podman-desktop.bash

#!/usr/bin/env bash
set -e

command -v multipass 2>/dev/null || die "missing multipass"
command -v podman 2>/dev/null || die "missing podman"

INSTANCE_NAME="podman"
VERSION_ID="20.04"
IDENTITY="${IDENTITY:-~/.ssh/id_rsa}"
PUBKEYFILE=${PUBKEY:-${IDENTITY}.pub}
MOUNTS=${MOUNTS:-/Users /Volumes /private /tmp /var/folders} # Docker Desktop Defaults

test -f $IDENTITY || die "cannot find identity $IDENTITY"
test -f $PUBKEYFILE || die "cannot find pubkey $PUBKEYFILE"
PUBKEY=$(cat ${PUBKEYFILE})

multipass set client.primary-name=$INSTANCE_NAME

cat <<<EOF
---
users:
  - name: ubuntu
    - ssh-authorized-keys: [ ${PUBKEY} ]

apt:
  sources:
    libcontainers:
      source: "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/ /"

package_upgrade: true
packages: ['containerd', 'fuse-overlayfs', 'podman']

runcmd:
  - systemctl --user enable --now podman.socket
  - sudo loginctl enable-linger $USER
  - sudo systemctl enable --now ssh.service
EOF | \
  multipass launch \
    --cpus 2 \
    --memory 2G \
    --disk 10G \
    --name ${INSTANCE_NAME} \
    --cloud-init - \
    ${VERSION_ID}

IP=$(multipass info ${INSTANCE_NAME} | grep IPv4: | cut -d ':' -f2 | tr -ds ' ' '')

podman system connection add $INSTANCE_NAME --identity "${IDENTITY}" ssh://ubuntu@"${IP}"/run/user/1000/podman/podman.sock

for mount in $MOUNTS; do multipass mount "$mount" $INSTANCE_NAME; done

multipass list
podman system connection list