mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-11-14 03:55:19 +00:00
28 lines
1.4 KiB
Bash
28 lines
1.4 KiB
Bash
|
#!/bin/bash
|
||
|
|
set -x
|
||
|
|
|
||
|
|
# get all the node's ec2 instance ids for the specified chain id
|
||
|
|
chain_node_instance_ids=$(aws ec2 describe-instances --filters "Name=tag:KavaChainId,Values=$CHAIN_ID" | jq -r '[.Reservations | .[] | .Instances | .[] | .InstanceId] | join(" ")')
|
||
|
|
|
||
|
|
for chain_node_instance_id in ${chain_node_instance_ids}
|
||
|
|
do
|
||
|
|
autoscaling_group_state=$(aws autoscaling describe-auto-scaling-instances --instance-ids "$chain_node_instance_id" | jq -r '[.AutoScalingInstances | .[].LifecycleState] | join(" ")')
|
||
|
|
# Possible states: https://docs.aws.amazon.com/autoscaling/ec2/userguide/ec2-auto-scaling-lifecycle.html
|
||
|
|
case "$autoscaling_group_state" in
|
||
|
|
InService)
|
||
|
|
# place the nodes on standby so they won't get terminated
|
||
|
|
# by the autoscaling group during the time
|
||
|
|
# they are offline for a deploy / upgrade
|
||
|
|
autoscaling_group_name=$(aws autoscaling describe-auto-scaling-instances --instance-ids "$chain_node_instance_id" | jq -r '[.AutoScalingInstances | .[].AutoScalingGroupName] | join(" ")')
|
||
|
|
|
||
|
|
aws autoscaling enter-standby \
|
||
|
|
--instance-ids "$chain_node_instance_id" \
|
||
|
|
--auto-scaling-group-name "$autoscaling_group_name" \
|
||
|
|
--should-decrement-desired-capacity
|
||
|
|
;;
|
||
|
|
*)
|
||
|
|
echo "instance ($chain_node_instance_id) not in an elgible state ($autoscaling_group_state) for going on standby, skipping"
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
done
|