kubespaere 定时任务备份etcd

backup-etcd.sh 
#!/bin/bash

ETCDCTL_PATH='/usr/bin/etcdctl'
ENDPOINTS='https://192.168.21.196:2379'
ETCD_DATA_DIR="/var/lib/etcd"
BACKUP_DIR="/backups/etcd/etcd-$(date +%Y-%m-%d-%H-%M-%S)"

KEEPBACKUPNUMBER='5'
ETCDBACKUPPERIOD='30'
ETCDBACKUPSCIPT='/usr/local/bin/kube-scripts'
ETCDBACKUPHOUR=''

ETCDCTL_CERT="/etc/kubernetes/pki/etcd/server.crt"
ETCDCTL_KEY="/etc/kubernetes/pki/etcd/server.key"
ETCDCTL_CA_FILE="/etc/kubernetes/pki/etcd/ca.crt"

[ ! -d $BACKUP_DIR ] && mkdir -p $BACKUP_DIR

export ETCDCTL_API=2;$ETCDCTL_PATH backup --data-dir $ETCD_DATA_DIR --backup-dir $BACKUP_DIR

sleep 3

{
export ETCDCTL_API=3;$ETCDCTL_PATH --endpoints="$ENDPOINTS" snapshot save $BACKUP_DIR/snapshot.db \
                                   --cacert="$ETCDCTL_CA_FILE" \
                                   --cert="$ETCDCTL_CERT" \
                                   --key="$ETCDCTL_KEY"
} > /dev/null 

find /backups/etcd -maxdepth 1 -mtime +7 |xargs -i rm -fr {}