From 50afb7f43c974fae3344ddd3cc22ff9130b8fa16 Mon Sep 17 00:00:00 2001
From: František Zatloukal <fzatlouk@redhat.com>
Date: Feb 14 2018 10:17:31 +0000
Subject: Kill zombie VMs from ImageFactory


---

diff --git a/roles/taskotron/imagefactory/files/imagefactory-kill-zombie b/roles/taskotron/imagefactory/files/imagefactory-kill-zombie
new file mode 100755
index 0000000..038589a
--- /dev/null
+++ b/roles/taskotron/imagefactory/files/imagefactory-kill-zombie
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+PROCESS_IDENTIFICATOR='/usr/bin/qemu-system-x86_64 -machine accel=kvm -name guest=factory-build'
+
+if [ "$1" == "" ]; then
+    echo "Please, specify a time that how long a process has to be running to be killed (in minutes)"
+    exit
+fi
+
+
+# Check if we have any process matching PROCESS_IDENTIFICATOR
+while (( $(pgrep -o -f "$PROCESS_IDENTIFICATOR") )); do
+    # Get PID of the longest (pgrep -o) running matched process
+    if (( $(ps -o etimes= -p $(pgrep -o -f "$PROCESS_IDENTIFICATOR")) >= $1*60)); then
+        pgrep -o -f "$PROCESS_IDENTIFICATOR" | xargs kill; 
+    else
+        # We can exit if the oldest matching process wasn't old enough to be killed :)
+        exit
+    fi
+done
\ No newline at end of file
diff --git a/roles/taskotron/imagefactory/tasks/main.yml b/roles/taskotron/imagefactory/tasks/main.yml
index 85a5ec8..4788bbb 100644
--- a/roles/taskotron/imagefactory/tasks/main.yml
+++ b/roles/taskotron/imagefactory/tasks/main.yml
@@ -13,6 +13,9 @@
 - name: copy oz.cfg config file
   copy: src=oz.cfg dest=/etc/oz/oz.cfg owner=root group=root mode=0644
 
+- name: copy script to kill zombie ImageFactory VMs
+  copy: src=imagefactory-kill-zombie dest=/usr/local/bin owner=root group=root mode=0744
+
 - name: hotfix imagefactory's REST api to allow file download
   copy: src=hotfix_imgfac_RESTv2.py dest=/usr/lib/python2.7/site-packages/imgfac/rest/RESTv2.py owner=root group=root mode=0644
 
@@ -72,3 +75,9 @@
     name: "Prune old builds in ImageFactory"
     special_time: daily
     job: '/var/lib/fedoraqa/base_images/prune_images/prune_images.py imgfac-old --config /etc/taskotron_base_images/config_server.ini --keep 3  > /dev/null'
+
+- name: Create cronjob to kill zombie VMs from ImageFactory
+  cron:
+    name: "kill zombie VMs from ImageFactory"
+    special_time: daily
+    job: 'imagefactory-kill-zombie'