blob: 29ad9fac34dfeee24521c2deabd61f0c97c77494 (
plain)
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
198
|
#!/bin/bash
SCRIPT="$0"
OPTION="$1"
VM="$2"
DIR="qemu"
USER="user"
CORES="4"
MEMORY="4G"
DEVICE="virtio-net-pci,netdev=net0"
HDA_URL="https://cloud.debian.org/images/cloud/trixie/latest"
X64="X64"
A64="A64"
NAMES=("$X64" "$A64")
declare -A QEMU=(
[$X64]="qemu-system-x86_64"
[$A64]="qemu-system-aarch64"
)
declare -A HDA=(
[$X64]="debian-13-nocloud-amd64.qcow2"
[$A64]="debian-13-nocloud-arm64.qcow2"
)
declare -A BIOS=(
[$X64]="/usr/share/edk2/ovmf/OVMF_CODE.fd"
[$A64]="/usr/share/edk2/aarch64/QEMU_EFI.fd"
)
declare -A SSH_PORTS=(
[$X64]="2222"
[$A64]="2223"
)
declare -A PID_FILES=(
[$X64]="$X64.pid"
[$A64]="$A64.pid"
)
declare -A MACHINES=(
[$X64]="pc"
[$A64]="virt"
)
vm_netdev() {
echo -n "user,id=net0,hostfwd=tcp::${SSH_PORTS[$1]}-:22"
}
vm_init() {
if [[ ! -d "$DIR" ]]
then
mkdir $DIR
fi
cd $DIR
if [[ ! -d "$USER" ]]
then
mkdir $USER
ssh-keygen -t ed25519 -f "$USER/$USER" -N ""
fi
for H in ${HDA[@]}
do
if [[ ! -f "$H" ]]
then
wget "$HDA_URL/$H"
fi
done
}
vm_setup() {
local PUB=$(cat "$DIR/$USER/$USER.pub")
local HEADER="COPY AND RUN IN QEMU:"
echo $HEADER
echo " sed -i 's/^%sudo\s\+ALL=(ALL:ALL)\sALL$/%sudo ALL=(ALL:ALL) NOPASSWD:ALL/' /etc/sudoers; adduser --disabled-password --gecos "" --shell /bin/bash $USER; adduser $USER sudo; su - $USER"
echo $HEADER
echo " mkdir .ssh; cd .ssh; echo \"$PUB\" > authorized_keys; chmod 600 authorized_keys; cd ~"
echo $HEADER
echo " sudo apt update; sudo apt upgrade; sudo apt install ssh make gcc gdb; sudo poweroff"
}
vm_check() {
if [[ "$VM" != "$X64" && "$VM" != "$A64" ]]
then
echo "Usage $SCRIPT $OPTION $X64|$A64"
return 1
fi
return 0
}
vm_boot() {
local PID_FILE="${PID_FILES[$1]}"
if [[ -f "$PID_FILE" ]]
then
echo "VM $1 is running"
return
fi
local CMD=(
"${QEMU[$1]}"
"-M" "${MACHINES[$1]}"
"-cpu" "max"
"-m" "$MEMORY"
"-smp" "$CORES"
"-device" "$DEVICE"
"-netdev" "$(vm_netdev $1)"
"-bios" "${BIOS[$1]}"
"-hda" "${HDA[$1]}"
"-pidfile" "$PID_FILE"
)
for ARG in "${@:2}"
do
CMD+=("$ARG")
done
"${CMD[@]}"
}
vm_cli() {
vm_check
if [[ $? != 0 ]]
then
return
fi
cd $DIR
vm_boot $VM "-nographic"
}
vm_start() {
cd $DIR
for NAME in "${NAMES[@]}"
do
vm_boot $NAME "-display" "none" "-daemonize"
done
}
vm_ssh() {
vm_check
if [[ $? != 0 ]]
then
return
fi
cd $DIR
ssh-add "$USER/$USER"
ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "$USER@localhost" -p "${SSH_PORTS[$VM]}"
}
vm_stop() {
cd $DIR
for NAME in "${NAMES[@]}"
do
local PID_FILE="${PID_FILES[$NAME]}"
if [[ -f "$PID_FILE" ]]
then
kill $(cat $PID_FILE)
fi
done
}
vm_clean() {
if [[ ! -d "$DIR" ]]
then
return
fi
local CHOICE
read -n 1 -r -s -p "Are you sure? y/n " CHOICE
if [[ "$CHOICE" != "y" ]]
then
echo
return
fi
rm -r $DIR
echo -e "\nRemoved $DIR testing directory"
}
vm_help() {
echo "Usage $SCRIPT -init|-cli|-start|-ssh|-test|-stop|-clean|-help"
}
case $OPTION in
-init)
vm_init
;;
-setup)
vm_setup
;;
-cli)
vm_cli
;;
-start)
vm_start
;;
-ssh)
vm_ssh
;;
-test)
;;
-stop)
vm_stop
;;
-clean)
vm_clean
;;
*)
vm_help
;;
esac
|
