clickhouse备份命令的身份验证

Question

我有一个运行的clickhouse实例，其中我已经安装了clickhouse-备份。我已经连接到它，并且没有遇到像这样的自定义用户运行clickhouse客户机的问题：

clickhouse-client -u fred --password 12345

但是当我做clickhouse-backup tables的时候

can't connect to clickhouse: code: 516, message: default: Authentication failed: password is incorrect or there is no user with such name. 

如何将命令clickhouse-backup tables作为自定义用户“fred”运行？

Answer 1

它需要在config.yml文件中定义这些凭据：

..
clickhouse:
  username: fred              # CLICKHOUSE_USERNAME
  password: 12345             # CLICKHOUSE_PASSWORD
..

默认情况下，配置文件位于/etc/clickhouse-backup/config.yml。

若要定义自定义位置，请在-配置 param中传递它。

作为替代方式，所需的参数可以通过环境变量传递。考虑将运行clickhouse备份作为停靠容器：

# generate a backup plan

sudo docker run --rm -it --network host -v "/var/lib/clickhouse:/var/lib/clickhouse" \
    -e CLICKHOUSE_FREEZE_BY_PART=true \
    -e CLICKHOUSE_USERNAME=user \
    -e CLICKHOUSE_PASSWORD=passw \
    \
    alexakulov/clickhouse-backup:latest create --tables="db.table1_local" "table1 [shard-01]"


# start a backup process

sudo docker run --rm -it --network host -v "/var/lib/clickhouse:/var/lib/clickhouse" \
    -e CLICKHOUSE_USERNAME=user \
    -e CLICKHOUSE_PASSWORD=passw \
    -e REMOTE_STORAGE=gcs \
    -e GCS_BUCKET=gcs-clickhouse-backup-bucket \
    -e GCS_CREDENTIALS_JSON='_credentials_json_' \
    \
    alexakulov/clickhouse-backup:latest upload "table1 [shard-01]"


# remove the local copy of backup

sudo docker run --rm -it --network host -v "/var/lib/clickhouse:/var/lib/clickhouse" \
    \
    alexakulov/clickhouse-backup:latest delete local "table1 [shard-01]"