Adding prep script for Fuel Deployment

Change-Id: If9bf1e1de27a0564a7d6fd0184dc80073bc060e6
Signed-off-by: Szilard Cserey <szilard.cserey@ericsson.com>
(cherry picked from commit c4a78e86d6d0eafb754a2bab3323d117ae507494)

2 files changed, 178 insertions, 1 deletions

diff --git a/common/ci/clean.sh b/common/ci/clean.sh
index 7842762..bb47479 100755
--- a/common/ci/clean.sh
+++ b/common/ci/clean.sh
@@ -215,7 +215,7 @@ if rpm -qa | grep -iE 'libvirt|kvm'; then
   fi
   echo "${blue}Removing libvirt and kvm packages"
   yum -y remove libvirt-*
-  yum -y remove qemu-kvm-*
+  yum -y remove *qemu*
 else
   echo "${blue}libvirt/KVM is not installed${reset}"
 fi
diff --git a/common/ci/setup.sh b/common/ci/setup.sh
new file mode 100644
index 0000000..73b0aa6
--- /dev/null
+++ b/common/ci/setup.sh
@@ -0,0 +1,177 @@
+#!/usr/bin/env bash
+
+#Script that install prerequisites
+#author: Szilard Cserey (szilard.cserey@ericsson.com)
+#
+#Installs qemu-kvm, libvirt and prepares networking for Fuel VM
+
+##VARS
+reset=`tput sgr0`
+blue=`tput setaf 4`
+red=`tput setaf 1`
+green=`tput setaf 2`
+interface='enp7s0'
+pxe_bridge='pxebr'
+fuel_gw_ip='10.20.0.1/16'
+##END VARS
+
+##FUNCTIONS
+###check whether qemu-kvm is installed, otherwise install it
+install_qemu_kvm() {
+  echo "${blue}Checking whether qemu-kvm is installed, otherwise install it${reset}"
+  if ! rpm -qa | grep -iE 'qemu-kvm'; then
+    echo "${blue}qemu-kvm is not installed, installing...${reset}"
+    yum -y install qemu-kvm
+  else
+    echo "${green}OK!${reset}"
+  fi
+}
+
+###check whether libvirt is installed, otherwise install it
+install_libvirt() {
+  echo "${blue}Checking whether libvirt is installed, otherwise install it${reset}"
+  if ! rpm -qa | grep -iE 'libvirt'; then
+    echo "${blue}libvirt is not installed, installing...${reset}"
+    yum -y install libvirt
+  else
+    echo "${green}OK!${reset}"
+  fi
+}
+
+###check whether kvm kernel module is loaded, otherwise load it
+load_kvm_kernel_mod() {
+  echo "${blue}Checking whether kvm kernel module is loaded, otherwise load it${reset}"
+  if ! lsmod | grep -iE 'kvm'; then
+    if [[ `lscpu | grep 'Vendor ID' | awk 'BEGIN { FS = ":" } ; {print $2}' | tr -d ' '` == 'GenuineIntel' ]]; then
+      echo "${blue}Intel processor identified, loading kernel module kvm-intel${reset}"
+      kernel_mod='kvm-intel'
+      modprobe ${kernel_mod}
+    fi
+    if [[ `lscpu | grep 'Vendor ID' | awk 'BEGIN { FS = ":" } ; {print $2}' | tr -d ' '` == 'AuthenticAMD' ]]; then
+      echo "${blue}AMD processor identified, loading kernel module kvm-amd${reset}"
+      kernel_mod='kvm-amd'
+      modprobe ${kernel_mod}
+    fi
+    if ! lsmod | grep -iE 'kvm'; then
+      echo "${red}Failed to load kernel module ${kernel_mod}!${reset}"
+      exit 1
+    fi
+  else
+    echo "${green}OK!${reset}"
+  fi
+}
+
+###check whether libvirtd service is running otherwise start it
+start_libvirtd_service() {
+  echo "${blue}Checking whether libvirtd service is running otherwise start it${reset}"
+  if ! sudo systemctl status libvirtd | grep -iE 'active \(running\)'; then
+    echo "${blue}starting libvirtd service${reset}"
+    systemctl start libvirtd
+    if ! sudo systemctl status libvirtd | grep -iE 'active \(running\)'; then
+      echo "${red}Failed to start libvirtd service!${reset}"
+      exit 1
+    fi
+  else
+    echo "${green}OK!${reset}"
+  fi
+}
+
+#Check whether interface is UP
+check_interface() {
+  if [ -z $1 ]; then
+    echo "${red}Cannot bring UP, No interface specified${reset}"
+    exit 1
+  fi
+  local interface=$1
+  echo "${blue}Checking whether interface ${interface} is UP${reset}"
+  link_state=$(ip link show ${interface} | grep -oP 'state \K[^ ]+')
+  if [[ ${link_state} != 'UP' ]]; then
+    echo "${blue}${interface} state is ${link_state}. Bringing it UP!${reset}"
+    ip link set dev ${interface} up
+    link_state=$(ip link show ${interface} | grep -oP 'state \K[^ ]+')
+    if [[ ${link_state} != 'UP' ]]; then
+      echo "${red}Could not bring UP interface ${interface} link state is ${link_state}${reset}"
+      exit 1
+    fi
+  else
+    echo "${green}OK!${reset}"
+  fi
+}
+
+setup_pxe_bridge() {
+  #Check whether base interface exists
+  echo "${blue}Checking whether base interface ${interface} exists${reset}"
+  if ! ip link show ${interface}; then
+    echo "${red}Base interface ${interface} does not exists!${reset}"
+    exit 1
+  else
+    echo "${green}OK!${reset}"
+  fi
+
+  #Check whether base interface is UP
+  check_interface ${interface}
+
+  pxe_vid=0
+  pxe_interface="${interface}.${pxe_vid}"
+
+  #Check whether VLAN 0 (PXE) interface exists
+  echo "${blue}Checking whether VLAN 0 (PXE) interface ${pxe_interface} exists${reset}"
+  if ! ip link show ${pxe_interface}; then
+    echo "${blue}Creating  VLAN 0 (PXE) interface ${pxe_interface}${reset}"
+    ip link add link ${interface} name ${pxe_interface} type vlan id ${pxe_vid}
+  else
+    echo "${green}OK!${reset}"
+  fi
+
+  #Check whether VLAN 0 (PXE) interface is UP
+  check_interface ${pxe_interface}
+
+  #Check whether PXE bridge exists
+  echo "${blue}Checking whether PXE bridge ${pxe_bridge} exists${reset}"
+  if brctl show ${pxe_bridge} | grep 'No such device'; then
+    echo "${blue}Creating PXE bridge ${pxe_bridge}${reset}"
+    brctl addbr ${pxe_bridge}
+  else
+    echo "${green}OK!${reset}"
+  fi
+
+  #Check whether PXE bridge is UP
+  check_interface ${pxe_bridge}
+
+  #Add VLAN 0 (PXE) interface to PXE bridge
+  echo "${blue}Checking whether VLAN 0 (PXE) interface ${pxe_interface} is added to PXE bridge ${pxe_bridge} exists${reset}"
+  if ! brctl show ${pxe_bridge} | grep ${pxe_interface}; then
+    echo "${blue}Adding VLAN 0 (PXE) interface ${pxe_interface} to PXE bridge ${pxe_bridge}${reset}"
+    brctl addif ${pxe_bridge} ${pxe_interface}
+    if ! brctl show ${pxe_bridge} | grep ${pxe_interface}; then
+      echo "${red}Could not add VLAN 0 (PXE) interface ${pxe_interface} to PXE bridge ${pxe_bridge}${reset}"
+      exit 1
+    fi
+  else
+    echo "${green}OK!${reset}"
+  fi
+
+  #Add Fuel Gateway IP Address to PXE bridge
+  echo "${blue}Checking whether Fuel Gateway IP Address ${fuel_gw_ip} is assigned to PXE bridge ${pxe_bridge}${reset}"
+  if ! ip addr show ${pxe_bridge} | grep ${fuel_gw_ip}; then
+    echo "${blue}Adding Fuel Gateway IP Address ${fuel_gw_ip} to PXE bridge ${pxe_bridge}${reset}"
+    sudo ip addr add ${fuel_gw_ip} dev ${pxe_bridge}
+    if ! ip addr show ${pxe_bridge} | grep ${fuel_gw_ip}; then
+      echo "${red}Could not add Fuel Gateway IP Address ${fuel_gw_ip} to PXE bridge ${pxe_bridge}${reset}"
+      exit 1
+    fi
+  else
+    echo "${green}OK!${reset}"
+  fi
+}
+##END FUNCTIONS
+
+main() {
+  install_qemu_kvm
+  install_libvirt
+  load_kvm_kernel_mod
+  start_libvirtd_service
+  setup_pxe_bridge
+}
+
+main "$@"