From f96a24a916f2cd29f1980868bc0665b8df454b81 Mon Sep 17 00:00:00 2001
From: Tony Murray <murraytony@gmail.com>
Date: Sat, 30 May 2020 11:09:54 -0500
Subject: [PATCH] Check python3 and pip3 versions (#11739)

---
 LibreNMS/Validations/Python.php | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/LibreNMS/Validations/Python.php b/LibreNMS/Validations/Python.php
index b815a08977..77ca69cb31 100644
--- a/LibreNMS/Validations/Python.php
+++ b/LibreNMS/Validations/Python.php
@@ -50,6 +50,7 @@ class Python extends BaseValidation
         }
 
         $this->checkVersion($validator, $version);
+        $this->checkPipVersion($validator, $version);
         $this->checkExtensions($validator);
     }
 
@@ -60,6 +61,16 @@ class Python extends BaseValidation
         }
     }
 
+    private function checkPipVersion(Validator $validator, $version)
+    {
+        preg_match('/\(python ([0-9.]+)\)/', `pip3 --version`, $matches);
+        $pip = $matches[1];
+        $python = implode('.', array_slice(explode('.', $version), 0, 2));
+        if (version_compare($python, $pip, '!=')) {
+            $validator->fail("python3 ($python) and pip3 ($pip) versions do not match.  This likely will cause dependencies to be installed for the wrong python version.");
+        }
+    }
+
     private function checkExtensions(Validator $validator)
     {
         $pythonExtensions = '/scripts/check_requirements.py';