Prevent writing security repos twice in MapR plugin

Registration of precise and lucid security repos moved
to separate bash script which is executed only in case
of non-prebuilt images. Prebuilt images already contains
this repos.

Change-Id: I9151e1213b0fa75e4c7e8e16839d269d38a3adce
Closes-Bug: #1482237

sahara/plugins/mapr/base/base_cluster_configurer.py

@@ -24,6 +24,7 @@ from sahara import context
 from sahara.i18n import _LI
 from sahara.i18n import _LW
 import sahara.plugins.mapr.abstract.configurer as ac
+from sahara.plugins.mapr.domain import distro as d
 import sahara.plugins.mapr.services.management.management as mng
 import sahara.plugins.mapr.services.mapreduce.mapreduce as mr
 from sahara.plugins.mapr.services.maprfs import maprfs
@@ -48,6 +49,7 @@ INSTALL_JAVA_SCRIPT = 'plugins/mapr/resources/install_java.sh'
 INSTALL_SCALA_SCRIPT = 'plugins/mapr/resources/install_scala.sh'
 INSTALL_MYSQL_CLIENT = 'plugins/mapr/resources/install_mysql_client.sh'
 ADD_MAPR_REPO_SCRIPT = 'plugins/mapr/resources/add_mapr_repo.sh'
+ADD_SECURITY_REPO_SCRIPT = 'plugins/mapr/resources/add_security_repos.sh'
 
 SERVICE_INSTALL_PRIORITY = [
     mng.Management(),
@@ -107,6 +109,12 @@ class BaseConfigurer(ac.AbstractConfigurer):
 
     def _prepare_bare_image(self, cluster_context, instances):
         LOG.debug('Preparing bare image')
+
+        if d.UBUNTU == cluster_context.distro:
+            LOG.debug("Installing security repos")
+            util.execute_on_instances(
+                instances, util.run_script, ADD_SECURITY_REPO_SCRIPT, 'root')
+
         d_name = cluster_context.distro.name
 
         LOG.debug('Installing Java')

sahara/plugins/mapr/resources/add_mapr_repo.sh

@@ -4,10 +4,6 @@ if [ "$1" = "Ubuntu" ]; then
     cat >> /etc/apt/sources.list.d/maprtech.list << EOF
 deb %(ubuntu_mapr_base_repo)s
 deb %(ubuntu_mapr_ecosystem_repo)s
-EOF
-    cat >> /etc/apt/sources.list.d/security_repo.list << EOF
-deb http://security.ubuntu.com/ubuntu precise-security main
-deb http://security.ubuntu.com/ubuntu lucid-security main
 EOF
     sudo apt-get install -y --force-yes wget
     wget -O - http://package.mapr.com/releases/pub/maprgpg.key | sudo apt-key add -

sahara/plugins/mapr/resources/add_security_repos.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+cat >> /etc/apt/sources.list.d/security_repo.list << EOF
+deb http://security.ubuntu.com/ubuntu precise-security main
+deb http://security.ubuntu.com/ubuntu lucid-security main
+EOF