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
|
#!/bin/bash
#
# Library of shell functions
#
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 ''
install -D -o "${user}" -m 0600 "${mcp_ssh_key}" "${SSH_KEY}"
}
get_base_image() {
local base_image=$1
local image_dir=$2
mkdir -p "${image_dir}"
wget -P "${image_dir}" -N "${base_image}"
}
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 $(virsh list --name --all | grep -P '\w{3}\d{2}'); do
virsh undefine --nvram "${node}"
done
}
prepare_vms() {
local -n vnodes=$1
local base_image=$2
local image_dir=$3
cleanup_vms
get_base_image "${base_image}" "${image_dir}"
envsubst '${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
}
create_networks() {
local -n vnode_networks=$1
# create required networks, including constant "mcpcontrol"
# FIXME(alav): since we renamed "pxe" to "mcpcontrol", we need to make sure
# we delete the old "pxe" virtual network, or it would cause IP conflicts.
for net in "pxe" "mcpcontrol" "${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" ]; then
virsh net-define "net_${net}.xml"
virsh net-autostart "${net}"
virsh net-start "${net}"
fi
done
}
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 "${vnode_networks[@]:1}"; do
net_type="network"
# in case of custom network, host should already have the bridge in place
if [ ! -f "net_${net}.xml" ]; then
net_type="bridge"
fi
net_args="${net_args} --network ${net_type}=${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 \
${virt_extra_args}
done
}
update_mcpcontrol_network() {
# set static ip address for salt master node, MaaS node
# shellcheck disable=SC2155
local cmac=$(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
}
start_vms() {
local -n vnodes=$1
# start vms
for node in "${vnodes[@]}"; do
virsh start "${node}"
sleep $[RANDOM%5+1]
done
}
check_connection() {
local total_attempts=60
local sleep_time=5
local attempt=1
set +e
echo '[INFO] Attempting to get into Salt master ...'
# wait until ssh on Salt master is available
while ((attempt <= 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
((attempt+=1))
done
set -e
}
parse_yaml() {
local prefix=$2
local s
local w
local fs
s='[[:space:]]*'
w='[a-zA-Z0-9_]*'
fs="$(echo @|tr @ '\034')"
sed -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'
}
|
