training-labs/labs/osbash/lib/osbash/kvm-install_base.sh

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Bash

# This bash library contains the main function that creates the base disk.
function vm_install_base {
local base_disk_name=$(get_base_disk_name)
local vm_name=base
echo >&2 "$(date) osbash vm_install starts."
if virsh_uses_kvm; then
echo -e "${CInfo:-}KVM support is available.${CReset:-}"
else
echo -e "${CError:-}No KVM support available. Using qemu.${CReset:-}"
fi
vm_delete "$vm_name"
if [ -z "${INSTALL_ISO-}" ]; then
if [ -z "$ISO_URL" ]; then
echo -e >&2 "${CMissing:-}Either ISO URL or name needed (ISO_URL, INSTALL_ISO).${CReset:-}"
exit 1
fi
find_install-iso
INSTALL_ISO=$ISO_DIR/$(get_iso_name)
fi
echo >&2 -e "${CInfo:-}Install ISO:\n\t${CData:-}$INSTALL_ISO${CReset:-}"
check_md5 "$INSTALL_ISO" "$ISO_MD5"
# Configure autostart
autostart_reset
autostart osbash/base_fixups.sh
# By default, set by lib/osbash/lib.* to something like scripts.ubuntu_base
autostart_from_config "$BASE_INSTALL_SCRIPTS"
autostart zero_empty.sh shutdown.sh
disk_create "$base_disk_name" "${BASE_DISK_SIZE:=10000}"
local console_type
if [ "$VM_UI" = "headless" ]; then
console_type="--noautoconsole"
elif [ "$VM_UI" = "vnc" ]; then
console_type="--graphics vnc,listen=0.0.0.0"
else
# gui option: should open a console viewer
console_type=""
fi
# Boot VM into distribution installer
(
source "$CONFIG_DIR/config.$vm_name"
$VIRT_INSTALL \
--disk "vol=$KVM_VOL_POOL/$base_disk_name,cache=none" \
--cdrom "$INSTALL_ISO" \
--name $vm_name \
--os-type linux \
--ram "${VM_MEM}" \
--vcpus 1 \
--virt-type kvm \
$console_type \
--wait=-1 \
&
)
local delay=10
echo >&2 "Waiting $delay seconds for VM \"$vm_name\" to come up."
conditional_sleep "$delay"
distro_start_installer "$vm_name"
echo -e >&2 "${CStatus:-}Installing operating system; waiting for reboot.${CReset:-}"
# Prevent "time stamp from the future" due to race between two sudos in
# VIRT_INSTALL (background) above and VIRSH below
sleep 1
echo >&2 "Waiting for VM to be defined."
until vm_is_running "$vm_name"; do
sleep 1
echo -n .
done
SSH_IP=$(node_to_ip "$vm_name")
echo >&2 "Waiting for ping returning from $SSH_IP."
while ! ping -c1 "$SSH_IP" > /dev/null; do
echo -n .
sleep 1
done
# Wait for ssh connection and execute scripts in autostart directory
ssh_process_autostart "$vm_name" &
# After reboot
wait_for_autofiles
echo -e >&2 "${CStatus:-}Installation done for VM ${CData:-}$vm_name${CReset:-}"
vm_wait_for_shutdown "$vm_name"
disk_compress "$base_disk_name"
# Just undefine the VM without deleting the base disk
$VIRSH undefine "$vm_name"
echo -e >&2 "${CStatus:-}Base disk created${CReset:-}"
echo >&2 -e "${CData:-}$(date) ${CStatus:-}osbash vm_install ends\n${CReset:-}"
}
# vim: set ai ts=4 sw=4 et ft=sh: