1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
#!/bin/bash
#
# Library of shell functions
#
function generate_ssh_key {
# shellcheck disable=SC2155
local mcp_ssh_key=$(basename "${SSH_KEY}")
local user=${USER}
if [ -n "${SUDO_USER}" ] && [ "${SUDO_USER}" != 'root' ]; then
user=${SUDO_USER}
fi
if [ -f "${SSH_KEY}" ]; then
cp "${SSH_KEY}" .
ssh-keygen -f "${mcp_ssh_key}" -y > "${mcp_ssh_key}.pub"
fi
[ -f "${mcp_ssh_key}" ] || ssh-keygen -f "${mcp_ssh_key}" -N ''
sudo install -D -o "${user}" -m 0600 "${mcp_ssh_key}" "${SSH_KEY}"
}
function get_base_image {
local base_image=$1
local image_dir=$2
mkdir -p "${image_dir}"
wget -P "${image_dir}" -N "${base_image}"
}
function cleanup_vms {
# clean up existing nodes
for node in $(virsh list --name | grep -P '\w{3}\d{2}'); do
virsh destroy "${node}"
done
for node in $(virsh list --name --all | grep -P '\w{3}\d{2}'); do
virsh domblklist "${node}" | awk '/^.da/ {print $2}' | \
xargs --no-run-if-empty -I{} sudo rm -f {}
virsh undefine "${node}" --remove-all-storage --nvram
done
}
function prepare_vms {
local -n vnodes=$1
local base_image=$2
local image_dir=$3
cleanup_vms
get_base_image "${base_image}" "${image_dir}"
# shellcheck disable=SC2016
envsubst '${SALT_MASTER},${CLUSTER_DOMAIN}' < \
user-data.template > user-data.sh
for node in "${vnodes[@]}"; do
# create/prepare images
./create-config-drive.sh -k "$(basename "${SSH_KEY}").pub" -u user-data.sh \
-h "${node}" "${image_dir}/mcp_${node}.iso"
cp "${image_dir}/${base_image/*\/}" "${image_dir}/mcp_${node}.qcow2"
qemu-img resize "${image_dir}/mcp_${node}.qcow2" 100G
done
}
function create_networks {
local -n vnode_networks=$1
# create required networks, including constant "mcpcontrol"
# FIXME(alav): since we renamed "pxe" to "mcpcontrol", we need to make sure
# we delete the old "pxe" virtual network, or it would cause IP conflicts.
# FIXME(alav): The same applies for "fuel1" virsh network.
for net in "fuel1" "pxe" "mcpcontrol" "${vnode_networks[@]}"; do
if virsh net-info "${net}" >/dev/null 2>&1; then
virsh net-destroy "${net}" || true
virsh net-undefine "${net}"
fi
# in case of custom network, host should already have the bridge in place
if [ -f "net_${net}.xml" ] && [ ! -d "/sys/class/net/${net}/bridge" ]; then
virsh net-define "net_${net}.xml"
virsh net-autostart "${net}"
virsh net-start "${net}"
fi
done
}
function create_vms {
local -n vnodes=$1
local -n vnodes_ram=$2
local -n vnodes_vcpus=$3
local -n vnode_networks=$4
local image_dir=$5
# AArch64: prepare arch specific arguments
local virt_extra_args=""
if [ "$(uname -i)" = "aarch64" ]; then
# No Cirrus VGA on AArch64, use vga std
virt_extra_args="$virt_extra_args --video=vga"
fi
# create vms with specified options
for node in "${vnodes[@]}"; do
# prepare network args
net_args=" --network network=mcpcontrol,model=virtio"
if [ "${node}" = "mas01" ]; then
# MaaS node's 3rd interface gets connected to PXE/Admin Bridge
vnode_networks[2]="${vnode_networks[0]}"
fi
for net in "${vnode_networks[@]:1}"; do
net_args="${net_args} --network bridge=${net},model=virtio"
done
# shellcheck disable=SC2086
virt-install --name "${node}" \
--ram "${vnodes_ram[$node]}" --vcpus "${vnodes_vcpus[$node]}" \
--cpu host-passthrough --accelerate ${net_args} \
--disk path="${image_dir}/mcp_${node}.qcow2",format=qcow2,bus=virtio,cache=none,io=native \
--os-type linux --os-variant none \
--boot hd --vnc --console pty --autostart --noreboot \
--disk path="${image_dir}/mcp_${node}.iso",device=cdrom \
--noautoconsole \
${virt_extra_args}
done
}
function update_mcpcontrol_network {
# set static ip address for salt master node, MaaS node
# shellcheck disable=SC2155
local cmac=$(virsh domiflist cfg01 2>&1| awk '/mcpcontrol/ {print $5; exit}')
# shellcheck disable=SC2155
local amac=$(virsh domiflist mas01 2>&1| awk '/mcpcontrol/ {print $5; exit}')
virsh net-update "mcpcontrol" add ip-dhcp-host \
"<host mac='${cmac}' name='cfg01' ip='${SALT_MASTER}'/>" --live
[ -z "${amac}" ] || virsh net-update "mcpcontrol" add ip-dhcp-host \
"<host mac='${amac}' name='mas01' ip='${MAAS_IP}'/>" --live
}
function start_vms {
local -n vnodes=$1
# start vms
for node in "${vnodes[@]}"; do
virsh start "${node}"
sleep $((RANDOM%5+1))
done
}
function check_connection {
local total_attempts=60
local sleep_time=5
set +e
echo '[INFO] Attempting to get into Salt master ...'
# wait until ssh on Salt master is available
# shellcheck disable=SC2034
for attempt in $(seq "${total_attempts}"); do
# shellcheck disable=SC2086
ssh ${SSH_OPTS} "ubuntu@${SALT_MASTER}" uptime
case $? in
0) echo "${attempt}> Success"; break ;;
*) echo "${attempt}/${total_attempts}> ssh server ain't ready yet, waiting for ${sleep_time} seconds ..." ;;
esac
sleep $sleep_time
done
set -e
}
function parse_yaml {
local prefix=$2
local s
local w
local fs
s='[[:space:]]*'
w='[a-zA-Z0-9_]*'
fs="$(echo @|tr @ '\034')"
sed -e 's|---||g' -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
-e "s|^\($s\)\($w\)$s[:-]$s\(.*\)$s\$|\1$fs\2$fs\3|p" "$1" |
awk -F"$fs" '{
indent = length($1)/2;
vname[indent] = $2;
for (i in vname) {if (i > indent) {delete vname[i]}}
if (length($3) > 0) {
vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
printf("%s%s%s=(\"%s\")\n", "'"$prefix"'",vn, $2, $3);
}
}' | sed 's/_=/+=/g'
}
function wait_for {
local total_attempts=$1; shift
local cmdstr=$*
local sleep_time=10
echo "[NOTE] Waiting for cmd to return success: ${cmdstr}"
# shellcheck disable=SC2034
for attempt in $(seq "${total_attempts}"); do
# shellcheck disable=SC2015
eval "${cmdstr}" && break || true
echo -n '.'; sleep "${sleep_time}"
done
}
|
