Begin switching to JSON results and sane data structures

CSV is too hacky, and it was only used because #113 disguised why JSON didn't work.

includes/wp-cli/class-orchestrate.php

@@ -70,7 +70,7 @@ class Orchestrate extends \WP_CLI_Command {
 	public function get_info( $args, $assoc_args ) {
 		$info = array(
 			array(
-				'multisite' => is_multisite() ? "true" : "false",
+				'multisite' => is_multisite() ? 1 : 0,
 				'siteurl'   => site_url(),
 			),
 		);

runner/runner.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"encoding/csv"
+	"encoding/json"
 	"flag"
 	"fmt"
 	"log"
@@ -12,6 +13,11 @@ import (
 	"time"
 )
 
+type SiteInfo struct {
+	Multisite int
+	Siteurl   string
+}
+
 type Event struct {
 	url       string
 	timestamp string
@@ -124,14 +130,12 @@ func keepAlive() {
 }
 
 func getSites() ([][]string, error) {
-	siteInfo, err := getWpCliOutput([]string{"cron-control", "orchestrate", "get-info"})
+	siteInfo, err := getInstanceInfo()
 	if err != nil {
 		return make([][]string,0), err
 	}
 
-	isMultisite, siteUrl := siteInfo[1][0], siteInfo[1][1]
-
-	if isMultisite == "true" {
+	if siteInfo.Multisite == 1 {
 		sites, err := getWpCliOutput([]string{"site", "list", "--fields=url", "--archived=false", "--deleted=false", "--spam=false"})
 
 		if err != nil {
@@ -145,7 +149,7 @@ func getSites() ([][]string, error) {
 		sites[0] = make([]string,0)
 		sites[0] = append(sites[0], "url")
 		sites[1] = make([]string,0)
-		sites[1] = append(sites[1], siteUrl)
+		sites[1] = append(sites[1], siteInfo.Siteurl)
 
 		return sites, nil
 	}
@@ -194,6 +198,20 @@ func runEvents(workerId int, events <-chan Event) {
 	}
 }
 
+func getInstanceInfo() (SiteInfo, error) {
+	raw, err := runWpCliCmd([]string{"cron-control", "orchestrate", "get-info","--format=json"})
+	if err != nil {
+		return SiteInfo{}, err
+	}
+
+	jsonRes := make([]SiteInfo,0)
+	if err = json.Unmarshal([]byte(raw), &jsonRes); err != nil {
+		return SiteInfo{}, err
+	}
+
+	return jsonRes[0], nil
+}
+
 func getWpCliOutput(subcommand []string) ([][]string, error) {
 	subcommand = append(subcommand, "--format=csv")