diff options
| -rwxr-xr-x | common/ci/clean.sh | 2 | ||||
| -rw-r--r-- | common/ci/setup.sh | 177 |
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 "$@" |