[copr] polishing keygen playbook; install instant-instance-killer script;

inventory/host_vars/copr-be-dev.cloud.fedoraproject.org

@@ -13,4 +13,3 @@ tcp_ports: ['22', '80', '443']
 # Copr vars
 copr_hostbase: copr-be-dev
 _copr_be_conf: copr-be.conf-dev
-signer_host: 209.132.184.124

inventory/host_vars/copr-be.cloud.fedoraproject.org

@@ -29,5 +29,3 @@ copr_hostbase: copr-be
 
 host_backup_targets: ['/var/lib/copr/public_html/results']
 _copr_be_conf: copr-be.conf
-# IP of copr-keygen.cloud.fedoraproject.org
-signer_host: 209.132.184.159

roles/copr/backend/files/instant-instance-killer.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+source /home/copr/cloud/ec2rc.sh
+
+/bin/euca-describe-instances | grep INSTANCE | while read line; do
+    id="$(echo $line | cut -d' ' -f2)"
+    state="$(echo $line | cut -d' ' -f6)"
+    if [[ "$state" == "error" ]]; then
+        /bin/euca-terminate-instances "$id"
+    fi
+done

roles/copr/backend/tasks/main.yml

@@ -136,6 +136,8 @@
   copy: src="delete-forgotten-instances.cron" dest=/etc/cron.daily/delete-forgotten-instances owner=root group=root mode=755
   when: not devel
 
-- name: add  sign machine address into the  sign.conf
+- name: install script to kill VMs in error state
-  lineinfile: "dest=/etc/sign.conf regexp='^server' line='server: {{ signer_host }}'"
+  copy: src="instant-instance-killer.sh" dest="/root/"
 
+- cron: name="kill VMs in error state" minute="*/15"  job="/root/instant-instance-killer.sh"
+  when: not devel