Add script to propagate images

This commit is contained in:
Neil Hanlon 2022-05-22 16:06:31 -04:00
parent 420aa02bdb
commit 56ae6fc4dc
Signed by: neil
GPG Key ID: 705BC21EC3C70F34

120
sync/propagate-image.sh Normal file
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#!/bin/bash
source_ami="$1"
source_region="$2"
if [[ -z $source_ami || -z $source_region ]]; then
echo "usage: $0 source_ami source_region"
exit 2
fi
RESF_AMI_ACCOUNT_ID=792107900819
REGIONS=$(aws --profile resf-ami ec2 describe-regions \
--all-regions \
--query "Regions[].{Name:RegionName}" \
--output text | grep -vE "$source_region")
SOURCE_AMI_NAME=$(aws --profile resf-ami ec2 describe-images \
--region "$source_region" --image-ids "$source_ami" --query 'Images[0].Name'\
--output text )
# Enforce a name structure
# Rocky-8-ec2-8.6-20220515.0.x86_64
if [[ ! "${SOURCE_AMI_NAME}" =~ Rocky-[89]-ec2-[89]\.[0-9]-[0-9]+\.[0-9]+\.((aarch|x86_)64|ppc64le|s390x) ]]; then
echo "Bad source ami (${SOURCE_AMI_NAME}). Exiting."
exit 1
fi
function copy(){
for region in $REGIONS; do
echo -n "Creating copy job for $region..."
ami_id=$(aws --profile resf-ami ec2 copy-image \
--region $region \
--name "${SOURCE_AMI_NAME}" \
--source-image-id "${source_ami}" \
--source-region "${source_region}" \
--output text 2>&1)
if [[ $? -eq 0 ]]; then
unset ami_ids[$region]
echo ". $ami_id"
if [[ ! -z "$ami_id" ]]; then
ami_ids[$region]="$ami_id"
fi
continue
fi
echo ".an error occurred (likely region is not signed up). Skipping."
done
}
function change_privacy(){
local status="$1"
local launch_permission
case $status in
Private)
launch_permission="Remove=[{Group=all}]"
;;
Public)
launch_permission="Add=[{Group=all}]"
;;
esac
local finished=false
while ! $finished; do
for region in "${!ami_ids[@]}"; do
echo -n "Making ${ami_ids[$region]} in $region $status..."
aws --profile resf-ami ec2 modify-image-attribute \
--region $region \
--image-id "${ami_ids[$region]}" \
--launch-permission "${launch_permission}"
if [[ $? -eq 0 ]]; then
unset ami_ids[$region]
echo ". Done"
continue
fi
echo ". Still pending"
done
if [[ ${#ami_ids[@]} -gt 0 ]]; then
echo -n "Sleeping for one minute... "
for (( i=0; i<60; i++ )); do
if [[ $((i%10)) -eq 0 ]]; then
echo -n "$i"
else
echo -n "."
fi
sleep 1
done
echo ""
else
finished=true
break
fi
done
echo "Completed!"
}
function find_image_by_name(){
# ami_ids[region]=ami_id
for region in $REGIONS; do
expected_name="Copy of ${source_ami} from ${source_region}"
# ami-id "name"
local query="$(printf 'Images[?Name==`%s`]|[?Public==`true`].[ImageId,Name][]' "${expected_name}")"
mapfile -t res < <(
aws --profile resf-ami ec2 describe-images --region $region --owners $RESF_AMI_ACCOUNT_ID \
--query "${query}" 2>/dev/null \
| jq -r '.|@sh'# | tr "'" '"'
)
res=($res)
if [[ ${#res[@]} -eq 0 ]]; then
# Skip empty results
continue
fi
id=${res[0]//\"}
name=${res[@]/$id}
printf "Found public image: %s in %s with name '%s'\n" "$id" "$region" "${name//\"}"
ami_ids[$region]=$id
done
}
declare -A ami_ids
copy
change_privacy Public # uses ami_ids