etcd2 data restore script

etcd2-restore.sh

#!/usr/bin/bash

: ${1?"etcd2 protocol has not been set. Specify http or https as first argument."}
: ${2?"etcd2 data dir has not been set. Specify as second argument."}

source /etc/environment

sudo systemctl stop etcd2.service
sudo rm -rf ${2}/member

if [[ -d /tmp/etcd2 ]]; then
  sudo find /tmp/etcd2 -exec chown etcd:etcd '{}' \;
  sudo su - etcd -s /bin/bash -c 'etcd2 --force-new-cluster --data-dir=/tmp/etcd2 2> /dev/null &'

  sleep 5
  sudo kill $(pidof etcd2)
else
  echo 'Cannot find backup dir /tmp/etcd2'
  exit 1
fi

sudo su - etcd -s /bin/bash -c 'cp -r /tmp/etcd2 ${2}'
sudo systemctl start etcd2.service

sleep 3
curl -s -XPUT -H "Content-Type: application/json" \
  ${1}://${COREOS_PRIVATE_IPV4}:2379/v2/members/$(curl -s ${1}://${COREOS_PRIVATE_IPV4}:2379/v2/members | jq -r .members[0].id) \
  -d "{\"peerURLs\":[\"${1}://${COREOS_PRIVATE_IPV4}:2380\"]}"


# sudo sed 's/=new/=existing/' -i /run/systemd/system/etcd2.service.d/20-cloudinit.conf && sudo systemctl daemon-reload
# sudo sed 's|ETCD_INITIAL_CLUSTER=.*|ETCD_INITIAL_CLUSTER="node0=https://10.50.10.200:2380,node2=https://10.50.11.200:2380,node1=https://10.50.10.201:2380"|' -i /run/systemd/system/etcd2.service.d/20-cloudinit.conf

# sudo systemctl stop etcd2.service; sudo rm -rf /data/etcd2/member