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Rômulo Collopy
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‎scripts/vm.sh

Lines changed: 120 additions & 120 deletions
Original file line numberDiff line numberDiff line change
@@ -22,21 +22,21 @@ VM_RAM=2048
2222
SHARED_FOLDER="/var/lib/libvirt/shared/${VM_NAME}"
2323

2424
function log() {
25-
echo
26-
echo
27-
echo "[$(date --iso=seconds)] $@"
25+
echo
26+
echo
27+
echo "[$(date --iso=seconds)] $@"
2828
}
2929

3030
function vm_create() {
31-
log "Installing system packages"
32-
install_libs
33-
config_permissions
34-
qemu_connect
35-
create_shared_folder
36-
download_image
37-
38-
log "Creating cloud-init YAML files"
39-
cat <<EOF >"$CLOUDINIT_USER_YAML"
31+
log "Installing system packages"
32+
install_libs
33+
config_permissions
34+
qemu_connect
35+
create_shared_folder
36+
download_image
37+
38+
log "Creating cloud-init YAML files"
39+
cat <<EOF > "$CLOUDINIT_USER_YAML"
4040
#cloud-config
4141
4242
locale: en_US
@@ -67,154 +67,154 @@ runcmd:
6767
- echo 'LANG=en_US.UTF-8' > /etc/default/locale
6868
- locale-gen
6969
EOF
70-
cat <<EOF >"$CLOUDINIT_META_YAML"
70+
cat <<EOF > "$CLOUDINIT_META_YAML"
7171
instance-id: $VM_NAME
7272
local-hostname: $VM_NAME
7373
EOF
7474

75-
log "Creating overlay qcow2 image"
76-
qemu-img create -f qcow2 -F qcow2 -b "$DEBIAN_QCOW2" "$OVERLAY_QCOW2" "$OVERLAY_DISK_SIZE"
77-
78-
log "Creating virtual machine"
79-
80-
if is_gentoo; then
81-
mkdir /var/lib/libvirt/shared/debian12-pydokku
82-
mkdir /var/lib/libvirt/boot
83-
fi
84-
85-
virt-install \
86-
--connect "qemu:///system" \
87-
--name "$VM_NAME" \
88-
--memory $VM_RAM \
89-
--vcpus $VM_VCPUS \
90-
--os-variant debian12 \
91-
--disk "path=$OVERLAY_QCOW2,format=qcow2,bus=virtio" \
92-
--filesystem "source.dir=${SHARED_FOLDER},target.dir=host_shared,driver.type=virtiofs" \
93-
--memorybacking "source.type=memfd,access.mode=shared" \
94-
--cloud-init "meta-data=$CLOUDINIT_META_YAML,disable=on" \
95-
--cloud-init "user-data=$CLOUDINIT_USER_YAML,disable=on" \
96-
--network "network=default,model=virtio" \
97-
--graphics "none" \
98-
--console "pty,target_type=serial" \
99-
--boot hd \
100-
--noautoconsole
101-
102-
log "Waiting for the VM network to be up..."
103-
ip=$(vm_wait_for_ip)
104-
echo "VM IP address: $ip"
105-
echo "Use: ssh $DEFAULT_USERNAME@$ip (password: $DEFAULT_PASSWORD)"
75+
log "Creating overlay qcow2 image"
76+
qemu-img create -f qcow2 -F qcow2 -b "$DEBIAN_QCOW2" "$OVERLAY_QCOW2" "$OVERLAY_DISK_SIZE"
77+
78+
log "Creating virtual machine"
79+
80+
if is_gentoo; then
81+
mkdir /var/lib/libvirt/shared/debian12-pydokku
82+
mkdir /var/lib/libvirt/boot
83+
fi
84+
85+
virt-install \
86+
--connect "qemu:///system" \
87+
--name "$VM_NAME" \
88+
--memory $VM_RAM \
89+
--vcpus $VM_VCPUS \
90+
--os-variant debian12 \
91+
--disk "path=$OVERLAY_QCOW2,format=qcow2,bus=virtio" \
92+
--filesystem "source.dir=${SHARED_FOLDER},target.dir=host_shared,driver.type=virtiofs" \
93+
--memorybacking "source.type=memfd,access.mode=shared" \
94+
--cloud-init "meta-data=$CLOUDINIT_META_YAML,disable=on" \
95+
--cloud-init "user-data=$CLOUDINIT_USER_YAML,disable=on" \
96+
--network "network=default,model=virtio" \
97+
--graphics "none" \
98+
--console "pty,target_type=serial" \
99+
--boot hd \
100+
--noautoconsole
101+
102+
log "Waiting for the VM network to be up..."
103+
ip=$(vm_wait_for_ip)
104+
echo "VM IP address: $ip"
105+
echo "Use: ssh $DEFAULT_USERNAME@$ip (password: $DEFAULT_PASSWORD)"
106106
}
107107

108108
function is_gentoo() {
109-
if uname -r | grep -iq "gentoo"; then
110-
true
111-
else
112-
false
113-
fi
109+
if uname -r | grep -iq "gentoo"; then
110+
true
111+
else
112+
false
113+
fi
114114
}
115115

116116
function install_libs() {
117-
if is_gentoo; then
118-
echo "Gentoo system detected. Running emerge --sync..."
119-
emerge --sync
120-
emerge --deep app-emulation/libvirt app-emulation/qemu virtiofsd app-emulation/virt-manager whois
121-
systemctl start libvirtd
122-
else
123-
echo "Non-Gentoo system detected. Running apt update..."
124-
apt update
125-
apt install -y libvirt-daemon-system virtiofsd
126-
fi
117+
if is_gentoo; then
118+
echo "Gentoo system detected. Running emerge --sync..."
119+
emerge --sync
120+
emerge --deep app-emulation/libvirt app-emulation/qemu virtiofsd app-emulation/virt-manager whois
121+
systemctl start libvirtd
122+
else
123+
echo "Non-Gentoo system detected. Running apt update..."
124+
apt update
125+
apt install -y libvirt-daemon-system virtiofsd
126+
fi
127127
}
128128

129129
function config_permissions() {
130-
log "Configuring libvirt user permission and network"
131-
if ! groups $USER | grep -q "\blibvirt\b"; then
132-
usermod -a -G libvirt $USER
133-
fi
130+
log "Configuring libvirt user permission and network"
131+
if ! groups $USER | grep -q "\blibvirt\b"; then
132+
usermod -a -G libvirt $USER
133+
fi
134134
}
135135

136136
function qemu_connect() {
137-
if ! virsh --connect "qemu:///system" net-info default | grep -q "Active:.*yes"; then
138-
virsh --connect "qemu:///system" net-start default
139-
fi
140-
if ! virsh --connect "qemu:///system" net-info default | grep -q "Autostart:.*yes"; then
141-
virsh --connect "qemu:///system" net-autostart default
142-
fi
137+
if ! virsh --connect "qemu:///system" net-info default | grep -q "Active:.*yes"; then
138+
virsh --connect "qemu:///system" net-start default
139+
fi
140+
if ! virsh --connect "qemu:///system" net-info default | grep -q "Autostart:.*yes"; then
141+
virsh --connect "qemu:///system" net-autostart default
142+
fi
143143
}
144144

145145
function create_shared_folder() {
146-
log "Creating shared folder"
147-
mkdir -p "$SHARED_FOLDER"
148-
chown -R ${SUDO_USER:-$USER}:libvirt "$SHARED_FOLDER"
146+
log "Creating shared folder"
147+
mkdir -p "$SHARED_FOLDER"
148+
chown -R ${SUDO_USER:-$USER}:libvirt "$SHARED_FOLDER"
149149
}
150150

151151
function download_image() {
152-
log "Downloading Debian cloud-ready image"
152+
log "Downloading Debian cloud-ready image"
153153

154-
if is_gentoo; then
155-
mkdir -p /var/lib/libvirt/images
156-
fi
157-
wget -c -t 0 -O "$DEBIAN_QCOW2" "$DEBIAN_QCOW2_URL"
154+
if is_gentoo; then
155+
mkdir -p /var/lib/libvirt/images
156+
fi
157+
wget -c -t 0 -O "$DEBIAN_QCOW2" "$DEBIAN_QCOW2_URL"
158158
}
159159

160160
function vm_start() {
161-
virsh --connect "qemu:///system" start "$VM_NAME"
162-
while [[ $(virsh --connect "qemu:///system" -q domstate "$VM_NAME") != "running" ]]; do
163-
sleep 0.1
164-
done
161+
virsh --connect "qemu:///system" start "$VM_NAME"
162+
while [[ $(virsh --connect "qemu:///system" -q domstate "$VM_NAME") != "running" ]]; do
163+
sleep 0.1
164+
done
165165
}
166166

167167
function vm_stop() {
168-
virsh --connect "qemu:///system" shutdown "$VM_NAME"
169-
while [[ $(virsh --connect "qemu:///system" -q domstate "$VM_NAME") != "shut off" ]]; do
170-
sleep 0.1
171-
done
168+
virsh --connect "qemu:///system" shutdown "$VM_NAME"
169+
while [[ $(virsh --connect "qemu:///system" -q domstate "$VM_NAME") != "shut off" ]]; do
170+
sleep 0.1
171+
done
172172
}
173173

174174
function vm_delete() {
175-
virsh --connect "qemu:///system" destroy "$VM_NAME" 2>/dev/null || true
176-
virsh --connect "qemu:///system" undefine "$VM_NAME" --remove-all-storage 2>/dev/null || true
177-
rm -f "$OVERLAY_QCOW2" "$CLOUDINIT_USER_YAML" "$CLOUDINIT_META_YAML"
178-
rm -rf "$SHARED_FOLDER"
175+
virsh --connect "qemu:///system" destroy "$VM_NAME" 2>/dev/null || true
176+
virsh --connect "qemu:///system" undefine "$VM_NAME" --remove-all-storage 2>/dev/null || true
177+
rm -f "$OVERLAY_QCOW2" "$CLOUDINIT_USER_YAML" "$CLOUDINIT_META_YAML"
178+
rm -rf "$SHARED_FOLDER"
179179
}
180180

181181
function vm_wait_for_ip() {
182-
local VM_IP=""
183-
while [[ -z "$VM_IP" ]]; do
184-
VM_IP=$(virsh --connect "qemu:///system" -q domifaddr "$VM_NAME" | grep --color=no ipv4 | sed 's/.*ipv4\s\+//; s/\/.*//')
185-
sleep 1
186-
done
187-
echo "$VM_IP"
182+
local VM_IP=""
183+
while [[ -z "$VM_IP" ]]; do
184+
VM_IP=$(virsh --connect "qemu:///system" -q domifaddr "$VM_NAME" | grep --color=no ipv4 | sed 's/.*ipv4\s\+//; s/\/.*//')
185+
sleep 1
186+
done
187+
echo "$VM_IP"
188188
}
189189

190190
function vm_ssh() {
191-
ip=$(vm_wait_for_ip)
192-
echo "Connecting to ${ip}. Use the password: $DEFAULT_PASSWORD"
193-
ssh $DEFAULT_USERNAME@$ip
191+
ip=$(vm_wait_for_ip)
192+
echo "Connecting to ${ip}. Use the password: $DEFAULT_PASSWORD"
193+
ssh $DEFAULT_USERNAME@$ip
194194
}
195195

196196
subcommand="${1:-}"
197197
case "$subcommand" in
198-
create)
199-
vm_create
200-
;;
201-
start)
202-
vm_start
203-
;;
204-
stop)
205-
vm_stop
206-
;;
207-
ip)
208-
vm_wait_for_ip
209-
;;
210-
ssh)
211-
vm_ssh
212-
;;
213-
delete)
214-
vm_delete
215-
;;
216-
*)
217-
echo "Usage: $0 {create|start|stop|ip|delete}"
218-
exit 1
219-
;;
198+
create)
199+
vm_create
200+
;;
201+
start)
202+
vm_start
203+
;;
204+
stop)
205+
vm_stop
206+
;;
207+
ip)
208+
vm_wait_for_ip
209+
;;
210+
ssh)
211+
vm_ssh
212+
;;
213+
delete)
214+
vm_delete
215+
;;
216+
*)
217+
echo "Usage: $0 {create|start|stop|ip|delete}"
218+
exit 1
219+
;;
220220
esac

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