project/stub_lxc_profile.sh

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#!/bin/bash
set -eu
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cd "$(dirname "$0")"
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VIRTUAL_MACHINE=base
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LXD_HOSTNAME=
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SSDATA_VOLUME_NAME=
BACKUP_VOLUME_NAME=
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# grab any modifications from the command line.
for i in "$@"; do
case $i in
--lxd-hostname=*)
LXD_HOSTNAME="${i#*=}"
shift
;;
--vm=*)
VIRTUAL_MACHINE="${i#*=}"
shift
;;
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--ss-volume-name=*)
SSDATA_VOLUME_NAME="${i#*=}"
shift
;;
--backup-volume-name=*)
BACKUP_VOLUME_NAME="${i#*=}"
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shift
;;
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*)
echo "Unexpected option: $1"
exit 1
;;
esac
done
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# generate the custom cloud-init file. Cloud init installs and configures sshd
SSH_AUTHORIZED_KEY=$(<"$SSH_PUBKEY_PATH")
eval "$(ssh-agent -s)"
ssh-add "$SSH_HOME/id_rsa"
export SSH_AUTHORIZED_KEY="$SSH_AUTHORIZED_KEY"
export FILENAME="$LXD_HOSTNAME.yml"
mkdir -p "$PROJECT_PATH/cloud-init"
YAML_PATH="$PROJECT_PATH/cloud-init/$FILENAME"
# If we are deploying the www, we attach the vm to the underlay via macvlan.
cat > "$YAML_PATH" <<EOF
config:
EOF
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if [ "$VIRTUAL_MACHINE" = base ]; then
cat >> "$YAML_PATH" <<EOF
limits.cpu: 4
limits.memory: 4096MB
EOF
fi
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if [ "$VIRTUAL_MACHINE" = www ]; then
cat >> "$YAML_PATH" <<EOF
limits.cpu: "${WWW_SERVER_CPU_COUNT}"
limits.memory: "${WWW_SERVER_MEMORY_MB}MB"
EOF
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fi
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if [ "$VIRTUAL_MACHINE" = btcpayserver ]; then
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cat >> "$YAML_PATH" <<EOF
limits.cpu: "${BTCPAY_SERVER_CPU_COUNT}"
limits.memory: "${BTCPAY_SERVER_MEMORY_MB}MB"
EOF
fi
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# if VIRTUAL_MACHINE=base, then we doing the base image.
if [ "$VIRTUAL_MACHINE" = base ]; then
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# this is for the base image only...
cat >> "$YAML_PATH" <<EOF
user.vendor-data: |
#cloud-config
package_update: true
package_upgrade: false
package_reboot_if_required: false
preserve_hostname: false
fqdn: ${BASE_IMAGE_VM_NAME}
packages:
- curl
- ssh-askpass
- apt-transport-https
- ca-certificates
- gnupg-agent
- software-properties-common
- lsb-release
- net-tools
- htop
- rsync
- duplicity
- sshfs
- fswatch
- jq
- git
- nano
- wait-for-it
- dnsutils
- wget
groups:
- docker
users:
- name: ubuntu
groups: docker
shell: /bin/bash
lock_passwd: false
sudo: ALL=(ALL) NOPASSWD:ALL
ssh_authorized_keys:
- ${SSH_AUTHORIZED_KEY}
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EOF
if [ "$REGISTRY_URL" != "https://index.docker.io/v1" ]; then
cat >> "$YAML_PATH" <<EOF
write_files:
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- path: /etc/docker/daemon.json
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permissions: 0644
owner: root
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content: |
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{
"registry-mirrors": [
"${REGISTRY_URL}"
]
}
EOF
fi
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fi
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if [ "$VIRTUAL_MACHINE" = base ]; then
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cat >> "$YAML_PATH" <<EOF
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runcmd:
- sudo mkdir -m 0755 -p /etc/apt/keyrings
- curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
- echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list
- sudo apt-get update
- sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
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- sudo DEBIAN_FRONTEND=noninteractive apt-get install -y openssh-server
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EOF
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fi
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if [ "$VIRTUAL_MACHINE" != base ]; then
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# all other machines that are not the base image
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cat >> "$YAML_PATH" <<EOF
user.vendor-data: |
#cloud-config
apt_mirror: http://us.archive.ubuntu.com/ubuntu/
package_update: false
package_upgrade: false
package_reboot_if_required: false
preserve_hostname: true
fqdn: ${FQDN}
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resize_rootfs: false
disk_setup:
/dev/sdb:
table_type: 'gpt'
layout: true
overwrite: false
fs_setup:
- label: docker-data
filesystem: 'ext4'
device: '/dev/sdb1'
overwrite: false
mounts:
- [ sdb, /var/lib/docker ]
mount_default_fields: [ None, None, "auto", "defaults,nofail", "0", "2" ]
EOF
fi
if [ "$VIRTUAL_MACHINE" != base ]; then
cat >> "$YAML_PATH" <<EOF
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user.network-config: |
version: 2
ethernets:
enp5s0:
dhcp4: true
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dhcp4-overrides:
route-metric: 50
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match:
macaddress: ${MAC_ADDRESS_TO_PROVISION}
set-name: enp5s0
enp6s0:
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dhcp4: true
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EOF
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fi
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# All profiles get a root disk and cloud-init config.
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cat >> "$YAML_PATH" <<EOF
description: Default LXD profile for ${FILENAME}
devices:
root:
path: /
pool: ss-base
type: disk
config:
source: cloud-init:config
type: disk
EOF
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if [ "$VIRTUAL_MACHINE" != base ]; then
cat >> "$YAML_PATH" <<EOF
ss-data:
path: ${REMOTE_DATA_PATH}
pool: ss-base
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source: ${SSDATA_VOLUME_NAME}
type: disk
ss-backup:
path: ${REMOTE_BACKUP_PATH}
pool: ss-base
source: ${BACKUP_VOLUME_NAME}
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type: disk
EOF
fi
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# Stub out the network piece for the base image.
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if [ "$VIRTUAL_MACHINE" = base ]; then
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cat >> "$YAML_PATH" <<EOF
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enp6s0:
name: enp6s0
network: lxdbr0
type: nic
name: ${FILENAME}
EOF
else
# If we are deploying a VM that attaches to the network underlay.
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cat >> "$YAML_PATH" <<EOF
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enp5s0:
nictype: macvlan
parent: ${DATA_PLANE_MACVLAN_INTERFACE}
type: nic
enp6s0:
name: enp6s0
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network: ss-ovn
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type: nic
name: ${PRIMARY_DOMAIN}
EOF
fi
# let's create a profile for the BCM TYPE-1 VMs. This is per VM.
if [ "$VIRTUAL_MACHINE" = base ]; then
if ! lxc profile list --format csv --project default | grep -q "$LXD_HOSTNAME"; then
lxc profile create "$LXD_HOSTNAME" --project default
fi
# configure the profile with our generated cloud-init.yml file.
cat "$YAML_PATH" | lxc profile edit "$LXD_HOSTNAME" --project default
else
if ! lxc profile list --format csv | grep -q "$LXD_HOSTNAME"; then
lxc profile create "$LXD_HOSTNAME"
fi
# configure the profile with our generated cloud-init.yml file.
cat "$YAML_PATH" | lxc profile edit "$LXD_HOSTNAME"
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fi