`update-template-ubuntu.sh` should detect the distro version from the template

[AkihiroSuda]

update-template-ubuntu.sh ubuntu-24.04.yaml ubuntu-24.10.yaml should automatically detect the distro version for the each of the templates.

[norio-nomura]

The current implementation is designed to retrieve the latest image for 24.04 if the image in the template is 24.04, and the latest for 24.10 if the image is 24.10.

[norio-nomura]

The current implementation is designed to retrieve the latest image for 24.04 if the image in the template is 24.04, and the latest for 24.10 if the image is 24.10.

Ah, sorry about that! I had intended to implement it that way, but I forgot that I fixed it in #2731.

[norio-nomura]

The log of updating #2755 using the current 8b2133d is as follows:

➜ ~10:56:40 20:43:57~ (update-template-debian.sh) hack/update-template-ubuntu.sh templates/ubuntu*.yaml
Processing templates/ubuntu-24.04.yaml
{
  "location": "https://cloud-images.ubuntu.com/releases/24.04/release-20241004/ubuntu-24.04-server-cloudimg-amd64.img",
  "arch": "x86_64",
  "digest": "sha256:fad101d50b06b26590cf30542349f9e9d3041ad7929e3bc3531c81ec27f2c788"
}
{
  "location": "https://cloud-images.ubuntu.com/releases/24.04/release-20241004/ubuntu-24.04-server-cloudimg-arm64.img",
  "arch": "aarch64",
  "digest": "sha256:e380b683b0c497d2a87af8a5dbe94c42eb54548fa976167f307ed8cf3944ec57"
}
{
  "location": "https://cloud-images.ubuntu.com/releases/24.04/release-20241004/ubuntu-24.04-server-cloudimg-riscv64.img",
  "arch": "riscv64",
  "digest": "sha256:d2f487bdb549ace693c8115dbc674746e3f8f7c7121b1f66216146e742dbb514"
}
{
  "location": "https://cloud-images.ubuntu.com/releases/24.04/release-20241004/ubuntu-24.04-server-cloudimg-armhf.img",
  "arch": "armv7l",
  "digest": "sha256:d5bf53f8e4a8cf6209e43fe0d894c87ba5e1e9f7f907a76cf14f71eb4446a899"
}
Image location is up-to-date: https://cloud-images.ubuntu.com/releases/24.04/release/ubuntu-24.04-server-cloudimg-amd64.img
Image location is up-to-date: https://cloud-images.ubuntu.com/releases/24.04/release/ubuntu-24.04-server-cloudimg-arm64.img
Image location is up-to-date: https://cloud-images.ubuntu.com/releases/24.04/release/ubuntu-24.04-server-cloudimg-riscv64.img
Image location is up-to-date: https://cloud-images.ubuntu.com/releases/24.04/release/ubuntu-24.04-server-cloudimg-armhf.img
Processing templates/ubuntu-24.10.yaml
Image location is up-to-date: https://cloud-images.ubuntu.com/releases/24.10/release-20241009/ubuntu-24.10-server-cloudimg-amd64.img
Image location is up-to-date: https://cloud-images.ubuntu.com/releases/24.10/release-20241009/ubuntu-24.10-server-cloudimg-arm64.img
Image location is up-to-date: https://cloud-images.ubuntu.com/releases/24.10/release-20241009/ubuntu-24.10-server-cloudimg-riscv64.img
Image location is up-to-date: https://cloud-images.ubuntu.com/releases/24.10/release-20241009/ubuntu-24.10-server-cloudimg-armhf.img
Image location is up-to-date: https://cloud-images.ubuntu.com/releases/24.10/release/ubuntu-24.10-server-cloudimg-amd64.img
Image location is up-to-date: https://cloud-images.ubuntu.com/releases/24.10/release/ubuntu-24.10-server-cloudimg-arm64.img
Image location is up-to-date: https://cloud-images.ubuntu.com/releases/24.10/release/ubuntu-24.10-server-cloudimg-riscv64.img
Image location is up-to-date: https://cloud-images.ubuntu.com/releases/24.10/release/ubuntu-24.10-server-cloudimg-armhf.img
Processing templates/ubuntu-lts.yaml
{
  "location": "https://cloud-images.ubuntu.com/releases/24.04/release-20241004/ubuntu-24.04-server-cloudimg-amd64.img",
  "arch": "x86_64",
  "digest": "sha256:fad101d50b06b26590cf30542349f9e9d3041ad7929e3bc3531c81ec27f2c788"
}
{
  "location": "https://cloud-images.ubuntu.com/releases/24.04/release-20241004/ubuntu-24.04-server-cloudimg-arm64.img",
  "arch": "aarch64",
  "digest": "sha256:e380b683b0c497d2a87af8a5dbe94c42eb54548fa976167f307ed8cf3944ec57"
}
{
  "location": "https://cloud-images.ubuntu.com/releases/24.04/release-20241004/ubuntu-24.04-server-cloudimg-riscv64.img",
  "arch": "riscv64",
  "digest": "sha256:d2f487bdb549ace693c8115dbc674746e3f8f7c7121b1f66216146e742dbb514"
}
{
  "location": "https://cloud-images.ubuntu.com/releases/24.04/release-20241004/ubuntu-24.04-server-cloudimg-armhf.img",
  "arch": "armv7l",
  "digest": "sha256:d5bf53f8e4a8cf6209e43fe0d894c87ba5e1e9f7f907a76cf14f71eb4446a899"
}
Processing templates/ubuntu.yaml
{
  "location": "https://cloud-images.ubuntu.com/releases/24.04/release-20241004/ubuntu-24.04-server-cloudimg-amd64.img",
  "arch": "x86_64",
  "digest": "sha256:fad101d50b06b26590cf30542349f9e9d3041ad7929e3bc3531c81ec27f2c788"
}
{
  "location": "https://cloud-images.ubuntu.com/releases/24.04/release-20241004/ubuntu-24.04-server-cloudimg-arm64.img",
  "arch": "aarch64",
  "digest": "sha256:e380b683b0c497d2a87af8a5dbe94c42eb54548fa976167f307ed8cf3944ec57"
}
{
  "location": "https://cloud-images.ubuntu.com/releases/24.04/release-20241004/ubuntu-24.04-server-cloudimg-riscv64.img",
  "arch": "riscv64",
  "digest": "sha256:d2f487bdb549ace693c8115dbc674746e3f8f7c7121b1f66216146e742dbb514"
}
{
  "location": "https://cloud-images.ubuntu.com/releases/24.04/release-20241004/ubuntu-24.04-server-cloudimg-armhf.img",
  "arch": "armv7l",
  "digest": "sha256:d5bf53f8e4a8cf6209e43fe0d894c87ba5e1e9f7f907a76cf14f71eb4446a899"
}