From 3592214f2469fba772d7ab2819174df51be9b09c Mon Sep 17 00:00:00 2001
From: NEMS Linux <nems@baldnerd.com>
Date: Tue, 10 Sep 2019 13:14:50 -0400
Subject: [PATCH] Add perfdata_cutoff

---
 fixes.sh       |  6 ++++++
 info.sh        | 13 +++++++++++++
 perfdata-purge | 29 +++++++++++++++++++++++++++++
 3 files changed, 48 insertions(+)
 create mode 100755 perfdata-purge

diff --git a/fixes.sh b/fixes.sh
index 5c33fd4..e9a0585 100755
--- a/fixes.sh
+++ b/fixes.sh
@@ -46,6 +46,12 @@
    fi
  fi
 
+ # Clear old perfdata from the log
+ purgeDate=$(date -d '90 days ago' +%s)
+ if [[ $purgeDate > 0 ]]; then
+   awk -v m=$purgeDate '{k=$1 OFS $2} $2<=m {next} {print}' /usr/local/nagios/var/perfdata.log > /tmp/test.log
+ fi
+
  # Update apt here so we don't have to do it below
  apt clean
  apt update --allow-releaseinfo-change
diff --git a/info.sh b/info.sh
index cad51b7..4f6c36d 100755
--- a/info.sh
+++ b/info.sh
@@ -80,6 +80,19 @@ elif [[ $COMMAND == "checkport" ]]; then
 elif [[ $COMMAND == "nemsver" ]]; then
   cat /usr/local/share/nems/nems.conf | grep version |  printf '%s' $(cut -n -d '=' -f 2)
 
+# perfdata cutoff time (in days)
+elif [[ $COMMAND == "perfdata_cutoff" ]]; then
+  perfdata_cutoff=`cat /usr/local/share/nems/nems.conf | grep perfdata_cutoff |  printf '%s' $(cut -n -d '=' -f 2)`
+  if [[ $perfdata_cutoff != "" ]]; then
+    if (( $perfdata_cutoff >= 0 )); then
+      echo $perfdata_cutoff
+    else
+      echo 0
+    fi
+  else
+    echo 0
+  fi
+
 elif [[ $COMMAND == "tv_require_notify" ]]; then
   tv_require_notify=`cat /usr/local/share/nems/nems.conf | grep tv_require_notify |  printf '%s' $(cut -n -d '=' -f 2)`
   if [[ $tv_require_notify == 2 ]]; then
diff --git a/perfdata-purge b/perfdata-purge
new file mode 100755
index 0000000..e7e44b1
--- /dev/null
+++ b/perfdata-purge
@@ -0,0 +1,29 @@
+#!/usr/bin/env php
+<?php
+  $cutoff = intval(shell_exec('/usr/local/bin/nems-info perfdata_cutoff'));
+  if ($cutoff > 0) {
+    $file = '/usr/local/nagios/var/perfdata.log';
+    $perfdata = file($file);
+    $datachanged = 0;
+    if (is_array($perfdata)) {
+      foreach ($perfdata as $key => $line) {
+        $tmp = explode('||',$line);
+        $timestamp = $tmp[0];
+        if ($timestamp < strtotime($cutoff . ' days ago')) {
+          unset($perfdata[$key]);
+          $datachanged = 1;
+        }
+      }
+      if ($datachanged == 1) {
+        $output = '';
+        foreach ($perfdata as $line) {
+          $output .= $line;
+        }
+        file_put_contents($file,$output);
+      }
+    }
+  } else {
+    echo 'perfdata will not be purged since no cutoff is specified in NEMS SST.';
+  }
+  echo PHP_EOL;
+?>