Merge pull request #123 from c4milo/shared-http-client

feat(util/http_client): Adds generic HTTP client

datasource/proc_cmdline.go

@@ -5,6 +5,8 @@ import (
 	"io/ioutil"
 	"log"
 	"strings"
+
+	"github.com/coreos/coreos-cloudinit/pkg"
 )
 
 const (
@@ -32,7 +34,8 @@ func (self *procCmdline) Fetch() ([]byte, error) {
 		return nil, err
 	}
 
-	cfg, err := fetchURL(url)
+	client := pkg.NewHttpClient()
+	cfg, err := client.Get(url)
 	if err != nil {
 		return nil, err
 	}