mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-18 15:56:50 +01:00
342 lines
9.8 KiB
Bash
Executable file
342 lines
9.8 KiB
Bash
Executable file
#!/usr/bin/env nix-shell
|
|
#!nix-shell -p awscli -p jq -p qemu -i bash
|
|
# shellcheck shell=bash
|
|
#
|
|
# Future Deprecation?
|
|
# This entire thing should probably be replaced with a generic terraform config
|
|
|
|
# Uploads and registers NixOS images built from the
|
|
# <nixos/release.nix> amazonImage attribute. Images are uploaded and
|
|
# registered via a home region, and then copied to other regions.
|
|
|
|
# The home region requires an s3 bucket, and an IAM role named "vmimport"
|
|
# (by default) with access to the S3 bucket. The name can be
|
|
# configured with the "service_role_name" variable. Configuration of the
|
|
# vmimport role is documented in
|
|
# https://docs.aws.amazon.com/vm-import/latest/userguide/vmimport-image-import.html
|
|
|
|
# set -x
|
|
set -euo pipefail
|
|
|
|
var () { true; }
|
|
|
|
# configuration
|
|
var ${state_dir:=$HOME/amis/ec2-images}
|
|
var ${home_region:=eu-west-1}
|
|
var ${bucket:=nixos-amis}
|
|
var ${service_role_name:=vmimport}
|
|
|
|
var ${regions:=eu-west-1 eu-west-2 eu-west-3 eu-central-1 eu-north-1
|
|
us-east-1 us-east-2 us-west-1 us-west-2
|
|
ca-central-1
|
|
ap-southeast-1 ap-southeast-2 ap-northeast-1 ap-northeast-2
|
|
ap-south-1 ap-east-1
|
|
sa-east-1}
|
|
|
|
regions=($regions)
|
|
|
|
log() {
|
|
echo "$@" >&2
|
|
}
|
|
|
|
if [ "$#" -ne 1 ]; then
|
|
log "Usage: ./upload-amazon-image.sh IMAGE_OUTPUT"
|
|
exit 1
|
|
fi
|
|
|
|
# result of the amazon-image from nixos/release.nix
|
|
store_path=$1
|
|
|
|
if [ ! -e "$store_path" ]; then
|
|
log "Store path: $store_path does not exist, fetching..."
|
|
nix-store --realise "$store_path"
|
|
fi
|
|
|
|
if [ ! -d "$store_path" ]; then
|
|
log "store_path: $store_path is not a directory. aborting"
|
|
exit 1
|
|
fi
|
|
|
|
read_image_info() {
|
|
if [ ! -e "$store_path/nix-support/image-info.json" ]; then
|
|
log "Image missing metadata"
|
|
exit 1
|
|
fi
|
|
jq -r "$1" "$store_path/nix-support/image-info.json"
|
|
}
|
|
|
|
# We handle a single image per invocation, store all attributes in
|
|
# globals for convenience.
|
|
zfs_disks=$(read_image_info .disks)
|
|
is_zfs_image=
|
|
if jq -e .boot <<< "$zfs_disks"; then
|
|
is_zfs_image=1
|
|
zfs_boot=".disks.boot"
|
|
fi
|
|
image_label="$(read_image_info .label)${is_zfs_image:+-ZFS}"
|
|
image_system=$(read_image_info .system)
|
|
image_files=( $(read_image_info ".disks.root.file") )
|
|
|
|
image_logical_bytes=$(read_image_info "${zfs_boot:-.disks.root}.logical_bytes")
|
|
|
|
if [[ -n "$is_zfs_image" ]]; then
|
|
image_files+=( $(read_image_info .disks.boot.file) )
|
|
fi
|
|
|
|
# Derived attributes
|
|
|
|
image_logical_gigabytes=$(((image_logical_bytes-1)/1024/1024/1024+1)) # Round to the next GB
|
|
|
|
case "$image_system" in
|
|
aarch64-linux)
|
|
amazon_arch=arm64
|
|
;;
|
|
x86_64-linux)
|
|
amazon_arch=x86_64
|
|
;;
|
|
*)
|
|
log "Unknown system: $image_system"
|
|
exit 1
|
|
esac
|
|
|
|
image_name="NixOS-${image_label}-${image_system}"
|
|
image_description="NixOS ${image_label} ${image_system}"
|
|
|
|
log "Image Details:"
|
|
log " Name: $image_name"
|
|
log " Description: $image_description"
|
|
log " Size (gigabytes): $image_logical_gigabytes"
|
|
log " System: $image_system"
|
|
log " Amazon Arch: $amazon_arch"
|
|
|
|
read_state() {
|
|
local state_key=$1
|
|
local type=$2
|
|
|
|
cat "$state_dir/$state_key.$type" 2>/dev/null || true
|
|
}
|
|
|
|
write_state() {
|
|
local state_key=$1
|
|
local type=$2
|
|
local val=$3
|
|
|
|
mkdir -p "$state_dir"
|
|
echo "$val" > "$state_dir/$state_key.$type"
|
|
}
|
|
|
|
wait_for_import() {
|
|
local region=$1
|
|
local task_id=$2
|
|
local state snapshot_id
|
|
log "Waiting for import task $task_id to be completed"
|
|
while true; do
|
|
read -r state message snapshot_id < <(
|
|
aws ec2 describe-import-snapshot-tasks --region "$region" --import-task-ids "$task_id" | \
|
|
jq -r '.ImportSnapshotTasks[].SnapshotTaskDetail | "\(.Status) \(.StatusMessage) \(.SnapshotId)"'
|
|
)
|
|
log " ... state=$state message=$message snapshot_id=$snapshot_id"
|
|
case "$state" in
|
|
active)
|
|
sleep 10
|
|
;;
|
|
completed)
|
|
echo "$snapshot_id"
|
|
return
|
|
;;
|
|
*)
|
|
log "Unexpected snapshot import state: '${state}'"
|
|
log "Full response: "
|
|
aws ec2 describe-import-snapshot-tasks --region "$region" --import-task-ids "$task_id" >&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
done
|
|
}
|
|
|
|
wait_for_image() {
|
|
local region=$1
|
|
local ami_id=$2
|
|
local state
|
|
log "Waiting for image $ami_id to be available"
|
|
|
|
while true; do
|
|
read -r state < <(
|
|
aws ec2 describe-images --image-ids "$ami_id" --region "$region" | \
|
|
jq -r ".Images[].State"
|
|
)
|
|
log " ... state=$state"
|
|
case "$state" in
|
|
pending)
|
|
sleep 10
|
|
;;
|
|
available)
|
|
return
|
|
;;
|
|
*)
|
|
log "Unexpected AMI state: '${state}'"
|
|
exit 1
|
|
;;
|
|
esac
|
|
done
|
|
}
|
|
|
|
|
|
make_image_public() {
|
|
local region=$1
|
|
local ami_id=$2
|
|
|
|
wait_for_image "$region" "$ami_id"
|
|
|
|
log "Making image $ami_id public"
|
|
|
|
aws ec2 modify-image-attribute \
|
|
--image-id "$ami_id" --region "$region" --launch-permission 'Add={Group=all}' >&2
|
|
}
|
|
|
|
upload_image() {
|
|
local region=$1
|
|
|
|
for image_file in "${image_files[@]}"; do
|
|
local aws_path=${image_file#/}
|
|
|
|
if [[ -n "$is_zfs_image" ]]; then
|
|
local suffix=${image_file%.*}
|
|
suffix=${suffix##*.}
|
|
fi
|
|
|
|
local state_key="$region.$image_label${suffix:+.${suffix}}.$image_system"
|
|
local task_id
|
|
task_id=$(read_state "$state_key" task_id)
|
|
local snapshot_id
|
|
snapshot_id=$(read_state "$state_key" snapshot_id)
|
|
local ami_id
|
|
ami_id=$(read_state "$state_key" ami_id)
|
|
|
|
if [ -z "$task_id" ]; then
|
|
log "Checking for image on S3"
|
|
if ! aws s3 ls --region "$region" "s3://${bucket}/${aws_path}" >&2; then
|
|
log "Image missing from aws, uploading"
|
|
aws s3 cp --region "$region" "$image_file" "s3://${bucket}/${aws_path}" >&2
|
|
fi
|
|
|
|
log "Importing image from S3 path s3://$bucket/$aws_path"
|
|
|
|
task_id=$(aws ec2 import-snapshot --role-name "$service_role_name" --disk-container "{
|
|
\"Description\": \"nixos-image-${image_label}-${image_system}\",
|
|
\"Format\": \"vhd\",
|
|
\"UserBucket\": {
|
|
\"S3Bucket\": \"$bucket\",
|
|
\"S3Key\": \"$aws_path\"
|
|
}
|
|
}" --region "$region" | jq -r '.ImportTaskId')
|
|
|
|
write_state "$state_key" task_id "$task_id"
|
|
fi
|
|
|
|
if [ -z "$snapshot_id" ]; then
|
|
snapshot_id=$(wait_for_import "$region" "$task_id")
|
|
write_state "$state_key" snapshot_id "$snapshot_id"
|
|
fi
|
|
done
|
|
|
|
if [ -z "$ami_id" ]; then
|
|
log "Registering snapshot $snapshot_id as AMI"
|
|
|
|
local block_device_mappings=(
|
|
"DeviceName=/dev/xvda,Ebs={SnapshotId=$snapshot_id,VolumeSize=$image_logical_gigabytes,DeleteOnTermination=true,VolumeType=gp3}"
|
|
)
|
|
|
|
if [[ -n "$is_zfs_image" ]]; then
|
|
local root_snapshot_id=$(read_state "$region.$image_label.root.$image_system" snapshot_id)
|
|
|
|
local root_image_logical_bytes=$(read_image_info ".disks.root.logical_bytes")
|
|
local root_image_logical_gigabytes=$(((root_image_logical_bytes-1)/1024/1024/1024+1)) # Round to the next GB
|
|
|
|
block_device_mappings+=(
|
|
"DeviceName=/dev/xvdb,Ebs={SnapshotId=$root_snapshot_id,VolumeSize=$root_image_logical_gigabytes,DeleteOnTermination=true,VolumeType=gp3}"
|
|
)
|
|
fi
|
|
|
|
|
|
local extra_flags=(
|
|
--root-device-name /dev/xvda
|
|
--sriov-net-support simple
|
|
--ena-support
|
|
--virtualization-type hvm
|
|
)
|
|
|
|
block_device_mappings+=("DeviceName=/dev/sdb,VirtualName=ephemeral0")
|
|
block_device_mappings+=("DeviceName=/dev/sdc,VirtualName=ephemeral1")
|
|
block_device_mappings+=("DeviceName=/dev/sdd,VirtualName=ephemeral2")
|
|
block_device_mappings+=("DeviceName=/dev/sde,VirtualName=ephemeral3")
|
|
|
|
ami_id=$(
|
|
aws ec2 register-image \
|
|
--name "$image_name" \
|
|
--description "$image_description" \
|
|
--region "$region" \
|
|
--architecture $amazon_arch \
|
|
--block-device-mappings "${block_device_mappings[@]}" \
|
|
--boot-mode $(read_image_info .boot_mode) \
|
|
"${extra_flags[@]}" \
|
|
| jq -r '.ImageId'
|
|
)
|
|
|
|
write_state "$state_key" ami_id "$ami_id"
|
|
fi
|
|
|
|
[[ -v PRIVATE ]] || make_image_public "$region" "$ami_id"
|
|
|
|
echo "$ami_id"
|
|
}
|
|
|
|
copy_to_region() {
|
|
local region=$1
|
|
local from_region=$2
|
|
local from_ami_id=$3
|
|
|
|
state_key="$region.$image_label.$image_system"
|
|
ami_id=$(read_state "$state_key" ami_id)
|
|
|
|
if [ -z "$ami_id" ]; then
|
|
log "Copying $from_ami_id to $region"
|
|
ami_id=$(
|
|
aws ec2 copy-image \
|
|
--region "$region" \
|
|
--source-region "$from_region" \
|
|
--source-image-id "$from_ami_id" \
|
|
--name "$image_name" \
|
|
--description "$image_description" \
|
|
| jq -r '.ImageId'
|
|
)
|
|
|
|
write_state "$state_key" ami_id "$ami_id"
|
|
fi
|
|
|
|
[[ -v PRIVATE ]] || make_image_public "$region" "$ami_id"
|
|
|
|
echo "$ami_id"
|
|
}
|
|
|
|
upload_all() {
|
|
home_image_id=$(upload_image "$home_region")
|
|
jq -n \
|
|
--arg key "$home_region.$image_system" \
|
|
--arg value "$home_image_id" \
|
|
'$ARGS.named'
|
|
|
|
for region in "${regions[@]}"; do
|
|
if [ "$region" = "$home_region" ]; then
|
|
continue
|
|
fi
|
|
copied_image_id=$(copy_to_region "$region" "$home_region" "$home_image_id")
|
|
|
|
jq -n \
|
|
--arg key "$region.$image_system" \
|
|
--arg value "$copied_image_id" \
|
|
'$ARGS.named'
|
|
done
|
|
}
|
|
|
|
upload_all | jq --slurp from_entries
|