.host, data["SBSN"], data["SPN"], data["PN"], data["FWRI"], true}, nil
}