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#! /usr/bin/env bash
script_dir="$(dirname $(readlink -f $0))"
nixpkgs_root="$script_dir/../../../.."
export NIX_PATH="nixpkgs=$nixpkgs_root"
cat - <<EOF
This script will locally build a NixOS image and upload it as a Custom Image
using oci-cli. Make sure that an API key for the tenancy administrator has been
added to '~/.oci'.
For more info about configuring oci-cli, please visit
https://docs.cloud.oracle.com/iaas/Content/API/Concepts/apisigningkey.htm#Required_Keys_and_OCIDs
EOF
qcow="oci-image/nixos.qcow2"
if [ ! -f "$qcow" ]; then
echo "OCI image $qcow does not exist"
echo "Building image with create-image.sh"
"$script_dir/create-image.sh"
[ -f "$qcow" ] || { echo "Build failed: image not present after build"; exit 1; }
else
echo "Using prebuilt image $qcow"
fi
cli="$(
nix-build '<nixpkgs>' \
--no-out-link \
-A oci-cli
)"
PATH="$cli/bin:$PATH"
bucket="_TEMP_NIXOS_IMAGES_$RANDOM"
echo "Creating a temporary bucket"
root_ocid="$(
oci iam compartment list \
--all \
--compartment-id-in-subtree true \
--access-level ACCESSIBLE \
--include-root \
--raw-output \
--query "data[?contains(\"id\",'tenancy')].id | [0]"
)"
bucket_ocid=$(
oci os bucket create \
-c "$root_ocid" \
--name "$bucket" \
--raw-output \
--query "data.id"
)
# Clean up bucket on script termination
trap 'echo Removing temporary bucket; oci os bucket delete --force --name "$bucket"' INT TERM EXIT
echo "Uploading image to temporary bucket"
oci os object put -bn "$bucket" --file "$qcow"
echo "Importing image as a Custom Image"
bucket_ns="$(oci os ns get --query "data" --raw-output)"
image_id="$(
oci compute image import from-object \
-c "$root_ocid" \
--namespace "$bucket_ns" \
--bucket-name "$bucket" \
--name nixos.qcow2 \
--operating-system NixOS \
--source-image-type QCOW2 \
--launch-mode PARAVIRTUALIZED \
--display-name NixOS \
--raw-output \
--query "data.id"
)"
cat - <<EOF
Image created! Please mark all available shapes as compatible with this image by
visiting the following link and by selecting the 'Edit Details' button on:
https://cloud.oracle.com/compute/images/$image_id
EOF
# Workaround until https://github.com/oracle/oci-cli/issues/399 is addressed
echo "Sleeping for 15 minutes before cleaning up files in the temporary bucket"
sleep $((15 * 60))
echo "Deleting image from bucket"
par_id="$(
oci os preauth-request list \
--bucket-name "$bucket" \
--raw-output \
--query "data[0].id"
)"
if [[ -n $par_id ]]; then
oci os preauth-request delete \
--bucket-name "$bucket" \
--par-id "$par_id"
fi
oci os object delete -bn "$bucket" --object-name nixos.qcow2 --force
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