From 95d0bceae7def5b94abe301118a8474cbbb2e3ec Mon Sep 17 00:00:00 2001
From: Andrew Hutchings <andrew@linuxjedi.co.uk>
Date: Mon, 18 Nov 2019 13:34:20 +0000
Subject: [PATCH] MCOL-3559 Stop postConfigure if mysqld is running

It is possible that a user will already have a MariaDB Server running
before executing postConfigure. Exit early in this scenario.
---
 oamapps/postConfigure/postConfigure.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/oamapps/postConfigure/postConfigure.cpp b/oamapps/postConfigure/postConfigure.cpp
index 981870dff..17fb4867d 100644
--- a/oamapps/postConfigure/postConfigure.cpp
+++ b/oamapps/postConfigure/postConfigure.cpp
@@ -539,6 +539,18 @@ int main(int argc, char* argv[])
         exit (1);
     }
 
+    char buf[512];
+    FILE *cmd_pipe = popen("pidof -s mysqld", "r");
+    fgets(buf, 512, cmd_pipe);
+    pid_t pid = strtoul(buf, NULL, 10);
+    pclose(cmd_pipe);
+
+    if (pid)
+    {
+        cout << "MariaDB Server is currently running on PID " << pid << ". Cannot run postConfigure whilst this is running. Exiting.." << endl;
+        exit (1);
+    }
+
     //check Config saved files
     if ( !checkSaveConfigFile())
     {