toolkit/sync/import-snapshot-publish-aws.sh
2022-11-22 08:58:01 -05:00

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#!/usr/bin/env bash
VERSION="$1"
EPOCH=${EPOCH:-0}
RLVER=$VERSION
# Source common variables
# shellcheck disable=SC2046,1091,1090
source "$(dirname "${BASH_SOURCE[0]}")/common"
usage() {
echo "usage: $0 VERSION ($0 8.7)"
}
aws() {
command aws --region us-east-1 --profile resf-ami --output text $@
}
DATE=$(date +%Y%m%d)
if [[ -z $VERSION ]]; then
usage
exit 1
fi
download() {
curl -o "$qcow" "https://dl.rockylinux.org/stg/rocky/$VERSION/images/$arch/$qcow"
return $?
}
exists() {
aws s3 ls $2/$1 &>/dev/null
return $?
}
upload() {
if exists $raw $BUCKET/$DATE; then
echo "Found existing upload in $BUCKET"
return 0
fi
aws s3 cp $raw $BUCKET/$DATE/
}
convert() {
qemu-img convert -f qcow2 -O raw "$qcow" $raw
return $?
}
BUCKET="s3://resf-prod-import-use1"
write-container-file() {
printf '{"Description": "%s", "Format": "raw", "Url": "%s/%s"}\n' $name "$BUCKET/$DATE" $raw > $json
}
download-convert-upload() {
if ! [[ -f $qcow ]]; then
echo "Downloading $qcow from cdn"
download || exit
fi
if ! [[ -f ${raw} ]]; then
echo "Converting qcow2 $qcow to RAW $raw"
convert || exit
fi
echo "Uploading raw image back to s3"
if ! upload; then
echo "Failed to upload"
exit
fi
}
begin-job() {
import_task_id="$(aws ec2 import-snapshot --disk-container "file://$PWD/$json" --query 'ImportTaskId')"
if [[ -z $import_task_id ]]; then
echo "Failed to import $json"
return 1
fi
echo $import_task_id
return 0
}
is-snapshot-imported() {
snapshot_id=$(aws ec2 describe-import-snapshot-tasks --query 'ImportSnapshotTasks[].SnapshotTaskDetail.SnapshotId[]' --import-task-ids $1)
if [[ -z "$snapshot_id" ]]; then
return 1
fi
return 0
}
register-image() {
# Given a snapshot id, register the image
name=$1
snapshot_id=$2
case $(awk -F'.' '{print $NF}'<<<"$name") in
x86_64)
arch=x86_64;;
aarch64)
arch=arm64;;
esac
ami_id=$(aws --query "ImageId" ec2 register-image --name "$name" --description "$name" --block-device-mappings DeviceName="/dev/sda1",Ebs={SnapshotId="$snapshot_id"} --root-device-name "/dev/sda1" --virtualization-type hvm --architecture $arch --ena-support)
if [[ -z "$ami_id" ]]; then
return 1
fi
return 0
}
tag-resources() {
local resources="$1"
local tags="$2"
if [[ -z $resources || -z $tags ]]; then
echo "Need to provide tags and resources to tag"
return 1
fi
aws ec2 create-tags --resources $resources --tags $tags
}
image-exists() {
local RESF_AMI_ACCOUNT_ID=792107900819
local query="$(printf 'Images[?Name==`%s`].[ImageId,Name][]' "${1}")"
mapfile -t res < <(aws ec2 describe-images --owners $RESF_AMI_ACCOUNT_ID --query "${query}" 2>/dev/null)
res=($res)
if [[ ${#res[@]} -eq 0 ]]; then
# Skip empty results
return 1 #not found
fi
id=${res[0]//\"}
name=${res[@]/$id}
found_image_id=$id
return 0 # found
}
snapshot-exists() {
local RESF_AMI_ACCOUNT_ID=792107900819
local filter="$(printf 'Name=tag:Name,Values=%s' "${1}")"
local query='Snapshots[].[SnapshotId][]'
mapfile -t res < <(aws ec2 describe-snapshots --owner-ids $RESF_AMI_ACCOUNT_ID --filter "${filter}" --query "${query}" 2>/dev/null)
res=($res)
if [[ ${#res[@]} -eq 0 ]]; then
# Skip empty results
return 1 #not found
fi
id=${res[0]//\"}
found_snapshot_id=$id
return 0 # found
}
declare -A import_jobs
declare -A snapshot_ids
declare -A ami_ids
TARGET_ARCHES=(x86_64 aarch64)
TARGET_VARIANTS=(Base LVM)
for variant in "${TARGET_VARIANTS[@]}"; do
for arch in "${TARGET_ARCHES[@]}"; do
latest=$(printf "Rocky-%s-EC2-%s.latest.%s" "$VERSION" $variant $arch)
name=$(printf "Rocky-%s-EC2-%s-%s-%s.%s.%s" "$VERSION" $variant $REVISION $DATE $EPOCH $arch)
qcow=${latest}.qcow2
raw=${name}.raw
json=${name}.json
if image-exists $name; then
echo "Found existing AMI in us-east-1. Skipping. ($found_image_id,$name)"
continue
fi
if snapshot-exists $name; then
# If the snapshot exists, we can skip the import task and just do the image registration
echo "Found existing snapshot: ($found_snapshot_id,$name)"
snapshot_ids[$name]="${found_snapshot_id}"
continue
fi
# Download latest artifacts from CDN, convert from qcow2 to raw, and upload to the proper bucket
echo "Downloading/converting artifacts for $name"
download-convert-upload
echo "Writing disk container json file"
write-container-file
jobid=$(begin-job)
echo "Beginning snapshot import task with id $jobid"
import_jobs[$name]=$jobid
done
done
# wait for all import jobs to complete, then tag the resultant images
finished=false
while ! $finished; do
for name in "${!import_jobs[@]}"; do
import_task_id="${import_jobs[${name}]}"
if ! is-snapshot-imported $import_task_id; then
echo "Snapshot for $import_task_id ($name) is not yet finished"
continue
fi
# await finalization
sleep 2
if [[ -z $snapshot_id ]]; then
echo "Snapshot ID is null.. exiting"
exit 2
fi
echo "Tagging snapshot with name"
tag-resources $snapshot_id "Key=Name,Value=$name"
unset import_jobs[${name}]
snapshot_ids[${name}]=$snapshot_id
done
# Check if we're done, if so, great!
if [[ ${#import_jobs[@]} -gt 0 ]]; then
echo "Sleeping for 1m"
sleep 1m
continue
else
finished=true
break
fi
done
finished=false
while ! $finished; do
for name in "${!snapshot_ids[@]}"; do
# If the snapshot is imported, turn it into an AMI
snapshot_id="${snapshot_ids[${name}]}"
echo "Creating AMI from snapshot $snapshot_id ($name)"
if ! register-image $name $snapshot_id; then
echo "ERROR: Failed to create image for $name with snapshot id $snapshot_id"
continue
fi
echo "Tagging AMI - Name=$name"
tag-resources $ami_id "Key=Name,Value=$name"
if [[ -z $ami_id ]]; then
echo "AMI ID is null. continuing...";
continue
fi
unset snapshot_ids[${name}]
ami_ids[$name]=$ami_id
done
if [[ ${#snapshot_ids[@]} -gt 0 ]]; then
sleep 1m
continue
else
finished=true
break
fi
done
res=""
for name in "${!ami_ids[@]}"; do
ami_id="${ami_ids[${name}]}"
res="${res}\n$(printf '%s\t%s\n' $name $ami_id)"
done
printf "$res\n"