Enabled "tuned-profiles-cpu-partitioning" package for overcloud image

For DPDK deployments, the host machine has to be tuned for
better performance by isolating the CPUs. Tune-d's
cpu-partitioning profile takes care of isolating host processes
to the given set of CPUs only. Enabling the package in overcloud
image.
Implements: blueprint tuned-nfv-dpdk

Change-Id: Iba16092de850b6abfc1666b1dfa7b46d399820f2

elements/overcloud-compute/install.d/package-installs-overcloud-compute

@@ -14,3 +14,4 @@ openvswitch_ovn_compute_package
 pacemaker_remote_package
 skydive_package
 skydive_agent_package
+tuned_profiles_cpu_partitioning_package

elements/overcloud-compute/pkg-map

@@ -16,6 +16,7 @@
     "openvswitch_ovn_compute_package": "openvswitch-ovn-host",
     "pacemaker_remote_package": "pacemaker-remote",
     "skydive_package": "skydive",
-    "skydive_agent_package": "skydive-agent"
+    "skydive_agent_package": "skydive-agent",
+    "tuned_profiles_cpu_partitioning_package": "tuned-profiles-cpu-partitioning"
   }
 }

elements/overcloud-compute/pre-install.d/03-centos-rt-for-tuned-only

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+if [ "${DIB_DEBUG_TRACE:-0}" -gt 0 ]; then
+    set -x
+fi
+set -eu
+set -o pipefail
+
+if [[ "$DISTRO_NAME" == *"centos"* ]]; then
+    # tuned-profiles-cpu-partitioning is installed in rhel via fast-datapath.
+    # for centos, "rt" repo is added temprovarily (later change to centos
+    # nfv repo )
+    cat << EOF > /etc/yum.repos.d/centos7-rt-tuned-only.repo
+[centos7-rt-for-tuned-only]
+name=centos rt
+baseurl=http://mirror.centos.org/centos/7/rt/x86_64/
+enabled=1
+gpgcheck=0
+includepkgs=tuned-profiles-cpu-partitioning
+EOF
+fi

releasenotes/notes/tuned-profile-6f31e97efe1c1fa8.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - Added tuned-profile-cpu-partitioning package from centos rt repo.
+    This package is essential for tuning hosts for NFV deployments.