From f6039b69b3189d63c6bbd78c2a5a4731be5db736 Mon Sep 17 00:00:00 2001
From: Simon Michnowicz <simon.michnowicz@monash.edu>
Date: Tue, 13 Apr 2021 15:11:44 +1000
Subject: [PATCH] First checkin of python testing script
---
.../templates/detect-gluster-problems.py.j2 | 87 +++++++++++++++++++
1 file changed, 87 insertions(+)
create mode 100644 roles/gluster-monitor/templates/detect-gluster-problems.py.j2
diff --git a/roles/gluster-monitor/templates/detect-gluster-problems.py.j2 b/roles/gluster-monitor/templates/detect-gluster-problems.py.j2
new file mode 100644
index 00000000..e0e2ae7b
--- /dev/null
+++ b/roles/gluster-monitor/templates/detect-gluster-problems.py.j2
@@ -0,0 +1,87 @@
+# detect-gluster-problems.py
+# Authors simon michnowicz 13 April 2021
+
+COMMAND="sudo gluster volume heal gv info"
+#COMMAND="sudo gluster volume heal gv info split-brain"
+#also gluster volume heal gv info split-brain
+
+#myOutput=`$COMMAND`
+#myOutput=" a split brain that heals"
+#echo "Output is $myOutput"
+#
+#
+#sudo gluster volume heal gv info split-brain
+#Brick 172.16.227.169:/gbrick/brick
+#Status: Connected
+#Number of entries in split-brain:
+
+import os
+import sys
+import subprocess
+
+def error(e):
+ '''
+ we have an error. Send an email
+ e=error string
+ '''
+ hostname = os.uname()[1]
+ #print("Error is:\n{}".format(e))
+ HEADER="Error Message from {}".format(hostname)
+ MAILTO="{{ EMAIL_DEST }}"
+ command="echo -e \"{}\" | mail -s \"{}\" \"{}\" ".format(e,HEADER,MAILTO)
+ #print("Command is:\n{}".format(command))
+ os.system(command)
+
+def Test1():
+ '''
+ This tests looks for the word "split brain" in a general query
+ '''
+ COMMAND="sudo gluster volume heal gv info"
+ try:
+ result = subprocess.check_output(COMMAND.split()).decode('UTF-8')
+ #print("Test1 Output is {}".format(result))
+ outList=result.splitlines()
+ for line in outList:
+ #print("Test1 line is {}".format(line))
+ if 'split' in line:
+ error(COMMAND+"\n"+outlist)
+ except subprocess.CalledProcessError as error:
+ error("Test1: \nPlease contact mcc-help@monash.edu \n error code", error.returncode, error.output)
+ sys.exit(1)
+def Test2():
+ '''
+ This test checks for number of split brain entries
+
+ sudo gluster volume heal gv info split-brain
+ Brick 172.16.227.169:/gbrick/brick
+ Status: Connected
+ Number of entries in split-brain: 0
+ '''
+ COMMAND="sudo gluster volume heal gv info split-brain"
+ try:
+ result = subprocess.check_output(COMMAND.split()).decode('UTF-8')
+ #print("Test2 Output is {}".format(result))
+ outList=result.splitlines()
+ for line in outList:
+ #print("Line is {}".format(line))
+ if 'Number of entries in split-brain' in line:
+ split=line.split(':')
+ if len(split)!=2:
+ error("Logic error in Test2: split is {}".format(split))
+ sys.exit(1)
+ NoOfSplitBrains=int(split[1])
+ #print("Number of Split Brains is {}".format(NoOfSplitBrains))
+ if (NoOfSplitBrains!=0):
+ error("Number of Split Brains is {}".format(NoOfSplitBrains))
+ except subprocess.CalledProcessError as error:
+ error("Test1: \nPlease contact mcc-help@monash.edu \n error code", error.returncode, error.output)
+ sys.exit(1)
+
+def main():
+ #error("Simon test")
+ #sys.exit(0)
+ Test1()
+ Test2()
+
+if __name__ == "__main__":
+ main()
--
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