examples: update Ubuntu from 20.04 to 22.04

nomad.yaml is still pinned to 20.04, as it does not seem to support
cgroup v2 yet (Roblox/nomad-driver-containerd PR 133)

Signed-off-by: Akihiro Suda <[email protected]>

Author: AkihiroSuda

examples/faasd.yaml

@@ -17,20 +17,20 @@
 #
 # This example requires Lima v0.7.0 or later.
 
-# Image is set to focal (20.04 LTS) for long-term stability
+# Image is set to jammy (22.04 LTS) for long-term stability
 images:
 # Try to use release-yyyyMMdd image if available. Note that release-yyyyMMdd will be removed after several months.
-- location: "https://cloud-images.ubuntu.com/releases/20.04/release-20220302/ubuntu-20.04-server-cloudimg-amd64.img"
+- location: "https://cloud-images.ubuntu.com/releases/22.04/release-20220420/ubuntu-22.04-server-cloudimg-amd64.img"
   arch: "x86_64"
-  digest: "sha256:243157ea0390890d6e60ce5e08e0249b16e23b6b313b63aed50f39f92b020afe"
-- location: "https://cloud-images.ubuntu.com/releases/20.04/release-20220302/ubuntu-20.04-server-cloudimg-arm64.img"
+  digest: "sha256:de5e632e17b8965f2baf4ea6d2b824788e154d9a65df4fd419ec4019898e15cd"
+- location: "https://cloud-images.ubuntu.com/releases/22.04/release-20220420/ubuntu-22.04-server-cloudimg-arm64.img"
   arch: "aarch64"
-  digest: "sha256:fb2b4efdbf0011bd2a9fd49e9d31efdd252966c889f07b5d246351ec5734a329"
+  digest: "sha256:66224c7fed99ff5a5539eda406c87bbfefe8af6ff6b47d92df3187832b5b5d4f"
 # Fallback to the latest release image.
 # Hint: run `limactl prune` to invalidate the cache
-- location: "https://cloud-images.ubuntu.com/releases/20.04/release/ubuntu-20.04-server-cloudimg-amd64.img"
+- location: "https://cloud-images.ubuntu.com/releases/22.04/release/ubuntu-22.04-server-cloudimg-amd64.img"
   arch: "x86_64"
-- location: "https://cloud-images.ubuntu.com/releases/20.04/release/ubuntu-20.04-server-cloudimg-arm64.img"
+- location: "https://cloud-images.ubuntu.com/releases/22.04/release/ubuntu-22.04-server-cloudimg-arm64.img"
   arch: "aarch64"
 
 # Mounts are disabled in this example, but can be enabled optionally.

examples/k8s.yaml

@@ -16,17 +16,17 @@
 # Image is set to focal (20.04 LTS) for long-term stability
 images:
 # Try to use release-yyyyMMdd image if available. Note that release-yyyyMMdd will be removed after several months.
-- location: "https://cloud-images.ubuntu.com/releases/20.04/release-20220302/ubuntu-20.04-server-cloudimg-amd64.img"
+- location: "https://cloud-images.ubuntu.com/releases/22.04/release-20220420/ubuntu-22.04-server-cloudimg-amd64.img"
   arch: "x86_64"
-  digest: "sha256:243157ea0390890d6e60ce5e08e0249b16e23b6b313b63aed50f39f92b020afe"
-- location: "https://cloud-images.ubuntu.com/releases/20.04/release-20220302/ubuntu-20.04-server-cloudimg-arm64.img"
+  digest: "sha256:de5e632e17b8965f2baf4ea6d2b824788e154d9a65df4fd419ec4019898e15cd"
+- location: "https://cloud-images.ubuntu.com/releases/22.04/release-20220420/ubuntu-22.04-server-cloudimg-arm64.img"
   arch: "aarch64"
-  digest: "sha256:fb2b4efdbf0011bd2a9fd49e9d31efdd252966c889f07b5d246351ec5734a329"
+  digest: "sha256:66224c7fed99ff5a5539eda406c87bbfefe8af6ff6b47d92df3187832b5b5d4f"
 # Fallback to the latest release image.
 # Hint: run `limactl prune` to invalidate the cache
-- location: "https://cloud-images.ubuntu.com/releases/20.04/release/ubuntu-20.04-server-cloudimg-amd64.img"
+- location: "https://cloud-images.ubuntu.com/releases/22.04/release/ubuntu-22.04-server-cloudimg-amd64.img"
   arch: "x86_64"
-- location: "https://cloud-images.ubuntu.com/releases/20.04/release/ubuntu-20.04-server-cloudimg-arm64.img"
+- location: "https://cloud-images.ubuntu.com/releases/22.04/release/ubuntu-22.04-server-cloudimg-arm64.img"
   arch: "aarch64"
 
 # Mounts are disabled in this example, but can be enabled optionally.

examples/nomad.yaml

@@ -10,6 +10,7 @@
 # This example requires Lima v0.7.0 or later.
 
 # Image is set to focal (20.04 LTS) for long-term stability
+# TODO: Upgrade to 22.04 LTS when nomad-driver-containerd supports cgroup v2: https://github.com/Roblox/nomad-driver-containerd/pull/133
 images:
 # Try to use release-yyyyMMdd image if available. Note that release-yyyyMMdd will be removed after several months.
 - location: "https://cloud-images.ubuntu.com/releases/20.04/release-20220302/ubuntu-20.04-server-cloudimg-amd64.img"