templates: add new template for podman on ubuntu lts

templates/podman-ubuntu-lts.yaml

@@ -0,0 +1,54 @@
+# A template to use Podman on Ubuntu instead of containerd & nerdctl
+# $ limactl start ./podman-ubuntu-lts.yaml
+# $ limactl shell podman podman run -it -v $HOME:$HOME --rm docker.io/library/alpine
+
+# To run `podman` on the host (assumes podman-remote is installed):
+# $ export CONTAINER_HOST=$(limactl list podman --format 'unix://{{.Dir}}/sock/podman.sock')
+# $ podman --remote ...
+
+# To run `docker` on the host (assumes docker-cli is installed):
+# $ export DOCKER_HOST=$(limactl list podman --format 'unix://{{.Dir}}/sock/podman.sock')
+# $ docker ...
+
+minimumLimaVersion: 1.1.0
+
+base:
+- template://_images/ubuntu-lts
+- template://_default/mounts
+
+containerd:
+  system: false
+  user: false
+provision:
+- mode: system
+  script: |
+    #!/bin/bash
+    set -eux -o pipefail
+    command -v podman >/dev/null 2>&1 && test -e /etc/lima-podman && exit 0
+    export DEBIAN_FRONTEND=noninteractive
+    apt-get update
+    apt-get install -y podman && touch /etc/lima-podman
+- mode: user
+  script: |
+    #!/bin/bash
+    set -eux -o pipefail
+    systemctl --user enable --now podman.socket
+probes:
+- script: |
+    #!/bin/bash
+    set -eux -o pipefail
+    if ! timeout 30s bash -c "until command -v podman >/dev/null 2>&1; do sleep 3; done"; then
+      echo >&2 "podman is not installed yet"
+      exit 1
+    fi
+  hint: See "/var/log/cloud-init-output.log" in the guest
+portForwards:
+- guestSocket: '/run/user/{{.UID}}/podman/podman.sock'
+  hostSocket: '{{.Dir}}/sock/podman.sock'
+message: |
+  To run `podman` on the host (assumes podman-remote is installed), run the following commands:
+  ------
+  podman system connection add lima-{{.Name}} "unix://{{.Dir}}/sock/podman.sock"
+  podman system connection default lima-{{.Name}}
+  podman{{if eq .HostOS "linux"}} --remote{{end}} run quay.io/podman/hello
+  ------