Ephemeral nodes in Consul

consul-ephemeral-key.sh

#!/bin/bash -x

if [ -z "$1" ]; then
  echo "USAGE: $0 <session ID>"
  exit 1
fi

read -d '' data <<EOF
{
}
EOF

curl -sS --request PUT --data "${data}" "http://localhost:8500/v1/kv/my-key?acquire=$1"

consul-session.sh

#!/bin/bash -x

read -d '' data <<EOF
{
  "LockDelay": "15s",
  "Name": "my-service",
  "Checks": [],
  "Behavior": "delete",
  "TTL": "10s"
}
EOF

session_id=$(curl -sS --request PUT --data "${data}" http://localhost:8500/v1/session/create | jq .ID -r)

while true; do
  sleep 5
  curl -sS --request PUT http://localhost:8500/v1/session/renew/${session_id}
done