3 # Library of shell functions
8 if [ -n "${SUDO_USER}" ] && [ "${SUDO_USER}" != 'root' ]; then
12 [ -f "${SSH_KEY}" ] || ssh-keygen -f "${SSH_KEY}" -N ''
13 install -o "${user}" -m 0600 "${SSH_KEY}" /tmp/
20 wget -P /tmp -nc "${base_image}"
24 # clean up existing nodes
25 for node in $(virsh list --name | grep -P '\w{3}\d{2}'); do
26 virsh destroy "${node}"
28 for node in $(virsh list --name --all | grep -P '\w{3}\d{2}'); do
29 virsh undefine --nvram "${node}"
38 get_base_image "${base_image}"
39 envsubst < user-data.template > user-data.sh
41 for node in "${vnodes[@]}"; do
42 # create/prepare images
43 ./create-config-drive.sh -k "${SSH_KEY}.pub" -u user-data.sh \
44 -h "${node}" "images/mcp_${node}.iso"
45 cp "/tmp/${base_image/*\/}" "images/mcp_${node}.qcow2"
46 qemu-img resize "images/mcp_${node}.qcow2" 100G
51 local -n vnode_networks=$1
52 # create required networks
53 for net in "${vnode_networks[@]}"; do
54 if virsh net-info "${net}" >/dev/null 2>&1; then
55 virsh net-destroy "${net}"
56 virsh net-undefine "${net}"
58 # in case of custom network, host should already have the bridge in place
59 if [ -f "net_${net}.xml" ]; then
60 virsh net-define "net_${net}.xml"
61 virsh net-autostart "${net}"
62 virsh net-start "${net}"
69 local -n vnodes_ram=$2
70 local -n vnodes_vcpus=$3
71 local -n vnode_networks=$4
73 # prepare network args
75 for net in "${vnode_networks[@]}"; do
77 # in case of custom network, host should already have the bridge in place
78 if [ ! -f "net_${net}.xml" ]; then
81 net_args="${net_args} --network ${net_type}=${net},model=virtio"
84 # AArch64: prepare arch specific arguments
85 local virt_extra_args=""
86 if [ "$(uname -i)" = "aarch64" ]; then
87 # No Cirrus VGA on AArch64, use vga std
88 virt_extra_args="$virt_extra_args --video=vga"
91 # create vms with specified options
92 for node in "${vnodes[@]}"; do
93 # shellcheck disable=SC2086
94 virt-install --name "${node}" \
95 --ram "${vnodes_ram[$node]}" --vcpus "${vnodes_vcpus[$node]}" \
96 --cpu host-passthrough --accelerate ${net_args} \
97 --disk path="$(pwd)/images/mcp_${node}.qcow2",format=qcow2,bus=virtio,cache=none,io=native \
98 --os-type linux --os-variant none \
99 --boot hd --vnc --console pty --autostart --noreboot \
100 --disk path="$(pwd)/images/mcp_${node}.iso",device=cdrom \
106 update_pxe_network() {
107 local -n vnode_networks=$1
108 if virsh net-info "${vnode_networks[0]}" >/dev/null 2>&1; then
109 # set static ip address for salt master node, only if managed via virsh
110 # NOTE: below expr assume PXE network is always the first in domiflist
111 virsh net-update "${vnode_networks[0]}" add ip-dhcp-host \
112 "<host mac='$(virsh domiflist cfg01 | awk '/network/ {print $5; exit}')' name='cfg01' ip='${SALT_MASTER}'/>" --live
120 for node in "${vnodes[@]}"; do
121 virsh start "${node}"
127 local total_attempts=60
132 echo '[INFO] Attempting to get into Salt master ...'
134 # wait until ssh on Salt master is available
135 while ((attempt <= total_attempts)); do
136 # shellcheck disable=SC2086
137 ssh ${SSH_OPTS} "ubuntu@${SALT_MASTER}" uptime
139 0) echo "${attempt}> Success"; break ;;
140 *) echo "${attempt}/${total_attempts}> ssh server ain't ready yet, waiting for ${sleep_time} seconds ..." ;;
155 fs="$(echo @|tr @ '\034')"
156 sed -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
157 -e "s|^\($s\)\($w\)$s[:-]$s\(.*\)$s\$|\1$fs\2$fs\3|p" "$1" |
159 indent = length($1)/2;
161 for (i in vname) {if (i > indent) {delete vname[i]}}
162 if (length($3) > 0) {
163 vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
164 printf("%s%s%s=(\"%s\")\n", "'"$prefix"'",vn, $2, $3);