Server monthly uptime analytics (#1146)

* add month button

* generate by last month,
tracing why < week uptime truncated

* start hack archiver

* add weekly default config for dynamic archive

* if monthly archive defined, allow up to ~1 month old uptime date

* allow quarterly retention

* add comment for archiver

* query by archive settings retention

src/psm/Module/Install/Controller/InstallController.php

@@ -202,6 +202,7 @@ class InstallController extends AbstractController
                 'db_pass' => '',
                 'db_prefix' => 'psm_',
                 'base_url' => $this->getBaseUrl(),
+				'uptime_archive' => 'weekly',
             );
 
             $changed = false;

src/psm/Util/Server/Archiver/UptimeArchiver.php

@@ -56,7 +56,10 @@ class UptimeArchiver implements ArchiverInterface
     }
 
     /**
-     * Archive all server status records older than 1 week.
+     * Archive all server status records older than (X) based on config.
+	 * quarterly = up to last 3 months
+	 * monthly = up to last 1 month
+	 * default / weekly = up to 1 week
      *
      * Archiving means calculating averages per day, and storing 1 single
      * history row for each day for each server.
@@ -65,7 +68,13 @@ class UptimeArchiver implements ArchiverInterface
      */
     public function archive($server_id = null)
     {
-        $latest_date = new \DateTime('-1 week 0:0:0');
+		if(PSM_UPTIME_ARCHIVE == 'quarterly'){
+			$latest_date = new \DateTime('-3 month 0:0:0');
+		}else if(PSM_UPTIME_ARCHIVE == 'monthly'){
+			$latest_date = new \DateTime('-1 month 0:0:0');
+		}else{
+			$latest_date = new \DateTime('-1 week 0:0:0');
+		}
 
         // Lock tables to prevent simultaneous archiving (by other sessions or the cron job)
         try {

src/psm/Util/Server/HistoryGraph.php

@@ -71,11 +71,21 @@ class HistoryGraph
         $archive->archive($server_id);
 
         $now = new DateTime();
+
+		if(PSM_UPTIME_ARCHIVE == 'quarterly'){
+			$start_date = new DateTime('-3 month 0:0:0');
+		}else if(PSM_UPTIME_ARCHIVE == 'monthly'){
+			$start_date = new DateTime('-1 month 0:0:0');
+		}else{
+			$start_date = new DateTime('-1 week 0:0:0');
+		}
+
         $last_week = new DateTime('-1 week 0:0:0');
+        $last_month = new DateTime('-1 month 0:0:0');
         $last_year = new DateTime('-1 year -1 week 0:0:0');
 
         $graphs = array(
-            0 => $this->generateGraphUptime($server_id, $last_week, $now),
+            0 => $this->generateGraphUptime($server_id, $start_date, $now),
             1 => $this->generateGraphHistory($server_id, $last_year, $last_week),
         );
         $info_fields = array(
@@ -120,6 +130,7 @@ class HistoryGraph
         $hour = new DateTime('-1 hour');
         $day = new DateTime('-1 day');
         $week = new DateTime('-1 week');
+		$month = new DateTime('-1 month');
         
         $records = $this->getRecords('uptime', $server_id, $start_time, $end_time);
 
@@ -146,6 +157,11 @@ class HistoryGraph
             'time' => $week->getTimestamp() * 1000,
             'label' => psm_get_lang('servers', 'week')
         );
+		$data['buttons'][] = array(
+            'unit' => 'day',
+            'time' => $month->getTimestamp() * 1000,
+            'label' => psm_get_lang('servers', 'month')
+        );
 
         return $data;
     }