etcd 的Unit配置模板有错误

[mingshi]

`
[Service]
Type=notify
WorkingDirectory=${ETCD_DATA_DIR}
ExecStart=/opt/k8s/bin/etcd \
--data-dir=${ETCD_DATA_DIR} \
--wal-dir=${ETCD_WAL_DIR} \
--name=##NODE_NAME## \
--cert-file=/etc/etcd/cert/etcd.pem \
--key-file=/etc/etcd/cert/etcd-key.pem \
--trusted-ca-file=/etc/kubernetes/cert/ca.pem \
--peer-cert-file=/etc/etcd/cert/etcd.pem \
--peer-key-file=/etc/etcd/cert/etcd-key.pem \
--peer-trusted-ca-file=/etc/kubernetes/cert/ca.pem \
--peer-client-cert-auth \
--client-cert-auth \
--listen-peer-urls=https://##NODE_IP##:2380 \
--initial-advertise-peer-urls=https://##NODE_IP##:2380 \
--listen-client-urls=https://##NODE_IP##:2379,http://127.0.0.1:2379 \
--advertise-client-urls=https://##NODE_IP##:2379 \
--initial-cluster-token=etcd-cluster-0 \
--initial-cluster=${ETCD_NODES} \
--initial-cluster-state=new \
--auto-compaction-mode=periodic \
--auto-compaction-retention=1 \
--max-request-bytes=33554432 \
--quota-backend-bytes=6442450944 \
--heartbeat-interval=250 \
--election-timeout=2000
Restart=on-failure
RestartSec=5
LimitNOFILE=65536

`

这个配置文件行尾是双斜杠“\”，这个会导致在某些系统上启动的时候，报错“Unknown lvalue '--data-dir' in section 'Service'”，类似这种错误。
将双斜杠改成单斜杠之后，可以正常启动