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Merge pull request #1333 from openziti/fablab-housekeeper
add a shell script for housekeeping fablab orphaned instances
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#!/usr/bin/env bash | ||
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set -euo pipefail | ||
BASENAME=$(basename "$0") | ||
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function describe_instances() { | ||
cd "$(mktemp -d)" | ||
local oldest=$1 | ||
for region in us-east-1 us-west-2 | ||
do | ||
local outfile="aged-fablab-instances-${region}.json" | ||
aws --region "$region" ec2 describe-instances \ | ||
--filters "Name=instance-state-name,Values=running" \ | ||
"Name=tag:source,Values=fablab" \ | ||
--query "Reservations[*].Instances[*].{InstanceId:InstanceId,LaunchTime:LaunchTime,Tags:Tags}" \ | ||
| jq -r \ | ||
--arg region "$region" \ | ||
--arg oldest "$oldest" ' | ||
[ | ||
.[] | ||
|.[] | ||
|select(.LaunchTime < $oldest) | ||
|{InstanceId: .InstanceId, Region: $region, LaunchTime: .LaunchTime, Tags: .Tags} | ||
] | ||
' \ | ||
| tee $outfile \ | ||
| jq '.|length' | xargs -ILEN echo "Described LEN aged instances in $region in $(realpath $outfile)" | ||
done | ||
} | ||
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function stop_instances(){ | ||
local stopfile onecount region instanceid | ||
stopfile=$1 | ||
onecount=$(jq '.|length' "$stopfile") | ||
for i in $(seq 0 $((onecount-1))) | ||
do | ||
region=$(jq -r ".[$i].Region" "$stopfile") | ||
instanceid=$(jq -r ".[$i].InstanceId" "$stopfile") | ||
echo "Stopping $instanceid in $region" | ||
aws --region "$region" ec2 stop-instances --instance-ids "$instanceid" | ||
done | ||
} | ||
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function terminate_instances(){ | ||
local stopfile onecount region instanceid | ||
stopfile=$1 | ||
onecount=$(jq '.|length' "$stopfile") | ||
for i in $(seq 0 $((onecount-1))) | ||
do | ||
region=$(jq -r ".[$i].Region" "$stopfile") | ||
instanceid=$(jq -r ".[$i].InstanceId" "$stopfile") | ||
echo "Terminating $instanceid in $region" | ||
aws --region "$region" ec2 terminate-instances --instance-ids "$instanceid" | ||
done | ||
} | ||
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check_json_file(){ | ||
local JSONFILE=$1 | ||
if [[ -f "$JSONFILE" ]] | ||
then | ||
jq -e . "$JSONFILE" >/dev/null | ||
else | ||
echo "Usage: $BASENAME stop|terminate FILE" | ||
return 1 | ||
fi | ||
} | ||
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case "${1:-}" in | ||
--help|-h) | ||
echo "Usage: $BASENAME [--oldest ISO8601|stop FILE|terminate FILE]" | ||
exit 0 | ||
;; | ||
stop) | ||
check_json_file "${2:-}" | ||
stop_instances "${2:-}" | ||
exit | ||
;; | ||
terminate) | ||
check_json_file "${2:-}" | ||
terminate_instances "${2:-}" | ||
exit | ||
;; | ||
--oldest) | ||
OLDEST="${2:-}" | ||
if ! [[ "$OLDEST" =~ ^[0-9]{4}-[0-9]{2}-[0-9]{2} ]]; | ||
then | ||
echo "Usage: $BASENAME --oldest ISO8601 (e.g. 2024-01-01 or 2024-01-01T12:00:00Z)" | ||
exit 1 | ||
fi | ||
shift 2 | ||
;; | ||
esac | ||
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describe_instances "${OLDEST:-$(date -d '-2 days' -Id)}" |